Plastic pipeline injection molding device for connecting automobile supercharger with intercooler

Abstract

The invention discloses a plastic pipeline injection molding device for connecting an automobile supercharger with an intercooler, and relates to the technical field of plastic pipeline injection molding. Comprising a base, the mold assembly comprises a guide rod arranged on the base, a first mold and a second mold, and the first mold is in sliding fit with the guide rod; an injection part is arranged at one end of the second mold; a first removing mechanism is arranged above the mold assembly and used for removing oil on the guide rod. A butt joint moving table is arranged on the base in a sliding mode, and a sealing conveying mechanism, a first sealing mechanism and a second sealing mechanism are arranged on the butt joint moving table. Tedious manual disassembly and assembly operation can be omitted, maintenance can be completed through butt joint sealing, material transportation and separation when follow-up maintenance and cleaning are completed, time and labor are saved, and the production process cannot be interrupted for a long time.

Description

Technical Field

[0001] The invention relates to the technical field of plastic pipeline injection molding, in particular to a plastic pipeline injection molding device used for connecting an automobile supercharger with an intercooler. Background Art

[0002] The plastic pipe connecting the automobile supercharger to the intercooler is usually designed to be a high-strength and high-temperature resistant material to adapt to the working conditions of the supercharging system; the design of these pipes needs to consider the high temperature and high pressure conditions in the supercharging system, as well as the resistance to vibration and external environment. During installation and use, it is key to ensure the quality and sealing performance of the pipes to ensure the stability and safety of the supercharging system; current plastic pipes are generally produced by injection molding, which is a common plastic product production process. The molten material is extruded and transferred to the mold, and then cooled and formed; and the existing injection molding equipment is generally a closed system, which is cumbersome and inconvenient to maintain. Some raw materials are blocked inside, and large-scale disassembly and assembly are required, resulting in long-term interruption of the production process, and more manpower is involved, which is time-consuming and labor-intensive; based on this, the present invention proposes a plastic pipe injection molding device, which can save cumbersome manpower disassembly and assembly operations, complete material transportation through docking and sealing, and complete maintenance by separation during subsequent maintenance and cleaning, saving time and labor, and will not cause the production process to be interrupted for a long time. Summary of the invention

[0003] In response to the above technical problems, the present invention can save tedious manual disassembly and assembly operations, complete material transportation through docking and sealing, and during subsequent maintenance and cleaning, maintenance can be completed by separation, which saves time and effort and will not cause the production process to be interrupted for a long time.

[0004] The scheme used in the present invention is: a plastic pipe injection molding device for connecting an automobile supercharger to an intercooler, comprising a base, one end of which is provided with a mold assembly; the mold assembly comprises a guide rod, a first mold and a second mold arranged on the base, the first mold slidably fitted on the guide rod; an injection portion is arranged at one end of the second mold; a cleaning mechanism 1 is arranged above the mold assembly for cleaning oil from the guide rod; the cleaning mechanism 1 comprises two cleaning racks that are docked with each other, and a cleaning cylinder is rotatably arranged on the cleaning rack; a docking moving platform is slidably arranged on the base, and a sealing transmission mechanism is arranged on the docking moving platform, and the sealing transmission mechanism comprises two slidingly mounted A transport sealing cylinder on a docking movable platform, and an extrusion shaft rotatably installed on the docking movable platform, wherein the extrusion shaft is located inside the two transport sealing cylinders; sealing parts are arranged on the upper and lower sides of the transport sealing cylinder, and a sealing mechanism 1 is also arranged on the upper and lower sides of the transport sealing cylinder respectively, the two transport sealing cylinders are docked, and clamping and sealing are performed through the sealing mechanism 1; a sealing mechanism 2 is arranged on both sides of one end of the transport sealing cylinder facing the injection part, the end of the transport sealing cylinder is docked with the injection part, and clamping and sealing are performed through the sealing mechanism 2; a cleaning mechanism 2 is also arranged above the transport sealing cylinder, the two transport sealing cylinders are separated, and the extrusion shaft is cleaned through the cleaning mechanism 2.

[0005] Furthermore, the mold assembly includes a mold control cylinder arranged at one end of the base, and the mold control cylinder is used to control the movement of the first mold; a collection frame for collecting products is arranged below the base mold assembly.

[0006] Furthermore, the cleaning mechanism 1 includes a motor 2 and a screw 2 arranged on the top of the base, and the screw 2 is driven by the motor 2; a slide seat 1 is also slidably installed on the top of the base, and the slide seat 1 and the screw 2 form a spiral pair, and an electric cylinder 1 is arranged on the slide seat, and a cleaning mounting seat is arranged on the telescopic rod of the electric cylinder 1.

[0007] Furthermore, a control electric cylinder is provided on the cleaning mounting seat, and the cleaning frame is slidably installed on the cleaning mounting seat. The control electric cylinder is used to control the movement of the cleaning frame; a driving motor is provided on the cleaning frame, and a driving gear is provided on the output shaft of the driving motor. The driving gear and the cleaning cylinder form a gear pair.

[0008] Furthermore, the second cleaning mechanism includes a sealing mounting frame arranged on the docking movable platform, on which a motor three and a screw rod three are arranged, the screw rod three is driven by the motor three, a slide seat two is slidably mounted on the sealing mounting frame, the slide seat two and the screw rod three form a spiral pair, an electric cylinder two is arranged on the slide seat two, a cleaning motor is arranged on the telescopic rod of the electric cylinder two, a cleaning part is arranged on the output shaft of the cleaning motor, and the cleaning part performs cleaning processing on the extrusion shaft.

[0009] Furthermore, a motor and a screw rod are provided on the base, the screw rod is driven by the motor, the docking movable platform and the screw rod form a spiral pair, a transmission motor and a mounting seat are provided on the docking movable platform, the extrusion shaft is rotatably provided on the mounting seat, and the extrusion shaft is driven by the transmission motor.

[0010] Furthermore, the sealing transmission mechanism includes a motor four and a screw rod four arranged on the docking movable platform. The screw rod four is driven by the motor four. A connecting seat is slidably installed on the docking movable platform. The connecting seat is fixedly connected to the transport sealing cylinder, and the connecting seat and the screw rod four form a spiral pair; the two transport sealing cylinders are docked so that the sealing parts are docked and closed, and a pair of sealing parts are clamped and sealed through the sealing mechanism.

[0011] Furthermore, the sealing mechanism 1 includes a motor 5 and a screw rod 5 arranged on the docking movable platform, the screw rod 5 is driven by the motor 5, and a sealing slide is arranged on the docking movable platform for lifting and sliding, the sealing slide and the screw rod 5 form a spiral pair, and a sealing control electric cylinder 1 is arranged on the sealing slide, and a surrounding frame 1 is arranged on the telescopic rod of the sealing control electric cylinder 1, a clamping oil cylinder 1 is arranged on the surrounding frame 1, and a clamping plate 1 is arranged on the inner side of the surrounding frame 1, and the clamping plate 1 is driven by the clamping oil cylinder 1.

[0012] Furthermore, the second sealing mechanism includes a second sealing control electric cylinder arranged on the docking movable platform, and a second enclosing frame is arranged on the telescopic rod of the second sealing control electric cylinder, and the second enclosing frame seals and surrounds the end of the transport sealing cylinder and the injection part; a second clamping cylinder is arranged on the second enclosing frame, and a second clamping plate is arranged on the inner side of the second enclosing frame, and the second clamping plate is driven by the second clamping cylinder.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) the two transport sealing cylinders are moved to make the sealing parts butt together, and the docking moving platform is moved, so that the transport sealing cylinder after docking is docked with the injection part, and after the docking at each place is completed, the sealing mechanism 1 and the sealing mechanism 2 are clamped and sealed, and can be directly separated during subsequent maintenance, which is convenient to operate; (2) in the subsequent maintenance operation, the oil on the guide rod is cleaned by the cleaning mechanism 1, that is, the cleaning cylinder rotates to complete the cleaning operation of the oil on the surface of the guide rod, eliminating the manual cleaning operation; (3) when cleaning the extrusion shaft, the position of the surrounding frame 1 is adjusted to make it away from the sealing part, that is, the clamping seal of the transport sealing cylinder is released, and the position of the surrounding frame 2 is adjusted to release the clamping seal of the end of the transport sealing cylinder and the injection part; the two transport sealing cylinders are separated to expose the extrusion shaft to the outside, and the cleaning part moves along the axial direction of the extrusion shaft, and combined with the rotation of the extrusion shaft, the cleaning operation of the extrusion shaft is completed, and the blockage attached to the extrusion shaft is cleared, eliminating the manual disassembly and assembly operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the installation structure of the sealed transmission mechanism of the present invention.

[0016] Figure 3 It is a schematic diagram of the installation structure of the cleaning mechanism 1 of the present invention.

[0017] Figure 4 It is a structural schematic diagram of a cleaning mechanism of the present invention.

[0018] Figure 5 It is a schematic structural diagram of the second cleaning mechanism of the present invention.

[0019] Figure 6 It is a schematic diagram of the installation structure of the transport sealing cylinder of the present invention.

[0020] Figure 7 It is a schematic diagram of the structure of sealing mechanism 1 and sealing mechanism 2 of the present invention.

[0021] Figure numerals: 1-base; 2-first mold; 3-mold control cylinder; 4-second mold; 5-collection frame; 6-motor one; 7-screw rod one; 8-docking moving platform; 9-transmission motor; 10-mounting seat; 11-extrusion shaft; 12-motor two; 13-screw rod two; 14-slide one; 15-electric cylinder one; 16-clearing mounting seat; 17-control electric cylinder one; 18-drive motor; 19-drive gear; 20-clearing frame; 21-clearing cylinder; 22-sealing mounting frame; 23-motor three; 24-screw rod 3; 25-slide seat 2; 26-electric cylinder 2; 27-clearing motor; 28-clearing part; 29-transport sealing cylinder; 30-sealing part; 31-connecting seat; 32-motor 4; 33-screw rod 4; 34-motor 5; 35-sealing slide seat; 36-screw rod 5; 37-sealing control electric cylinder 1; 38-enclosing frame 1; 39-clamping plate 1; 40-clamping oil cylinder 1; 41-sealing control electric cylinder 2; 42-enclosing frame 2; 43-clamping oil cylinder 2; 44-clamping plate 2; 101-guide rod; 401-injection part. DETAILED DESCRIPTION

[0022] Example: Figures 1 to 7 As shown, a mold assembly is provided at one end of the base 1; the mold assembly includes a guide rod 101, a first mold 2 and a second mold 4 arranged on the base 1, and the first mold 2 is slidably fitted on the guide rod 101; an injection part 401 is provided at one end of the second mold 4; the mold assembly includes a mold control cylinder 3 arranged at one end of the base 1, and the mold control cylinder 3 is used to control the movement of the first mold 2; a collection frame 5 for collecting products is provided below the mold assembly of the base 1.

[0023] A cleaning mechanism 1 is arranged above the mold assembly for cleaning oil stains on the guide rod 101; the cleaning mechanism 1 includes two cleaning racks 20 that are mated with each other, and a cleaning cylinder 21 is rotatably arranged on the cleaning rack 20; the cleaning mechanism 1 includes a motor 2 12 and a screw 2 13 arranged on the top of the base 1, and the screw 2 13 is driven by the motor 2 12; a slide 14 is also slidably installed on the top of the base 1, and the slide 14 and the screw 2 13 form a spiral pair, and an electric cylinder 15 is arranged on the slide 14, and a cleaning mounting seat 16 is arranged on the telescopic rod of the electric cylinder 15; a control electric cylinder 17 is arranged on the cleaning mounting seat 16, and the cleaning rack 20 is slidably installed on the cleaning mounting seat 16, and the control electric cylinder 17 is used to control the movement of the cleaning rack 20; a driving motor 18 is arranged on the cleaning rack 20, and a driving gear 19 is arranged on the output shaft of the driving motor 18, and the driving gear 19 and the cleaning cylinder 21 form a gear pair.

[0024] A docking movable platform 8 is slidably arranged on the base 1, and a sealing transmission mechanism is arranged on the docking movable platform 8. The sealing transmission mechanism includes two transport sealing cylinders 29 slidably mounted on the docking movable platform 8, and an extrusion shaft 11 rotatably mounted on the docking movable platform 8, and the extrusion shaft 11 is located on the inner side of the two transport sealing cylinders 29; a feed port is provided on the transport sealing cylinder 29, and the operator can dock the feeding and transporting equipment with the feed port on the transport sealing cylinder 29 to realize feeding; a sealing part 30 is arranged on the upper and lower sides of the transport sealing cylinder 29, and a sealing mechanism 1 is also arranged on the upper and lower sides of the transport sealing cylinder 29 respectively, and the two transport sealing cylinders 29 are docked, and clamping and sealing are performed by the sealing mechanism 1; a sealing mechanism 2 is arranged on both sides of one end of the transport sealing cylinder 29 facing the injection part 401, and the end of the transport sealing cylinder 29 is docked with the injection part 401, and clamping and sealing are performed by the sealing mechanism 2; a cleaning mechanism 2 is also arranged above the transport sealing cylinder 29, and the two transport sealing cylinders 29 are separated, and the extrusion shaft 11 is cleaned by the cleaning mechanism 2.

[0025] The second cleaning mechanism includes a sealing mounting frame 22 arranged on the docking movable platform 8, on which a motor 3 23 and a screw 3 24 are arranged, the screw 3 24 is driven by the motor 3 23, a slide 25 is slidably mounted on the sealing mounting frame 22, the slide 25 and the screw 3 24 form a spiral pair, an electric cylinder 26 is arranged on the slide 25, a cleaning motor 27 is arranged on the telescopic rod of the electric cylinder 26, a cleaning part 28 is arranged on the output shaft of the cleaning motor 27, and the cleaning part 28 performs a cleaning process on the extrusion shaft 11.

[0026] A motor 6 and a screw rod 7 are arranged on the base 1, and the screw rod 7 is driven by the motor 6. The docking movable platform 8 and the screw rod 7 form a spiral pair. A transmission motor 9 and a mounting seat 10 are arranged on the docking movable platform 8. The extrusion shaft 11 is rotatably arranged on the mounting seat 10, and the extrusion shaft 11 is driven by the transmission motor 9; the sealing transmission mechanism includes a motor 4 32 and a screw rod 4 33 arranged on the docking movable platform 8, and the screw rod 4 33 is driven by the motor 4 32. A connecting seat 31 is slidably installed on the docking movable platform 8, and the connecting seat 31 is fixedly connected to the transport sealing cylinder 29, and the connecting seat 31 and the screw rod 4 33 form a spiral pair; the two transport sealing cylinders 29 are docked, so that the sealing parts 30 are aligned and closed, and the sealing parts 30 are clamped and sealed by the sealing mechanism.

[0027] The sealing mechanism 1 includes a motor 5 34 and a screw rod 5 36 arranged on the docking movable platform 8. The screw rod 5 36 is driven by the motor 5 34. A sealing slide 35 is arranged on the docking movable platform 8 for lifting and sliding. The sealing slide 35 and the screw rod 5 36 form a spiral pair, and a sealing control electric cylinder 1 37 is arranged on the sealing slide 35. The telescopic rod of the sealing control electric cylinder 1 37 is provided with a surrounding frame 1 38, and a clamping oil cylinder 1 40 is arranged on the surrounding frame 1 38, and a clamping oil cylinder 40 is arranged on the inner side of the surrounding frame 1 38. A clamping plate 39, the clamping plate 39 is driven by a clamping cylinder 40; the sealing mechanism 2 includes a sealing control electric cylinder 41 arranged on the docking movable platform 8, and a surrounding frame 42 is arranged on the telescopic rod of the sealing control electric cylinder 41, and the surrounding frame 42 seals and surrounds the end of the transport sealing cylinder 29 and the injection part 401; a clamping cylinder 43 is arranged on the surrounding frame 42, and a clamping plate 44 is arranged on the inner side of the surrounding frame 42, and the clamping plate 44 is driven by the clamping cylinder 43.

[0028] The working principle is as follows: during operation, the motor 4 32 works, the screw rod 4 33 rotates, the two transport sealing cylinders 29 move, the sealing part 30 is butted together, and then the motor 1 6 works, the screw rod 1 7 rotates, the docking moving platform 8 moves, that is, the transport sealing cylinder 29 after docking is docked with the injection part 401, after the docking is completed, the motor 5 34 works, the screw rod 5 36 rotates, the sealing slide 35 slides, and then the sealing control electric cylinder 1 37 controls the position of the surrounding frame 1 38, that is, the surrounding frame 1 38 is located below the sealing part 30, and the sealing slide 35 is adjusted to make the sealing part 30 after docking be located above the surrounding frame 1 38. On the inner side, the clamping plate 39 is controlled to move by the clamping cylinder 40 to clamp and seal the side of the sealing part 30, that is, the sealing of the transport sealing cylinder 29 is completed, and the extrusion shaft 11 is located on the inner side of the transport sealing cylinder 29 after docking; further, the surrounding frame 42 is controlled to move by the sealing control electric cylinder 41, so that the surrounding frame 42 is located on the outer side of the end of the transport sealing cylinder 29 and the injection part 401, that is, the injection part 401 and the end of the transport sealing cylinder 29 are surrounded, and then the clamping plate 44 is controlled to move by the clamping cylinder 43 to clamp and seal the end of the transport sealing cylinder 29 and the injection part 401.

[0029] The operator can connect the feeding and transporting equipment with the feed port on the transport sealing cylinder 29 to realize feeding; the transmission motor 9 works and the extrusion shaft 11 rotates to complete the extrusion of the material; the material enters the first mold 2 and the second mold 4 from the injection part 401 to be formed, and the mold control cylinder 3 controls the movement of the first mold 2 to complete the mold closing and parting; the product falls into the collection frame 5 for collection.

[0030] Furthermore, in subsequent maintenance operations, the oil on the guide rod 101 is cleaned by a cleaning mechanism 1. Specifically, the motor 2 12 works, the screw 2 13 rotates, the slide 14 slides, the electric cylinder 15 controls the height of the base 1, and the electric cylinder 17 controls the movement of the cleaning frame 20. The two cleaning frames 20 are joined together to make the guide rod 101 located inside the cleaning cylinder 21. The driving motor 18 works, and under the gear transmission of the driving gear 19 and the cleaning cylinder 21, the cleaning cylinder 21 rotates, thereby completing the cleaning operation of the oil on the surface of the guide rod 101, eliminating the need for manual cleaning operations.

[0031] Furthermore, when the extrusion shaft 11 needs to be cleaned, the position of the enclosing frame 1 38 is adjusted to be away from the sealing part 30, that is, the clamping seal of the transport sealing cylinder 29 is released, and the position of the enclosing frame 2 42 is adjusted to release the clamping seal of the end of the transport sealing cylinder 29 and the injection part 401; the two transport sealing cylinders 29 are separated, exposing the extrusion shaft 11 to the outside, and the motor 3 23 is operated. The screw 3 24 rotates, the slide 2 25 slides, and the electric cylinder 2 26 controls the height of the cleaning part 28, along the axial direction of the extrusion shaft 11, and combined with the rotation of the extrusion shaft 11, the cleaning operation of the extrusion shaft 11 is completed, and the blockage attached to the extrusion shaft 11 is cleared, eliminating the manual disassembly operation.

Claims

1. A plastic pipe injection molding device for connecting an automobile supercharger to an intercooler, comprising a base (1), one end of the base (1) being provided with a mold assembly; the mold assembly comprising a guide rod (101) provided on the base (1), a first mold (2) and a second mold (4), the first mold (2) being slidably fitted on the guide rod (101); one end of the second mold (4) being provided with an injection portion (401); the characteristics are as follows: A cleaning mechanism 1 is arranged above the mold assembly and is used to clean oil from the guide rod (101); the cleaning mechanism 1 comprises two cleaning racks (20) that are matched and docked, and a cleaning cylinder (21) is rotatably arranged on the cleaning rack (20); a docking movable platform (8) is slidably arranged on the base (1), and a sealing transmission mechanism is arranged on the docking movable platform (8), and the sealing transmission mechanism comprises two transport sealing cylinders (29) slidably mounted on the docking movable platform (8), and an extrusion shaft (11) rotatably mounted on the docking movable platform (8), and the extrusion shaft (11) is located inside the two transport sealing cylinders (29); the transport sealing cylinder Sealing parts (30) are arranged on the upper and lower sides of the transport sealing cylinder (29), and sealing mechanisms 1 are also arranged on the upper and lower sides of the transport sealing cylinder (29), respectively. The two transport sealing cylinders (29) are butted together and clamped and sealed by the sealing mechanism 1; sealing mechanisms 2 are arranged on both sides of one end of the transport sealing cylinder (29) facing the injection part (401), and the end of the transport sealing cylinder (29) is butted against the injection part (401), and clamped and sealed by the sealing mechanism 2; and a cleaning mechanism 2 is also arranged above the transport sealing cylinder (29), and the two transport sealing cylinders (29) are separated, and the extrusion shaft (11) is cleaned by the cleaning mechanism 2.

2. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 1, characterized in that: The mold assembly comprises a mold control cylinder (3) arranged at one end of a base (1), the mold control cylinder (3) being used to control the movement of the first mold (2); a collection frame (5) for collecting products is arranged below the mold assembly of the base (1).

3. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 1, characterized in that: The cleaning mechanism 1 comprises a motor 2 (12) and a screw 2 (13) arranged on the top of the base (1), and the screw 2 (13) is driven by the motor 2 (12); a slide seat 1 (14) is also slidably mounted on the top of the base (1), and the slide seat 1 (14) and the screw 2 (13) form a spiral pair, an electric cylinder 1 (15) is arranged on the slide seat 1 (14), and a cleaning mounting seat (16) is arranged on the telescopic rod of the electric cylinder 1 (15).

4. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 3, characterized in that: The cleaning mounting seat (16) is provided with a control electric cylinder 1 (17), and the cleaning frame (20) is slidably mounted on the cleaning mounting seat (16). The control electric cylinder 1 (17) is used to control the movement of the cleaning frame (20); a driving motor (18) is provided on the cleaning frame (20), and a driving gear (19) is provided on the output shaft of the driving motor (18). The driving gear (19) and the cleaning cylinder (21) form a gear pair.

5. The plastic pipe injection molding device for connecting an automobile supercharger to an intercooler according to claim 1, characterized in that: The second cleaning mechanism comprises a sealing mounting frame (22) arranged on the docking movable platform (8), a motor three (23) and a screw rod three (24) being arranged on the sealing mounting frame (22), the screw rod three (24) being driven by the motor three (23), a slide seat two (25) being slidably mounted on the sealing mounting frame (22), the slide seat two (25) and the screw rod three (24) forming a spiral pair, an electric cylinder two (26) being arranged on the slide seat two (25), a cleaning motor (27) being arranged on the telescopic rod of the electric cylinder two (26), a cleaning unit (28) being arranged on the output shaft of the cleaning motor (27), and the cleaning unit (28) performing a cleaning process on the extrusion shaft (11).

6. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 1, characterized in that: The base (1) is provided with a motor (6) and a screw (7), the screw (7) is driven by the motor (6), the docking movable platform (8) and the screw (7) form a spiral pair, the docking movable platform (8) is provided with a transmission motor (9) and a mounting seat (10), the extrusion shaft (11) is rotatably arranged on the mounting seat (10), and the extrusion shaft (11) is driven by the transmission motor (9).

7. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 1, characterized in that: The sealing transmission mechanism comprises a motor four (32) and a screw rod four (33) arranged on the docking movable platform (8); the screw rod four (33) is driven by the motor four (32); a connecting seat (31) is slidably mounted on the docking movable platform (8); the connecting seat (31) is fixedly connected to the transport sealing cylinder (29), and the connecting seat (31) and the screw rod four (33) form a spiral pair; the two transport sealing cylinders (29) are docked so that the sealing parts (30) are docked and closed, and the sealing parts (30) are clamped and sealed by the sealing mechanism.

8. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 7, characterized in that: The sealing mechanism 1 comprises a motor 5 (34) and a screw rod 5 (36) arranged on the docking movable platform (8), the screw rod 5 (36) being driven by the motor 5 (34), a sealing slide seat (35) being arranged on the docking movable platform (8) for lifting and sliding, the sealing slide seat (35) and the screw rod 5 (36) forming a spiral pair, and a sealing control electric cylinder 1 (37) being arranged on the sealing slide seat (35), a surrounding frame 1 (38) being arranged on the telescopic rod of the sealing control electric cylinder 1 (37), a clamping oil cylinder 1 (40) being arranged on the surrounding frame 1 (38), and a clamping plate 1 (39) being arranged on the inner side of the surrounding frame 1 (38), and the clamping plate 1 (39) being driven by the clamping oil cylinder 1 (40).

9. The plastic pipe injection molding device for connecting a supercharger to an intercooler of an automobile according to claim 7, characterized in that: The second sealing mechanism comprises a second sealing control electric cylinder (41) arranged on the docking movable platform (8); a second enclosing frame (42) is arranged on the telescopic rod of the second sealing control electric cylinder (41); the second enclosing frame (42) seals and encloses the end of the transport sealing cylinder (29) and the injection part (401); a second clamping oil cylinder (43) is arranged on the second enclosing frame (42); and a second clamping plate (44) is arranged on the inner side of the second enclosing frame (42); the second clamping plate (44) is driven by the second clamping oil cylinder (43).

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