CN208483123U - A kind of equipment for processing breeches pipe - Google Patents
A kind of equipment for processing breeches pipe Download PDFInfo
- Publication number
- CN208483123U CN208483123U CN201820798391.XU CN201820798391U CN208483123U CN 208483123 U CN208483123 U CN 208483123U CN 201820798391 U CN201820798391 U CN 201820798391U CN 208483123 U CN208483123 U CN 208483123U
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- pipe
- breeches pipe
- nozzle
- flaring
- die
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Abstract
The utility model discloses a kind of equipment for processing Y shape triplet copper pipe nozzle, including workbench, the workbench is equipped with feeding mechanism, positioning indexing rotating mould, upper clamping device, flaring mechanism and the necking mechanism being used cooperatively with positioning indexing rotating mould；The feeding mechanism is arranged in parallel with positioning indexing rotating mould, the upper clamping device is arranged vertically at the circumference top with positioning indexing rotating mould, the side of positioning indexing rotating mould and upper clamping mold clamping position is arranged in the flaring mechanism, and the other side of positioning indexing rotating mould is arranged in the necking mechanism.The indexing rotation being mainly used for through positioning indexing rotating mould of the utility model, realization process with misplacing to three nozzles of Y shape triplet copper pipe, it realizes and concentrates flaring and necking down process on one device, reduce the lead-time, and simple and convenient processing method is easy, improves processing efficiency.
Description
Technical field
The utility model relates to a kind of for processing the process equipment of copper pipe nozzle, in particular to a kind of while to Y shape three
Equipment that three nozzles of siphunculus are processed, full-automatic.
Background technique
In the electric refrigerators production process such as refrigerator, refrigerator-freezer, air-conditioning, refrigeration pipeline is essential critical component.?
In production process, the connection of pipeline is important procedure, in the pre-connection, needs to be flared pipeline accordingly or necking, with suitable
Procedure calls are answered, guarantee being normally carried out for production, it is ensured that product quality.Flaring and necking are to pass through cylindrical part or pipe fitting
A kind of forming process that flaring or necking die expand or shrink its mouth diameters, to obtain institute by necking or expanding
Product is needed, achievees the purpose that shorten process, save material.
The application of pipe fitting in daily production and life is also extremely wide, in daily production and life, is socketed between pipe fitting
Relatively conventional, it is narrow end that one end is necessarily had between the pipe fitting of socket, and one end is wide end, thus by wide end by narrow end fitting,
And then be sequentially connected between pipe fitting, to connect into the length of needs.In the prior art, the system of most of this kind of socket pipe fittings
It is standby to be formed generally by injection molding, because pipe fitting wide end is different from narrow end diameter, thus produce in the production of pipe fitting more time-consuming
Arduously, production efficiency is greatly reduced, and the consistent cylindrical tube of diameter is then extremely easy production in production, and produces skill
Art is mature.
In the prior art, many metal tubes are used to that nozzle ream operation need to be carried out when product manufacturing or engineering construction, now
Pipe-expanding machine is usually used, sets fixture and flaring tooling on pipe-expanding machine, will after being flared metal tube and positioning, clamp on fixture,
The nozzle of metal tube is expanded from metal pipe mouth indentation metal tube, reach flaring purpose by mold core under pressure；And it is golden
The necking machine for belonging to pipe be usually pipe fitting end face is carried out pipe processing equipment, copper pipe necking in the prior art mostly uses knocking
Necking equipment, punching type necking equipment are loaded on drilling machine, carry out spinning necking on lathe, but the above flaring or necking equipment are deposited
In following disadvantage.
(1) clamping of the pipe-expanding machine of prior art metal tube to be flared, the indentation of mold core flaring are all worker's manual operationss
It completes, working efficiency is low, labor intensity is high.
(2) the necking machine technique of the prior art often haves the defects that the degree of automation is low, necking quality is unsatisfactory.
(3) according to different products, often certain copper pipes need to carry out flaring or necking work to different nozzles simultaneously
Skill needs to carry out multiple die change on one device, and time-consuming and laborious, working efficiency is not high.
Summary of the invention
The technical problem to be solved by the present invention is to provide three a kind of full-automation while to breeches pipe
Nozzle carries out the process equipment of flaring or necking down process.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows: a kind of equipment for processing breeches pipe,
Including setting standoff workbench, it is characterised in that the bracket is equipped with the upper clamping device for clamping breeches pipe, institute
The lower section of clamping device is stated equipped with the rotating mechanism for positioning breeches pipe, the front side of the rotating mechanism, which is equipped with, to be used for
Flaring mechanism, the rear side of expansion the second nozzle of Y-shaped three-way pipe are equipped with the necking mechanism for reducing the first nozzle of Y-shaped three-way pipe,
The feeding mechanism for moving breeches pipe is additionally provided on the workbench, the feeding mechanism includes straight line feeder, straight line
Breeches pipe is transported on rotating mechanism by feed appliance；
The rotating mechanism includes swivel base, and the swivel base is connected with rotary shaft, the circumference of the swivel base
It is first-class to be equipped with several for fixing the die cavity of breeches pipe；
The upper clamping device includes being equipped with the Die and mould plate of the second die cavity of equivalent die cavity and for pushing Die and mould plate to overlay
First cylinder of rotating mechanism, first cylinder are arranged on bracket；
The flaring mechanism includes flaring die head for expanding the second nozzle of Y-shaped three-way pipe and will be flared die head horizontal axis
To the second mobile cylinder；
The necking mechanism includes for reducing the necking pipe device of the first nozzle of Y-shaped three-way pipe and driving necking pipe device
The motor of rotation, the necking pipe device include reducing die and the middle interconnecting piece that connect reducing die with motor output shaft.
Further, the flaring die head is section in stepped cylindrical body, and the flaring die head includes entering Y type three
The front-end block of the second spout diameter of siphunculus, the transition block that the second spout diameter of Y-shaped three-way pipe is gradually expanded and for expanding Y type three
The back-end block of the second spout diameter of siphunculus.
Further, the section of the reducing die is horn-like.
Further, the quantity of the die cavity is eight.
Further, the straight line feeder is connected with the dressing mechanism for arranging arrangement breeches pipe, the arrangement
Mechanism includes disk hopper, and the top of the disk hopper is equipped with the helical orbit for the breeches pipe that sorts one by one, the spiral shell
Rotation track is connected with straight line feeder.
Compared with prior art, the utility model has the beneficial effects that.
(1) rotating mechanism of the utility model realizes the manufacturing procedure to misplace to three nozzles of breeches pipe,
Flaring and necking are carried out to required workpiece simultaneously, is flared or the quality of necking is guaranteed, realizing will flaring and necking down process
It concentrates on one device, reduces the lead-time, and simple and convenient processing method is easy, improve processing efficiency.
(2) the utility model adds automatic feed mechanism, so that the degree of automation of the utility model improves, realizes certainly
Dynamicization processing, only need to artificially put the workpiece in dressing mechanism, be arranged by vibration so that workpiece arranges and passes through in an orderly manner
Feeding mechanism is transported on the mold of processing, reduces the process of production and processing, easy to produce, is suitable for batch production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the main view of the utility model.
Fig. 3 is that the utility model shows about the decomposition texture of rotating mechanism, upper clamping device, flaring mechanism and necking mechanism
It is intended to.
Fig. 4 is the enlarged diagram at the A in Fig. 3.
Fig. 5 is the structural schematic diagram of the necking mechanism of the utility model.
Fig. 6 is the structural schematic diagram of the upper clamping device of the utility model.
Fig. 7 is the structural schematic diagram of the flaring mechanism of the utility model.
Fig. 8 is the structural schematic diagram of the feeding mechanism of the utility model.
Fig. 9 is the main view of breeches pipe.
In figure:
Workbench 1, feeding mechanism 2, rotating mechanism 3, upper clamping device 4, flaring mechanism 5, necking mechanism 6, breeches pipe
7, adjustment block 8, bracket 11, dressing mechanism 21, disk hopper 22, straight line feeder 23, swivel base 31, rotary shaft 32, die cavity
33, bolt 34, the first cylinder 41, Die and mould plate 42, the second die cavity 43, the second cylinder 51, flaring die head 53, front-end block 54, transition
Block 55, back-end block 56, motor 61, necking pipe device 62, the first nozzle 71, the second nozzle 72, helical orbit 211, pulse electromagnetic
Iron 212, spring leaf 213, motor output shaft 611, middle interconnecting piece 622, reducing die 623.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in figures 1 and 3, a kind of equipment for processing breeches pipe nozzle, the workbench 1 including being equipped with bracket 11 are excellent
Selection of land, support frame as described above 11 are specially a steel cube frame, are wherein used between frame and frame with being welded together
The component needed for carrying.In addition, being additionally provided with several on workbench for adjusting the adjustment block 8 of height, it is convenient for various mechanism phases
Mutually cooperation.The shape of breeches pipe 7 is as shown in Figure 9.
The bracket 11 is equipped with the upper clamping device 4 for clamping breeches pipe, the lower section of the upper clamping device 4
Equipped with the rotating mechanism 3 for positioning breeches pipe 7, the front side of the rotating mechanism 3 is equipped with for expanding breeches pipe the
Flaring mechanism 5, the rear side of two nozzles 72 are equipped with the necking mechanism 6 for reducing the first nozzle of breeches pipe 71, the workbench
The feeding mechanism 2 for moving breeches pipe 7 is additionally provided on 1, the feeding mechanism 2 includes straight line feeder 23, linear feeding
Breeches pipe 7 is transported on rotating mechanism 3 by device 23.
As shown in figure 3, the rotating mechanism 3 includes swivel base 31, the swivel base 31 passes through rotation with hydraulic cylinder
Shaft 32 is connected, through hydraulic cylinder under automatically controlled control, the swivel base 31 rotary work in an orderly manner, and the rotation bottom
Several die cavitys 33 for being used to fix breeches pipe 7 are equipped on the circumference of disk 31 etc., it is described for the utility model
The quantity of die cavity 33 is eight, and die cavity 33 adapts to the shape of breeches pipe 7, and is fixed on swivel base 31 by bolt 34
Circumference on, as shown in Figure 4.
The upper clamping device 4 includes being equipped with the Die and mould plate 42 of the second die cavity 43 of equivalent die cavity 33 and for pushing mold
Plate 42 overlays the first cylinder 41 of rotating mechanism 3, and first cylinder 41 is fixed on bracket 11 and makes 43 face of the second die cavity
Die cavity 33, as shown in Fig. 1 and Fig. 6.When the work of the first cylinder 41, the piston rod of the first cylinder 41 extends driven mold plate 42
Vertical downward movement is done, second die cavity 43 follows Die and mould plate 42 to move downward together, in die cavity 33 and the second die cavity 43
Breeches pipe 7 is clamped at die-closed position.
The flaring mechanism 5 includes flaring die head 53 for expanding the second nozzle of breeches pipe 72 and by flaring die
The second mobile cylinder 51 of first 53 X direction, as shown in Figure 7.In the embodiments of the present invention, the flaring die head 53 is
Section in stepped cylindrical body, the flaring die head 53 include into the 2nd 72 spout diameter of breeches pipe front-end block 54,
The transition block 55 of 72 internal diameter of the second nozzle of breeches pipe is gradually expanded and for expanding 72 internal diameter of the second nozzle of breeches pipe
Back-end block 56, for preferably to flaring die head 53 be described in detail, when the utility model device is to the second nozzle of breeches pipe
When 72 progress expanding, second cylinder 51 is mobile with X direction, to be directed into breeches pipe convenient for front-end block 54
In 7 the second nozzle 72, the overall diameter of the front-end block 54 is less than the interior diameter of the second nozzle 72 of breeches pipe 7, for this
The processing request in field, the overall diameter of the front-end block 54 is less than 1 millimeter of 72 interior diameter of the second nozzle；At this time the second cylinder 51 after
Continuous X direction is mobile, and the second nozzle 72 of breeches pipe is flared the too fast flaring of die head 53 and leads to breeches pipe in order to prevent
The destruction of 7 material itself, i.e. the second nozzle 722 are squeezed bad or squeeze deformation, need to be equipped with one section in flaring die head 53 and expand for transition
The transition block 55 of 72 internal diameter of the second nozzle is opened, as shown in fig. 7, the section of the transition block 55 is in the cylindrical body of truncated conical shape, institute
The diameter for stating transition block 55 is gradually expanded, in other words, the small one end of 55 diameter of transition block, overall diameter and the front-end block
54 overall diameters are equal, and one end that 55 diameter of transition block is big, and overall diameter is equal with the interior diameter of the second nozzle 72 of processing, i.e.,
The interior diameter of second nozzle 72 of breeches pipe 7 is equal, and this design is also easy for hereafter illustrating pass in this specification
There is structure in the back-end block 56 of flaring die head 53, to clearly demonstrate, first transition block 55 is illustrated, such as Fig. 7 and Fig. 9 institute
Show, when transition block 55 enters the second nozzle 72 of breeches pipe 7, the small side of 55 diameter of block of crossing is introduced into second
Nozzle 72, the second nozzle 72 at this time are expanded by small range, as flaring die head 53 continues X direction movement, the transition block 55
The big one end of diameter it is fully effective enter the second nozzle 72 in, when a little, be flared die head 53 back-end block 56 the second cylinder 51 after
Under continuous X direction is mobile, it can smoothly enter into the second nozzle 72, in other words, wanted to make the interior diameter of the second nozzle 72 reach processing
It asks, in conjunction with processing technology, the overall diameter of the big one end of 55 diameter of transition block is equal with 56 overall diameter of back-end block, such to set
The second nozzle 72 that meter is effectively guaranteed breeches pipe 7 will not cause to destroy since expansionary force is too big.
As shown in Figure 1 and Figure 5, the necking mechanism 6 includes filling for reducing the necking pipe of the first nozzle of Y-shaped three-way pipe 71
The motors 61 set 62 and necking pipe device 62 is driven to rotate, the necking pipe device 62 include reducing die 623 and by reducing die 623
The middle interconnecting piece 622 being connect with motor output shaft 611, wherein the section of the reducing die 623 be it is horn-like, work as necking machine
When structure 6 works, the first nozzle 71 of breeches pipe 7 is entered in reducing die 623, and the first nozzle 71 is along horn-like necking
Mould 623 continues deeper into, and in the case where motor 61 drives 623 high speed rotation of reducing die, first nozzle 71 is by reducing die 623
It rubs and generates high temperature, moment softens first nozzle 71 at high temperature, and the outer wall of first nozzle 71 is along horn-like
Reducing die 623 shrink, last first nozzle 71 realizes necking processing, reaches processing request.
As shown in Figure 1 to Figure 3, for the utility model, by the requirement of processing, the first pipe of the breeches pipe 7
Mouth 71 and the second nozzle 72 respectively correspond the processing for needing to carry out necking, flaring, as shown in fig. 7, first nozzle 71 is equipped with
Two, second nozzle 72 is equipped with one；Therefore, Liang Tao necking mechanism 6 and a set of pipe-expanding machine are set simultaneously in the present embodiment
Structure 5 processes workpiece convenient for dislocation, saves inconvenience brought by secondary operation.In addition, can be according to actual production need
It asks, customization has horn-like reducing die 623 of different sizes, to produce the workpiece of different shape, different size necking.
In order to increase the degree of automation of equipment, there are many equipment using resonance arrangement workpiece in the prior art, preferably
Ground, the straight line feeder 23 are connected with the dressing mechanism 21 for arranging arrangement breeches pipe 7, and the dressing mechanism 21 wraps
Disk hopper 22 is included, the top of the disk hopper 22 is equipped with the helical orbit 211 for the breeches pipe 7 that sorts one by one, described
Helical orbit 211 is connected with straight line feeder 23.(do not show in figure as shown in figure 8, being provided with chassis case below disk hopper 22
Out), the spring leaf 213 for impulse mgnet 212 being provided in the chassis case and being obliquely installed, 213 one end of spring leaf and circle
The contact of 22 bottom of biscuit bucket, the other end are contacted with the fixation of the bottom of chassis case 212, and the impulse mgnet 212 can make disk
Hopper 21 makees the vibration of vertical direction, drives disk hopper 22 to rock vibration around its vertical axis by spring leaf 213, to make to throw
Enter rambling 7 auto-sequencing of breeches pipe in disk hopper 22, and along 211 spiral of helical orbit upwards until disk material
The discharge port of bucket 22 enters in straight line feeder 23, and breeches pipe 7 is pushed on die cavity 33 by straight line feeder 23, die cavity 33
Block the processing that breeches pipe 7 waits next step.
In conjunction with Fig. 1 to Fig. 9, the working principle of the utility model is: breeches pipe 7 to be processed is placed on collator
In disk hopper 22 in structure 21, starting device power supply, after breeches pipe 7 passes through the vibrating ordering of dressing mechanism 21, by straight line
Feed appliance 23 is pushed on the die cavity 33 of rotating mechanism 3, and swivel base 31 makees primary pause, second die cavity 33 after rotating 45 degree
Also according to above-mentioned principle receiver to another breeches pipe 7, and so on to the 8th lower mode cavity 33, realize self-feeding, directly
Line feed appliance 23 compresses the breeches pipe 7 being placed on die cavity 33.Make after subsequent 45 degree of 31 secondary rotating of swivel base secondary
It pauses, the breeches pipe 7 of first die cavity 33 deasil rotates through 90 degree at this time, the second mould with upper clamping mold 4
Chamber 43 is aligned, and second die cavity 43 moves straight down under the promotion of the first cylinder 41, after breeches pipe 7 is clamped,
72 X direction of the second nozzle of the rotation of flaring die head 53 and past breeches pipe 7 in flaring mechanism 5 is mobile, completes flaring technique
Flaring die head 53 returns to initial position under the drive of the first cylinder 41 afterwards, waits the processing of next breeches pipe 7；It is complete
After flaring, the rotation of motor 61 of the necking mechanism 6 is to drive reducing die 623 to rotate, the reducing die of the first necking mechanism 6
623 are pushed to by hydraulic device up at the first nozzle 71 of breeches pipe 7, and further, reducing die 623 is gradually inserted in
To the outer wall of the first nozzle, after reaching required necking size, reducing die 623 is withdrawn into original position by hydraulic device
It sets, necking next time is waited to process.At the same time, rotating mechanism 3 continues to rotate and pause, and so on, the second necking machine
Structure 6 also carries out necking down process by above-mentioned necking process principle, another first nozzle 71 of breeches pipe 7 is processed equivalent
In the necking down process of first the first nozzle 71.One is thus capable of processing out to be not only flared but also the breeches pipe 7 of necking, with
Actual pipe fitting application is adapted to, the processing of breeches pipe 7 backward is also to carry out according to the above process, is not repeated to retouch herein
It states.
Embodiments shown above is only that the preferred embodiment of the utility model patent is described, not to this
The conception and scope of utility model patent is defined.Under the premise of not departing from the utility model patent design concept, ability
The all variations and modifications that domain ordinary person makes the technical solution of the utility model patent should all drop into the utility model
The protection scope of patent, technical content requested for protection of the utility model are all described in the claims.
Claims (5)
1. a kind of equipment for processing breeches pipe, the workbench (1) including being equipped with bracket (11), it is characterised in that: the bracket
(11) it is equipped with the upper clamping device (4) for clamping breeches pipe, the lower section of the upper clamping device (4) is equipped with for fixed
The rotating mechanism (3) of position breeches pipe (7), the front side of the rotating mechanism (3) is equipped with manages for expanding Y-shaped three-way pipe second
Flaring mechanism (5), the rear side of mouth (72) are equipped with the necking mechanism (6) for reducing the first nozzle of Y-shaped three-way pipe (71), the work
Make to be additionally provided with the feeding mechanism (2) for moving breeches pipe (7) on platform (1), the feeding mechanism (2) includes linear feeding
Breeches pipe (7) is transported on rotating mechanism (3) by device (23), straight line feeder (23)；
The rotating mechanism (3) includes swivel base (31), and the swivel base (31) is connected with rotary shaft (32), the rotation
Several are equipped on the circumference on chassis (31) etc. for fixing the die cavity (33) of breeches pipe (7)；
The upper clamping device (4) includes being equipped with the Die and mould plate (42) of second die cavity (43) of equivalent die cavity (33) and for pushing
Die and mould plate (42) overlays the first cylinder (41) of rotating mechanism (3), and first cylinder (41) is arranged on bracket (11)；
The flaring mechanism (5) includes flaring die head (53) for expanding the second nozzle of Y-shaped three-way pipe (72) and will flaring
Mobile the second cylinder (51) of die head (53) X direction；
The necking mechanism (6) includes the necking pipe device (62) and drive contracting for reducing the first nozzle of Y-shaped three-way pipe (71)
The motor (61) that mouthful pipe device (62) rotates, the necking pipe device (62) include reducing die (623) and by reducing die (623) with
The middle interconnecting piece (622) of motor output shaft (611) connection.
2. the equipment of processing breeches pipe according to claim 1, it is characterised in that: the flaring die head (53) is to cut
In stepped cylindrical body, flaring die head (53) includes the front-end block into the second nozzle of Y-shaped three-way pipe (72) internal diameter in face
(54), the transition block (55) of the second nozzle of Y-shaped three-way pipe (72) internal diameter is gradually expanded and for expanding the second nozzle of Y-shaped three-way pipe
(72) back-end block (56) of internal diameter.
3. the equipment of processing breeches pipe according to claim 1, it is characterised in that: the section of the reducing die (623)
It is horn-like.
4. the equipment of processing breeches pipe according to claim 1, it is characterised in that: the quantity of the die cavity (33) is
Eight.
5. according to claim 1 to the equipment for processing breeches pipe described in any one of 4 claims, it is characterised in that: described
Straight line feeder (23) is connected with the dressing mechanism (21) for arranging arrangement breeches pipe (7), dressing mechanism (21) packet
It includes disk hopper (22), the top of the disk hopper (22) is equipped with the helical orbit for sequence breeches pipe (7) one by one
(211), the helical orbit (211) is connected with straight line feeder (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820798391.XU CN208483123U (en) | 2018-05-28 | 2018-05-28 | A kind of equipment for processing breeches pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820798391.XU CN208483123U (en) | 2018-05-28 | 2018-05-28 | A kind of equipment for processing breeches pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208483123U true CN208483123U (en) | 2019-02-12 |
Family
ID=65250444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820798391.XU Expired - Fee Related CN208483123U (en) | 2018-05-28 | 2018-05-28 | A kind of equipment for processing breeches pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208483123U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976675A (en) * | 2019-11-28 | 2020-04-10 | 浙江宏泽自动化设备有限公司 | Y-shaped three-way pipe end forming machine |
| CN111545615A (en) * | 2020-06-05 | 2020-08-18 | 邢台职业技术学院 | Full-automatic thin-wall stainless steel pipe opening rolling machine |
| CN111570645A (en) * | 2020-05-26 | 2020-08-25 | 成都佰缇丽贸易有限公司 | Three-way necking machine |
| CN111618192A (en) * | 2020-06-19 | 2020-09-04 | 苏州创易智能科技有限公司 | Pipe end machine and pipe fitting machining method |
| CN112264543A (en) * | 2020-09-30 | 2021-01-26 | 浙江金洲管道科技股份有限公司 | Turntable forming equipment and method for thin-wall stainless steel pipe straight pipe joint |
| CN112264544A (en) * | 2020-09-30 | 2021-01-26 | 浙江金洲管道科技股份有限公司 | Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint |
| CN113510165A (en) * | 2021-08-05 | 2021-10-19 | 保隆(安徽)汽车配件有限公司 | Round pipe rounding die |
-
2018
- 2018-05-28 CN CN201820798391.XU patent/CN208483123U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976675A (en) * | 2019-11-28 | 2020-04-10 | 浙江宏泽自动化设备有限公司 | Y-shaped three-way pipe end forming machine |
| CN111570645A (en) * | 2020-05-26 | 2020-08-25 | 成都佰缇丽贸易有限公司 | Three-way necking machine |
| CN111545615A (en) * | 2020-06-05 | 2020-08-18 | 邢台职业技术学院 | Full-automatic thin-wall stainless steel pipe opening rolling machine |
| CN111618192A (en) * | 2020-06-19 | 2020-09-04 | 苏州创易智能科技有限公司 | Pipe end machine and pipe fitting machining method |
| CN112264543A (en) * | 2020-09-30 | 2021-01-26 | 浙江金洲管道科技股份有限公司 | Turntable forming equipment and method for thin-wall stainless steel pipe straight pipe joint |
| CN112264544A (en) * | 2020-09-30 | 2021-01-26 | 浙江金洲管道科技股份有限公司 | Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint |
| CN113510165A (en) * | 2021-08-05 | 2021-10-19 | 保隆(安徽)汽车配件有限公司 | Round pipe rounding die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |