Tool clamp for machining casting

Abstract

The utility model provides a work fixture for processing castings, which relates to the technical field of casting processing and comprises a workbench, rectangular blocks are symmetrically and fixedly connected to the bottom of the workbench, a bidirectional lead screw movably penetrates through the outer surface of one side of one rectangular block, and sliding blocks are symmetrically connected to the outer surface of the bidirectional lead screw in a threaded manner. According to the centering clamping device, the bidirectional lead screw, the rectangular block, the guide rod, the sliding block, the supporting block, the moving block, the rotating shaft, the rotating base, the fixed block and the clamping block are used in cooperation, casting tools of different sizes can be centered and clamped, and the connecting block, the positioning rod, the positioning hole, the rotating rod, the driving gear, the driven gear, the rotating shaft, the spring, the limiting ring, the rotating base and the U-shaped frame are used in cooperation; the fixed casting tool can be subjected to angle overturning, so that machining of multiple faces of the casting tool can be completed in one-time clamping, the switching and re-clamping time is shortened, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a tooling fixture for processing castings. Background Art

[0002] Casting tooling refers to process equipment obtained by casting (manufacturing). After the casting tooling is cast (manufactured), it often requires further processing, which requires the use of a casting tooling processing fixture device to clamp the casting tooling.

[0003] In the prior art, for example, Chinese patent publication number CN216542029U discloses a fixture device for casting tool processing, including a mounting seat, a support plate, a rib plate, a magnet block, a screw, a baffle plate, a guide rod, a sleeve, an operating rod, a baffle block, a switchable clamping block structure, a detachable cleaning protective cloth structure and a direction-adjustable movable base structure, the mounting seat described on the left side has blind holes on both sides of the front and rear sides of the upper right side, and the mounting seat described on the right side has blind holes on both sides of the front and rear sides of the upper left side; the middle part of the upper part of the mounting seat is respectively connected with a support plate by longitudinal bolts, and the outer side of the support plate is connected with the inner side of the rib plate by bolts, wherein the lower part of the rib plate is respectively connected with the outer side of the upper part of the mounting seat by bolts. The clamping block, longitudinal right-angled triangle groove, transverse right-angled triangle groove, clamping plate and hexagon socket bolt of the utility model are conducive to realizing the function of clamping casting tooling of various shapes.

[0004] In the above patent, the arrangement of a new clamping block, a longitudinal right-angled triangular groove, a transverse right-angled triangular groove, a clamping plate and a hexagon socket bolt is conducive to realizing the function of clamping a casting tool of various shapes. However, after the tool is fixed, only one side can be processed. When the other side needs to be processed, the tool needs to be removed and reinstalled to adjust the position of the tool, which consumes time and thus reduces the processing efficiency of the tool. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the above-mentioned patent that, through the arrangement of a new clamping block, a longitudinal right-angled triangle groove, a transverse right-angled triangle groove, a clamping plate and a hexagon socket bolt, it is conducive to realizing the function of clamping a casting tool of various shapes, but after the tool is fixed, only one side can be processed. When the other side needs to be processed, the tool needs to be removed and reinstalled to adjust the position of the tool, which consumes time and thus reduces the processing efficiency of the tool. A tool fixture for processing castings is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tooling fixture for processing castings, comprising: a workbench, a rectangular block is symmetrically fixedly connected to the bottom of the workbench, a bidirectional screw is movably penetrated by the outer surface of one side of one of the rectangular blocks, a sliding block is symmetrically threadedly connected to the outer surface of the bidirectional screw, a moving block and a supporting block are respectively fixedly connected to the tops of the two sliding blocks, a mounting hole is opened on the outer surface of the moving block, a rotating shaft is connected to the inner surface of the mounting hole through a bearing, a rotating seat is rotatably connected to the outer surface of the support block, a clamping assembly is fixedly connected to the outer surface of the rotating shaft, a driven gear is fixedly connected to the outer surface of the rotating shaft, a rotating rod is rotatably connected to the outer surface of one side of the support block, and a driving gear is fixedly connected to one end of the rotating rod.

[0007] Preferably, a U-shaped frame is fixedly connected to an outer surface of one side of the support block, and the other end of the rotating shaft is rotatably connected to the inner surface of the U-shaped frame.

[0008] Preferably, a plurality of positioning holes are equidistantly formed on an outer surface of one side of the support block, and a positioning rod is symmetrically and movably penetrated and connected to the outer surface of the driving gear.

[0009] Preferably, springs are sleeved on the outer surfaces of the two positioning rods, and a connecting block is fixedly connected between one ends of the two positioning rods.

[0010] Preferably, the two positioning rods are matched with a plurality of positioning holes, and the outer surface of the driving gear is meshed with the outer surface of the driven gear.

[0011] Preferably, one end of the two springs is fixedly connected to an outer surface of one side of the driving gear, and the other ends of the two springs are fixedly connected to an outer surface of one side of the connecting block.

[0012] Preferably, outer surfaces of the two positioning rods are fixedly connected to limit rings, and the limit rings are located on the right side of the driving gear.

[0013] Preferably, the clamping assembly includes a mounting block, a T-slot is provided on the top of the mounting block, a T-block is inserted into the inner surface of the T-slot, a clamping block is fixedly connected to the outer surface of one side of the T-block, a bolt is threadedly passed through the front surface of the mounting block, a threaded hole is provided on the front surface of the T-block, and the bolt and the threaded hole are matched with each other.

[0014] Preferably, a guide rod is fixedly connected between the outer surfaces of the two rectangular blocks, the guide rod movably penetrates the two sliding blocks, and the right end surface of the bidirectional screw is rotatably connected to the outer surface of the other rectangular block.

[0015] Preferably, the outer surface of one of the mounting blocks is fixedly connected to one end of the rotating shaft, and the outer surface of the other mounting block is fixedly connected to one end of the rotating seat.

[0016] Compared with the prior art, the advantages and positive effects of the utility model are:

[0017] 1. In the utility model, by using a bidirectional screw rod, a rectangular block, a guide rod, a sliding block, a supporting block, a moving block, a rotating shaft, a rotating seat, a fixed block and a clamping block, casting tools of different sizes can be centrally clamped, and by using a connecting block, a positioning rod, a positioning hole, a rotating rod, a driving gear, a driven gear, a rotating shaft, a spring, a limiting ring, a rotating seat and a U-shaped frame, the fixed casting tool can be flipped at an angle, so that the processing of multiple surfaces of the casting tool can be completed in one clamping, reducing the time of switching and re-clamping and improving the processing efficiency.

[0018] 2. In the utility model, by using the clamping block, threaded hole, T-block, T-slot, mounting block and bolt in combination, the clamping block can be easily replaced according to the different shapes of casting tooling, thereby improving the clamping and fixing range of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a tooling fixture for machining castings is proposed for the utility model;

[0020] Figure 2 A partial structural schematic diagram of a tooling fixture for machining castings is proposed for the utility model;

[0021] Figure 3 The utility model provides a partial structural development diagram of a tooling fixture for machining castings;

[0022] Figure 4 The utility model provides a schematic diagram of the bottom of a workbench of a fixture for machining castings;

[0023] Figure 5 The utility model provides an expanded view of a clamping assembly of a tooling fixture for machining castings.

[0024] Legend: 1. Moving block; 2. Rotating seat; 3. Workbench; 4. Clamping assembly; 5. Bidirectional screw; 6. Rectangular block; 7. Support block; 8. U-shaped frame; 9. Driven gear; 10. Driving gear; 11. Connecting block; 12. Spring; 13. Rotating shaft; 14. Positioning hole; 15. Positioning rod; 16. Limiting ring; 17. Sliding block; 19. Rotating rod; 20. Mounting hole; 21. Guide rod; 401. Clamping block; 402. Threaded hole; 403. T-block; 404. T-slot; 405. Mounting block; 406. Bolt. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0027] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a tooling fixture for machining castings, comprising: a workbench 3, a rectangular block 6 is symmetrically fixedly connected to the bottom of the workbench 3, a bidirectional screw 5 is movably penetrated through the outer surface of one side of one of the rectangular blocks 6, a sliding block 17 is symmetrically threadedly connected to the outer surface of the bidirectional screw 5, a moving block 1 and a supporting block 7 are respectively fixedly connected to the top of the two sliding blocks 17, a mounting hole 20 is opened on the outer surface of the moving block 1, a rotating shaft 13 is connected to the inner surface of the mounting hole 20 through a bearing, a rotating seat 2 is rotatably connected to the outer surface of the supporting block 7, one end of the rotating seat 2 and the rotating shaft 13 are fixedly connected to a clamping assembly 4, a driven gear 9 is fixedly connected to the outer surface of the rotating shaft 13, a rotating rod 19 is rotatably connected to the outer surface of one side of the supporting block 7, one end of the rotating rod 19 is fixedly connected to the driving gear 10, a U-shaped frame 8 is fixedly connected to the outer surface of one side of the supporting block 7, and the other end of the rotating shaft 13 is rotatably connected to the inner surface of the U-shaped frame 8 Dynamic connection, a plurality of positioning holes 14 are equidistantly provided on the outer surface of one side of the support block 7, a positioning rod 15 is symmetrically and movably penetrated and connected on the outer surface of the driving gear 10, the outer surfaces of the two positioning rods 15 are sleeved with springs 12, a connecting block 11 is fixedly connected between one ends of the two positioning rods 15, the two positioning rods 15 are matched with the plurality of positioning holes 14, the outer surface of the driving gear 10 is meshed with the outer surface of the driven gear 9, one end of the two springs 12 is fixedly connected to the outer surface of one side of the driving gear 10, the other ends of the two springs 12 are fixedly connected to the outer surface of one side of the connecting block 11, the outer surfaces of the two positioning rods 15 are fixedly connected to the limiting ring 16, the limiting ring 16 is located on the right side of the driving gear 10, a guide rod 21 is fixedly connected between the outer surfaces of the two rectangular blocks 6, the guide rod 21 and the two sliding blocks 17 are movably penetrated, and the right end face of the bidirectional screw 5 is rotatably connected to the outer surface of the other rectangular block 6.

[0028] The effect achieved by the entire embodiment 1 is that when it is necessary to clamp the casting tooling, the casting tooling is placed between the two clamping blocks 401, and then the bidirectional screw rod 5 is rotated to make the bidirectional screw rod 5 rotate on the two rectangular blocks 6, and under the setting of the guide rod 21, the two sliding blocks 17 are synchronously moved toward each other along the guide rod 21 and the bidirectional screw rod 5, so that the moving block 1 and the supporting block 7 are moved. Therefore, with the cooperation of the two clamping blocks 401, the casting tooling is fixed at the center position of the workbench 3, and then the casting tooling is processed. When one side of the casting tooling is processed and the other sides need to be processed, the staff can pull the connecting block 11 to make the two positioning rods 15 slide on the driving gear 10, driving the two springs 12 to stretch. When the two limit rings 16 are fitted with the driving gear 10, the two positioning rods 15 are no longer engaged with the positioning holes 14, and then through The connecting block 11 and the positioning rod 15 rotate the driving gear 10, so that the driving gear 10 and the rotating rod 19 rotate on the supporting block 7. The rotation of the driving gear 10 will drive the driven gear 9 to rotate, so that the rotating shaft 13 will rotate on the U-shaped frame 8 and the supporting block 7, so that one of the clamping blocks 401 is rotated, and at the same time, with the cooperation of the rotating seat 2, the other clamping block 401 is rotated. When the angle of the casting tooling is adjusted to a suitable position, the connecting block 11 is released. Under the action of the two springs 12, the connecting block 11 and the guide rod 21 are driven to reset, so that the two guide rods 21 are inserted into the corresponding positioning holes 14, and the driving gear 10 is limited to avoid the self-rotation of the driving gear 10, thereby completing the flipping of the casting tooling angle. The processing of multiple surfaces of the casting tooling can be completed in one clamping, reducing the time of switching and re-clamping, and improving the processing efficiency.

[0029] Embodiment 2, as Figure 1-Figure 5 As shown, the clamping assembly 4 includes a mounting block 405, a T-slot 404 is provided on the top of the mounting block 405, a T-block 403 is inserted on the inner surface of the T-slot 404, a clamping block 401 is fixedly connected to the outer surface of one side of the T-block 403, a bolt 406 is threadedly penetrated and connected to the front surface of the mounting block 405, a threaded hole 402 is provided on the front surface of the T-block 403, the bolt 406 and the threaded hole 402 are matched, the outer surface of one mounting block 405 is fixedly connected to one end of the rotating shaft 13, and the outer surface of the other mounting block 405 is fixedly connected to one end of the rotating seat 2.

[0030] The effect achieved by the entire embodiment 2 is that, when it is necessary to clamp casting tools of different shapes, the bolt 406 can be screwed out from the mounting block 405 and the threaded hole 402, and the clamping block 401 can be lifted upward to remove the T-block 403 from the T-slot 404, and then the corresponding shape clamping block 401 is replaced. When installing the clamping block 401, the T-block 403 is inserted into the mounting block 405 along the T-slot 404 for preliminary positioning, and then the bolt 406 is screwed in along the hole of the mounting block 405 and then screwed into the threaded hole 402 to complete the fixation of the T-block 403, thereby facilitating and quickly replacing the clamping block 401 to meet the clamping requirements of casting tools of different shapes.

[0031] Working principle: When the casting tooling needs to be clamped, take out the clamping block 401 of the corresponding shape, insert the T-block 403 into the mounting block 405 along the T-slot 404, perform preliminary positioning, and then screw the bolt 406 into the hole of the mounting block 405 and then screw it into the threaded hole 402 to complete the fixation of the T-block 403. Place the casting tooling between the two clamping blocks 401, and then rotate the bidirectional screw rod 5 so that the bidirectional screw rod 5 rotates on the two rectangular blocks 6 and is fixed on the guide rod 2. 1, the two sliding blocks 17 are synchronously moved toward each other along the guide rod 21 and the bidirectional screw rod 5, so that the moving block 1 and the supporting block 7 are moved. Therefore, with the cooperation of the two clamping blocks 401, the casting tooling is fixed at the center position of the workbench 3, and then the casting tooling is processed. When one side of the casting tooling is processed and the other side needs to be processed, the staff can pull the connecting block 11 to make the two positioning rods 15 slide on the driving gear 10, driving the two springs 12 to stretch. , when the two limiting rings 16 are fitted with the driving gear 10, the two positioning rods 15 are no longer engaged with the positioning holes 14, and then the driving gear 10 is rotated through the connecting block 11 and the positioning rod 15, so that the driving gear 10 and the rotating rod 19 are rotated on the supporting block 7, and the rotation of the driving gear 10 will drive the driven gear 9 to rotate, so that the rotating shaft 13 will rotate on the U-shaped frame 8 and the supporting block 7, so that one of the clamping blocks 401 is rotated, and at the same time, with the cooperation of the rotating seat 2, the other clamping block 401 is rotated. When the angle of the casting tooling is adjusted to a suitable position, the connecting block 11 is released, and under the action of the two springs 12, the connecting block 11 and the guide rod 21 are driven to reset, so that the two guide rods 21 are inserted into the corresponding positioning holes 14, and the driving gear 10 is limited, and the driving gear 10 is prevented from rotating, thereby completing the flipping of the casting tooling angle, and the processing of multiple surfaces of the casting tooling can be completed in one clamping, reducing the time of switching and re-clamping, and improving the processing efficiency.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A fixture for machining castings, characterized in that: include: A workbench (3), wherein a rectangular block (6) is symmetrically fixedly connected to the bottom of the workbench (3), a bidirectional screw (5) is movably penetrated through the outer surface of one side of one of the rectangular blocks (6), a sliding block (17) is symmetrically threadedly connected to the outer surface of the bidirectional screw (5), and the tops of the two sliding blocks (17) are respectively fixedly connected to a moving block (1) and a supporting block (7), a mounting hole (20) is opened on the outer surface of the moving block (1), and the inner surface of the mounting hole (20) is connected to a rotating shaft (13) through a bearing, the outer surface of the supporting block (7) is rotatably connected to a rotating seat (2), one end of the rotating seat (2) and the rotating shaft (13) are fixedly connected to a clamping assembly (4), the outer surface of the rotating shaft (13) is fixedly connected to a driven gear (9), the outer surface of one side of the supporting block (7) is rotatably connected to a rotating rod (19), and one end of the rotating rod (19) is fixedly connected to a driving gear (10).

2. The jig for machining castings according to claim 1, characterized in that: A U-shaped frame (8) is fixedly connected to an outer surface of one side of the support block (7), and the other end of the rotating shaft (13) is rotatably connected to the inner surface of the U-shaped frame (8).

3. The jig for machining castings according to claim 2, characterized in that: A plurality of positioning holes (14) are equidistantly formed on the outer surface of one side of the support block (7), and a positioning rod (15) is symmetrically and movably penetrated and connected to the outer surface of the driving gear (10).

4. The jig for machining castings according to claim 3, characterized in that: The outer surfaces of the two positioning rods (15) are both sleeved with springs (12), and a connecting block (11) is fixedly connected between one ends of the two positioning rods (15).

5. The jig for machining castings according to claim 4, characterized in that: The two positioning rods (15) are matched with a plurality of positioning holes (14), and the outer surface of the driving gear (10) is meshed with the outer surface of the driven gear (9).

6. The jig for machining castings according to claim 5, characterized in that: One end of the two springs (12) is fixedly connected to an outer surface of one side of the driving gear (10), and the other ends of the two springs (12) are fixedly connected to an outer surface of one side of the connecting block (11).

7. The jig for machining castings according to claim 6, characterized in that: The outer surfaces of the two positioning rods (15) are fixedly connected to a limiting ring (16), and the limiting ring (16) is located on the right side of the driving gear (10).

8. The jig for machining castings according to claim 7, characterized in that: The clamping assembly (4) comprises a mounting block (405), a T-shaped slot (404) is provided on the top of the mounting block (405), a T-shaped block (403) is inserted into the inner surface of the T-shaped slot (404), a clamping block (401) is fixedly connected to the outer surface of one side of the T-shaped block (403), a bolt (406) is threadedly penetrated through the front surface of the mounting block (405), a threaded hole (402) is provided on the front surface of the T-shaped block (403), and the bolt (406) and the threaded hole (402) are matched.

9. The jig for machining castings according to claim 8, characterized in that: A guide rod (21) is fixedly connected between the outer surfaces of the two rectangular blocks (6), the guide rod (21) movably penetrates the two sliding blocks (17), and the right end surface of the bidirectional screw rod (5) is rotatably connected to the outer surface of the other rectangular block (6).

10. The jig for machining castings according to claim 9, characterized in that: The outer surface of one of the mounting blocks (405) is fixedly connected to one end of the rotating shaft (13), and the outer surface of the other mounting block (405) is fixedly connected to one end of the rotating seat (2).

Images