Special-shaped workpiece machining jig

Abstract

The utility model discloses a special-shaped workpiece machining jig, belongs to the technical field of machining jigs, and aims to solve the problems that in the prior art, a side special-shaped workpiece is inconvenient to fix, and a clamp occupies a to-be-machined surface of the workpiece and is inconvenient to adjust. A receding pressing mechanism is arranged in the area above the workpiece containing table and comprises a pressing air cylinder, an angle adjusting rotating sleeve, a cross-shaped pressing frame and an angle adjusting rotating block, the pressing air cylinder is arranged above the horizontal top plate, and the angle adjusting rotating block is fixed to the lowermost end of an output shaft of the pressing air cylinder. According to the utility model, through the arrangement of the abdicating pressing mechanism, before the cross-shaped pressing frame carries out pressing operation, the angle-adjusting rotating sleeve is controlled to rotate along the angle-adjusting rotating block, so that the horizontal angle of the cross-shaped pressing frame can be adjusted, and the pressing part of the end surface of the special-shaped workpiece can be switched; in this way, the cross-shaped pressing frame can give way to the part to be machined in the machining process of the end face of the special-shaped workpiece.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing jigs, and in particular relates to a processing jig for special-shaped workpieces. Background Art

[0002] Special-shaped workpieces refer to those workpieces with irregular shapes that are quite different from conventional shapes. These workpieces may have complex curves, surfaces or asymmetric structures. In mold production or machining parts, some special-shaped workpieces are often encountered, and processing fixtures are required to process special-shaped workpieces.

[0003] Some special-shaped workpieces have special-shaped conditions on the side, which makes it difficult to clamp the side of the special-shaped workpiece during processing. The clamping force of the clamping tool of the processing machine on the special-shaped workpiece is also limited. This will result in the need to clamp and process the upper end face of the workpiece with special-shaped sides. The fixture occupies the surface to be processed of the special-shaped workpiece, which sometimes affects the processing. Among them, the method of frequently shifting the workpiece to adjust the clamping position is more cumbersome, especially when the special-shaped workpiece is large in size, it is more difficult to move.

[0004] Therefore, a special-shaped workpiece processing fixture is needed to solve the problems in the prior art that the side special-shaped workpiece is inconvenient to fix and the fixture occupies the surface to be processed of the workpiece and is inconvenient to adjust. Utility Model Content

[0005] The purpose of the utility model is to provide a special-shaped workpiece processing jig to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a special-shaped workpiece processing fixture, comprising a workpiece placing table, a horizontal top plate is arranged above the workpiece placing table, a yielding and pressing mechanism is arranged in the upper area of ​​the workpiece placing table, the yielding and pressing mechanism comprises a pressing cylinder, an angle adjustment sleeve, a cross pressing frame and an angle adjustment rotating block, the pressing cylinder is arranged above the horizontal top plate, the angle adjustment rotating block is fixed to the lowermost end of the output shaft of the pressing cylinder, the angle adjustment sleeve is arranged on the outside of the angle adjustment rotating block, the cross pressing frame is fixed at the lower edge of the side of the angle adjustment rotating sleeve, a positioning mechanism is arranged below the pressing cylinder, the positioning mechanism comprises a cross positioning groove, a positioning seat and a positioning sliding sleeve, the cross positioning groove is opened on the upper surface of the horizontal top plate, the positioning sliding sleeve is slidably connected in the cross positioning groove of the horizontal top plate, and the upper end of the positioning sliding sleeve is fixed with an adjusting seat.

[0007] It should be noted in the solution that a through-opening is provided on the upper end surface of the angle-adjusting rotating sleeve, an angle-adjusting rotating groove is provided inside the angle-adjusting rotating sleeve, and the angle-adjusting rotating groove is communicated with the through-opening.

[0008] It is further worth mentioning that the angle adjustment rotating block is rotatably connected in the angle adjustment rotating groove of the angle adjustment rotating sleeve, and the output shaft of the clamping cylinder extends out of the through-opening of the angle adjustment rotating sleeve.

[0009] It should be further explained that anti-wear pads are fixed to the lower end surfaces of the angle adjustment sleeve and the cross clamping frame, and the sleeve seat of the clamping cylinder is fixed to the upper part of the position adjustment seat.

[0010] As a preferred implementation, a locking disk is disposed below the positioning seat, and the output shaft of the clamping cylinder passes through the positioning seat, the positioning sleeve and the locking disk in sequence.

[0011] As a preferred implementation, a locking spiral pattern is provided at the lower portion of the side surface of the positioning sleeve, and the locking plate is threadedly connected to the locking spiral pattern portion of the positioning sleeve.

[0012] As a preferred implementation, a locking screw hole is provided inside the locking disk, an anti-skid washer is fixed to the upper end surface of the locking disk, and telescopic openings are provided inside the adjusting seat and the adjusting sleeve.

[0013] As a preferred embodiment, a support frame is fixed at the upper rear edge of the workpiece placement table, and the upper end of the support frame is fixed on the rear surface of the horizontal top plate.

[0014] Compared with the prior art, the special-shaped workpiece processing jig provided by the utility model has at least the following beneficial effects:

[0015] ⑴ Through the setting of the yielding and clamping mechanism, before the cross clamping frame implements the clamping operation, the angle adjustment sleeve is controlled to rotate along the angle adjustment block to adjust the horizontal angle of the cross clamping frame and switch the holding position of the end face of the special-shaped workpiece, so that the cross clamping frame can yield to the processing position during the processing of the end face of the special-shaped workpiece.

[0016] ⑵ Through the setting of the positioning mechanism, during use, the sliding adjustment limit of the positioning sleeve at the cross positioning groove of the horizontal top plate can be unlocked, so that the position of the cross clamping frame above the end face of the special-shaped workpiece can be flexibly adjusted, so that the clamping operation can be performed at different positions to adapt to the application scenario of special-shaped workpiece positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1This is a three-dimensional diagram of the overall structure of a special-shaped workpiece processing fixture of the utility model;

[0019] Figure 2 This is a three-dimensional diagram of the structure of a cross clamping frame of a special-shaped workpiece processing fixture of the utility model;

[0020] Figure 3 This is a three-dimensional diagram of the cross-sectional structure of an angle-adjusting rotating sleeve of a special-shaped workpiece processing jig of the utility model;

[0021] Figure 4 The utility model is a three-dimensional diagram of the positioning sleeve structure of a special-shaped workpiece processing fixture.

[0022] In the figure: 1. workpiece placement table; 2. support frame; 3. horizontal top plate; 4. cross adjustment groove; 5. clamping cylinder; 6. angle adjustment sleeve; 7. cross clamping frame; 8. anti-wear gasket; 9. angle adjustment groove; 10. angle adjustment block; 11. through-port; 12. adjustment seat; 13. adjustment sleeve; 14. locking spiral pattern; 15. locking disk; 16. anti-slip gasket; 17. locking screw hole; 18. telescopic opening. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with embodiments.

[0024] See also Figure 1-4 The utility model provides a special-shaped workpiece processing fixture, including a workpiece placement table 1, a horizontal top plate 3 is arranged above the workpiece placement table 1, and a yielding and pressing mechanism is arranged in the upper area of ​​the workpiece placement table 1, and the yielding and pressing mechanism includes a pressing cylinder 5, an angle adjustment sleeve 6, a cross pressing frame 7 and an angle adjustment rotating block 10. The pressing cylinder 5 is arranged above the horizontal top plate 3, and the angle adjustment rotating block 10 is fixed to the lowermost end of the output shaft of the pressing cylinder 5. The angle adjustment sleeve 6 is sleeved on the outside of the angle adjustment rotating block 10, and the cross pressing frame 7 is fixed at the lower edge of the side of the angle adjustment rotating sleeve 6. A positioning mechanism is arranged below the pressing cylinder 5, and the positioning mechanism includes a cross positioning groove 4, a positioning seat 12 and a positioning sleeve 13. The cross positioning groove 4 is opened on the upper surface of the horizontal top plate 3, and the positioning sleeve 13 is slidably connected in the cross positioning groove 4 of the horizontal top plate 3, and the upper end of the positioning sleeve 13 is fixed with an adjusting seat 12.

[0025] Further Figure 1 , Figure 2 and Figure 3 As shown, it is worth to explain in detail that the upper end surface of the angle adjustment rotating sleeve 6 is provided with a through-opening 11 , and the interior of the angle adjustment rotating sleeve 6 is provided with an angle adjustment rotating groove 9 , and the angle adjustment rotating groove 9 is communicated with the through-opening 11 .

[0026] Further Figure 3As shown, it is worth explaining in detail that the angle adjustment rotating block 10 is rotatably connected in the angle adjustment rotating groove 9 of the angle adjustment rotating sleeve 6, and the output shaft of the clamping cylinder 5 extends out of the through-opening 11 of the angle adjustment rotating sleeve 6.

[0027] This solution has the following working process: before use, the special-shaped workpiece is placed on the table of the workpiece placement table 1, and then the clamping cylinder 5 is turned on. The output end of the clamping cylinder 5 drives the cross clamping frame 7 to move down and press on the end face of the special-shaped workpiece from above. Before the cross clamping frame 7 implements the clamping operation, the angle adjustment sleeve 6 is controlled to rotate along the angle adjustment block 10 to adjust the horizontal angle of the cross clamping frame 7 and switch the pressing position on the end face of the special-shaped workpiece, so that the cross clamping frame 7 can make way for the processing position during the processing of the end face of the special-shaped workpiece.

[0028] According to the above working process, it can be known that before the cross clamping frame 7 implements the clamping operation, controlling the angle adjustment sleeve 6 to rotate along the angle adjustment block 10 can adjust the horizontal angle of the cross clamping frame 7 and switch the clamping position on the end face of the special-shaped workpiece, so that the cross clamping frame 7 can make way for the processing position during the processing of the end face of the special-shaped workpiece.

[0029] Further as Figure 1 , Figure 2 and Figure 4 As shown, it is worth explaining in detail that the lower end surfaces of the angle adjustment sleeve 6 and the cross clamping frame 7 are fixed with anti-wear pads 8, and the sleeve seat of the clamping cylinder 5 is fixed on the upper part of the adjustment seat 12.

[0030] Further as Figure 4 As shown, it is worth to explain in detail that a locking disk 15 is arranged below the position adjustment seat 12, and the output shaft of the pressing cylinder 5 passes through the position adjustment seat 12, the position adjustment sleeve 13 and the locking disk 15 in sequence.

[0031] Further as Figure 1 As shown, it is worth explaining in detail that a locking spiral pattern 14 is provided on the lower part of the side of the positioning sleeve 13, and the locking plate 15 is threadedly connected to the locking spiral pattern 14 of the positioning sleeve 13. During use, the locking plate 15 is rotated along the locking spiral pattern 14 of the positioning sleeve 13, so as to unlock the sliding adjustment limit of the positioning sleeve 13 at the cross positioning groove 4 of the horizontal top plate 3, so that the position of the cross clamping frame 7 above the end face of the special-shaped workpiece can be flexibly adjusted, so that the clamping operation can be performed on different positions to adapt to the application scenario of positioning of special-shaped workpieces.

[0032] Further as Figure 1 As shown, it is worth to explain in detail that a locking screw hole 17 is arranged inside the locking disk 15, an anti-skid washer 16 is fixed to the upper end surface of the locking disk 15, and a telescopic opening 18 is opened inside the adjusting seat 12 and the adjusting sleeve 13.

[0033] Further as Figure 1 As shown, it is worth explaining in detail that a support frame 2 is fixed at the upper rear edge of the workpiece placement table 1, and the upper end of the support frame 2 is fixed on the rear surface of the horizontal top plate 3.

[0034] In summary: before the cross clamping frame 7 implements the clamping operation, controlling the angle adjustment sleeve 6 to rotate along the angle adjustment block 10 can adjust the horizontal angle of the cross clamping frame 7 and switch the pressing position on the end face of the special-shaped workpiece, so that the cross clamping frame 7 can make way for the processing position during the processing of the end face of the special-shaped workpiece; during use, the sliding adjustment limit of the adjustment sleeve 13 at the cross adjustment groove 4 of the horizontal top plate 3 can be unlocked, so that the position of the cross clamping frame 7 above the end face of the special-shaped workpiece can be flexibly adjusted, so that the clamping operation can be performed on different positions to adapt to the application scenario of special-shaped workpiece positioning.

[0035] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A jig for processing special-shaped workpieces, comprising a workpiece placement table (1), characterized in that: A horizontal top plate (3) is arranged above the workpiece placement platform (1), and a yielding and clamping mechanism is arranged in the upper area of ​​the workpiece placement platform (1), the yielding and clamping mechanism comprising a clamping cylinder (5), an angle adjustment rotating sleeve (6), a cross clamping frame (7) and an angle adjustment rotating block (10), the clamping cylinder (5) is arranged above the horizontal top plate (3), the angle adjustment rotating block (10) is fixed to the lowermost end of the output shaft of the clamping cylinder (5), the angle adjustment rotating sleeve (6) is sleeved on the outer side of the angle adjustment rotating block (10), and the angle adjustment rotating sleeve (6) is sleeved on the outer side of the angle adjustment rotating block (10). The cross clamping frame (7) is fixed at the lower edge of the side of the angle adjustment sleeve (6); a positioning mechanism is arranged below the clamping cylinder (5); the positioning mechanism comprises a cross positioning groove (4), a positioning seat (12) and a positioning sleeve (13); the cross positioning groove (4) is opened on the upper surface of the horizontal top plate (3); the positioning sleeve (13) is slidably connected in the cross positioning groove (4) of the horizontal top plate (3); and the upper end of the positioning sleeve (13) is fixed with the positioning seat (12).

2. The special-shaped workpiece processing jig according to claim 1, characterized in that: The upper end surface of the angle-adjusting rotating sleeve (6) is provided with a through-opening (11), the interior of the angle-adjusting rotating sleeve (6) is provided with an angle-adjusting rotating groove (9), and the angle-adjusting rotating groove (9) is communicated with the through-opening (11).

3. The special-shaped workpiece processing jig according to claim 2, characterized in that: The angle adjustment rotating block (10) is rotatably connected in the angle adjustment rotating groove (9) of the angle adjustment rotating sleeve (6), and the output shaft of the pressing cylinder (5) extends out of the through-opening (11) of the angle adjustment rotating sleeve (6).

4. The special-shaped workpiece processing jig according to claim 3, characterized in that: The lower end surfaces of the angle adjustment sleeve (6) and the cross clamping frame (7) are both fixed with anti-wear pads (8), and the sleeve seat of the clamping cylinder (5) is fixed on the upper part of the position adjustment seat (12).

5. The special-shaped workpiece processing jig according to claim 4, characterized in that: A locking disk (15) is arranged below the positioning seat (12), and the output shaft of the pressing cylinder (5) passes through the positioning seat (12), the positioning sleeve (13) and the locking disk (15) in sequence.

6. The special-shaped workpiece processing jig according to claim 5, characterized in that: A locking spiral pattern (14) is provided at the lower part of the side surface of the position adjusting sliding sleeve (13), and the locking disc (15) is threadedly connected to the locking spiral pattern (14) of the position adjusting sliding sleeve (13).

7. The special-shaped workpiece processing jig according to claim 6, characterized in that: The locking disk (15) is provided with a locking screw hole (17) inside, an anti-skid washer (16) is fixed to the upper end surface of the locking disk (15), and telescopic openings (18) are provided inside the position adjustment seat (12) and the position adjustment sliding sleeve (13).

8. The special-shaped workpiece processing jig according to claim 7, characterized in that: A support frame (2) is fixed at the upper rear edge of the workpiece placement platform (1), and the upper end of the support frame (2) is fixed on the rear surface of the horizontal top plate (3).

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