CN113524656A

CN113524656A - Pipeline foam plastic outer layer derusting and pressing integrated equipment

Info

Publication number: CN113524656A
Application number: CN202110798716.0A
Authority: CN
Inventors: 赖育斌
Original assignee: Shenzhen Hongbin Technology Co ltd
Current assignee: Shenzhen Hongbin Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-10-22
Anticipated expiration: 2041-07-15
Also published as: CN113524656B

Abstract

The invention discloses a pipeline foam-plastic outer layer rust removal and pressing integrated device, which relates to the field of foam-plastic processing equipment and comprises a pair of fixed blocks, wherein a connecting bridge is connected between the tops of the fixed blocks, a plurality of combined die hydraulic jacks are arranged inside the fixed blocks, an electric heating template is arranged at the output end of each combined die hydraulic jack, an extrusion hydraulic jack penetrates through the inside of each fixed block, a linkage disc is arranged at the output end of each extrusion hydraulic jack, and an extrusion sleeve matched with the linkage disc is arranged at one end, close to the electric heating template, of the linkage disc. The electric heating template is pushed by the die assembly hydraulic jack to be matched with the foam plastic outer layer and the extrusion sleeve which are finished firstly, at the moment, foam plastic particles are injected into a cavity formed by the electric heating template, the foam plastic outer layer and the extrusion sleeve by the particle injection pipe, and then the extrusion hydraulic jack drives the linkage disc to further drive the extrusion sleeve to move towards the inside of the electric heating template, so that the foam plastic particles are extruded, the density of the foam plastic particles is improved, and the quality of finished products is further improved.

Description

Pipeline foam plastic outer layer derusting and pressing integrated equipment

Technical Field

The invention relates to the field of foam plastic processing equipment, in particular to pipeline foam plastic outer layer derusting and pressing integrated equipment.

Background

The foam plastics are also called microporous plastics, and are characterized by that its whole body is covered with countless interconnected or non-interconnected micropores, so that the apparent density of the plastics can be obviously reduced, and said invented plastic possesses the advantages of light weight, heat insulation, sound absorption, shock-proofing, moisture-proofing and corrosion-resisting, and can be divided into closed cell foam plastics, open cell foam plastics and net foam plastics according to their cell structure, all the cells of closed cell foam plastics are not communicated, all the cells of open cell foam plastics are communicated, and the foam plastics with nearly no cell wall are called net foam plastics, and according to the density of the foam plastics can be divided into low-foaming, medium-foaming and high-foaming foam plastics, and its dielectric property is superior to that of matrix resin, and its application range is extensive, and almost all the plastics can be made into foam plastics, and its foam forming process is an important field.

Because the foamed plastic thermal insulation performance is fabulous and have matter light, inhale the sound, take precautions against earthquakes, moisture resistance, advantages such as corrosion-resistant, many pipelines begin to adopt the steel pipe outsourcing foamed plastic layer, or fill foamed plastic layer between double-deck steel pipe, the steel pipe is covered the foamed plastic layer outward now and is adopted local electrical heating template mostly, cooperation high-pressure filling equipment, in impressing the template with the foaming granule, carry out the top layer through the electric heating wire in the template again and melt the consolidation, let in high temperature steam heating in the steel pipe simultaneously, improve the degree of adhesion.

However, because the surface of the steel pipe has more rust, temporary rust removal is needed before processing, the surface rust removal is generally carried out manually at present, but because of the process and the production efficiency, the steel pipe generally adopts batch rust removal, the rust removal is accumulated after rust removal to be produced, so that the interval between the rust removal of the steel pipe and the processing production is still as long as several days, the surface of the steel pipe can generate the rust removal at the moment, the adhesion between the foamed plastic and the surface of the steel pipe is further influenced, and the foam plastic particle density is insufficient due to the limited inflation pressure of the existing template high-pressure filling, so that the quality is reduced.

Disclosure of Invention

Based on the technical scheme, the invention aims to provide the pipeline foam plastic outer layer derusting and pressing integrated equipment so as to solve the technical problems of poor adhesion and insufficient foam plastic particle pressure caused by rust in the existing foam plastic pipeline layer processing.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an outer rust cleaning suppression integration equipment is moulded to pipeline bubble, includes a pair of fixed block, and is a pair of be connected with the connection bridge between the fixed block top, the inside multiunit composite mold hydraulic ram that is provided with of fixed block, composite mold hydraulic ram output is provided with the electric heat template, the inside extrusion hydraulic ram that runs through of fixed block, extrusion hydraulic ram output is provided with the linkage disk, the linkage disk is close to electric heat template one end is provided with rather than complex extrusion sleeve, the inside rotation of extrusion sleeve is connected with rust cleaning mechanism, connection bridge one end is provided with the linkage rack, the linkage disk outside be provided with linkage rack and rust cleaning mechanism complex accelerator.

Through adopting above-mentioned technical scheme, the fixed block that sets up is fixed to the multi-unit die-closing hydraulic ram, it is fixed with two sets of fixed blocks through connecting the bridge, push up electro-thermal template compound die and demolding through compound die hydraulic pressure, mould the granule through the electric heat template to the bubble and add thermoforming, drive the linkage dish through the extrusion hydraulic ram and remove, drive the extrusion sleeve through the linkage dish and remove, mould the granule through the bubble in the extrusion sleeve in to the electric heat template and extrude, rust cleaning through rust cleaning mechanism removes rust, drive rust cleaning mechanism through linkage rack and accelerator cooperation and move.

The rust removing mechanism comprises a first gear, a first bevel gear, a second gear, a rotating sleeve, a rotating gear ring, a polishing ring, a cleaning ring and connecting strips, wherein the rotating sleeve is rotatably connected inside the extrusion sleeve, the polishing ring which is rotatably connected with the extrusion sleeve is arranged at one end of the rotating sleeve, which extends into the extrusion sleeve, and the polishing ring and the cleaning ring are connected with the polishing ring through a plurality of groups of connecting strips.

Through adopting above-mentioned technical scheme, the rotation sleeve that sets up drives ring of polishing, polishing circle and clean circle and rotates, and through the ring of polishing to the surperficial rust removal of polishing, polish through the ring of polishing to the internal steel pipe top layer, through the cleanness of clean circle internal steel pipe surface before processing.

The invention is further arranged in such a way that a plurality of groups of polishing agent grooves and hot air blowing grooves are arranged in the extrusion sleeve at the connecting strip, polishing agent pipe grooves matched with the polishing agent grooves penetrate through the extrusion sleeve, and hot air pipe grooves matched with the hot air blowing grooves penetrate through the extrusion sleeve.

By adopting the technical scheme, the polishing agent is sprayed on the surface of the inner steel pipe by the polishing agent groove, the surface of the inner steel pipe is subjected to hot air scouring by the hot air blowpipe, the polishing agent is conveyed to the polishing agent groove by the polishing agent pipe groove, and high-pressure hot air is conveyed to the hot air blowpipe by the hot air pipe groove.

The invention is further provided that the outer side of one end of the rotating sleeve extending to the outer side of the extrusion sleeve is provided with a rotating gear ring.

Through adopting above-mentioned technical scheme, the rotation ring gear that sets up makes the rotating sleeve be connected with the accelerator.

The invention is further provided that the inner walls of the grinding ring and the polishing ring are provided with a plurality of groups of slag dredging grooves, and the inner wall of the grinding ring is provided with an inclined structure.

Through adopting above-mentioned technical scheme, the slag bits that the sediment groove made the polishing produce that sets up can be blown off by high-pressure hot-blast, makes the ring of polishing adapt to the rust layer of different thickness through the slope structure, progressively polishes the rust layer and is the piece.

The invention is further arranged in such a way that a first gear matched with the linkage rack is rotatably connected inside the accelerator, the first gear is connected with a first bevel gear through a shaft, a second bevel gear matched with the first bevel gear is rotatably connected inside the accelerator, and the second bevel gear is connected with a second gear matched with the rotary gear ring through a shaft.

Through adopting above-mentioned technical scheme, the first gear that sets up drives first bevel gear, drives second bevel gear through first bevel gear, drives the second gear through second bevel gear, drives through the second gear and rotates the ring gear.

The invention is further provided that the top of the electric heating template is provided with a particle injection pipe, and the electric heating template and the sliding pipe inside the extrusion sleeve are penetrated with an inner steel pipe.

Through adopting above-mentioned technical scheme, inside the granule filling tube that sets up pours into the bubble plastic granule into electric heat template into, as bubble plastic granule inner formword through interior steel pipe to accomplish processing.

The invention is further provided that the outer side of one end of the inner steel pipe is provided with a foam plastic outer layer.

By adopting the technical scheme, the arranged foam plastic outer layer is used as a first section of a post-processing section, so that the number of templates is saved.

In summary, the invention mainly has the following beneficial effects:

1. the electric heating template is pushed by the die assembly hydraulic jack to be matched with the foam plastic outer layer and the extrusion sleeve which are finished firstly, at the moment, foam plastic particles are injected into a cavity formed by the electric heating template, the foam plastic outer layer and the extrusion sleeve by the particle injection pipe, and then the extrusion hydraulic jack drives the linkage disc to further drive the extrusion sleeve to move towards the inside of the electric heating template, so that the foam plastic particles are extruded, the density of the foam plastic particles is improved, and the quality of finished products is further improved;

2. after a section of foam plastic outer layer is processed, the linkage disc is driven to retreat and reset through the extrusion hydraulic jack, the linkage rack moves in the accelerator, the first gear is driven by the linkage rack to further drive the first bevel gear, the second gear is driven by the fit of the second bevel gear and the first bevel gear to drive the rotating gear ring to rotate, the rotation is accelerated by the matching of the diameter and the tooth ratio among the gears, the small section displacement of the linkage rack can drive the rotating gear ring to rotate at a high speed, and further the grinding ring, the polishing ring and the cleaning ring are driven to rotate at a high speed, so that the inner steel pipe is ground and polished clean while being loaded, and the adhesion degree between the foam plastic outer layer and the inner steel pipe is improved.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a cross-sectional view of an accelerator according to the present invention;

FIG. 3 is an enlarged view of detail A of FIG. 2 according to the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is an enlarged view of detail B of FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of the rust removing mechanism of the present invention;

FIG. 7 is an internal cross-sectional view of the present invention;

fig. 8 is an enlarged view of detail C of fig. 7 according to the present invention.

In the figure: 1. a fixed block; 2. a connecting bridge; 3. closing the die and hydraulic jacking; 4. an outer layer of foam plastic; 5. an electric heating template; 6. a linkage rack; 7. a particle injection tube; 8. an accelerator; 9. a linkage disk; 10. extruding the sleeve; 11. extruding the hydraulic jack; 12. rotating the sleeve; 13. rotating the gear ring; 14. an inner steel tube; 15. a first gear; 16. a first bevel gear; 17. a second bevel gear; 18. a second gear; 19. grinding a ring; 20. polishing the aperture; 21. cleaning the ring; 22. a slag dredging groove; 23. a connecting strip; 24. blowing the hot air to the groove; 25. a hot air duct slot; 26. a polishing agent groove; 27. polishing agent pipe groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A pipeline foam plastic outer layer rust removal and pressing integrated device comprises a pair of fixed blocks 1, a connecting bridge 2 is connected between the tops of the pair of fixed blocks 1, a plurality of combined die hydraulic jacks 3 are fixed through the fixed blocks 1, two groups of fixed blocks 1 are fixed by the connecting bridge 2, so that the device is integrally hoisted into a workshop, a plurality of combined die hydraulic jacks 3 are arranged inside the fixed blocks 1, an electric heating template 5 is arranged at the output end of the combined die hydraulic jack 3, the electric heating template 5 is pushed by the combined die hydraulic jack 3 to be matched with a foam plastic outer layer 4 and an extrusion sleeve 10 which are completed firstly, the electric heating template 5, the foam plastic outer layer 4 and the extrusion sleeve 10 form a processing cavity of foam plastic, an extrusion hydraulic jack 11 penetrates through the inside of the fixed blocks 1, the extrusion hydraulic jack 11 drives a linkage disc 9, the extrusion sleeve 10 is further driven to move towards the inside of the electric heating template 5, so as to extrude foam plastic particles, the density of foam plastic particles is improved, the quality of finished products is further improved, an output end of an extrusion hydraulic jack 11 is provided with a linkage disc 9, the linkage disc 9 is driven by the extrusion hydraulic jack 11 to move, an extrusion sleeve 10 is driven to move when the linkage disc 9 is driven by the extrusion hydraulic jack 11, one end of the linkage disc 9 close to an electric heating template 5 is provided with the extrusion sleeve 10 matched with the linkage disc, the extrusion sleeve 10 is driven by the linkage disc 9 and pushes the foam plastic particles into the electric heating template 5 in machining, the foam plastic particles are extruded, the extrusion sleeve 10 is internally and rotatably connected with a rust removal mechanism, rust removal is carried out through the rust removal mechanism, one end of a connecting bridge 2 is provided with a linkage rack 6, an accelerator 8 matched with the linkage rack 6 and the rust removal mechanism is arranged outside the linkage disc 9, and the rust removal mechanism is driven to operate through the linkage rack 6 and the accelerator 8.

Referring to fig. 3, 4 and 6, the derusting mechanism includes a first gear 15, a first bevel gear 16, a second bevel gear 17, a second gear 18, a rotating sleeve 12, a rotating gear ring 13, a polishing ring 19, a polishing ring 20, a cleaning ring 21 and a connecting strip 23, the rotating sleeve 12 is rotatably connected inside the extruding sleeve 10, when the extruding hydraulic ram 11 drives the linkage disk 9 to retreat and reset, the rotating gear ring 13 is driven to rotate by the accelerator 8, the rotating sleeve 12 is further driven to rotate, so as to drive the polishing ring 19, the polishing ring 20, the cleaning ring 21 and the connecting strip 23 connected with the rotating sleeve 12 to rotate, the polishing ring 19 rotatably connected with the extruding sleeve 10 is arranged at one end of the rotating sleeve 12 extending into the extruding sleeve 10, the polishing ring 19 rotates while the inner steel pipe 14 moves relative to the inner steel pipe 14, the surface of the inner steel pipe 14 is polished and derusted by the high-speed rotation of the polishing ring 19, the polishing ring 19 is connected with a polishing ring 20 and a cleaning ring 21 through a plurality of groups of connecting strips 23, the surface layer of the inner steel tube 14 is polished when the polishing ring 20 rotates, the surface cleanliness of the inner steel tube 14 is improved, and the surface of the inner steel tube 14 is cleaned before being processed by the cleaning ring 21.

Referring to fig. 5 and 8, a plurality of polishing agent grooves 26 and hot air blowing grooves 24 are formed in the connecting strip 23 inside the extrusion sleeve 10, when rust removal is started, a polishing agent is sprayed on the surface of the inner steel tube 14 through the polishing agent grooves 26, so that the rust removal effect of the polishing ring 19 and the polishing ring 20 is improved, high-pressure hot air is applied to the surface of the inner steel tube 14 through the hot air blowing grooves 24 after polishing, cleaning before processing is completed by matching with the cleaning ring 21, polishing agent pipe grooves 27 matched with the polishing agent grooves 26 penetrate through the extrusion sleeve 10, the polishing agent is conveyed to the polishing agent grooves 26 through the polishing agent pipe grooves 27, hot air pipe grooves 25 matched with the hot air blowing grooves 24 penetrate through the extrusion sleeve 10, and during polishing, the high-pressure hot air is conveyed to the hot air blowing grooves 24 through the hot air pipe grooves 25.

Referring to fig. 3 and 4, a rotating ring gear 13 is disposed outside one end of the rotating sleeve 12 extending to the outside of the pressing sleeve 10, and the rotating sleeve 12 is connected to the accelerator 8 through the rotating ring gear 13.

Referring to fig. 6, a plurality of slag dredging grooves 22 are formed in the inner walls of the polishing ring 19 and the polishing ring 20, when polishing, a mixed polishing agent of slag and scraps generated by polishing is blown out by high-pressure hot air through the slag dredging grooves 22, so that the cleaning effect is prevented from being influenced by accumulation of the slag and scraps, an inclined structure is arranged on the inner wall of the polishing ring 19, the polishing ring 19 is adapted to rust layers with different thicknesses through the inclined structure, and the rust layers are gradually polished into chips.

Referring to fig. 3, a first gear 15 engaged with the linkage rack 6 is rotatably connected inside the accelerator 8, the first gear 15 is driven by the linkage rack 6 to further drive a first bevel gear 16, and a second gear 18 is driven by the engagement of a second bevel gear 17 and the first bevel gear 16 to drive the rotation gear ring 13 to rotate, the first gear 15 is connected with the first bevel gear 16 through a shaft, the rotation speed is increased by the difference between the diameter and the gear ratio of the first bevel gear 16 and the first gear 15, the second bevel gear 17 engaged with the first bevel gear 16 is rotatably connected inside the accelerator 8, the rotation speed is increased by the difference between the diameter and the gear ratio of the first bevel gear 16 and the second bevel gear 17, the second bevel gear 17 is connected with the second gear 18 engaged with the rotation gear ring 13 through a shaft, after the rotation speed is increased, the rotation gear ring 13 is driven to rotate at a high speed by the second gear 18, thereby causing the rotating sleeve 12 to rotate rapidly.

Referring to fig. 1, a particle injection pipe 7 is arranged at the top of an electric heating template 5, foam plastic particles are injected into the electric heating template 5 through the arranged particle injection pipe 7, an inner steel pipe 14 penetrates through sliding pipes in the electric heating template 5 and an extrusion sleeve 10, and the inner steel pipe 14 serves as an inner foam plastic particle template, so that the processing is completed.

Referring to the drawing, the outer layer 4 of the foamed plastic is arranged on the outer side of one end of the inner steel tube 14, and the number of the templates is saved by using the arranged outer layer 4 of the foamed plastic as the first section of the post-processing section.

The working principle of the invention is as follows: firstly, an external power supply is switched on, a multi-combination die hydraulic ram 3 is fixed through a fixing block 1, two groups of fixing blocks 1 are fixed through a connecting bridge 2, so that the equipment is integrally hoisted into a workshop, a polishing agent is lapped with a polishing agent pipe groove 27 through an external pipeline, high-pressure hot air is guided into a hot air blowing groove 24 through a hot air pipe groove 25, an inner steel pipe 14 is fixed through feeding equipment and penetrates into an extrusion sleeve 10 and an electric heating die plate 5, a linkage disc 9 is pushed by an extrusion hydraulic ram 11 to retreat and reset to enter a state to be processed, at the moment, a linkage rack 6 moves inside an accelerator 8, a first gear 15 is driven by a linkage rack 6 to further drive a first bevel gear 16, a second gear 18 is driven by utilizing the fit of the second bevel gear 17 and the first bevel gear 16, a rotary gear ring 13 is driven to rotate, and the matching of the diameter and the tooth ratio among the gears is utilized, the rotation is accelerated, so that a small displacement of the linkage rack 6 can drive the rotary gear ring 13 to rotate at a high speed, further the polishing ring 19, the polishing ring 20 and the cleaning ring 21 are driven to rotate at a high speed, meanwhile, the inner steel pipe 14 passes through the polishing ring 19, the polishing ring 20 and the cleaning ring 21 under the pushing of a feeding device, at the moment, along with the retreating of the linkage disk 9 and the entering of the inner steel pipe 14, the polishing ring 19, the polishing ring 20 and the cleaning ring 21 slowly move while rotating at a high speed at the outer side of the inner steel pipe 14, at the moment, the derusting work is started, polishing agents are conveyed to the polishing agent groove 26 through the polishing agent pipe groove 27, the polishing agents are sprayed on the surface of the inner steel pipe 14 through the polishing agent groove 26, the derusting effect of the polishing ring 19 and the polishing ring 20 is improved, high-pressure hot air is applied to the surface of the inner steel pipe 14 through the hot air blowing groove 24 after polishing, further the cleaning ring 21 is matched to finish the cleaning before the processing, and during the polishing, the mixed polishing agent of the slag scraps generated by polishing is blown out by high-pressure hot air through the slag dredging groove 22, the cleaning effect is prevented from being influenced by the accumulation of the slag scraps, the polishing ring 19 is made to adapt to rust layers with different thicknesses by utilizing an inclined structure, the rust layers are gradually polished into chips, the inner steel pipe 14 is polished and polished while being fed, so that the bonding degree between the foam outer layer 4 and the inner steel pipe 14 is improved, after the cleaned steel pipe enters a station of the electric heating template 5, the electric heating template 5 is pushed to be matched with the foam outer layer 4 and the extrusion sleeve 10 which are completed in advance through the die assembly hydraulic jack 3, at the moment, the foam particles are injected into a cavity formed by the electric heating template 5, the foam outer layer 4 and the extrusion sleeve 10 through the particle injection pipe 7, the linkage disc 9 is driven by the extrusion hydraulic jack 11, the extrusion sleeve 10 is further driven to move towards the inside of the electric heating template 5, so that the foam particles are extruded, and the density of the foam particles is improved, and then improve finished product quality, the step is repeated after processing can carry out the outer 4 processing of lasting bubble plastics, when grinding ring 19, polishing ring 20 and clean circle 21 appear wearing and tearing, take out rotating sleeve 12, can take out grinding ring 19, polishing ring 20 and clean circle 21 together, take out the screw of grinding ring 19, polishing ring 20 and between clean circle 21 and connecting strip 23 and demolish, can carry out the part change, insert its whole inside extrusion sleeve 10 after the change and can continue to use.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. The utility model provides an outer rust cleaning of pipeline foam plastics suppression integration equipment, includes a pair of fixed block (1), its characterized in that: it is a pair of be connected with between fixed block (1) top and connect bridge (2), fixed block (1) inside is provided with many composite mold hydraulic ram (3), compound die hydraulic ram (3) output is provided with electric heat template (5), fixed block (1) is inside to run through there is extrusion hydraulic ram (11), extrusion hydraulic ram (11) output is provided with linkage disk (9), linkage disk (9) are close to electric heat template (5) one end is provided with rather than complex extrusion sleeve (10), extrusion sleeve (10) internal rotation is connected with rust cleaning mechanism, it is provided with linkage rack (6) to connect bridge (2) one end, the linkage disk (9) outside be provided with linkage rack (6) and rust cleaning mechanism complex accelerator (8).

2. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 1, which is characterized in that: the rust removing mechanism comprises a first gear (15), a first bevel gear (16), a second bevel gear (17), a second gear (18), a rotating sleeve (12), a rotating gear ring (13), a polishing ring (19), a polishing ring (20), a cleaning ring (21) and a connecting strip (23), wherein the extruding sleeve (10) is internally and rotatably connected with the rotating sleeve (12), the rotating sleeve (12) extends to one end inside the extruding sleeve (10) and is provided with the polishing ring (19) rotatably connected with the extruding sleeve (10), and the polishing ring (19) is connected with the polishing ring (20) and the cleaning ring (21) through a plurality of groups of the connecting strip (23).

3. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 2, which is characterized in that: a plurality of polishing agent grooves (26) and hot air blowing grooves (24) are formed in the connecting strip (23) in the extrusion sleeve (10), polishing agent pipe grooves (27) matched with the polishing agent grooves (26) penetrate through the extrusion sleeve (10), and hot air pipe grooves (25) matched with the hot air blowing grooves (24) penetrate through the extrusion sleeve (10).

4. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 2, which is characterized in that: and a rotating gear ring (13) is arranged on the outer side of one end, extending to the outer side of the extrusion sleeve (10), of the rotating sleeve (12).

5. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 2, which is characterized in that: the inner walls of the polishing ring (19) and the polishing ring (20) are provided with a plurality of groups of slag dredging grooves (22), and the inner wall of the polishing ring (19) is provided with an inclined structure.

6. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 4, which is characterized in that: the accelerator is characterized in that a first gear (15) matched with the linkage rack (6) is rotatably connected inside the accelerator (8), the first gear (15) is connected with a first bevel gear (16) through a shaft, a second bevel gear (17) matched with the first bevel gear (16) is rotatably connected inside the accelerator (8), and the second bevel gear (17) is connected with a second gear (18) matched with the rotary gear ring (13) through a shaft.

7. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 1, which is characterized in that: the top of the electric heating template (5) is provided with a particle injection pipe (7), and the electric heating template (5) and the sliding pipe inside the extrusion sleeve (10) are penetrated with an inner steel pipe (14).

8. The pipeline foam plastic outer layer rust removing and pressing integrated equipment as claimed in claim 7, is characterized in that: and a foam plastic outer layer (4) is arranged on the outer side of one end of the inner steel pipe (14).