CN115921929B - Modularized clamping device - Google Patents
Modularized clamping device Download PDFInfo
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- CN115921929B CN115921929B CN202211682867.0A CN202211682867A CN115921929B CN 115921929 B CN115921929 B CN 115921929B CN 202211682867 A CN202211682867 A CN 202211682867A CN 115921929 B CN115921929 B CN 115921929B
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Abstract
The invention relates to the technical field of workpiece clamping devices, in particular to a modularized clamping device, which comprises a clamp body and a mold core sleeved on the inner wall of the clamp body and used for clamping a workpiece, wherein the mold core and the clamp body are coaxially arranged; according to the invention, the clamp body and the mold core are arranged, the workpiece is clamped by the clamp body and the mold core, then the clamp body is worth clamping by utilizing the chuck of the machine tool, the damage to the surface and the shape surface of the workpiece caused by direct clamping of the chuck of the main shaft of the machine tool is avoided, the mold core is made of alloy aluminum materials, the workpiece can be effectively clamped in a soft manner, the workpiece is not damaged, the electrostatic effect can be effectively eliminated, and the dustproof cover plates are assembled on the two end surfaces of the cylinder body, so that spray is prevented from splashing into the mold core and the workpiece.
Description
Technical Field
The invention relates to the technical field of workpiece clamping devices, in particular to a modularized clamping device.
Background
At present, when a columnar nonmetallic special material is processed, a three-jaw chuck on a machine tool is used for directly clamping, when the material with lower hardness is processed in the mode, the surface and the shape surface of a workpiece are seriously damaged, and at present, in order to solve the technical problems, the surface of the workpiece is often sleeved with a protection device and then clamped by using the chuck, but the mode has low working efficiency and poor stability in the processing process.
Disclosure of Invention
In view of the above, the invention provides a modularized clamping device, which aims to realize stable clamping of a workpiece and avoid damage to the workpiece caused by a machine tool chuck, namely, not only can realize rapid clamping of the workpiece, but also can avoid damage to the surface and the shape surface of the workpiece.
In order to solve the technical problems, the invention provides a modularized clamping device, which comprises a clamp body and a mold core sleeved on the inner wall of the clamp body and used for clamping a workpiece;
the clamp body comprises a cylinder body, two protruding parts are arranged on the outer wall of the cylinder body, a first groove is reserved between the two protruding parts, and the first groove is arranged to facilitate clamping by a mechanical arm;
the mold core comprises two clamping pressing plates which are symmetrically arranged, wherein cross section diagrams of the two clamping pressing plates are arc-shaped, a gap is reserved between the two clamping pressing plates, a workpiece is inserted between the two clamping pressing plates, a threaded hole is formed in the outer peripheral surface of the protruding portion, the threaded hole extends radially along the cylinder body, a bolt used for adjusting the distance between the two clamping pressing plates is arranged in the threaded hole in a penetrating mode, the side face of the clamping pressing plate, facing the bolt, is provided with a hole corresponding to the threaded hole, and the bolt penetrates.
Further, a second groove is reserved in the middle of the inner wall of the cylinder body, and the section view of the second groove is circular.
Further, the connection parts of the two ends of the outer side of the cylinder body and the mold cores are also provided with dustproof cover plates.
Further, the protruding part and the cylinder body are of an integrated structure.
Further, blind holes are further formed in one side, opposite to the clamping pressing plates, of the two clamping pressing plates, connecting columns are inserted into the two blind holes, and the length of each connecting column is smaller than the maximum distance between the two blind holes.
Further, the outer wall of the connecting column is also sleeved with a spring.
Further, the clamping pressing plate is made of alloy aluminum.
Further, an arc chamfer is arranged at the outer edge of the clamping pressing plate.
Further, the cross-section of the first groove is V-shaped.
The technical scheme of the invention has the following beneficial effects:
1. according to the invention, the clamp body and the mold core are arranged, the workpiece is clamped by the clamp body and the mold core, and then the clamp body is worth using the chuck of the machine tool, so that the damage to the surface and the shape surface of the workpiece caused by direct clamping of the chuck of the main shaft of the machine tool is avoided.
2. The middle die core is made of alloy aluminum materials, so that the workpiece can be effectively clamped in a soft mode, the workpiece is not damaged, and the electrostatic effect can be effectively eliminated.
3. According to the invention, the mold cores can be replaced for reasonable matching according to different specifications of workpieces, the auxiliary clamping jaws of the chuck do not need to be replaced, and the machine tool operation and machine tool adjustment are simplified and facilitated.
4. According to the invention, the first groove of the bulge machine is arranged, so that the clamping device is conveniently clamped by the manipulator, and the interface reservation can be provided for the automatic operation upgrading of the manipulator for clamping, transferring and the like of a workpiece in the later stage of the machine tool of the numerical control lathe.
5. According to the invention, the spring and the connecting column are arranged on the mold core, the two clamping pressing plates are positioned through the connecting column, the workpiece is clamped and loosened in the process of opening and closing the mold, and the dustproof cover plates are assembled on the two end faces of the cylinder body, so that spray is prevented from splashing into the mold core and the workpiece.
Drawings
FIG. 1 is a state diagram of the present invention;
FIG. 2 is a schematic diagram of an axial structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic cross-sectional view of a clamp body according to the present invention;
FIG. 5 is a schematic diagram of an axial measurement structure of a mold core according to the present invention;
FIG. 6 is a schematic view of a clamping platen axis measurement according to the present invention.
In the figure: 1. a chuck; 2. a clamp body; 201. a cylinder; 202. a boss; 203. a first trench; 204. a threaded hole; 205. a second trench; 206. a bolt; 3. a workpiece; 4. a dust-proof cover plate; 5. a mold core; 501. clamping the pressing plate; 502. a connecting column; 503. a spring; 504. a blind hole; 505. arc chamfering.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1-6: the utility model provides a modularization clamping device, locates the mold core 5 that the clamp body 2 inner wall was used for centre gripping work piece 3 including the clamp body 2 and cover, and mold core 5 and the coaxial setting of clamp body 2 pass through bolt 206 fixed connection between mold core 5 and the clamp body 2, and the inside passageway that is used for wearing to establish work piece 3 that remains of mold core 5, and passageway diameter accessible mold core 5 finely tunes, and clamp body 2 both ends face department is equipped with dustproof apron 4, and dustproof apron 4 is the ring shape.
Specifically, the modularized clamping device comprises a clamping body 2 and a mold core 5 sleeved on the inner wall of the clamping body 2 and used for clamping a workpiece 3;
The clamp body 2 comprises a cylinder 201, two protruding parts 202 are arranged on the outer wall of the cylinder 201, a first groove 203 is reserved between the two protruding parts 202, a cross section of the first groove 203 is in a V shape, the first groove 203 is convenient for a manipulator to clamp, the manipulator is convenient for clamping a clamping device by arranging the protruding parts 202 and the first groove 203, and interface reservation is provided for the later automatic upgrading of a numerically controlled lathe machine tool by the manipulator; the mold core 5 comprises two symmetrically arranged clamping pressure plates 501, the clamping pressure plates 501 are made of alloy aluminum, the outer surfaces and the inner walls of the two clamping pressure plates 501 are all arc-shaped, arc-shaped chamfers 505 are arranged at the outer edges of the clamping pressure plates 501, a channel for penetrating through a workpiece 3 is formed on one side of the two opposite clamping pressure plates 501, a gap is reserved between the two clamping pressure plates 501, and mold opening and mold closing are realized by adjusting the distance between the two clamping pressure plates 501, so that the workpiece 3 is clamped;
Screw holes 204 are further formed in one side of the outer wall of the protruding portion 202, bolts 206 for adjusting the distance between the two clamping pressing plates 501 are arranged in the screw holes 204 in a penetrating mode, and when the clamping pressing plates 501 are adjusted, adjustment can be achieved by rotating the bolts 206 on the outer side of the clamp body 2.
In this embodiment, the clamp body 2 and the mold core 5 are provided, the clamp body 2 and the mold core 5 are utilized to clamp the workpiece 3, then the clamp body 2 is worth by utilizing the machine tool chuck 1, the damage to the surface and the shape surface of the workpiece 3 caused by direct clamping of the machine tool spindle chuck 1 is avoided, the mold core 5 is made of alloy aluminum materials, the workpiece 3 can be effectively clamped in a soft mode, the workpiece 3 is not damaged, the electrostatic effect can be effectively eliminated, in addition, when the workpieces 3 with different specifications are clamped, the mold core 5 can be replaced for reasonable matching, the auxiliary clamping jaw of the chuck 1 is not required to be replaced, and the machine tool operation and machine tool adjustment are simplified and facilitated.
According to one embodiment of the present invention, as shown in fig. 3-4, a second groove 205 is reserved in the middle of the inner wall of the cylinder 201, and the second groove 205 is circular in cross-section.
The second groove 205 is arranged, when the mold core 5 is worn or the inner wall of the clamp body 2 is polluted, residues can be temporarily dropped into the second groove 205, and the mold core 5 is ensured to smoothly penetrate into the clamp body 2.
According to another embodiment of the present invention, as shown in fig. 1 to 4, the protruding portion 202 and the barrel 201 are integrally formed, and by forming the protruding portion 202 and the barrel 201 as an integrally formed structure, on one hand, the clip body 2 can be manufactured at one time, which is convenient for manufacturing and processing, and on the other hand, the connection strength between the protruding portion 202 and the barrel 201 can be ensured.
In one embodiment of the present invention, as shown in fig. 5, blind holes 504 are further formed on opposite sides of the two clamping plates 501, the connecting pillars 502 are inserted into the two blind holes 504, the length of the connecting pillars 502 is smaller than the maximum distance between the two blind holes 504, that is, when the two clamping plates 501 are installed, the two clamping plates 501 can be close to or far away from each other, the connecting pillars 502 play a role in positioning, and when the two clamping plates 501 are completely attached, two ends of the connecting pillars 502 are in contact with the deepest parts of the blind holes 504.
In addition, in this embodiment, the outer wall of the connecting post 502 is further sleeved with a spring 503. By providing the springs 503 and the connecting posts 502 on the mold core 5, the two clamping press plates 501 are positioned by the connecting posts 502, and the "mold opening-closing" process "clamps-releases" the work 3.
In another embodiment of the present invention, two clamping plates 501 with different outer diameters may be selected, wherein the larger clamping plate 501 is fixedly connected with the fixture body 2, and the smaller clamping plate 501 may be adjusted to achieve clamping during use.
The working principle of the invention is as follows:
During assembly, the mold core 5 is inserted into the fixture body 2, the dustproof cover plates 4 are assembled on the two end faces of the fixture body 2, the two clamping pressing plates 501 are kept in a loose and open state under the action of the elastic force of the springs 503, then the workpiece 3 is penetrated between the two clamping pressing plates 501, the bolts 206 are screwed down to enable the two clamping pressing plates 501 to clamp the workpiece 3 rapidly, after clamping is completed, the fixture body 2 is clamped onto the machine tool chuck 1 again to be processed, damage to the workpiece 3 is avoided, after processing is completed, the bolts 206 are loosened, the two clamping pressing plates 501 are separated from each other under the action of the springs 503, the mold core 5 is loosened, and the workpiece 3 is taken out. In the present invention, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211682867.0A CN115921929B (en) | 2022-12-27 | 2022-12-27 | Modularized clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211682867.0A CN115921929B (en) | 2022-12-27 | 2022-12-27 | Modularized clamping device |
Publications (2)
| Publication Number | Publication Date |
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| CN115921929A CN115921929A (en) | 2023-04-07 |
| CN115921929B true CN115921929B (en) | 2024-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211682867.0A Active CN115921929B (en) | 2022-12-27 | 2022-12-27 | Modularized clamping device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207642749U (en) * | 2017-09-14 | 2018-07-24 | 桂林福达齿轮有限公司 | A kind of Novel spline milling heart carrier for bolt |
| CN109176101A (en) * | 2018-11-15 | 2019-01-11 | 成都科力夫科技有限公司 | A kind of piston ring finishing of internal diameter fixture |
| CN213889075U (en) * | 2020-09-28 | 2021-08-06 | 杭州大和热磁电子有限公司 | Two-dimensional processing jig for cylindrical workpiece |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4190338B2 (en) * | 2003-04-18 | 2008-12-03 | オリンパス株式会社 | Workpiece holding device |
| CN102049695B (en) * | 2010-11-10 | 2013-01-02 | 西安航天动力机械厂 | Processing method and technological equipment for cylindrical thin and long thin-walled workpiece |
| CN108941644A (en) * | 2017-05-19 | 2018-12-07 | 吴小伟 | A kind of clamping mechanism of numerically controlled lathe |
| CN209664848U (en) * | 2019-03-18 | 2019-11-22 | 肖青见 | Lathe work holder |
| CN218015981U (en) * | 2021-09-26 | 2022-12-13 | 东莞国开智能制造有限公司 | Metal product cutter head assembly |
| CN216178745U (en) * | 2021-09-27 | 2022-04-05 | 成都易德利机械有限公司 | Shell finish turning tool |
-
2022
- 2022-12-27 CN CN202211682867.0A patent/CN115921929B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207642749U (en) * | 2017-09-14 | 2018-07-24 | 桂林福达齿轮有限公司 | A kind of Novel spline milling heart carrier for bolt |
| CN109176101A (en) * | 2018-11-15 | 2019-01-11 | 成都科力夫科技有限公司 | A kind of piston ring finishing of internal diameter fixture |
| CN213889075U (en) * | 2020-09-28 | 2021-08-06 | 杭州大和热磁电子有限公司 | Two-dimensional processing jig for cylindrical workpiece |
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| Publication number | Publication date |
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| CN115921929A (en) | 2023-04-07 |
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Address after: 721000 south entrance of Ping'an Road, high tech Development Zone, Baoji City, Shaanxi Province Patentee after: Baoji Yiji Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 721000 south entrance of Ping'an Road, high tech Development Zone, Baoji City, Shaanxi Province Patentee before: Baoji Yiji Intelligent Equipment Co.,Ltd. Country or region before: China |
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Effective date of registration: 20260119 Address after: 508, 5th Floor, Building 1, Courtyard 3, Jinguan North 2nd Street, Shunyi District, Beijing, 101300 Patentee after: Beijing Building Ark Technology Co.,Ltd. Country or region after: China Address before: 721000 south entrance of Ping'an Road, high tech Development Zone, Baoji City, Shaanxi Province Patentee before: Baoji Yiji Intelligent Equipment Co.,Ltd. Country or region before: China |
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