Machine tool accessory machining clamp

Abstract

The utility model relates to the technical field of clamp equipment, in particular to a machine tool accessory machining clamp which comprises a supporting assembly, clamping assemblies and a base plate assembly, the two ends above the supporting assembly are fixedly connected with the clamping assemblies, and the base plate assembly is arranged in the middle above the supporting assembly. A sliding rail structure is introduced, so that the clamp can flexibly move left and right, and the operation convenience is improved. Meanwhile, due to the unique design of the H-shaped block and the concentric-square-shaped block, it is guaranteed that the clamp chuck can be freely adjusted up and down, and the flexibility and efficiency of the machining process are further improved. Due to the innovative design, the range of machining objects is widened, and more diversified workpiece requirements are met. And in addition, by additionally arranging the base plate assembly, the machined accessories can be smoothly jacked up and taken out, so that the operation process is further optimized, the practicability is enhanced, and more convenience is brought to machining work.

Description

TECHNICAL FIELD

[0001] The utility model relates to jig equipment technical field, concretely is a machine tool accessory machining jig. BACKGROUND

[0002] Machine tool accessory machining jig is the tool for clamping machine tool accessory on machine tool to facilitate its processing. At present, machine tool accessory machining jig has many inconveniences. First, the jig design is heavy, and it is difficult to move, which directly affects the efficiency and flexibility of the processing process. Secondly, the size of the jig is fixed, which greatly limits the range of processing objects and is difficult to adapt to diversified workpiece demands. Therefore, we propose a machine tool accessory machining jig. SUMMARY

[0003] The utility model aims at providing a machine tool accessory machining jig to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A machine tool accessory machining jig, comprising a support assembly, a clamping assembly and a backing plate assembly, the support assembly is fixedly connected with the clamping assembly at both ends above, and the backing plate assembly is arranged at the middle part above the support assembly.

[0006] The support assembly comprises a panel, a sliding groove is arranged above the panel, two moving plates are arranged above the panel, sliding blocks matched with the sliding grooves are arranged below the moving plates, and the clamping assembly is arranged on the moving plates.

[0007] The clamping assembly comprises an H-shaped block, connecting columns, a return-shaped block and a first air cylinder, the middle part of the H-shaped block is connected with the two connecting columns through a first rotating shaft, the return-shaped block is movably arranged on the H-shaped block, and the tail end of the H-shaped block is connected with the first air cylinder.

[0008] Preferably, four supporting columns are arranged at the four corners below the panel, and bolts are arranged at the four corners of the moving plates.

[0009] Preferably, the clamping assembly further comprises a first rotating shaft, a connecting piece, a fixed column, a first screw rod, a second rotating shaft and an arc-shaped column, the connecting piece is arranged below the connecting column, and the fixed column is mounted on both sides of the connecting piece.

[0010] Preferably, the return-shaped block is connected with the front end of the H-shaped block through the first screw rod, the tail end of the H-shaped block is connected with the arc-shaped column through the second rotating shaft, and the first air cylinder is fixedly connected below the arc-shaped column.

[0011] Preferably, a moving groove is arranged in the front section of the H-shaped block, the return-shaped block is movably arranged in the moving groove, a strip-shaped groove is arranged in the return-shaped block, and the first screw rod passes through the strip-shaped groove.

[0012] Preferably, the base plate assembly comprises a hollow base block and four second air cylinders mounted at the lower four corners of the hollow base block.

[0013] Compared with the prior art, the utility model has the advantages that: the utility model introduces the slide rail structure, makes the clamp can move flexibly left and right, improves the convenient operation. Meanwhile, the unique design of H type block and back type block ensures that the clamp chuck can be adjusted freely up and down, further enhances the flexibility and efficiency of the processing process. These innovative designs not only broaden the range of processing objects, adapt to more diversified workpiece demands. In addition, through the additional base plate assembly, the completed accessory can be smoothly lifted and taken out, thereby further optimizing the operation process, enhancing the practicability, and bringing more convenience for processing work. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the support assembly in the utility model;

[0016] Figure 3 It is the structure schematic diagram of the clamping assembly in the utility model;

[0017] Figure 4 It is the structure schematic diagram of the base plate assembly in the utility model;

[0018] Figure 5 It is the side view of the clamping assembly in the utility model;

[0019] In the drawing:

[0020] 1, support assembly;11, faceplate;12, support column;13, sliding groove;14, moving plate;15, sliding block;16, bolt;

[0021] 2, clamping assembly;21, H type block;22, connecting column;23, first rotary shaft;24, connecting piece;25, fixed column;26, back type block;27, first screw;28, second rotary shaft;29, arc column;210, first air cylinder;moving groove 211;strip-shaped groove 212;fixed lug 213;second screw 214;linking lug 215;extrusion block 216;flexible convex strip 217;

[0022] 3, base plate assembly;31, hollow base block;32, second air cylinder. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 The present application provides a technical scheme:

[0025] The machine tool accessory machining clamp comprises a supporting assembly 1, a clamping assembly 2 and a backing plate assembly 3, the clamping assembly 2 is fixedly connected to the upper two ends of the supporting assembly 1, and the backing plate assembly 3 is arranged at the middle of the upper portion of the supporting assembly 1.

[0026] The supporting assembly 1 comprises a panel 11, four supporting columns 12 are arranged at the lower four corners of the panel 11, a sliding groove 13 is arranged at the upper portion of the panel 11, two moving plates 14 are arranged at the upper portion of the panel 11, sliding blocks 15 matched with the sliding groove 13 are arranged at the lower portion of the moving plates 14, and bolts 16 are arranged at the four corners of the moving plates 14. Two moving plates 14 are installed on the panel 11, and two accessories can be machined simultaneously. The cooperation of the sliding groove 13 and the sliding block 15 enables the moving plate 14 to be easily moved on the panel 11, thereby improving the convenience of use and enhancing the flexibility of operation. In addition, the bolts 16 can ensure that the moving plate 14 can be stably fixed on the panel 11 when needed, and this design not only enhances the stability of the equipment, but also guarantees the safety and reliability during the working process. The supporting columns 12 provide firm support for the entire equipment.

[0027] The clamping assembly 2 comprises an H-shaped block 21, connecting columns 22, a first rotating shaft 23, connecting pieces 24, fixed columns 25, a back-shaped block 26, a first screw 27, a second rotating shaft 28, an arc-shaped column 29 and a first cylinder 210. The middle part of the H-shaped block 21 is connected with the two connecting columns 22 through the first rotating shaft 23. The connecting columns 22 are provided with the connecting pieces 24 below. The connecting pieces 24 are provided with the fixed columns 25 on both sides. The fixed columns 25 are fixed on the moving plate 14. The back-shaped block 26 is connected with the front end of the H-shaped block 21 through the first screw 27. The tail end of the H-shaped block 21 is connected with the arc-shaped column 29 through the second rotating shaft 28. The arc-shaped column 29 is fixedly connected with the first cylinder 210 below. The tail end of the first cylinder 210 is hingedly connected with the moving plate 14. When the first cylinder 210 is lifted, it will lift the arc-shaped column 29 and the tail end of the H-shaped block 21 connected with the arc-shaped column 29 through the second rotating shaft 28. The middle part of the H-shaped block 21 is connected with the two connecting columns 22 through the first rotating shaft 23. Therefore, when the tail end of the H-shaped block 21 is lifted, the front end of the H-shaped block 21 will be lowered, thereby driving the back-shaped block 26 to be lowered. The clamping and fixing of the machine tool accessory are realized by the downward pressing of the back-shaped block 26. The cooperation of the back-shaped block 26 and the H-shaped block 21 plays a role in adjusting the type of the clamp. The connecting pieces 24 in the middle provide support for the connecting columns 22.

[0028] It should be noted that the front section of the H-shaped block 21 is internally provided with a moving groove 211. The back-shaped block 26 is movably arranged in the moving groove 211. The inside of the back-shaped block 26 is provided with a strip-shaped groove 212. The first screw 27 passes through the strip-shaped groove 212, which can prevent the back-shaped block 26 from being separated from the H-shaped block 21.

[0029] Further, the front section of the H-shaped block 21 is divided into two clamping pieces by the moving groove 211. The first screw 27 passes through the clamping pieces. The clamping pieces have elasticity. The first screw 27 is provided with a nut matched therewith. The nut can be rotated to press the clamping pieces, so that the clamping pieces are clamped against the back-shaped block 26, thereby fixing the back-shaped block 26. The back-shaped block 26 can be loosened by rotating the nut. After being loosened, the back-shaped block 26 can move along the moving groove 211.

[0030] Further, the rear section of the H-shaped block 21 is fixedly provided with a fixed protrusion 213. A second screw 214 is arranged in the fixed protrusion 213. The second screw 214 and the fixed protrusion 213 are rotatably connected through a bearing. The second screw 214 is threadedly connected with an adapter protrusion 215. The adapter protrusion 215 is fixed to the back-shaped block 26. The second screw 214 is rotated. Since the second screw 214 and the adapter protrusion 215 are threadedly connected, the adapter protrusion 215 is moved, thereby driving the back-shaped block 26 to move, so that the length of the back-shaped block 26 extending out can be adjusted. This design can facilitate the back-shaped block 26 to clamp machine tool accessories of different sizes.

[0031] Further, the end bottom of the back-shaped block 26 is fixed with a pressing block 216, the surface of the pressing block 216 is provided with a flexible convex strip 217, the flexible convex strip 217 can increase the friction in the process of contacting with the machine tool accessory, ensure the stability of clamping, and also can play a protection in the process of clamping the machine tool accessory.

[0032] The base plate assembly 3 comprises a hollow base plate 31 and a second air cylinder 32, four second air cylinders 32 are installed at the lower four corners of the hollow base plate 31. The hollow base plate 31 provides a stable support platform for the accessory to be processed, and the second air cylinder 32 rises upward after processing, and raises the processed accessory to a height convenient for transfer.

[0033] The accessory to be processed is placed on the hollow base plate 31, and the cooperation of the sliding groove 13 and the sliding block 15 enables the moving plate 14 to easily slide left and right on the panel 11, so that the position of the clamp can be adjusted as needed, improving the convenience of use and enhancing the flexibility of operation. The moving plate 14 is stably fixed on the panel 11 by tightening the bolt 16. The support column 12 provides a firm support for the entire device. Then when the first air cylinder 210 rises, it will lift the arc-shaped column 29 and the tail end of the H-shaped block 21 connected thereto through the second rotating shaft 28. The middle part of the H-shaped block 21 is connected with the two connecting columns 22 through the first rotating shaft 23, so when the tail end of the H-shaped block 21 rises, the front end will drop, thereby driving the back-shaped block 26 to also drop, and the clamping and fixing of the machine tool accessory is realized by the downward pressure of the back-shaped block 26;

[0034] The front section of the H-shaped block 21 is divided into two clamping pieces by the moving groove 211, the first screw rod 27 passes through the clamping pieces, the clamping pieces have elasticity, and the first screw rod 27 is provided with a nut matched therewith, rotating the nut can extrude the clamping pieces, so that they are clamped against the back-shaped block 26 to fix the back-shaped block 26, while rotating the back nut can release the back-shaped block 26, and the released back-shaped block 26 can move along the moving groove 211. Rotating the second screw rod 214 will drive the link convex block 215 to move, thereby driving the back-shaped block 26 to move, and further adjusting the length of the back-shaped block 26 extending out, which can facilitate the clamping of the back-shaped block 26 to machine tool accessories of different sizes. The end bottom of the back-shaped block 26 is fixed with a pressing block 216, the surface of the pressing block 216 is provided with a flexible convex strip 217, the flexible convex strip 217 can increase the friction in the process of contacting with the machine tool accessory, ensure the stability of clamping, and also can play a protection in the process of clamping the machine tool accessory;

[0035] After the machining of the machine tool accessory is completed, the first cylinder 210 performs a lowering action, driving the H-shaped steel 21 front end and the return-shaped block 26 to rise and reset, preparing for the next machining. Then the second cylinder 32 starts to rise, raising the machined accessory to a height convenient for transfer.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A machine tool accessory machining fixture comprising a support assembly (1), a clamping assembly (2) and a backing plate assembly (3), characterized in that: The support assembly (1) is fixedly connected with clamping assemblies (2) at both ends, and a cushion plate assembly (3) is arranged at the middle of the support assembly (1); The support assembly (1) comprises a panel (11), a sliding groove (13) is arranged on the panel (11), two moving plates (14) are arranged on the panel (11), sliding blocks (15) matched with the sliding groove (13) are arranged below the moving plates (14), and the clamping assemblies (2) are arranged on the moving plates (14); The clamping assembly (2) comprises an H-shaped block (21), connecting columns (22), a back-shaped block (26) and a first air cylinder (210), the middle of the H-shaped block (21) is connected with the two connecting columns (22) through a first rotating shaft (23), the back-shaped block (26) is movably arranged on the H-shaped block (21), and the tail end of the H-shaped block (21) is connected with the first air cylinder (210).

2. The machine tool accessory machining fixture of claim 1, wherein: Four supporting columns (12) are arranged at four corners below the panel (11), and bolts (16) are arranged at four corners of the moving plates (14).

3. The machine tool accessory machining fixture of claim 2, wherein: The clamping assembly (2) further comprises a first rotating shaft (23), a connecting piece (24), a fixing column (25), a first screw rod (27), a second rotating shaft (28) and an arc-shaped column (29), the connecting piece (24) is arranged below the connecting column (22), and the fixing column (25) is mounted on both sides of the connecting piece (24).

4. The machine tool accessory machining fixture of claim 3, wherein: The back-shaped block (26) is connected with the front end of the H-shaped block (21) through the first screw rod (27), the tail end of the H-shaped block (21) is connected with the arc-shaped column (29) through the second rotating shaft (28), and the first air cylinder (210) is fixedly connected below the arc-shaped column (29).

5. The machine tool accessory machining fixture of claim 4, wherein: The front section of the H-shaped block (21) is internally provided with a moving groove (211), the back-shaped block (26) is movably arranged in the moving groove (211), the back-shaped block (26) is internally provided with a strip-shaped groove (212), and the first screw rod (27) passes through the strip-shaped groove (212).

6. The machine tool accessory machining fixture of claim 5, wherein: The cushion plate assembly (3) comprises hollow cushion blocks (31) and second air cylinders (32), and four second air cylinders (32) are mounted at four corners below the hollow cushion blocks (31).

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