Positioning clamp for workpiece machining

Abstract

The utility model relates to the technical field of positioning clamps, and discloses a positioning clamp for workpiece machining, which comprises a bottom plate, a workbench fixedly connected to the top of the bottom plate, a workpiece positioning mechanism fixedly connected to the top of the workbench, a machining mechanism fixedly connected to the top of the bottom plate, and a cooling mechanism installed outside the machining mechanism. The workpiece positioning mechanism comprises a supporting block, the bottom of the supporting block is fixedly connected to the top of the workbench, the front side of the supporting block is fixedly connected with a pushing assembly, the pushing assembly is fixedly connected with a sliding plate, the top of the sliding plate is fixedly connected with a first positioning plate, and the bottom of the sliding plate is slidably connected with a sliding rail. According to the clamp, the second fixing shaft drives the sliding blocks at the bottom to slide inwards at the same time to position and clamp workpieces on the containing table, center positioning can be conducted on the workpieces, it is guaranteed that each workpiece can be correctly aligned in the clamp, and machining deviation caused by positioning errors is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning fixture technical field especially relates to a positioning fixture of workpiece processing. BACKGROUND

[0002] In batch production, workpiece processing needs to be carried out efficiently and quickly, positioning fixture can ensure the rapid center positioning of workpiece, reduce manual intervention, and can provide stable positioning in precision welding to ensure the correct position of workpiece during welding process.

[0003] The structure of the positioning fixture for workpiece processing includes a positioning plate one, a positioning fixed plate and the like. The positioning fixture can be automatically adjusted, can quickly adapt to workpieces of different sizes and shapes, and through mechanical transmission, pneumatic and hydraulic devices, the operator can quickly and accurately adjust the fixture to adapt to different processing tasks.

[0004] In the prior art, some devices are fixed by using grooves. However, when workpieces are fixed by using grooves, the positioning accuracy of the workpieces is difficult to guarantee, and the design and processing of the grooves are difficult to be completely accurate, thereby affecting the accuracy requirement of the entire processing process. The groove fixing method can only fix the workpieces, but cannot simultaneously effectively realize accurate positioning, which leads to displacement and deviation of the workpieces during the processing process. Therefore, the positioning fixture for workpiece processing is proposed to solve the above problems. SUMMARY

[0005] The positioning fixture for workpiece processing is proposed to improve the problem that some devices in the prior art do not consider the accuracy and stability of positioning during workpiece processing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] The positioning fixture for workpiece processing includes a bottom plate, a workbench fixedly connected to the top of the bottom plate, a workpiece positioning mechanism fixedly connected to the top of the workbench, a processing mechanism fixedly connected to the top of the bottom plate, and a cooling mechanism installed outside the processing mechanism. The workpiece positioning mechanism includes a support block fixedly connected to the top of the workbench, a push assembly fixedly connected to the front side of the support block, a sliding plate fixedly connected to the push assembly, a positioning plate one fixedly connected to the top of the sliding plate, a slide rail slidably connected to the bottom of the sliding plate, a rotating disc rotatably connected to the top of the sliding plate, a fixed shaft one fixedly connected to the top of the sliding plate, a follow-up assembly slidably connected to the outside of the slide rail, a placement table fixedly connected to the top of the workbench, and two positioning fixed plates fixedly connected to the top of the placement table.

[0008] As a further description of the above technical scheme:

[0009] The pushing assembly comprises a cylinder and a driving block, the rear side of the cylinder is fixedly connected to the front side of the supporting block, and the rear side of the driving block is slidingly connected to the output end of the cylinder.

[0010] As a further description of the above technical solution:

[0011] The follower assembly comprises a second fixed shaft, a sliding block and a second positioning plate, the outer part of the second fixed shaft is rotatably connected to the inner part of the rotating disc, the bottom of the second fixed shaft is fixedly connected to the top of the sliding block, the inner part of the sliding block is slidingly connected to the outer part of the sliding rail, and the bottom of the second positioning plate is fixedly connected to the top of the sliding block.

[0012] As a further description of the above technical solution:

[0013] The processing mechanism comprises a supporting column, the bottom of the supporting column is fixedly connected to the top of the bottom plate, the inner part of the supporting column is slidingly connected with a sliding processing plate, and the bottom of the sliding processing plate is fixedly connected with a processing tool bit.

[0014] As a further description of the above technical solution:

[0015] The cooling mechanism comprises a fixed block, the inner part of the fixed block is fixedly connected with an output pipe, the bottom of the output pipe is fixedly connected with a storage box, the bottom of the placing table is fixedly connected with a suction pipe, the outer part of the suction pipe is fixedly connected with a suction pump, the inner part of the storage box is slidingly connected with two sliding strips, and the inner part of the two sliding strips is fixedly connected with a filter plate.

[0016] As a further description of the above technical solution:

[0017] The bottom of the suction pump is fixedly connected to the bottom of the storage box, and the bottom of the sliding rail is fixedly connected to the top of the workbench.

[0018] As a further description of the above technical solution:

[0019] The bottom of the storage box is fixedly connected to the top of the bottom plate, and the outer part of the filter plate is slidingly connected to the inner part of the storage box.

[0020] As a further description of the above technical solution:

[0021] The bottom of the suction pipe is fixedly connected to the top of the storage box, and the left side of the processing tool bit is fixedly connected to the right side of the output pipe.

[0022] The utility model has the advantages of the following:

[0023] 1. In the utility model, the cylinder pushes the sliding plate to slide outside the slide rail through the driving block, the positioning plate one slides inwards, the rotating disc rotates, the fixed shaft two drives the sliding block at the bottom to slide inwards simultaneously to position and clamp the workpiece on the placement table, the workpiece can be centrally positioned, it is ensured that each workpiece can be correctly positioned in the clamp, processing deviation caused by positioning error is reduced, thereby improving processing precision.

[0024] 2. In the utility model, the output pipe sprays cooling liquid in the process of machining the machining tool, the extraction pump sucks the waste liquid in the placement table into the storage box through the suction pipe, the filter plate filters, the recycling and filtering of the cooling liquid can effectively avoid leakage and waste of the cooling liquid, and reduce pollution to the environment. Recycling of the cooling liquid can reduce waste liquid discharge and meet environmental protection requirements. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the positioning clamp for workpiece machining provided by the utility model;

[0026] Figure 2 It is a structural schematic view of the workbench of the positioning clamp for workpiece machining provided by the utility model;

[0027] Figure 3 It is Figure 2 the enlarged view of A in the utility model;

[0028] Figure 4 It is Figure 2 the enlarged view of B in the utility model.

[0029] LEGEND:

[0030] 1, bottom plate; 2, workbench; 3, workpiece positioning mechanism; 4, support block; 5, cylinder; 6, driving block; 7, sliding plate; 8, positioning plate one; 9, slide rail; 10, rotating disc; 11, fixed shaft one;

[0031] 12, fixed shaft two; 13, sliding block; 14, positioning plate two; 15, placement table; 16, machining mechanism;

[0032] 17, support column; 18, sliding machining plate; 19, machining tool; 20, cooling mechanism; 21, fixed block; 22, output pipe; 23, storage box; 24, suction pipe; 25, extraction pump; 26, filter plate; 27, sliding bar; 28, positioning fixed plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0034] With reference to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a positioning clamp for workpiece machining, comprising a bottom plate 1, the bottom plate 1 provides stable support for the overall device, the top of the bottom plate 1 is fixedly connected with a workbench 2, the workbench 2 provides support for workpiece positioning and machining, the top of the workbench 2 is fixedly connected with a workpiece positioning mechanism 3, the workpiece positioning mechanism 3 is used for center positioning and fixing of the workpiece during workpiece machining, the top of the bottom plate 1 is fixedly connected with a machining mechanism 16, and the machining mechanism 16 is externally provided with a cooling mechanism 20.

[0035] The workpiece positioning mechanism 3 comprises a support block 4, the bottom of the support block 4 is fixedly connected to the top of the workbench 2, the support block 4 provides support for a pushing assembly, the front side of the support block 4 is fixedly connected with the pushing assembly, the pushing assembly comprises a gas cylinder 5 and a driving block 6, the rear side of the gas cylinder 5 is fixedly connected to the front side of the support block 4, the rear side of the driving block 6 is slidingly connected to the output end of the gas cylinder 5, the gas cylinder 5 outputs power through the driving block 6, the pushing assembly is fixedly connected with a sliding plate 7, the sliding plate 7 slides outside a sliding rail 9 under the driving of the driving block 6, the top of the sliding plate 7 is fixedly connected with a positioning plate one 8, the sliding of the sliding plate 7 drives the positioning plate one 8 to slide inward, the bottom of the sliding plate 7 is slidingly connected with the sliding rail 9, the bottom of the sliding rail 9 is fixedly connected to the top of the workbench 2, the sliding rail 9 provides sliding and guiding support for the sliding plate 7, the top of the sliding plate 7 is rotatably connected with a rotating disc 10, the top of the sliding plate 7 is fixedly connected with a fixed shaft one 11, the fixed shaft one 11 is fixed on the sliding plate 7 while being inside the rotating disc 10, and the rotating disc 10 rotates along with the sliding of the sliding plate 7.

[0036] The outer part of the sliding rail 9 is connected with a follow-up assembly, the follow-up assembly comprises a fixed shaft two 12, a sliding block 13, a positioning plate two 14, the outer part of the fixed shaft two 12 is rotatably connected in the inner part of the rotating disc 10, the bottom of the fixed shaft two 12 is fixedly connected to the top of the sliding block 13, the inner part of the sliding block 13 is slidably connected to the outer part of the sliding rail 9, the fixed shaft two 12 rotates in the inner part of the rotating disc 10 to drive the sliding block 13 at the bottom of the fixed shaft two 12 to slide in the outer part of the sliding rail 9, the bottom of the positioning plate two 14 is fixedly connected to the top of the sliding block 13, the top of the placement table 15 is fixedly connected with two positioning fixed plates 28, the sliding plate 7 and the sliding block 13 slide to the inner part of the placement table 15 at the same time to position and fix the workpiece, the positioning fixed block 21 is fixed on the opposite sides of the placement table 15 and the sliding plate 7 and the sliding block 13, and the positioning and fixing are completed after the workpiece abuts against the two positioning fixed plates 28.

[0037] With reference to Figure 1 , Figure 2 and Figure 4 , the machining mechanism 16 comprises a support column 17, the bottom of the support column 17 is fixedly connected to the top of the bottom plate 1, the support column 17 supports the structure in the machining mechanism 16, the inner part of the support column 17 is slidably connected with a sliding machining plate 18, the sliding machining plate 18 is slidable to adjust the up-down position of a machining tool bit 19, the bottom of the sliding machining plate 18 is fixedly connected with the machining tool bit 19, the left side of the machining tool bit 19 is fixedly connected to the right side of an output pipe 22, the machining tool bit 19 is a core component for machining the workpiece, the cooling mechanism 20 comprises a fixed block 21, the fixed block 21 supports the cooling pipe, the inner part of the fixed block 21 is fixedly connected with the output pipe 22, the output pipe 22 is connected with a storage tank 23 to output cooling liquid to ensure cooling during the machining process.

[0038] The bottom of the output pipe 22 is fixedly connected with the storage tank 23, the bottom of the storage tank 23 is fixedly connected to the top of the bottom plate 1, the bottom of the placement table 15 is fixedly connected with a suction pipe 24, the bottom of the suction pipe 24 is fixedly connected to the top of the storage tank 23, the outer part of the suction pipe 24 is fixedly connected with a pumping pump 25, the bottom of the pumping pump 25 is fixedly connected to the bottom of the storage tank 23, the storage tank 23 stores cooling liquid, and through the suction pipe 24 and the pumping pump 25, the waste cooling liquid inside the placement table 15 is pumped to be filtered and recycled, the inner part of the storage tank 23 is slidably connected with two sliding strips 27, the inner part of the two sliding strips 27 is fixedly connected with a filter plate 26, the sliding strip 27 drives the filter plate 26 connected to the inner part to slide out of the storage tank 23 to conveniently clean and replace the filter plate 26, the outer part of the filter plate 26 is slidably connected in the inner part of the storage tank 23, and the filter plate 26 is used to purify the waste cooling liquid for recycling.

[0039] Working principle: the base plate 1 provides stable support for the whole device, the workbench 2 is fixed on the top of the base plate 1, as the positioning and processing support surface of the workpiece, the workpiece is centrally positioned and fixed through the workpiece positioning mechanism 3, the support block 4 supports the pushing assembly on the workbench 2, and the sliding plate 7 is used to realize accurate positioning of the workpiece, the output power of the air cylinder 5 is transmitted through the driving block 6, the sliding plate 7 slides on the slide rail 9, so that the positioning plate one 8 slides inward, the fixed shaft one 11 is fixed on the sliding plate 7 and in the inside of the rotating disc 10, with the rotation of the rotating disc 10 on the sliding plate 7, the fixed shaft two 12 rotates in the inside of the rotating disc 10, drives the sliding plate 7 at the bottom of the fixed shaft two 12 and the positioning plate two 14 at the top of the sliding block 13 to slide inward outside the slide rail 9, so that the workpiece is pushed against the two positioning fixed plates 28 by the positioning plate one 8 and the positioning plate two 14, and the positioning and fixing are realized.

[0040] After the workpiece is fixed, the machining mechanism 16 starts to work, the supporting column 17 is fixed on the base plate 1, the sliding machining plate 18 connected inside can adjust the up-down position of the machining tool bit 19 to adapt to the machining requirements of different workpieces, the output pipe 22 fixed with the fixed block 21 on the left side of the machining tool bit 19 is connected with the cooling mechanism 20, so that cooling liquid is provided to prevent overheating during machining, the output pipe 22 outputs the cooling liquid in the storage box 23 for cooling, the suction pipe 24 sucks the waste cooling liquid on the placement table 15 into the storage box 23 through the suction pump 25 for filtration and recycling, and in the recycling process of the cooling liquid, the filter plate 26 in the storage box 23 can be conveniently cleaned and replaced through the sliding strip 27, so as to keep the cooling liquid pure.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A positioning fixture for workpiece machining, comprising a base plate (1), characterized in that: A workbench (2) is fixedly connected to the top of the base plate (1), a workpiece positioning mechanism (3) is fixedly connected to the top of the workbench (2), a processing mechanism (16) is fixedly connected to the top of the base plate (1), and a cooling mechanism (20) is installed on the outside of the processing mechanism (16). The workpiece positioning mechanism (3) includes a support block (4), the bottom of which is fixedly connected to the top of the worktable (2). A pushing component is fixedly connected to the front side of the support block (4), and a sliding plate (7) is fixedly connected to the pushing component. A positioning plate (8) is fixedly connected to the top of the sliding plate (7). A slide rail (9) is slidably connected to the bottom of the sliding plate (7). A rotating disc (10) is rotatably connected to the top of the sliding plate (7). A fixed shaft (11) is fixedly connected to the top of the sliding plate (7). A follower component is slidably connected to the outside of the slide rail (9). A placement platform (15) is fixedly connected to the top of the worktable (2), and two positioning plates (28) are fixedly connected to the top of the placement platform (15).

2. The positioning fixture for workpiece machining according to claim 1, characterized in that: The pushing assembly includes a cylinder (5) and a drive block (6). The rear side of the cylinder (5) is fixedly connected to the front side of the support block (4), and the rear side of the drive block (6) is slidably connected to the output end of the cylinder (5).

3. The positioning fixture for workpiece machining according to claim 1, characterized in that: The follower assembly includes a second fixed shaft (12), a sliding block (13), and a second positioning plate (14). The second fixed shaft (12) is rotatably connected to the inside of the rotating disk (10) from the outside. The bottom of the second fixed shaft (12) is fixedly connected to the top of the sliding block (13). The inside of the sliding block (13) is slidably connected to the outside of the slide rail (9). The bottom of the second positioning plate (14) is fixedly connected to the top of the sliding block (13).

4. A positioning fixture for workpiece machining according to claim 1, characterized in that: The processing mechanism (16) includes a support column (17), the bottom of which is fixedly connected to the top of the base plate (1), and a sliding processing plate (18) is slidably connected inside the support column (17), and a processing head (19) is fixedly connected to the bottom of the sliding processing plate (18).

5. A positioning fixture for workpiece machining according to claim 4, characterized in that: The cooling mechanism (20) includes a fixed block (21), an output pipe (22) is fixedly connected inside the fixed block (21), a storage tank (23) is fixedly connected to the bottom of the output pipe (22), a suction pipe (24) is fixedly connected to the bottom of the placement platform (15), a suction pump (25) is fixedly connected to the outside of the suction pipe (24), and two sliding strips (27) are slidably connected inside the storage tank (23), and a filter plate (26) is fixedly connected inside the two sliding strips (27).

6. A positioning fixture for workpiece machining according to claim 5, characterized in that: The bottom of the extraction pump (25) is fixedly connected to the bottom of the storage tank (23), and the bottom of the slide rail (9) is fixedly connected to the top of the workbench (2).

7. A positioning fixture for workpiece machining according to claim 5, characterized in that: The bottom of the storage box (23) is fixedly connected to the top of the base plate (1), and the outside of the filter plate (26) is slidably connected to the inside of the storage box (23).

8. A positioning fixture for workpiece machining according to claim 5, characterized in that: The bottom of the suction tube (24) is fixedly connected to the top of the storage box (23), and the left side of the processing head (19) is fixedly connected to the right side of the output tube (22).

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