CN216731701U - Automatic positioning jig for precision machining - Google Patents

Automatic positioning jig for precision machining Download PDF

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Publication number
CN216731701U
CN216731701U CN202123358330.2U CN202123358330U CN216731701U CN 216731701 U CN216731701 U CN 216731701U CN 202123358330 U CN202123358330 U CN 202123358330U CN 216731701 U CN216731701 U CN 216731701U
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China
Prior art keywords
worm
clamping block
precision machining
automatic positioning
positioning ring
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CN202123358330.2U
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Chinese (zh)
Inventor
龙晓艳
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Jinyun Yushun Machinery Co ltd
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Jinyun Yushun Machinery Co ltd
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Abstract

The utility model discloses an automatic positioning jig for precision machining, which comprises an installation base, wherein a circular tube is rotatably arranged inside the installation base through a bearing, a machining platform is fixedly arranged at the top of the circular tube, a connecting column is fixedly arranged at the top of the machining platform, a positioning ring is fixedly arranged at the top of the connecting column, and a first worm and a second worm are arranged inside the positioning ring through threaded sleeves. According to the utility model, the circular tube is rotatably connected inside the mounting base through the bearing, the processing platform is fixedly connected to the top of the circular tube, when the operation platform needs to be adjusted, the worm wheel II drives the worm II, the thread directions of the worm I and the worm II are set to be opposite, so that the worm I and the worm II simultaneously move towards the inside of the positioning ring, the worm drives the clamp block I, the worm II drives the clamp block II to slowly position and clamp a cylindrical member, and the cylindrical member can be positioned and clamped through the rotation of the motor, so that the automation degree is improved.

Description

Automatic positioning jig for precision machining
Technical Field
The utility model relates to the technical field related to automatic positioning of machining, in particular to an automatic positioning jig for precision machining.
Background
The jig is a tool for carpenters, ironmen, pincers workers, machines, electric controls and other handicrafts, and is mainly used as a tool for assisting in controlling positions or actions.
However, in the prior art, in actual use, most of the existing positioning jigs for machining are manually used for positioning and clamping workpieces inside the clamping mechanism of the machining table, and the automation degree is not high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an automatic positioning fixture for precision machining, so as to solve the problems of the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: an automatic positioning jig for precision machining comprises an installation base, wherein a circular pipe is arranged inside the installation base in a rotating mode through a bearing, a machining platform is fixedly arranged at the top of the circular pipe, a connecting column is fixedly arranged at the top of the machining platform, a positioning ring is fixedly arranged at the top of the connecting column, a first worm and a second worm are arranged inside the positioning ring through threaded sleeves, a first worm wheel and a second worm wheel are meshed on the surfaces of the first worm and the second worm, a transmission rod is fixedly arranged on the surface of the first worm wheel, a left chain wheel is fixedly arranged at one end of the transmission rod, a chain is arranged in transmission mode through the left chain wheel, the chain is connected with a right chain wheel in transmission mode, the surface of the right chain wheel is fixedly connected with the second worm wheel through the connection rod, a housing is fixedly arranged on the side face of the installation base through the connection rod, and a motor is fixedly arranged on the inner wall of the housing through a fixing block, the output shaft of motor is fixed and is provided with the transmission shaft, the one end and the left sprocket fixed connection of transmission shaft.
Preferably, the number of spliced poles is two, the surface of worm one and worm two all is equipped with the screw thread sand grip, the screw thread of worm one and worm two is opposite in opposite directions.
Preferably, the inside of the right chain wheel is rotatably provided with a connecting rod through a bearing, and the connecting rod is fixedly connected with the surface of the processing platform.
Preferably, the positioning ring is an annular member, and a threaded sleeve matched with the threaded convex strips of the first worm and the second worm is arranged in the positioning ring.
Preferably, one end of the first worm is fixedly provided with a first clamping block, the first clamping block moves in the positioning ring, and an arc-shaped groove is formed in the surface of the first clamping block.
Preferably, one end of the second worm is fixedly provided with a second clamping block, the second clamping block moves in the positioning ring, and the surface of the second clamping block is provided with an arc-shaped groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is connected with a round pipe through a bearing in a rotating way in the installation base, the top of the round pipe is fixedly connected with a processing platform, when the operation platform needs to be adjusted, the operation platform can be adjusted through the movement of the processing platform, most of the existing positioning tools for machining are used for manually placing a workpiece in the clamping mechanism of the processing platform for positioning and clamping, the automation degree is not high, when the workpiece of a certain cylinder needs to be positioned and clamped, a motor is started, the output shaft of the motor drives a transmission shaft, the transmission shaft drives a left chain wheel, the left chain wheel drives a transmission rod and simultaneously drives a right chain wheel through a chain, the transmission rod drives a first worm wheel, the right chain wheel drives a second worm wheel, the first worm wheel drives a first worm, the second worm wheel drives a second worm, and the thread directions of the first worm and the second worm are opposite through setting the first worm and the second worm, the first worm and the second worm simultaneously move towards the inside of the positioning ring, the first worm drives the first clamping block, the second worm drives the second clamping block to slowly position and clamp the cylindrical member, and the cylindrical member can be positioned and clamped through the rotation of the motor, so that the automation degree is improved;
2. the processing platform and the mounting base are rotatable, when the clamping force of the first clamping block and the second clamping block on the cylindrical component is not high in a certain reverse direction, all structures on the top of the processing platform can be integrally moved by moving the processing platform, the cylindrical component can be clamped by facing the cylindrical component, the application range of the cylinder is widened, and the cylindrical component with an irregular surface can be conveniently clamped for different cylinders.
Drawings
FIG. 1 is a front sectional view of an overall structure of an automatic positioning jig for precision machining according to the present invention;
FIG. 2 is a side sectional view of a partial structure of an automatic positioning fixture for precision machining according to the present invention;
FIG. 3 is a sectional view of the positioning ring and the adjacent structure of the automatic positioning fixture for precision machining according to the present invention.
In the figure: 1. installing a base; 2. a circular tube; 3. a processing platform; 4. connecting columns; 5. a positioning ring; 6. A first worm; 7. a first worm wheel; 8. a transmission rod; 9. a left sprocket; 10. a chain; 11. a second worm; 12. A second worm gear; 13. a right sprocket; 14. a drive shaft; 15. a housing; 16. a motor; 17. a first clamping block; 18. And a second clamping block.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an automatic positioning jig for precision machining comprises an installation base 1, a round pipe 2 is rotatably connected inside the installation base 1 through a bearing, a machining platform 3 is fixedly installed at the top of the round pipe 2, a connecting column 4 is fixedly installed at the top of the machining platform 3, a positioning ring 5 is fixedly installed at the top of the connecting column 4, a first worm 6 and a second worm 11 are connected inside the positioning ring 5 through threaded sleeves, a first worm wheel 7 and a second worm wheel 12 are meshed on the surfaces of the first worm 6 and the second worm 11, a transmission rod 8 is fixedly installed on the surface of the first worm wheel 7, a left chain wheel 9 is fixedly installed at one end of the transmission rod 8, the left chain wheel 9 is in transmission connection with a chain 10, the chain 10 is in transmission connection with a right chain wheel 13, the surface of the right chain wheel 13 is fixedly installed with the second worm wheel 12 through the connecting rod, a housing 15 is fixedly installed on the side surface of the installation base 1 through the connecting rod, and a motor 16 is fixedly installed on the inner wall of the housing 15 through a fixing block, a transmission shaft 14 is fixedly arranged on an output shaft of the motor 16, and one end of the transmission shaft 14 is fixedly arranged with the left chain wheel 9.
The number of the connecting columns 4 is two, the surfaces of the first worm 6 and the second worm 11 are both provided with thread raised strips, and the threads of the first worm 6 and the second worm 11 are opposite in direction.
The inside of right sprocket 13 is connected with the connecting rod through the bearing rotation, and the fixed surface installation of connecting rod and processing platform 3.
The positioning ring 5 is an annular component, and a threaded sleeve matched with the threaded convex strips of the first worm 6 and the second worm 11 is arranged inside the positioning ring 5.
One end of the first worm 6 is fixedly provided with a first clamping block 17, the first clamping block 17 moves in the positioning ring 5, and an arc-shaped groove is formed in the surface of the first clamping block 17.
One end of the second worm 11 is fixedly provided with a second clamping block 18, the second clamping block 18 moves in the positioning ring 5, and the surface of the second clamping block 18 is provided with an arc-shaped groove.
The working principle is as follows: when the tool is used, the round tube 2 is rotatably connected inside the mounting base 1 through the bearing, the processing platform 3 is fixedly connected to the top of the round tube 2, when the operation platform needs to be adjusted, the operation platform can be adjusted through the movement of the processing platform 3, most of the existing positioning tools for machining are used for manually placing a workpiece inside a clamping mechanism of the processing platform for positioning and clamping, the automation degree is not high, when the workpiece of a certain cylinder needs to be positioned and clamped, the motor 16 can be started, the output shaft of the motor 16 drives the transmission shaft 14, the transmission shaft 14 drives the left chain wheel 9, the left chain wheel 9 drives the transmission rod 8 and simultaneously drives the right chain wheel 13 through the chain 10, the transmission rod 8 drives the first worm wheel 7, the right chain wheel 13 drives the second worm wheel 12, the first worm wheel 7 drives the first worm 6, the second worm wheel 12 drives the second worm 11, the thread directions of the first worm 6 and the second worm 11 are opposite, so that the first worm 6 and the second worm 11 simultaneously move towards the inner part of the positioning ring 5, the first worm 6 drives the first clamping block 17, the second worm 11 drives the second clamping block 18 to slowly position and clamp the cylindrical member, the cylindrical member can be positioned and clamped through the rotation of the motor, the automation degree is improved, the utility model also has the advantages that the processing platform 3 and the mounting base 1 are rotatable, when the clamping force of the first clamping block 17 and the second clamping block 18 on the cylindrical component is not high in a certain reverse direction, all structures at the top of the processing platform 3 can be integrally moved by moving the processing platform 3, the surface suitable for the cylindrical component is found to be clamped with the cylindrical component, the application range of the cylinder is improved, and the cylinder with irregular surface is convenient to clamp for different cylinders.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a precision machining is with automatic positioning tool, includes installation base (1), its characterized in that: the inside of installation base (1) rotates through the bearing and is provided with pipe (2), the fixed processing platform (3) that is provided with in top of pipe (2), the fixed spliced pole (4) that is provided with in top of processing platform (3), the fixed holding ring (5) that is provided with in top of spliced pole (4), the inside of holding ring (5) is provided with worm (6) and worm two (11) through the thread bush, the surface meshing of worm (6) and worm two (11) has worm wheel (7) and worm wheel two (12), the fixed surface of worm wheel (7) is provided with transfer line (8), the fixed left sprocket (9) that is provided with in one end of transfer line (8), left sprocket (9) transmission is provided with chain (10), right sprocket (13) is connected in the transmission of chain (10), the surface of right sprocket (13) passes through connecting rod and worm wheel two (12) fixed connection, the side of the installation base (1) is fixedly provided with a housing (15) through a connecting rod, the inner wall of the housing (15) is fixedly provided with a motor (16) through a fixing block, an output shaft of the motor (16) is fixedly provided with a transmission shaft (14), and one end of the transmission shaft (14) is fixedly connected with the left chain wheel (9).
2. The automatic positioning jig for precision machining according to claim 1, characterized in that: the quantity of spliced pole (4) is two, the surface of worm one (6) and worm two (11) all is equipped with the screw thread sand grip, the screw thread of worm one (6) and worm two (11) is opposite in reverse.
3. The automatic positioning jig for precision machining according to claim 1, characterized in that: the inside of right sprocket (13) is provided with the connecting rod through the bearing rotation, and the surface fixed connection of connecting rod and processing platform (3).
4. The automatic positioning jig for precision machining according to claim 1, characterized in that: the positioning ring (5) is an annular component, and a threaded sleeve matched with the threaded convex strips of the first worm (6) and the second worm (11) is arranged inside the positioning ring (5).
5. The automatic positioning jig for precision machining according to claim 1, characterized in that: one end of the first worm (6) is fixedly provided with a first clamping block (17), the first clamping block (17) moves in the positioning ring (5), and an arc-shaped groove is formed in the surface of the first clamping block (17).
6. The automatic positioning jig for precision machining according to claim 1, characterized in that: one end of the second worm (11) is fixedly provided with a second clamping block (18), the second clamping block (18) moves in the positioning ring (5), and an arc-shaped groove is formed in the surface of the second clamping block (18).
CN202123358330.2U 2021-12-29 2021-12-29 Automatic positioning jig for precision machining Active CN216731701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123358330.2U CN216731701U (en) 2021-12-29 2021-12-29 Automatic positioning jig for precision machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123358330.2U CN216731701U (en) 2021-12-29 2021-12-29 Automatic positioning jig for precision machining

Publications (1)

Publication Number Publication Date
CN216731701U true CN216731701U (en) 2022-06-14

Family

ID=81938367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123358330.2U Active CN216731701U (en) 2021-12-29 2021-12-29 Automatic positioning jig for precision machining

Country Status (1)

Country Link
CN (1) CN216731701U (en)

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