Fixture for screw machining

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp for screw machining, which is characterized in that an empty groove is formed in the middle of a machining table, a detachable bottom plate is arranged at the lower end of the machining table, a magnetic attraction block is fixedly arranged at the upper end of the bottom plate, and the magnetic attraction block is positioned in the empty groove; two clamping assemblies are arranged at the upper end of the machining table and are symmetrical to the empty groove, each clamping assembly comprises a propeller and a clamping plate, the propellers are fixed to the upper end of the machining table, magnetic attraction blocks can attract the bottom ends of screws, the bottom ends of the screws can be conveniently positioned above the empty groove, and at the moment, the screws do not need to be held by hands manually; and the clamping efficiency of the screw can be improved, so that the machining efficiency of the screw can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp for screw processing. Background Art

[0002] As we all know, screws are tools that use the physical and mathematical principles of the circular rotation of the inclined surface of an object and the friction force to gradually fasten objects and parts. Screws are a common term for fasteners and a daily colloquialism. Screws are an indispensable industrial necessity in daily life.

[0003] During the processing of the screws, they need to be clamped. When using the existing clamps, it is not convenient to initially position the screws, which will reduce the clamping efficiency of the screws and thus reduce the processing efficiency of the screws. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a clamp for screw processing.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp for screw processing, comprising a processing table, a hollow slot is provided in the middle part of the processing table, a detachable bottom plate is provided at the lower end of the processing table, a magnetic block is fixedly arranged at the upper end of the bottom plate, the magnetic block is located inside the hollow slot, two clamping assemblies are symmetrically arranged in the hollow slot at the upper end of the processing table, the clamping assembly comprises a pusher and a clamping plate, the pusher is fixed to the upper end of the processing table, a fixed seat is provided at the output end of the pusher, a positioning slot is provided inside the pusher, a clamping slot is provided on the inner wall of the positioning slot, a positioning block inserted into the positioning slot is provided on the clamping plate, a cavity is provided inside the positioning block, a spring is provided inside the cavity, and a clamping block matching the clamping slot is provided at one end of the spring.

[0008] In order to facilitate the installation of the clamping plate, the present invention is improved in that the clamping block and the clamping slot are both of trapezoidal structure.

[0009] In order to facilitate the disassembly of the clamping plate, the utility model is improved in that a screw is provided on one side of the fixing seat, the screw passes through the slot, and the screw is threadedly connected to the fixing seat.

[0010] In order to improve the stability of the clamping plate when in use, the utility model has the following improvements: positioning plates are provided on both sides of the clamping plate, a plurality of slide grooves are provided on both sides of the empty groove, and a slider matching the slide groove is provided at the lower end of the positioning plate.

[0011] In order to improve the practicability of the structure, the utility model has the following improvements: the propeller adopts a cylinder.

[0012] Furthermore, the improvement of the utility model is that the clamping plate is made of metal.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a clamp for screw processing, which has the following beneficial effects:

[0015] The magnetic block of the screw processing fixture can attract the bottom end of the screw, so that the bottom end of the screw can be easily positioned above the empty slot. At this time, it is not necessary to manually hold the screw, which can improve the clamping efficiency of the screw, thereby improving the processing efficiency of the screw.

[0016] Through the cooperation of the clamping block and the clamping slot, the positioning block can be fixed in the positioning slot, and the clamping plate can be installed more firmly on the fixing seat, and a pulling force is provided to the clamping plate. When the pulling force is greater than the elastic force of the spring, the positioning block can be pulled out from the inside of the positioning slot, so that the clamping plate can be replaced conveniently, and the structure can be used to clamp screws of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model Figure 3 ;

[0020] Figure 4 This is a schematic diagram of the matching structure of the positioning block and the positioning groove in the utility model;

[0021] In the figure: 1, processing table; 2, empty slot; 3, magnetic block; 4, bottom plate; 5, handle; 6, pusher; 7, clamping plate; 8, positioning plate; 9, slide groove; 10, fixing seat; 11, screw; 12, positioning slot; 13, positioning block; 14, clamping slot; 15, clamping block; 16, spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model is a fixture for screw processing, comprising a processing table 1, a hollow slot 2 is provided in the middle part of the processing table 1, a detachable bottom plate 4 is provided at the lower end of the processing table 1, a magnetic block 3 is fixedly provided at the upper end of the bottom plate 4, and the magnetic block 3 is located inside the hollow slot 2, two clamping assemblies are provided symmetrically to the hollow slot 2 at the upper end of the processing table 1, and the clamping assembly comprises a propeller 6 and a clamping plate 7, the propeller 6 is fixed at the upper end of the processing table 1, a fixing seat 10 is provided at the output end of the propeller 6, a positioning slot 12 is provided inside the propeller 6, and a card slot 1 is provided on the inner wall of the positioning slot 12 4, the clamping plate 7 is provided with a positioning block 13 inserted into the positioning groove 12, the positioning block 13 is provided with a cavity inside, the cavity is provided with a spring 16, one end of the spring 16 is provided with a clamping block 15 matched with the clamping groove 14, the screw is placed on the upper end of the processing table 1, the magnetic block 3 can attract the bottom end of the screw, so that the bottom end of the screw can be easily positioned above the empty groove 2, at this time, there is no need to manually hold the screw, the clamping efficiency of the screw can be improved, and thus the processing efficiency of the screw can be improved, the bottom plate 4 can be fixed to the lower end of the processing table 1 by screws, and the magnetic block 3 can be replaced after the bottom plate 4 is disassembled;

[0024] Start the pusher 6. At this time, the two clamping plates 7 can clamp the bottom end of the screw, which can improve the stability of the screw during processing. The screw can be polished on the processing table 1. Through the cooperation of the clamping block 15 and the clamping groove 14, the positioning block 13 can be fixed in the positioning groove 12, and the clamping plate 7 can be installed more firmly on the fixing seat 10. A pulling force is provided to the clamping plate 7. When the pulling force is greater than the elastic force of the spring 16, the positioning block 13 can be pulled out from the inside of the positioning groove 12, which is convenient for replacing the clamping plate 7 and making it convenient for the structure to clamp screws of different sizes.

[0025] Furthermore, the clamping block 15 and the clamping slot 14 are both trapezoidal structures, which can facilitate the insertion of the positioning block 13 into the positioning slot 12 .

[0026] When the elastic force of the spring 16 is too large, it will be difficult to pull the positioning block 13 out of the positioning groove 12. A screw 11 is provided on one side of the fixing seat 10. The screw 11 passes through the card slot 14. The screw 11 is threadedly connected to the fixing seat 10. By rotating the screw 11, one end of the screw 11 can push a portion of the card block 15 out of the card slot 14, so that the positioning block 13 can be easily pulled out from the inside of the positioning groove 12.

[0027] The lack of a guiding structure between the clamping plate 7 and the processing table 1 will affect the stability of the clamping plate 7 when it moves. Positioning plates 8 are provided on both sides of the clamping plate 7, and multiple slide grooves 9 are provided on both sides of the empty groove 2. The lower end of the positioning plate 8 is provided with a slider that cooperates with the slide groove 9. When the clamping plate 7 moves, the slider will move inside the slide groove 9, which can provide a guiding structure between the clamping plate 7 and the processing table 1, and can improve the stability of the clamping plate 7 when it moves.

[0028] In this structure, the propeller 6 can be a cylinder, and the clamping plate 7 is made of metal.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for screw processing, comprising a processing table (1), characterized in that: The middle part of the processing table (1) is provided with an empty slot (2), the lower end of the processing table (1) is provided with a detachable bottom plate (4), the upper end of the bottom plate (4) is fixedly provided with a magnetic attraction block (3), the magnetic attraction block (3) is located inside the empty slot (2), the upper end of the processing table (1) is symmetrically provided with two clamping assemblies in the empty slot (2), the clamping assemblies include a propeller (6) and a clamping plate (7), the propeller (6) is fixed at the upper end of the processing table (1), the A fixing seat (10) is provided at the output end of the propeller (6), a positioning groove (12) is provided inside the propeller (6), a clamping groove (14) is provided on the inner wall of the positioning groove (12), a positioning block (13) inserted into the positioning groove (12) is provided on the clamping plate (7), a cavity is provided inside the positioning block (13), a spring (16) is provided inside the cavity, and a clamping block (15) matching the clamping groove (14) is provided at one end of the spring (16).

2. A screw processing fixture according to claim 1, characterized in that: The card block (15) and the card slot (14) are both trapezoidal structures.

3. A screw processing fixture according to claim 2, characterized in that: A screw rod (11) is provided on one side of the fixing seat (10), the screw rod (11) passes through the clamping groove (14), and the screw rod (11) is threadedly connected to the fixing seat (10).

4. A screw processing fixture according to claim 3, characterized in that: Positioning plates (8) are provided on both sides of the clamping plate (7), a plurality of sliding grooves (9) are provided on both sides of the empty slot (2), and a sliding block cooperating with the sliding groove (9) is provided at the lower end of the positioning plate (8).

5. A screw processing fixture according to claim 4, characterized in that: The propeller (6) is a cylinder.

6. A screw processing fixture according to claim 5, characterized in that: The clamping plate (7) is made of metal.

Images