CN113561441A - Multi-station extrusion plastic bar production line - Google Patents
Multi-station extrusion plastic bar production line Download PDFInfo
- Publication number
- CN113561441A CN113561441A CN202110844595.9A CN202110844595A CN113561441A CN 113561441 A CN113561441 A CN 113561441A CN 202110844595 A CN202110844595 A CN 202110844595A CN 113561441 A CN113561441 A CN 113561441A
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- Prior art keywords
- plate
- rod
- plastic bar
- clamping plate
- processing table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a multi-station extrusion plastic bar production line, which belongs to the technical field of plastic bar production and processing, and comprises a processing table, a first driving part, a dissociation component, a supporting part, a reset component, a shaping component and an occlusion part, wherein the supporting part is slidably arranged on one side of the processing table, the shaping component is arranged on one side of the supporting part, which is far away from the processing table, and is used for shaping and straightening a plastic bar, the first driving part and the dissociation component are arranged on one side of the processing table, the occlusion part is arranged on one side of the supporting part, the first driving part is connected with the occlusion part and is used for driving the supporting part to reversely move along the moving direction of the plastic bar, and after the supporting part moves to a preset position, the dissociation component can drive the occlusion part to be separated from the first driving part. Compared with the prior art, the plastic bar straightening device and the straightening method can realize the shaping and straightening of the plastic bars and have the advantage of good straightening effect.
Description
Technical Field
The invention belongs to the technical field of plastic bar production and processing, and particularly relates to a multi-station plastic bar extrusion production line.
Background
At present, in the production and processing process of plastic bars, plastic raw materials need to be shaped after being melted and extruded so as to ensure the straightness of the plastic bars.
In the prior art, most of the shaping treatment of the plastic bars is realized by driving the plastic bars to pass through a shaping mechanism and move by using extrusion pressure, and the shaping straightening treatment of the plastic bars is realized by using the shaping mechanism.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide a multi-station extrusion plastic bar production line.
In order to solve the technical problems, the invention provides the following technical scheme:
a multi-station extrusion plastic bar production line, which comprises a processing table, a first driving part, a dissociation component, a supporting part, a reset component, a shaping component and an occlusion part,
the supporting part is arranged on one side of the processing table in a sliding manner, the shaping assembly is arranged on one side of the supporting part far away from the processing table and is used for shaping and straightening the plastic bars,
first drive division and the subassembly that dissociates all sets up processing platform one side, interlock portion sets up supporting part one side, first drive division with interlock portion links to each other for drive the supporting part is along plastic rod moving direction reverse movement after the supporting part removes to predetermined position, the subassembly that dissociates can drive interlock portion with the separation of first drive division, the subassembly that resets can drive supporting part reverse movement.
As a further improvement of the invention: the supporting part comprises a supporting plate which is connected with the processing table in a sliding way through a sliding component,
the first driving part comprises a motor and a screw rod connected with the output end of the motor, the motor is fixedly arranged on one side of the processing table,
the occluding part comprises an occluding plate and a frame, the screw rod penetrates through the supporting plate, the occluding plate is embedded at one side of the supporting plate, threads matched with the screw rod are arranged at one side of the occluding plate, the frame is fixedly arranged at one side of the occluding plate,
the dissociation subassembly includes the body of rod, body of rod one end is provided with the inclined plane.
As a further improvement of the invention: the sliding component comprises a guide rail and a sliding block,
the guide rail is fixedly arranged on one side of the processing table, the sliding block is fixedly arranged on one side of the supporting plate, and the sliding block is in sliding fit with the guide rail.
As a further improvement of the invention: processing platform one side is fixed to be provided with two sets of supports, the lead screw runs through two sets of the support and with two sets of support normal running fit, the body of rod is fixed to be set up wherein one set of support one side, reset assembly one end with one set of wherein the support links to each other, the other end with the backup pad links to each other.
As a still further improvement of the invention: the support is further fixedly arranged on one side of the supporting plate, a sliding rod is fixedly arranged on the side wall of the frame, a sliding groove is formed in one side of the support, the sliding rod extends into the sliding groove and is in sliding fit with the sliding groove, and the frame is connected with the support through an elastic piece.
As a still further improvement of the invention: the shaping assembly comprises a first clamping plate and a second clamping plate which are oppositely arranged,
the shaping breach of a plurality of one-to-one correspondence is all seted up to first splint and the relative one side of second splint, and corresponding two sets of the closed passageway that can supply the plastic rod to pass that forms of shaping breach.
As a still further improvement of the invention: the second splint with link to each other through the second drive division between the backup pad, link to each other through transmission portion between second splint and the first splint, the second drive division is used for driving the second splint to first splint direction removal, accessible when the second splint remove transmission portion drives the second splint and removes to first splint direction.
As a still further improvement of the invention: the end parts of the first clamping plate and the second clamping plate are fixedly provided with end plates, one side of each end plate is fixedly provided with a column casing,
the transmission part comprises a transmission shaft rod, two groups of thread sections with opposite rotation directions are arranged on the transmission shaft rod, one end of the transmission shaft rod is rotatably connected with the supporting plate, the transmission shaft tube vertically penetrates through the two groups of column cylinders, and the two groups of column cylinders are respectively in thread fit with the two groups of thread sections.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the plastic bar extruded by the die head can pass through the sizing component and move compared with the sizing component, the sizing component can perform sizing and straightening treatment on the plastic bar, the meshing part and the supporting part can be driven to synchronously move along one side of the processing table through the interaction between the first driving part and the meshing part, so that the sizing component is driven to synchronously move, and the sizing component can reversely move along the moving direction of the plastic bar when moving, so that the sizing and straightening effects of the sizing component on the plastic bar can be improved; after the design subassembly moves to a certain position, the subassembly that dissociates drives interlock portion and the separation of first drive division for the connection effect between first drive division and the interlock portion is relieved, and the subassembly that resets can drive the design subassembly and carry out reverse movement, in order to realize the reseing of design subassembly, compares in prior art, can realize the design alignment of plastic rod, and has alignment effectual and alignment efficient advantage.
Drawings
FIG. 1 is a schematic view of a multi-station plastic bar extrusion line;
FIG. 2 is a schematic view of a sizing assembly in a multi-station plastic bar extrusion line;
FIG. 3 is an enlarged view of area A of FIG. 1;
in the figure: 1-processing table, 2-first driving part, 21-screw rod, 22-dissociation assembly, 23-support, 24 motor, 3-support part, 31-guide rail, 32-slide block, 33-support plate, 4-reset assembly, 5-second driving part, 6-transmission part, 7-shaping assembly, 71-first clamping plate, 72-end plate, 73-column barrel, 74-shaping notch, 75-second clamping plate, 8-occlusion part, 81-support, 82-elastic part, 83-sliding chute, 84-frame and 85-bite plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1, the embodiment provides a multi-station plastic bar extrusion production line, which includes a processing table 1, a first driving portion 2, a dissociation assembly 22, a supporting portion 3, a reset assembly 4, a shaping assembly 7 and an engagement portion 8, wherein the supporting portion 3 is slidably mounted on one side of the processing table 1, the shaping assembly 7 is disposed on one side of the supporting portion 3 away from the processing table 1 and is used for shaping and straightening plastic bars, the first driving portion 2 and the dissociation assembly 22 are both disposed on one side of the processing table 1, the engagement portion 8 is disposed on one side of the supporting portion 3, the first driving portion 2 is connected to the engagement portion 8 and is used for driving the supporting portion 3 to move reversely along a plastic bar moving direction, after the supporting portion 3 moves to a predetermined position, the dissociation assembly 22 can drive the engagement portion 8 to separate from the first driving portion 2, the reset component 4 can drive the supporting part 3 to move reversely.
The plastic bar extruded by the die head can pass through the sizing component 7 and move compared with the sizing component 7, the sizing component 7 can perform sizing and straightening treatment on the plastic bar, the meshing part 8 and the supporting part 3 can be driven to synchronously move along one side of the processing table 1 through the interaction between the first driving part 2 and the meshing part 8, the sizing component 7 is further driven to synchronously move, and the sizing component 7 can reversely move along the moving direction of the plastic bar when moving, so that the sizing and straightening effect of the sizing component 7 on the plastic bar can be improved; after the shaping assembly 7 moves to a certain position, the dissociation assembly 22 drives the engagement portion 8 to separate from the first driving portion 2, so that the connection between the first driving portion 2 and the engagement portion 8 is released, and the reset assembly 4 can drive the shaping assembly 7 to move reversely, so as to reset the shaping assembly 7.
Referring to fig. 1, in an embodiment, the supporting portion 3 includes a supporting plate 33, the supporting plate 33 is slidably connected to the processing table 1 through a sliding assembly, the first driving portion 2 includes a motor 24 and a screw rod 21 connected to an output end of the motor 24, the motor 24 is fixedly disposed at one side of the processing table 1, the engaging portion 8 includes a bite plate 85 and a frame 84, the screw rod 21 penetrates through the supporting plate 33, the bite plate 85 is embedded at one side of the supporting plate 33, a thread matched with the screw rod 21 is disposed at one side of the bite plate 85, the frame 84 is fixedly disposed at one side of the bite plate 85, the dissociation assembly 22 includes a rod body, and an inclined surface is disposed at one end of the rod body.
In another embodiment, the supporting portion 3 may further include a sliding seat, the sliding seat is connected to the processing table 1 through a sliding assembly, the first driving portion 2 may further include an air cylinder and a piston rod connected to an output end of the air cylinder, the air cylinder is fixedly disposed on one side of the processing table 1, the engaging portion 8 may further include a fixture block fixedly disposed on one side of the sliding seat, a slot for inserting the fixture block is disposed on the piston rod, and the detaching assembly 22 includes a first magnet fixedly disposed on one end of the fixture block and a second magnet fixedly disposed on one side of the processing table 1.
The piston rod is driven to move through the cylinder, the piston rod is driven to move through the matching of the clamping block and the clamping groove, the sliding seat is further driven to move along one side of the processing table, the shaping assembly 7 is driven to move, the shaping assembly 7 is used for shaping and straightening the plastic bars, when the sliding seat moves to a certain position, the first magnet moves to one side of the second magnet, the attraction effect between the first magnet and the second magnet is utilized, the clamping block is driven to be removed from the inside of the clamping groove, the sliding seat can be driven to move in the reverse direction under the effect of the reset assembly at the moment, the reverse movement of the shaping assembly 7 is driven, and the reset of the shaping assembly is realized.
Referring to fig. 1, in an embodiment, the slide assembly includes a guide rail 31 and a slide block 32, the guide rail 31 is fixedly disposed on one side of the processing table 1, when the supporting portion 3 includes a supporting plate 33, the slide block 32 is fixedly disposed on one side of the supporting plate 33, when the supporting portion 3 includes a sliding seat, the slide block 32 is fixedly disposed on one side of the sliding seat, and the slide block 32 is in sliding fit with the guide rail 31.
In another embodiment, the sliding assembly may further include a guide polished rod fixedly disposed at one side of the processing table 1, and a sliding sleeve movably sleeved on the guide polished rod, wherein when the supporting portion 3 includes the supporting plate 33, the sliding sleeve is fixedly disposed at one side of the supporting plate 33, and when the supporting portion 3 includes a sliding seat, the sliding sleeve is fixedly disposed at one side of the sliding seat.
Referring to fig. 1, in an embodiment, two sets of supports 23 are fixedly disposed on one side of the processing table 1, the screw 21 penetrates through the two sets of supports 23 and is rotatably engaged with the two sets of supports 23, the rod is fixedly disposed on one side of one set of the supports 23, one end of the reset assembly 4 is connected to one set of the supports 23, and the other end is connected to the supporting plate 33.
In the above embodiment, the reset component 4 may be a spring, and certainly, may also be a metal elastic sheet, which is not limited herein.
Referring to fig. 3, in an embodiment, a support 81 is further fixedly disposed on one side of the support plate 33, a sliding rod is fixedly disposed on a side wall of the frame 84, a sliding groove 83 is formed on one side of the support 81, the sliding rod extends into the sliding groove 83 and is in sliding fit with the sliding groove 83, and the frame 84 is further connected to the support 81 through an elastic member 82.
When the rod body acts on the frame 84 to move the frame 84 and the engagement plate 85, the sliding rod slides along the inside of the sliding slot 83, the elastic member 82 is compressed, when the support plate 33 drives the engaging plate 85 and the frame 84 to move in opposite directions, the elastic member 82 drives the frame 84 and the engaging plate 85 to move in opposite directions, the supporting force of the elastic member 82 is overcome by the damping action between the slide bar and the slide groove 83, so as to prevent the frame 84 and the engaging plate 85 from moving in opposite directions at too high speed, ensure the support plate 33 to move to the initial position smoothly, realize the smooth reset of the support plate 33, after the support plate 33 is moved to the initial position, the engagement plate 85 can be engaged with the screw rod 21 again, in the subsequent rotation process of the screw rod 21, the support plate 33 and the shaping assembly 7 are driven to move reversely along the plastic bar again, so as to continue to perform shaping and straightening treatment on the subsequent bar body of the plastic bar.
In the above embodiment, the elastic element 82 may be a spring, and certainly, may also be a metal elastic sheet, which is not limited herein.
Referring to fig. 2, in an embodiment, the shaping assembly 7 includes a first clamping plate 71 and a second clamping plate 75 which are oppositely disposed, a plurality of shaping notches 74 corresponding to each other are respectively formed on opposite sides of the first clamping plate 71 and the second clamping plate 75, and two corresponding sets of the shaping notches 74 are closed to form a channel through which the plastic rod passes.
Referring to fig. 2, in an embodiment, the second clamping plate 75 is connected to the supporting plate 33 through a second driving portion 5, the second clamping plate 75 is connected to the first clamping plate 71 through a transmission portion 6, the second driving portion 5 is configured to drive the second clamping plate 75 to move toward the first clamping plate 71, and the second clamping plate 75 can drive the second clamping plate 71 to move toward the first clamping plate 75 through the transmission portion 6 while moving, so that the shaping notch 74 is closed through the relative movement between the second clamping plate 75 and the first clamping plate 71, so as to clamp and shape the plastic rod.
In one embodiment, the second driving portion 5 is an air cylinder or a linear motor, the end portions of the first clamping plate 71 and the second clamping plate 75 are both fixedly provided with an end plate 72, one side of the end plate 72 is fixedly provided with a cylindrical barrel 73, the driving portion 6 includes a driving shaft rod, the driving shaft rod is provided with two sets of threaded sections with opposite rotation directions, one end of the driving shaft rod is rotatably connected with the supporting plate 33, the driving shaft rod vertically penetrates through the two sets of cylindrical barrels 73, and the two sets of cylindrical barrels 73 are respectively in threaded fit with the two sets of threaded sections, when the second driving portion 5 drives the second clamping plate 75 to move, the second clamping plate 75 can drive the corresponding cylindrical barrel 73 to move, when the cylindrical barrel 73 moves, the driving shaft rod is driven to rotate by being in threaded fit with the driving shaft rod, and when the driving shaft rod rotates, the driving shaft rod drives the first clamping plate 71 to move by being in threaded fit with the other set of cylindrical barrels 73, because the rotation directions of the two sets of threaded sections are opposite, so that the first clamping plate 71 and the second clamping plate 75 move close to each other to clamp and shape the plastic bar.
In another embodiment, the transmission portion 6 may further include a first rack fixedly disposed on one side of the second clamping plate 75 and a second rack fixedly disposed on one side of the first clamping plate 71, the one side of the supporting plate 33 is further rotatably disposed with a transmission gear, the first rack and the second rack are respectively engaged with each other and disposed on two sides of the transmission gear, when the second clamping plate 75 moves, the first rack may be driven to move, and the first clamping plate 71 may be driven to move towards the second clamping plate 75 by using the engagement among the first rack, the transmission gear and the second rack, so that the first clamping plate 71 and the second clamping plate 75 move close to each other to clamp and shape the plastic rod.
In the embodiment of the invention, the plastic bar extruded by the die head can pass through the sizing component 7 and move compared with the sizing component 7, the sizing component 7 can perform sizing and straightening treatment on the plastic bar, the meshing part 8 and the supporting part 3 can be driven to synchronously move along one side of the processing table 1 through the interaction between the first driving part 2 and the meshing part 8, so that the sizing component 7 is driven to synchronously move, and the sizing component 7 can reversely move along the moving direction of the plastic bar when moving, so that the sizing and straightening effects of the sizing component 7 on the plastic bar can be improved; after the sizing component 7 moves to a certain position, the dissociation component 22 drives the occlusion part 8 to separate from the first driving part 2, so that the connection between the first driving part 2 and the occlusion part 8 is released, and the reset component 4 can drive the sizing component 7 to move reversely, so as to reset the sizing component 7.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A multi-station plastic bar extrusion production line is characterized by comprising a processing table, a first driving part, a dissociation component, a supporting part, a reset component, a shaping component and an occlusion part,
the supporting part is arranged on one side of the processing table in a sliding manner, the shaping assembly is arranged on one side of the supporting part far away from the processing table and is used for shaping and straightening the plastic bars,
first drive division and the subassembly that dissociates all sets up processing platform one side, interlock portion sets up supporting part one side, first drive division with interlock portion links to each other for drive the supporting part is along plastic rod moving direction reverse movement after the supporting part removes to predetermined position, the subassembly that dissociates can drive interlock portion with the separation of first drive division, the subassembly that resets can drive supporting part reverse movement.
2. A multi-station extruded plastic bar production line according to claim 1, wherein said support comprises a support plate slidingly associated with said processing table by means of a sliding assembly,
the first driving part comprises a motor and a screw rod connected with the output end of the motor, the motor is fixedly arranged on one side of the processing table,
the occluding part comprises an occluding plate and a frame, the screw rod penetrates through the supporting plate, the occluding plate is embedded at one side of the supporting plate, threads matched with the screw rod are arranged at one side of the occluding plate, the frame is fixedly arranged at one side of the occluding plate,
the dissociation subassembly includes the body of rod, body of rod one end is provided with the inclined plane.
3. A multi-station plastic bar extrusion line as set forth in claim 2, wherein said slide assembly guide rails and slides,
the guide rail is fixedly arranged on one side of the processing table, the sliding block is fixedly arranged on one side of the supporting plate, and the sliding block is in sliding fit with the guide rail.
4. A multi-station plastic bar extruding production line according to claim 2, wherein two sets of supports are fixedly arranged on one side of the processing table, the screw rod penetrates through the two sets of supports and is in running fit with the two sets of supports, the rod body is fixedly arranged on one side of one set of supports, one end of the reset assembly is connected with one set of supports, and the other end of the reset assembly is connected with the supporting plate.
5. The production line of a multi-station extruded plastic bar according to claim 2, wherein a support is further fixedly arranged on one side of the support plate, a sliding rod is fixedly arranged on the side wall of the frame, a sliding groove is formed in one side of the support, the sliding rod extends into the sliding groove and is in sliding fit with the sliding groove, and the frame is connected with the support through an elastic piece.
6. A multi-station extruded plastic bar production line according to any one of claims 1 to 5, wherein said sizing assembly comprises a first clamping plate and a second clamping plate arranged oppositely,
the shaping breach of a plurality of one-to-one correspondence is all seted up to first splint and the relative one side of second splint, and corresponding two sets of the closed passageway that can supply the plastic rod to pass that forms of shaping breach.
7. A multi-station plastic bar extrusion production line as claimed in claim 6, wherein the second clamping plate is connected with the supporting plate through a second driving portion, the second clamping plate is connected with the first clamping plate through a transmission portion, the second driving portion is used for driving the second clamping plate to move towards the first clamping plate, and the transmission portion can drive the second clamping plate to move towards the first clamping plate while the second clamping plate moves.
8. A multi-station plastic bar extrusion production line as claimed in claim 7, wherein the end portions of the first and second clamping plates are fixedly provided with end plates, one side of each end plate is fixedly provided with a column casing,
the transmission part comprises a transmission shaft rod, two groups of thread sections with opposite rotation directions are arranged on the transmission shaft rod, one end of the transmission shaft rod is rotatably connected with the supporting plate, the transmission shaft tube vertically penetrates through the two groups of column cylinders, and the two groups of column cylinders are respectively in thread fit with the two groups of thread sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110844595.9A CN113561441B (en) | 2021-07-26 | 2021-07-26 | Multi-station extrusion plastic bar production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110844595.9A CN113561441B (en) | 2021-07-26 | 2021-07-26 | Multi-station extrusion plastic bar production line |
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| CN113561441A true CN113561441A (en) | 2021-10-29 |
| CN113561441B CN113561441B (en) | 2023-05-05 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012240367A (en) * | 2011-05-23 | 2012-12-10 | Mitsubishi Electric Corp | Extrusion molding device |
| CN210023320U (en) * | 2019-02-27 | 2020-02-07 | 江门市翔凤不锈钢有限公司 | Pneumatic correction bending device of high quality stainless steel pipe |
| CN112246919A (en) * | 2020-10-14 | 2021-01-22 | 毛秀花 | Metal section straightening machine |
-
2021
- 2021-07-26 CN CN202110844595.9A patent/CN113561441B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012240367A (en) * | 2011-05-23 | 2012-12-10 | Mitsubishi Electric Corp | Extrusion molding device |
| CN210023320U (en) * | 2019-02-27 | 2020-02-07 | 江门市翔凤不锈钢有限公司 | Pneumatic correction bending device of high quality stainless steel pipe |
| CN112246919A (en) * | 2020-10-14 | 2021-01-22 | 毛秀花 | Metal section straightening machine |
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| CN113561441B (en) | 2023-05-05 |
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