CN217858101U - Bending angle detection device for bending machine - Google Patents

Abstract

The utility model discloses a bender is with book angle detection device, its characterized in that: the detection device comprises a motor arranged on a bending machine frame, a first bevel gear is arranged at the working end of the motor and meshed with a second bevel gear, a threaded inner hole is formed in the second bevel gear, the second bevel gear is in threaded connection with a screw rod through the threaded inner hole, the bottom end of the screw rod is rotatably connected with the top end of a telescopic shaft, the telescopic shaft is movably sleeved in a supporting sleeve fixedly connected with the bending machine frame, a transverse pin shaft perpendicular to the telescopic shaft is arranged at the bottom end of the telescopic shaft, the transverse pin shaft is movably connected in a long hole formed in the lifting frame, a first spring is further sleeved outside the bottom of the telescopic shaft, the first spring is located between the top end face of the lifting frame and the bottom end face of the supporting sleeve, two second springs are further symmetrically arranged on the supporting sleeve, and the bottoms of the two second springs are connected with the top end face of the lifting frame.

Description

Bending angle detection device for bending machine

Technical Field

The utility model relates to a stamping die field, especially a bender angle detection device for bender.

Background

When the stamping forming operation of the sheet metal part is carried out, the sheet material is often required to be stamped into a bending shape, and the bending angle of the bent sheet material needs to be detected after the stamping operation. The angle of bending of the bending panel after the punching press can not be directly detected in traditional punching equipment, and the product is required to be detected after being taken down from the punching machine, so that the operation is very troublesome and tedious, and the working efficiency is influenced. And even if unqualified products are placed on the stamping die again for stamping again after detection, the precision of the products is inevitably influenced due to secondary operation in the process. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed can detect the fifty percent discount bent angle in real time after the punching press is ended to guarantee the accurate angle detection device of bending of bent angle.

The technical solution of the utility model is that: the utility model provides a bender is with angle of bending detection device which characterized in that: the detection device comprises a motor 1 arranged on a bending machine frame, a first bevel gear 2 is arranged at the working end of the motor 1, the first bevel gear 2 is meshed with a second bevel gear 3, the second bevel gear 3 is provided with a threaded inner hole, the second bevel gear 3 is in threaded connection with a screw rod 4 through the threaded inner hole, the bottom end of the screw rod 4 is rotatably connected with the top end of a telescopic shaft 5, the telescopic shaft 5 is movably sleeved in a support sleeve 6 fixedly connected with the bending machine frame, a transverse pin shaft 7 perpendicular to the telescopic shaft 5 is arranged at the bottom end of the telescopic shaft 5, the transverse pin shaft 7 is movably connected in a long hole 9 arranged in a lifting frame 8, a first spring 10 is further sleeved outside the bottom of the telescopic shaft 5, the first spring 10 is positioned between the top end face of the lifting frame 8 and the bottom end face of the support sleeve 6, two second springs 11 are further symmetrically arranged on the support sleeve 6, and the bottom ends of the two second springs 11 are both connected with the top end face of the lifting frame 8,

two ends of the bottom end surface of the lifting frame 8 are symmetrically and rotatably connected with two first swing rods 12, the middle part of the first swing rod 12 is rotatably connected with a second swing rod 13, the other end of the second swing rod 13 is rotatably connected with the end part of the transverse pin shaft 7, the bottom end of the first swing rod 12 is hinged with the top end of a detection block 14, the detection block 14 is rotatably supported with two first detection rods 15 which are distributed in a staggered way through a first rotating shaft, a third spring 16 is connected between the upper parts of the two first detection rods 15, namely the third spring 16 is positioned above the first rotating shaft,

the detection device further comprises an adjusting seat, the adjusting seat comprises a base 17, a stud 18 is arranged on the base 17, an adjusting nut 19 is connected onto the stud 18 in a threaded manner, the top end of the adjusting nut 19 is rotatably connected with a lifting platform 20, a groove for accommodating the stud 18 is further formed in the bottom end face of the lifting platform 20, an angle scale 21 and a support frame are arranged on the top end face of the lifting platform 20, two second detection rods 22 which are distributed in a staggered manner are rotatably supported on the support frame through a second rotating shaft, a fourth spring 23 is connected between the lower portions of the two second detection rods 22, namely the fourth spring 23 is positioned below the second rotating shaft, meanwhile, the second detection rods 22 are matched with the first detection rods 15 in position, an indicating part is arranged at the bottom ends of the second detection rods 22, and the indicating part is matched with the angle scale 21 in position,

a support rod 24 is further arranged on the base 17, an infrared transmitting end 25 is arranged at the top end of the support rod 24, an infrared receiving end 26 matched with the infrared transmitting end 25 is arranged on a lower die 27 of the bending machine, and the second rotating shaft is a hollow shaft.

Compared with the prior art, the utility model, have following advantage:

the bending angle detection device for the bending machine in the structural form is simple in structure, ingenious in design and reasonable in layout, can not directly detect the bending angle of a workpiece after bending operation of the traditional bending machine, and solves various problems caused by the fact that the bending angle of the workpiece cannot be directly detected.

Drawings

Fig. 1 is a schematic structural diagram (non-detection state) of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram (detection state) of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram (direction one) of an adjusting seat portion according to an embodiment of the present invention.

Fig. 4 is a schematic view (direction two) of the working state of the adjusting seat portion in the embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. As shown in fig. 1 to 4: a bending angle detection device for a bending machine comprises a motor 1 arranged on a frame of the bending machine, wherein a first bevel gear 2 is arranged at the working end of the motor 1, the first bevel gear 2 is meshed with a second bevel gear 3, the second bevel gear 3 is provided with a threaded inner hole, the second bevel gear 3 is in threaded connection with a screw rod 4 through the threaded inner hole, the bottom end of the screw rod 4 is rotatably connected with the top end of a telescopic shaft 5, the telescopic shaft 5 is movably sleeved in a support sleeve 6 fixedly connected with the frame of the bending machine, a transverse pin shaft 7 perpendicular to the telescopic shaft 5 is arranged at the bottom end of the telescopic shaft 5, the transverse pin shaft 7 is movably connected in a long hole 9 formed in the crane 8, a first spring 10 is further sleeved outside the bottom of the telescopic shaft 5, the first spring 10 is positioned between the top end face of the crane 8 and the bottom end face of the support sleeve 6, two second springs 11 are further symmetrically arranged on the support sleeve 6, and the bottom ends of the two second springs 11 are both connected with the top end face of the crane 8,

two ends of the bottom end surface of the lifting frame 8 are symmetrically and rotatably connected with two first swing rods 12, the middle part of the first swing rod 12 is rotatably connected with a second swing rod 13, the other end of the second swing rod 13 is rotatably connected with the end part of the transverse pin shaft 7, the bottom end of the first swing rod 12 is hinged with the top end of a detection block 14, the detection block 14 is rotatably supported with two first detection rods 15 which are distributed in a staggered way through a first rotating shaft, a third spring 16 is connected between the upper parts of the two first detection rods 15, namely the third spring 16 is positioned above the first rotating shaft,

the detection device further comprises an adjusting seat, the adjusting seat comprises a base 17, a stud 18 is arranged on the base 17, an adjusting nut 19 is connected onto the stud 18 in a threaded manner, the top end of the adjusting nut 19 is rotatably connected with a lifting platform 20, a groove for accommodating the stud 18 is further formed in the bottom end face of the lifting platform 20, an angle scale 21 and a support frame are arranged on the top end face of the lifting platform 20, two second detection rods 22 which are distributed in a staggered manner are rotatably supported on the support frame through a second rotating shaft, a fourth spring 23 is connected between the lower portions of the two second detection rods 22, namely the fourth spring 23 is positioned below the second rotating shaft, meanwhile, the second detection rods 22 are matched with the first detection rods 15 in position, an indicating part is arranged at the bottom ends of the second detection rods 22, and the indicating part is matched with the angle scale 21 in position,

a support rod 24 is further arranged on the base 17, an infrared transmitting end 25 is arranged at the top end of the support rod 24, an infrared receiving end 26 matched with the infrared transmitting end 25 is arranged on a lower die 27 of the bending machine, and the second rotating shaft is a hollow shaft.

The utility model discloses bender is with a bending angle detection device's working process as follows: in the initial state, the device is in the state shown in fig. 1, and at this time, the motion trail of the detection block 14 and the upper die does not interfere with each other, so that the bending machine can drive the upper die (male die) to smoothly descend,

the upper die moves downwards to punch the workpiece 28 on the lower die 27 (female die), the plate-shaped workpiece 28 is punched into a bent shape matched with the shapes of the upper die and the lower die 27, after the punching is finished, the upper die moves upwards, the workpiece 28 is left on the lower die 27,

after receiving a signal of the punching machine, the control system controls the motor 1 to start working, the working end of the motor 1 drives the second bevel gear 3 to rotate through the first bevel gear 2, the second bevel gear 3 drives the screw rod 4 in threaded connection with the second bevel gear to move longitudinally when rotating, and further drives the telescopic shaft 5 connected to the bottom end of the screw rod 4 to move downwards, at the initial stage of movement of the telescopic shaft 5, the transverse pin shaft 7 moves in the long hole 9, the transverse pin shaft 7 drives the two second swing rods 13 to swing, and finally the two first swing rods 12 are pushed to swing outwards at the same time, at the moment, one detection block 14 moves to the upper part of a workpiece 28, and the other detection block 14 moves to the upper part of the detection device;

then the telescopic shaft 5 continues to move downwards, when the transverse pin shaft 7 moves to the bottom end of the long hole 9, the transverse pin shaft 7 can push the lifting frame 8 to move downwards together (in the process, the two second springs 11 are stretched), so that the two detection blocks 14 are driven to move downwards until the first detection rod 15 on the detection block 14 above the workpiece 2 is contacted with the surface of the workpiece 28, meanwhile, the first detection rod 15 on the detection block 14 above the detection device is contacted with the second detection rod 22, the height of the workpiece 28 is determined, and the second detection rod 22 is measured by the height detection device in advance and then is adjusted to be at the same horizontal height with the workpiece 28 under the action of the adjusting seat, so that the revolution number of the motor 1 can be controlled according to the height of the formed workpiece 28 in the actual work, and the motor 1 can be just stopped when the first detection rod 15 is contacted with the workpiece 28;

at this time, the first detection rods 15 on the two detection blocks 14 are under the same condition, so that the angle detected by the first detection rod 15 matched with the detection device is the bending angle of the workpiece 28;

when the bottom end of the first detection rod 15 contacts with the upper half part of the second detection rod 22, the second detection rod 22 gradually opens along with the downward movement of the first detection rod 15, and when the first detection rod 15 stops moving, the indicating part at the bottom end of the second detection rod 22 marks the current angle on the angle scale 21, and the angle value is the bending angle of the workpiece 28;

if the worker observes that the bending angle at the moment meets the requirement, the worker sends an instruction through the control system to control the manipulator or other mechanisms to take the workpiece 28 from the lower die 27 and convey the workpiece to a qualified product rack or the next working procedure; otherwise, conveying the material to a defective material rack;

after the detection work is finished, the control system controls the motor 1 to rotate reversely, the lifting frame 8 returns to the initial position under the action of the first spring 10 and the second spring 16, and the first swing rod 12 and the second swing rod 13 also swing reversely and return to the initial position to wait for the next detection.

Claims (1)

1. The utility model provides a bender is with angle of bending detection device which characterized in that: the detection device comprises a motor (1) arranged on a frame of the bending machine, a first bevel gear (2) is arranged at the working end of the motor (1), the first bevel gear (2) is meshed with a second bevel gear (3), the second bevel gear (3) is provided with a threaded inner hole, the second bevel gear (3) is in threaded connection with a screw rod (4) through the threaded inner hole, the bottom end of the screw rod (4) is rotationally connected with the top end of a telescopic shaft (5), the telescopic shaft (5) is movably sleeved in a support sleeve (6) fixedly connected with the frame of the bending machine, a transverse pin shaft (7) perpendicular to the telescopic shaft (5) is arranged at the bottom end of the telescopic shaft (5), the transverse pin shaft (7) is movably connected in a long hole (9) formed in a lifting frame (8), a first spring (10) is sleeved outside the bottom of the telescopic shaft (5), the first spring (10) is positioned between the top end surface of the support sleeve (8) and the bottom end surface of the support sleeve (6), two second springs (11) are symmetrically arranged on the support sleeve (6), and the two lifting frames (11) are connected with the lifting frame (8),

two ends of the bottom end face of the lifting frame (8) are symmetrically and rotatably connected with two first swing rods (12), the middle part of each first swing rod (12) is rotatably connected with a second swing rod (13), the other end of each second swing rod (13) is rotatably connected with the end part of the transverse pin shaft (7), the bottom end of each first swing rod (12) is hinged with the top end of a detection block (14), the detection block (14) is rotatably supported with two first detection rods (15) which are distributed in a staggered manner through a first rotating shaft, a third spring (16) is connected between the upper parts of the two first detection rods (15), namely the third spring (16) is positioned above the first rotating shaft,

the detection device further comprises an adjusting seat, the adjusting seat comprises a base (17), a stud (18) is arranged on the base (17), an adjusting nut (19) is connected to the stud (18) in a threaded manner, the top end of the adjusting nut (19) is rotatably connected with a lifting platform (20), a groove for accommodating the stud (18) is further formed in the bottom end face of the lifting platform (20), an angle scale (21) and a support frame are arranged on the top end face of the lifting platform (20), two second detection rods (22) which are distributed in a staggered manner are rotatably supported on the support frame through a second rotating shaft, a fourth spring (23) is connected between the lower portions of the two second detection rods (22), namely the fourth spring (23) is located below the second rotating shaft, meanwhile, the second detection rods (22) are matched with the first detection rods (15) in position, an indication portion is arranged at the bottom ends of the second detection rods (22), and the indication portion is matched with the angle scale (21 in position,

the base (17) is further provided with a supporting rod (24), the top end of the supporting rod (24) is provided with an infrared transmitting end (25), an infrared receiving end (26) matched with the infrared transmitting end (25) is arranged on a lower die (27) of the bending machine, and the second rotating shaft is a hollow shaft.

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