CN112570577A - Forming apparatus and forming method for pipe joint - Google Patents
Forming apparatus and forming method for pipe joint Download PDFInfo
- Publication number
- CN112570577A CN112570577A CN202010411312.7A CN202010411312A CN112570577A CN 112570577 A CN112570577 A CN 112570577A CN 202010411312 A CN202010411312 A CN 202010411312A CN 112570577 A CN112570577 A CN 112570577A
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- Prior art keywords
- pipe joint
- forming
- driving
- rotating
- shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The forming equipment comprises a base, a mounting table arranged on the base, a plurality of forming mechanisms, a shaping mechanism, a horizontal rotating disk, a rotating mechanism used for driving the horizontal rotating disk to rotate, and a workpiece clamping tool arranged on the horizontal rotating disk and matched with the forming mechanism and the shaping mechanism. The invention carries out the forming of the pipe fitting by steps, firstly carries out flaring by a forming mechanism, then carries out pier head (processing an inner cavity for placing a sealing element) and finally carries out shaping, in the whole processing process, the processing amount is large and small each time so as to ensure the precision, the transition arc of the connection between the inner cavity of the pipe fitting (for placing a sealing ring) and a straight line section is small, the higher precision is further ensured, and the product quality and the first pass percent are very high.
Description
Technical Field
The invention relates to the technical field of pipe fittings, in particular to a forming device and a forming method for a pipe joint.
Background
Water conveying equipment goes through the development process of conveying pipelines for several generations from iron pipes, galvanized pipes, plastic pipes, copper pipes and the like, but still cannot solve and meet the relevant standard requirements of water sanitation.
The Chinese invention patent with the patent number of CN201911082237.8 and the application date of 2019.11.07 discloses a preparation process of a stainless steel clamping pipe fitting, which comprises a forming stage and a shaping stage, wherein the forming stage adopts a hydraulic bulging process, the hydraulic bulging process adopts an upper die, a lower die, a left push head and a right push head to fix a pipe blank in a forming cavity, and high-pressure oil is input through oil conveying pipelines inside the left push head and the right push head to enable the pipe blank to radially expand under the liquid pressure of the hydraulic oil; and in the shaping stage, a rolling process is adopted, and a convex roller and a groove roller are adopted to apply pressure in the pipe shaft direction of the pipe blank and perform rolling processing. The invention adopts an efficient hydraulic bulging process in the forming stage. However, the preparation process has the following disadvantages during production: 1. the mode of high-pressure hydraulic oil radially expands, and the precision of processing out is low relatively, and when cooperating with the sealing washer, the bad phenomenon of sealing appears easily, 2, with higher hydraulic oil cooperation about the pusher carry out radially expanding, the pressure ratio of high-pressure oil is great, the problem of fluid seepage, pollution appears easily, influences production efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a forming device and a forming method for a pipe joint, solves the problems in the prior art, and is used for forming a pipe fitting step by step, wherein a forming mechanism is used for flaring, then a pier head (an inner cavity for placing a sealing element is machined) and finally shaping are carried out.
The technical purpose of the invention is realized by the following technical scheme: a former for coupling includes the base, establishes mount table on the base, establishes a plurality of forming mechanism, plastic mechanism, horizontal rotation dish on the mount table, be used for driving the rotatory rotary mechanism of horizontal rotation dish and establishing on the horizontal rotation dish with forming mechanism, plastic mechanism matched with work piece press from both sides tight frock.
As a further preferable technical solution of the present invention, the workpiece clamping tool includes a mounting base fixedly connected to the horizontal rotating disk, a bracket provided on the mounting base, a lower pressing mold provided on the mounting base, an upper pressing mold, an actuating mechanism for driving the upper pressing mold to move, and a vertical guiding mechanism for guiding the upper pressing mold when moving.
As a further preferable technical solution of the present invention, the actuator includes a hydraulic cylinder or an air cylinder or a tokes cylinder.
As a further preferable technical solution of the present invention, the rotating mechanism includes a turntable mounting seat fixed on the base, a rotating shaft disposed in the turntable mounting seat, a plane bearing disposed on the turntable mounting seat and used for cooperating with the horizontal rotating disk, and a driving mechanism for driving the rotating shaft to rotate.
As a further preferable embodiment of the present invention, the drive mechanism includes a rotary servo motor.
In a further preferred embodiment of the present invention, the molding mechanism includes a conveying servo motor, a conveying screw connected to the conveying servo motor, a moving table connected to the conveying screw, a linear guide for guiding the moving table when the moving table moves, and a mounting head provided on the moving table.
As a further preferable technical solution of the present invention, the shaping mechanism includes a shaping servo motor, a shaping screw connected to the shaping servo motor, a slide table connected to the shaping screw, a guide rail for guiding when the slide table moves, a central rotating shaft provided on the slide table, a tool mounting head mounted on one end of the central rotating shaft, a driven wheel provided on the other end of the central shaft, a reduction motor, and a driving wheel connected to an output shaft of the reduction motor for driving the driven wheel to rotate.
As a further preferable technical scheme of the invention, the number of the forming mechanisms is 2-4, and the number of the workpiece clamping tools is 4-6.
A forming method of pipe joint forming equipment is characterized by comprising the following steps:
step 1), clamping, namely putting a pipe joint to be formed into a workpiece clamping tool to realize clamping;
step 2), opening expansion is carried out, the horizontal rotating disk is driven to rotate through the rotating mechanism, the pipe joint clamped in the step 1) is rotated to a forming mechanism, and the opening expansion head is driven by the forming mechanism to expand the opening;
step 3), driving the horizontal rotating disc to continuously rotate through the rotating mechanism, rotating the pipe joint subjected to opening expansion in the step 2) to the next forming mechanism, and driving the pier body to pier by the forming mechanism;
step 4) shaping, namely driving the horizontal rotating disc to continuously rotate through the rotating mechanism, rotating the pipe joint of the pier head completed in the step 3) to a shaping mechanism, and driving a shaping cutter to shape the expansion opening and the pier head through the shaping mechanism;
and 5) blanking, namely driving the horizontal rotating disc to continuously rotate through the rotating mechanism, rotating the pipe joint shaped in the step 4) to a blanking position, and blanking the formed pipe joint.
Further, as a preferable technical scheme of the molding method: and in the step 2), the two steps of primary opening expansion and secondary opening expansion are divided, wherein the horizontal rotating disc is driven to rotate through the rotating mechanism, the pipe joint clamped in the step 1) is rotated to the next forming mechanism, the opening expansion head is driven by the forming mechanism to expand, then the horizontal rotating disc is driven by the rotating mechanism to continue rotating, the pipe joint with the primary opening expansion is rotated to the next forming mechanism, and the opening expansion head is driven by the forming mechanism to perform secondary opening expansion.
In conclusion, the invention has the following beneficial effects:
the invention carries out the forming of the pipe fitting by steps, firstly carries out flaring by a forming mechanism, then carries out pier head (processing an inner cavity for placing a sealing element) and finally carries out shaping, in the whole processing process, the processing amount is large and small each time so as to ensure the precision, the transition arc of the connection between the inner cavity of the pipe fitting (for placing a sealing ring) and a straight line section is small, the higher precision is further ensured, and the product quality and the first pass percent are very high.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural view of a molding mechanism in embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a shaping mechanism in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a workpiece clamping tool in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a rotating mechanism in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1, 2, 3, 4 and 5, the forming device for the pipe joint comprises a base 1, a mounting platform 2 arranged on the base 1, a plurality of forming mechanisms 3, a shaping mechanism 6, a horizontal rotating disk 7 arranged on the mounting platform 2, a rotating mechanism 4 for driving the horizontal rotating disk 7 to rotate, and a workpiece clamping tool 5 arranged on the horizontal rotating disk 7 and matched with the forming mechanisms 3 and the shaping mechanism 6.
The applicant finds, after research and experiments, that the existing pipe forming method is an internal high-pressure forming method, and adopts water expansion, oil expansion, mechanical expansion and other modes, the core of the method is to place a pipe into a die and then expand the pipe by internal high pressure to process the pipe (place a sealing ring), so that the finished product processing is finished by the steps after one-time clamping, and the method has high efficiency, but has the defects that the problems of leakage and the like caused by internal high pressure are not solved, most importantly, the pipe processed by internal high pressure has an unsatisfactory sealing effect, and the applicant finds, after research, that the first point is unavoidable leakage influence, and when high-pressure forming is carried out, the leakage of fluid is unavoidable, the pressure fluctuation and the like caused by the pressure fluctuation influence the forming effect, and most importantly, the shape processed under high pressure is deformed when the pressure disappears. The amount of this deformation is difficult to calculate accurately, which relates to the amount of leakage, the pressure values, the mold, the part material, the part dimensions, the wall thickness, etc. This is particularly true for thin-walled tubes, which are relatively thin and are more prone to deformation, which is detrimental for sealing and pipe connections, so that the combination of such parameters with internal high pressure results in a tube yield after forming that is only on an approximate level, typically around 95%, or even lower. Therefore, the applicant develops the forming equipment and the forming method of the application, does not adopt the conventional common internal high pressure forming method, but adopts a mechanical processing method of multiple times and steps, successfully avoids the problems, improves the product percent of pass, and approaches to one hundred percent.
Therefore, the former for coupling of this application adopts horizontal rotary disk 7 to drive the coupling that needs the shaping and carries out the horizontal rotation, and the processing of a station is carried out at first flaring, pier nose, then carries out the plastic and repaiies, and for one shot forming, its single processingquantity is less relatively, and the deformation influence that from this brings can be ignored, and horizontal rotary disk is driven by rotary mechanism, and the pipe fitting setting is pressed from both sides tight frock in the work piece, is driven together.
In this embodiment, the workpiece clamping tool 5 is used for fixing a pipe joint to be formed, and the workpiece clamping tool 5 includes an installation base 501 fixedly connected to the horizontal rotation disk 7, a bracket 502 arranged on the installation base 501, a lower pressing mold 503 arranged on the installation base 501, an upper pressing mold 504, an executing mechanism 505 for driving the upper pressing mold 504 to move, and a vertical guiding mechanism 506 for guiding when the upper pressing mold 504 moves; vertical guiding mechanism 504 can adopt the guide bar structure, and it establishes the hole on the support to lead to go up to compress tightly the mould connection guide bar cooperation promptly, and perhaps, the adoption has present linear guide structure also can, is equipped with the cavity that holds the pipe fitting on lower compression mould 503 and/or the last mould 504 that compresses tightly, actuating mechanism 505 includes pneumatic cylinder or tuo ke si jar, or all the other existing products that can realize the same function, and mount pad and support can form a whole, and the shape is "C" shape, also can separately install.
The rotating mechanism 4 is used for driving the horizontal rotating disc to rotate, so that the pipe fitting to be machined is conveyed to each machining position, and the rotating mechanism 4 comprises a rotating disc mounting seat 401 fixed on the base 1, a rotating shaft 402 arranged in the rotating disc mounting seat 401, a plane bearing 403 arranged on the rotating disc mounting seat 401 and used for being matched with the horizontal rotating disc 7, and a driving mechanism 404 for driving the rotating shaft 402 to rotate; the drive mechanism 404 includes a rotary servo motor.
Further, the molding mechanism 3 includes a conveying servo motor 301, a conveying screw 302 connected to the conveying servo motor 301, a moving table 303 connected to the conveying screw 302, a linear guide 304 for guiding when the moving table 303 moves, and an attachment head 305 provided on the moving table 303, an output shaft of the conveying servo motor is connected to the output screw, a screw nut is connected to the moving table, the moving table can move on the linear guide to perform conveying, and the attachment head is used for attaching a mouth-expanding head to realize mouth expansion.
Further, the shaping mechanism 6 includes a shaping servo motor 601, a shaping screw 602 connected to the shaping servo motor 601, a sliding table 603 connected to the shaping screw 602, a guide rail 604 for guiding when the sliding table 603 moves, a central rotating shaft 605 disposed on the sliding table 603, a cutter mounting head 606 mounted at one end of the central rotating shaft 605, a driven wheel 607 disposed at the other end of the central shaft 605, a speed reducing motor 608, and a driving wheel 609 connected to an output shaft of the speed reducing motor 608 for driving the driven wheel 607 to rotate, the driving wheel and the cutter mounting head may be connected by a belt, or may be connected by a belt, and are driven by the speed reducing motor to rotate for shaping.
In the present embodiment, the number of the forming mechanisms 3 is 2, the number of the workpiece clamping tools 5 is 6, and the specific number of the two is not limited to the number described in the present application, and can be adjusted according to actual situations.
A forming method of pipe joint forming equipment is characterized by comprising the following steps:
step 1, clamping, namely placing a pipe joint to be formed into a workpiece clamping tool 5 to realize clamping, placing the pipe joint to be processed into a lower pressing die, and then driving the upper pressing die to move downwards by an actuating mechanism to realize clamping of the pipe joint so as to prepare for forming and processing below;
step 4, shaping, namely driving the horizontal rotating disc 7 to continuously rotate through the rotating mechanism 4, rotating the pipe joint of the pier head completed in the step 3 to a shaping mechanism 6, and driving a shaping cutter to shape the expansion opening and the pier head through the shaping mechanism 6;
and 5, blanking, namely driving the horizontal rotating disk 7 to continuously rotate through the rotating mechanism 4, rotating the pipe joint shaped in the step 4 to a blanking position, and blanking the formed pipe joint.
From the above steps, it can be seen that the method of the present application, when processing, for a single pipe joint, separates the whole forming steps, first performs mouth expansion, then performs head upsetting, and then performs reshaping, so as to achieve a relatively precise dimensional requirement with a relatively small processing amount, and improves the qualification rate of the product, and apart from the processing of a single pipe joint, when viewed as a whole, at the position before performing the pipe joint of the head upsetting, another pipe joint performs mouth expansion, and at the position after performing the head upsetting, another pipe joint performs reshaping, so that the overall working efficiency is very high, and under the condition of maintaining a relatively high-efficiency processing, relatively high precision, relatively high qualification rate, relatively high failure rate, and relatively high sealing effect are achieved, and the competitiveness of enterprises is greatly improved.
In example 2, referring to fig. 6, in this embodiment, the number of the forming mechanisms 3 is 3, the number of the work clamping tools 5 is 6, and the number of the forming mechanisms is three because the expansion is performed in two steps, so that the machining precision can be further improved, the yield can be ensured, and the rest is the same as that of example 1.
A forming method of pipe joint forming equipment is characterized by comprising the following steps:
step 1, clamping, namely placing a pipe joint to be formed into a workpiece clamping tool 5 to realize clamping, placing the pipe joint to be processed into a lower pressing die, and then driving the upper pressing die to move downwards by an actuating mechanism to realize clamping of the pipe joint so as to prepare for forming and processing below;
step 4, shaping, namely driving the horizontal rotating disc 7 to continuously rotate through the rotating mechanism 4, rotating the pipe joint of the pier head completed in the step 3 to a shaping mechanism 6, and driving a shaping cutter to shape the expansion opening and the pier head through the shaping mechanism 6;
and 5, blanking, namely driving the horizontal rotating disk 7 to continuously rotate through the rotating mechanism 4, rotating the pipe joint shaped in the step 4 to a blanking position, and blanking the formed pipe joint.
Claims (10)
1. A former for a pipe joint, characterized in that: including base (1), establish mount table (2) on base (1), establish a plurality of forming mechanism (3), plastic mechanism (6), horizontal rotation dish (7) on mount table (2), be used for driving rotary mechanism (4) of horizontal rotation dish (7) rotation and establishing horizontal rotation dish (7) go up with forming mechanism (3), plastic mechanism (6) matched with work piece press from both sides tight frock (5).
2. The molding apparatus for a pipe joint according to claim 1, wherein: the workpiece clamping tool (5) comprises a mounting seat (501) fixedly connected with the horizontal rotating disk (7), a support (502) arranged on the mounting seat (501), a lower pressing die (503) arranged on the mounting seat (501), an upper pressing die (503), an executing mechanism (504) used for driving the upper pressing die (503) to move, and a vertical guiding mechanism (504) used for guiding when the upper pressing die (503) moves.
3. The molding apparatus and method for a pipe joint according to claim 2, wherein: the actuator (504) comprises a hydraulic or pneumatic cylinder or a trokes cylinder.
4. The molding apparatus for a pipe joint according to claim 1, wherein: the rotating mechanism (4) comprises a turntable mounting seat (401) fixed on the base (1), a rotating shaft (402) arranged in the turntable mounting seat (401), a plane bearing (403) arranged on the turntable mounting seat (401) and used for being matched with the horizontal rotating disk (7), and a driving mechanism (404) for driving the rotating shaft (402) to rotate.
5. The molding apparatus for a pipe joint according to claim 4, wherein: the drive mechanism (404) includes a rotary servo motor.
6. The molding apparatus for a pipe joint according to claim 1, 2 or 3, wherein: the molding mechanism (3) comprises a conveying servo motor (301), a conveying screw rod (302) connected with the conveying servo motor (301), a moving table (303) connected with the conveying screw rod (302), a linear guide rail (304) used for guiding when the moving table (303) moves, and an installation head (305) arranged on the moving table (303).
7. The molding apparatus for a pipe joint according to claim 1, 2 or 3, wherein: the shaping mechanism (6) comprises a shaping servo motor (601), a shaping screw rod (602) connected with the shaping servo motor (601), a sliding table (603) connected with the shaping screw rod (602), a guide rail (604) used for guiding when the sliding table (603) moves, a central rotating shaft (605) arranged on the sliding table (603), a cutter mounting head (606) arranged at one end of the central rotating shaft (605), a driven wheel (607) arranged at the other end of the central shaft (605), a speed reduction motor (608) and a driving wheel (609) connected with an output shaft of the speed reduction motor (608) and used for driving the driven wheel (607) to rotate.
8. The molding apparatus for a pipe joint according to claim 1, 2 or 3, wherein: the number of the forming mechanisms (3) is 2-4, and the number of the workpiece clamping tools (5) is 4-6.
9. A forming method of pipe joint forming equipment is characterized by comprising the following steps:
step 1), clamping, namely putting a pipe joint to be formed into a workpiece clamping tool (5) to realize clamping;
step 2), opening expansion is carried out, the horizontal rotating disk (7) is driven to rotate through the rotating mechanism (4), the pipe joint clamped in the step 1) is rotated to a forming mechanism (3), and the opening expansion head is driven to expand through the forming mechanism (3);
step 3), driving the horizontal rotating disk (7) to continuously rotate through the rotating mechanism (4), rotating the pipe joint with the opening expanded in the step 2) to the next forming mechanism (3), and driving the pier body to pier by the forming mechanism (3);
step 4), shaping, namely driving the horizontal rotating disc (7) to continuously rotate through the rotating mechanism (4), rotating the pipe joint of the pier head completed in the step 3) to the shaping mechanism (6), and driving a shaping cutter to shape the expansion opening and the pier head through the shaping mechanism (6);
and 5) blanking, namely driving the horizontal rotating disc (7) to continuously rotate through the rotating mechanism (4), rotating the pipe joint shaped in the step 4) to a blanking position, and blanking the formed pipe joint.
10. The molding method of a pipe joint molding apparatus according to claim 9, characterized in that: and in the step 2), the two steps of primary opening expansion and secondary opening expansion are divided, wherein the horizontal rotating disk (7) is driven to rotate through the rotating mechanism (4), the pipe joint clamped in the step 1) is rotated to the next forming mechanism (3), the opening expansion head is driven to expand through the forming mechanism (3), then the horizontal rotating disk (7) is driven to rotate continuously through the rotating mechanism (4), the pipe joint with the primary opening expansion is rotated to the next forming mechanism (3), and the opening expansion head is driven to expand for the second time through the forming mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411312.7A CN112570577A (en) | 2020-05-15 | 2020-05-15 | Forming apparatus and forming method for pipe joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411312.7A CN112570577A (en) | 2020-05-15 | 2020-05-15 | Forming apparatus and forming method for pipe joint |
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| CN112570577A true CN112570577A (en) | 2021-03-30 |
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| CN202010411312.7A Pending CN112570577A (en) | 2020-05-15 | 2020-05-15 | Forming apparatus and forming method for pipe joint |
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Citations (12)
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| US4505144A (en) * | 1983-02-18 | 1985-03-19 | Honda Giken Kogyo Kabushiki Kaisha | Apparatus for simultaneous both-end shaping of workpiece |
| US5257525A (en) * | 1992-06-24 | 1993-11-02 | Atco Products, Inc. | Portable slim-line hose fitting crimper |
| JPH0952128A (en) * | 1995-08-12 | 1997-02-25 | Shizusei Kogyo Kk | Method for forming flange on end of stainless steel tube and device for working flange |
| JP2003191031A (en) * | 2001-12-26 | 2003-07-08 | Yamamoto Denki:Kk | Press for small short tubular body end |
| CN200967134Y (en) * | 2006-11-10 | 2007-10-31 | 曾世义 | Full-automatic multi-station tube end forming machine |
| CN102626738A (en) * | 2011-12-28 | 2012-08-08 | 昆山德丰精密金属制品有限公司 | Copper pipe forming mould for compressor |
| CN104028655A (en) * | 2014-06-09 | 2014-09-10 | 中山市富菱斯机电设备有限公司 | Fully-automatic pipe end molding machine |
| CN205763080U (en) * | 2016-05-31 | 2016-12-07 | 成都世康管业有限公司 | A kind of mouth of pipe integer instrument |
| CN109127930A (en) * | 2018-08-24 | 2019-01-04 | 白尊敏 | Reducing device is expanded in the clamping of tube end maching clamping device and tube end maching |
| CN109622785A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation elbow pipe piece forming machine |
| CN109622786A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation leads directly to pipe fitting molding machine |
| CN210146829U (en) * | 2019-07-01 | 2020-03-17 | 绍兴市凯杰铜业有限公司 | Station conversion device of full-automatic pipe fitting machining equipment |
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2020
- 2020-05-15 CN CN202010411312.7A patent/CN112570577A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505144A (en) * | 1983-02-18 | 1985-03-19 | Honda Giken Kogyo Kabushiki Kaisha | Apparatus for simultaneous both-end shaping of workpiece |
| US5257525A (en) * | 1992-06-24 | 1993-11-02 | Atco Products, Inc. | Portable slim-line hose fitting crimper |
| JPH0952128A (en) * | 1995-08-12 | 1997-02-25 | Shizusei Kogyo Kk | Method for forming flange on end of stainless steel tube and device for working flange |
| JP2003191031A (en) * | 2001-12-26 | 2003-07-08 | Yamamoto Denki:Kk | Press for small short tubular body end |
| CN200967134Y (en) * | 2006-11-10 | 2007-10-31 | 曾世义 | Full-automatic multi-station tube end forming machine |
| CN102626738A (en) * | 2011-12-28 | 2012-08-08 | 昆山德丰精密金属制品有限公司 | Copper pipe forming mould for compressor |
| CN104028655A (en) * | 2014-06-09 | 2014-09-10 | 中山市富菱斯机电设备有限公司 | Fully-automatic pipe end molding machine |
| CN205763080U (en) * | 2016-05-31 | 2016-12-07 | 成都世康管业有限公司 | A kind of mouth of pipe integer instrument |
| CN109127930A (en) * | 2018-08-24 | 2019-01-04 | 白尊敏 | Reducing device is expanded in the clamping of tube end maching clamping device and tube end maching |
| CN109622785A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation elbow pipe piece forming machine |
| CN109622786A (en) * | 2019-01-23 | 2019-04-16 | 国琳(天津)科技有限公司 | Multistation leads directly to pipe fitting molding machine |
| CN210146829U (en) * | 2019-07-01 | 2020-03-17 | 绍兴市凯杰铜业有限公司 | Station conversion device of full-automatic pipe fitting machining equipment |
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Application publication date: 20210330 |