Linear cutting rotary multi-station quick-change combined clamp

Abstract

The utility model relates to a multi-station quick-change combined clamp, in particular to a linear cutting rotary multi-station quick-change combined clamp, and aims to solve the problems that in the prior art, rod parts are repeatedly clamped during linear cutting machining, flat tongs are used for clamping, and the production efficiency is very low. The rotary fixture comprises a fixture rotary positioning chassis, a rotary fixture main body, a fixture rotary positioning pin shaft, a chassis and main body connecting piece, a plurality of replaceable fixture body pieces, a plurality of workpiece positioning pin shafts and a plurality of fixture body piece fixing screws, the rotary clamp body is rotationally connected and installed on the clamp rotary positioning base plate, the multiple replaceable clamp body parts are arranged on the upper portion of the rotary clamp body, each replaceable clamp body part is fixed to the rotary clamp body through the clamp body part fixing screws, and two workpiece positioning pin shafts are inserted into each replaceable clamp body part. And the clamp rotary positioning pin shaft is inserted into the clamp rotary positioning chassis and the rotary clamp main body. The utility model belongs to the field of machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multi-station quick-change combination clamps, specifically to a kind of linear cutting rotary multi-station quick-change combination clamps, and the utility model belongs to the field of machining. BACKGROUND

[0002] The prior art involves parts of multiple product projects in production and processing, and the size tolerance is strictly required and frequently replaced. Some rotating rod parts have strict tolerance and shape tolerance in drilling processing. The linear cutting processing procedure is short in processing time, repeatedly clamped, and the processing shape tolerance is strictly required. The production efficiency is very low using flat-nose pliers to clamp, and the labor intensity of workers is quite large. SUMMARY

[0003] The utility model aims at solving the problems of repeated clamping of rotating rod parts in linear cutting processing in the prior art, using flat-nose pliers to clamp, and low production efficiency, and further provides a kind of linear cutting rotary multi-station quick-change combination clamp.

[0004] The technical scheme of the utility model is:

[0005] A kind of linear cutting rotary multi-station quick-change combination clamp, it includes clamp rotary positioning base plate, rotary clamp main body, clamp rotary positioning pin shaft, base plate and main body connecting piece, multiple replaceable clamp components, multiple workpiece positioning pin shafts and multiple clamp component fixing screws;

[0006] The rotary clamp main body is rotatably connected and installed on the clamp rotary positioning base plate. The multiple replaceable clamp components are arranged on the upper part of the rotary clamp main body. Each replaceable clamp component is fixed on the rotary clamp main body by clamp component fixing screws. Two workpiece positioning pin shafts are inserted and arranged in each replaceable clamp component. The clamp rotary positioning pin shaft is inserted and arranged on the clamp rotary positioning base plate and the rotary clamp main body.

[0007] Further, it further includes a bearing;

[0008] The clamp rotary positioning base plate is a rectangular plate body. A circular protrusion is processed above the rectangular plate body. The rotary clamp main body is a rectangular block body. A circular groove is processed on the bottom end face of the rectangular block body. The inner ring of the bearing is sleeved on the circular protrusion of the rectangular plate body. The outer ring of the bearing is embedded in the circular groove of the rectangular block body. The clamp rotary positioning base plate and the rotary clamp main body are rotatably connected through the bearing.

[0009] Further, it further includes a cylindrical head screw;

[0010] The clamp rotary positioning base plate is fixedly installed on the machine tool workbench by the cylindrical head screw.

[0011] Further, the upper end face of the rotary clamp body is processed with two rectangular through grooves, and the two rectangular through grooves are arranged in parallel, two replaceable clamp detail components are arranged in each rectangular through groove, and the two replaceable clamp detail components are arranged in a straight line direction; the side wall of the rectangular through groove is provided with a plurality of clamp detail component fixing screws, and the replaceable clamp detail component is fixedly installed in the rectangular through groove through the clamp detail component fixing screw.

[0012] Further, it further comprises two clamp positioning pin shafts;

[0013] The rotary clamp body is provided with a clamp positioning pin shaft between the two replaceable clamp detail components of the rectangular through groove of the rotary clamp body, and the clamp positioning pin shaft is inserted into the groove bottom of the rectangular through groove of the rotary clamp body.

[0014] Further, it further comprises a plurality of workpiece fixing screws;

[0015] The replaceable clamp detail component is a rectangular block body, the upper end face of the replaceable clamp detail component is processed with two workpiece grooves in a straight line direction, and the two workpiece grooves are arranged in parallel; a workpiece positioning pin shaft is inserted into one end of each workpiece groove close to the clamp positioning pin shaft; each workpiece groove is provided with a plurality of workpiece fixing screws on the side wall thereof, and the workpiece is fixedly installed in the workpiece groove through the workpiece fixing screw.

[0016] Further, the bottom disc and the body connecting piece are internal hexagonal bolts, the center of the circular protrusion of the clamp rotary positioning bottom disc is processed with a threaded hole, the center of the circular recess of the rotary clamp body is processed with a through hole, and the bottom disc and the body connecting piece are inserted into the through hole of the rotary clamp body and the threaded hole of the clamp rotary positioning bottom disc and are threadedly connected with the threaded hole of the clamp rotary positioning bottom disc.

[0017] Further, the clamp rotary positioning bottom disc is processed with a pin shaft hole and two counterbores, the pin shaft hole and the two counterbores are located on the outer side of the circular protrusion, the centers of the two counterbores are on the same straight line as the center of the circular protrusion of the rectangular plate body, and the angle between the pin shaft hole and each counterbore is 90 degrees.

[0018] Further, the body connecting piece is inserted into the side wall between the two rectangular through grooves of the rotary clamp body.

[0019] Further, the side wall between the two rectangular through grooves of the rotary clamp body is processed with two pin shaft holes, and the two pin shaft holes are arranged in symmetry about the body connecting piece; one of the two pin shaft holes is arranged in correspondence with the pin shaft hole of the lower clamp rotary positioning bottom disc, and a clamp rotary positioning pin shaft is inserted into the pin shaft hole of the rotary clamp body and the pin shaft hole of the lower clamp rotary positioning bottom disc.

[0020] Compared with the prior art, the utility model has the following effects:

[0021] 1. The combination clamp of the present application can stably ensure the machining precision of the workpiece. After clamping with the clamp, the position of the part is accurate, thereby reducing the labor intensity of the workers, improving the machining efficiency, and making the machining precision of a batch of workpieces consistent. When clamping with a conventional flat-nose pliers, the production quantity per shift is 15 pieces in 7.5 hours; when the combination clamp of the present application is used, the production quantity per shift is 30 pieces in 7.5 hours, and the production efficiency is doubled.

[0022] 2. The combination clamp of the present application can machine 8 rod parts at a time, which improves the machining precision and ensures the position precision. The working auxiliary time is greatly shortened, and the production efficiency is improved in all directions. Rapid machining and production change can be realized. The clamping is firm, the positioning precision is high, and the working intensity is greatly reduced.

[0023] 3. The present application can machine other workpieces by replacing the combination part, is flexible and variable, has a wide range of adaptability, greatly shortens the production preparation period, can machine multiple parts at the same time, double-sided machining, solves the problem of multiple clamping, and achieves a set of tooling suitable for multiple parts and multiple processes, thereby saving tooling materials and manufacturing costs. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic view of the overall structure of the workpiece provided in the present application;

[0025] Figure 2 is a front view of the overall structure of the workpiece provided in the present application;

[0026] Figure 3 is Figure 2 A-A sectional view in the direction of the present application;

[0027] Figure 4 is Figure 2 B-B sectional view in the direction of the present application;

[0028] Figure 5 is Figure 2 C-C sectional view in the direction of the present application;

[0029] Figure 6 is a schematic view of the overall structure of the clamp rotating positioning base 1;

[0030] Figure 7 is a schematic view of the overall structure of the rotating clamp main body 2;

[0031] Figure 8 is a schematic view of the overall structure of the replaceable clamp part 3;

[0032] Figure 9 is a schematic view of the overall structure of the clamp rotating positioning pin shaft 7;

[0033] Figure 10 is a schematic view of the workpiece 11 after machining. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0035] Specific implementation method one: in combination with Figures 1-10 It is illustrated that the utility model relates to a kind of wire cutting rotary multi-station quick-change combination clamp, it includes clamp rotary positioning base plate 1, rotary clamp main body 2, clamp rotary positioning pin 7, base plate and main body connecting piece 12, multiple replaceable clamp components 3, multiple workpiece positioning pin 5 and multiple clamp component fixing screw 13, and it further includes bearing 10;

[0036] Rotary clamp main body 2 is rotatably connected and installed on clamp rotary positioning base plate 1, multiple replaceable clamp components 3 are arranged on the upper portion of rotary clamp main body 2, and each replaceable clamp component 3 is fixed on rotary clamp main body 2 by clamp component fixing screw 13, two workpiece positioning pins 5 are inserted and installed in each replaceable clamp component 3, and clamp rotary positioning pin 7 is inserted and arranged on clamp rotary positioning base plate 1 and rotary clamp main body 2.

[0037] Workpiece positioning pin 5 is used to limit machining workpiece 11, clamp rotary positioning pin 7 is used to position clamp rotary positioning base plate 1 and rotary clamp main body 2, to prevent clamp rotary positioning base plate 1 and rotary clamp main body 2 from rotating relatively.

[0038] Specific implementation method two: in combination with Figures 1-4 It is illustrated that the utility model relates to a kind of wire cutting rotary multi-station quick-change combination clamp, it further includes bearing 10;

[0039] Clamp rotary positioning base plate 1 is rectangular plate body, and circular protrusion is machined on the upper portion of rectangular plate body, rotary clamp main body 2 is rectangular block body, and circular recess is machined on the bottom end face of rectangular block body, the inner ring of bearing 10 is sleeved on the circular protrusion of rectangular plate body, the outer ring of bearing 10 is embedded in the circular recess of rectangular block body, and clamp rotary positioning base plate 1 and rotary clamp main body 2 are rotatably connected by bearing 10. Other components and connection relations are same with specific implementation method one.

[0040] Specific implementation method three: in combination with Figures 1-4 It is illustrated that the utility model relates to a kind of wire cutting rotary multi-station quick-change combination clamp, it further includes cylindrical head screw 9;

[0041] The fixture rotary positioning base 1 is fixedly mounted on the machine tool worktable by cylindrical head screws 9. Other components and connections are the same as in specific embodiment two.

[0042] Specific implementation method four: Combination Figure 1 and Figure 7 This embodiment describes a wire EDM rotary multi-station quick-change combination fixture. The upper surface of the rotary fixture body 2 is machined with two rectangular through slots, which are arranged in parallel. Each rectangular through slot contains two replaceable fixture parts 3, which are arranged along a straight line. The sidewalls of the rectangular through slots are provided with multiple fixture part fixing screws 13, and the replaceable fixture parts 3 are fixedly installed within the rectangular through slots using these screws. Other components and connections are the same as in Embodiment Two.

[0043] Specific Implementation Method Five: Combining Figures 1-4 This embodiment describes a wire EDM rotary multi-station quick-change combination fixture, which also includes two fixture positioning pins 6;

[0044] A fixture positioning pin 6 is provided between two replaceable fixture parts 3 on the rectangular through groove of the rotary fixture body 2. The fixture positioning pin 6 is inserted into the bottom of the rectangular through groove of the rotary fixture body 2.

[0045] The two replaceable clamping parts 3 on the rectangular through slot are limited by the clamping positioning pin 6. Other components and connections are the same as in specific embodiment four.

[0046] Specific Implementation Method Six: Combination Figures 1-4 and Figure 8 This embodiment describes a wire EDM rotary multi-station quick-change combination fixture, which also includes multiple workpiece fixing screws 8;

[0047] The replaceable fixture component 3 is a rectangular block. Two workpiece slots are machined along a straight line on the upper surface of the replaceable fixture component 3, and the two workpiece slots are arranged in parallel. A workpiece positioning pin 5 is inserted into the bottom of each workpiece slot near the end of the fixture positioning pin 6. A workpiece 11 is provided in each workpiece slot. Multiple workpiece fixing screws 8 are provided on the side wall of each workpiece slot. The workpiece 11 is fixedly installed in the workpiece slot by the workpiece fixing screws 8.

[0048] The workpiece 11, placed in the workpiece groove, is limited by the workpiece positioning pin 5. The workpiece 11 is fixed and limited in the workpiece groove of the replaceable clamping body 3 by the workpiece fixing screw 8. Other components and connections are the same as in specific embodiment five.

[0049] Specific implementation method seven: Combination Figures 1-7This embodiment describes a wire EDM rotary multi-station quick-change combination fixture. The chassis and main body connecting member 12 is an internal hex bolt. The center of the circular protrusion on the fixture rotary positioning chassis 1 is machined with a threaded hole, and the center of the circular groove on the rotary fixture main body 2 is machined with a through hole. The chassis and main body connecting member 12 is inserted into the through hole of the rotary fixture main body 2 and the threaded hole of the fixture rotary positioning chassis 1 and is threadedly connected to the threaded hole of the fixture rotary positioning chassis 1.

[0050] The fixture rotary positioning chassis 1 and the rotary fixture body 2 are locked together by the chassis-body connector 12, ensuring that the rotary fixture body 2 rotates on the fixture rotary positioning chassis 1. Other components and connections are the same as in specific embodiment six.

[0051] Specific implementation method eight: Combination Figure 6 This embodiment describes a wire EDM rotary multi-station quick-change combination fixture. The fixture's rotary positioning base 1 is machined with a pin hole and two countersunk holes. All the pin hole and countersunk holes are located outside a circular protrusion. The centers of the two countersunk holes are collinear with the center of the circular protrusion on the rectangular plate. The angle between the pin hole and each countersunk hole is 90 degrees. Other components and connections are the same as in specific embodiment seven.

[0052] Specific Implementation Method Nine: Combining Figures 1-4 This embodiment describes a wire EDM rotary multi-station quick-change combination fixture, in which the main connecting member 12 is inserted into the side wall between two rectangular through slots on the main body 2 of the rotary fixture. Other components and connections are the same as in specific embodiment eight.

[0053] Specific Implementation Method Ten: Combining Figures 1-7 This embodiment describes a wire EDM rotary multi-station quick-change combination fixture. Two pin holes are machined on the side wall between two rectangular through slots on the main body 2 of the rotary fixture. These two pin holes are symmetrically arranged about the main body connector 12. One of the pin holes corresponds to the pin hole on the lower fixture rotary positioning base 1. A fixture rotary positioning pin 7 is inserted into both the pin hole on the main body 2 and the pin hole on the lower fixture rotary positioning base 1. Other components and connections are the same as in specific embodiment nine.

[0054] The application fixes the fixture rotating positioning base 1 to the machine tool workbench through the cylinder head screw 9. The rotating fixture main body 2 is rotatably connected with the fixture rotating positioning base 1 through the bearing 10, is positioned through the fixture rotating positioning pin shaft 7, and is fixed and compressed with the fixture rotating positioning base 1 and the rotating fixture main body 2 through the base and main body connecting piece 12. Two workpieces 11 are installed on the replaceable fixture specific piece 3, the workpiece 11 is locked and fixed through the workpiece fixing screw 8, the replaceable fixture specific piece 3 is fixed on the rotating fixture main body 2 through the fixture specific piece fixing screw 13, and the two opposite replaceable fixture specific pieces 3 on the rotating fixture main body 2 are positioned in the length direction through the fixture positioning pin shaft 6. The connecting rod 11 of the application is a connecting rod or a rotating rod, and the combined fixture using the application can achieve rapid production.

[0055] It should be noted that the above are only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, readjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A linear cutting rotary multi-station quick change combination fixture, characterized in that: It includes the clamp rotation positioning base plate (1), the rotation clamp main body (2), the clamp rotation positioning pin shaft (7), the base plate and the main body connecting piece (12), a plurality of replaceable clamp components (3), a plurality of workpiece positioning pin shafts (5) and a plurality of clamp component fixing screws (13); The rotation clamp main body (2) is rotatably connected to the clamp rotation positioning base plate (1), a plurality of replaceable clamp components (3) are arranged on the upper part of the rotation clamp main body (2), each replaceable clamp component (3) is fixed on the rotation clamp main body (2) by a clamp component fixing screw (13), each replaceable clamp component (3) is inserted with two workpiece positioning pin shafts (5), and the clamp rotation positioning pin shaft (7) is inserted and arranged on the clamp rotation positioning base plate (1) and the rotation clamp main body (2).

2. The rotary multi-station quick change modular fixture with wire cut according to claim 1, characterized in that: It also includes a bearing (10); The clamp rotation positioning base plate (1) is a rectangular plate body, a circular protrusion is processed on the upper part of the rectangular plate body, the rotation clamp main body (2) is a rectangular block body, a circular recess is processed on the bottom end surface of the rectangular block body, the inner ring of the bearing (10) is sleeved on the circular protrusion of the rectangular plate body, the outer ring of the bearing (10) is embedded in the circular recess of the rectangular block body, and the clamp rotation positioning base plate (1) and the rotation clamp main body (2) are rotatably connected through the bearing (10).

3. The rotary multi-station quick change modular fixture with wire cut according to claim 2, characterized in that: It also includes a cylinder head screw (9); The clamp rotation positioning base plate (1) is fixedly installed on the machine tool workbench through the cylinder head screw (9).

4. The linear cutting rotary multi-station quick change modular fixture of claim 2, wherein: The upper end surface of the rotation clamp main body (2) is processed with two rectangular through grooves, and the two rectangular through grooves are arranged in parallel, two replaceable clamp components (3) are placed in each rectangular through groove, the two replaceable clamp components (3) are arranged in a straight line, and the side wall of the rectangular through groove is provided with a plurality of clamp component fixing screws (13), the replaceable clamp component (3) is fixedly installed in the rectangular through groove through the clamp component fixing screw (13).

5. The rotary multi-station quick change modular fixture with wire cut according to claim 4, characterized in that: It also includes two clamp positioning pin shafts (6); A clamp positioning pin shaft (6) is arranged between the two replaceable clamp components (3) in the rectangular through groove of the rotation clamp main body (2), and the clamp positioning pin shaft (6) is inserted into the groove bottom of the rectangular through groove of the rotation clamp main body (2).

6. The linear cutting rotary multi-station quick change modular fixture of claim 5, wherein: It also includes a plurality of workpiece fixing screws (8); The replaceable clamp component (3) is a rectangular block body, two workpiece grooves are processed on the upper end surface of the replaceable clamp component (3) in a straight line, and the two workpiece grooves are arranged in parallel, one workpiece positioning pin shaft (5) is inserted into one end of each workpiece groove close to the clamp positioning pin shaft (6), one workpiece (11) is arranged in each workpiece groove, and a plurality of workpiece fixing screws (8) are arranged on the side wall of each workpiece groove, and the workpiece (11) is fixedly installed in the workpiece groove through the workpiece fixing screw (8).

7. The rotary multi-station quick change combination fixture with wire cutting according to claim 6, characterized in that: The base plate and the main body connecting piece (12) are internal hexagonal bolts, a threaded hole is processed in the center of the circular protrusion of the clamp rotation positioning base plate (1), a through hole is processed in the center of the circular recess of the rotation clamp main body (2), the base plate and the main body connecting piece (12) are inserted into the through hole of the rotation clamp main body (2) and the threaded hole of the clamp rotation positioning base plate (1) and are in threaded connection with the threaded hole of the clamp rotation positioning base plate (1).

8. The linear cutting rotary multi-station quick change modular fixture of claim 7, wherein: The fixture rotating positioning base plate (1) is processed with a pin shaft hole and two counterbores, the pin shaft hole and the two counterbores are located on the outside of the circular protrusion, the centers of the two counterbores are on the same line with the center of the circular protrusion on the rectangular plate body, the angle between the pin shaft hole and each counterbores is 90 degrees.

9. The rotary multi-station quick change modular fixture with wire cut according to claim 7, characterized in that: The main body connecting piece (12) is inserted between the side walls of the two rectangular through grooves of the rotating fixture main body (2).

10. The linear cutting rotary multi-station quick change modular fixture of claim 9, wherein: The side wall between the two rectangular through grooves of the rotating fixture main body (2) is processed with two pin shaft holes, and the two pin shaft holes are symmetrically arranged about the main body connecting piece (12), one of the pin shaft holes is correspondingly arranged with the pin shaft hole of the lower fixture rotating positioning base plate (1), and a fixture rotating positioning pin shaft (7) is inserted into the pin shaft hole of the rotating fixture main body (2) and the pin shaft hole of the lower fixture rotating positioning base plate (1).

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