CN113732137A - Stainless steel clamping and pressing type pipe fitting forming equipment - Google Patents
Stainless steel clamping and pressing type pipe fitting forming equipment Download PDFInfo
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- CN113732137A CN113732137A CN202111201600.0A CN202111201600A CN113732137A CN 113732137 A CN113732137 A CN 113732137A CN 202111201600 A CN202111201600 A CN 202111201600A CN 113732137 A CN113732137 A CN 113732137A
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- type pipe
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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
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses stainless steel clamping and pressing type pipe fitting forming equipment which comprises a main frame body, wherein an oil pump mechanism and a shaping mechanism are fixed on the main frame body, and the oil pump mechanism is connected with the shaping mechanism; the shaping mechanism comprises an inner shaping mold and an outer shaping mold, wherein an extrusion bulge is arranged on the side part of the inner shaping mold, an extrusion groove is arranged on the inner side of the outer shaping mold corresponding to the extrusion bulge, and the side part of the clamping and pressing type pipe fitting is extruded into an annular groove for multiple times under the matching of the extrusion bulge and the extrusion groove; the bottom of the shaping inner die is connected with a rotating mechanism, and the rotating mechanism drives the shaping inner die to rotate for a certain angle after the clamping and pressing type pipe fitting is extruded each time. According to the stainless steel clamping-pressing type pipe fitting forming equipment adopting the structure, the clamping-pressing type pipe fitting is pressed for multiple times by the shaping inner die and the shaping outer die, and the shaping inner die is rotated after each pressing, so that the purpose of shaping the clamping-pressing type pipe fitting is achieved, and the yield is improved.
Description
Technical Field
The invention relates to the technical field of manufacturing of clamping and pressing type pipe fittings, in particular to stainless steel clamping and pressing type pipe fitting forming equipment.
Background
The clamping and pressing type pipe fitting is a connecting piece which is used for connecting a pipeline by using a bell mouth pipe fitting with a special sealing ring and has the functions of sealing and fixing by pressing a pipe orifice by using a special tool, and the clamping and pressing type pipe fitting is divided into a D type and an S type according to the clamping and pressing connection mode of an end part. The anti-pulling anti-rotation anti-vibration device has the characteristics of pulling resistance, rotation resistance, simplicity and convenience in installation, small required operation space, shock resistance, maintenance-free performance after installation and the like.
The important step of the forming of the clamping and pressing type pipe fitting is to press an annular groove at the end of the pipe fitting, the annular groove is used for installing a sealing rubber ring, the existing annular groove forming mode is to cap the end of the clamping and pressing type pipe fitting at the side part of a cylindrical inner die, then the cylindrical inner die is driven to expand, so as to press the inner wall of the clamping and pressing type pipe fitting, and then the annular groove is pressed.
Disclosure of Invention
The invention aims to provide a clamping and pressing type pipe fitting forming device with high yield.
In order to achieve the purpose, the invention provides stainless steel clamping and pressing type pipe fitting forming equipment which comprises a main frame body, wherein an oil pump mechanism and a shaping mechanism are fixed on the main frame body, and the oil pump mechanism is connected with the shaping mechanism so as to provide power for the operation of the shaping mechanism; the shaping mechanism comprises an inner shaping mold and an outer shaping mold, wherein an extrusion bulge is arranged on the side part of the inner shaping mold, an extrusion groove is arranged on the inner side of the outer shaping mold corresponding to the extrusion bulge, and the side part of the clamping and pressing type pipe fitting is extruded into an annular groove for multiple times under the matching of the extrusion bulge and the extrusion groove; the bottom of the shaping internal mold is connected with a rotating mechanism, and the rotating mechanism drives the shaping internal mold to rotate for a certain angle after the clamping and pressing type pipe fitting is extruded each time so as to ensure that the clamping and pressing type pipe fitting is extruded uniformly.
Preferably, the design centre form includes a plurality of interior modules, the design external mold includes a plurality of outer modules, interior module with all be provided with the spring between the outer module to realize respective playback by oneself, the outside of joint to the card pressure formula pipe fitting is gathered together to outer module inwards, the inboard of card pressure formula pipe fitting is dispersed to the outside radialization of interior module to the realization is to the suppression of card pressure formula pipe fitting.
Preferably, the shaping mechanism comprises a shell arranged at the top of the main frame body, a rotating cylinder is rotationally connected in the shell, a polygonal pyramid vertically slides in the rotating cylinder, and the bottom of the polygonal pyramid is connected with a pushing oil cylinder to realize self lifting; the top of the shell is provided with the inner module, the inner surface of the inner module is parallel to and mutually contacted with the inclined plane of the polygonal pyramid, so that the polygonal pyramid is driven to diffuse while ascending; the outer module set up in the interior module outside, and the top has been buckled the clamping ring, the clamping ring medial surface slope, the lateral surface of outer module with the medial surface of clamping ring is parallel and the mutual contact, so that the clamping ring drives when pushing down outer module gathers together each other, the clamping ring is connected with down through the bottom and draws the hydro-cylinder to realize the lift of self.
Preferably, the rotating mechanism comprises a rotating ring sleeved on the side part of the rotating cylinder, a rotating rocker arm is arranged on the side part of the rotating ring, a notch for the rotating rocker arm to swing is formed in the side part of the shell cylinder corresponding to the rotating rocker arm, one end, far away from the rotating ring, of the rotating rocker arm is connected with a rotating oil cylinder, and the rotating oil cylinder is fixed on the top of the main frame body; the top of the main frame body is further provided with a pair of travel switches, a certain interval is reserved between the two travel switches, and the end of the output shaft of the rotary oil cylinder controls the extension and retraction of the output shaft of the rotary oil cylinder by triggering different travel switches.
Preferably, the top of the shell is provided with a limiting plate, the bottom of the pressing ring is provided with a plurality of limiting rods, and the limiting rods penetrate through the limiting plate downwards.
Preferably, a rotating ring is installed below the polygonal pyramid, a reducing hole is formed in the rotating ring, the reducing hole comprises an upper hole channel and a lower hole channel, the diameter of the upper hole channel is larger than that of the lower hole channel, a rotating pin is arranged in the reducing hole, the rotating pin is divided into an upper pin body and a lower pin body, the upper pin body is located in the upper hole channel, the lower pin body is located in the lower hole channel, the diameter of the upper pin body is larger than that of the lower hole channel, and therefore the rotating pin is limited in the reducing hole; the bottom end of the rotating pin is fixed at the end head of the output shaft of the pushing oil cylinder, so that the rotating ring can move up and down along with the output shaft of the pushing oil cylinder; a sliding column is further arranged between the rotating ring and the polygonal pyramid, a sliding protrusion is arranged on the side portion of the sliding column, a sliding groove is formed in the position, corresponding to the sliding protrusion, of the inner wall of the rotating cylinder, and the sliding protrusion and the sliding groove are matched with each other to enable the sliding column and the rotating cylinder to rotate synchronously.
Therefore, according to the stainless steel clamping-pressing type pipe fitting forming equipment adopting the structure, the clamping-pressing type pipe fitting is pressed for multiple times by the shaping inner die and the shaping outer die, and the shaping inner die is rotated after each pressing, so that the purpose of shaping the clamping-pressing type pipe fitting is achieved, and the yield is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of a stainless steel clamp-press type pipe forming apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a shaping mechanism of the stainless steel clamp-press type pipe forming device of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
fig. 4 is a schematic structural diagram of a rotating mechanism of the stainless steel clamp-press type pipe forming device of the present invention.
Reference numerals
1. A main frame body; 2. an oil pump mechanism; 3. extruding the bulge; 4. extruding the groove; 5. an inner module; 6. an outer module; 7. a shell; 8. a rotary drum; 9. a polygonal pyramid; 10. a pushing oil cylinder; 11. pressing a ring; 12. pulling the oil cylinder downwards; 13. a rotating ring; 14. rotating the rocker arm; 15. a notch; 16. rotating the oil cylinder; 17. a travel switch; 18. a limiting plate; 19. a limiting rod; 20. rotating the ring; 21. an upper duct; 22. a lower duct; 23. an upper pin body; 24. a lower pin body; 25. a sliding post.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
As shown in the figures, the stainless steel clamping and pressing type pipe fitting forming equipment comprises a main frame body 1, wherein an oil pump mechanism 2 and a shaping mechanism are fixed on the main frame body 1, and the oil pump mechanism 2 is connected with the shaping mechanism to provide power for the operation of the shaping mechanism; the shaping mechanism comprises an inner shaping mold and an outer shaping mold, wherein an extrusion protrusion 3 is arranged on the side part of the inner shaping mold, an extrusion groove 4 is arranged on the inner side of the outer shaping mold corresponding to the extrusion protrusion 3, the side part of the clamping and pressing type pipe fitting is extruded into an annular groove for multiple times under the matching of the extrusion protrusion 3 and the extrusion groove 4, and if other plastic requirements on other structures of the clamping and pressing type pipe fitting exist, corresponding structures can be arranged on the inner shaping mold and the outer shaping mold; the bottom of the shaping internal mold is connected with a rotating mechanism, and the rotating mechanism drives the shaping internal mold to rotate for a certain angle after the clamping and pressing type pipe fitting is extruded each time so as to ensure that the clamping and pressing type pipe fitting is extruded uniformly.
The operation principle of this device is as follows, at first cup joints the card pressure formula pipe fitting the lateral part of design centre form, then the drive the design centre form with the design external mold is close to card pressure formula pipe fitting jointly, extrude protruding 3 with the lateral part that 4 will block pressure formula pipe fittings of extrusion recess extrudes the annular groove, and for guaranteeing that the texture is even after the extrusion of card pressure formula pipe fitting, still need the drive rotary mechanism makes it drive carry out suppression once more after the rotatory certain angle of design centre form.
In this embodiment, the design centre form with the design external mold is as follows for realizing being close to card pressure formula pipe fitting, and concrete structure, the design centre form includes a plurality of interior modules 5, the design external mold includes a plurality of outer modules 6, interior module 5 with all be provided with the spring between the outer module 6 to realize respective playback by oneself, the outside of laminating card pressure formula pipe fitting is gathered together to outer module 6 inwards, the inboard of card pressure formula pipe fitting is dispersed to interior module 5 outside to the realization is to the suppression of card pressure formula pipe fitting.
More specifically, the shaping mechanism in this embodiment has a specific structure that the shaping mechanism includes a shell 7 disposed on the top of the main frame 1, a rotating cylinder 8 is rotatably connected in the shell 7, a polygonal pyramid 9 is vertically slid in the rotating cylinder 8, and the polygonal pyramid 9 is connected to a pushing cylinder 10 at the bottom to achieve lifting of the polygonal pyramid; the top of the shell 7 is provided with the inner module 5, the inner surface of the inner module 5 is parallel to and in contact with the inclined surface of the polygonal pyramid 9, so that the polygonal pyramid 9 is lifted and the inner module 5 is driven to diffuse; outer module 6 set up in the 5 outsides of interior module, and the top has been buckled clamping ring 11, the 11 medial surfaces of clamping ring slope, outer module 6's lateral surface with the medial surface of clamping ring 11 is parallel and contact each other, so that the clamping ring 11 drives when pushing down outer module 6 gathers together each other, clamping ring 11 is connected with pull-down hydro-cylinder 12 through the bottom and realizes the lift of self. Preferably, the polygonal pyramid has 8 inclined planes, the inner shaping mold matched with the polygonal pyramid also has 8 inner modules, and the outer shaping mold has 8 outer modules.
More specifically, the rotating mechanism in this embodiment has a specific structure that the rotating mechanism includes a rotating ring 13 sleeved on a side portion of the rotating cylinder 8, a rotating rocker 14 is disposed on a side portion of the rotating ring 13, a notch 15 for the rotating rocker 14 to swing is disposed on a side portion of the shell 7 corresponding to the rotating rocker 14, one end of the rotating rocker 14 away from the rotating ring 13 is connected to a rotating cylinder 16, and the rotating cylinder 16 is fixed to the top of the main frame 1; the top of the main frame body 1 is further provided with a pair of travel switches 17, a certain interval is reserved between the two travel switches 17, and the end of the output shaft of the rotary oil cylinder 16 controls the extension and retraction of the output shaft of the rotary oil cylinder by triggering different travel switches 17.
According to the above structure, a more specific operation principle is that, firstly, the pushing cylinder 10 and the pull-down cylinder 12 are driven simultaneously, the pushing cylinder 10 drives the polygonal pyramid 9 to move upwards, the polygonal pyramid 9 pushes the inner module 5 to move outwards in a radial manner, the pull-down cylinder 12 drives the pressing ring 11 to move downwards, so as to push the outer module 6 to move inwards, the outer module 6 and the inner module 5 approach each other until contacting the side of the clamping type pipe fitting, the pressing forming is performed, then the pushing cylinder 10 and the pull-down cylinder 12 are driven simultaneously, so that the outer module 6 and the inner module 5 are far away from the clamping type pipe fitting, the rotating cylinder 16 is driven to drive the rotating rocker 14 to swing, the rotating rocker 14 drives the rotating ring 13 to rotate, the rotating ring 13 drives the shell 7 to rotate, the shell 7 drives the polygonal pyramid 9 to rotate, the polygonal pyramid 9 drives the inner module 5 to rotate, and then the action of pressing the clamping type pipe fitting by the inner module 5 and the outer module 6 is repeated, so that the inner wall of the clamping type pipe fitting is uniformly pressed, in the process, when the end head of the output shaft of the rotary oil cylinder 16 is separated from the travel switches 17, the output shaft of the rotary oil cylinder 16 is driven to extend, and when the two travel switches 17 are triggered, the output shaft of the rotary oil cylinder 16 is driven to be recovered, so that the periodic rotation of the rotary cylinder 8 is realized.
In this embodiment, in order to avoid the problem that the pressing ring 11 swings due to stress in the pressing process, the pressing ring is provided with a limiting plate 18 at the top of the shell 7, a plurality of limiting rods 19 are arranged at the bottom of the pressing ring 11, and the limiting rods 19 penetrate through the limiting plate 18 downwards.
More specifically, in this embodiment, in order to realize mutual rotational connection between the thrust cylinder 10 and the polygonal pyramid 9 and enable the polygonal pyramid 9 to rotate together with the rotary cylinder 8, a structure is provided, in which a rotary ring 20 is installed below the polygonal pyramid 9, a reducing hole is provided in the rotary ring 20, the reducing hole includes an upper hole 21 and a lower hole 22, the diameter of the upper hole 21 is greater than that of the lower hole 22, a rotary pin is provided in the reducing hole, the rotary pin is divided into an upper pin body 23 and a lower pin body 24, the upper pin body 23 is located in the upper hole 21, the lower pin body 24 is located in the lower hole 22, and the diameter of the upper pin body 23 is greater than that of the lower hole 22, so as to limit the rotary pin in the reducing hole; the bottom end of the rotating pin is fixed at the end head of the output shaft of the pushing oil cylinder 10, so that the rotating ring 20 moves up and down along with the output shaft of the pushing oil cylinder 10; a sliding column 25 is further arranged between the rotating ring 20 and the polygonal pyramid 9, a sliding protrusion is arranged on the side of the sliding column 25, a sliding groove is arranged on the inner wall of the rotating cylinder 8 corresponding to the sliding protrusion, and the sliding protrusion and the sliding groove are mutually matched to enable the sliding column 25 and the rotating cylinder 8 to rotate synchronously.
Therefore, according to the stainless steel clamping-pressing type pipe fitting forming equipment adopting the structure, the clamping-pressing type pipe fitting is pressed for multiple times by the shaping inner die and the shaping outer die, and the shaping inner die is rotated after each pressing, so that the purpose of shaping the clamping-pressing type pipe fitting is achieved, and the yield is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (6)
1. A stainless steel clamping and pressing type pipe fitting forming device is characterized by comprising a main frame body, wherein an oil pump mechanism and a shaping mechanism are fixed on the main frame body, and the oil pump mechanism is connected with the shaping mechanism to provide power for the operation of the shaping mechanism; the shaping mechanism comprises an inner shaping mold and an outer shaping mold, wherein an extrusion bulge is arranged on the side part of the inner shaping mold, an extrusion groove is arranged on the inner side of the outer shaping mold corresponding to the extrusion bulge, and the side part of the clamping and pressing type pipe fitting is extruded into an annular groove for multiple times under the matching of the extrusion bulge and the extrusion groove; the bottom of the shaping internal mold is connected with a rotating mechanism, and the rotating mechanism drives the shaping internal mold to rotate for a certain angle after the clamping and pressing type pipe fitting is extruded each time so as to ensure that the clamping and pressing type pipe fitting is extruded uniformly.
2. The stainless steel clamping and pressing type pipe fitting forming equipment according to claim 1, wherein the shaping inner die comprises a plurality of inner modules, the shaping outer die comprises a plurality of outer modules, springs are arranged between the inner modules and the outer modules to achieve self-return of the inner modules and the outer modules, the outer modules are gathered inwards to be attached to the outer side of the clamping and pressing type pipe fitting, and the inner modules are dispersed outwards to the inner side of the clamping and pressing type pipe fitting to achieve pressing of the clamping and pressing type pipe fitting.
3. The stainless steel clamping and pressing type pipe fitting forming equipment as claimed in claim 2, wherein the shaping mechanism comprises a shell barrel arranged at the top of the main frame body, a rotating barrel is rotatably connected in the shell barrel, a polygonal pyramid vertically slides in the rotating barrel, and the polygonal pyramid is lifted by connecting a pushing oil cylinder at the bottom; the top of the shell is provided with the inner module, the inner surface of the inner module is parallel to and mutually contacted with the inclined plane of the polygonal pyramid, so that the polygonal pyramid is driven to diffuse while ascending; the outer module set up in the interior module outside, and the top has been buckled the clamping ring, the clamping ring medial surface slope, the lateral surface of outer module with the medial surface of clamping ring is parallel and the mutual contact, so that the clamping ring drives when pushing down outer module gathers together each other, the clamping ring is connected with down through the bottom and draws the hydro-cylinder to realize the lift of self.
4. The stainless steel clamping and pressing type pipe fitting forming equipment according to claim 3, wherein the rotating mechanism comprises a rotating ring sleeved on the side portion of the rotating cylinder, a rotating rocker arm is arranged on the side portion of the rotating ring, a notch for the rotating rocker arm to swing is formed in the side portion of the shell cylinder corresponding to the rotating rocker arm, a rotating oil cylinder is connected to one end, away from the rotating ring, of the rotating rocker arm, and the rotating oil cylinder is fixed to the top of the main frame body; the top of the main frame body is further provided with a pair of travel switches, a certain interval is reserved between the two travel switches, and the end of the output shaft of the rotary oil cylinder controls the extension and retraction of the output shaft of the rotary oil cylinder by triggering different travel switches.
5. The stainless steel clamping and pressing type pipe fitting forming equipment according to claim 3, wherein a limiting plate is arranged at the top of the shell, a plurality of limiting rods are arranged at the bottom of the pressing ring, and the limiting rods penetrate through the limiting plate downwards.
6. The stainless steel clamping and pressing type pipe fitting forming equipment according to claim 3, wherein a rotating ring is installed below the polygonal pyramid, a reducing hole is formed in the rotating ring, the reducing hole comprises an upper hole and a lower hole, the diameter of the upper hole is larger than that of the lower hole, a rotating pin is arranged in the reducing hole, the rotating pin is divided into an upper pin body and a lower pin body, the upper pin body is located in the upper hole, the lower pin body is located in the lower hole, and the diameter of the upper pin body is larger than that of the lower hole so as to limit the rotating pin in the reducing hole; the bottom end of the rotating pin is fixed at the end head of the output shaft of the pushing oil cylinder, so that the rotating ring can move up and down along with the output shaft of the pushing oil cylinder; a sliding column is further arranged between the rotating ring and the polygonal pyramid, a sliding protrusion is arranged on the side portion of the sliding column, a sliding groove is formed in the position, corresponding to the sliding protrusion, of the inner wall of the rotating cylinder, and the sliding protrusion and the sliding groove are matched with each other to enable the sliding column and the rotating cylinder to rotate synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111201600.0A CN113732137A (en) | 2021-10-15 | 2021-10-15 | Stainless steel clamping and pressing type pipe fitting forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111201600.0A CN113732137A (en) | 2021-10-15 | 2021-10-15 | Stainless steel clamping and pressing type pipe fitting forming equipment |
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| CN113732137A true CN113732137A (en) | 2021-12-03 |
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| CN202111201600.0A Pending CN113732137A (en) | 2021-10-15 | 2021-10-15 | Stainless steel clamping and pressing type pipe fitting forming equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603014A (en) * | 2022-03-09 | 2022-06-10 | 浙江正同管业有限公司 | One-time forming device for clamping and pressing pipe fitting |
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| GB1524149A (en) * | 1975-11-24 | 1978-09-06 | Rothenberger Gmbh Co | Hand tool for expanding pipe ends |
| CN110681750A (en) * | 2019-10-12 | 2020-01-14 | 沙文曼(无锡)智能装备有限公司 | Rotary external support structure of pipe end forming machine |
| CN210816884U (en) * | 2019-09-23 | 2020-06-23 | 浙江秉鹏自动化科技有限公司 | Hump shaping device for large-diameter thin-wall cylinder |
| CN112091079A (en) * | 2020-11-23 | 2020-12-18 | 豪德博尔(山东)智能装备有限公司 | Stainless steel pipe clamping and pressing type interface machining equipment and machining method |
| CN216065029U (en) * | 2021-10-15 | 2022-03-18 | 沧州市群升不锈钢制品有限公司 | Stainless steel clamping and pressing type pipe fitting forming equipment |
-
2021
- 2021-10-15 CN CN202111201600.0A patent/CN113732137A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524149A (en) * | 1975-11-24 | 1978-09-06 | Rothenberger Gmbh Co | Hand tool for expanding pipe ends |
| CN210816884U (en) * | 2019-09-23 | 2020-06-23 | 浙江秉鹏自动化科技有限公司 | Hump shaping device for large-diameter thin-wall cylinder |
| CN110681750A (en) * | 2019-10-12 | 2020-01-14 | 沙文曼(无锡)智能装备有限公司 | Rotary external support structure of pipe end forming machine |
| CN112091079A (en) * | 2020-11-23 | 2020-12-18 | 豪德博尔(山东)智能装备有限公司 | Stainless steel pipe clamping and pressing type interface machining equipment and machining method |
| CN216065029U (en) * | 2021-10-15 | 2022-03-18 | 沧州市群升不锈钢制品有限公司 | Stainless steel clamping and pressing type pipe fitting forming equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603014A (en) * | 2022-03-09 | 2022-06-10 | 浙江正同管业有限公司 | One-time forming device for clamping and pressing pipe fitting |
| CN114603014B (en) * | 2022-03-09 | 2023-11-03 | 浙江正同管业有限公司 | One-step forming device for clamping and pressing pipe fitting |
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