CN114211741A - Steel lining tetrafluoro pipeline flanging equipment - Google Patents
Steel lining tetrafluoro pipeline flanging equipment Download PDFInfo
- Publication number
- CN114211741A CN114211741A CN202111594152.5A CN202111594152A CN114211741A CN 114211741 A CN114211741 A CN 114211741A CN 202111594152 A CN202111594152 A CN 202111594152A CN 114211741 A CN114211741 A CN 114211741A
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- CN
- China
- Prior art keywords
- steel lining
- lining tetrafluoro
- flanging
- tetrafluoro pipeline
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
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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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/002—Handling tubes, e.g. transferring between shaping stations, loading on mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses steel lining tetrafluoro pipeline flanging equipment which comprises a flanging equipment base, wherein a turntable bearing is arranged inside the flanging equipment base, a rotating seat is arranged above the turntable bearing, a pushing and lifting push rod is arranged inside the rotating seat, a steel lining tetrafluoro pipeline fixing frame is arranged above the pushing and lifting push rod, and a turning motor is arranged below the flanging equipment base; the lifting sliding groove is arranged inside the steel lining tetrafluoro pipeline fixing frame, and a lifting sliding block is arranged inside the lifting sliding groove. This steel lining tetrafluoro pipeline flanging equipment is through promoting the push rod and go up fixed steel lining tetrafluoro pipeline and carry out the lifting with steel lining tetrafluoro pipeline mount and steel lining tetrafluoro pipeline mount, then drive the roating seat through transferring the motor and rotating disc bearing and rotate, and then rotate the not turn-ups one end of steel lining tetrafluoro pipeline to spacing groove department and carry out the turn-ups operation, and then improved this steel lining tetrafluoro pipeline flanging equipment's work efficiency greatly.
Description
Technical Field
The invention relates to the technical field of steel lining tetrafluoro pipeline processing, in particular to steel lining tetrafluoro pipeline flanging equipment.
Background
The steel-lined PTFE pipe and the steel-lined PTFE pipe fittings enjoy the reputation of the plastic king, have excellent temperature resistance and corrosion resistance, are ideal conveying equipment for organic solvents such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and the like and strong corrosive media, can stably operate under the working condition of high-temperature limit negative pressure for a long time, overcome the defect that the traditional steel-lined PTFE pipe and the fittings can not resist the negative pressure, and are widely applied to a plurality of high-temperature high-negative pressure systems such as distillation and the like.
The existing flanging equipment for the steel lining tetrafluoro pipeline needs to turn over the steel lining tetrafluoro pipeline manually after one end of the steel lining tetrafluoro pipeline is flanged, so that a large amount of time and labor can be wasted, the working efficiency of the flanging equipment for the steel lining tetrafluoro pipeline is reduced, and the flanging equipment for the steel lining tetrafluoro pipeline is provided.
Disclosure of Invention
The invention aims to provide a flanging device for a steel-lined tetrafluoro pipeline, which aims to solve the problems that the existing flanging device for the steel-lined tetrafluoro pipeline needs to manually turn over the steel-lined tetrafluoro pipeline to flange the other end of the steel-lined tetrafluoro pipeline after one end of the steel-lined tetrafluoro pipeline is flanged, so that a large amount of time and labor are wasted, and the working efficiency of the flanging device for the steel-lined tetrafluoro pipeline is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a steel lining tetrafluoro pipeline flanging device comprises:
the turnup equipment comprises a turnup equipment base, wherein a turntable bearing is arranged inside the turnup equipment base, a rotating seat is arranged above the turntable bearing, a push-up push rod is arranged inside the rotating seat, a steel lining tetrafluoro pipeline fixing frame is arranged above the push-up push rod, and a turning motor is arranged below the turnup equipment base;
the lifting sliding groove is formed in the inside of the steel lining tetrafluoro pipeline fixing frame, a lifting sliding block is arranged inside the lifting sliding groove, a lifting adjusting screw rod is arranged inside the lifting sliding block, a steel lining tetrafluoro pipeline fixing pressing plate is arranged on the right side of the lifting sliding block, a steel lining tetrafluoro pipeline positioning fixing groove is formed in the inner wall of the steel lining tetrafluoro pipeline fixing frame, and a fixing motor is arranged above the steel lining tetrafluoro pipeline fixing frame.
Preferably, the rotating seat is rotated on the flanging equipment base through a turntable bearing, and the turning motor is connected with the rotating seat key.
Preferably, the steel lining tetrafluoro pipeline fixing frame is of a concave structure, and the steel lining tetrafluoro pipeline positioning fixing groove is of an arc structure.
Preferably, fixed motor and lift accommodate the lead screw key-type connection, and lift accommodate the lead screw runs through in the inside of lifting slide to lift accommodate the lead screw and lifting slide threaded connection, steel lining tetrafluoro pipeline mount is through pushing up lift push rod and roating seat swing joint, and steel lining tetrafluoro pipeline mount realizes moving on the roating seat through pushing up the push rod, and the roating seat passes through carousel bearing and flanging equipment base swing joint.
Preferably, the steel lining tetrafluoro pipeline fixing pressing plate is fixedly connected with the lifting slide block in an integrated mode, and the steel lining tetrafluoro pipeline fixing pressing plate moves inside the steel lining tetrafluoro pipeline fixing frame through the lifting sliding groove, the lifting adjusting screw rod and the lifting slide block.
Preferably, the shape and size of the lifting slide block are matched with the shape and size of the interior of the lifting chute, and the lifting slide block is of a T-shaped structure.
Preferably, the rotating base is further provided with:
the utility model discloses a steel lining tetrafluoro pipeline backup pad, its is installed the left side of roating seat, the spacing groove has been seted up to the inside of steel lining tetrafluoro pipeline backup pad, the turn-ups adjustable shelf is installed in the left side of steel lining tetrafluoro pipeline backup pad, the internally mounted of turn-ups adjustable shelf has the conversion motor, toper turn-ups mould is installed to the output of conversion motor, plane turn-ups mould is installed to the below of toper turn-ups mould, spacing spout is installed to the below of turn-ups adjustable shelf, the internally mounted of spacing spout has spacing slider, the fixed plate is installed in the left side of turn-ups adjustable shelf, turn-ups electric putter is installed in the fixed plate left side.
Preferably, the flanging movable frame is fixedly connected with the limiting slide block in an integrated mode, and the flanging movable frame moves on the flanging equipment base through the limiting slide block and the limiting slide groove.
Preferably, the flanging movable frame is of a concave structure, and the conversion motor is in key connection with the conical flanging die.
Preferably, the flanging equipment base is fixedly connected with the fixing plate in an integrated mode, and the fixing plate is in interactive connection with the flanging movable frame through the flanging electric push rod.
Compared with the prior art, the invention provides steel lining tetrafluoro pipeline flanging equipment, which has the following beneficial effects: this steel lining tetrafluoro pipeline flanging equipment is through promoting the push rod and go up fixed steel lining tetrafluoro pipeline and carry out the lifting with steel lining tetrafluoro pipeline mount and steel lining tetrafluoro pipeline mount, then drive the roating seat through transferring the motor and rotating disc bearing and rotate, and then rotate the not turn-ups one end of steel lining tetrafluoro pipeline to spacing groove department and carry out the turn-ups operation, and then improved this steel lining tetrafluoro pipeline flanging equipment's work efficiency greatly.
1. According to the steel lining PTFE pipeline flanging device, the steel lining PTFE pipeline fixing frame and the steel lining PTFE pipeline fixing frame are fixed on the steel lining PTFE pipeline fixing frame and lifted, then the rotating seat is driven to rotate through the turning motor and the turntable bearing, and the end, which is not flanged, of the steel lining PTFE pipeline is rotated to the limiting groove to be flanged, so that the working efficiency of the steel lining PTFE pipeline flanging device is greatly improved;
2. according to the invention, the lifting adjusting screw rod is driven to rotate by electrifying the fixing motor, and the lifting slide block and the steel lining tetrafluoro pipeline fixing pressure plate are pushed to move downwards through threads to fix the steel lining tetrafluoro pipeline, so that the fixing operation of the steel lining tetrafluoro pipeline is simple and convenient;
3. according to the steel lining tetrafluoro pipeline flanging device, the conversion motor drives the conical flanging die and the planar flanging die to be rapidly switched, so that the working efficiency of the steel lining tetrafluoro pipeline flanging device is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the flanging movable frame of the present invention;
FIG. 3 is a schematic view of the connection structure of the steel lining PTFE pipe fixing platen and the steel lining PTFE pipe fixing frame of the present invention;
fig. 4 is a schematic view of the internal structure of the rotary base according to the present invention.
In the figure: 1. a flanging device base; 2. a fixing plate; 3. a steel lining tetrafluoro pipe support plate; 4. a turntable bearing; 5. a rotating base; 6. a steel lining PTFE pipeline positioning fixing groove; 7. a steel lining PTFE pipeline fixing pressure plate; 8. fixing a motor; 9. a steel lining PTFE pipe fixing frame; 10. a limiting groove; 11. a flanging movable frame; 12. a flanging electric push rod; 13. a switching motor; 14. a conical flanging die; 15. a plane flanging die; 16. a limiting slide block; 17. a limiting chute; 18. a lifting chute; 19. a lifting adjusting screw rod; 20. a lifting slide block; 21. turning a motor; 22. the push rod is pushed up.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 3 and 4, a steel-lined tetrafluoro pipe flanging apparatus includes: the flanging device comprises a flanging device base 1, wherein a turntable bearing 4 is arranged inside the flanging device base 1, a rotating seat 5 is arranged above the turntable bearing 4, a push-up push rod 22 is arranged inside the rotating seat 5, and a steel lining tetrafluoro pipeline fixing frame 9 is arranged above the push-up push rod 22; the steel lining tetrafluoro pipeline fixing frame 9 is movably connected with the rotating seat 5 through a pushing and lifting push rod 22, the steel lining tetrafluoro pipeline fixing frame 9 moves on the rotating seat 5 through the pushing and lifting push rod 22, and a turning motor 21 is installed below the flanging equipment base 1; the rotating seat 5 is movably connected with the flanging equipment base 1 through a turntable bearing 4; the rotating seat 5 rotates on the flanging equipment base 1 through the turntable bearing 4, and the transfer motor 21 is connected with the rotating seat 5 in a key mode; the steel lining tetrafluoro pipeline fixing frame 9 and the steel lining tetrafluoro pipeline fixing frame 9 are fixed on the steel lining tetrafluoro pipeline fixing frame by pushing the push rod 22 to be lifted, then the rotating seat 5 is driven to rotate by the turning motor 21 and the turntable bearing 4, and the non-flanged end of the steel lining tetrafluoro pipeline is rotated to the limiting groove 10 to be flanged, so that the working efficiency of the steel lining tetrafluoro pipeline flanging equipment is greatly improved; a lifting chute 18 which is arranged inside the steel lining tetrafluoro pipe fixing frame 9, and a lifting slide block 20 is arranged inside the lifting chute 18; the shape and the size of the lifting slide block 20 are matched with those of the interior of the lifting chute 18, the lifting slide block 20 is of a T-shaped structure, a lifting adjusting screw rod 19 is installed inside the lifting slide block 20, and a steel lining polytetrafluoroethylene pipeline fixing pressure plate 7 is installed on the right side of the lifting slide block 20; the steel lining tetrafluoro pipeline fixing pressing plate 7 is fixedly connected with the lifting slide block 20 in an integrated mode, the steel lining tetrafluoro pipeline fixing pressing plate 7 moves inside the steel lining tetrafluoro pipeline fixing frame 9 through the lifting slide groove 18, the lifting adjusting screw rod 19 and the lifting slide block 20, and a steel lining tetrafluoro pipeline positioning fixing groove 6 is formed in the inner wall of the steel lining tetrafluoro pipeline fixing frame 9; the steel lining tetrafluoro pipeline positioning fixing groove 6 is of an arc-shaped structure, and a fixing motor 8 is arranged above a steel lining tetrafluoro pipeline fixing frame 9; the steel lining tetrafluoro pipeline fixing frame 9 is of a concave structure, the fixing motor 8 is connected with a lifting adjusting screw rod 19 in a key mode, the lifting adjusting screw rod 19 penetrates through the inside of a lifting sliding block 20, and the lifting adjusting screw rod 19 is in threaded connection with the lifting sliding block 20; the lifting adjusting screw rod 19 is driven to rotate through the electrification work of the fixing motor 8, and then the lifting slide block 20 and the steel lining tetrafluoro pipeline fixing press plate 7 are pushed to move downwards through threads to fix the steel lining tetrafluoro pipeline, so that the fixing operation of the steel lining tetrafluoro pipeline is simple and convenient.
As shown in fig. 1 and 2, a flanging device for steel-lined tetrafluoro pipes comprises: the steel lining tetrafluoro pipeline supporting plate 3 is installed on the left side of the rotating seat 5, a limiting groove 10 is formed in the steel lining tetrafluoro pipeline supporting plate 3, a flanging movable frame 11 is installed on the left side of the steel lining tetrafluoro pipeline supporting plate 3, a conversion motor 13 is installed in the flanging movable frame 11, and a conical flanging die 14 is installed at the output end of the conversion motor 13; the flanging movable frame 11 is of a concave structure, the conversion motor 13 is in key connection with the conical flanging die 14, the planar flanging die 15 is mounted below the conical flanging die 14, the limiting sliding groove 17 is mounted below the flanging movable frame 11, and the limiting sliding block 16 is mounted inside the limiting sliding groove 17; the flanging movable frame 11 is fixedly connected with the limiting slide block 16 in an integrated manner, the flanging movable frame 11 moves on the flanging equipment base 1 through the limiting slide block 16 and the limiting slide groove 17, the fixed plate 2 is installed on the left side of the flanging movable frame 11, and the flanging electric push rod 12 is installed on the left side of the fixed plate 2; the flanging equipment base 1 is fixedly connected with the fixed plate 2 in an integrated manner, and the fixed plate 2 is interactively connected with the flanging movable frame 11 through a flanging electric push rod 12; the conversion motor 13 drives the conical flanging die 14 and the plane flanging die 15 to be rapidly switched, so that the working efficiency of the steel lining tetrafluoro pipeline flanging equipment is improved.
The working principle is as follows: when the steel lining tetrafluoro pipe flanging device is used, firstly, a steel lining tetrafluoro pipe is placed in a limiting groove 10 in a steel lining tetrafluoro pipe supporting plate 3 and a steel lining tetrafluoro pipe positioning fixing groove 6 in a steel lining tetrafluoro pipe fixing frame 9, then a fixing motor 8 is electrified to work to drive a lifting adjusting screw rod 19 to rotate, a lifting slide block 20 and a steel lining tetrafluoro pipe fixing press plate 7 are pushed to move downwards through threads, then the steel lining tetrafluoro pipe is fixed, then a pushing push rod 22 is pushed to work and contract to drive the steel lining tetrafluoro pipe to fall into the limiting groove 10 in the steel lining tetrafluoro pipe supporting plate 3, then a flanging electric push rod 12 on a fixing plate 2 is electrified to work to push a flanging movable frame 11 to move towards the steel lining tetrafluoro pipe, so that a heated conical flanging die 14 is inserted into the steel lining tetrafluoro pipe, then the flanging electric push rod 12 contracts, and the conical flanging die 14 withdraws from the interior of the steel lining tetrafluoro pipe, then the conversion motor 13 is electrified to work to drive the conical flanging die 14 and the plane flanging die 15 to rotate, so that the plane flanging die 15 rotates to the upper part, then the plane flanging die 15 is pushed to the steel lining tetrafluoro pipe to conveniently operate the steel lining tetrafluoro pipe, finally the push-up push rod 22 works to push up the rotary seat 5, the turning motor 21 is electrified to work to drive the steel lining tetrafluoro pipe fixing frame 9 on the rotary seat 5 to rotate, the other end of the steel lining tetrafluoro pipe is rotated to the limiting groove 10, and the steel lining tetrafluoro pipe is fixed in the limiting groove 10 to be flanged through manual adjustment, so that the working principle of the steel lining tetrafluoro pipe flanging device is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a steel lining tetrafluoro pipeline flanging equipment which characterized in that includes:
the flanging device comprises a flanging device base (1), wherein a turntable bearing (4) is installed inside the flanging device base (1), a rotating seat (5) is installed above the turntable bearing (4), a push-up push rod (22) is installed inside the rotating seat (5), a steel lining PTFE pipeline fixing frame (9) is installed above the push-up push rod (22), and a turning motor (21) is installed below the flanging device base (1);
lifting chute (18), it sets up the inside of steel lining tetrafluoro pipeline mount (9), the internally mounted of lifting chute (18) has lifting slide block (20), the internally mounted of lifting slide block (20) has lift accommodate the lead screw (19), steel lining tetrafluoro pipeline fixed pressing plate (7) are installed on the right side of lifting slide block (20), steel lining tetrafluoro pipeline location fixed slot (6) have been seted up to the inner wall of steel lining tetrafluoro pipeline mount (9), fixed motor (8) are installed to the top of steel lining tetrafluoro pipeline mount (9).
2. The steel-lined tetrafluoro pipeline flanging device according to claim 1, characterized in that the rotating seat (5) is rotated on the flanging device base (1) through a turntable bearing (4), and the turning motor (21) is in key connection with the rotating seat (5).
3. The steel lining tetrafluoro pipeline flanging device according to claim 1, characterized in that the steel lining tetrafluoro pipeline fixing frame (9) is of a concave structure, and the steel lining tetrafluoro pipeline positioning fixing groove (6) is of an arc structure.
4. The steel lining tetrafluoro pipeline flanging device according to claim 1, characterized in that the fixed motor (8) is in key connection with a lifting adjusting screw rod (19), the lifting adjusting screw rod (19) penetrates through the inside of a lifting slide block (20), the lifting adjusting screw rod (19) is in threaded connection with the lifting slide block (20), the steel lining tetrafluoro pipeline fixing frame (9) is movably connected with the rotating base (5) through a pushing and lifting push rod (22), the steel lining tetrafluoro pipeline fixing frame (9) is moved on the rotating base (5) through the pushing and lifting push rod (22), and the rotating base (5) is movably connected with the flanging device base (1) through a turntable bearing (4).
5. The steel lining tetrafluoro pipeline flanging device according to claim 1, characterized in that the steel lining tetrafluoro pipeline fixing pressing plate (7) is fixedly connected with the lifting slide block (20) in an integrated manner, and the steel lining tetrafluoro pipeline fixing pressing plate (7) moves inside the steel lining tetrafluoro pipeline fixing frame (9) through the lifting slide groove (18), the lifting adjusting screw rod (19) and the lifting slide block (20).
6. The steel-lined tetrafluoro pipeline flanging device according to claim 1, wherein the shape and size of the lifting slide block (20) are matched with the shape and size of the interior of the lifting chute (18), and the lifting slide block (20) is of a T-shaped structure.
7. The steel-lined tetrafluoro pipeline flanging device according to claim 1, wherein the rotating base (5) is further provided with:
steel lining tetrafluoro pipe backup pad (3), it is installed the left side of roating seat (5), spacing groove (10) have been seted up to the inside of steel lining tetrafluoro pipe backup pad (3), turn-ups adjustable shelf (11) are installed in the left side of steel lining tetrafluoro pipe backup pad (3), the internally mounted of turn-ups adjustable shelf (11) has conversion motor (13), toper turn-ups mould (14) are installed to the output of conversion motor (13), plane turn-ups mould (15) are installed to the below of toper turn-ups mould (14), spacing spout (17) are installed to the below of turn-ups adjustable shelf (11), the internally mounted of spacing spout (17) has limit slide (16), fixed plate (2) are installed in the left side of turn-ups adjustable shelf (11), turn-ups electric putter (12) are installed in fixed plate (2) left side.
8. The steel lining tetrafluoro pipeline flanging device according to claim 7, characterized in that the flanging movable frame (11) is fixedly connected with the limiting slide block (16) in an integrated manner, and the flanging movable frame (11) moves on the flanging device base (1) through the limiting slide block (16) and the limiting slide groove (17).
9. The steel-lined tetrafluoro pipeline flanging device according to claim 7, characterized in that the flanging movable frame (11) is of a concave structure, and the conversion motor (13) is in key connection with the conical flanging die (14).
10. The steel lining tetrafluoro pipeline flanging device according to claim 7, characterized in that the flanging device base (1) is fixedly connected with the fixing plate (2) in an integrated manner, and the fixing plate (2) is interactively connected with the flanging movable frame (11) through a flanging electric push rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111594152.5A CN114211741A (en) | 2021-12-24 | 2021-12-24 | Steel lining tetrafluoro pipeline flanging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111594152.5A CN114211741A (en) | 2021-12-24 | 2021-12-24 | Steel lining tetrafluoro pipeline flanging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114211741A true CN114211741A (en) | 2022-03-22 |
Family
ID=80705487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111594152.5A Pending CN114211741A (en) | 2021-12-24 | 2021-12-24 | Steel lining tetrafluoro pipeline flanging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114211741A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118977405A (en) * | 2024-10-22 | 2024-11-19 | 南通圣峰防腐钢塑有限公司 | A compression mold for steel-lined fluorine pipe |
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| CN118977405B (en) * | 2024-10-22 | 2024-12-20 | 南通圣峰防腐钢塑有限公司 | Compression mold for steel lining fluorine pipe |
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