CN114350909B - Clamping device for quenching large-size thin-wall workpiece and quenching method - Google Patents
Clamping device for quenching large-size thin-wall workpiece and quenching method Download PDFInfo
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- CN114350909B CN114350909B CN202210019216.7A CN202210019216A CN114350909B CN 114350909 B CN114350909 B CN 114350909B CN 202210019216 A CN202210019216 A CN 202210019216A CN 114350909 B CN114350909 B CN 114350909B
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- profiling block
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- clamping device
- quenching
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- 238000010791 quenching Methods 0.000 title claims abstract description 38
- 230000000171 quenching effect Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The invention relates to the technical field of aluminum alloy quenching, and particularly discloses a clamping device for quenching large-size thin-wall workpieces and a quenching method, wherein the clamping device is arranged on a clamping arm, a visual grabbing device is arranged on the clamping device, the clamping device is in a plurality of groups, each group of clamping device comprises a clamping fixing plate, a plurality of cylinders, a plurality of pull rods and a profiling block which are sequentially arranged on one side of the clamping fixing plate, the workpiece is arranged on the outer side of the profiling block, a conical table is arranged in the profiling block, the large end face of the conical table is connected with the clamping fixing plate through a telescopic part, the profiling block comprises an upper profiling block and a lower profiling block, and the upper profiling block is connected with the lower profiling block in a matched manner. The visual grabbing device is arranged on the clamping device, so that clamping is more accurate; the output end of the cylinder pushes the profiling block to stretch out or shrink through the push rod, and the elastic body arranged in the profiling block grabs and tightens the workpiece, so that labor cost and material waste are reduced, and meanwhile production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy quenching, and particularly relates to a clamping device for quenching a large-size thin-wall workpiece and a quenching method.
Background
At present, aluminum alloy sections with large-size (more than 100 diagonal lines) and thin walls (less than 2mm wall thickness) are quenched by extruding the aluminum alloy sections on line in a strong air cooling or water cooling mode at an outlet of an extruder, but for some aluminum alloys with high performance requirements, the on-line quenching cannot meet the performance requirements and needs off-line quenching. And (3) off-line quenching, namely heating the material to a certain temperature, preserving heat for a period of time, and then rapidly cooling to achieve the aim of quenching. For large-size thin-wall materials, rapid cooling can lead to material deformation, and tolerance requirements are difficult to meet, so that the invention is urgently needed to provide a clamping device and a quenching method for quenching large-size thin-wall workpieces.
Disclosure of Invention
The invention aims to provide a clamping device for quenching a large-size thin-wall workpiece and a quenching method, and solves the problems.
In order to solve the technical problems, the invention provides a clamping device for quenching large-size thin-wall workpieces, which is arranged on clamping arms, wherein the clamping device is provided with a visual grabbing device, the clamping device is a plurality of groups, each group of clamping device comprises a clamping fixing plate, a plurality of cylinders, a plurality of pull rods and a profiling block, the cylinders, the pull rods and the profiling blocks are sequentially arranged on one side of the clamping fixing plate, the workpiece is arranged on the outer side of the profiling block, a conical table is arranged in the profiling block, the large end face of the conical table is connected with the clamping fixing plate through a telescopic part, the profiling block comprises an upper profiling block and a lower profiling block, the upper profiling block is connected with the lower profiling block in a matched manner, and a plurality of elastic bodies are connected between the inner sides of the upper profiling block and the lower profiling block.
Further, the number of the pull rods is equal to that of the air cylinders, the output ends of the air cylinders are connected with one end of the pull rods, the profiling blocks are connected with the other ends of the pull rods, and a plurality of grooves are formed in the inner walls of the profiling blocks.
Further, a plurality of grooves form wavy grooves.
Further, the elastic body is a spring.
A quenching method for a large-size thin-wall workpiece comprises the following steps:
s1, clamping arms clamp clamping fixing plates on a plurality of groups of clamping devices respectively, a pull rod is in a contracted state, a workpiece is heated in a heating furnace with the heat preservation temperature of 680-690 ℃, after the heating is completed and the heat preservation is carried out for 2-3 hours, the workpiece is discharged from the heating furnace, a visual grabbing device on the clamping devices locks the position of the inner cavity of the workpiece, the output end of a cylinder pushes the pull rod to extend, the pull rod drives a profiling block to be rapidly inserted into the inner cavity of the workpiece, and after the specified position is reached, an elastomer in the profiling block is stretched, the upper profiling block and the lower profiling block are sprung out, and the inner cavity of the workpiece is tensioned;
s2, the clamping arm rapidly moves a workpiece arranged on the outer side of the profiling block into a quenching tank, and water spray quenching is carried out on the workpiece;
s3, after quenching is finished, the flatness deformation of the workpiece is 0.2-0.5%, and the perpendicularity deformation is 0.1-0.2%;
s4, when different workpieces are produced, the clamping device matched with the workpieces can be replaced.
The clamping device has the beneficial effects that the visual grabbing device is arranged on the clamping device, so that clamping is more accurate; the output end of the cylinder pushes the profiling block to stretch out or shrink through the push rod, and the elastic body arranged in the profiling block grabs and tightens the workpiece, so that labor cost and material waste are reduced, and meanwhile production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall construction diagram of a clamping device for quenching large-sized thin-walled workpieces;
fig. 2 is a left side view of a large-sized thin-walled workpiece quenching clamping device with a clamping device mounted in one of the workpiece lumens.
In the figure: the clamping device comprises a clamping device 1, a groove 2, a clamping fixing plate 11, a cylinder 12, a pull rod 13, a profiling block 14, a workpiece 15, a conical table 16, a telescopic part 17, an upper profiling block 141, a lower profiling block 142 and an elastomer 143.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In a specific embodiment of the invention, as shown in fig. 1-2, a clamping device for quenching a large-size thin-wall workpiece is specifically disclosed, the clamping device 1 is installed on a clamping arm, a visual grabbing device is installed on the clamping device 1, the clamping device 1 is in a plurality of groups, each group of clamping device 1 comprises a clamping fixing plate 11, a plurality of air cylinders 12, a plurality of pull rods 13 and a profiling block 14 which are sequentially arranged on one side of the clamping fixing plate 11, a workpiece 15 is installed on the outer side of the profiling block 14, a conical table 16 is arranged in the profiling block 14, the large end face of the conical table 16 is connected with the clamping fixing plate 11 through a telescopic part 17, the profiling block 14 comprises an upper profiling block 141 and a lower profiling block 142, the upper profiling block 141 is connected with the lower profiling block 142 in a matched manner, a plurality of elastic bodies 143 are connected between the inner sides of the upper profiling block 141 and the lower profiling block 142, and the elastic bodies 143 are springs.
The number of the pull rods 13 is equal to that of the air cylinders 12, the output ends of the air cylinders 12 are connected with one end of the pull rods 13, the profiling block 14 is connected with the other end of the pull rods 13, a plurality of grooves 2 are formed in the inner wall of the profiling block 14, and the grooves 2 form wavy grooves.
A quenching method for a large-size thin-wall workpiece comprises the following steps:
s1, clamping arms clamp clamping fixing plates 11 on a plurality of groups of clamping devices 1 respectively, a pull rod 13 is in a contracted state, a workpiece 15 is heated in a heating furnace with the heat preservation temperature of 680-690 ℃, after heating is finished and heat preservation is carried out for 2-3 hours, the workpiece 15 is discharged from the heating furnace, a visual grabbing device on the clamping devices 1 locks the inner cavity position of the workpiece 15, the output end of an air cylinder 12 pushes the pull rod 13 to extend, the pull rod 13 drives a profiling block 14 to be rapidly inserted into the inner cavity of the workpiece 15, and after the profiling block 14 reaches a specified position, an elastic body 143 in the profiling block 14 stretches to stretch and flick an upper profiling block 141 and a lower profiling block 142 to tension the inner cavity of the workpiece 15;
s2, the clamping arm rapidly moves a workpiece 15 arranged on the outer side of the profiling block (14) into a quenching tank, and water spray quenching is carried out on the workpiece 15;
s3, after quenching is finished, the flatness deformation of the workpiece is 0.2-0.5%, and the perpendicularity deformation is 0.1-0.2%;
s4, when different workpieces 15 are produced, the clamping device 1 matched with the workpieces 15 can be replaced.
The above disclosure is only a preferred embodiment of the present invention, and it is needless to say that the scope of the invention is not limited thereto, and therefore, the equivalent changes according to the claims of the present invention still fall within the scope of the present invention.
Claims (3)
1. The clamping device for quenching the large-size thin-wall workpiece is characterized in that the clamping device (1) is arranged on a clamping arm, a visual grabbing device is arranged on the clamping device (1), the clamping device (1) is a plurality of groups, each group of clamping device (1) comprises a clamping fixing plate (11), a plurality of air cylinders (12), a plurality of pull rods (13) and a profiling block (14) which are sequentially arranged on one side of the clamping fixing plate (11), a workpiece (15) is arranged on the outer side of the profiling block (14), a plurality of grooves (2) are formed in the inner wall of the profiling block (14), a plurality of grooves (2) form wavy grooves, a conical table (16) is arranged in the profiling block (14), the large end face of the conical table (16) is connected with the clamping fixing plate (11) through a telescopic part (17), the profiling block (14) comprises an upper profiling block (141) and a lower profiling block (142), the upper profiling block (141) is matched and connected with the lower profiling block (142), and the upper profiling block (141) is connected with the inner side of the lower profiling block (142) through the elastic body (142);
the clamping device (1) is adopted to quench the large-size thin-wall workpiece, and the specific quenching method comprises the following steps:
s1, clamping arms clamp clamping fixing plates (11) on a plurality of groups of clamping devices (1), a pull rod (13) is in a contracted state, a workpiece (15) is heated in a heating furnace with the heat preservation temperature of 680-690 ℃, after the heating is completed, the workpiece is discharged from the heating furnace after the heating is completed and the heat preservation is carried out for 2-3 hours, a visual grabbing device on the clamping devices (1) locks the position of an inner cavity of the workpiece (15), an output end of an air cylinder (12) pushes the pull rod (13) to extend, the pull rod (13) drives a profiling block (14) to be rapidly inserted into the inner cavity of the workpiece (15), and after the specified position is reached, an elastomer (143) in the profiling block (14) stretches to stretch an upper profiling block (141) and a lower profiling block (142) to tension the inner cavity of the workpiece (15);
s2, the clamping arm rapidly moves a workpiece (15) arranged on the outer side of the profiling block (14) into the quenching tank, and water spray quenching is carried out on the workpiece (15);
s3, after quenching is finished, the flatness deformation of the workpiece (15) is 0.2-0.5%, and the perpendicularity deformation is 0.1-0.2%;
s4, when different workpieces (15) are produced, the clamping device (1) matched with the workpieces (15) can be replaced.
2. The clamping device for quenching large-size thin-wall workpieces according to claim 1, wherein the number of the pull rods (13) is equal to that of the air cylinders (12), the output ends of the air cylinders (12) are connected with one end of the pull rods (13), and the profiling blocks (14) are connected with the other end of the pull rods (13).
3. The clamping device for quenching large-sized thin-walled workpiece according to claim 1, wherein the elastic body (143) is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019216.7A CN114350909B (en) | 2022-01-10 | 2022-01-10 | Clamping device for quenching large-size thin-wall workpiece and quenching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019216.7A CN114350909B (en) | 2022-01-10 | 2022-01-10 | Clamping device for quenching large-size thin-wall workpiece and quenching method |
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| Publication Number | Publication Date |
|---|---|
| CN114350909A CN114350909A (en) | 2022-04-15 |
| CN114350909B true CN114350909B (en) | 2024-02-20 |
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| CN202210019216.7A Active CN114350909B (en) | 2022-01-10 | 2022-01-10 | Clamping device for quenching large-size thin-wall workpiece and quenching method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4803037A (en) * | 1982-03-15 | 1989-02-07 | The Algoma Steel Corporation, Limited | Pipe quenching apparatus |
| CN105750940A (en) * | 2014-12-15 | 2016-07-13 | 西安志越机电科技有限公司 | Expanding type thin-walled workpiece clamping device used for lathe machining |
| CN106429412A (en) * | 2016-10-29 | 2017-02-22 | 安徽旭虹机械设备有限公司 | Continuous carrying frame used for rod quenching |
| CN108728614A (en) * | 2018-05-31 | 2018-11-02 | 南京中高知识产权股份有限公司 | A kind of reclaimer robot for heating furnace |
| CN212504983U (en) * | 2020-07-06 | 2021-02-09 | 镇江浩宇工具有限公司 | Clamping tool for quenching disc-shaped workpiece |
| CN112705966A (en) * | 2020-11-25 | 2021-04-27 | 河南航天液压气动技术有限公司 | Internal supporting and clamping fixture for precise thin-walled piece |
| CN213195483U (en) * | 2020-08-26 | 2021-05-14 | 章丘市三友锻造厂 | Forging clamping jaw for forging workpiece |
-
2022
- 2022-01-10 CN CN202210019216.7A patent/CN114350909B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4803037A (en) * | 1982-03-15 | 1989-02-07 | The Algoma Steel Corporation, Limited | Pipe quenching apparatus |
| CN105750940A (en) * | 2014-12-15 | 2016-07-13 | 西安志越机电科技有限公司 | Expanding type thin-walled workpiece clamping device used for lathe machining |
| CN106429412A (en) * | 2016-10-29 | 2017-02-22 | 安徽旭虹机械设备有限公司 | Continuous carrying frame used for rod quenching |
| CN108728614A (en) * | 2018-05-31 | 2018-11-02 | 南京中高知识产权股份有限公司 | A kind of reclaimer robot for heating furnace |
| CN212504983U (en) * | 2020-07-06 | 2021-02-09 | 镇江浩宇工具有限公司 | Clamping tool for quenching disc-shaped workpiece |
| CN213195483U (en) * | 2020-08-26 | 2021-05-14 | 章丘市三友锻造厂 | Forging clamping jaw for forging workpiece |
| CN112705966A (en) * | 2020-11-25 | 2021-04-27 | 河南航天液压气动技术有限公司 | Internal supporting and clamping fixture for precise thin-walled piece |
Non-Patent Citations (1)
| Title |
|---|
| 郝丽娜等.工业机器人控制技术.华中科技大学出版社,2018,第170页. * |
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| CN114350909A (en) | 2022-04-15 |
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