A positioning device for slot line cutting machining

Abstract

The utility model discloses a kind of positioning devices of notching line cutting processing, is related to notching line cutting processing technical field, including clamping body, the clamping body is L type structure, the bottom of clamping body is opened with fixed groove in one side, the inner wall of fixed groove is provided with compression bolt, the compression bolt is used to install clamping body on machine tool;The top of the outer wall of clamping body one side is opened with positioning sleeve mounting hole, the inner wall of positioning sleeve mounting hole is provided with positioning sleeve, the surface of positioning sleeve is opened with workpiece positioning groove, the surface of positioning sleeve is opened with the upper locating pin hole that clamping body is communicated, upper locating pin hole is provided with upper locating pin, positioning sleeve is connected with clamping body by upper locating pin.The utility model can solve the error generated between the gap between positioning part and workpiece after installation, and positioning stability problem, especially can improve the position accuracy of notching and flat type and workpiece installation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of slot wire cutting technology, and in particular to a positioning device for slot wire cutting. Background Technology

[0002] Currently, the installation method for wire EDM of workpiece grooves involves placing the workpiece on a V-block, fixing the V-block to the equipment, and using a dial indicator to calibrate the flat surface to ensure the relative position of the groove and the flat surface.

[0003] The above method requires workpiece calibration each time, which is time-consuming and labor-intensive. Furthermore, due to the error in the values ​​of each calibration, the relative position of the slot and the flat part is inconsistent, resulting in poor stability. Therefore, there is an urgent need for a positioning device for slot wire EDM to change this situation. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a positioning device for slot wire EDM. Its advantages include the ability to resolve errors caused by the gap between the positioning part and the workpiece after installation, as well as positioning stability issues, and particularly, to improve the positional accuracy of the slot and the flat surface, and the workpiece installation efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A positioning device for slot wire cutting includes a clamping body, the clamping body having an L-shaped structure, a fixing groove being provided on one side of the bottom of the clamping body, and a clamping bolt being provided on the inner wall of the fixing groove, the clamping bolt being used to install the clamping body on a machine tool;

[0007] A positioning sleeve mounting hole is provided on the top of one side of the outer wall of the fixture body. A positioning sleeve is provided on the inner wall of the positioning sleeve mounting hole. A workpiece positioning groove is provided on the surface of the positioning sleeve. An upper positioning pin hole communicating with the fixture body is provided on the surface of the positioning sleeve. An upper positioning pin is provided in the upper positioning pin hole. The positioning sleeve is connected to the fixture body through the upper positioning pin.

[0008] The above technical solution involves assembling the workpiece onto the positioning sleeve of the fixture during use. The positioning sleeve is fixed to the fixture body by the upper positioning pin, and the fixture body is fixed to the machine tool by the clamping bolts. This achieves the positioning and clamping of the workpiece, which can solve the error caused by the gap between the positioning part and the workpiece after installation, as well as the positioning stability problem. In particular, it can improve the positional accuracy of the slot and the flat part and the workpiece installation efficiency.

[0009] The present invention is further configured such that the cross-section of the fixing groove is U-shaped.

[0010] The above technical solution, with its U-shaped cross-section, allows for easy insertion of the clamping bolts into the fixing groove, improving operational convenience.

[0011] The present invention is further configured such that the top of both sides of the clamping body is provided with a lower positioning pin hole, and the lower positioning pin hole is connected to the machine tool through a lower positioning pin.

[0012] The above technical solution allows for convenient use of the lower positioning pin hole to further secure the clamping body, thus improving the stability of the clamping body installation.

[0013] The present invention is further configured such that a clamping plate is provided near the outer wall of the positioning sleeve of the clamping body, and the clamping plate has a circular structure.

[0014] Through the above technical solutions, the setting of the pressure plate can play a good buffering role when the positioning sleeve and the clamping body come into contact, reducing the wear between the positioning sleeve and the clamping body.

[0015] The present invention is further configured such that the clamping plate is made of rubber.

[0016] Through the above technical solutions: the rubber clamping plate has good elasticity and can give the positioning sleeve a reaction force when squeezed, thus improving the firmness of the positioning sleeve installation.

[0017] The present invention is further provided with a protective sleeve at the end of the positioning sleeve, the protective sleeve having a circular annular structure.

[0018] Through the above technical solutions, the protective sleeve can effectively protect the end of the positioning sleeve and reduce wear on the end during installation.

[0019] The present invention is further configured such that the protective cover is made of silicone material.

[0020] Through the above technical solutions, the protective sleeve made of silicone material has good elasticity, which further improves the protective effect on the positioning sleeve.

[0021] The beneficial effects of this utility model are as follows: When in use, the workpiece is assembled onto the positioning sleeve of the fixture. The positioning sleeve is fixed to the fixture body by the upper positioning pin, which makes it convenient to replace different models of positioning sleeves for different product structures. The fixture body is fixed to the machine tool by clamping bolts to realize the positioning and clamping of the workpiece. It can solve the error caused by the gap between the positioning part and the workpiece after installation, as well as the positioning stability problem. In particular, it can improve the positional accuracy of the slot and the flat part and the workpiece installation efficiency. Attached Figure Description

[0022] Figure 1This is a three-dimensional structural diagram of a positioning device for slot wire cutting proposed in this utility model;

[0023] Figure 2 This is a cross-sectional view of a positioning device for slot wire cutting according to the present invention.

[0024] Figure 3 for Figure 2 A magnified structural diagram of point A in the middle.

[0025] In the diagram: 1. Fixture body; 2. Lower locating pin hole; 3. Fixing groove; 4. Clamping bolt; 5. Upper locating pin hole; 6. Workpiece locating groove; 7. Locating sleeve; 8. Protective sleeve; 9. Clamping plate. Detailed Implementation

[0026] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0027] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0028] Reference Figure 1-3 A positioning device for slot wire cutting includes a clamping body 1, which has an L-shaped structure. A fixing groove 3 is provided on one side of the bottom of the clamping body 1. A clamping bolt 4 is provided on the inner wall of the fixing groove 3. The clamping bolt 4 is used to install the clamping body 1 on a machine tool.

[0029] A positioning sleeve mounting hole is provided on the top of one side of the outer wall of the fixture body 1. A positioning sleeve 7 is provided on the inner wall of the positioning sleeve mounting hole. A workpiece positioning groove 6 is provided on the surface of the positioning sleeve 7. An upper positioning pin hole 5 communicating with the fixture body 1 is provided on the surface of the positioning sleeve 7. An upper positioning pin is provided in the upper positioning pin hole 5. The positioning sleeve 7 is connected to the fixture body 1 through the upper positioning pin.

[0030] In this embodiment, the cross-section of the fixing groove 3 is U-shaped. The U-shaped cross-section of the fixing groove 3 allows the clamping bolt 4 to be easily placed into the fixing groove 3, improving the ease of operation. The top of both sides of the fixture body 1 is provided with lower positioning pin holes 2. The lower positioning pin holes 2 are connected to the machine tool through the lower positioning pin. The lower positioning pin holes 2 can be used to further fix the fixture body 1 in conjunction with the lower positioning pin, improving the stability of the fixture body 1 installation.

[0031] Furthermore, a clamping plate 9 is provided on the outer wall of the clamping body 1 near the positioning sleeve 7. The clamping plate 9 has a circular structure. The clamping plate 9 can play a good buffering role when the positioning sleeve 7 contacts the clamping body 1, reducing the wear between the positioning sleeve 7 and the clamping body 1. The clamping plate 9 is made of rubber. The rubber clamping plate 9 has good elasticity and can give the positioning sleeve 7 a reaction force when squeezed, which improves the firmness of the positioning sleeve 7 installation.

[0032] It is worth mentioning that the end of the positioning sleeve 7 is provided with a protective sleeve 8. The protective sleeve 8 has a circular structure. The protective sleeve 8 can provide good protection for the end of the positioning sleeve 7 and reduce the wear generated at the end during installation. The protective sleeve 8 is made of silicone material, which has good elasticity and further improves the protection effect of the positioning sleeve 7.

[0033] Working principle: When in use, the workpiece is assembled onto the positioning sleeve 7 of the fixture. The positioning sleeve 7 is fixed to the fixture body 1 by the upper positioning pin. The fixture body 1 is fixed to the machine tool by the clamping bolt 4, thereby realizing the positioning and clamping of the workpiece. It can solve the error caused by the gap between the positioning part and the workpiece after installation, as well as the positioning stability problem. In particular, it can improve the positional accuracy of the slot and the flat part and the workpiece installation efficiency.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A positioning device for slot wire cutting, comprising a clamping body (1), characterized in that, The clamping body (1) has an L-shaped structure. A fixing groove (3) is provided on one side of the bottom of the clamping body (1). A clamping bolt (4) is provided on the inner wall of the fixing groove (3). The clamping bolt (4) is used to install the clamping body (1) on the machine tool. The top of one side of the outer wall of the fixture body (1) is provided with a positioning sleeve mounting hole. The inner wall of the positioning sleeve mounting hole is provided with a positioning sleeve (7). The surface of the positioning sleeve (7) is provided with a workpiece positioning groove (6). The surface of the positioning sleeve (7) is provided with an upper positioning pin hole (5) that communicates with the fixture body (1). An upper positioning pin is provided in the upper positioning pin hole (5). The positioning sleeve (7) is connected to the fixture body (1) through the upper positioning pin.

2. The positioning device for slot wire cutting according to claim 1, characterized in that, The cross-section of the fixing groove (3) is U-shaped.

3. The positioning device for slot wire cutting according to claim 2, characterized in that, The clamping body (1) is provided with a lower positioning pin hole (2) on the top of both sides of the fixed groove (3), and the lower positioning pin hole (2) is connected to the machine tool through the lower positioning pin.

4. The positioning device for slot wire cutting according to claim 1, characterized in that, The clamping body (1) is provided with a pressing plate (9) near the outer wall of the positioning sleeve (7), and the pressing plate (9) has a circular structure.

5. The positioning device for slot wire cutting according to claim 4, characterized in that, The clamping plate (9) is made of rubber.

6. The positioning device for slot wire cutting according to claim 1, characterized in that, The end of the positioning sleeve (7) is provided with a protective sleeve (8), which has a circular structure.

7. The positioning device for slot wire cutting according to claim 6, characterized in that, The protective cover (8) is made of silicone.

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