CN107891291B - Milling clamping tool for irregular convex side surface of circular sheet with central hole - Google Patents
Milling clamping tool for irregular convex side surface of circular sheet with central hole Download PDFInfo
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- CN107891291B CN107891291B CN201711093966.4A CN201711093966A CN107891291B CN 107891291 B CN107891291 B CN 107891291B CN 201711093966 A CN201711093966 A CN 201711093966A CN 107891291 B CN107891291 B CN 107891291B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a milling and clamping tool for an irregular convex side surface of a circular sheet with a central hole, which solves the problem that the existing clamp cannot adapt to small arc teeth arranged at the position of an outward bulge of a circular sheet workpiece with the central hole. The novel lifting type workpiece lifting device is characterized in that an up-down central through hole (2) is formed in a lower step of a step base block (1), a cylinder (4) is movably arranged in the up-down central through hole (2), a cylinder lifting guide pin (6) is movably arranged in an upward inclined spiral groove (8) in the side wall of a cylindrical sleeve (7), a central guide cylinder (10) is fixedly arranged in the center of the top surface of the cylinder (4), a rectangular supporting plate (14) is movably sleeved on the central guide cylinder (10), and the top end of the central guide cylinder (10) is sleeved with a workpiece central hole (25) in a workpiece (28) after penetrating through an inner side end guide cylinder guide hole (16). The rapid processing of the workpiece is realized, and the processing requirements of mass production are met.
Description
Technical Field
The invention relates to a milling and clamping tool for a sheet, in particular to a clamping tool for milling an irregular convex side surface on a circular sheet with a central hole.
Background
Some round sheet workpieces with center holes are made of alloy copper sheets with higher price, and the workpiece blanks are generally finished by stamping in view of processing cost; on the outer side surface of a circular sheet workpiece with a central hole, an irregular outward bulge is sometimes required to be arranged in a process, a smaller arc tooth is arranged at the outward bulge, the arc tooth cannot be processed by a stamping method, if the arc tooth is processed by a wire cutting method, a larger processing allowance is required to be reserved, more materials are removed, and huge waste of the materials is caused; the general comprehensive consideration of the situation is that a machining method combining milling and stamping is economical and practical, but the thin slice workpiece needs to be clamped during milling, the thin slice workpiece is easy to deform and damage the surface by the conventional clamping method, and particularly when the outer arc side surface of the outer edge of the workpiece is machined, the milling force can cause the rotation of the circular thin slice workpiece, so that the arc tooth milling fails.
Disclosure of Invention
The invention provides a milling and clamping tool for an irregular convex side surface of a circular sheet with a central hole, which solves the technical problem that the existing clamp cannot adapt to small arc teeth arranged at the position of an outward bulge of a circular sheet workpiece with the central hole.
The invention solves the technical problems by the following technical proposal:
The milling clamping fixture with circular sheet with central hole and outer convex side includes one stepped base block, one central through hole in the lower step of the stepped base block, one guide key in the upper and lower direction, one cylinder in the central through hole, one guide key slot in the outer side wall of the cylinder, one inside end guide post in the guide key slot, one cylindrical sleeve in the upper side of the lower step, one cylindrical elevating guide pin in the outer side of the cylindrical sleeve, one cantilever handle rod in the outer side of the cylindrical sleeve, one rectangular support plate in the upper side of the cylindrical guide hole, one inside end guide post in the rectangular support plate, one cantilever handle rod in the inner side of the cylindrical sleeve, one inside end guide post in the rectangular support plate, one cantilever handle rod in the inner side of the cylindrical guide hole, one inside end guide post in the rectangular support plate, a workpiece is clamped between the cantilever beam and the rectangular supporting plate, and the top end of the central guide cylinder penetrates through the guide hole of the guide column at the inner side end and then is sleeved with the workpiece central hole on the workpiece.
A guide pin is arranged on the top surface of the outer side of the rectangular supporting plate, a lateral workpiece propping plate is also movably arranged on the top surface of the outer side of the rectangular supporting plate, a long-strip-shaped step through hole is arranged in the center of the lateral workpiece propping plate, the guide pin is arranged in the long-strip-shaped step through hole, a lateral workpiece propping arc-shaped surface is arranged on the inner side of the lateral workpiece propping plate, the lateral workpiece propping arc-shaped surface and the cylindrical side surface of the workpiece are movably propped together, the outer side end of the lateral workpiece jacking plate is provided with a curved pin stirring hole, the outer side end of the rectangular supporting plate is fixedly provided with a curved pin supporting plate, the curved pin supporting plate is provided with a curved pin, the lower end of the curved pin is movably arranged in the curved pin stirring hole, the top end of the curved pin is connected with a curved pin rotating handle, and the cylindrical side surface of the workpiece is provided with a prefabricated irregular outer bulge.
The clamping fixture disclosed by the invention realizes small cutting force machining of the side surface of the sheet, particularly solves the problems of machining deformation and surface clamping damage of a sheet workpiece, achieves the purpose of saving materials in the machining process of the noble metal sheet, is convenient to clamp, realizes quick machining of the workpiece, and meets the machining requirement of mass production.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention in a front view;
FIG. 2 is a schematic view of the overall structure of the present invention in a top view;
FIG. 3 is a diagram showing the relationship between the cylinder 4, the cylinder lift guide pin 6 and the cylinder sleeve 7 when the workpiece is clamped according to the present invention;
FIG. 4 is a view showing the fitting relationship among the cylindrical body 4, the cylindrical lift guide pin 6 and the cylindrical sleeve 7 in the top view direction when the workpiece is clamped according to the present invention;
FIG. 5 is a diagram showing the relationship of the cylinder 4, the cylinder lift guide pin 6 and the cylinder sleeve 7 when the workpiece is loosened;
FIG. 6 is a view showing the fit relationship among the cylinder 4, the cylinder lift guide pin 6 and the cylinder sleeve 7 in the top view when the work piece of the present invention is loosened;
Fig. 7 is a schematic view of the structure of the workpiece 28 of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
The milling and clamping fixture with the irregular convex side surface of the circular sheet with the central hole comprises a step base block 1, wherein a central through hole 2 in the vertical direction is arranged on the lower step of the step base block 1, a guide key 3 in the vertical direction is arranged on the inner side wall of the central through hole 2 in the vertical direction, a cylinder 4 is movably arranged in the central through hole 2 in the vertical direction, a guide key groove 5 is arranged on the outer side wall of the cylinder 4, the guide key 3 in the vertical direction is arranged in the guide key groove 5, a cylindrical sleeve 7 is movably arranged on the table top of the lower step, a spiral groove 8 which inclines upwards is arranged on the side wall of the cylindrical sleeve 7, a cylinder lifting guide pin 6 is fixedly connected on the outer side wall of the cylinder 4, a cantilever handle rod 9 is arranged on the outer side surface of the side wall of the cylindrical sleeve 7, the cylinder lifting guide pin 6 is movably arranged in an upward inclined spiral groove 8 on the side wall of the cylinder sleeve 7, the cylinder lifting guide pin 6 slides along the upward inclined spiral groove 8 by rotating the cantilever handle rod 9, the cylinder sleeve 7 rotates on the lower table surface, the cylinder lifting guide pin 6 on the cylinder 4 climbs upward spirally along the upward inclined spiral groove 8, the upward sliding lifting of the cylinder 4 in the central through hole 2 in the up-down direction is achieved, the center of the top surface of the cylinder 4 is fixedly provided with a center guide cylinder 10, the center guide cylinder 10 is movably sleeved with a rectangular supporting plate 14, the rectangular supporting plate 14 is sleeved on the center guide cylinder 10 through the center guide cylinder through a through hole 16, the inner side end guide post 15 is fixedly arranged on the inner side top surface of the rectangular supporting plate 14, the upper step top surface of the step base block 1 is connected with a cantilever beam 11, the center guide column upper end guide hole 12 is arranged at the outer side end of the cantilever beam 11, the center guide column upper end guide hole 12, the center guide column through hole 16 on the rectangular supporting plate 14 and the center guide column 10 on the cylinder 4 are correspondingly arranged, the inner side end guide column 15 is fixedly arranged on the inner side top surface of the rectangular supporting plate 14, the inner side end guide column guide hole 13 is arranged at the inner side end of the cantilever beam 11, the inner side end guide column 15 is movably arranged in the inner side end guide column guide hole 13, the workpiece 28 is clamped between the cantilever beam 11 and the rectangular supporting plate 14, and the top end of the center guide column 10 is sleeved with the workpiece center hole 25 on the workpiece 28 after passing through the inner side end guide column guide hole 16.
The automatic bending machine comprises a rectangular supporting plate 14, a workpiece lateral tightening plate 17, a long-strip-shaped step through hole 19, a workpiece tightening arc surface 18, a cylindrical side surface 27, a bent pin stirring hole 21, a bent pin supporting plate 23, a bent pin 22, a bent pin rotating handle 24 and a prefabricated irregular outer protrusion 26, wherein the guide pin 20 is arranged on the outer side top surface of the rectangular supporting plate 14, the workpiece lateral tightening plate 17 is movably arranged on the outer side top surface of the rectangular supporting plate 14, the long-strip-shaped step through hole 19 is arranged in the center of the workpiece lateral tightening plate 17, the guide pin 20 is arranged in the long-strip-shaped step through hole 19, the workpiece tightening arc surface 18 is movably abutted to the cylindrical side surface 27 of the workpiece 28, the bent pin supporting plate 23 is fixedly arranged at the outer side end of the workpiece lateral tightening plate 17, the bent pin 22 is arranged on the bent pin supporting plate 23, the lower end of the bent pin 22 is movably arranged in the bent pin stirring hole 21, and the top end of the bent pin 22 is connected with the bent pin rotating handle 24, and the prefabricated irregular outer protrusion 26 is arranged on the cylindrical side surface 27 of the workpiece 28.
A workpiece center hole 25 on a workpiece 28 passes through the center guide cylinder 10 on the cylinder 4 and is placed on the upper end surface of the rectangular supporting plate 14, and the straight side end surface of the workpiece 28 is tightly abutted against the side surface of the guide pin 20 on the outer side top surface of the rectangular supporting plate 14; pushing the cantilever handle rod 9 to rotate the cylinder sleeve 7, so that the cylinder lifting guide pin 6 slides along the spiral groove 8 which is inclined upwards on the cylinder sleeve 7, and the cylinder 4 moves linearly upwards by sliding upwards on the vertical guide key 3 in the central through hole 2 in the vertical direction of the lower step of the step base block 1 through the guide key slot 5 on the outer side wall of the cylinder 4, so that the workpiece 28 is clamped between the cantilever beam 11 and the rectangular supporting plate 14, and simultaneously, the top end of the central guide cylinder 10 on the cylinder 4 passes through the guide column guide hole 16 on the inner side end of the rectangular supporting plate 14, the workpiece central hole 25 on the workpiece 28 is sleeved with the guide column upper end guide hole 12 on the outer side end of the cantilever beam 11, and the upper end of the guide column 15 on the inner side end of the rectangular supporting plate 14 is sleeved with the guide column guide hole 13 on the inner side end of the cantilever beam 11, so that the workpiece 28 is ensured not to move; then rotating the curved pin rotating handle 24 to extrude the curved pin poking hole 21 through the curved pin 22, moving the workpiece to push against the inner cambered surface of the large end side of the tightening plate 17 to push against the cylindrical side surface 27 of the workpiece 28, preventing the workpiece 28 from rotating around the central guide cylinder 10 on the cylinder 4, and simultaneously enabling the guide pin 20 on the outer top surface of the rectangular supporting plate 14 to linearly slide in the central strip-shaped step through hole 19 of the tightening plate 17, so as to ensure that the tightening plate 17 does not deflect during movement; finally, milling of the irregular outer protrusions 26 on the cylindrical side 27 of the workpiece 28 is started. After the machining is completed, the work 28 is detached by reverse operation.
Claims (1)
1. The milling clamping fixture with the irregular convex side surface of the circular sheet with the central hole comprises a step base block (1) and is characterized in that a central through hole (2) in the vertical direction is arranged on the lower step of the step base block (1), a guide key (3) in the vertical direction is arranged on the inner side wall of the central through hole (2) in the vertical direction, a cylinder (4) is movably arranged in the central through hole (2) in the vertical direction, a guide key groove (5) is arranged on the outer side wall of the cylinder (4), the guide key (3) in the vertical direction is arranged in the guide key groove (5), a cylindrical sleeve (7) is movably arranged on the table surface of the lower step, a spiral groove (8) which is inclined upwards is arranged on the side wall of the cylindrical sleeve (7), The cylinder (4) is movably arranged in the cylindrical sleeve (7), a cylinder lifting guide pin (6) is fixedly connected to the outer side wall of the cylinder (4), a cantilever handle rod (9) is arranged on the outer side surface of the side wall of the cylindrical sleeve (7), the cylinder lifting guide pin (6) is movably arranged in an upward inclined spiral groove (8) on the side wall of the cylindrical sleeve (7), a central guide cylinder (10) is fixedly arranged in the center of the top surface of the cylinder (4), a rectangular supporting plate (14) is movably sleeved on the central guide cylinder (10), the rectangular supporting plate (14) is sleeved on the central guide cylinder (10) through a central guide cylinder through hole (16), An inner side end guide column (15) is fixedly arranged on the inner side top surface of the rectangular supporting plate (14), a cantilever beam (11) is connected on the upper step top surface of the step base block (1), a center guide column upper end guide hole (12) is arranged at the outer side end of the cantilever beam (11), the center guide column upper end guide hole (12), a center guide column through hole (16) on the rectangular supporting plate (14) and a center guide column (10) on the cylinder (4) are correspondingly arranged, an inner side end guide column (15) is fixedly arranged on the inner side top surface of the rectangular supporting plate (14), an inner side end guide column guide hole (13) is arranged at the inner side end of the cantilever beam (11), The inner side end guide column (15) is movably arranged in the inner side end guide column guide hole (13), a workpiece (28) is clamped between the cantilever beam (11) and the rectangular supporting plate (14), and the top end of the center guide column (10) passes through the inner side end guide column guide hole (13) and then is sleeved with a workpiece center hole (25) on the workpiece (28); A guide pin (20) is arranged on the outer top surface of the rectangular supporting plate (14), a workpiece lateral propping plate (17) is movably arranged on the outer top surface of the rectangular supporting plate (14), a strip-shaped step through hole (19) is arranged in the center of the workpiece lateral propping plate (17), the guide pin (20) is arranged in the strip-shaped step through hole (19), a workpiece propping arc-shaped surface (18) is arranged on the inner side of the large end side of the workpiece lateral propping plate (17), the workpiece propping arc-shaped surface (18) is movably propped against the cylindrical side surface (27) of the workpiece (28) together, a curved pin poking hole (21) is arranged at the outer end of the workpiece lateral propping plate (17), the outer side end of the rectangular supporting plate (14) is fixedly provided with a curved pin supporting plate (23), the curved pin supporting plate (23) is provided with a curved pin (22), the lower end of the curved pin (22) is movably arranged in a curved pin stirring hole (21), the top end of the curved pin (22) is connected with a curved pin rotating handle (24), and a cylindrical side surface (27) of the workpiece (28) is provided with a prefabricated irregular outer bulge (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093966.4A CN107891291B (en) | 2017-11-09 | 2017-11-09 | Milling clamping tool for irregular convex side surface of circular sheet with central hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093966.4A CN107891291B (en) | 2017-11-09 | 2017-11-09 | Milling clamping tool for irregular convex side surface of circular sheet with central hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107891291A CN107891291A (en) | 2018-04-10 |
| CN107891291B true CN107891291B (en) | 2024-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711093966.4A Active CN107891291B (en) | 2017-11-09 | 2017-11-09 | Milling clamping tool for irregular convex side surface of circular sheet with central hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107891291B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207735939U (en) * | 2017-11-09 | 2018-08-17 | 山西汾西重工有限责任公司 | The milling clamping tool of irregular evagination side with centre bore thin rounded flakes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203649493U (en) * | 2013-12-31 | 2014-06-18 | 黄山市永丰机电制造有限公司 | Spiral groove machining fixture |
| CN104625808A (en) * | 2015-01-16 | 2015-05-20 | 苏州市职业大学 | Flexible two-point auxiliary supporting device |
| CN105234699B (en) * | 2015-10-13 | 2017-05-31 | 福建兵工装备有限公司 | Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture |
| CN206550689U (en) * | 2017-03-19 | 2017-10-13 | 张琦竣 | A kind of adjustable more than one piece linkage clamp device |
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2017
- 2017-11-09 CN CN201711093966.4A patent/CN107891291B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207735939U (en) * | 2017-11-09 | 2018-08-17 | 山西汾西重工有限责任公司 | The milling clamping tool of irregular evagination side with centre bore thin rounded flakes |
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| Publication number | Publication date |
|---|---|
| CN107891291A (en) | 2018-04-10 |
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