CN219617194U - Clamp for machining - Google Patents

Abstract

The utility model relates to the technical field of clamping of workpieces, and discloses a clamp for machining, which comprises a base, wherein the right end of the base is fixedly connected with a motor, the output end of the motor is fixedly connected with a bidirectional threaded rod, the external thread of the bidirectional threaded rod is connected with two connecting blocks, the front side of the inside of each connecting block is provided with a limiting groove, the inside of each limiting groove is slidably connected with a pull rod, the outside of each pull rod is provided with a spring, and the rear end of each spring is fixedly connected with a limiting block. According to the utility model, through the cooperation between the structures such as the limit groove and the pull rod, the angle of the workpiece is adjusted, so that the requirement on multi-angle processing of the workpiece can be met, the processing efficiency and effect are improved, and through the cooperation between the structures such as the bolt and the thread groove, when the workpieces of different types are processed, only the clamping blocks are required to be replaced, and other equipment is not required, so that the processing cost is reduced.

Description

A jig for machining

technical field

The utility model relates to the technical field of workpiece clamping, in particular to a clamp for machining.

Background technique

The machining fixture is also called the machining positioning device, which can conveniently process the workpiece by clamping and fixing the workpiece. In a broad sense, any process in the process, the device used to install the product quickly, conveniently and safely, can be called a machining fixture.

The existing clamps for machining generally start the motor to rotate, thereby driving the two-way threaded rod to rotate, and then driving the two connecting blocks to move to the adjacent side, so that the clamping block can clamp the workpiece. However, there are still the following: Insufficient, first, in the process of processing the workpiece, it needs to be processed at multiple angles. The existing technology is not convenient for angle adjustment during clamping, which will affect the processing efficiency and processing effect. Second, the clamping block and the connecting block Most of them are integrated, so that one fixture cannot meet the processing requirements of multiple types of workpieces. Therefore, when producing different types of workpieces, different types of fixtures need to be used, which makes the processing cost higher. For this reason, those skilled in the art now A fixture for machining is proposed to solve the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a clamp for machining.

In order to achieve the above object, the utility model adopts the following technical scheme: a fixture for machining, including a base, the right end of the base is fixedly connected with a motor, and the output end of the motor is fixedly connected with a two-way threaded rod, Two connecting blocks are threaded on the outside of the two-way threaded rod, and a limiting groove is arranged on the inner front side of the connecting block, and a pull rod is slidably connected to the inside of the limiting groove, and a spring is arranged on the outside of the pulling rod, so that The rear end of the spring is fixedly connected with a limit block, the rear end of the limit block is fixedly connected with a block, the inner rear side of the base is provided with a mounting groove, and the inside of the mounting groove is rotatably connected with a rotating shaft. The outside of the rotating shaft is fixedly connected with the first gear, the inside of the installation groove is connected with the second gear in rotation, the inside of the rotating shaft is slidably connected with connecting columns, and the adjacent sides of the two connecting columns are fixedly connected with clamping blocks .

As a further description of the above technical solution:

A sleeve is slidably connected to the inner upper side of the rotating shaft, and a thread groove is provided inside the sleeve, and a bolt is threaded inside the thread groove, and the outside of the sleeve is slidably connected to the inside of the connecting column.

As a further description of the above technical solution:

The outside of the two-way threaded rod is rotatably connected to the inside of the base, and the outside of the connecting block is slidably connected to the inside of the base.

As a further description of the above technical solution:

The rear end of the pull rod is fixedly connected to a limit block, and the outside of the limit block is slidably connected to the inside of the limit groove.

As a further description of the above technical solution:

The other end of the spring is fixedly connected to the inside of the limiting groove, and the outside of the locking block is engaged with the outside of the first gear.

As a further description of the above technical solution:

The exterior of the first gear is engaged with the exterior of the second gear.

As a further description of the above technical solution:

A handle is fixedly connected to the rear end of the second gear, and the outside of the handle is slidably connected to the inside of the installation groove.

The utility model has the following beneficial effects:

1. In the utility model, through the cooperative use of structures such as limit slots, pull rods, springs, limit blocks, and clamping blocks, it is possible to conveniently adjust the angle of the workpiece clamped by the clamp block, thereby satisfying the requirements for the workpiece. The demand for multi-angle processing improves the processing efficiency and effect.

2. In the utility model, through the cooperative use of bolts, thread grooves, sleeves, connecting blocks and other structures, the clamping block can be replaced conveniently, so that when processing different types of workpieces, only the clamping block needs to be replaced , and thus do not need to use other equipment, thereby reducing the processing cost.

Description of drawings

Fig. 1 is the three-dimensional view of a kind of fixture that is used for mechanical processing that the utility model proposes;

Fig. 2 is a top view of a clamp used for mechanical processing proposed by the utility model;

Fig. 3 is a schematic diagram of the structure of the first gear of a fixture for mechanical processing proposed by the present invention;

Fig. 4 is a schematic diagram of a bolt structure of a fixture for machining proposed by the present invention.

illustration:

1. Base; 2. Motor; 3. Two-way threaded rod; 4. Connecting block; 5. Limiting groove; 6. Pull rod; 7. Spring; 8. Limiting block; 12. First gear; 13. Second gear; 14. Sleeve; 15. Thread groove; 16. Bolt; 17. Connecting column; 18. Clamp block; 19. Handle.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Figures 1-4, an embodiment provided by the utility model: a clamp for machining, including a base 1, the base 1 supports and limits the internal bidirectional threaded rod 3, the right end of the base 1 The motor 2 is fixedly connected, and the output end of the motor 2 is fixedly connected with a two-way threaded rod 3. The external thread of the two-way threaded rod 3 is connected with two connecting blocks 4. By rotating the two-way threaded rod 3, the two connecting blocks 4 are brought close together. Or move away from one side, the inner front side of the connecting block 4 is provided with a limiting groove 5, the limiting groove 5 plays a limiting effect on the inner spring 7, and the inside of the limiting groove 5 is slidingly connected with a pull rod 6, and the pulling rod 6 is directly on the The inside of the limit groove 5 slides, and the outside of the pull rod 6 is provided with a spring 7. The pull rod 6 acts as a limit to the spring 7. The rear end of the spring 7 is fixedly connected to the limit block 8. By moving the limit block 8, the squeeze The spring 7 produces elastic deformation, and the rear end of the limit block 8 is fixedly connected with a block 9. By moving the limit block 8, the block 9 can be driven to move, and the block 9 acts as a limit to the first gear 12. The base 1 is provided with a mounting groove 10 on the inner rear side, and the mounting groove 10 plays a position-limiting role on the internal first gear 12 and other structures. The internal rotation of the mounting groove 10 is connected with a rotating shaft 11, and the rotating shaft 11 directly rotates in the mounting groove 10. The outside of the rotating shaft 11 is fixedly connected with the first gear 12. By rotating the first gear 12, the rotating shaft 11 is driven to rotate. The inside of the installation groove 10 is connected with the second gear 13. By rotating the second gear 13, the first gear is driven. 12 rotation, used in conjunction with the clamping block 9, so that the angle of the workpiece clamped by the clamping block 18 can be adjusted conveniently, so as to meet the requirements for multi-angle processing of the workpiece, thereby improving the processing efficiency and effect. The internal sliding connection of the rotating shaft 11 There are connecting columns 17, which slide directly inside the rotating shaft 11. The connecting columns 17 are square, and can be more stable when the rotating shaft 11 is rotating. The adjacent sides of the two connecting columns 17 are fixedly connected with clamping blocks 18. The block 18 is able to rotate following the shaft 11 .

The inner upper side of the rotating shaft 11 is slidingly connected with a sleeve 14. The sleeve 14 is arranged in a square shape and can only slide inside the rotating shaft 11. The inside of the sleeve 14 is provided with a threaded groove 15, and the threaded groove 15 acts as a limit to the bolt 16. The internal thread of the thread groove 15 is connected with the bolt 16, and the bolt 16 is rotated to cooperate with the sleeve 14, so that the clamping block 18 can be replaced conveniently, so that when processing different types of workpieces, only the clamping block needs to be replaced 18, and then do not need to use other equipment, thereby reducing the processing cost, the outside of the sleeve 14 is slidingly connected with the inside of the connecting column 17, the sleeve 14 acts as a limiter for the connecting column 17, so that the position of the connecting column 17 can be fixed, the outside of the two-way threaded rod 3 is rotationally connected to the inside of the base 1, the two-way threaded rod 3 directly rotates inside the base 1, the outside of the connecting block 4 is slidingly connected to the inside of the base 1, and the base 1 plays a role in connecting the connecting block 4 Limiting effect, the rear end of the pull rod 6 is fixedly connected to the limit block 8, and the limit block 8 is driven to move by pulling the pull rod 6. The outside of the limit block 8 is slidingly connected with the inside of the limit groove 5, and the limit block 8 directly Sliding inside the limiting groove 5, the other end of the spring 7 is fixedly connected with the inside of the limiting groove 5, so that the limiting block 8 can squeeze the spring 7 to produce elastic deformation, and the outside of the clamping block 9 and the outside of the first gear 12 Engage with each other, so that the position of the first gear 12 can be fixed, the outside of the first gear 12 is meshed with the outside of the second gear 13, and by rotating the second gear 13, the first gear 12 is driven to rotate, and the second gear 13 The rear end of the handle 19 is fixedly connected with the handle 19. By turning the handle 19, the second gear 13 is driven to rotate.

Working principle: When it is necessary to adjust the angle of the workpiece, the pull rod 6 is pulled forward to drive the limit block 8 to move forward and squeeze the spring 7 to produce elastic deformation, and then drive the block 9 to separate from the first gear 12, At this time, the second gear 13 is rotated, thereby driving the first gear 12 to rotate, and then driving the rotating shaft 11 to rotate, thereby driving the connecting column 17 to rotate, so that the clamp block 18 can be adjusted in angle. 6, so that the spring 7 can make a reset movement, thereby pushing the limit block 8 to move backward, and then pushing the clamp block 9 to engage with the first gear 12, so that the adjusted angle can be fixed, so that it can meet the requirements for multiple workpieces. The demand for angle processing improves the processing efficiency and effect. When the clamp block 18 needs to be replaced, the bolt 16 is rotated to disengage the bolt 16 from the inside of the thread groove 15, and then the sleeve 14 is pulled upward, so that the sleeve 14 The connecting column 17 is separated from the inside of the rotating shaft 11, so that the two clamping blocks 18 are pulled to the adjacent side, so that the clamping block 18 is conveniently disassembled, and then the connecting column 17 outside the clamping block 18 of other types is slid into the rotating shaft 11, under the same principle, reverse operation, so that the clamp block 18 can be replaced conveniently, so that when processing different types of workpieces, only the clamp block 18 needs to be replaced, and no other equipment is needed, thereby reducing the processing cost. cost.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (7)

1. A fixture for mechanical processing, comprising a base (1), characterized in that: the right end of the base (1) is fixedly connected with a motor (2), and the output end of the motor (2) is fixedly connected with a A two-way threaded rod (3), the external thread of the two-way threaded rod (3) is connected with two connecting blocks (4), and the inner front side of the connecting block (4) is provided with a limit groove (5), the limit The inside of the slot (5) is slidingly connected with a pull rod (6), and the outside of the pull rod (6) is provided with a spring (7), and the rear end of the spring (7) is fixedly connected with a limit block (8). The rear end of the limit block (8) is fixedly connected with a block (9), and the inner rear side of the base (1) is provided with a mounting groove (10), and the inside of the mounting groove (10) is rotatably connected with a rotating shaft ( 11), the outside of the rotating shaft (11) is fixedly connected with a first gear (12), the inside of the installation groove (10) is connected with a second gear (13) for rotation, and the inside of the rotating shaft (11) is slidingly connected There are connecting columns (17), and clamping blocks (18) are fixedly connected to adjacent sides of the two connecting columns (17). 2. A clamp for machining according to claim 1, characterized in that: a sleeve (14) is slidably connected to the inner upper side of the rotating shaft (11), and a sleeve (14) of the sleeve (14) A thread groove (15) is arranged inside, and a bolt (16) is threadedly connected to the inside of the thread groove (15), and the outside of the sleeve (14) is slidingly connected to the inside of the connecting column (17). 3. A fixture for machining according to claim 1, characterized in that: the outside of the two-way threaded rod (3) is rotationally connected to the inside of the base (1), and the connecting block (4) The outside of the base (1) is slidingly connected with the inside. 4. A clamp for machining according to claim 1, characterized in that: the rear end of the pull rod (6) is fixedly connected to a limit block (8), and the limit block (8) The outside is slidingly connected with the inside of the limiting groove (5). 5. A fixture for machining according to claim 1, characterized in that: the other end of the spring (7) is fixedly connected to the inside of the limiting groove (5), and the clamping block (9 ) is engaged with the outside of the first gear (12). 6. A jig for machining according to claim 1, characterized in that: the outside of the first gear (12) is engaged with the outside of the second gear (13). 7. A clamp for machining according to claim 1, characterized in that: a handle (19) is fixedly connected to the rear end of the second gear (13), and the outside of the handle (19) Sliding connection with the inside of the mounting groove (10).