Tool clamp for screw locking machine

By designing spring-driven clamps in screw lock machine tool fixtures, the problems of difficulty in clamping curved screws and complex repairs are solved, achieving a wider applicability and simplified maintenance process.

CN222873816UActive Publication Date: 2025-05-16DONGGUAN ENDON ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421664125.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-05-16
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The existing screw lock machine tool clamps are difficult to effectively clamp curved screws or bolts, and the complex structure leads to cumbersome maintenance, disassembly and assembly.

Method used

A tooling fixture including a base and a collet assembly is designed to fit the clamps into screws of different shapes through the compression of the spring, simplifying the disassembly and assembly process.

Benefits of technology

The applicable surface of tooling fixtures has been expanded, the clamping capacity of screws of different shapes has been enhanced, and the convenience of maintenance has been significantly improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tool clamp for a screw locking machine, which is characterized in that the top of a base is provided with a sliding groove, a sliding plate is matched in the sliding groove, the top end of the sliding plate is fixedly connected with a cover plate, the outer surface of the sliding plate is fixedly connected with an electric push rod, the electric push rod is provided with a fixing block, and the outer surface of the cover plate is fixedly connected with a hook. A lock catch is fixedly connected to the outer surface of the base, the chuck assembly comprises a fixing block, a groove is formed in the fixing block, and a spring is fixedly connected into the groove. The clamping blocks are extruded according to the clamping surfaces of the screws or the bolts, so that the springs are compressed to different degrees, the generated reverse acting force better pushes the clamping blocks to be attached to the screws of different shapes, the application range of the tool clamp is effectively enlarged, practicability is enhanced, the lock catch is manually pulled to be separated from the hook, the cover plate is manually taken down, and the clamping blocks are conveniently and rapidly detached. Therefore, the sliding plate is separated from the sliding groove, the electric push rod and the chuck assembly are taken down at the same time, the disassembly and assembly process is very simple and convenient, and maintenance convenience is improved.
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Description

Technical Field

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

[0002] A screw locking machine is a device used for automated screw locking. It is mainly used to quickly and accurately lock or tighten screws to a predetermined position. For example, during the assembly process of electronic products, mechanical equipment, furniture, etc., it can automatically complete the actions of screw grabbing, positioning, and locking, reducing manual operations and improving production efficiency. For the screw locking work, tooling fixtures are required.

[0003] The existing authorized Chinese utility model patent, publication number: CN221111405U, discloses a tooling fixture for a screw locking machine, including a guide plate, a fixture body, a guide rod and a limit plate, the two ends of the fixture body are connected to the guide rod by sliding through a first guide ear, a clamping opening is provided in the middle of the top of the fixture body, the middle of the bottom of the fixture body is connected to the guide plate, the two ends of the guide plate are connected to the limit plate, and the fixture body is connected to the processing table of the screw locking machine through the limit plate. The utility model has a clamping opening in the middle of the fixture body, and a clamp controlled by an electric push rod is provided in the clamping opening, and four-direction clamps are provided, so that the workpiece can be clamped and fixed in four directions, which is more flexible to use and can meet the fixation of workpieces of different shapes, and the four-direction fixation is more firm; first guide ears are provided on both sides of the fixture body, and the first guide ears can be connected to the guide rod by sliding, and a second guide ear is provided in the middle of the bottom end of the fixture body, and the bottom of the fixture body can be connected to the guide plate through a guide groove. In the process of implementing the solution, the inventors found that the following problems existed in the prior art and have not been well solved: 1. First, only screws or bolts with flat surfaces can be clamped, and the clamping of curved surfaces is prone to deviation, which may cause assembly failure of the screws or bolts; 2. Its structural design is relatively complex. During maintenance and disassembly work, the disassembly and assembly process is relatively cumbersome, which requires a lot of time and energy of the workers, reducing the convenience of maintenance of existing tooling fixtures. Utility Model Content

[0004] The utility model provides a tooling fixture for a screw locking machine, which compresses a spring to different degrees by squeezing a clamping block according to the clamping surface of a screw or a bolt. The generated reverse force better pushes the clamping block to fit screws of different shapes, effectively expanding the application surface of the tooling fixture and enhancing its practicability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tooling fixture for a screw locking machine, comprising a base and a chuck assembly:

[0007] A slide groove is provided on the top of the base, a slide plate is provided in the slide groove, a cover plate is fixedly connected to the top of the slide plate, an electric push rod is fixedly connected to the outer surface of the slide plate, a fixing block is provided on the electric push rod, a hook is fixedly connected to the outer surface of the cover plate, and a lock buckle is fixedly connected to the outer surface of the base;

[0008] The clamping head assembly comprises a fixed block, a groove is provided on the fixed block, a spring is fixedly connected in the groove, a sliding block is fixedly connected to one end of the spring, and a clamping block is fixedly connected to the outer surface of the sliding block.

[0009] Preferably, a mounting block is fixedly connected to the outer surface of the base, and a mounting opening is formed on the mounting block.

[0010] Preferably, there are two mounting blocks, and the two mounting blocks are symmetrically distributed about the base.

[0011] Preferably, a circular ring is fixedly connected to the center of the base.

[0012] Preferably, the spring and the slider are both fitted inside the groove.

[0013] Preferably, the number of the electric push rods and the number of the chuck assemblies are both eight, and the eight electric push rods and the eight chuck assemblies are distributed around the circumference of the ring.

[0014] The utility model has the following beneficial effects:

[0015] 1. The clamping block is squeezed according to the clamping surface of the screw or bolt, so that the spring is compressed to different degrees. The generated reverse force can better push the clamping block to fit screws of different shapes, effectively expanding the application surface of the fixture and enhancing its practicality.

[0016] 2. Manually pull the lock to separate the hook and remove the cover plate, so that the slide plate is separated from the slide slot, and the electric push rod and chuck assembly are removed at the same time. The disassembly and assembly process is very simple and convenient, which greatly improves the convenience of maintenance of this fixture. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram of the top cross-sectional structure of the fixture of the utility model;

[0019] Figure 3 It is a schematic diagram of the back cross-sectional structure of the fixture of the utility model;

[0020] Figure 4 For the utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 5 It is a structural schematic diagram of the chuck assembly of the utility model;

[0022] Figure 6 It is a cross-sectional structural schematic diagram of the chuck assembly of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the spring, the sliding block and the clamping block of the utility model.

[0024] In the figure: 1. base; 2. slide plate; 3. cover plate; 4. electric push rod; 5. chuck assembly; 501. fixing block; 502. spring; 503. slide block; 504. clamping block; 6. ring; 7. hook; 8. lock; 9. mounting block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Reference Figure 1-7 A tooling fixture for a screw locking machine is used on the screw locking machine to facilitate the clamping of the corresponding screws.

[0027] It includes a base 1 and a chuck assembly 5: the tooling fixture is fixed to a specified position of a screw locking machine by cooperating with corresponding fasteners with mounting openings on a mounting block 9 on the base 1; the chuck assembly 5 is fitted to screws of different shapes for clamping; and the chuck assembly 5 is arranged as a whole on the inner side of the base 1.

[0028] A slide groove is provided on the top of the base 1, and a slide plate 2 is matched in the slide groove. A cover plate 3 is fixedly connected to the top of the slide plate 2, and an electric push rod 4 is fixedly connected to the outer surface of the slide plate 2. A fixing block 501 is arranged on the electric push rod 4. A circular ring 6 is fixedly connected to the center of the base 1. There are eight electric push rods 4 and eight chuck assemblies 5, and the eight electric push rods 4 and the eight chuck assemblies 5 are distributed around the circumference of the circular ring 6. A hook 7 is fixedly connected to the outer surface of the cover plate 3, and a lock buckle 8 is fixedly connected to the outer surface of the base 1. A mounting block 9 is fixedly connected to the outer surface of the base 1, and a mounting port is provided on the mounting block 9. There are two mounting blocks 9, and the two mounting blocks 9 are symmetrically distributed about the base 1.

[0029] During installation, it is only necessary to cooperate with the mounting opening on the mounting block 9 through the corresponding fasteners to fix the fixture in the specified position of the screw locking machine. When disassembly and maintenance work is required, it is only necessary to manually pull the lock buckle 8 to separate the hook 7 and remove the cover plate 3, so that the slide plate 2 is separated from the slide groove, and the electric push rod 4 and the chuck assembly 5 are removed at the same time. The disassembly and assembly process is very simple and convenient, which greatly improves the convenience of maintenance of the fixture.

[0030] The chuck assembly 5 includes a fixed block 501, which has a groove, a spring 502 fixedly connected in the groove, a slider 503 fixedly connected at one end of the spring 502, the spring 502 and the slider 503 both fit inside the groove, a clamping block 504 is fixedly connected on the outer surface of the slider 503, and the bottom end surface of the fixed block 501 overlaps the surface of the base 1.

[0031] When clamping, the top of the screw or bolt is placed inside the ring 6, and then the electric push rod 4 is turned on to push each chuck assembly 5 from eight directions, so that the clamp block 504 clamps the screw or bolt, and the clamp block 504 is squeezed according to the clamping surface of the screw or bolt, so that the spring 502 is compressed to different degrees. The generated reverse force better pushes the clamp block 504 to fit screws of different shapes, effectively expanding the applicability of the tooling fixture and enhancing its practicality.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tooling fixture for a screw locking machine, characterized in that: include: A base (1), wherein a slide groove is provided on the top of the base (1), a slide plate (2) is fitted in the slide groove, a cover plate (3) is fixedly connected to the top of the slide plate (2), an electric push rod (4) is fixedly connected to the outer surface of the slide plate (2), a fixing block (501) is provided on the electric push rod (4), a hook (7) is fixedly connected to the outer surface of the cover plate (3), and a lock buckle (8) is fixedly connected to the outer surface of the base (1); The invention also comprises a chuck assembly (5), wherein the chuck assembly (5) comprises a fixed block (501), wherein a groove is formed on the fixed block (501), wherein a spring (502) is fixedly connected in the groove, wherein one end of the spring (502) is fixedly connected to a slider (503), and wherein a chuck block (504) is fixedly connected to the outer surface of the slider (503).

2. The tooling fixture for a screw locking machine according to claim 1, characterized in that: A mounting block (9) is fixedly connected to the outer surface of the base (1), and a mounting opening is provided on the mounting block (9).

3. A tooling fixture for a screw locking machine according to claim 2, characterized in that: The number of the mounting blocks (9) is two, and the two mounting blocks (9) are symmetrically distributed with respect to the base (1).

4. The tooling fixture for a screw locking machine according to claim 1, characterized in that: A circular ring (6) is fixedly connected to the center of the base (1).

5. The tooling fixture for a screw locking machine according to claim 1, characterized in that: The spring (502) and the slider (503) are both fitted inside the groove.

6. The tooling fixture for a screw locking machine according to claim 1, characterized in that: The number of the electric push rods (4) and the number of the chuck assemblies (5) are both eight, and the eight electric push rods (4) and the eight chuck assemblies (5) are distributed around the circumference of the ring (6).

Citation Information

Patent Citations

  • Tool clamp of screw locking machine

    CN221111405U