CN107413884B - A device that contracts in for pipe part - Google Patents
A device that contracts in for pipe part Download PDFInfo
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- CN107413884B CN107413884B CN201710328904.0A CN201710328904A CN107413884B CN 107413884 B CN107413884 B CN 107413884B CN 201710328904 A CN201710328904 A CN 201710328904A CN 107413884 B CN107413884 B CN 107413884B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/16—Making tubes with varying diameter in longitudinal direction
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- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a middle-shrinking device for pipe parts, which comprises a working platform (1), wherein a middle-shrinking system is arranged on the working platform (1), the middle-shrinking system comprises a feeding mechanism (2), a main shaft transmission mechanism (3) and a chuck rotary extrusion mechanism (4), the main shaft transmission mechanism (3) is arranged on one side of the feeding mechanism (2), and the chuck rotary extrusion mechanism (4) is arranged on one side of the main shaft transmission mechanism (3). The invention adopts the middle shrinking device for the pipe parts, has high working efficiency and reasonable structural design.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a middle-shrinking device for pipe parts.
Background
At present, in the technical field of machining, no special device for performing intermediate shrinking on a pipe blank workpiece exists, so that the need for finding an intermediate shrinking device for pipe parts becomes an important task for those skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the middle-shrinking device for the pipe parts, which has high working efficiency and reasonable structural design.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: a middle-shrinkage device for pipe parts comprises a working platform, wherein a middle-shrinkage system is arranged on the working platform and comprises a feeding mechanism, a main shaft transmission mechanism and a chuck rotary extrusion mechanism, the main shaft transmission mechanism is arranged on one side of the feeding mechanism, and the chuck rotary extrusion mechanism is arranged on one side of the main shaft transmission mechanism.
Preferably, the feeding mechanism comprises a driving element, a coupler, a ball screw, a guide rail, a movable support seat, a bearing, a fixed frame and a pull rod, the pull rod is of a hollow shaft body structure, the fixed frame and the guide rail are both arranged on the working platform, the movable support seat is arranged on the guide rail, the bearings are arranged at two ends of the upper portion of the movable support seat, the pull rod is arranged in the bearing, the driving element is arranged at one side of the fixed frame, the coupler is arranged in the fixed frame and is respectively connected with the driving element and the ball screw, so that the driving element drives the ball screw to move through the coupler, and the movable support seat keeps reciprocating motion in the guide rail through the ball screw and enables the pull rod.
Preferably, the spindle transmission mechanism comprises a spindle box, a motor and a transmission belt assembly, the spindle box is arranged on one side of the guide rail, the motor is arranged above the spindle box, a motor shaft is arranged on one side of the motor, a transmission spindle penetrates through the spindle box, one end of the transmission spindle is connected with the chuck rotary extrusion mechanism, and the transmission spindle is of a hollow structure.
Preferably, the chuck rotary extrusion mechanism comprises a chuck body, a sleeve, a crank member, a radial movable jaw seat and an extrusion structure, the chuck body is uniformly provided with at least one radial movable jaw seat, the radial movable jaw seat is provided with an extrusion structure, the crank component is connected with the radial movable jaw seat in a transmission way, a sleeve is arranged in the chuck body, the pull rod penetrates through the transmission main shaft and is connected with the sleeve, a crank component is arranged outside the sleeve, the sleeve reciprocates along with the pull rod so as to drive the crank component to move and enable the radial movable jaw seat to move along the radial direction of the chuck body, and the motor shaft is connected with the transmission main shaft through the transmission belt component, so that the transmission main shaft performs axial rotation motion and drives the chuck rotating and extruding mechanism to keep rotating motion, thereby leading the extrusion structure to rotate along with the chuck rotating extrusion mechanism and move along the chuck body in the radial direction to carry out middle-shrinkage extrusion forming on the pipe blank workpiece.
Preferably, the chuck further comprises a fulcrum pin, and the crank member is rotatably arranged in the chuck body through the fulcrum pin.
Preferably, the extruded structure is spherical and made of hard alloy steel.
As preferred, chuck rotary extrusion mechanism one side still is equipped with from centering clamping mechanism, from centering clamping mechanism includes clamping mechanism body and air pressure component, clamping mechanism body upper portion has been seted up the clamping groove, air pressure component locates clamping mechanism body one side, air pressure component is equipped with the piston push pedal, piston push pedal one side is equipped with first rack and lower rack, clamping mechanism body still includes and goes up the rack with the second of first rack collineation setting, it runs through relatively in the clamping mechanism body of locating clamping groove both sides to go up rack and second, the rack is gone up to first and the second and all is equipped with the clamping jaw of looks adaptation in the one end that the rack is close to the clamping groove, lower rack runs through and locates clamping mechanism body lower part, rack makes rack relative motion go up rack and second through this internal gear of clamping mechanism and the rack adaptation transmission of second and makes the automatic centering of work piece and through clamping jaw cooperation with it And (4) clamping.
Preferably, a reciprocating mechanism and a base are further arranged below the working platform, the reciprocating mechanism comprises a linear guide rail, a driver, a transmission shaft and a fixing frame, the base is provided with the linear guide rail and the fixing frame, the working platform is arranged on the linear guide rail, one end of the transmission shaft is connected with the working platform, the transmission shaft penetrates through the fixing frame and is connected with the driver, and the working platform can reciprocate along the linear guide rail.
Preferably, the drive element and the driver are both servo motors.
Preferably, the bearing is a flat bearing.
Based on the technical scheme, the middle shrinking device for the pipe parts has the following technical advantages:
1. the middle-shrinkage device for the pipe parts is adopted, so that the working efficiency is high, and the structural design is reasonable;
2. the work platform is provided with the middle-shrinkage system, the middle-shrinkage system comprises the feeding mechanism, the main shaft transmission mechanism and the chuck rotary extrusion mechanism, the main shaft transmission mechanism is arranged on one side of the feeding mechanism, and the chuck rotary extrusion mechanism is arranged on one side of the main shaft transmission mechanism, so that the structural design is reasonable, and the work efficiency can be improved; the outer side of the sleeve is provided with a crank component, the sleeve reciprocates along with the pull rod so as to drive the crank component to move and enable the radial movable jaw seat to move along the radial direction of the chuck body, and the motor shaft is connected with the transmission main shaft through the transmission belt component so as to enable the transmission main shaft to carry out axial rotation movement and drive the chuck rotation extrusion mechanism to keep rotating movement, so that the extrusion structure can rotate along with the chuck rotation extrusion mechanism and move along the radial direction of the chuck body to carry out middle-shrinkage extrusion molding on a pipe blank workpiece, and the working efficiency is high; a slender core rod penetrates through the pull rod, so that the tube blank workpiece can be conveniently placed; the extrusion structure is spherical and made of hard alloy steel, so that a pipe blank workpiece can be better processed; a self-centering clamping mechanism is further arranged on one side of the chuck rotary extrusion mechanism, so that material clamping and automatic centering can be rapidly and stably carried out; the lower rack is in adaptive transmission with the second upper rack through a gear in the clamping mechanism body, so that the first upper rack and the second upper rack move relatively to automatically center the workpiece and clamp the workpiece through the matching of the clamping claws, and the two clamping claws can automatically center and clamp the workpiece through the relative movement of the first upper rack and the second upper rack, so that the structure is simpler, and the automatic centering and clamping can stably run; the servo motor is used as the driving element and the driver, so that the speed of the driving element and the driver can be controlled, the operation is stable, and the reaction speed is high.
Drawings
FIG. 1 is a schematic structural diagram of a retraction device for pipe parts according to the present invention.
Fig. 2 is a partial structural schematic view of the pipe part shrinking device of the present invention.
FIG. 3 is a schematic view of a partial cross-sectional configuration of the self-centering clamping mechanism of the present invention.
Fig. 4 is a schematic view of the internal structure of the chuck rotary extrusion mechanism of the present invention.
In the figure:
1. a working platform;
2. a feeding mechanism, 201, a driving element, 202, a coupling, 203, a ball screw, 204, a guide rail, 205, a movable supporting seat, 206, a bearing, 207, a fixed frame, 208, a pull rod;
3. a main shaft transmission mechanism 301, a main shaft box 302, a motor 303, a transmission belt component 304, a motor shaft 305, a transmission main shaft;
4. a chuck rotary extrusion mechanism, 401, a chuck body, 402, a sleeve, 403, a crank member, 404, a radially movable jaw seat, 405, an extrusion structure, 406, a fulcrum pin;
5. an elongated mandrel;
6. the self-centering clamping mechanism comprises a self-centering clamping mechanism 601, a clamping mechanism body, 602, an air pressure element, 603, a clamping groove, 604, a piston push plate, 605, a first upper rack, 606, a second upper rack, 607, a lower rack, 608, a clamping claw and 609, a gear;
7. a reciprocating mechanism, 701, a linear guide rail, 702, a driver, 703, a transmission shaft, 704, a fixed frame;
8. a base.
Detailed Description
The invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 4, a middle-shrinking device for pipe parts comprises a working platform 1, wherein a middle-shrinking system is arranged on the working platform 1, the middle-shrinking system comprises a feeding mechanism 2, a spindle transmission mechanism 3 and a chuck rotary extrusion mechanism 4, the spindle transmission mechanism 3 is arranged on one side of the feeding mechanism 2, and the chuck rotary extrusion mechanism 4 is arranged on one side of the spindle transmission mechanism 3.
The feeding mechanism 2 comprises a driving element 201, a coupler 202, a ball screw 203, a guide rail 204, a movable supporting seat 205, a bearing 206, a fixed frame 207 and a pull rod 208, wherein the pull rod 208 is of a hollow shaft structure, the fixed frame 207 and the guide rail 204 are both arranged on the working platform 1, the movable supporting seat 205 is arranged on the guide rail 204, the bearings 206 are arranged at two ends of the upper part of the movable supporting seat 205, the pull rod 208 is arranged in the bearings 206, the driving element 201 is arranged at one side of the fixed frame 207, the coupler 202 is arranged in the fixed frame 207 and is respectively connected with the driving element 201 and the ball screw 203, so that the driving element 201 drives the ball screw 203 to move through the coupler 202, and the movable supporting seat 205 keeps reciprocating motion on the guide rail 208 through the ball screw 203 and enables the pull. The spindle transmission mechanism 3 comprises a spindle box 301, a motor 302 and a transmission belt assembly 303, the spindle box 301 is arranged on one side of the guide rail 208, the motor 302 is arranged above the spindle box 301, a motor shaft 304 is arranged on one side of the motor 302, a transmission spindle 305 penetrates through the spindle box 301, one end of the transmission spindle 305 is connected with the chuck rotation extrusion mechanism 4, and the transmission spindle 305 is of a hollow structure. The chuck rotary extrusion mechanism 4 comprises a chuck body 401, a sleeve 402, a crank member 403, radial movable jaw seats 404 and extrusion structures 405, the chuck body 401 is uniformly provided with three radial movable jaw seats 404, each radial movable jaw seat 404 is provided with an extrusion structure 405, the crank member 403 is in transmission connection with the radial movable jaw seat 404, the chuck body 401 is internally provided with the sleeve 402, the pull rod 208 penetrates through the transmission main shaft 305 and is connected with the sleeve 402, the outer side of the sleeve 402 is provided with the crank member 403, the sleeve 402 reciprocates along with the pull rod 208, so as to drive the crank member 403 to move and enable the radial movable jaw seats 404 to move along the radial direction of the chuck body 401, and the motor shaft 304 is connected with the transmission main shaft 305 through a transmission belt assembly 303, so that the transmission main shaft 305 performs axial rotary motion and drives the chuck rotary extrusion mechanism 4 to keep rotary motion, thereby leading the extrusion structure 405 to rotate along with the chuck rotating extrusion mechanism 4 and move along the radial direction of the chuck body 401 to carry out the middle-shrinkage extrusion forming on the tube blank workpiece.
An elongated core rod 5 is also arranged in the pull rod 208 in a penetrating way. And a fulcrum pin 406, and the crank member 403 is rotatably provided in the chuck body 401 through the fulcrum pin 406. The two ends of the crank member 403 are both provided with first tooth-shaped structures, and the transmission connecting part where the radial movable jaw seat 404 is connected with the crank member 403 and the transmission connecting part where the outer side of the sleeve 402 is connected with the crank member 403 are both provided with second tooth-shaped structures matched with the first tooth-shaped structures. The extrusion 405 is spherical and made of hard alloy steel. The self-centering clamping mechanism 6 is further arranged on one side of the chuck rotary extrusion mechanism 4, the self-centering clamping mechanism 6 comprises a clamping mechanism body 601 and a pneumatic element 602, a clamping groove 603 is formed in the upper portion of the clamping mechanism body 601, the pneumatic element 602 is arranged on one side of the clamping mechanism body 601, the pneumatic element 602 is provided with a piston push plate 604, a first upper rack 605 and a lower rack 607 are arranged on one side of the piston push plate 604, the clamping mechanism body 601 further comprises a second upper rack 606 which is arranged in a collinear manner with the first upper rack 605, the first upper rack 605 and the second upper rack 606 are relatively arranged in the clamping mechanism body 601 on two sides of the clamping groove 603 in a penetrating manner, adaptive clamping claws 608 are arranged at one ends, close to the clamping groove 603, of the first upper rack 605 and the second upper rack 606, the lower rack 607 penetrates through the lower portion of the clamping mechanism body 601, and the lower rack 607 is in adaptive transmission with the second upper rack 606 through a gear in the clamping mechanism body 601, so that the first upper rack 605 and the The relative movement of the second upper rack 606 self-centers the workpiece and clamps it by engagement of the clamping jaws 608. The reciprocating mechanism 7 and the base 8 are further arranged below the working platform 1, the reciprocating mechanism 7 comprises a linear guide rail 701, a driver 702, a transmission shaft 703 and a fixing frame 704, the base 8 is provided with the linear guide rail 701 and the fixing frame 704, the working platform 1 is arranged on the linear guide rail 701, one end of the transmission shaft 703 is connected with the working platform, and the transmission shaft 703 penetrates through the fixing frame 704 and is connected with the driver 702, so that the working platform 1 can reciprocate along the linear guide rail 701. The driving element 201 and the driver 702 are both servo motors. The bearing 206 is a flat bearing. The chuck rotary extrusion mechanism 4 side also comprises a traction stretching mechanism, and the traction stretching mechanism comprises a fixed clamp and is used for clamping and stretching the middle shrinkage section position of the tube blank workpiece after the middle shrinkage.
The specific implementation process of the middle shrinking device for the pipe parts comprises the following steps:
firstly, setting the position of a pipe blank workpiece and clamping the pipe blank workpiece:
sleeving a tube blank workpiece on a long and thin mandrel 5, placing the middle end of the tube blank workpiece at the center of the extension line of an extrusion structure 405 of three radial movable jaw seats 404 on a chuck rotary extrusion mechanism 4, enabling a piston push plate 604 to drive a first upper rack 605 and a lower rack 607 to move towards the same side through an air pressure element 602 of a self-centering clamping mechanism 6, and enabling the lower rack 607 to move relatively through the matching transmission of a gear 609 in a clamping mechanism body 601 and a second upper rack 606 so as to automatically center the tube blank workpiece and clamp the tube blank workpiece through the matching of clamping jaws 608;
secondly, carrying out middle-shrinkage extrusion forming on the pipe blank workpiece:
the motor shaft 304 is connected with the transmission main shaft 305 through the transmission belt assembly 303 in a transmission way through the motor 302, so that the transmission main shaft 305 performs axial rotation motion and drives the chuck rotation extrusion mechanism 4 to keep rotation motion, then the driving element 201 drives the ball screw 203 to move through the coupler 202, the movable supporting seat 205 keeps reciprocating motion in the guide rail 204 through the ball screw 203 and enables the pull rod 208 to axially advance and retreat, the pull rod 208 penetrates through the transmission main shaft 305 and is connected with the sleeve 402, a crank member 403 is arranged on the outer side of the sleeve 402, the sleeve 402 reciprocates along with the axial advance and retreat of the pull rod 208 and simultaneously drives the crank member 403 to move and enables the radial movable jaw seat 404 to radially move along the chuck body 401, and the extrusion structure 405 of the radial movable jaw seat 404 rotates along with the chuck rotation extrusion mechanism 4 and radially moves along the chuck body 401 due to the rotation of the chuck rotation extrusion mechanism 4, so that the tube blank workpiece is subjected to middle-shrinkage extrusion forming through the extrusion forming (ii) a
Thirdly, stretching the tube blank workpiece after the centering shrinkage into a finished product of the reducing tube;
and the middle shrinkage section position of the tube blank workpiece after the middle shrinkage is clamped and stretched into a finished product of the reducer pipe by a traction stretching mechanism at one side of the chuck rotary extrusion mechanism 4.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.
Claims (7)
1. A device that contracts in for pipe part which characterized in that: the automatic feeding device comprises a working platform (1), wherein a middle-shrinkage system is arranged on the working platform (1), the middle-shrinkage system comprises a feeding mechanism (2), a main shaft transmission mechanism (3) and a chuck rotary extrusion mechanism (4), the main shaft transmission mechanism (3) is arranged on one side of the feeding mechanism (2), and the chuck rotary extrusion mechanism (4) is arranged on one side of the main shaft transmission mechanism (3);
the feeding mechanism (2) comprises a driving element (201), a coupler (202), a ball screw (203), a guide rail (204), a movable supporting seat (205), a bearing (206), a fixed frame (207) and a pull rod (208), wherein the pull rod (208) is of a hollow shaft body structure, the fixed frame (207) and the guide rail (204) are arranged on the working platform (1), the movable supporting seat (205) is arranged on the guide rail (204), the bearings (206) are arranged at two ends of the upper portion of the movable supporting seat (205), the pull rod (208) is arranged in the bearing (206), the driving element (201) is arranged at one side of the fixed frame (207), the coupler (202) is arranged in the fixed frame (207) and is respectively connected with the driving element (201) and the ball screw (203) to enable the driving element (201) to drive the ball screw (203) to move through the coupler (202), and the movable supporting seat (205) keeps reciprocating motion on the guide rail (204) through the ball screw (203) and the rod (208) advances and retracts axially;
the spindle transmission mechanism (3) comprises a spindle box (301), a motor (302) and a transmission belt assembly (303), wherein the spindle box (301) is arranged on one side of a guide rail (204), the motor (302) is arranged above the spindle box (301), a motor shaft (304) is arranged on one side of the motor (302), a transmission spindle (305) penetrates through the spindle box (301), one end of the transmission spindle (305) is connected with the chuck rotary extrusion mechanism (4), and the transmission spindle (305) is of a hollow structure;
the chuck rotary extrusion mechanism (4) comprises a chuck body (401), a sleeve (402), a crank member (403), radial movable jaw seats (404) and an extrusion structure (405), wherein at least one radial movable jaw seat (404) is uniformly distributed on the chuck body (401), the extrusion structure (405) is arranged on each radial movable jaw seat (404), the crank member (403) is in transmission connection with the radial movable jaw seat (404), the sleeve (402) is arranged in the chuck body (401), a pull rod (208) penetrates through a transmission main shaft (305) and is connected with the sleeve (402), the crank member (403) is arranged on the outer side of the sleeve (402), the sleeve (402) reciprocates along with the pull rod (208) so as to drive the crank member (403) to move and enable the radial movable jaw seats (404) to move radially along the chuck body (401), and the motor shaft (304) is connected with the transmission main shaft (305) through a transmission belt assembly (303), the transmission main shaft (305) is enabled to carry out axial rotation movement, and the chuck rotation extrusion mechanism (4) is driven to keep rotating movement, so that the extrusion structure (405) rotates along with the chuck rotation extrusion mechanism (4) and moves along the radial direction of the chuck body (401) to carry out middle-shrinkage extrusion forming on the tube blank workpiece.
2. A device for the retraction of tubular elements according to claim 1, characterised in that: the chuck further comprises a fulcrum pin (406), and the crank member (403) is rotatably arranged in the chuck body (401) through the fulcrum pin (406).
3. A device for the retraction of tubular elements according to claim 1, characterised in that: the extrusion structure (405) is spherical and made of hard alloy steel.
4. A device for the retraction of tubular elements according to claim 1, characterised in that: the self-centering clamping mechanism (6) is further arranged on one side of the chuck rotary extrusion mechanism (4), the self-centering clamping mechanism (6) comprises a clamping mechanism body (601) and an air pressure element (602), a clamping groove (603) is formed in the upper portion of the clamping mechanism body (601), the air pressure element (602) is arranged on one side of the clamping mechanism body (601), the air pressure element (602) is provided with a piston push plate (604), a first upper rack (605) and a lower rack (607) are arranged on one side of the piston push plate (604), the clamping mechanism body (601) further comprises a second upper rack (606) which is arranged in a collinear manner with the first upper rack (605), the first upper rack (605) and the second upper rack (606) penetrate through the clamping mechanism body (601) on two sides of the clamping groove (603) relatively, and adaptive clamping claws (608) are arranged at one ends, close to the clamping groove (603), of the first upper rack (605) and the second upper rack (606), the lower rack (607) penetrates through the lower part of the clamping mechanism body (601), and the lower rack (607) is in matched transmission with the second upper rack (606) through a gear (609) in the clamping mechanism body (601) to enable the first upper rack (605) and the second upper rack (606) to move relatively to automatically center a workpiece and clamp the workpiece through the matching of a clamping claw (608).
5. A device for the retraction of tubular elements according to claim 1, characterised in that: work platform (1) below still is equipped with reciprocating motion mechanism (7) and base (8), reciprocating motion mechanism (7) include linear guide (701), driver (702), transmission shaft (703) and mount (704), base (8) are equipped with linear guide (701) and mount (704), work platform (1) is located on linear guide (701), transmission shaft (703) one end is connected with work platform, transmission shaft (703) run through in mount (704) and are connected with driver (702), make work platform (1) can follow linear guide (701) reciprocating motion.
6. The apparatus of claim 5, wherein: the driving element (201) and the driver (702) are both servo motors.
7. A device for the retraction of tubular elements according to claim 1, characterised in that: the bearing (206) is a flat bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328904.0A CN107413884B (en) | 2017-05-11 | 2017-05-11 | A device that contracts in for pipe part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328904.0A CN107413884B (en) | 2017-05-11 | 2017-05-11 | A device that contracts in for pipe part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107413884A CN107413884A (en) | 2017-12-01 |
| CN107413884B true CN107413884B (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710328904.0A Active CN107413884B (en) | 2017-05-11 | 2017-05-11 | A device that contracts in for pipe part |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971260A (en) * | 2018-08-31 | 2018-12-11 | 福建坤孚股份有限公司 | A kind of equipment for processing variable diameter magnesium alloy pipe |
| CN109013746A (en) * | 2018-08-31 | 2018-12-18 | 福建坤孚股份有限公司 | A kind of variable diameter method of magnesium-alloy tube |
| CN109158481B (en) * | 2018-09-12 | 2023-09-12 | 泰州驰骏智能设备有限公司 | Automatic change well system of contracting |
| CN109013726A (en) * | 2018-09-12 | 2018-12-18 | 泰州驰骏智能设备有限公司 | A kind of implementation method using compression system processing air conditioner connecting pipe base in automation |
| CN109676043A (en) * | 2019-02-25 | 2019-04-26 | 廊坊中德汽车座椅制造有限公司 | Necking device of headrest rod of automobile seat |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7316142B2 (en) * | 2004-05-21 | 2008-01-08 | Lancaster Paul B | Metal spin forming head |
| AT509642B1 (en) * | 2010-03-29 | 2013-03-15 | Gfm Gmbh | METHOD FOR THE PRODUCTION OF WHEEL AXES, ESPECIALLY FOR RAILWAY CARTS |
| CN202037223U (en) * | 2011-04-01 | 2011-11-16 | 上海傲垦机电设备有限公司 | Numerical control metal spinning machine |
| US9333548B2 (en) * | 2013-08-12 | 2016-05-10 | Victaulic Company | Method and device for forming grooves in pipe elements |
| CN204396582U (en) * | 2014-11-06 | 2015-06-17 | 扬州龙川钢管有限公司 | A kind of steel pipe spinning machine |
| CN205236828U (en) * | 2015-12-11 | 2016-05-18 | 天津市聚永顺科技发展有限公司 | Pipe shrinking machine |
| CN106391809B (en) * | 2016-09-20 | 2018-03-16 | 西安交通大学 | A kind of full electric servo type disperses the large-size horizontal Opposite roller spinning equipment of more power |
| CN206763628U (en) * | 2017-05-11 | 2017-12-19 | 泰州驰骏智能设备有限公司 | A kind of middle compression apparatus for pipe part |
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2017
- 2017-05-11 CN CN201710328904.0A patent/CN107413884B/en active Active
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