CN216152104U

CN216152104U - Rotatory tool of evacuation

Info

Publication number: CN216152104U
Application number: CN202122227613.7U
Authority: CN
Inventors: 许旭; 郑鹏飞; 柯真伟; 杨伟; 黄金苹
Original assignee: Chengdu Han De Sheng Bang Optical Co ltd
Current assignee: Chengdu Han De Sheng Bang Optical Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-01
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a vacuumizing rotary jig, which relates to the technical field of jigs and solves the technical problems that the appearance of a product is not fixed with a rotating shaft, and the product cannot rotate along with the rotating shaft without being fixed with the rotating shaft; the utility model is used for rotating with the jig in the process of processing products, and has the advantages of improving the efficiency of polishing the flash, simplifying the structure that the object is required to be designed to rotate along with the rotating shaft.

Description

Rotatory tool of evacuation

Technical Field

The utility model relates to the technical field of jigs, in particular to the technical field of vacuumizing rotary jigs, which are used for rotating with jigs in the process of processing products.

Background

The vacuum adsorption tool is mainly used for fixing a workpiece on the tool through the vacuum adsorption effect, the traditional clamping and top fixing mode is replaced, a certain protection effect is achieved on the workpiece, the tool plays an auxiliary role in processing the workpiece, and therefore the requirements of people on the tool are higher and higher.

Present absorption tool has certain drawback when using, at first, the back has been processed to the work piece, produce more sweeps easily, vacuum adsorption in time, cause the vacuum pump pipeline to block up easily, be not convenient for going on of processing, certain adverse effect has, secondly, when processing work piece in the tool, make the work piece rock easily, can influence the precision of work piece processing, certain adverse effect has, certain influence has been brought for people's use, and at last, the product need polish the overlap, the product appearance can not fix with the place of pivot location, the product does not fix with the pivot and just can't follow the pivot and rotate together.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a vacuumizing rotary jig, which aims to solve the problems that the appearance of the existing product is not fixed with a rotating shaft, and the product cannot rotate along with the rotating shaft without being fixed with the rotating shaft.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a rotatory tool of evacuation, includes motor and workstation, the workstation passes through the support column and supports, the lower extreme at the workstation is installed to the motor, the motor passes through connector key and pivot swivelling joint, the upper end and the lower extreme of pivot have first bearing and second bearing respectively, and the outer circumference of pivot is surrounded by the bearing frame, first bearing and second bearing are also installed in the bearing frame, the lower terminal surface laminating of bearing frame fit in the up end of workstation, there is the tray upper end of pivot through the screw connection, the object has been placed to the upper end of tray.

Further, an L-shaped air hole is drilled in the rotating shaft, the upper end of the L-shaped air hole is communicated with the bottom end face of the object, a U-shaped groove is formed in the opening of the air hole perpendicular to the axis direction of the rotating shaft, and the U-shaped groove is connected with an air nozzle.

Further, the U-shaped groove is formed by being formed in the outer circumferential ring of the rotating shaft and rotating 360 degrees around the axis of the rotating shaft.

Further, the upper end and the lower end of the rotating shaft are provided with shaft shoulders, the shaft shoulders at the upper end and the lower end are respectively provided with the first bearing and the second bearing, the rotating shaft is in interference fit with inner rings of the first bearing and the second bearing, and the bearing seat is in interference fit with outer rings of the first bearing and the second bearing.

Further, the upper end and the lower end of the U-shaped groove on the rotating shaft are in slightly small clearance fit with the inner ring of the bearing seat.

Further, a screw thread hole is formed in the position, corresponding to the U-shaped groove formed in the rotating shaft, of the bearing seat and connected with the air tap.

The utility model has the following beneficial effects:

1. the workbench is supported by the support columns, the motor is installed at the lower end of the workbench and is rotatably connected with the rotating shaft through a connecting key, the upper end and the lower end of the rotating shaft are respectively provided with a first bearing and a second bearing, the outer circumference of the rotating shaft is surrounded by a bearing seat, the first bearing and the second bearing are also installed in the bearing seat, the lower end face of the bearing seat is attached to the upper end face of the workbench, the upper end of the rotating shaft is connected with a tray through screws, an object is placed at the upper end of the tray, and the object is sucked on the tray and the rotating shaft through vacuum pumping and rotates along with the rotating shaft.

2. The rotating shaft is internally drilled with an L-shaped air hole, the upper end of the L-shaped air hole is communicated with the bottom end face of the object, a U-shaped groove is formed in the opening part of the air hole perpendicular to the axial direction of the rotating shaft, the U-shaped groove is connected with an air nozzle, and the air nozzle is connected with an air extractor to enable the cavity of the air hole to be vacuum, so that the object is completely attached to the tray and the rotating shaft.

3. The U-shaped groove is formed by being arranged on the outer circumference of the rotating shaft and rotating 360 degrees around the axis of the rotating shaft, so that the air hole is always communicated with the U-shaped groove in the rotating process of the rotating shaft, and the U-shaped groove is always communicated with the air nozzle in 360-degree rotation.

4. The upper end and the lower end of the rotating shaft are provided with shaft shoulders, the first bearing and the second bearing are respectively arranged on the shaft shoulders at the upper end and the lower end, the rotating shaft is in interference fit with inner rings of the first bearing and the second bearing, the bearing seat is in interference fit with outer rings of the first bearing and the second bearing, the inner rings of the bearings rotate along with the rotating shaft, and the outer rings of the bearings are fixed with the inner rings of the bearing seat.

5. The upper end and the lower end of the U-shaped groove (the outer ring of the rotating shaft) on the rotating shaft are in slightly small clearance fit with the inner ring of the bearing seat, so that the friction between the rotating shaft and the bearing seat is reduced.

6. The bearing seat is provided with a screw hole corresponding to the U-shaped groove on the rotating shaft, and the screw hole is connected with the air nozzle, and the air nozzle can suck air from the U-shaped groove and the air hole in the rotating process of the rotating shaft.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a perspective view of the present invention.

Reference numerals: 1-object, 2-tray, 3-rotating shaft, 31-U-shaped groove, 32-air hole, 4-first bearing, 5-bearing seat, 6-connecting key, 7-second bearing, 8-motor, 9-workbench and 10-supporting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1 to 2, this embodiment provides a rotatory tool of evacuation, including motor 8 and workstation 9, workstation 9 supports through support column 10, the lower extreme at workstation 9 is installed to motor 8, motor 8 passes through connecting

key

6 and 3 swivelling joint of pivot, the upper end and the lower extreme of pivot 3 have first bearing 4 and second bearing 7 respectively, and the outer circumference of pivot 3 is surrounded by bearing frame 5, first bearing 4 and second bearing 7 are also installed in bearing frame 5, the lower terminal surface laminating of bearing frame 5 in the up end of workstation 9, there is tray 2 upper end of pivot 3 through bolted connection, object 1 has been placed to the upper end of tray 2.

The air hole 32 of L type has been bored in pivot 3 the upper end of the air hole 32 of L type leads to the bottom face of object 1, and the mouth part of the air hole 32 of 3 axis directions of perpendicular to pivot is opened there is U type groove 31, U type groove 31 is connected with air cock 11, bearing frame 5 with the position that corresponds of the U type groove 31 that has on the pivot 3 is opened there is the thread hole with air cock 11 links to each other.

The U-shaped groove 31 is formed by being arranged on the outer circumferential ring of the rotating shaft 3 and rotating 360 degrees around the axis of the rotating shaft 3, and the upper end and the lower end (the outer ring of the rotating shaft 3) of the U-shaped groove 31 of the rotating shaft 3 are in slightly small clearance fit with the inner ring of the bearing seat 5.

The upper end and the lower end of the rotating shaft 3 are provided with shaft shoulders, the shaft shoulders at the upper end and the lower end are respectively provided with the first bearing 4 and the second bearing 7, the rotating shaft 3 is in interference fit with the inner rings of the first bearing 4 and the second bearing 7, and the bearing seat 5 is in interference fit with the outer rings of the first bearing 4 and the second bearing 7.

Example 2

The working principle of the above embodiment is as follows:

as shown in the schematic diagram of the principle shown in fig. 1-2, the motor 8 drives the rotating shaft 3 to rotate through the connecting key 6, the inner rings of two bearings mounted on two shaft shoulders of the rotating shaft 3 rotate along with the rotating shaft 3, the outer ring of the bearing is fixed with the inner ring of the bearing seat 5, the bearing seat 5 is fixed on the workbench 9 by screws, the U-shaped groove 31 is formed in the circumferential direction of the rotating shaft 3 so that the rotating shaft 3 is communicated with the L-shaped air hole 32 when rotating, the upper end and the lower end of the U-shaped groove 31 of the rotating shaft 3 are in clearance fit with the inner ring of the bearing seat 5 to reduce the rotational friction between the rotating shaft 3 and the bearing seat 5, and the position of the bearing seat 5 corresponding to the U-shaped groove 31 is provided with a thread hole to be connected with an air tap. Drive pivot 3 when motor 8 rotates and rotate, pivot 3 is connected tray 2 and is made tray 2 rotate, and air cock 11 switch-on trachea is breathed in simultaneously, and object 1 on tray 2 has been pumped into the vacuum owing to U type groove 31 and L type gas pocket 32 in the pivot 3, and object 1 will be adsorbed and rotate together with tray 2 and pivot 3 on tray 2, and when not having vacuum adsorption, object 1 can not rotate.

The utility model has the advantages that the object 1 needing to rotate can be fixed with the rotating shaft 3 without a positioning mechanism, thereby improving the efficiency of polishing the flash and simplifying the traditional structure which needs to be designed to enable the object 1 to rotate along with the rotating shaft 3.

Claims

1. The utility model provides a rotatory tool of evacuation, includes motor (8) and workstation (9), workstation (9) are supported through support column (10), the lower extreme at workstation (9), its characterized in that are installed in motor (8): motor (8) are through connecting key (6) and pivot (3) swivelling joint, the upper end and the lower extreme of pivot (3) have first bearing (4) and second bearing (7) respectively, and the outer periphery of pivot (3) is surrounded by bearing frame (5), first bearing (4) and second bearing (7) are also installed in bearing frame (5), the lower terminal surface laminating of bearing frame (5) fits the up end of workstation (9), the upper end of pivot (3) has tray (2) through the screw connection, object (1) have been placed to the upper end of tray (2).

2. The vacuum pumping rotary jig of claim 1, wherein: bore air pocket (32) of L type in pivot (3) the upper end of air pocket (32) of L type leads to the bottom face of object (1), the oral area of air pocket (32) of perpendicular to pivot (3) axis direction is opened has U type groove (31), U type groove (31) are connected with air cock (11).

3. The vacuum pumping rotary jig of claim 2, wherein: the U-shaped groove (31) is formed by being arranged on the outer circumference of the rotating shaft (3) and rotating 360 degrees around the axis of the rotating shaft (3).

4. The vacuum pumping rotary jig of claim 1, wherein: the upper end and the lower end of the rotating shaft (3) are provided with shaft shoulders, the shaft shoulders at the upper end and the lower end are respectively provided with the first bearing (4) and the second bearing (7), the rotating shaft (3) is in interference fit with the inner rings of the first bearing (4) and the second bearing (7), and the bearing seat (5) is in interference fit with the outer rings of the first bearing (4) and the second bearing (7).

5. The vacuum pumping rotary jig of claim 4, wherein: the upper end and the lower end of a U-shaped groove (31) of the rotating shaft (3) are in slightly small clearance fit with the inner ring of the bearing seat (5).

6. The vacuum pumping rotary jig of claim 1, wherein: and the bearing seat (5) and the corresponding position of the U-shaped groove (31) arranged on the rotating shaft (3) are provided with thread holes which are connected with the air tap (11).