Rotary three-jaw clamp capable of rapidly replacing products

Abstract

The utility model discloses a rotary three-jaw clamp capable of quickly replacing a product, which is characterized in that clamping force can be provided through an arranged spring assembly, the elastic force of the spring assembly is transmitted to three product clamping cores through a clamping disc, and the three product clamping cores respectively rotate around three product clamping core shafts so as to clamp the product; by means of the arranged clamp opening mechanism, clamp opening force is transmitted to the three product clamp cores through the clamping disc, the three product clamp cores rotate around the three product clamp core shafts correspondingly, so that the product clamp cores are opened, the clamped products are loosened, the products of different sizes can be clamped without replacing the clamp, the clamping disc rotates around the three clamp bearings, and the clamping disc rotates around the three clamp bearings. The clamping force and the clamping opening force are transmitted, the force loss is smaller, the product is clamped by rotating the three product clamping cores at the same time, the force can be amplified through the two ends of the product clamping cores, the clamping force is further amplified, the clamp can be used on automatic equipment, the product can be replaced without replacing the clamp, and the product can be rapidly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a rotating three-claw clamp for realizing rapid replacement of products. Background Art

[0002] Fixture: A device used to fix the object to be processed during the mechanical manufacturing process so that it occupies the correct position for construction or inspection.

[0003] The clamps currently used all move in a linear motion. For products with different outer diameters, the clamp cores must be replaced according to the outer diameters of the products. For multi-station equipment, the replacement of the cores requires a lot of work. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides a rotating three-jaw clamp for realizing rapid replacement of products.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model is a rotating three-jaw clamp for realizing rapid replacement of products, comprising a clamp base plate, the top end of the clamp base plate is connected to three product cores via a product core shaft, the three product cores are annular and equidistantly distributed, and the outer ends of the three product cores are connected to clamping disks via clips, the top end of the clamp base plate is provided with a clamp cover plate covering the top of the clamping disk, the clamp base plate is provided with a spring assembly for providing clamping force to the clamping disk, and the clamp base plate is provided with an opening mechanism for driving the clamping disk to open the clamp.

[0007] As a preferred technical solution of the utility model, the spring assembly includes a clamp spring fixing plate fixed to the clamp bottom plate by bolts, a positioning groove is provided on one side of the clamp spring fixing plate, and a clamp clamping spring is provided inside the positioning groove.

[0008] As a preferred technical solution of the utility model, the outer wall of the clamping disk is provided with a clamping disk protrusion abutting against the clamping spring of the clamp.

[0009] As a preferred technical solution of the utility model, the clamping mechanism includes a clamping clamping lever connected via a clamping lever shaft, and the outer end of the clamping clamping lever is connected to a clamping clamping bearing via a rotating shaft.

[0010] As a preferred technical solution of the utility model, the inner end of the clamp opening lever is provided with a lever protrusion for pushing the clamping disk protrusion to move.

[0011] As a preferred technical solution of the utility model, the clamping member includes three positioning protrusions equidistantly arranged on the inner wall of the clamping disk, and the outer end of the product core is provided with a positioning groove matching the positioning protrusions.

[0012] As a preferred technical solution of the utility model, the top end of the product sandwich shaft is connected to the clamp cover plate through the product sandwich, and the clamp cover plate is fixedly connected to the clamp bottom plate by screws passing through fixing screw columns.

[0013] As a preferred technical solution of the utility model, the top end of the clamp bottom plate is connected to the clamp cover plate via a clamp bearing shaft, three clamp bearing shafts are provided, and a clamp bearing is provided on the outer wall of each clamp bearing shaft.

[0014] The beneficial effects of the utility model are:

[0015] The rotating three-jaw clamp for realizing rapid product replacement can provide clamping force through the spring assembly provided, and the elastic force of the spring assembly is transmitted to the three product cores through the clamping disk, and the three product cores respectively rotate around the three product core axes to clamp the products; the clamping force is transmitted to the three product cores through the clamping disk through the opening mechanism provided, and the three product cores respectively rotate around the three product core axes to open the product cores and release the clamped products; products of different sizes can be clamped without changing the clamp, and the clamping disk rotates around the three clamp bearings to transmit the clamping force and the opening force to reduce the force loss, and the product is clamped by the three product cores rotating simultaneously, and the force can be amplified through the two ends of the product core, and the clamping force is further amplified, and the clamp can be used on automated equipment, and the product can be replaced quickly without changing the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a structural schematic diagram of a rotating three-jaw fixture for realizing rapid product replacement in the utility model;

[0018] Figure 2 This is a schematic diagram of the exploded structure of a rotating three-jaw fixture for realizing rapid product replacement in the utility model;

[0019] Figure 3 This is a schematic diagram of the main exploded structure of a rotating three-jaw fixture for quickly replacing products in the utility model;

[0020] Figure 4The utility model is a schematic diagram of a clamp opening lever structure of a rotating three-jaw clamp for realizing rapid product replacement.

[0021] In the figure: 1. Clamp bottom plate; 2. Product sandwich shaft; 3. Product sandwich; 4. Clip; 5. Clamping disk; 6. Clamp cover plate; 7. Spring assembly; 8. Clamping mechanism; 9. Clamp spring fixing plate; 10. Clamp clamping spring; 11. Clamping disk protrusion; 12. Clamping lever shaft; 13. Clamp opening lever; 14. Clamp opening bearing; 15. Lever protrusion; 16. Positioning protrusion; 17. Positioning groove; 18. Fixing screw column; 19. Clamp bearing shaft; 20. Clamp bearing. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is a rotating three-jaw clamp for realizing rapid replacement of products, comprising a clamp base plate 1, the top end of the clamp base plate 1 is connected with three product cores 3 via a product core shaft 2, the three product cores 3 are annular and equidistantly distributed, and the outer ends of the three product cores 3 are connected with clamping disks 5 via a clamping piece 4, the top end of the clamp base plate 1 is provided with a clamp cover plate 6 covering the top of the clamping disk 5, the clamp base plate 1 is provided with a spring assembly 7 for providing a clamping force to the clamping disk 5, and the clamp base plate 1 is provided with an opening mechanism 8 for driving the clamping disk 5 to open the clamp, the movement of the product core 3 is changed from the original linear motion to a rotational motion, there is no slide groove required for sliding, the manufacturing is simpler, the clamping force can be provided by the provided spring assembly 7, and the elastic force of the spring assembly 7 is The clamping disk 5 is transmitted to the three product cores 3, and the three product cores 3 rotate around the three product core axes 2 respectively, so as to clamp the products; the opening force is transmitted to the three product cores 3 through the clamping disk 5 by the provided opening mechanism 8, and the three product cores 3 rotate around the three product core axes 2 respectively, so as to open the product core 3 and release the clamped products. Products of different sizes can be clamped without changing the clamp. The clamping disk 5 rotates around the three clamp bearings 20 to transmit the clamping force and the opening force, so as to reduce the force loss. The product is clamped by the three product cores 3 rotating at the same time. The force can be amplified by the length ratio of the two ends of the product core 3, and the clamping force is further amplified. The clamp can be used on automated equipment. The product does not need to be replaced by changing the clamp, and the product can be replaced quickly.

[0024] Among them, the spring assembly 7 includes a clamp spring fixing plate 9 fixed to the clamp base plate 1 by bolts, a positioning groove is provided on one side of the clamp spring fixing plate 9, and a clamp clamping spring 10 is provided inside the positioning groove. The outer wall of the clamping disk 5 is provided with a clamping disk protrusion 11 abutting against the clamp clamping spring 10. The clamping force can be adjusted by replacing the clamp clamping spring 10, which is easy to operate.

[0025] Among them, the clamping mechanism 8 includes a clamp opening lever 13 connected via an opening lever shaft 12, the outer end of the clamp opening lever 13 is connected to a clamp opening bearing 14 via a rotating shaft, and the inner end of the clamp opening lever 13 is provided with a lever protrusion 15 for pushing the clamping disk protrusion 11 to move. The clamp opening lever 13 is rotated, and the clamp opening lever 13 is rotated through the opening lever shaft 12. The lever protrusion 15 of the clamp opening lever 13 drives the clamping disk protrusion 11 to rotate, and the opening force is reduced exponentially through the clamp opening lever 13.

[0026] Among them, the clamping part 4 includes three positioning protrusions 16 equidistantly arranged on the inner wall of the clamping disk 5, and the outer end of the product core 3 is provided with a positioning groove 17 matching the positioning protrusion 16. The positioning protrusion 16 is matched and clamped with the positioning groove 17. When the clamping disk 5 rotates, it can drive the three product cores 3 to rotate.

[0027] Among them, the top end of the product sandwich shaft 2 is connected to the clamp cover plate 6 through the product sandwich 3, and the clamp cover plate 6 is fixedly connected to the clamp bottom plate 1 by screws passing through the fixing screw columns 18, so that the clamp cover plate 6 can be installed.

[0028] The top end of the clamp bottom plate 1 is connected to the clamp cover plate 6 via a clamp bearing shaft 19 . There are three clamp bearing shafts 19 , and a clamp bearing 20 is disposed on the outer wall of each clamp bearing shaft 19 .

[0029] When working, this type of rotating three-jaw clamp that can quickly replace products can provide clamping force through the spring assembly 7. The elastic force of the spring assembly 7 can be transmitted to the three product cores 3 through the clamping disk 5. The three product cores 3 rotate around the three product core axes 2 respectively, thereby clamping the products; the clamping force is transmitted to the three product cores 3 through the clamping disk 5 through the opening mechanism 8. The three product cores 3 rotate around the three product core axes 2 respectively, thereby opening the product cores 3 and releasing the clamped products. Products of different sizes can be clamped without changing the clamp. The clamping disk 5 rotates around the three clamp bearings 20 to transmit the clamping force and the opening force, thereby reducing the force loss. The product is clamped by the three product cores 3 rotating simultaneously, and the force can be amplified by the length ratio of the two ends of the product core 3. The clamping force is further amplified. The clamp can be used on automated equipment. The product does not need to be replaced with the clamp, and rapid product replacement can be achieved.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rotating three-jaw fixture for quickly changing products, characterized in that: The invention comprises a clamp base plate (1), the top end of the clamp base plate (1) being connected to three product cores (3) via a product core shaft (2), the three product cores (3) being annular and equidistantly distributed, and the outer ends of the three product cores (3) being connected to a clamping disk (5) via a clamping member (4), the top end of the clamp base plate (1) being provided with a clamp cover plate (6) covering the top of the clamping disk (5), the clamp base plate (1) being provided with a spring assembly (7) for providing a clamping force to the clamping disk (5), and the clamp base plate (1) being provided with an opening mechanism (8) for driving the clamping disk (5) to open the clamp.

2. A rotating three-jaw fixture for quickly changing products according to claim 1, characterized in that: The spring assembly (7) comprises a clamp spring fixing plate (9) which is fixed on the clamp bottom plate (1) via bolts, a positioning groove is provided on one side of the clamp spring fixing plate (9), and a clamp clamping spring (10) is provided inside the positioning groove.

3. A rotating three-jaw fixture for realizing quick product replacement according to claim 2, characterized in that: The outer wall of the clamping disc (5) is provided with a clamping disc protrusion (11) which abuts against the clamp clamping spring (10).

4. A rotating three-jaw fixture for realizing rapid product replacement according to claim 3, characterized in that: The clamp opening mechanism (8) comprises a clamp opening lever (13) connected via a clamp opening lever shaft (12), and the outer end of the clamp opening lever (13) is connected to a clamp opening bearing (14) via a rotating shaft.

5. A rotating three-jaw fixture for realizing rapid product replacement according to claim 4, characterized in that: The inner end of the clamp opening lever (13) is provided with a lever protrusion (15) for pushing the clamping disc protrusion (11) to move.

6. The rotating three-jaw fixture for realizing quick product replacement according to claim 1, characterized in that: The clamping member (4) comprises three positioning protrusions (16) equidistantly arranged on the inner wall of the clamping disk (5), and the outer end of the product core (3) is provided with a positioning groove (17) matching the positioning protrusions (16).

7. A rotating three-jaw fixture for realizing rapid product replacement according to claim 1, characterized in that: The top end of the product sandwich shaft (2) is connected to the fixture cover plate (6) via the product sandwich (3), and the fixture cover plate (6) is fixedly connected to the fixture bottom plate (1) by screws passing through the fixing screw columns (18).

8. The rotating three-jaw fixture for realizing quick product replacement according to claim 1, characterized in that: The top end of the clamp bottom plate (1) is connected to the clamp cover plate (6) via a clamp bearing shaft (19), three clamp bearing shafts (19) are provided, and a clamp bearing (20) is provided on the outer wall of each clamp bearing shaft (19).

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