CN221065429U

CN221065429U - Frock clamp with taut structure

Info

Publication number: CN221065429U
Application number: CN202323075370.5U
Authority: CN
Inventors: 卢山; 杨泽文; 邹强
Original assignee: Zigong Chuanli Technology Co ltd
Current assignee: Zigong Chuanli Technology Co ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-06-04
Anticipated expiration: 2033-11-14

Abstract

The utility model discloses a fixture clamp with a tensioning structure, relates to the technical field of fixture clamps, and solves the existing technical problems. The utility model has reasonable design, simple structure and low cost, can realize the rapid clamping of products to be compressed in the production process by combining the tensioning mechanism of the hydraulic or air cylinder of the machine tool, can realize the multi-point compression by the tensioning mechanism, and ensures the stability of the processing size.

Description

Frock clamp with taut structure

Technical Field

The utility model relates to the technical field of tool clamps, in particular to the technical field of tool clamps with tensioning structures.

Background

In the production process of mechanical products, due to the structural specificity of part of mechanical products, a processing clamp is required to be designed when the products are subjected to programming and processing processes, and a pressing clamp is required to be adopted when the clamp is designed due to the limitation of the clamping positions of part of the products or the requirement of the process dimensional precision.

The compaction structure of the existing compaction fixture is a pressing plate compaction structure, and is manually compacted by using bolts. The clamping time of the pressing clamp is longer, and the clamping efficiency is lower. And according to different clamping methods of operators, clamping forces of products are different, the pressing forces applied to the products are different, and the process size after processing can be affected by clamping deformation of the pressing forces to cause bad effects.

Disclosure of utility model

The utility model aims at: in order to solve the technical problems, the utility model provides a fixture with a tensioning structure.

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a fixture clamp with a tensioning structure, which comprises a clamp base, a clamp tensioning mechanism and a positioning device, wherein the clamp base is fixed on equipment, the clamp tensioning mechanism is partially arranged in the clamp base in a sliding manner, and the positioning device is fixed on the clamp base and is used for limiting the sliding distance of the clamp tensioning mechanism and placing a workpiece.

Specifically, this scheme simple structure and with low costs combine the lathe from taking hydraulic pressure or cylinder straining device can realize pressing from both sides fast the tight to the product that needs to compress tightly in the production process, can realize the multiple spot through straining device and compress tightly, guarantee the stability of processing size.

In one embodiment, the clamp base is a cylindrical structure with two open ends, the positioning device is fixed on the top of the cylindrical structure, and the clamp tensioning mechanism is partially positioned in the cylindrical structure.

In one embodiment, the clamp tensioning mechanism comprises a pressing plate arranged in the cylindrical structure, a driving assembly fixed below the pressing plate, and a plurality of clamping jaws uniformly distributed on the pressing plate in a hinged mode, wherein each clamping jaw part extends out of the positioning device, and each clamping jaw is provided with a pressing plate sliding groove matched with the positioning device.

In one embodiment, the number of the clamping jaws is three, the clamping jaws are uniformly distributed on the edge of the pressing plate in a circumferential arrangement mode, and the central angle between two adjacent hinge points is 120 degrees.

In one embodiment, each clamping jaw comprises a straight edge section and a clamping section, one end of the straight edge section is hinged to the edge of the pressing plate, the other end of the straight edge section and the clamping section are integrally formed, the pressing plate sliding chute is arranged on the straight edge section along the length direction, the straight edge section part penetrates through the positioning device, and the clamping section is located outside the positioning device.

In one embodiment, the pressing plate sliding groove comprises a first limiting hole, a transition inclined hole and a second limiting hole which are sequentially formed from top to bottom, wherein the first limiting hole is located on the outer side, the second limiting hole is located on the inner side, and the first limiting hole is communicated with the second limiting hole through the transition inclined hole.

In one embodiment, the positioning device comprises a limiting plate fixed at the top of the clamp base and a mounting seat arranged at the center of the limiting plate, wherein a plurality of through holes matched with the clamping jaw are formed in the limiting plate, and limiting protruding blocks matched with the corresponding pressing plate sliding grooves in a sliding mode are arranged in the through holes.

In one embodiment, the limiting plate is detachably arranged on the top of the clamp base through a bolt assembly.

In one embodiment, the drive assembly is a lift drive mechanism.

In one embodiment, the lifting driving mechanism is one of a lifting cylinder, a lifting oil cylinder, an electric cylinder or an electric lifting rod.

Working principle: the clamp base is fixed on the equipment, the clamp tensioning mechanism is connected with the machine tool self-provided hydraulic or air cylinder tensioning mechanism, and the tensioning force is adjusted. The fixture tensioning mechanism realizes the opening and closing state of the fixture pressing plate through the hinge pin and the upper sliding groove of the pressing plate. And after the tool position is adjusted and the workpiece is clamped and positioned, a button of a tensioning mechanism of the lathe is pressed. When the clamp is clamped, the clamp tensioning mechanism is pulled downwards, so that the pressing plate sliding groove slides downwards, the workpiece is tensioned and fixed on the tool, and the production clamp is completed. The clamp is released in the opposite mode, the clamp tensioning mechanism is lifted upwards, the pressing plate sliding chute slides upwards, and the pressing plate is opened to release the workpiece.

The beneficial effects of the utility model are as follows:

1. The utility model has reasonable design, simple structure and low cost, can realize the rapid clamping of products to be compressed in the production process by combining the tensioning mechanism of the hydraulic or air cylinder of the machine tool, can realize the multi-point compression by the tensioning mechanism, and ensures the stability of the processing size.

2. The utility model can realize rapid clamping of products, can improve the clamping efficiency of the products, has simple operation, shortens the auxiliary processing time, and has low manufacturing cost and high reliability; after the device is used for cooperation with workshop production, the clamping efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in a strained condition;

FIG. 2 is a schematic view of the structure of the present utility model in an open state;

FIG. 3 is a top view of the workpiece clamped in FIG. 1;

Reference numerals: 1-clamp base, 2-clamp tensioning mechanism, 3-positioning device and 4-workpiece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a fixture having a tightening structure, which includes a fixture base 1, a fixture tightening mechanism 2 and a positioning device 3, wherein the fixture base 1 is fixed on a device, the fixture tightening mechanism 2 is partially slidably disposed in the fixture base 1, and the positioning device 3 is fixed on the fixture base 1 for limiting a sliding distance of the fixture tightening mechanism 2 and placing a workpiece 4.

Example 2

The fixture base 1 is a cylindrical structure with two open ends, the positioning device 3 is fixed at the top of the cylindrical structure, and the fixture tensioning mechanism 2 is partially positioned in the cylindrical structure.

The clamp tensioning mechanism 2 comprises a pressing plate arranged in a cylindrical structure, a driving assembly fixed below the pressing plate, and a plurality of clamping jaws uniformly distributed on the pressing plate in a hinged mode, wherein each clamping jaw part extends out of the positioning device 3, and each clamping jaw is provided with a pressing plate sliding groove matched with the positioning device 3.

In one embodiment, each clamping jaw comprises a straight edge section and a clamping section, one end of the straight edge section is hinged to the edge of the pressing plate, the other end of the straight edge section and the clamping section are integrally formed, the pressing plate sliding grooves are formed in the straight edge section along the length direction, the straight edge section part penetrates through the positioning device 3, and the clamping section is located outside the positioning device 3.

In one embodiment, the pressing plate sliding groove comprises a first limiting hole, a transition inclined hole and a second limiting hole which are sequentially arranged from top to bottom, wherein the first limiting hole is positioned on the outer side, the second limiting hole is positioned on the inner side, and the first limiting hole is communicated with the second limiting hole through the transition inclined hole.

In one embodiment, the positioning device 3 comprises a limiting plate fixed at the top of the clamp base 1 and a mounting seat arranged at the center of the limiting plate, wherein a plurality of through holes matched with corresponding clamping jaws are formed in the limiting plate, and limiting convex blocks matched with corresponding pressing plate sliding grooves in a sliding mode are arranged in each through hole.

In one embodiment, the limiting plate is detachably arranged on the top of the clamp base 1 through a bolt assembly.

In one embodiment, the drive assembly is a lift drive mechanism.

In one embodiment, the lift drive mechanism is one of a lift cylinder, an electric cylinder, or an electric lift lever.

Working principle: the fixture base 1 is fixed on equipment, the fixture tensioning mechanism 2 is connected with a hydraulic or air cylinder tensioning mechanism of a machine tool, and the tensioning force is adjusted. The fixture tensioning mechanism 2 realizes the opening and closing state of the fixture pressing plate through the hinge pin and the pressing plate upper sliding groove. And after the tool position is adjusted and the workpiece 4 is clamped and positioned, a button of a tensioning mechanism of the lathe is pressed. When the clamp is clamped, the clamp tensioning mechanism 2 is pulled downwards, so that the pressing plate sliding groove slides downwards, the workpiece 4 is tensioned and fixed on the tool, and the production clamp is completed. The clamp is released in the opposite way, the clamp tensioning mechanism 2 is lifted upwards, the pressing plate sliding chute slides upwards, and the pressing plate is opened to release the workpiece 4.

Claims

1. Frock clamp with taut structure, a serial communication port, including anchor clamps base (1), anchor clamps straining device (2) and positioner (3), anchor clamps base (1) are fixed on equipment, anchor clamps straining device (2) part slip sets up in anchor clamps base (1), positioner (3) are fixed on anchor clamps base (1) for limit the slip distance of anchor clamps straining device (2) and place work piece (4).

2. The fixture clamp with the tensioning structure according to claim 1, wherein the clamp base (1) is a cylindrical structure with two open ends, the positioning device (3) is fixed at the top of the cylindrical structure, and the clamp tensioning mechanism (2) is partially located in the cylindrical structure.

3. A tool clamp with a tensioning structure according to claim 2, characterized in that the clamp tensioning mechanism (2) comprises a pressing plate arranged in the cylindrical structure, a driving assembly fixed below the pressing plate, and a plurality of clamping jaws uniformly distributed on the pressing plate in a hinged mode, wherein each clamping jaw part extends out of the positioning device (3), and each clamping jaw is provided with a pressing plate sliding groove matched with the positioning device (3).

4. A fixture with a tightening structure according to claim 3, wherein the number of the clamping jaws is three, the clamping jaws are uniformly distributed on the edge of the pressing plate in a circumferential arrangement mode, and the central angle between two adjacent hinge points is 120 °.

5. A tool clamp with a tensioning structure according to claim 3, characterized in that each clamping jaw comprises a straight edge section and a clamping section, one end of the straight edge section is hinged to the edge of the pressing plate, the other end of the straight edge section is integrally formed with the clamping section, the pressing plate sliding groove is formed in the straight edge section along the length direction, the straight edge section part penetrates through the positioning device (3), and the clamping section is located outside the positioning device (3).

6. The fixture with tensioning structure according to claim 5, wherein the pressing plate sliding chute comprises a first limiting hole, a transition inclined hole and a second limiting hole which are sequentially arranged from top to bottom, the first limiting hole is located on the outer side, the second limiting hole is located on the inner side, and the first limiting hole and the second limiting hole are communicated through the transition inclined hole.

7. The fixture with the tensioning structure according to claim 6, wherein the positioning device (3) comprises a limiting plate fixed at the top of the fixture base (1) and a mounting seat arranged at the center of the limiting plate, a plurality of through holes matched with the clamping jaw are formed in the limiting plate, and limiting protruding blocks matched with the pressing plate sliding grooves in a sliding mode are arranged in each through hole.

8. The fixture with the tensioning structure according to claim 7, wherein the limiting plate is detachably arranged on the top of the fixture base (1) through a bolt assembly.

9. A tool clamp with a tightening structure according to claim 3, wherein the driving assembly is a lifting driving mechanism.

10. The tool clamp with the tensioning structure according to claim 9, wherein the lifting driving mechanism is one of a lifting cylinder, a lifting oil cylinder, an electric cylinder or an electric lifting rod.