CN109333117B - Thin-wall special-shaped support plate clamp and method for processing large end face of support plate - Google Patents
Thin-wall special-shaped support plate clamp and method for processing large end face of support plate Download PDFInfo
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- CN109333117B CN109333117B CN201811519904.XA CN201811519904A CN109333117B CN 109333117 B CN109333117 B CN 109333117B CN 201811519904 A CN201811519904 A CN 201811519904A CN 109333117 B CN109333117 B CN 109333117B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a special fixture for a thin-wall special-shaped support plate, which comprises a pair of V-shaped clamping claws 5 with V-shaped end parts, wherein the V-shaped end parts are oppositely arranged and respectively clamp a first positioning side surface 82 of the large end surface side of the thin-wall special-shaped support plate; the claw driving part is used for driving the V-shaped claw to loosen or clamp the thin-wall special-shaped support plate; and a pair of symmetrically arranged pressing plates 1 are pressed against the second positioning side 83 of the large end face side of the thin-wall special-shaped support plate. In this way, the two first positioning side surfaces 82 on the large end surface side of the thin-wall special-shaped support plate are respectively clamped by the V-shaped end parts of the two opposite V-shaped clamping claws 5, and the two first positioning side surfaces 82 on the large end surface side of the thin-wall special-shaped support plate are respectively pressed by the two pressing plates, so that the displacement of the thin-wall special-shaped support plate in three directions is limited, and the thin-wall special-shaped support plate is firmly fixed by the V-shaped clamping claws 5 and the pressing plates and is not easy to loosen.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a thin-wall special-shaped support plate clamp and a method for machining a large end face of a support plate.
Background
As shown in the thin-wall special-shaped support plates in figures 7 to 9, the thin-wall special-shaped precision casting with the material of K4163 is easy to loosen when the surface A is milled, clamping parts such as a vice are used for clamping the two surfaces C1 and C2, so that the flatness of the surface A cannot meet the requirement, and the product cannot be delivered.
Disclosure of Invention
In view of the above, the main purpose of the present invention is to provide a thin-wall special-shaped support plate fixture, which is capable of clamping a first positioning side and a second positioning side of a large end face side of a thin-wall special-shaped support plate when a small end face of the thin-wall special-shaped support plate is limited as a supporting face, and solving the problem that the machining flatness cannot meet the requirement due to easy loosening when the thin-wall special-shaped support plate is clamped by a vice.
The invention relates to a thin-wall special-shaped support plate clamp which comprises:
a pair of V-shaped claws 5 with V-shaped end parts, wherein the V-shaped end parts are oppositely arranged and respectively clamp a first positioning side surface 82 on the large end surface side of the thin-wall special-shaped support plate;
the claw driving part is used for driving the V-shaped claw to loosen or clamp the thin-wall special-shaped support plate;
and a pair of symmetrically arranged pressing plates 1 are pressed against the second positioning side 83 of the large end face side of the thin-wall special-shaped support plate.
By the upper part, the two first positioning side surfaces 82 on the large end surface side of the thin-wall special-shaped support plate are respectively clamped by the V-shaped end parts of the two opposite V-shaped clamping claws 5, and the two first positioning side surfaces 82 on the large end surface side of the thin-wall special-shaped support plate are respectively pressed by the two pressing plates, so that the displacement of the thin-wall special-shaped support plate in three directions is limited, and the thin-wall special-shaped support plate is firmly fixed by the V-shaped clamping claws 5 and the pressing plates and is not easy to loosen.
Preferably, the jaw driving part includes:
a screw (4) with opposite threads at two ends and an optical axis in the middle;
a pair of sliding blocks (3) arranged at two ends of the screw rod (4), wherein threaded holes matched with the screw rod (4) are formed in the sliding blocks (3);
the V-shaped claw (5) is fixedly connected with the sliding block (3).
The two sliding blocks with the threaded holes are respectively arranged at two ends of the threaded rod with different rotation directions, and when the threaded rod is rotated, the two sliding blocks move relatively or oppositely to drive the V-shaped clamping jaw fixedly connected with the sliding blocks to loosen or clamp the thin-wall special-shaped support plate. The driving mode is convenient to adjust and is not easy to loosen.
Preferably, the V-shaped claw comprises a first transverse arm (51), a vertical arm (52) and a second transverse arm (53), wherein the first transverse arm (51) and the second transverse arm (53) are sequentially connected, the first transverse arm (51) is fixedly connected with the sliding block (3), and the second vertical arm (53) is provided with the V-shaped end part.
Preferably, it further comprises:
a clamp chassis (2) fixed on the milling machine workbench;
and the supporting seat (9) is fixedly connected with the clamp chassis (2), the upper end of the supporting seat is provided with a through hole, the screw rod (4) penetrates through the through hole, and the optical axis part is arranged in the through hole.
The supporting seat is supported by the clamp chassis, the screw rod is supported by the supporting seat, and the supporting is firm.
Preferably, the method further comprises: the upper part of the supporting seat is fixedly connected with a limiting block (7), the upper part of the limiting block is provided with a cushion block (6), and the small end face of the thin-wall special-shaped support plate clamp is supported on the cushion block (6).
From the top, the support of the lower end face of the thin-wall special-shaped support plate can be adjusted through the limiting block and the cushion block.
A method for processing a large end face of a thin-wall special-shaped support plate by using the thin-wall special-shaped support plate clamp comprises the following steps:
the first step: clamping the thin-wall special-shaped support plate by using a thin-wall special-shaped support plate clamp;
and a second step of: carrying out back milling on the large end face (81) of the thin-wall special-shaped support plate;
and a third step of: carrying out direct milling on the large end face (81) of the thin-wall special-shaped support plate processed in the second step;
fourth step: and (5) taking the thin-wall special-shaped support plate off the thin-wall special-shaped support plate clamp, checking for qualification, and finishing the processing of the large end face.
By the method, the large end face is milled, the clamp clamps the thin-wall special-shaped support plate without loosening, and the flatness of the large end face meets the processing requirement.
Preferably, in the second step, the spindle speed of the milling machine is 75r/min, the cutting feed speed is 90mm/min, the diameter of the cylindrical hobbing cutter is 60mm, and the cutting depth is 1-2mm.
Preferably, in the third step, the spindle speed of the milling machine is 70r/min, the cutting feed speed is 80mm/min, the diameter of the cylindrical hobbing cutter is 60mm, and the cutting depth is 0.2mm.
Drawings
FIG. 1 is a top view of a thin-walled profiled strip clamp;
FIG. 2 is a side cross-sectional view of a thin-walled profiled strip clamp;
FIG. 3 is a front view of the V-shaped pawl;
FIG. 4 is a side cross-sectional view of the V-shaped pawl;
FIG. 5 is a front view of the slider;
FIG. 6 is a side cross-sectional view of a slider;
FIG. 7 is a front cross-sectional view of a thin-walled shaped support plate;
FIG. 8 is a side cross-sectional view of a thin-walled shaped support plate;
fig. 9 is a top view of a thin-walled shaped support plate.
Detailed Description
As shown in fig. 1 and 2, a thin-wall special-shaped support plate fixture comprises a circular fixture chassis 2 arranged on a workbench, wherein three uniformly distributed threaded through holes 21 are formed in the fixture chassis 2 and are used for fixedly connecting the fixture chassis 2 with the workbench of a milling machine, and a central hole is formed in the center of the fixture chassis; the bottom of the supporting seat 9 is sleeved in a central hole on the clamp chassis 2, and the upper part of the supporting seat is transversely provided with a supporting through hole; the two ends of the screw 4 are provided with reverse threads, the middle part of the screw 4 is provided with an optical axis connected with the threads at the two ends, the screw 4 passes through the supporting through hole, the optical axis is arranged in the supporting through hole and can rotate in the supporting through hole, and the two ends of the screw 4 are respectively provided with a square screw head 41, so that the screw 4 can be conveniently rotated by using an adjustable wrench; two square blocks 3 respectively provided at both end screw thread portions of the screw 4, the square blocks 3 being provided with screw holes 31 (refer to fig. 5 and 6) to be engaged with the screw threads of the screw 4, and when the screw square head 41 is rotated by the adjustable wrench, the two square blocks 3 provided at both ends of the screw 4 are moved opposite or backward because the screw threads of both ends of the screw 4 are reversed; as shown in fig. 3 and 4, the V-shaped clamping jaw 5 comprises a first transverse arm 51, a vertical arm 52 and a second transverse arm 53 which are sequentially connected and are transversely arranged, a fixing hole 511 fixedly connected with the square block 3 is formed in the first transverse arm 51, the vertical arm 52 plays a role of connecting the first vertical arm and the second vertical arm, the end part of the second transverse arm 53 is of a V-shaped structure, two side surfaces 531 forming the V-shaped structure clamp the first positioning side surface 82 on the large end surface 81 side of the thin-wall special-shaped supporting plate 8, the V-shaped structures of the two symmetrically arranged V-shaped clamping jaws 5 clamp the two first positioning side surfaces 82 of the thin-wall special-shaped supporting plate 8, and displacement in the horizontal direction (including x direction and y direction) of the thin-wall special-shaped supporting plate 8 is limited; two pressing plates 1 are symmetrically arranged above the clamp chassis 2 along the direction of the symmetrical center line of the two V-shaped clamping jaws 5, two second positioning side faces 83 (shown in fig. 8) of the thin-wall special-shaped support plate 8 are respectively pressed, the connecting line of the center points of the two second positioning side faces 83 is perpendicular to the connecting line of the center points of the two first positioning side faces 82, each pressing plate 1 is fixedly connected with the clamp chassis 2 through a screw rod, each pressing plate 1 is provided with a strip-shaped adjusting hole 11 along the length direction of each pressing plate 1, and a limit screw 12 can move in the adjusting hole 11 to adjust the fixed position of each pressing plate 1.
When milling the large end face 81 of the thin-wall special-shaped support plate 8, placing the clamp on a workbench of a milling machine, and fastening the whole clamp chassis 2 on the workbench of the milling machine through three threaded through holes 21 on the clamp chassis 2 by using screws; the adjustable wrench is used for screwing the square screw head 41 anticlockwise, and the screw 4 drives the two sliding blocks 3 to move backwards to drive the two V-shaped clamping claws 5 to be separated relatively; the supporting surface B of the thin-wall special-shaped support plate 8 is placed on the cushion block 6 shown in fig. 2, the cushion block 6 is arranged on the limiting block 7, the limiting block 7 is directly arranged on the supporting seat 9, and two opposite first clamping surfaces 82 of the thin-wall special-shaped support plate 8 are respectively aligned with the clamp positioning clamping surfaces 531 on the two V-shaped clamping jaws 5; the adjustable wrench is used for clockwise screwing the square screw rod head 41, the screw rod 4 drives the pair of sliding blocks 3 and the pair of V-shaped clamping claws 7 to move relatively, and the first clamping surfaces 82 on two sides of the thin-wall special-shaped support plate 8 are clamped; the symmetrically arranged pressing plates 1 shown in fig. 1 are respectively arranged on the second positioning side surfaces 83 of the thin-wall special-shaped support plate 8 by using adjustable wrenches, so that the first positioning surface, the second positioning surface and the supporting surface B of the thin-wall special-shaped support plate 8 are positioned, namely, the displacement of the thin-wall special-shaped support plate 8 in three directions is limited.
The method for clamping the thin-wall special-shaped support plate by using the thin-wall special-shaped support plate clamp is described above, and the method for milling the large end face 81 of the thin-wall special-shaped support plate is described below:
the first step: clamping the thin-wall special-shaped support plate by using a thin-wall special-shaped support plate clamp;
and a second step of: milling the large end face 81 of the thin-wall special-shaped support plate in a reverse way;
the main shaft of the milling machine has the rotating speed of 75r/min and the cutting feeding speed of 90mm/min, a cylindrical rolling milling cutter with the diameter of phi 60mm is used for reversely milling the large end face 81 of the thin-wall special-shaped support plate, the cutting depth is 1-2mm, and the large end face 81 is separated by the parameters;
and a third step of: the large end face 81 of the thin-wall special-shaped support plate processed in the second step is milled down;
the main shaft of the milling machine has the rotating speed of 70r/min and the cutting feeding speed of 80mm/min, a cylindrical rolling milling cutter with the diameter of phi 60mm is used for forward milling the large end face 81 of the thin-wall special-shaped support plate, the cutting depth is 0.2mm, and the large end face 81 is separated by the parameters;
fourth step: removing the thin-wall special-shaped support plate from the thin-wall special-shaped support plate clamp, checking for qualification, and finishing the processing of the large end face;
the adjustable wrench is used for screwing the square head 41 of the screw anticlockwise, and the V-shaped claw 5 is loosened; and respectively loosening the pair of pressing plates 1 by using an adjustable wrench, taking down the processed thin-wall special-shaped support plate for inspection, and finishing the processing of the large end face of the thin-wall special-shaped support plate.
By adopting the embodiment, the working efficiency can be greatly improved, the labor intensity of workers is reduced, the processing quality and the product qualification rate are improved, and the problem that the end face of the thin-wall special-shaped support plate is not processed is solved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. Thin wall dysmorphism extension board anchor clamps, the vertical setting of centre gripping and big terminal surface up thin wall dysmorphism extension board, the little terminal surface of thin wall dysmorphism extension board is the face of leaning on, its characterized in that includes:
a pair of V-shaped claws (5) with V-shaped end parts, wherein the V-shaped end parts are oppositely arranged and respectively clamp a first positioning side surface (82) of the large end surface side of the thin-wall special-shaped support plate;
the claw driving part is used for driving the V-shaped claw to loosen or clamp the thin-wall special-shaped support plate;
a pair of symmetrically arranged pressing plates (1) for pressing a second positioning side surface (83) of the large end surface side of the thin-wall special-shaped support plate, wherein the connecting line of the central points of the two second positioning side surfaces (83) is perpendicular to the connecting line of the central points of the two first positioning side surfaces (82), and the second positioning side surfaces (83) are special-shaped surfaces;
the jaw driving part includes:
a screw (4) with opposite threads at two ends and an optical axis in the middle;
a pair of sliding blocks (3) arranged at two ends of the screw rod (4), wherein threaded holes matched with the screw rod (4) are formed in the sliding blocks (3);
the V-shaped claw (5) is fixedly connected with the sliding block (3);
the V-shaped claw comprises a first transverse arm (51), a vertical arm (52) and a second transverse arm (53) which are sequentially connected, wherein the first transverse arm (51) is fixedly connected with the sliding block (3), and the second transverse arm (53) is provided with the V-shaped end part;
it also includes:
a clamp chassis (2) fixed on the milling machine workbench;
and the supporting seat (9) is fixedly connected with the clamp chassis (2), the upper end of the supporting seat is provided with a through hole, the screw rod (4) penetrates through the through hole, and the optical axis part is arranged in the through hole.
2. The thin-walled profiled support plate clamp of claim 1 further comprising:
the upper part of the supporting seat is fixedly connected with a limiting block (7), the upper part of the limiting block is provided with a cushion block (6), and the small end face of the thin-wall special-shaped support plate clamp is supported on the cushion block (6).
3. A method for processing a large end face of a thin-wall special-shaped support plate by using the thin-wall special-shaped support plate clamp as claimed in claim 1 or 2, which is characterized by comprising the following steps:
the first step: clamping the thin-wall special-shaped support plate by using a thin-wall special-shaped support plate clamp;
and a second step of: carrying out back milling on the large end face (81) of the thin-wall special-shaped support plate;
and a third step of: carrying out direct milling on the large end face (81) of the thin-wall special-shaped support plate processed in the second step;
fourth step: and (5) taking the thin-wall special-shaped support plate off the thin-wall special-shaped support plate clamp, checking for qualification, and finishing the processing of the large end face.
4. A method for machining a large end face of a thin-walled special-shaped support plate according to claim 3, characterized in that in the second step, the spindle speed of the milling machine is 75r/min, the cutting feed speed is 90mm/min, the diameter of the cylindrical hobbing cutter is phi 60mm, and the cutting depth is 1-2mm.
5. A method for machining a large end face of a thin-wall special-shaped support plate according to claim 3, wherein in the third step, the spindle speed of the milling machine is 70r/min, the cutting feed speed is 80mm/min, the diameter of the cylindrical hobbing cutter is phi 60mm, and the cutting depth is 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519904.XA CN109333117B (en) | 2018-12-12 | 2018-12-12 | Thin-wall special-shaped support plate clamp and method for processing large end face of support plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519904.XA CN109333117B (en) | 2018-12-12 | 2018-12-12 | Thin-wall special-shaped support plate clamp and method for processing large end face of support plate |
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| CN109333117A CN109333117A (en) | 2019-02-15 |
| CN109333117B true CN109333117B (en) | 2023-07-04 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834479B (en) * | 2019-02-25 | 2024-04-02 | 浙江华亿电气有限公司 | Two-way clamping comprehensive clamp |
| CN112453956A (en) * | 2020-11-19 | 2021-03-09 | 安徽傲宇数控科技有限公司 | Numerical control lathe clamping structure for special-shaped workpiece |
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| CN109333117A (en) | 2019-02-15 |
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