Flexible jaw auxiliary supporting clamp

Abstract

The utility model relates to the technical field of machining, in particular to a flexible jaw auxiliary supporting clamp which comprises a flexible jaw, a zero-point positioning seat and a connecting block, the zero-point positioning seat is fixedly connected to a workbench of machining equipment through the connecting block, the zero-point positioning seat is of an annular structure with a stepped hole formed in the center, and the zero-point positioning seat is fixedly connected to the workbench through the connecting block. The stepped hole of the zero-point positioning seat is a stepped round hole, the diameter of an upper hole of the stepped round hole is smaller than that of a lower hole of the stepped round hole, and a plurality of flexible jaws are fixedly arranged on the inner wall of the upper hole of the zero-point positioning seat and evenly distributed. According to the flexible jaw auxiliary supporting clamp, the flexible jaw is used for being attached to the supporting face, the machining area of a runner face is supported in an auxiliary mode in the machining process, and tool shaking and deformation can be reduced to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a flexible jaw auxiliary supporting fixture. Background Art

[0002] With the rapid development of my country's manufacturing industry, the demand for production capacity of difficult-to-process and easily deformed parts is also increasing. The country is also vigorously developing and encouraging enterprises to improve the quality and efficiency of mechanical processing parts manufacturing.

[0003] Among them, there are many rotating thin-walled parts with flow surface. The typical characteristics of this kind of parts are thin walls and easy deformation. Due to the complex structure of the parts and the different flow surface, the tool is prone to chatter and deformation during processing. Therefore, it is necessary to propose a flexible jaw auxiliary support fixture. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a flexible jaw auxiliary support fixture, which uses flexible jaws to stick to the support surface to assist in supporting the processing area of ​​the flow channel surface during processing, and can minimize tool chattering and deformation.

[0005] The technical solution of the utility model is as follows:

[0006] A flexible jaw auxiliary support fixture comprises a flexible jaw, a zero point positioning seat and a connecting block, wherein the zero point positioning seat is fixedly connected to a workbench of a mechanical processing device via the connecting block, the zero point positioning seat is a circular ring structure with a stepped hole at the center, the stepped hole of the zero point positioning seat is a stepped circular hole with an upper hole diameter smaller than a lower hole diameter, a plurality of flexible jaws are fixedly arranged on the inner wall of the upper hole of the zero point positioning seat, and the plurality of flexible jaws are evenly distributed.

[0007] The connecting block is an I-beam.

[0008] The upper wing plate of the connecting block is fixedly connected to the zero point positioning seat.

[0009] The upper wing plate of the connecting block is connected to the zero point positioning seat by screws.

[0010] The lower wing plate of the connecting block is fixedly connected to the working table of the machining equipment.

[0011] Optionally, the lower wing plate of the connecting block is fixedly connected to a workbench of the machining equipment by screws.

[0012] Optionally, a pressing plate is used to press the lower wing plate of the connecting block onto a workbench of a machining device.

[0013] An installation groove for installing the flexible jaw is arranged on the inner wall of the upper hole of the zero point positioning seat, and the flexible jaw is fixedly installed in the installation groove.

[0014] A pin hole is arranged on the top surface of the lower hole of the zero point positioning seat, and a workpiece with a positioning hole is positioned by inserting a positioning pin into the positioning hole and the pin hole.

[0015] The flexible jaws include a shell and supporting pins, and a plurality of supporting pins can be elastically and telescopically installed in the shell along the horizontal direction of the shell.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model discloses a flexible jaw auxiliary support fixture, which uses flexible jaws to stick to the support surface, and assists in supporting the processing area of ​​the flow channel surface during the processing, which can minimize the chattering and deformation of the knife.

[0018] 2. The utility model discloses a flexible jaw auxiliary support fixture, which has a zero-point positioning seat, so that it is easy to fix on the workbench of the mechanical processing equipment.

[0019] 3. The utility model discloses a flexible jaw auxiliary support fixture, the flexible jaw of which has low requirements on the support surface and can change with the support surface.

[0020] 4. The utility model discloses a flexible jaw auxiliary support fixture, in which the support pins for auxiliary support can fit the support surface over a large area, and can support a large area.

[0021] 5. The utility model discloses a flexible jaw auxiliary support fixture. During the auxiliary support process, the support pin of the flexible jaw auxiliary support fixture is in a locked state and will not exert a top force on the workpiece. Compared with the side top support, the clamping deformation of this fixture is smaller.

[0022] 6. The utility model discloses a flexible jaw auxiliary support fixture, which has good auxiliary support effects of shock absorption and reducing workpiece deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not considered to be limiting of the present invention.

[0024] In the attached picture:

[0025] Figure 1It is a three-dimensional structural schematic diagram of a flexible jaw auxiliary support fixture according to an embodiment of the utility model;

[0026] Figure 2 It is a three-dimensional structural schematic diagram of the zero point positioning seat;

[0027] Figure 3 is a schematic diagram of the three-dimensional structure of the flexible jaws;

[0028] The components represented by the reference numerals in the figure are:

[0029] The utility model comprises: 1. a flexible jaw, 1a. a shell, 1b. a supporting pin, 2. a zero point positioning seat, 2a. a mounting groove, 2b. a pin hole, 3. a positioning pin, and 4. a connecting block. DETAILED DESCRIPTION

[0030] like Figure 1 As shown, the flexible jaw auxiliary support fixture includes a flexible jaw 1, a zero point positioning seat 2 and a connecting block 4. The zero point positioning seat 2 is fixedly connected to the workbench of the mechanical processing equipment through the connecting block 4. The zero point positioning seat 2 is a circular ring structure with a stepped hole in the center. The stepped hole of the zero point positioning seat 2 is a stepped circular hole with an upper hole diameter smaller than a lower hole diameter. A plurality of flexible jaws 1 are fixedly arranged on the inner wall of the upper hole of the zero point positioning seat 2, and the plurality of flexible jaws 1 are evenly distributed.

[0031] In this embodiment, the flexible jaws 1 are selected from mature products available on the market, such as the flexible jaws of model AL-6-24.5-10-15-SS-MAN-BB produced by Yingshiqi (Qingdao) Automation Technology Co., Ltd.

[0032] Alternatively, if Figure 3 As shown, the basic structure of the flexible jaws 1 should include a shell 1a and a support pin 1b. Several support pins 1b can be elastically and telescopically installed in the shell 1a along the horizontal direction of the shell 1a; a number of independent sliding holes for the support pins 1b to slide are arranged in the shell 1a, and an elastic element such as a spring is arranged at the bottom of the support pin 1b, so that each support pin 1b can be elastically extended and retracted in the sliding hole.

[0033] The connecting block 4 is an I-beam; the upper wing plate of the connecting block 4 is fixedly connected to the zero-point positioning seat 2, specifically, the upper wing plate of the connecting block 4 is connected to the zero-point positioning seat 2 with screws; the lower wing plate of the connecting block 4 is fixedly connected to the workbench of the mechanical processing equipment, optionally, the lower wing plate of the connecting block 4 is fixedly connected to the workbench of the mechanical processing equipment with screws, optionally, a pressing plate is used to press the lower wing plate of the connecting block 4 onto the workbench of the mechanical processing equipment.

[0034] like Figure 2As shown, a mounting groove 2a for mounting the flexible jaw 1 is provided on the inner wall of the upper hole of the zero point positioning seat 2, and the flexible jaw 1 is fixedly mounted in the mounting groove 2a.

[0035] A pin hole 2b is provided on the top surface of the lower hole of the zero point positioning seat 2, and a workpiece with a positioning hole is positioned by inserting a positioning pin 3 into the positioning hole and the pin hole 2b.

[0036] The operating steps of the flexible jaw auxiliary support fixture are as follows: the bottom of the zero point positioning seat 2 is fixed on the connecting block 4, and they are fixed together on the workbench of the mechanical processing equipment; the workpiece is placed on the zero point positioning seat 2, the center of the workpiece coincides with the center of the positioning seat, and the workpiece with a positioning hole uses the positioning pin 3 to insert the pin hole 2b and the positioning hole for positioning; the flexible jaw 1 is fixed to the zero point positioning seat 2; the support pin 1b of the flexible jaw 1 is used to be close to the support surface of the workpiece; the support pin 1b of the flexible jaw 1 is pressed into the jaw housing 1a, so that the support pin 1b changes with the support surface; the support pin 1b is locked after being shaped to complete the auxiliary support process.

[0037] The flexible jaw auxiliary support fixture uses flexible jaws to stick to the support surface, and assists in supporting the processing area of ​​the flow channel surface during the processing, which can minimize tool chattering and deformation; it is equipped with a zero-point positioning seat, which is convenient for fixing on the workbench of the mechanical processing equipment; the flexible jaws do not have high requirements for the support surface and can change with the support surface; the support pins for auxiliary support can fit the support surface over a large area, and can support a larger area; during the auxiliary support process, the support pins are in a locked state and will not exert a top force on the workpiece. Compared with the side top support, the clamping deformation of this fixture is smaller; the auxiliary support has a good shock absorption and workpiece deformation reduction effect.

Claims

1. A flexible jaw auxiliary support fixture, characterized in that: The invention comprises a flexible jaw (1), a zero point positioning seat (2) and a connecting block (4); the zero point positioning seat (2) is fixedly connected to a workbench of a mechanical processing device via the connecting block (4); the zero point positioning seat (2) is a circular ring structure with a stepped hole at the center; the stepped hole of the zero point positioning seat (2) is a stepped circular hole with an upper hole diameter smaller than a lower hole diameter; a plurality of flexible jaws (1) are fixedly arranged on the inner wall of the upper hole of the zero point positioning seat (2); and the plurality of flexible jaws (1) are evenly distributed.

2. A flexible jaw auxiliary support fixture according to claim 1, characterized in that: The connecting block (4) is an I-beam.

3. A flexible jaw auxiliary support fixture according to claim 2, characterized in that: The upper wing plate of the connection block (4) is fixedly connected to the zero point positioning seat (2).

4. A flexible jaw auxiliary support fixture according to claim 3, characterized in that: The upper wing plate of the connecting block (4) is connected to the zero point positioning seat (2) by means of screws.

5. A flexible jaw auxiliary support fixture according to claim 2, characterized in that: The lower wing plate of the connecting block (4) is fixedly connected to a workbench of the machining equipment.

6. A flexible jaw auxiliary support fixture according to claim 5, characterized in that: The lower wing plate of the connecting block (4) is fixedly connected to a workbench of the machining equipment by means of screws.

7. A flexible jaw auxiliary support fixture according to claim 5, characterized in that: Use a pressure plate to press the lower wing of the connecting block (4) onto the workbench of the machining equipment.

8. The flexible jaw auxiliary support fixture according to claim 1, characterized in that: An installation groove (2a) for installing the flexible jaw (1) is provided on the inner wall of the upper hole of the zero point positioning seat (2), and the flexible jaw (1) is fixedly installed in the installation groove (2a).

9. The flexible jaw auxiliary support fixture according to claim 1, characterized in that: A pin hole (2b) is provided on the top surface of the lower hole of the zero point positioning seat (2), and a workpiece having a positioning hole is positioned by inserting a positioning pin (3) into the positioning hole and the pin hole (2b).

10. The flexible jaw auxiliary support fixture according to claim 1, characterized in that: The flexible jaws (1) comprise a shell (1a) and support pins (1b); a plurality of support pins (1b) can be elastically and telescopically installed in the shell (1a) along the horizontal direction of the shell (1a).

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