CN117817386A

CN117817386A - Fixed mechanical clamp for machining

Info

Publication number: CN117817386A
Application number: CN202410161374.5A
Authority: CN
Inventors: 夏高峰; 于本海
Original assignee: Shanghai Institute of Technology
Current assignee: Shanghai Institute of Technology
Priority date: 2024-02-05
Filing date: 2024-02-05
Publication date: 2024-04-05

Abstract

The invention discloses a fixed mechanical clamp for machining, which comprises a box body, wherein the inside of the box body is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a driving gear, the top of the box body is rotationally connected with the outer side of a rotating sleeve, the outer side of the rotating sleeve is fixedly connected with a driven gear, the top of the rotating sleeve is fixedly connected with the bottom surface of a rotating box, a second motor is fixedly installed in the inside of the box body, the output end of the second motor is fixedly connected with a worm, the top of the worm is rotationally connected with the inside of the rotating box, and the inner wall of the rotating box is rotationally connected with two ends of a bidirectional screw rod. According to the invention, the problem that the machining angle of the workpiece cannot be adjusted by the fixed mechanical clamp is solved by rotating the sleeve, the driven gear, the rotating box, the worm, the bidirectional screw rod and the worm gear, the machining efficiency of the workpiece is improved, the labor capacity of workers is reduced, the workpieces with different heights can be clamped and fixed by the threaded rod, the hand wheel, the limiting rod, the clamping plate and the placing table, and the clamping stability is improved by replacing the matched clamping plate.

Description

Fixed mechanical clamp for machining

Technical Field

The invention relates to the technical field of machining, in particular to a fixed mechanical clamp for machining.

Background

The machining process is to change the shape, size, relative position, property, etc. of the blank directly by machining to form qualified part. The quality of parts and mechanical products is directly determined in the machining process, the cost and the productivity of the products are greatly influenced, and workpieces are required to be fixed by using a clamp in the machining process, so that the stability of the workpieces in the machining process is improved.

In the workpiece machining process, different angles are required to be machined, and most mechanical clamps cannot conveniently adjust the angle of the workpiece and cannot effectively rotate the workpiece, so that workers need to disassemble the workpiece and then readjust the position for fixing and machining again, and the machining efficiency of the workpiece is reduced.

Disclosure of Invention

The present invention is directed to a fixing mechanical fixture for machining, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fixed mechanical clamp for machining, includes the box, the inside fixed connection with motor of box, the output and the drive gear fixed connection of motor one, the box top rotates with the rotation sleeve outside to be connected, rotate sleeve outside and driven gear fixed connection, rotate sleeve top and rotation bottom of the case face fixed connection, the inside fixed mounting of box has motor two, the output and the worm fixed connection of motor two, the worm top rotates with the inside rotation of case portion to be connected, rotate case inner wall and two-way lead screw both ends rotation connection, two-way lead screw middle part and worm wheel fixed connection, two-way lead screw outside is provided with the movable plate, rotate case inner wall and guide bar both ends fixed connection, movable plate upper surface rotates with the threaded rod bottom to be connected, the threaded rod outside rotates with hand wheel fixed connection, movable plate upper surface and two symmetrical gag lever post fixed connection, the gag lever post outside is provided with splint, rotate case upper surface and place a fixed connection, the box outside and controller fixed connection.

Preferably, the top surface of the box body is rotationally connected with the outer side of the rotating sleeve through a bearing, and the bottom of the rotating sleeve extends to the inside of the box body to be fixedly connected with the outer side of the driven gear.

Preferably, the driving gear is engaged with the outer side of the driven gear, and the driven gear is located at the center of the box body.

Preferably, the top end of the worm penetrates through the inside of the rotating sleeve and is in rotating connection with the top surface of the rotating box, and the worm is in meshed connection with the outer side of the worm wheel.

Preferably, the side surface of the moving plate is in threaded connection with the outer side of the bidirectional screw rod through a threaded hole, the side surface of the moving plate is in sliding connection with the guide rod through a circular through hole, and the bidirectional screw rod and the guide rod are positioned on two sides of the moving plate.

Preferably, the screw hole and the circular through hole are arranged on the side surface of the clamping plate, the clamping plate is in threaded connection with the outer side of the threaded rod, the clamping plate is in sliding connection with the outer side of the limiting rod, the side surface of the clamping plate is fixedly bonded with the anti-slip pad, and the upper surface of the rotating box is provided with a sliding groove for the threaded rod and the limiting rod to move.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the workpiece can be clamped and fixed effectively and simultaneously the clamp can be rotated by arranging the rotating sleeve, the driven gear, the rotating box, the worm, the bidirectional screw rod, the worm wheel and the clamping plate, so that the problem that the machining angle of the workpiece cannot be adjusted by the fixed mechanical clamp is solved, a worker is not required to install and fix the workpiece again, the machining efficiency of the workpiece is improved, and the labor capacity of the worker is reduced.

2. The invention can adjust the height of the clamping plate by arranging the moving plate, the threaded rod, the hand wheel, the limiting rod, the clamping plate and the placing table, so that workpieces with different heights can be clamped and fixed, the fixing effect of the fixed mechanical clamp is enhanced, the unstable cause caused by the fact that the center of gravity of the higher workpiece is higher is avoided, meanwhile, the clamping plate can be disassembled by rotating the hand wheel, the matched clamping plate can be replaced according to the workpieces, and the clamping plate is also convenient to repair.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of the connection structure of the rotating case and the connection member of the present invention.

In the figure: 1. a case; 2. a first motor; 3. a drive gear; 4. rotating the sleeve; 5. a driven gear; 6. a rotating box; 7. a second motor; 8. a worm; 9. a two-way screw rod; 10. a worm wheel; 11. a moving plate; 12. a guide rod; 13. a threaded rod; 14. a hand wheel; 15. a limit rod; 16. a clamping plate; 17. a placement table; 18. and a controller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fixed mechanical clamp for machining, including box 1, box 1 inside is connected through the bolt fit with motor 2 bottom surfaces, box 1 bottom and four symmetrical support column welded fastening, the output of motor 2 passes through the shaft coupling and is connected with drive gear 3 one end cooperation, box 1 top is connected through bearing rotation with the rotation sleeve 4 outside, rotation sleeve 4 one end extends to box 1 inside and driven gear 5 welded fastening, driven gear 5 and drive gear 3 meshing are connected, rotation sleeve 4 top and rotation box 6 bottom surface welded fastening, box 1 inside is connected through the bolt fit with motor 7 bottom surfaces, the output of motor 7 passes through the shaft coupling and is connected with worm 8 one end cooperation, worm 8 top pass rotation sleeve 4 in with rotation box 6 top surface pass through the bearing rotation and be connected, worm 8 is located the central point of rotation box 6, rotation box 6 inner wall and two ends pass through bearing rotation to be connected with two-way lead screw 9, two-way lead screw 9 middle part and worm wheel 10 welded fastening, 10 and worm 8 meshing are connected, two-way lead screw 9 outside is provided with movable plate 11, rotation box 6 inner wall and guide bar 12 both ends welded fastening, surface 13 on the movable plate 11 and worm wheel 13 are connected with the rotation box 8, two side surface 13 and two side fixed connection limit plate and two limit lever 16 welded fastening, the fixed connection 13 on the rotation box 13 and the outer side of limit plate 16, the fixed surface is placed on the side of rotation box is fixed surface of the limit plate is connected with the limit plate 15, the fixed surface of the limit plate is connected with the limit plate 15 on the side of the limit plate is fixed surface of the limit device is connected with the limit device 15 on the side of the limit device is fixed with the limit device is connected with the limit device 15.

The top surface of the box body 1 is rotationally connected with the outer side of the rotating sleeve 4 through a bearing, and the bottom of the rotating sleeve 4 extends to the inside of the box body 1 and is fixedly connected with the outer side of the driven gear 5. The first driving motor 2 is used for enabling the driving gear 3 to rotate, the driven gear 5 is driven by the driving gear 3 to synchronously rotate with the rotating sleeve 4, the rotating box 6 and the workpiece are further enabled to rotate, the workpiece on the upper surface of the placing table 17 is enabled to achieve angle adjustment, machining of different positions of the workpiece is facilitated, the driving gear 3 is meshed with the outer side of the driven gear 5, and the driven gear 5 is located in the center of the box body 1. The top end of the worm 8 penetrates through the inside of the rotating sleeve 4 to be in rotary connection with the top surface of the rotating box 6, and the worm 8 is in meshed connection with the outer side of the worm wheel 10. The worm 8 is enabled to rotate through the driving motor II 7, the bidirectional screw rod 9 and the worm wheel 10 are driven to synchronously rotate through the worm 8, so that the moving plates 11 on two sides synchronously move to the placing table 17 until the workpiece is clamped and fixed, the side surfaces of the moving plates 11 are in threaded connection with the outer sides of the bidirectional screw rod 9 through threaded holes, the side surfaces of the moving plates 11 are in sliding connection with the guide rods 12 through round through holes, and the bidirectional screw rod 9 and the guide rods 12 are located on two sides of the moving plates 11. The side of the clamping plate 16 is provided with a threaded hole and a circular through hole, the clamping plate 16 is in threaded connection with the outer side of the threaded rod 13, the clamping plate 16 is in sliding connection with the outer side of the limiting rod 15, the side of the clamping plate 16 is fixedly bonded with the anti-slip pad, and the upper surface of the rotating box 6 is provided with a sliding groove for the threaded rod 13 and the limiting rod 15 to move. The hand wheel 14 is manually rotated to enable the threaded rod 13 to rotate, so that the clamping plate 16 moves up and down under the limiting action of the limiting rod 15 until the clamping plate 16 is adjusted to a position matched with the height of a workpiece, the clamping plate 16 can be taken out of the threaded rod 13 through rotating the hand wheel 14, and the clamping plate 16 matched with the shape of the workpiece is replaced for clamping and fixing.

Working principle: when a worker uses the device, a workpiece is placed on the upper surface of the placing table 17, then the second driving motor 7 drives the worm 8 to rotate, the worm 8 drives the bidirectional screw rod 9 and the worm wheel 10 to synchronously rotate, so that the moving plates 11 on two sides synchronously move towards the placing table 17 until the workpiece is clamped and fixed, when the workpiece is required to rotate, the first driving motor 2 drives the driving gear 3 to rotate, and the driving gear 3 drives the driven gear 5 and the rotating sleeve 4 to synchronously rotate, so that the rotating box 6 and the workpiece rotate, and the labor capacity of the worker is reduced; when the workpiece with higher height needs to be clamped, the hand wheel 14 is rotated to enable the threaded rod 13 to rotate, and the clamping plate 16 is further enabled to conduct lifting adjustment on the outer side of the limiting rod 15, so that the workpiece is fixed with better stability.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed mechanical clamp for machining, includes box (1), its characterized in that: the utility model discloses a limit clamp for the automatic transmission of the automobile, which is characterized in that the inside of a box body (1) is fixedly connected with a motor I (2), the output end of the motor I (2) is fixedly connected with a driving gear (3), the top of the box body (1) is rotationally connected with the outer side of a rotating sleeve (4), the outer side of the rotating sleeve (4) is fixedly connected with a driven gear (5), the top of the rotating sleeve (4) is fixedly connected with the bottom surface of a rotating box (6), a motor II (7) is fixedly arranged in the box body (1), the output end of the motor II (7) is fixedly connected with a worm (8), the top of the worm (8) is rotationally connected with the inside of the rotating box (6), the inner wall of the rotating box (6) is rotationally connected with two ends of a worm wheel (10), a moving plate (11) is arranged on the outer side of the rotating box (6), the inner wall of the rotating box (6) is fixedly connected with two ends of a guide rod (12), the upper surface of the moving plate (11) is rotationally connected with the bottom of a threaded rod (13), the outer side of the worm (13) is fixedly connected with two limit clamps (15) and the two limit clamps (15) are fixedly connected with the outer sides (15), the upper surface of the rotating box (6) is fixedly connected with the placing table (17), and the outer side of the box body (1) is fixedly connected with the controller (18).

2. A fixing mechanical jig for machining according to claim 1, wherein: the top surface of the box body (1) is rotationally connected with the outer side of the rotating sleeve (4) through a bearing, and the bottom of the rotating sleeve (4) extends to the inside of the box body (1) and is fixedly connected with the outer side of the driven gear (5).

3. A fixing mechanical jig for machining according to claim 1, wherein: the driving gear (3) is connected with the outer side of the driven gear (5) in a meshed mode, and the driven gear (5) is located at the center of the box body (1).

4. A fixing mechanical jig for machining according to claim 1, wherein: the top end of the worm (8) penetrates through the inside of the rotating sleeve (4) to be in rotating connection with the top surface of the rotating box (6), and the worm (8) is in meshed connection with the outer side of the worm wheel (10).

5. A fixing mechanical jig for machining according to claim 1, wherein: the side of the moving plate (11) is in threaded connection with the outer side of the bidirectional screw rod (9) through a threaded hole, the side of the moving plate (11) is in sliding connection with the guide rod (12) through a circular through hole, and the bidirectional screw rod (9) and the guide rod (12) are positioned on two sides of the moving plate (11).

6. A fixing mechanical jig for machining according to claim 1, wherein: screw holes and circular through holes are formed in the side faces of the clamping plates (16), the clamping plates (16) are in threaded connection with the outer sides of the threaded rods (13), the clamping plates (16) are in sliding connection with the outer sides of the limiting rods (15), the side faces of the clamping plates (16) are fixedly bonded with the anti-slip pads, and sliding grooves for the movement of the threaded rods (13) and the limiting rods (15) are formed in the upper surface of the rotating box (6).