CN112589362A - Multi-station welding positioner for cylinder body of cylindrical actuator - Google Patents
Multi-station welding positioner for cylinder body of cylindrical actuator Download PDFInfo
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- CN112589362A CN112589362A CN202011422835.8A CN202011422835A CN112589362A CN 112589362 A CN112589362 A CN 112589362A CN 202011422835 A CN202011422835 A CN 202011422835A CN 112589362 A CN112589362 A CN 112589362A
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- chuck
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a multi-station welding positioner for a cylindrical actuator cylinder, which comprises a frame, a driven clamping end, a driving clamping end, a displacement driving device and a pneumatic tensioning clamp.
Description
Technical Field
The invention belongs to the technical field of actuator machining, and particularly relates to a multi-station welding positioner for a cylinder body of a cylindrical actuator.
Background
The cylindrical actuating mechanism is a widely used actuator with higher cost performance, is applied to different industries and fields at present, the efficiency and accuracy of cylindrical actuator machining is therefore one of the core concerns of each manufacturer, the processing technology of the cylindrical actuating mechanism is a key technology in the processing and manufacturing of the actuating cylinder body, although the cylinder body processing technology of the actuating mechanism in the industry is more, some problems always exist in the processing of the actuating mechanism cylinder body, if the end part of the cylinder body is in a bell mouth shape, the middle position of the cylinder body is bent, the burrs of the inner cavity of the cylinder body after being processed are large, and the like, the problems are caused by improper clamping and positioning position selection during cylinder body processing, the processing efficiency of the actuator cylinder body is lower, moreover, welding is easy to deform, and no scheme for effectively solving the technical difficulty exists at present aiming at the problems. Therefore, how to develop a welding tool for a cylinder body of a cylindrical actuator is a problem to be solved urgently in the technical field of current execution mechanism machining.
Disclosure of Invention
The invention aims to provide a multi-station welding positioner for a cylindrical actuator cylinder body, which realizes one-time clamping and welding of a plurality of actuator cylinder bodies, greatly saves the clamping and disassembling time of a single actuator cylinder body, improves the welding efficiency of the actuator cylinder body, adopts a pneumatic tensioning clamp to clamp the actuator cylinder body, is convenient and quick to clamp and disassemble, adopts a motor reducer as a displacement driving device, has lower rotating speed, is provided with a self-locking rod, and ensures the stability and reliability of the technical scheme during operation.
The invention discloses a multi-station welding positioner for a cylinder body of a cylindrical actuator, which comprises a rack, a driven clamping end, a driving clamping end, a displacement driving device and a pneumatic tensioning clamp, wherein the rack comprises a base, an upright post, a transverse lacing wire and a fixed workbench, the base is formed by assembling and welding channel steel, the upright post is positioned above the base and mutually welded and fixed, one end of the transverse lacing wire is welded and fixed with the upright post, the other end of the transverse lacing wire is welded and connected with the fixed workbench, the fixed workbench is positioned at one end of the base and welded and connected with the base, the driven clamping end is fixedly installed at one end of the rack through a bolt and comprises a driven rotating cylinder, a driven baffle plate, a driven rotating shaft and a chuck rotating and fixing plate, the driven rotating cylinder is fixedly connected with the rack through a bolt, the driven baffle plate is fixedly fixed at one end of the, the chuck rotation fixing plate is in threaded fixed connection with the pneumatic tensioning fixture, the driving clamping end is positioned above the fixed workbench and is fixedly connected with the fixed workbench in a threaded manner, the chuck rotation fixing plate comprises a main rotating cylinder, a driving baffle plate and a main connecting rotating shaft, the main rotating cylinder is fixed on the fixed workbench through bolts, one end of the main rotating cylinder is matched and connected with a hole key groove of a displacement driving device, the driving baffle plate is fixedly connected with the other end of the main rotating cylinder through threads, the main connecting rotating shaft is fixedly connected with the driving baffle plate in a welded manner, the displacement driving device comprises a motor speed reducer and an automatic locking rod, the motor speed reducer is fixed on the fixed workbench through bolts, the automatic locking rod is positioned at the lower part of the motor speed reducer and is in threaded connection with an automatic locking shaft matched with the motor, the pneumatic tensioning clamp is in threaded fixed connection with the chuck rotation fixing plate and is uniformly distributed on the chuck rotation fixing plate, and comprises a boss seat, a switching column, a damping roller, a gas storage block, a gas inlet pipe joint, a gas distribution bag, a gas pipe frame, a gas distribution pipe, a V-shaped frame and a tensioning chuck, wherein one end of the boss seat is in welded connection with the switching column, the other end of the boss seat is in threaded fixed connection with the chuck rotation fixing plate, the switching column is positioned between the boss seat and the damping roller, one end of the switching column is in welded connection with the boss seat, the other end of the switching column is in threaded connection with the damping roller, one end of an inner cavity of the damping roller is in interference fit with the inner thread and the outer thread of the switching column, the other end of the damping roller is in interference fit with a hole shaft of the gas storage block, the gas storage block is cylindrical and internally provided with, the trachea frame is the pipe, one end and tensioning chuck welded connection, and the other end and gas storage piece looks welded fastening, the one end of gas distribution pipe is connected with the gas storage piece, and the other end is connected with the tensioning chuck, the bottom of V-arrangement frame contacts with the gas distribution pipe, and both sides all with the inner wall looks welded fastening of trachea frame, the tensioning chuck is connected with the one end welded fastening of gas distribution pipe, including tensioning dish, air guide mouth, guide block, extension spring and chuck, the tensioning dish is the annular shape, the air guide mouth is located the inner chamber of tensioning dish, and with gas distribution pipe threaded connection, place in the inner chamber of tensioning dish in the guide block, and both sides all are sealed the slip with the inner chamber both sides of tensioning dish, extension spring passes the chuck, the one end and the guide block welded fastening of chuck are connected, and the centre passes extension spring, and the end passes the tensioning dish.
The invention discloses a multi-station welding positioner for a cylinder body of a cylindrical actuator, which has the technical beneficial effects that:
(1) the one-time clamping is realized, the multiple actuator cylinder bodies are welded, the clamping and disassembling time of a single actuator cylinder body is greatly saved, and the welding efficiency of the actuator cylinder body is improved.
(2) The pneumatic tensioning clamp is adopted to clamp the actuator cylinder body, and clamping and dismounting are convenient and quick.
(3) The deflection driving device adopts a motor speed reducer, has lower rotating speed and is provided with a self-locking rod, thereby ensuring the stability and reliability of the technical scheme of the invention during operation.
Drawings
FIG. 1 is a front view of a multi-station welding positioner for a cylinder of a cylindrical actuator according to the present invention,
FIG. 2 is a top view of a multi-station positioner for a cylinder of a cylindrical actuator according to the present invention,
FIG. 3 is a left side view of the multi-station welding positioner for a cylinder body of a cylindrical actuator according to the invention,
FIG. 4 is a structural diagram of a pneumatic tensioning clamp of the multi-station welding positioner for a cylinder body of a cylindrical actuator,
FIG. 5 is a left side view of a pneumatic tensioning clamp of the multi-station positioner for a cylinder of a cylindrical actuator of the present invention,
FIG. 6 is a chuck structure diagram of a multi-station positioner for a cylinder of a cylindrical actuator according to the present invention,
FIG. 7 is a working principle diagram of the multi-station welding positioner for the cylinder body of the cylindrical actuator.
In the drawing, 1, a machine frame, 2, a driven clamping end, 3, a driving clamping end, 4, a deflection driving device, 5, a pneumatic tensioning clamp, 6, an actuator cylinder body, 11, a base, 12, an upright post, 13, a transverse lacing wire, 14, a fixed workbench, 21, a driven rotating cylinder, 22, a driven baffle plate, 23, a driven connecting rotating shaft, 24, a chuck rotating fixed plate, 31, a main rotating cylinder, 32, a driving baffle plate, 33, a main connecting rotating shaft, 41, a motor speed reducer, 42, an automatic locking rod, 51, a boss seat, 52, an adapter column, 53, a damping roller, 54, an air storage block, 55, an air inlet pipe joint, 56, an air distribution bag, 57, an air pipe frame, 58, a gas distribution pipe, 59, a V-shaped frame, 60, a tensioning chuck, 60-1, a tensioning disc, 60-2, an air guide nozzle, 60-3, a guide block, 60-4, a tension spring and 60-5 chuck are arranged.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1 to 6, a multi-station welding positioner for a cylinder of a cylindrical actuator comprises a frame 1, a driven clamping end 2, a driving clamping end 3, a displacement driving device 4 and a pneumatic tensioning clamp 5, wherein the frame 1 comprises a base 11, a stand column 12, a transverse tie bar 13 and a fixed workbench 14, the base 11 is formed by assembling and welding channel steel, the stand column 12 is positioned above the base 11 and is welded and fixed with each other, one end of the transverse tie bar 13 is welded and fixed with the stand column 12, the other end of the transverse tie bar is welded and connected with the fixed workbench 14, the fixed workbench 14 is positioned at one end of the base 11 and is welded and connected with the base 11, the driven clamping end 2 is fixed at one end of the frame 1 by bolts, and comprises a driven rotating cylinder 21, a driven baffle plate 22, a driven connecting rotating shaft 23 and a chuck rotating and fixing plate 24, the driven rotating cylinder 21 is fixed with the frame 11 by bolts, the driven baffle 22 is fixed at one end of the driven rotating cylinder 21 through a bolt, one end of the driven connecting rotating shaft 23 is in welded connection with the chuck rotating fixing plate 24, the other end of the driven connecting rotating shaft is in threaded connection with the driven baffle 22, the chuck rotating fixing plate 24 is in threaded fixed connection with the pneumatic tensioning clamp 5, the driving clamping end 3 is positioned above the fixed workbench 14 and is fixedly connected with the fixed workbench 14 through threads, the driven connecting rotating shaft comprises a main rotating cylinder 31, a driving baffle 32 and a main connecting rotating shaft 33, the main rotating cylinder 31 is fixed on the fixed workbench 14 through a bolt, one end of the main rotating cylinder is in matched connection with the position-changing driving device 4 through a hole shaft key slot, the driving baffle 32 is fixedly connected with the other end of the main rotating cylinder 31 through threads, the main connecting rotating shaft 33 is fixedly connected with the driving baffle 32 through a welded connection, the position-changing, the motor speed reducer 41 is fixed on the fixed workbench 14 through bolts, the self-locking rod 42 is positioned at the lower part of the motor speed reducer 41 and is in threaded connection with a self-locking shaft matched with the motor speed reducer 41, the pneumatic tensioning clamp 5 is in threaded fixed connection with the chuck rotary fixing plate 24 and is uniformly distributed on the chuck rotary fixing plate 24 and comprises a boss seat 51, an adapter column 52, a damping roller 53, a gas storage block 54, a gas inlet pipe joint 55, a gas distribution bag 56, a gas pipe frame 57, a gas distribution pipe 58, a V-shaped frame 59 and a tensioning chuck 60, one end of the boss seat 51 is in welded connection with the adapter column 52, the other end of the boss seat is in threaded fixed connection with the chuck rotary fixing plate 24, the adapter column 52 is positioned between the boss seat 51 and the damping roller 53, one end of the adaptor column 51 is in welded connection with the boss seat, the other end of the adaptor column 53 is in threaded connection with the damping roller 53, one end of, the other end of the air storage block 54 is connected with a hole shaft of the air storage block 54 in an interference fit manner, the air storage block 54 is cylindrical and internally provided with an annular groove, the air inlet pipe joint 55 is placed in the annular groove of the air storage block 54, the air distribution bag 56 is fixedly connected with the air inlet pipe joint 55 in a threaded manner, the air pipe frame 57 is a circular pipe, one end of the air distribution pipe 58 is connected with the tensioning chuck 60, the other end of the air distribution pipe is fixedly connected with the air storage block 54, the bottom of the V-shaped frame 59 is in contact with the air distribution pipe 58, the two sides of the V-shaped frame are fixedly welded with the inner wall of the air pipe frame 57, the tensioning chuck 60 is fixedly connected with one end of the air distribution pipe 58 in a welded manner and comprises a tensioning disc 60-1, an air nozzle guide 60-2, a guide block 60-3, a tension spring 60-4 and a chuck 60-5, the, the air guide nozzle 60-2 is located in an inner cavity of the tensioning disc 60-1 and is in threaded connection with the air distribution pipe 58, the guide block 60-3 is arranged in the inner cavity of the tensioning disc 60-1, two sides of the guide block and two sides of the inner cavity of the tensioning disc 60-1 slide in a sealing mode, the extension spring 60-4 penetrates through the chuck 60-5, one end of the chuck 60-5 is fixedly connected with the guide block 60-3 in a welding mode, the middle of the chuck 60-5 penetrates through the extension spring 60-4, and the tail end of the chuck 60-1 penetrates through the tensioning disc 60-1.
The working principle is as follows: as shown in fig. 7, the inner holes of the actuator cylinder 6 are respectively placed between the pneumatic tensioning clamps 5, the air source of the compressed air is opened, the compressed air sequentially passes through the air distribution bag 56 and the air inlet pipe joint 55 to reach the air storage block 54, the air pressure in the air storage block 54 is rapidly increased to 1.0MPa, the compressed air is input into the tensioning disc 60-1 through the air distribution pipe 58 and the air guide nozzle 60-2, the extension spring 60-4 is pressed by the guide block 60-3 under the action of the compressed air, the chuck 60-5 is extended, the actuator cylinder 6 is firmly clamped, the motor reducer 41 in the deflection driving device 4 is started, the actuator cylinder 6 rotates along with the pneumatic tensioning clamps 5 under the combined action of the driven clamping end 2 and the driving clamping end 3 at both sides, and the welding of the actuator cylinder 6 is finally realized.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (3)
1. The utility model provides a multistation positioner for cylindrical executor cylinder body which characterized in that, includes frame, driven exposed core, initiative exposed core, the drive arrangement that shifts and pneumatic tensioning anchor clamps.
2. The multi-station welding positioner for the cylinder body of the cylindrical actuator according to claim 1, wherein the pneumatic tensioning clamp comprises a boss base, an adapter column, a damping roller, a gas storage block, a gas inlet pipe joint, a gas distribution bag, a gas pipe frame, a gas distribution pipe, a V-shaped frame and a tensioning chuck, one end of the boss base is welded with the adapter column, the other end of the boss base is in threaded fixed connection with a chuck rotation fixing plate, the adapter column is positioned between the boss base and the damping roller, one end of the adapter column is welded and fixed with the boss base, the other end of the adapter column is in threaded connection with the damping roller, one end of an inner cavity of the damping roller is connected and fixed with the inner and outer threads of the adapter column, the other end of the inner cavity is in interference fit connection with a hole shaft of the gas storage block, the gas storage block is cylindrical and internally provided with an annular groove, the gas inlet pipe joint is, the utility model discloses a gas storage device, including trachea frame, tensioning chuck, gas distribution pipe, trachea frame, the trachea frame is the pipe, and one end and tensioning chuck welded connection, the other end and gas storage piece looks welded fastening, trachea's one end is connected with the gas storage piece, and the other end is connected with the tensioning chuck, the bottom of V-arrangement frame contacts with the trachea, and both sides all are with trachea frame's inner wall looks welded fastening.
3. A multi-station welding positioner for cylinder bodies of cylindrical actuators, as claimed in claim 2, wherein the tensioning chuck is fixedly welded to one end of the gas-distributing pipe, and comprises a tensioning disc, a gas nozzle, a guide block, a tension spring and a chuck, the tensioning disc is in a ring shape, the gas nozzle is located in the inner cavity of the tensioning disc and is in threaded connection with the gas-distributing pipe, the guide block is arranged in the inner cavity of the tensioning disc, two sides of the guide block slide in a sealing manner with two sides of the inner cavity of the tensioning disc, the tension spring passes through the chuck, one end of the chuck is fixedly welded to the guide block, the middle of the chuck passes through the tension spring, and the end of the chuck passes through the tensioning disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011422835.8A CN112589362A (en) | 2020-12-08 | 2020-12-08 | Multi-station welding positioner for cylinder body of cylindrical actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011422835.8A CN112589362A (en) | 2020-12-08 | 2020-12-08 | Multi-station welding positioner for cylinder body of cylindrical actuator |
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| Publication Number | Publication Date |
|---|---|
| CN112589362A true CN112589362A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011422835.8A Pending CN112589362A (en) | 2020-12-08 | 2020-12-08 | Multi-station welding positioner for cylinder body of cylindrical actuator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115533441A (en) * | 2022-11-07 | 2022-12-30 | 苏州兴齐钢结构工程有限公司 | Hot-galvanize shaped steel welding preparation processing equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166157Y (en) * | 2008-01-24 | 2008-12-17 | 石家庄金刚内燃机零部件集团有限公司 | Automatic changing valve used by air bag type external embracing chucking appliance |
| US20100051672A1 (en) * | 2008-08-27 | 2010-03-04 | E.I. Du Pont De Nemours And Company | Internal pipe clamp alignment guides with purge backup |
| CN202114494U (en) * | 2011-05-17 | 2012-01-18 | 河南中原吉凯恩气缸套有限公司 | Pneumatic fast switching excircle clamping device |
| CN103350308A (en) * | 2013-06-25 | 2013-10-16 | 洛阳德平机械设备有限公司 | Copper lining tensioning method and copper lining tensioning mechanism for inner wall of pipeline |
| CN103978340A (en) * | 2014-05-12 | 2014-08-13 | 西北工业大学 | Girth welding device and girth welding method for aircraft pipeline component |
| CN104325256A (en) * | 2014-10-23 | 2015-02-04 | 桂林电子科技大学 | Electric internal clamp for pipeline |
| CN105364262A (en) * | 2015-11-25 | 2016-03-02 | 中国石油天然气集团公司 | Welding device and copper liner |
| CN109226939A (en) * | 2018-10-31 | 2019-01-18 | 中石化石油工程技术服务有限公司 | A kind of pipe connecting flange group is to tooling and welding method |
| CN110142617A (en) * | 2019-04-03 | 2019-08-20 | 常州国锐工具有限公司 | A kind of round shaft chisel quick-speed jigs |
-
2020
- 2020-12-08 CN CN202011422835.8A patent/CN112589362A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166157Y (en) * | 2008-01-24 | 2008-12-17 | 石家庄金刚内燃机零部件集团有限公司 | Automatic changing valve used by air bag type external embracing chucking appliance |
| US20100051672A1 (en) * | 2008-08-27 | 2010-03-04 | E.I. Du Pont De Nemours And Company | Internal pipe clamp alignment guides with purge backup |
| CN202114494U (en) * | 2011-05-17 | 2012-01-18 | 河南中原吉凯恩气缸套有限公司 | Pneumatic fast switching excircle clamping device |
| CN103350308A (en) * | 2013-06-25 | 2013-10-16 | 洛阳德平机械设备有限公司 | Copper lining tensioning method and copper lining tensioning mechanism for inner wall of pipeline |
| CN103978340A (en) * | 2014-05-12 | 2014-08-13 | 西北工业大学 | Girth welding device and girth welding method for aircraft pipeline component |
| CN104325256A (en) * | 2014-10-23 | 2015-02-04 | 桂林电子科技大学 | Electric internal clamp for pipeline |
| CN105364262A (en) * | 2015-11-25 | 2016-03-02 | 中国石油天然气集团公司 | Welding device and copper liner |
| CN109226939A (en) * | 2018-10-31 | 2019-01-18 | 中石化石油工程技术服务有限公司 | A kind of pipe connecting flange group is to tooling and welding method |
| CN110142617A (en) * | 2019-04-03 | 2019-08-20 | 常州国锐工具有限公司 | A kind of round shaft chisel quick-speed jigs |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115533441A (en) * | 2022-11-07 | 2022-12-30 | 苏州兴齐钢结构工程有限公司 | Hot-galvanize shaped steel welding preparation processing equipment |
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Application publication date: 20210402 |