CN116276165A - High-precision thin-wall product processing method and equipment - Google Patents
High-precision thin-wall product processing method and equipment Download PDFInfo
- Publication number
- CN116276165A CN116276165A CN202310161711.6A CN202310161711A CN116276165A CN 116276165 A CN116276165 A CN 116276165A CN 202310161711 A CN202310161711 A CN 202310161711A CN 116276165 A CN116276165 A CN 116276165A
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- CN
- China
- Prior art keywords
- sleeve
- chuck
- workpiece
- bolt
- sucker
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of tooling fixture equipment, and particularly relates to a high-precision thin-wall product processing method and equipment, which comprise an inner chuck, an outer sleeve and a main sucker mechanism, wherein the inner chuck comprises a spring chuck, the outer sleeve comprises a sleeve main body, the spring chuck is inserted in the sleeve main body and is connected with a plurality of air ducts, one end of an air cavity formed in the spring chuck and communicated with the air ducts is provided with a rubber sucker, an external thread piece screwed on the outer side of the spring chuck is connected with the sleeve main body in a screwed manner, the air ducts are slidingly inserted in a movable sealing ring arranged on a partition plate, the inner side of the sleeve main body is divided into two mutually independent cavities by the partition plate, the main sucker mechanism comprises a bolt, the bolt is screwed on one end of the sleeve main body far away from the inner chuck, the other end of the bolt penetrates through the main sucker and a gasket and is connected with a supporting head, and the main sucker is arranged on the inner end face of the sleeve main sucker.
Description
Technical Field
The invention belongs to the technical field of tooling fixture equipment, and particularly relates to a high-precision thin-wall product processing method and equipment.
Background
The workpiece wall of the thin-wall pipe fitting is very thin, the radial rigidity is very weak, and the workpiece wall is very easy to deform due to the influences of cutting force, cutting heat, clamping force and the like in the machining process; meanwhile, as the cross-sectional area of the thin-wall workpiece is smaller, the outline dimension is larger than the cross-sectional dimension, and in the processing process, along with the reduction of the rigidity of the workpiece, cutting vibration is easy to occur, and the processing quality of the workpiece is seriously influenced; therefore, in the machining process, the clamping of the thin-wall workpiece is particularly important.
When the existing clamp clamps thin-wall pipe fittings like a three-jaw chuck, as main clamping stress points are arranged on three jaws, the contact surface of the jaws and the workpiece wall is smaller, if the clamping force is smaller, the workpiece clamping strength is easy to reduce, and if the clamping force is larger, the force is easy to be excessively large, so that the thin-wall workpiece on the contact surface of the jaws and the workpiece wall is easy to deform, thereby influencing the quality of the workpiece and increasing the reject ratio.
Disclosure of Invention
In order to ensure effective clamping strength, the existing clamp is easy to deform a thin-wall workpiece on the contact surface of a claw and a workpiece wall due to overlarge force, thereby influencing the quality of the workpiece and increasing the reject ratio. The invention provides a high-precision thin-wall product processing method and equipment, which can effectively avoid deformation of a workpiece while ensuring the clamping stability of the workpiece by arranging a sucker on the inner wall of a chuck.
The invention provides the following technical scheme: the utility model provides a high accuracy thin wall product processing method and equipment, includes interior chuck, outer sleeve, main sucking disc mechanism, interior chuck includes the collet chuck, the outer sleeve includes the sleeve main part, collet chuck cartridge is in the sleeve main part and the collet chuck is connected a plurality of air ducts towards the one end of sleeve main part, set up the air cavity that link up mutually with the inside of air duct on the collet chuck, the inboard of the one end of air cavity through collet chuck inner wall is provided with the rubber sucking disc, the external screw thread spare screw thread joint sleeve main part of collet chuck outside rotation clamping, the air duct slip cartridge is in moving the sealing washer, moving the sealing washer setting in the through-hole of seting up on the baffle, the baffle separates into two mutually independent cavitys with the inboard of sleeve main part, main sucking disc mechanism includes the bolt, the bolt thread mounting is on the one end of sleeve main part keeping away from interior chuck, the other end of bolt passes main sucking disc and gasket and is connected with the supporting head, main sucking disc installs on the interior terminal surface of sleeve main part.
The number of the rubber suckers is multiple, and the axial lines of the spring chucks are arranged in an equal sequence around the circumference of the shaft; the plurality of rubber sucking discs can firmly adsorb and fix the workpiece on the inner side of the spring chuck.
Wherein one end of the rubber sucker protrudes out of the inner wall of the spring chuck by 0.5-1mm; the convex rubber sucker can play an effective adsorption role.
The axis of the air duct is parallel to the axes of the spring chuck and the sleeve main body, and the air duct is in interference fit with the movable sealing ring; the air duct can make the main sucker effectively drive the rubber sucker to deform and then adsorb the workpiece in the process of the front and back movement of the spring chuck.
The sleeve body is of a circular tube structure which is stepped and is provided with an opening at one end; the stepped sleeve body can be convenient for an operator to fix the outer sleeve by using the existing lathe fixture.
The diameter of the gasket is not smaller than the diameter of the circumscribed circle of the supporting head, and the gasket is rotatably arranged on the outer side of the bolt; the gasket plays a role in protecting the main sucker and reducing the abrasion of the main sucker in the process of rotating the bolt.
The inner end face of the sleeve main body is provided with a slotted hole structure which is collinear with the axes of the sleeve main body and the main sucker; the bolt drives the main sucker to deform when moving, and then the rubber sucker is driven to adsorb the workpiece through the change of the internal pressure of the sleeve body.
The method comprises the following steps:
s1, placing a workpiece into the inner side of a spring chuck which is in clearance fit with the workpiece, rotating an external thread piece to enable the external thread piece to drive the spring chuck to move towards a sleeve main body, wherein the spring chuck is limited by the inner wall of the sleeve main body to generate adduction deformation at the moment, and stopping rotating the external thread piece after the resistance of the workpiece is sensed by an operator in the process of rotating the external thread piece, so that the deformation of the workpiece is avoided;
s2, using a spanner tool to rotate the bolt, so that the bolt moves towards one end far away from the inner chuck, and at the moment, the main sucker deforms, and then the rubber sucker is driven to adsorb the outer wall of the workpiece through the change of the internal pressure of the sleeve body;
s3, placing one end, far away from the external thread piece, of the sleeve body into a lathe fixture, and processing a workpiece after the external sleeve is clamped and fixed.
The beneficial effects of the invention are as follows: the plurality of rubber suckers can firmly adsorb and fix the workpiece on the inner side of the spring chuck; the protruding rubber sucker can play an effective adsorption role; the air duct can effectively drive the rubber sucker to deform so as to adsorb a workpiece in the process of moving the spring chuck back and forth; the stepped sleeve body can facilitate an operator to fix the outer sleeve by using the existing lathe fixture; the gasket plays a role in protecting the main sucker and reducing the abrasion of the main sucker in the process of rotating the bolt; the bolt drives the main sucker to deform when moving, and then the rubber sucker is driven to adsorb the workpiece through the change of the internal pressure of the sleeve body.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the inner chuck according to the present invention;
FIG. 4 is a schematic view of the outer sleeve according to the present invention;
in the figure: 1. an inner chuck; 11. a spring chuck; 12. an air duct; 13. an air cavity; 14. a rubber suction cup; 2. an outer sleeve; 21. a sleeve body; 22. a partition plate; 23. a movable sealing ring; 3. an external screw member; 4. a main suction cup mechanism; 41. a main suction cup; 42. a gasket; 43. a support head; 44. and (5) a bolt.
Detailed Description
Referring to fig. 1-4, the present invention provides the following technical solutions: a high-precision thin-wall product processing method and equipment comprises an inner chuck (1), an outer sleeve (2) and a main sucker mechanism (4), wherein the inner chuck (1) comprises a spring chuck (11), the outer sleeve (2) comprises a sleeve main body (21), the spring chuck (11) is inserted in the sleeve main body (21), one end of the spring chuck (11) facing the sleeve main body (21) is connected with a plurality of air ducts (12), an air cavity (13) communicated with the inside of the air ducts (12) is formed in the spring chuck (11), a rubber sucker (14) is arranged on the inner side of one end of the air cavity (13) penetrating through the inner wall of the spring chuck (11), an external threaded piece (3) rotatably clamped on the outer side of the spring chuck (11) is in threaded connection with the sleeve main body (21), the air ducts (12) are slidably inserted in a movable sealing ring (23), the movable sealing ring (23) is arranged in a through hole formed in a partition plate (22), the inner side of the sleeve main body (21) is partitioned into two mutually independent cavities by the partition plate (22), the main sucker mechanism (4) comprises a bolt (44) and is arranged on one end far away from the bolt (1), the other end of the bolt (44) penetrates through the main sucker (41) and the gasket (42) and is connected with the supporting head (43), and the main sucker (41) is mounted on the inner end face of the sleeve body (21).
The number of the rubber suction cups (14) is multiple, and the axial lines of the spring chucks (11) are arranged in an equal sequence around the circumferential direction of the shaft; the plurality of rubber sucking discs (14) can firmly adsorb and fix the workpiece at the inner side of the spring chuck (11).
One end of the rubber sucker (14) protrudes out of the inner wall of the spring chuck (11) by 0.5-1mm; the protruding rubber sucker (14) can play an effective adsorption role.
The axis of the air duct (12) is parallel to the axes of the collet chuck (11) and the sleeve main body (21), and the air duct (12) is in interference fit with the movable sealing ring (23); the air duct (12) can effectively drive the rubber sucker (14) to deform so as to adsorb a workpiece by the main sucker (41) in the process of moving the collet chuck (11) back and forth.
The sleeve main body (21) is of a circular tube structure which is stepped and is provided with an opening at one end; the stepped sleeve body (21) can facilitate an operator to fix the outer sleeve (2) by using an existing lathe fixture.
The diameter of the gasket (42) is not smaller than the diameter of the circumscribed circle of the supporting head (43), and the gasket (42) is rotatably arranged on the outer side of the bolt (44); the gasket (42) plays a role in protecting the main sucker (41) and reducing abrasion of the main sucker (41) in the rotating process of the bolt (44).
The inner end surface of the sleeve main body (21) is provided with a slotted hole structure which is collinear with the axes of the sleeve main body (21) and the main sucker (41); the bolt (44) drives the main sucker (41) to deform when moving, and then drives the rubber sucker (14) to adsorb the workpiece through the change of the internal pressure of the sleeve main body (21).
The method comprises the following steps:
s1, placing a workpiece into the inner side of a collet chuck (11) which is in clearance fit with the workpiece, rotating an external screw thread piece (3), enabling the external screw thread piece (3) to drive the collet chuck (11) to move towards a sleeve main body (21), limiting the collet chuck (11) by the inner wall of the sleeve main body (21) at the moment to generate adduction deformation, and stopping rotating the external screw thread piece (3) after the resistance of the workpiece is felt in the process of rotating the external screw thread piece (3) by an operator, so that the deformation of the workpiece is avoided;
s2, using a spanner tool to rotate the bolt (44) to enable the bolt (44) to move towards one end far away from the inner chuck (1), at the moment, the main chuck (41) deforms, and further the rubber chuck (14) is driven to adsorb the outer wall of the workpiece through the change of the internal pressure of the sleeve main body (21);
s3, placing one end, far away from the external screw thread piece (3), of the sleeve main body (21) into a lathe fixture, and processing a workpiece after clamping and fixing the external sleeve (2).
The working principle and the using flow of the invention are as follows: the method comprises the steps that a workpiece is placed into the inner side of a spring chuck (11) which is in clearance fit with the workpiece, an external thread piece (3) is rotated, the external thread piece (3) drives the spring chuck (11) to move towards the direction of a sleeve main body (21), at the moment, the spring chuck (11) is limited by the inner wall of the sleeve main body (21) and is deformed in an adduction mode, after the resistance of the workpiece is felt in the process of rotating the external thread piece (3) by an operator, the external thread piece (3) is stopped rotating, the workpiece is prevented from being deformed, a spanner tool is used for rotating a bolt (44), the bolt (44) moves towards one end far away from the inner chuck (1), at the moment, a main sucker (41) deforms, and then the rubber sucker (14) is driven to adsorb the outer wall of the workpiece through the change of the inner pressure of the sleeve main body (21), one end of the sleeve main body (21) far away from the external thread piece (3) is placed into a lathe fixture, and the workpiece can be machined after the outer sleeve (2) is clamped and fixed.
Claims (8)
1. A high-precision thin-wall product processing method and equipment are characterized in that: including interior chuck, outer sleeve, main sucking disc mechanism, interior chuck includes the collet chuck, the outer sleeve includes the sleeve main part, collet chuck cartridge is in the sleeve main part and collet chuck is connected a plurality of air ducts towards the one end of sleeve main part, set up the air cavity that link up mutually with the inside of air duct on the collet chuck, the inboard of the one end that the air cavity link up collet chuck inner wall is provided with the rubber suction cup, the external screw thread spare threaded connection sleeve main part of cartridge is rotated in the collet chuck outside, the air duct slip cartridge is in moving the sealing washer, it sets up in the through-hole of seting up on the baffle to move the sealing washer, the inboard of sleeve main part is separated into two mutually independent cavitys with the baffle, main sucking disc mechanism includes the bolt, the bolt screw thread is installed on the one end that the sleeve main part kept away from interior chuck, the other end of bolt passes main sucking disc and gasket and is connected with the supporting head, main sucking disc installs on the interior terminal surface of sleeve main part.
2. The method and the device for processing the high-precision thin-wall product according to claim 1, wherein the method comprises the following steps: the number of the rubber suction cups is multiple, and the axial lines of the spring chucks are used as circumferential and equidistant setting around the shaft.
3. The method and the device for processing the high-precision thin-wall product according to claim 1, wherein the method comprises the following steps: one end of the rubber sucker protrudes out of the inner wall of the spring chuck by 0.5-1mm.
4. The method and the device for processing the high-precision thin-wall product according to claim 1, wherein the method comprises the following steps: the axis of the air duct is parallel to the axes of the collet chuck and the sleeve body, and the air duct is in interference fit with the movable sealing ring.
5. The method and the device for processing the high-precision thin-wall product according to claim 1, wherein the method comprises the following steps: the sleeve body is of a circular tube structure with one end being opened in a stepped mode.
6. The method and the device for processing the high-precision thin-wall product according to claim 1, wherein the method comprises the following steps: the diameter of the gasket is not smaller than the diameter of the circumscribed circle of the supporting head, and the gasket is rotatably arranged on the outer side of the bolt.
7. The method and the device for processing the high-precision thin-wall product according to claim 1, wherein the method comprises the following steps: the inner end face of the sleeve body is provided with a slotted hole structure which is collinear with the axes of the sleeve body and the main sucker.
8. The method and apparatus for processing high-precision thin-walled products according to claim 1, comprising the steps of:
s1, placing a workpiece into the inner side of a spring chuck which is in clearance fit with the workpiece, rotating an external thread piece to enable the external thread piece to drive the spring chuck to move towards a sleeve main body, wherein the spring chuck is limited by the inner wall of the sleeve main body to generate adduction deformation at the moment, and stopping rotating the external thread piece after the resistance of the workpiece is sensed by an operator in the process of rotating the external thread piece, so that the deformation of the workpiece is avoided;
s2, using a spanner tool to rotate the bolt, so that the bolt moves towards one end far away from the inner chuck, and at the moment, the main sucker deforms, and then the rubber sucker is driven to adsorb the outer wall of the workpiece through the change of the internal pressure of the sleeve body;
s3, placing one end, far away from the external thread piece, of the sleeve body into a lathe fixture, and processing a workpiece after the external sleeve is clamped and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310161711.6A CN116276165A (en) | 2023-02-24 | 2023-02-24 | High-precision thin-wall product processing method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310161711.6A CN116276165A (en) | 2023-02-24 | 2023-02-24 | High-precision thin-wall product processing method and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116276165A true CN116276165A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310161711.6A Withdrawn CN116276165A (en) | 2023-02-24 | 2023-02-24 | High-precision thin-wall product processing method and equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN116276165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118081437A (en) * | 2024-04-29 | 2024-05-28 | 江苏锡华智能装备有限公司 | Positioning device for machining wind power gear box parts |
-
2023
- 2023-02-24 CN CN202310161711.6A patent/CN116276165A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118081437A (en) * | 2024-04-29 | 2024-05-28 | 江苏锡华智能装备有限公司 | Positioning device for machining wind power gear box parts |
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Application publication date: 20230623 |