CN216780348U - Rotary supporting mechanism for lathe - Google Patents

Abstract

The utility model provides a rotary supporting mechanism for a lathe, which comprises: the device comprises a base, a first supporting seat, a supporting plate, a first supporting rod, a first bearing, a fixing plate, a first threaded hole, a screw rod, a second supporting seat, a second supporting rod and a second bearing; the base is connected with a machine tool; the first supporting seat is connected with the base in a sliding manner; the supporting plate is connected with the first supporting seat; two ends of the first supporting rod are respectively connected with the four supporting plates; the two first bearings are respectively sleeved on the outer sides of the two first supporting rods; the fixed plate is connected with the base; the two first threaded holes respectively penetrate through the two fixing plates; the screw rods are respectively connected with the two first supporting seats; the second supporting seat is connected with the base at the same time; the two second supporting rods are parallel to the workpiece and are respectively connected with the two second supporting seats; the two second bearings are respectively sleeved on the outer sides of the two second supporting rods, and the two second bearings are simultaneously attached to the workpiece.

Description

Rotary supporting mechanism for lathe

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a rotary supporting mechanism for a lathe.

Background

At present, in the related art, when an existing lathe clamps a workpiece, only two ends of the workpiece are clamped, and no support is arranged in the middle of the workpiece, so that the workpiece is inconvenient to mount quickly, the workpiece is stressed intensively, and the workpiece is easy to deform.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

Therefore, the utility model provides a rotary supporting mechanism for a lathe.

In view of the above, the present invention provides a rotation support mechanism for a lathe, including: the device comprises a base, a first supporting seat, a supporting plate, a first supporting rod, a first bearing, a fixing plate, a first threaded hole, a screw rod, a second supporting seat, a second supporting rod and a second bearing; the base is connected with a machine tool; the two first supporting seats are respectively positioned on two sides of the workpiece and are in sliding connection with the base; the supporting plates are vertical to the first supporting seats, and the four supporting plates are respectively connected with the two first supporting seats; two ends of the two first supporting rods are respectively connected with the four supporting plates; the two first bearings are respectively sleeved on the outer sides of the two first supporting rods and are simultaneously attached to the workpiece; the fixed plates are perpendicular to the base, the two fixed plates are respectively positioned on one sides of the two first supporting seats far away from the workpiece, and the two fixed plates are simultaneously connected with the base; the inner wall of the first threaded hole is provided with first internal threads, and the two first threaded holes respectively penetrate through the two fixing plates; the outer wall of each screw rod is provided with a first external thread, and after one end of each screw rod penetrates through each of the two first threaded holes, the two screw rods are connected with the two first supporting seats respectively; the two second supporting seats are respectively arranged on two sides of the workpiece, and the two second supporting seats are simultaneously connected with the base; the two second supporting rods are parallel to the workpiece and are respectively connected with the two second supporting seats; the two second bearings are respectively sleeved on the outer sides of the two second supporting rods, and the two second bearings are simultaneously attached to the workpiece.

In the technical scheme, firstly, the base is connected with the machine tool so as to realize the fixing effect of the machine tool on the base and improve the stability of the base; secondly, the two first supporting seats are respectively positioned at two sides of the workpiece and are in sliding connection with the base, so that the first supporting seats are supported by the base, can slide relative to the base and are movably supported by the base; thirdly, the supporting plates are arranged perpendicular to the first supporting seats, and the four supporting plates are respectively connected with the two first supporting seats, so that the supporting effect of the first supporting seats on the supporting plates is realized, the stability of the supporting plates is improved, and the supporting plates and the first supporting seats move synchronously; thirdly, two ends of the two first supporting rods are respectively connected with the four supporting plates, so that the supporting effect of the supporting plates on the first supporting rods is realized, and the stability of the first supporting rods is improved; thirdly, the two first bearings are respectively sleeved on the outer sides of the two first supporting rods and are simultaneously attached to the workpiece, so that the first bearings can rotatably support the workpiece, interference with the workpiece during supporting is avoided, and the workpiece can stably rotate; thirdly, the fixing plates are arranged perpendicular to the base, the two fixing plates are respectively positioned on one sides, away from the workpiece, of the two first supporting seats, and the two fixing plates are simultaneously connected with the base, so that the supporting effect of the base on the fixing plates is realized, and the stability of the fixing plates is improved; thirdly, first internal threads are formed in the inner wall of the first threaded hole, first external threads are formed in the outer wall of the lead screw, the two first threaded holes respectively penetrate through the two fixing plates, the two lead screws are respectively connected with the two first supporting seats after penetrating through the two first threaded holes, and the length of the lead screw extending out of the fixing plate is changed by rotating the lead screw, so that the technical effect that the lead screw drives the first supporting seats to slide relative to the base is achieved, supporting effects on workpieces with different diameters are achieved, and the applicability of products is improved; thirdly, the two second supporting seats are respectively arranged on two sides of the workpiece, and the two second supporting seats are simultaneously connected with the base, so that the supporting effect of the base on the second supporting seats is realized, and the stability of the second supporting seats is improved; thirdly, the two second supporting rods are arranged in parallel to the workpiece and are respectively connected with the two second supporting seats, so that the supporting effect of the second supporting seats on the second supporting rods is realized, and the stability of the second supporting rods is improved; and thirdly, the two second bearings are respectively sleeved on the outer sides of the two second supporting rods and are simultaneously attached to the workpiece, so that the supporting effect of the second supporting rods on the second bearings is realized, the rotating supporting effect of the second bearings on the workpiece is realized, the friction force generated when the workpiece rotates is reduced, and the workpiece can stably rotate. By adopting the structure, the two first supporting seats are arranged at two sides of the workpiece, the supporting plates are perpendicular to the first supporting seats and are connected with the first supporting seats, two ends of the two first supporting rods are respectively connected with the four supporting plates, and then the two first bearings are sleeved at the outer sides of the two first supporting rods, so that the rotating supporting effect on the workpiece is realized, the stability of the workpiece is improved, the workpiece is not interfered when rotating relative to the first supporting rods, the friction force generated when the workpiece rotates is reduced, and the machine tool drives the workpiece to rotate stably; the first support seat is connected with the base in a sliding mode, so that the support effect of the base on the first support seat is achieved, the stability of the first support seat is improved, meanwhile, the lead screw is rotated to change the extending length of the lead screw on the fixing plate, the first support seat is driven to slide, the position of the first bearing relative to a workpiece is adjusted, the support effect on workpieces of different sizes is achieved, and the applicability of products is improved; the two second supporting seats are arranged on the base, the two second supporting rods are respectively connected with the two second supporting seats, and the two second bearings are respectively sleeved on the outer sides of the two second supporting rods so as to realize the rotating supporting effect on the workpiece, so that the workpiece rotates relative to the second supporting rods without being interfered, and the workpiece is ensured not to generate friction with the first bearing and the second bearing when rotating; moreover, the first bearing, the second bearing and the workpiece are in point contact to support the cylindrical workpiece at two points, so that the workpiece in a certain size is provided with four points which are respectively attached to the two first bearings and the second bearing, the cylindrical workpiece can be supported by adapting to the diameter change of the workpiece on the premise of not adjusting the position of the first supporting seat, the workpiece can be supported when the workpiece is installed, the workpiece can be conveniently and quickly installed, and the installation difficulty is reduced; but also can avoid the stress concentration when the workpiece is processed, reduce the deformation generated when the workpiece is processed and ensure that the product has certain adaptability.

In addition, the rotary support mechanism for a lathe in the above technical solution provided by the present invention may further have the following additional technical features:

in the above technical solution, preferably, the turning support mechanism for a lathe further includes: a first contact portion and a second contact portion; the first contact part is an elastic body, the first contact part is sleeved on the outer wall of the first bearing, and the first contact part is attached to the workpiece; the second contact part is an elastic body, the second contact part is sleeved on the outer wall of the second bearing, and the second contact part is attached to the workpiece.

In this technical scheme, set up first contact site and second contact site as the elastomer, first contact site suit is on the outer wall of first bearing, the second contact site suit is on the outer wall of second bearing, and first contact site and second contact site laminate mutually with the work piece, elastic deformation through first contact site and second contact site is in order to realize increasing the frictional force between first bearing and second bearing and the work piece, thereby avoid and produce sliding friction between the work piece, lead to the work piece wearing and tearing, avoid contacting with the work piece is hard simultaneously, make the problem production of work piece wearing and tearing, ensure that the work piece is not damaged.

In the above technical solution, preferably, the turning support mechanism for a lathe further includes: a chute and a slide block; the two sliding chutes are perpendicular to the axial direction of the workpiece and are arranged on the surface of the base, and the sliding chutes are sunken towards the direction away from the workpiece; eight sliders set up respectively on the bottom surface of two first supporting seats, and eight sliders imbed respectively in two spouts.

In this technical scheme, the axial setting of two spout perpendicular to work pieces is on the surface of base, and the spout is sunken to the direction of keeping away from the work piece, through setting up eight sliders respectively on the bottom surface of two first supporting seats, and in eight sliders imbedded two spouts respectively, in order to realize the guide effect of spout to the slider, thereby make first supporting seat slide along the spout direction, realize changing the position of first bearing, thereby realize the technological effect of adjustment work piece height, in order to realize different diameter work pieces, can both carry out the rotation support's purpose.

In the above technical solution, preferably, the turning support mechanism for a lathe further includes: the limiting frame, the strip hole, the adjusting rod, the second external thread and the first nut; the two limiting frames are respectively connected with the two second supporting seats; the two strip holes respectively penetrate through the two second supporting seats, and the two second supporting rods are respectively connected with the two second supporting seats after penetrating through the two strip holes; after the two adjusting rods respectively penetrate through the two limiting frames, the two adjusting rods are respectively connected with the two second supporting rods; the second external thread is arranged on the outer wall of the adjusting rod; the inner wall of the first nut is provided with a second internal thread, the four first nuts are respectively sleeved on the outer sides of the two adjusting rods, and the four first nuts are respectively attached to the two limiting frames.

In the technical scheme, firstly, the two limiting frames are respectively connected with the two second supporting seats, so that the supporting effect of the second supporting seats on the limiting frames is realized, and the stability of the limiting frames is improved; secondly, the two support rods respectively penetrate through the two strip holes and then are respectively connected with the two second support seats, so that the technical effect that the second support rods can move in the strip holes is achieved, and the position of a second bearing is adjusted; thirdly, after the two adjusting rods respectively penetrate through the two limiting frames, the two adjusting rods are respectively connected with the two second supporting rods, so that the technical effect that the adjusting rods drive the second supporting rods to move in the strip holes, and the second bearing is driven to move towards two sides is achieved; and thirdly, the inner wall of the first nut is provided with a second internal thread, the first nut is sleeved on the outer side of the adjusting rod to realize screwing the first nut to enable the first nut to be attached to the limiting frame, so that limiting and fixing effects on the adjusting rod are realized, and the stability of the adjusting rod is improved.

Specifically, during installation, the adjusting rod penetrates through the limiting frame, one first nut is sleeved on the outer side of adjustment, the second supporting rod penetrates through the adjusting rod, the other first nut is sleeved on the outer side of the adjusting rod, and the position of the adjusting rod is fixed.

In the above technical solution, preferably, the turning support mechanism for a lathe further includes: a third external thread and a second nut; the third external thread is arranged on the outer wall of the second supporting rod; the inner wall of the second nut is provided with a third internal thread, the four second nuts are respectively sleeved on the outer sides of the two second supporting rods, and the four second nuts are respectively attached to the two sides of the two second supporting seats.

In this technical scheme, the third external screw thread sets up on the outer wall of second bracing piece, and the inner wall of second nut is provided with the third internal thread, through with four second nuts suit respectively in the outside of two second bracing pieces to the realization is twisted the second nut soon and is made its laminating mutually with the both sides of second supporting seat, thereby realizes spacing and the fixed action to the second bracing piece, avoids the second bracing piece to drop from the second supporting seat, causes the product to damage.

In the above technical solution, preferably, the turning support mechanism for a lathe further includes: the limiting groove, the second threaded hole and the screw are arranged on the first threaded hole; the limiting groove is arranged on the side wall of the screw rod along the circumferential direction of the screw rod; the inner wall of the second threaded hole is provided with a fourth external thread, and the second threaded hole is arranged on the first supporting seat; the outer wall of screw is provided with fourth external screw thread, and after the screw passed the second screw hole, the screw embedding spacing inslot.

In this technical scheme, the spacing groove sets up on the lateral wall of lead screw along the circumference of lead screw, the inner wall of second screw hole is provided with the fourth external screw thread, the second screw hole sets up on first supporting seat, the outer wall of screw is provided with the fourth external screw thread, through passing the screw behind the second screw hole, screw embedding spacing inslot, in order to realize the limiting displacement to the lead screw, promote the stability of lead screw, it is stable to make lead screw and first supporting seat be connected, thereby realize that the lead screw can drive first supporting seat for the gliding technological effect of base.

In the above technical solution, preferably, the rotation support supporting mechanism for a lathe further includes: a handle; the two handles are respectively connected with the two screw rods.

In this technical scheme, through being connected the handle with the lead screw to realize holding the technical effect that the handle rotated the lead screw, be convenient for operate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view showing a rotary support mechanism for a lathe according to an embodiment of the present invention;

FIG. 2 shows a side view of a rotary support mechanism for a lathe according to another embodiment of the present invention;

FIG. 3 shows a side view of a rotary support mechanism for a lathe according to yet another embodiment of the present invention;

wherein, the correspondence between the reference numbers and the part names of fig. 1 to 3 is:

the support structure comprises a base 10, a first support seat 12, a support plate 14, a first support rod 16, a first bearing 18, a fixing plate 20, a lead screw 24, a second support seat 26, a second support rod 28, a second bearing 30, a first contact part 32, a second contact part 34, a sliding block 38, a limiting frame 40, a long hole 42, an adjusting rod 44, a first nut 46, a second nut 48 and a handle 54.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A rotary support mechanism for a lathe according to some embodiments of the present invention will be described below with reference to fig. 1 to 3.

In an embodiment of the present invention, as shown in fig. 1 to 3, the present invention provides a rotation support mechanism for a lathe, including: the device comprises a base 10, a first supporting seat 12, a supporting plate 14, a first supporting rod 16, a first bearing 18, a fixing plate 20, a first threaded hole, a lead screw 24, a second supporting seat 26, a second supporting rod 28 and a second bearing 30; the base 10 is connected with a machine tool; the two first supporting seats 12 are respectively positioned at two sides of the workpiece, and the two first supporting seats 12 are connected with the base 10 in a sliding manner; the supporting plates 14 are perpendicular to the first supporting seats 12, and the four supporting plates 14 are respectively connected with the two first supporting seats 12; two ends of the two first supporting rods 16 are respectively connected with the four supporting plates 14; the two first bearings 18 are respectively sleeved on the outer sides of the two first supporting rods 16, and the two first bearings 18 are simultaneously attached to the workpiece; the fixing plates 20 are perpendicular to the base 10, the two fixing plates 20 are respectively located at one side of the two first supporting seats 12 away from the workpiece, and the two fixing plates 20 are simultaneously connected with the base 10; the inner wall of the first threaded hole is provided with a first internal thread, and the two first threaded holes respectively penetrate through the two fixing plates 20; the outer wall of the screw rods 24 is provided with first external threads, and after one ends of the two screw rods 24 respectively penetrate through the two first threaded holes, the two screw rods 24 are respectively connected with the two first supporting seats 12; the two second supporting seats 26 are respectively arranged at two sides of the workpiece, and the two second supporting seats 26 are simultaneously connected with the base 10; the two second support bars 28 are parallel to the workpiece, and the two second support bars 28 are respectively connected with the two second support seats 26; the two second bearings 30 are respectively sleeved on the outer sides of the two second support rods 28, and the two second bearings 30 are simultaneously attached to the workpiece.

In this embodiment, first, the base 10 is connected to a machine tool to fix the base 10 by the machine tool, so as to improve the stability of the base 10; secondly, the two first supporting seats 12 are respectively positioned at two sides of the workpiece, and the two first supporting seats 12 are connected with the base 10 in a sliding manner, so that the base 10 can support the first supporting seats 12, the first supporting seats 12 can slide relative to the base 10, and the first supporting seats 12 are movably supported by the base 10; thirdly, the supporting plates 14 are arranged perpendicular to the first supporting seats 12, and the four supporting plates 14 are respectively connected with the two first supporting seats 12, so that the supporting function of the first supporting seats 12 on the supporting plates 14 is realized, and the stability of the supporting plates 14 is improved, so that the supporting plates 14 and the first supporting seats 12 move synchronously; thirdly, two ends of the two first supporting rods 16 are respectively connected with the four supporting plates 14, so that the supporting effect of the supporting plates 14 on the first supporting rods 16 is realized, and the stability of the first supporting rods 16 is improved; thirdly, the two first bearings 18 are respectively sleeved on the outer sides of the two first supporting rods 16, and the two first bearings 18 are attached to the workpiece at the same time, so that the first bearings 18 can rotatably support the workpiece, interference between the workpiece and the first bearings 18 during supporting is avoided, and the workpiece can stably rotate; thirdly, the fixing plates 20 are arranged perpendicular to the base 10, the two fixing plates 20 are respectively positioned on one sides of the two first supporting seats 12 far away from the workpiece, and the two fixing plates 20 are simultaneously connected with the base 10, so that the fixing plates 20 are supported by the base 10, and the stability of the fixing plates 20 is improved; thirdly, first internal threads are formed in the inner wall of the first threaded hole, first external threads are formed in the outer wall of the lead screw 24, the two first threaded holes respectively penetrate through the two fixing plates 20, the two lead screws 24 penetrate through the two first threaded holes, the two lead screws 24 are respectively connected with the two first supporting seats 12, the length of the lead screws 24 extending out of the fixing plates 20 is changed by rotating the lead screws 24, the technical effect that the lead screws 24 drive the first supporting seats 12 to slide relative to the base 10 is achieved, the supporting effect on workpieces with different diameters is achieved, and the applicability of products is improved; thirdly, the two second supporting seats 26 are respectively arranged on two sides of the workpiece, and the two second supporting seats 26 are simultaneously connected with the base 10, so that the supporting effect of the base 10 on the second supporting seats 26 is realized, and the stability of the second supporting seats 26 is improved; thirdly, the two second support rods 28 are arranged in parallel to the workpiece, and the two second support rods 28 are respectively connected with the two second support seats 26, so that the support effect of the second support seats 26 on the second support rods 28 is realized, and the stability of the second support rods 28 is improved; thirdly, through the outside of the suit respectively at two second bracing pieces 28 with two second bearings 30, and two second bearings 30 laminate mutually with the work piece simultaneously to realize the supporting role of second bracing piece 28 to second bearing 30, thereby realize that second bearing 30 supports the effect to the rotation of work piece, the frictional force that produces when reducing the work piece and rotate, so that the work piece can steadily rotate. By adopting the structure, the two first supporting seats 12 are arranged at two sides of a workpiece, the supporting plates 14 are perpendicular to the first supporting seats 12 and are connected with the first supporting seats 12, two ends of the two first supporting rods 16 are respectively connected with the four supporting plates 14, and then the two first bearings 18 are sleeved at the outer sides of the two first supporting rods 16, so that the rotating supporting effect on the workpiece is realized, the stability of the workpiece is improved, the workpiece is not interfered when rotating relative to the first supporting rods 16, the friction force generated when the workpiece rotates is reduced, and the workpiece is driven by a machine tool to rotate stably; the first support seat 12 is connected with the base 10 in a sliding manner, so that the base 10 can support the first support seat 12, the stability of the first support seat 12 is improved, and meanwhile, the lead screw 24 is rotated to change the extending length of the lead screw 24 on the fixing plate 20, so that the first support seat 12 is driven to slide, the position of the first bearing 18 relative to a workpiece is adjusted, the support effect on workpieces with different sizes is realized, and the applicability of products is improved; two second supporting seats 26 are arranged on the base 10, two second supporting rods 28 are respectively connected with the two second supporting seats 26, and two second bearings 30 are respectively sleeved on the outer sides of the two second supporting rods 28 so as to realize the rotating supporting function on the workpiece, so that the workpiece rotates relative to the second supporting rods 28 without interference, and the workpiece is ensured not to generate friction with the first bearing 18 and the second bearing 30 when rotating; moreover, the first bearing 18 and the second bearing 30 are in point contact with the workpiece, so that two points of the cylindrical workpiece are supported, and the workpiece in a certain size is provided with four points which are respectively attached to the two first bearings 18 and the two second bearings 30, so that the cylindrical workpiece can be supported by adapting to the diameter change of the workpiece on the premise of not adjusting the position of the first supporting seat 12, the workpiece can be supported during the installation of the workpiece, the workpiece can be conveniently and quickly installed, and the installation difficulty is reduced; but also can avoid the stress concentration when the workpiece is processed, reduce the deformation generated when the workpiece is processed and ensure that the product has certain adaptability.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 3, the rotation support mechanism for a lathe further includes: a first contact portion 32 and a second contact portion 34; the first contact part 32 is an elastic body, the first contact part 32 is sleeved on the outer wall of the first bearing 18, and the first contact part 32 is attached to the workpiece; the second contact portion 34 is an elastic body, the second contact portion 34 is sleeved on the outer wall of the second bearing 30, and the second contact portion 34 is attached to the workpiece.

In this embodiment, the first contact portion 32 and the second contact portion 34 are elastic bodies, the first contact portion 32 is sleeved on the outer wall of the first bearing 18, the second contact portion 34 is sleeved on the outer wall of the second bearing 30, and the first contact portion 32 and the second contact portion 34 are attached to the workpiece, so that the friction force between the first bearing 18 and the workpiece and between the second bearing 30 and the workpiece is increased through the elastic deformation of the first contact portion 32 and the second contact portion 34, thereby avoiding the sliding friction between the workpiece and the workpiece, causing the workpiece to be worn, and simultaneously avoiding the hard contact with the workpiece, causing the problem of workpiece wear to occur, and ensuring that the workpiece is not damaged.

In one embodiment of the present invention, preferably, as shown in fig. 3, the rotation support mechanism for a lathe further includes: a chute and slide 38; the two sliding chutes are perpendicular to the axial direction of the workpiece and are arranged on the surface of the base 10, and the sliding chutes are sunken towards the direction away from the workpiece; the eight sliding blocks 38 are respectively arranged on the bottom surfaces of the two first supporting seats 12, and the eight sliding blocks 38 are respectively embedded into the two sliding grooves.

In this embodiment, two sliding grooves are disposed on the surface of the base 10 perpendicular to the axial direction of the workpiece, and the sliding grooves are recessed toward the direction away from the workpiece, and eight sliding blocks 38 are disposed on the bottom surfaces of the two first supporting seats 12 respectively, and eight sliding blocks 38 are embedded in the two sliding grooves respectively, so as to achieve the guiding effect of the sliding grooves on the sliding blocks 38, so that the first supporting seats 12 slide along the sliding grooves, thereby achieving the effect of changing the position of the first bearing 18, thereby achieving the technical effect of adjusting the height of the workpiece, and achieving the purpose of rotatably supporting workpieces with different diameters.

In one embodiment of the present invention, preferably, as shown in fig. 1 and 3, the rotation support mechanism for a lathe further includes: a limit frame 40, a long hole 42, an adjusting rod 44, a second external thread and a first nut 46; the two limit frames 40 are respectively connected with the two second support seats 26; the two strip holes 42 respectively penetrate through the two second supporting seats 26, and after the two second supporting rods 28 respectively penetrate through the two strip holes 42, the two second supporting rods 28 are respectively connected with the two second supporting seats 26; after the two adjusting rods 44 respectively penetrate through the two limiting frames 40, the two adjusting rods 44 are respectively connected with the two second supporting rods 28; the second external thread is provided on the outer wall of the adjusting rod 44; the inner wall of the first nut 46 is provided with a second internal thread, the four first nuts 46 are respectively sleeved on the outer sides of the two adjusting rods 44, and the four first nuts 46 are respectively attached to the two limiting frames 40.

In this embodiment, first, the two limiting frames 40 are respectively connected to the two second supporting seats 26, so as to support the limiting frames 40 by the second supporting seats 26, and improve the stability of the limiting frames 40; secondly, the two support rods respectively penetrate through the two strip holes 42 and then are respectively connected with the two second support seats 26, so that the technical effect that the second support rods 28 can move in the strip holes 42 is achieved, and the position of the second bearing 30 is adjusted; thirdly, after the two adjusting rods 44 respectively penetrate through the two limiting frames 40, the two adjusting rods 44 are respectively connected with the two second supporting rods 28, so that the technical effect that the adjusting rods 44 drive the second supporting rods 28 to move in the elongated holes 42, and the second bearings 30 are driven to move towards two sides is achieved; thirdly, the inner wall of the first nut 46 is provided with a second internal thread, and the first nut 46 is sleeved outside the adjusting rod 44 to realize screwing the first nut 46 to be attached to the limiting frame 40, so that the limiting and fixing effects on the adjusting rod 44 are realized, and the stability of the adjusting rod 44 is improved.

Specifically, during installation, the adjusting rod 44 is firstly made to pass through the limiting frame 40, one first nut 46 is sleeved on the outer side of the adjustment, then the second supporting rod 28 is made to pass through the adjusting rod 44, and the other first nut 46 is sleeved on the outer side of the adjusting rod 44 to fix the position of the adjusting rod 44.

In one embodiment of the present invention, preferably, as shown in fig. 3, the rotation support mechanism for a lathe further includes: a third external thread and a second nut 48; the third external thread is arranged on the outer wall of the second supporting rod 28; the inner wall of the second nut 48 is provided with a third internal thread, four second nuts 48 are respectively sleeved on the outer sides of the two second support rods 28, and the four second nuts 48 are respectively attached to the two sides of the two second support seats 26.

In this embodiment, the third external thread is disposed on the outer wall of the second support bar 28, the inner wall of the second nut 48 is provided with the third internal thread, and the four second nuts 48 are respectively sleeved on the outer sides of the two second support bars 28 to realize screwing the second nuts 48 to be attached to the two sides of the second support seat 26, so as to realize the limiting and fixing effects on the second support bar 28 and prevent the second support bar 28 from falling off from the second support seat 26 and causing product damage.

In one embodiment of the present invention, preferably, as shown in fig. 3, the rotation support mechanism for a lathe further includes: the limiting groove, the second threaded hole and the screw are arranged on the first threaded hole; the limiting groove is arranged on the side wall of the screw 24 along the circumferential direction of the screw 24; the inner wall of the second threaded hole is provided with a fourth external thread, and the second threaded hole is arranged on the first supporting seat 12; the outer wall of screw is provided with fourth external screw thread, and after the screw passed the second screw hole, the screw embedding spacing inslot.

In this embodiment, the spacing groove sets up on the lateral wall of lead screw 24 along lead screw 24's circumference, the inner wall of second screw hole is provided with the fourth external screw thread, the second screw hole sets up on first supporting seat 12, the outer wall of screw is provided with the fourth external screw thread, through after passing the second screw hole with the screw, screw embedding spacing inslot, in order to realize the limiting displacement to lead screw 24, promote lead screw 24's stability, it is stable to make lead screw 24 be connected with first supporting seat 12, thereby realize that lead screw 24 can drive first supporting seat 12 for the gliding technological effect of base 10.

In one embodiment of the present invention, preferably, as shown in fig. 2, the rotation support supporting mechanism for a lathe further includes: a handle 54; the two handles 54 are connected to the two lead screws 24, respectively.

In this embodiment, the handle 54 is connected to the lead screw 24 to achieve the technical effect of holding the handle 54 to rotate the lead screw 24, thereby facilitating the operation.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A rotary support mechanism for a lathe, the rotary support mechanism for a lathe being connected to a machine tool, the rotary support mechanism for a lathe being used for supporting a cylindrical workpiece, characterized by comprising:

the base is connected with the machine tool;

the two first supporting seats are respectively positioned on two sides of the workpiece and are in sliding connection with the base;

the supporting plates are perpendicular to the first supporting seats, and the four supporting plates are respectively connected with the two first supporting seats;

two ends of the two first supporting rods are respectively connected with the four supporting plates;

the two first bearings are respectively sleeved on the outer sides of the two first supporting rods and are simultaneously attached to the workpiece;

the fixed plates are perpendicular to the base, the two fixed plates are respectively positioned on one sides of the two first supporting seats far away from the workpiece, and the two fixed plates are simultaneously connected with the base;

the inner wall of the first threaded hole is provided with a first internal thread, and the two first threaded holes respectively penetrate through the two fixing plates;

the outer wall of each lead screw is provided with a first external thread, one end of each lead screw penetrates through each first threaded hole, and the two lead screws are connected with the two first supporting seats respectively;

the two second supporting seats are respectively arranged on two sides of the workpiece and are simultaneously connected with the base;

the two second supporting rods are parallel to the workpiece and are respectively connected with the two second supporting seats;

and the two second bearings are respectively sleeved at the outer sides of the two second supporting rods and are simultaneously attached to the workpiece.

2. The rotary support mechanism for a lathe according to claim 1, further comprising:

the first contact part is an elastic body, the first contact part is sleeved on the outer wall of the first bearing, and the first contact part is attached to the workpiece;

and the second contact part is an elastic body, is sleeved on the outer wall of the second bearing, and is attached to the workpiece.

3. The rotary support mechanism for a lathe according to claim 1, further comprising:

the two sliding grooves are perpendicular to the axial direction of the workpiece and are arranged on the surface of the base, and the sliding grooves are sunken towards the direction away from the workpiece;

the sliding blocks are arranged on the bottom surfaces of the first supporting seats respectively, and are embedded into the sliding grooves respectively.

4. The rotary support mechanism for a lathe according to claim 1, further comprising:

the two limiting frames are respectively connected with the two second supporting seats;

the two elongated holes respectively penetrate through the two second supporting seats, and the two second supporting rods are respectively connected with the two second supporting seats after penetrating through the two elongated holes;

the two adjusting rods respectively penetrate through the two limiting frames and are respectively connected with the two second supporting rods;

a second external thread disposed on an outer wall of the adjustment rod;

the inner wall of the first nut is provided with a second internal thread, the first nuts are sleeved on the outer sides of the adjusting rods respectively, and the first nuts are attached to the limiting frames respectively.

5. The rotary support mechanism for a lathe according to claim 4, further comprising:

a third external thread provided on an outer wall of the second support bar;

the inner wall of the second nut is provided with a third internal thread, the second nut is sleeved on the outer side of the second supporting rod respectively, and the second nut is attached to two sides of the second supporting seat respectively.

6. The rotary support mechanism for a lathe according to claim 1, further comprising:

the limiting groove is arranged on the side wall of the lead screw along the circumferential direction of the lead screw;

a fourth external thread is arranged on the inner wall of the second threaded hole, and the second threaded hole is formed in the first supporting seat;

and the outer wall of the screw is provided with a fourth external thread, and the screw penetrates through the second threaded hole and is embedded into the limiting groove.

7. The rotary support mechanism for a lathe according to claim 6, further comprising:

and the two handles are respectively connected with the two screw rods.

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