CNC machining positioning jig

Abstract

The utility model discloses a CNC machining positioning jig which comprises a base, an index plate rotating mechanism and a positioning mechanism. The index plate rotating mechanism comprises a motor case, a gear box, a supporting seat, a first index plate and a second index plate, the first index plate is rotationally connected with the gear box, the second index plate is rotationally connected with the supporting seat, the second index plate and the first index plate are oppositely arranged, a driving motor is arranged in the motor case, and the driving motor drives the gear box to rotate. The driving motor is in transmission connection with the first index plate through the gear box; the positioning mechanism comprises a positioning bottom plate, a first bracket, a second bracket and a vacuum adsorption clamp, the first bracket is fixedly connected with the first index plate, the second bracket is fixedly connected with the second index plate, the positioning bottom plate is fixed between the first bracket and the second bracket, and the vacuum adsorption clamp is arranged at the top of the positioning bottom plate. According to the CNC machining positioning jig, multi-angle machining of products can be achieved; and moreover, the product is convenient and quick to clamp and disassemble.

Description

Technical Field

[0001] The utility model relates to a CNC machining positioning jig. Background Art

[0002] In the milling process of the product shell, the product shell is mainly milled by a CNC milling machine, and during the processing of the CNC milling machine, a positioning fixture is needed to fix the product shell.

[0003] However, the existing positioning jig usually directly fixes the shell to be processed on the workbench of the CNC machine tool, and the shell cannot be rotated. When it is necessary to process the surface of the shell at other angles, the jig can usually only be replaced to adjust the angle of the shell. However, this method has the problems of cumbersome operation and low processing efficiency, and is not suitable for current large-scale industrial production. Therefore, it is necessary to design a corresponding technical solution to solve the above problems. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a CNC machining positioning fixture to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the technical solution of the utility model is to design a CNC machining positioning fixture, including a base, a dividing plate rotating mechanism and a positioning mechanism;

[0006] The indexing plate rotating mechanism comprises a motor case, a gear box, a support seat, a first indexing plate and a second indexing plate, the gear box and the support seat are fixed on the base, the first indexing plate is rotatably connected to the gear box, the second indexing plate is rotatably connected to the support seat, and the second indexing plate is arranged opposite to the first indexing plate, the motor case is fixed on the base, and a driving motor is arranged in the motor case, and the driving motor is drivingly connected to the first indexing plate through the gear box;

[0007] The positioning mechanism includes a positioning base plate, a first bracket, a second bracket and a vacuum adsorption fixture. The first bracket is fixedly connected to the first dividing plate, the second bracket is fixedly connected to the second dividing plate, the positioning base plate is fixed between the first bracket and the second bracket, and the vacuum adsorption fixture is arranged on the top of the positioning base plate.

[0008] Preferably, the support seat is detachably fixedly connected to the base by screws.

[0009] Preferably, the positioning base plate is detachably fixedly connected to the first bracket and the second bracket respectively by screws.

[0010] Preferably, the number of the vacuum adsorption clamps is two.

[0011] Preferably, the driving motor is a servo motor.

[0012] The advantages and beneficial effects of the utility model are: providing a CNC machining positioning fixture, which has a reasonable structure and can realize multi-angle machining of products; and the clamping and disassembly operations of the products are convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0015] The technical solution specifically implemented in this utility model is:

[0016] like Figure 1 As shown, a CNC machining positioning fixture comprises a base 1, a dividing plate rotating mechanism and a positioning mechanism;

[0017] The indexing plate rotating mechanism includes a motor case 2, a gear box 3, a support seat 4, a first indexing plate 5 and a second indexing plate 6. The gear box 3 and the support seat 4 are fixed on the base 1. The first indexing plate 5 is rotatably connected to the gear box 3, the second indexing plate 6 is rotatably connected to the support seat 4, and the second indexing plate 6 is arranged opposite to the first indexing plate 5. The motor case 2 is fixed on the base 1, and a driving motor is arranged in the motor case 2. The driving motor is transmission-connected to the first indexing plate 5 through the gear box 3;

[0018] The positioning mechanism includes a positioning base plate 7, a first bracket 8, a second bracket 9 and a vacuum adsorption fixture 10. The first bracket 8 is fixedly connected to the first dividing plate 5, the second bracket 9 is fixedly connected to the second dividing plate 6, the positioning base plate 7 is fixed between the first bracket 8 and the second bracket 9, and the vacuum adsorption fixture 10 is arranged on the top of the positioning base plate 7.

[0019] By adopting the above scheme, when the utility model is used, a CNC machining positioning fixture is placed on the positioning base plate 7 and covered on the outside of the vacuum adsorption fixture 10, and the product 100 is adsorbed and fixed by starting the vacuum adsorption fixture 10. The first indexing plate 5 is driven to rotate by controlling the driving motor, and the first indexing plate 5 drives the positioning base plate 7 and the product 100 to rotate through the first bracket 8 to achieve multi-angle processing of the product 100; and by using the vacuum adsorption fixture 10 to fix the product, the clamping and disassembly operations of the product 100 are convenient and quick.

[0020] Furthermore, the support base 4 is detachably fixedly connected to the base 1 by means of screws 11. By adopting the above solution, the installation and removal of the support base 4 are facilitated.

[0021] Furthermore, the positioning base plate 7 is detachably fixedly connected to the first bracket 8 and the second bracket 9 respectively by screws 11. By adopting the above solution, the installation and removal of the positioning base plate 7 are convenient.

[0022] Furthermore, there are two vacuum adsorption clamps 10. By adopting the above solution, the positioning mechanism can clamp two products 100 at a time.

[0023] Furthermore, the driving motor is a servo motor.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A CNC machining positioning fixture, characterized in that: It includes a base, a dividing plate rotating mechanism and a positioning mechanism; The indexing plate rotating mechanism comprises a motor case, a gear box, a support seat, a first indexing plate and a second indexing plate, the gear box and the support seat are fixed on the base, the first indexing plate is rotatably connected to the gear box, the second indexing plate is rotatably connected to the support seat, and the second indexing plate is arranged opposite to the first indexing plate, the motor case is fixed on the base, and a driving motor is arranged in the motor case, and the driving motor is drivingly connected to the first indexing plate through the gear box; The positioning mechanism includes a positioning base plate, a first bracket, a second bracket and a vacuum adsorption fixture. The first bracket is fixedly connected to the first dividing plate, the second bracket is fixedly connected to the second dividing plate, the positioning base plate is fixed between the first bracket and the second bracket, and the vacuum adsorption fixture is arranged on the top of the positioning base plate.

2. The CNC machining positioning fixture according to claim 1, characterized in that: The support seat is detachably fixedly connected to the base via screws.

3. The CNC machining positioning fixture according to claim 1, characterized in that: The positioning base plate is detachably fixedly connected to the first bracket and the second bracket respectively by screws.

4. The CNC machining positioning fixture according to claim 1, characterized in that: The number of the vacuum adsorption fixtures is two.

5. The CNC machining positioning fixture according to claim 1, characterized in that: The driving motor is a servo motor.

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