Spring self-tightening wedge-shaped clamp

Abstract

The utility model belongs to the technical field of self-tightening clamps, and discloses a spring self-tightening wedge-shaped clamp which comprises a clamp head, a clamping groove is formed in the clamp head, clamping jaws are symmetrically arranged in the clamping groove in a sliding mode, and the clamping jaws are in a wedge shape. A push cake is clamped at the bottom of the clamping jaw, the push cake is fixedly connected with a push rod, the push rod is located in the clamping groove and penetrates through the chuck, the push rod is sleeved with a spring, the lower half portion of the push rod is provided with insection, and a semicircular gear clamped with the insection is vertically and rotationally arranged on the chuck; the wedge-shaped clamping jaw is adopted, so that the chuck, the spring, the push rod and the push cake are matched to achieve the self-tightening effect, the clamping device can automatically adapt to the shape and size of an object, and the clamping efficiency and accuracy are improved; the insection is matched with the semicircular gear, so that the one-way movement of the push rod can be realized, and the clamping and loosening functions are realized; due to the design of one-way movement, the reliability and stability of clamping can be ensured, and potential safety hazards caused by looseness of the clamp are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of self-tightening clamps, and more specifically to a spring self-tightening wedge-shaped clamp. Background Art

[0002] In the field of mechanical processing, workpiece clamping is a common problem. Traditional clamps usually use screw clamping or manual clamping, which is not only inefficient, but also cannot adapt to workpieces of different sizes and shapes. Frequent clamp replacement is required, which increases the labor intensity of workers and production costs.

[0003] To this end, the present application proposes a spring self-tightening wedge clamp to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above problems, the present application provides a spring self-tightening wedge clamp.

[0005] The present application provides a spring self-tightening wedge clamp adopts the following technical solution:

[0006] A spring self-tightening wedge clamp, comprising:

[0007] A chuck, wherein a chuck is provided with a chuck groove, wherein a clamping claw is symmetrically slidably provided in the chuck groove, wherein the clamping claw is in a wedge shape; a push cake is engaged at the bottom of the clamping claw, wherein the push cake is fixedly connected with a push rod, wherein the push rod is located in the chuck groove and passes through the chuck, wherein a spring is sleeved on the push rod;

[0008] The lower half of the push rod is provided with teeth, and the chuck is provided with a semicircular gear that is vertically rotatable and engages with the teeth.

[0009] Through the above technical solution, a wedge-shaped clamping jaw is used, so that the clamping head, spring, push rod and push cake cooperate to achieve a self-tightening effect, which can automatically adapt to the shape and size of the object, thereby improving the efficiency and accuracy of clamping.

[0010] Furthermore, a fixing column is fixedly arranged at the bottom of the chuck.

[0011] Through the above technical solution, the fixing column can provide stable support and fixing effect, ensuring the clamping strength and stability of the clamp.

[0012] Furthermore, a pressure plate is provided on the clamping groove in the moving direction of the clamping jaw, a slide rail is provided on the pressure plate, and the clamping head is provided with a slide groove slidably connected to the slide rail.

[0013] Through the above technical solution, the cooperation of the pressure plate and the slide rail can limit the movement range of the clamping jaws, ensuring the accuracy and stability of clamping. This design can effectively avoid the deviation or shaking of the clamping jaws during the clamping process, thereby improving the accuracy and reliability of clamping.

[0014] Furthermore, a pressure block is symmetrically and detachably arranged on the chuck at the rotation position of the semicircular gear, a rotating rod is arranged inside the pressure block, and the semicircular gear is rotatably arranged on the chuck via the rotating rod.

[0015] Through the above technical solution, the cooperation between the pressing block and the rotating rod can easily replace and repair the semicircular gear, thereby increasing the service life and maintenance convenience of the fixture. This detachable design can greatly reduce the maintenance cost and time of the fixture and improve production efficiency.

[0016] Furthermore, a pull rod is vertically arranged at the center point of the semicircular gear.

[0017] Through the above technical solution, the pull rod can conveniently control the rotation of the semicircular gear, thereby realizing the functions of clamping and loosening. The setting of the pull rod makes the operation more convenient and flexible, and can perform fast clamping and loosening operations as needed, thereby improving work efficiency.

[0018] Furthermore, a slideway is provided on the back side of the chuck, the slideway and the movement direction of the clamping jaw are consistent, and the clamping jaw is provided with a slide column engaged with the slideway.

[0019] Through the above technical solution, the cooperation of the slideway and the slide column can limit the movement direction of the clamping jaws, ensuring the accuracy and stability of clamping. This guide design can effectively avoid the deviation or shaking of the clamping jaws during movement, thereby improving the accuracy and reliability of clamping.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] (1) The wedge-shaped clamping jaws enable the clamping head, spring, push rod and push pan to cooperate to achieve a self-tightening effect, which can automatically adapt to the shape and size of the object, thereby improving the efficiency and accuracy of clamping;

[0022] (2) The combination of the tooth pattern and the semicircular gear can realize the unidirectional movement of the push rod, thereby realizing the functions of clamping and loosening; this unidirectional movement design can ensure the reliability and stability of clamping and avoid safety hazards caused by loose clamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of this application;

[0024] Figure 2 For the three-dimensional Figure 1 ;

[0025] Figure 3 For the three-dimensional Figure 2 ;

[0026] Figure 4 This is a schematic diagram of the working status of this application.

[0027] Explanation of the numbers in the figure: 1. chuck; 2. clamping groove; 3. clamping claw; 4. push cake; 5. push rod; 6. spring; 7. semicircular gear; 8. fixed column; 9. pressure plate; 10. slide rail; 11. slide groove; 12. pressure block; 13. pull rod; 14. slideway; 15. slide column. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0029] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Example:

[0032] The following is combined with Figure 1 -4 Provide further details of this application.

[0033] The embodiment of the present application discloses a spring 6 self-tightening wedge clamp, comprising:

[0034] A chuck 1 is provided with a chuck groove 2, a clamping jaw 3 is symmetrically slidably provided in the clamping groove 2, and the clamping jaw 3 is in a wedge shape; a push cake 4 is engaged at the bottom of the clamping jaw 3, and a push rod 5 is fixedly connected to the push cake 4, and the push rod 5 is located in the clamping groove 2 and passes through the chuck 1, and a spring 6 is sleeved on the push rod 5;

[0035] The lower part of the push rod 5 is provided with teeth, and a semicircular gear 7 engaging with the teeth is vertically rotatably provided on the chuck 1; the wedge-shaped clamping jaw 3 is adopted so that the chuck 1, the spring 6, the push rod 5 and the push cake 4 cooperate to achieve a self-tightening effect, which can automatically adapt to the shape and size of the object, thereby improving the efficiency and accuracy of clamping.

[0036] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A fixing column 8 is fixedly arranged at the bottom of the chuck 1; the fixing column 8 can provide stable support and fixing effect to ensure the clamping strength and stability of the clamp.

[0037] See also Figure 1 , Figure 2 and Figure 4 A pressing plate 9 is arranged on the clamping groove 2 in the direction of movement of the clamping jaw 3, a slide rail 10 is arranged on the pressing plate 9, and a slide groove 11 is arranged on the clamping head 1 to be slidably connected to the slide rail 10; the cooperation between the pressing plate 9 and the slide rail 10 can limit the movement range of the clamping jaw 3 and ensure the accuracy and stability of clamping. This design can effectively avoid the deviation or shaking of the clamping jaw 3 during the clamping process, and improve the accuracy and reliability of clamping.

[0038] See also Figure 1 , Figure 2 and Figure 4 The clamp 1 is symmetrically and detachably provided with a pressing block 12 at the rotating position of the semicircular gear 7. A rotating rod is provided inside the pressing block 12. The semicircular gear 7 is rotatably arranged on the clamp 1 through the rotating rod. The cooperation between the pressing block 12 and the rotating rod can conveniently replace and repair the semicircular gear 7, thereby increasing the service life and maintenance convenience of the clamp. This detachable design can greatly reduce the maintenance cost and time of the clamp and improve production efficiency.

[0039] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A pull rod 13 is vertically arranged at the center point of the semicircular gear 7; the pull rod 13 can conveniently control the rotation of the semicircular gear 7, thereby realizing the functions of clamping and releasing. The setting of the pull rod 13 makes the operation more convenient and flexible, and can perform fast clamping and releasing operations as needed, thereby improving work efficiency.

[0040] See also Figure 2 , Figure 3and Figure 4 The back of the chuck 1 is provided with a slideway 14, which is consistent with the movement direction of the clamping jaw 3, and the clamping jaw 3 is provided with a slide post 15 engaged with the slideway 14; the cooperation between the slideway 14 and the slide post can limit the movement direction of the clamping jaw 3, ensuring the accuracy and stability of clamping. This guide design can effectively avoid the deviation or shaking of the clamping jaw 3 during the movement process, and improve the accuracy and reliability of clamping.

[0041] The implementation principle of a spring self-tightening wedge clamp in the embodiment of the present application is:

[0042] Before use, pull the pull rod 13 in the direction of the clamping jaw 3, and the semicircular gear 7 rotates to drive the push rod 5 to move in the direction of the fixed column 8. During the movement, the push rod 5 pulls the clamping jaw 3 through the push cake 4 to increase the clamping range of the clamping jaw 3;

[0043] After determining the size and position of the workpiece to be clamped, place the workpiece to be clamped within the clamping range of the clamping jaw 3, then pull the pull rod 13 in the opposite direction to cause the semicircular gear 7 to rotate in the opposite direction, thereby causing the push rod 5 to drive the push cake 4 to push the clamping jaw 3. During the clamping movement, the distance becomes smaller until the workpiece is clamped.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A spring self-tightening wedge clamp, characterized in that: include: A chuck (1), wherein a chuck groove (2) is provided on the chuck (1), a clamping jaw (3) is symmetrically slidably provided in the clamping groove (2), and the clamping jaw (3) is wedge-shaped; a push cake (4) is engaged at the bottom of the clamping jaw (3), and the push cake (4) is fixedly connected to a push rod (5), the push rod (5) is located in the clamping groove (2) and passes through the chuck (1), and a spring (6) is sleeved on the push rod (5); The lower half of the push rod (5) is provided with teeth, and the chuck (1) is provided with a semicircular gear (7) which engages with the teeth and is rotatably arranged vertically.

2. A spring self-tightening wedge clamp according to claim 1, characterized in that: A fixing column (8) is fixedly arranged at the bottom of the clamp (1).

3. A spring self-tightening wedge clamp according to claim 1, characterized in that: A pressure plate (9) is arranged on the clamping groove (2) in the moving direction of the clamping jaw (3), a slide rail (10) is arranged on the pressure plate (9), and a slide groove (11) is arranged on the clamping head (1) to be slidably connected to the slide rail (10).

4. A spring self-tightening wedge clamp according to claim 1, characterized in that: A pressure block (12) is symmetrically and detachably arranged on the chuck (1) at the rotation position of the semicircular gear (7), a rotating rod is arranged inside the pressure block (12), and the semicircular gear (7) is rotatably arranged on the chuck (1) via the rotating rod.

5. The spring self-tightening wedge clamp according to claim 1, characterized in that: A pull rod (13) is vertically arranged at the center point of the semicircular gear (7).

6. A spring self-tightening wedge clamp according to claim 1, characterized in that: A slideway (14) is provided on the back of the clamp (1), the movement direction of the slideway (14) is consistent with that of the clamp (3), and the clamp (3) is provided with a slide column (15) engaged with the slideway (14).

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