Zero-point positioning clamp transition plate capable of achieving multi-station clamping

Abstract

The utility model discloses a zero-point positioning fixture transition plate capable of realizing multi-station clamping. The zero-point positioning fixture transition plate comprises a transition plate main body, a groove type positioning locking pin, a locking screw and a fastening screw, a pair of positioning holes are formed in the bottom of the transition plate body, locking threaded holes which are coaxial with the positioning holes and are formed upwards are further formed in the transition plate body, the groove type positioning locking pins are matched with the positioning holes for positioning, and the locking screws penetrate through the groove type positioning locking pins to be in threaded connection with the locking threaded holes in the transition plate body. The transition plate body is further provided with a row of clamp positioning holes used for positioning a multi-station clamp. A row of pressing threaded holes are formed in the side face, close to the clamp positioning holes, of the transition plate body, the pressing threaded holes are vertically communicated with the clamp positioning holes in a one-to-one mode, and the fastening screws are installed in the pressing threaded holes to press the multi-station clamp. According to the utility model, the problem of interface connection between various fixtures and a zero-point positioning fixture system is effectively solved; and the functions of multi-station clamping, rapid production changing and the like can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool fixture accessories, and relates to a zero-point positioning fixture transition plate capable of realizing multi-station clamping. Background Technique

[0002] As is well known, with the continuous development of China's manufacturing industry, the types of products are increasing continuously, the structures of parts are becoming more and more complex, and the problems brought by frequent production change are becoming more obvious, mainly manifested as: frequent production change, low efficiency of production change and vehicle adjustment, and long auxiliary time. The main reason for this result is that there is no systematic modular production change technology platform, and zero-point positioning fixture systems have gradually emerged in the market and are diverse. Since the situations of each enterprise are different, the zero-point positioning fixture systems purchased from the market all have problems of mismatching with the interfaces of various general and special fixtures currently used by the enterprise. If all the fixtures that do not match the interfaces of the zero-point positioning fixture system are replaced, the cost is huge. Then, a zero-point positioning fixture transition plate capable of realizing multi-station clamping is specifically used to solve the interface connection problems between various general and special fixtures and the zero-point positioning fixture system, has strong versatility, is applicable to all fixtures, can realize rapid production change, and can design various multi-station fixtures or connect various general and special fixtures on the main body of the transition plate. Content of the Utility Model

[0003] (I) Purpose of the Utility Model

[0004] The purpose of the utility model is to provide a zero-point positioning fixture transition plate capable of realizing multi-station clamping, so as to solve the interface connection problems between various general and special fixtures and the zero-point positioning fixture system, realize strong versatility, be applicable to all fixtures, and can design various multi-station fixtures or connect various general fixtures based on the main body of the transition plate.

[0005] (II) Technical Solution

[0006] In order to solve the above technical problems, the utility model provides a zero-point positioning fixture transition plate capable of realizing multi-station clamping, which comprises: a transition plate main body 1, a groove-type positioning and locking pin 2, a locking screw 3, and a fastening screw 4; the transition plate main body 1 is in a cuboid shape, a pair of positioning holes are opened at the bottom of the transition plate main body 1, and locking threaded holes coaxial with the positioning holes and opening upwards are further provided on the transition plate main body 1. The groove-type positioning and locking pin 2 is in fit with the positioning holes for positioning, and the locking screw 3 passes through the groove-type positioning and locking pin 2 and is in threaded connection with the locking threaded holes on the transition plate main body 1; a row of fixture positioning holes are further opened on the transition plate main body 1 for positioning of multi-station fixtures; a row of pressing threaded holes are opened on the side surface of the transition plate main body 1 close to the fixture positioning holes, the pressing threaded holes are vertically communicated with the fixture positioning holes one by one, and the fastening screw 4 is installed in the pressing threaded holes to press the multi-station fixtures.

[0007] Among them, the positioning holes and the locking threaded holes are located on one side of the center of the transition plate body 1, and a row of fixture positioning holes are located on the other side of the center of the transition plate body 1.

[0008] Among them, the lower part of the groove-type positioning and locking pin 2 is embedded in the positioning groove of the zero-point positioning fixture system 5 to realize the positioning connection between the transition plate body 1 and the zero-point positioning fixture system 5.

[0009] Among them, the groove-type positioning and locking pin 2 includes a body. The body is a stepped cylinder. An end-face positioning round table is formed at the upper end of the body and is matched with the positioning hole on the transition plate body 1. A through-hole is opened in the center of the body, and an end-face tapered hole is formed at the lower end of the through-hole. The locking screw 3 is installed in the through-hole and its head is matched with the end-face tapered hole. An annular tapered groove is formed on the outer peripheral surface of the body for mating connection with the zero-point positioning fixture system 5.

[0010] Among them, the locking screw 3 is a stepped cylinder and its head has an internal hexagon. The locking screw 3 is mainly used to fix the groove-type positioning and locking pin 2 on the transition plate body 1.

[0011] Among them, the fastening screw 4 is a stepped cylinder and its head has an internal hexagon. The fastening screw 4 is mainly used to fix various multi-station and fixtures on the transition plate body 1.

[0012] Among them, the material of the transition plate body 1 is 40Cr alloy steel, the material of the groove-type positioning and locking pin 2 is 40Cr alloy steel, and the materials of the locking screw 3 and the fastening screw 4 are 45# medium carbon steel.

[0013] Among them, the flatness of each surface of the transition plate body 1 is less than 0.01 mm, the parallelism is less than 0.02 mm, and the perpendicularity is less than 0.02 mm.

[0014] Among them, the cylindricity of the groove-type positioning and locking pin 2 is less than 0.01 mm, and the coaxiality is less than 0.01.

[0015] Among them, the hardness of the transition plate body 1, the groove-type positioning and locking pin 2, the locking screw 3, and the fastening screw 4 is 38HRC - 42HRC.

[0016] (III) Beneficial effects

[0017] The zero-point positioning fixture transition plate capable of realizing multi-station clamping provided by the above technical solution can effectively solve the interface connection problem between various general and special fixtures and the zero-point positioning fixture system; it can realize functions such as multi-station clamping and rapid production change. Description of the drawings

[0018] Figure 1 It is a schematic structural diagram of the zero-point positioning fixture transition plate capable of realizing multi-station clamping according to the embodiment of the present invention.

[0019] Figure 2 This is a three-dimensional state diagram of the zero-point positioning fixture transition plate that can achieve multi-station clamping in the embodiments of the present utility model. Specific Embodiments

[0020] To make the objectives, contents, and advantages of the present utility model clearer, the following further describes in detail the specific embodiments of the present utility model in conjunction with the accompanying drawings and embodiments.

[0021] Referring to Figure 1 and Figure 2 , the zero-point positioning fixture transition plate that can achieve multi-station clamping in this embodiment includes: a transition plate main body 1, a groove-type positioning and locking pin 2, a locking screw 3, and a fastening screw 4; the transition plate main body 1 is in the shape of a cuboid, a pair of positioning holes are opened at the bottom of the transition plate main body 1, and there are also locking threaded holes coaxial with the positioning holes and opening upward on the transition plate main body 1. The groove-type positioning and locking pin 2 is engaged with the positioning holes for positioning, and the locking screw 3 passes through the groove-type positioning and locking pin 2 and is threadedly connected to the locking threaded hole on the transition plate main body 1; the transition plate main body 1 is also provided with a row of fixture positioning holes for positioning of the multi-station fixture; a row of pressing threaded holes are opened on the side surface of the transition plate main body 1 close to the fixture positioning holes, the pressing threaded holes are vertically communicated with the fixture positioning holes one by one, and the fastening screw 4 is installed in the pressing threaded holes to press the multi-station fixture.

[0022] The positioning holes and the locking threaded holes are located on one side of the center of the transition plate main body 1, and a row of fixture positioning holes are located on the other side of the center of the transition plate main body 1.

[0023] The lower part of the groove-type positioning and locking pin 2 is embedded in the positioning groove of the zero-point positioning fixture system 5 to achieve the positioning connection between the transition plate main body 1 and the zero-point positioning fixture system 5.

[0024] Among them, the groove-type positioning and locking pin 2 is used to connect the transition plate main body 1 and the zero-point positioning fixture system 5, and plays a role in positioning and locking and fixing. The groove-type positioning and locking pin 2 includes a body, the body is in the shape of a stepped cylinder, an end face positioning round table is formed at the upper end of the body, which is engaged with the positioning hole on the transition plate main body 1; a through hole is opened in the center of the body, and an end face taper hole is formed at the lower end of the through hole. The locking screw 3 is installed in the through hole and its head is engaged with the end face taper hole; an annular tapered groove is formed on the outer peripheral surface of the body for mating connection with the zero-point positioning fixture system 5.

[0025] The locking screw 3 is in the shape of a stepped cylinder and its head has an internal hexagon. The locking screw 3 is mainly used to fix the groove-type positioning and locking pin 2 on the transition plate main body 1.

[0026] The fastening screw 4 is in the shape of a stepped cylinder and its head has an internal hexagon. The fastening screw 4 is mainly used to fix various multi-station and fixtures on the transition plate main body 1.

[0027] The material of the transition plate body 1 is 40Cr alloy steel, the material of the groove-type positioning and locking pin 2 is 40Cr alloy steel, and the materials of the locking screw 3 and the fastening screw 4 are 45# medium carbon steel.

[0028] The flatness of each surface of the transition plate body 1 is less than 0.01 mm, the parallelism is less than 0.02 mm, and the perpendicularity is less than 0.02 mm.

[0029] The cylindricity of the groove-type positioning and locking pin 2 is less than 0.01 mm, and the coaxiality is less than 0.01.

[0030] The hardness of the transition plate body 1, the groove-type positioning and locking pin 2, the locking screw 3, and the fastening screw 4 is 38HRC - 42HRC.

[0031] The use and movement principle of the zero-point positioning fixture transition plate that can achieve multi-station clamping in this embodiment is as follows: A pair of groove-type positioning and locking pins 2 are connected to a pair of positioning holes on the transition plate body 1, and the groove-type positioning and locking pins 2 and the transition plate body 1 are fixed by the locking screws 3. The transition plate body 1 can achieve rapid positioning and fixation with the zero-point positioning fixture system 5 through a pair of groove-type positioning and locking pins 2. Different types of multi-station fixtures 6 can be designed on different transition plate bodies 1 according to different part structures, and the multi-station fixtures 6 and the transition plate body 1 are fixed together by the fastening screws 4. When changing products, only the transition plate body 1 needs to be replaced to achieve rapid product change, and there is no need to align the fixture and the coordinate system zero point.

[0032] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and deformations can be made, and these improvements and deformations should also be regarded as the protection scope of the present invention.

Claims

1. A zero-point positioning fixture transition plate capable of realizing multi-station clamping, characterized in that: include: A transition plate body (1), a grooved positioning locking pin (2), a locking screw (3), and a fastening screw (4); the transition plate body (1) is a rectangular parallelepiped, a pair of positioning holes are provided at the bottom of the transition plate body (1), and a locking threaded hole is provided on the transition plate body (1) which is coaxial with the positioning hole and is provided upward, the grooved positioning locking pin (2) cooperates with the positioning hole for positioning, and the locking screw (3) passes through the grooved positioning locking pin (2) and is threadedly connected with the locking threaded hole on the transition plate body (1); the transition plate body (1) is also provided with a row of fixture positioning holes for positioning the multi-station fixture; a row of clamping threaded holes is provided on the side of the transition plate body (1) close to the fixture positioning holes, the clamping threaded holes are vertically connected to the fixture positioning holes one by one, and the fastening screws (4) are installed in the clamping threaded holes to clamp the multi-station fixture.

2. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 1, characterized in that: The positioning holes and the locking threaded holes are located on one side of the center of the transition plate body (1), and a row of clamp positioning holes are located on the other side of the center of the transition plate body (1).

3. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 2, characterized in that: The lower part of the groove-shaped positioning locking pin (2) is embedded in the positioning groove of the zero-point positioning fixture system (5), thereby realizing the positioning connection between the transition plate body (1) and the zero-point positioning fixture system (5).

4. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 3, characterized in that: The groove-type positioning locking pin (2) comprises a body, which is a stepped cylindrical body, and an end face positioning cone is formed at the upper end of the body, which cooperates with the positioning hole on the transition plate body (1); a through hole is opened in the center of the body, and an end face tapered hole is formed at the lower end of the through hole, and a locking screw (3) is installed in the through hole and the head cooperates with the end face tapered hole; an annular tapered groove is formed on the outer peripheral surface of the body, which is used to cooperate with the zero point positioning fixture system (5).

5. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 4, characterized in that: The locking screw (3) is in the form of a stepped cylinder with a hexagonal head. The locking screw (3) is mainly used to fix the groove-type positioning locking pin (2) on the transition plate body (1).

6. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 5, characterized in that: The fastening screw (4) is in the form of a stepped cylinder with a hexagonal head. The fastening screw (4) is mainly used to fix various multi-stations and clamps on the transition plate body (1).

7. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 6, characterized in that: The material of the transition plate body (1) is 40Cr alloy steel, the material of the groove-shaped positioning locking pin (2) is 40Cr alloy steel, and the material of the locking screw (3) and the fastening screw (4) is 45# medium carbon steel.

8. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 7, characterized in that: The flatness of each surface of the transition plate body (1) is less than 0.01 mm, the parallelism is less than 0.02 mm, and the verticality is less than 0.02 mm.

9. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 8, characterized in that: The cylindricity of the groove-shaped positioning locking pin (2) is less than 0.01 mm, and the coaxiality is less than 0.

01.

10. The zero-point positioning fixture transition plate capable of realizing multi-station clamping as claimed in claim 9, characterized in that: The hardness of the transition plate body (1), the groove-shaped positioning locking pin (2), the locking screw (3) and the fastening screw (4) are all 38HRC to 42HRC.

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