CN118003539A - Processing method of super wear-resistant steel-lined polyurethane composite pipe - Google Patents

Abstract

The invention relates to the technical field of steel lining polyurethane composite pipe processing, in particular to a processing method of a super wear-resistant steel lining polyurethane composite pipe, and in particular relates to processing equipment of the super wear-resistant steel lining polyurethane composite pipe. The invention adopts the combination extrusion and shaping of the outer side surface of the outer sleeve by matching the rolling beads and the pressing plates, simultaneously, the rolling beads and the pressing plates can move left and right along with the moving rod to extrude and shape the outer side surface of the outer sleeve in a mode of being mixed with the moving rod to move left and right in the rotating process, and the extrusion and shaping effects of the outer side surface of the outer sleeve are increased by frequent left and right movement.

Description

Processing method of super wear-resistant steel-lined polyurethane composite pipe

Technical Field

The invention relates to the technical field of steel lining polyurethane composite pipe processing, in particular to a processing method of a super wear-resistant steel lining polyurethane composite pipe.

Background

The super wear-resistant steel lining polyurethane composite pipe is a pipeline combining super wear-resistant materials and polyurethane composite materials, and has very excellent wear resistance and corrosion resistance. Such composite pipes are commonly used in industrial applications for delivering high-velocity fluids, particulate matter, or abrasive media, which can effectively extend the service life of the pipe and reduce maintenance costs. The super wear-resistant steel lining polyurethane composite pipe is generally composed of a polyurethane layer, an outer sleeve and a lining super wear-resistant lining.

In the existing processing process, the steel-lined polyurethane composite pipe is generally processed in a manner of respectively positioning the lining steel pipe and the outer sleeve and filling the polyurethane layer. Although the processing method can quickly combine the lining steel pipe, the outer sleeve and the polyurethane layer, the use of the steel lining polyurethane composite pipe is inevitably influenced by the deviation of the size of the processed steel lining polyurethane composite pipe caused by inaccuracy in the process of respectively positioning the lining steel pipe and the outer sleeve; in addition, the corrosion resistance of the processed steel-lined polyurethane composite pipe is affected due to uneven distribution in the filling process of the polyurethane layer; in addition, the middle part of the outer sleeve is deformed due to extrusion of the middle part of the outer sleeve in the filling process of the polyurethane layer, so that the size of the finished steel-lined polyurethane composite pipe is affected.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme: the processing method of the super wear-resistant steel lining polyurethane composite pipe specifically comprises the following steps: s1, preparing a lining steel pipe and an outer sleeve: and cutting, chamfering and polishing the lining steel pipe according to the required size, and simultaneously cutting and trimming the outer sleeve.

S2, preparing a polyurethane material: polyurethane materials are prepared according to the required material proportion.

S3, installing lining steel pipes and outer sleeves: and the lining steel pipe and the outer sleeve are installed and positioned simultaneously through the positioning mechanism.

S4, filling and shaping polyurethane materials: and filling the polyurethane material prepared in advance between the lining steel pipe and the outer sleeve through a positioning mechanism, and shaping the middle part of the outer sleeve in the filling process through a shaping mechanism.

S5, curing: and curing the inner lining steel pipe and the outer sleeve pipe filled with the polyurethane material in an oven baking mode to obtain the processed steel lining polyurethane composite pipe.

The processing method of the super wear-resistant steel lining polyurethane composite pipe adopting the steps S1-S5 further specifically relates to processing equipment of the super wear-resistant steel lining polyurethane composite pipe in the process of processing the super wear-resistant steel lining polyurethane composite pipe, and the processing equipment comprises a processing area plate, wherein the left end and the right end of the top of the processing area plate are respectively fixed with a supporting plate, the left side face of the right supporting plate is fixedly provided with a pushing mechanism, the right side face of the left supporting plate and the left end of the pushing mechanism are respectively fixedly provided with a positioning mechanism, and a plurality of groups of shaping mechanisms are circumferentially and uniformly arranged between the two positioning mechanisms.

The pushing mechanism comprises a cylinder fixed on the left side surface of the right supporting plate, and a pushing plate is fixed at the pushing end of the cylinder; the positioning mechanism comprises a collecting column fixed on the right side surface of the left supporting plate or the left end of the pushing mechanism, and an outer sleeve positioning member, a closed loop positioning member and a lining steel tube positioning member are sequentially arranged on the side surface of the collecting column from a position close to the fixed end to a position far from the fixed end; the closed ring positioning component comprises a recessed ring groove arranged on the outer side of the collecting column, positioning threads are arranged in the recessed ring groove, a rotating ring is arranged on the positioning threads in a threaded fit mode, and a moving ring is rotatably arranged on one side, away from the fixed end of the collecting column, of the rotating ring.

The movable ring is arranged on the inner side of the movable ring, far from the fixed end of the movable ring, a cross through groove is formed in one side of the movable ring, far from the fixed end of the movable ring, track blocks are arranged at positions, corresponding to the cross through groove, of the outer side of the movable ring, positioning square columns are connected in each track block in a sliding mode, connecting rods are hinged between one ends, far from the fixed end of the movable ring, of the positioning square columns, one ends, far from the fixed end of the movable ring, of the movable ring are provided with sealing rings, and a plurality of round holes used for introducing polyurethane materials are uniformly formed in the sealing rings in the circumferential direction; the shaping mechanism is arranged between the positioning sliding sleeves at corresponding positions in the two positioning mechanisms, and the shaping mechanism is used for shaping the outer sleeve.

Further, a rotary power component is further arranged on the positioning mechanism on the right side, the rotary power component comprises a rotary motor arranged on the left side surface of the pushing plate through a motor box, a cylindrical rod is fixed at the output end of the rotary motor, and a power gear is arranged at the left end of the cylindrical rod; the right side face of the rotating disc of the positioning mechanism at one end of the pushing mechanism is fixedly provided with a transmission gear which is in inner engagement with the power gear.

Further, the outer sleeve positioning member is including rotating the rolling disc of installing in the collection post side and being located between collection post stiff end and the recessed ring groove, and rolling disc side circumference evenly is fixed with a plurality of epitaxial poles, all overlaps on every epitaxial pole and is equipped with rather than sliding fit's location sliding sleeve, and the rolling disc is kept away from the concentric center ring of installing of side of collection post stiff end, all articulates between center ring and every location sliding sleeve has the square pole, and center ring passes through the fixed pin to be fixed on the rolling disc, is fixed with the rotation handle on the center ring.

Further, inside lining steel pipe locating component is including setting up in the collection post and being located the track piece and keep away from the hollow groove of one side of collection post stiff end, on the collection post and be located the hollow groove circumference even sliding connection and stretch the piece, every top is stretched the piece and is close to the one end at hollow groove center and all is provided with the atress inclined plane, every top is stretched the piece and is kept away from the one end of collection post and all is fixed with the arc, the collection post is interior and be located the hollow groove and be close to the lateral wall of track piece and be provided with the through-hole, sliding connection has the intercommunication pole in the through-hole, the one end that the collection post stiff end was kept away from to the intercommunication pole is fixed with the promotion round platform, the one end that the intercommunication pole is close to the collection post stiff end is fixed with the vertical pole that is pushed with collection post sliding connection.

Further, every the top extends the piece left and right sides and all symmetrically is fixed with and violently extends the board, and the collection post corresponds the position of violently extending the board and all is provided with the groove of stepping down, violently extends the board and step down to be fixed with reset spring between the lateral wall that the groove is close to hollow groove.

Further, plastic mechanism is including fixing the fixed square pole at left location sliding sleeve right flank, and fixed square pole middle part is flexible regulation structure, and fixed square pole right flank is fixed with square sleeve pipe, and square sleeve pipe is embedded to have rather than sliding connection's movable rod, and the movable rod right-hand member is fixed with the butt joint cover piece, and the butt joint cover piece cover is established on the butt joint embedded piece of fixing at the location sliding sleeve left flank on right side, is located square sleeve pipe right-hand member on the movable rod and is fixed with the baffle plate, and square sleeve pipe right-hand member is provided with the holding tank that is used for holding the baffle plate, is fixed with the right push spring between holding tank left wall and the baffle plate left surface.

Further, the vertical sliding connection in square sleeve left end has the push rod, and the push rod top corresponds with the carriage release lever left end and is provided with the inclined plane, and the one end that the push rod is close to the collection post is fixed with spacing dish, is fixed with spacing spring between spacing dish and the side that square sleeve is close to the collection post, and every location square post in left side all is fixed with the cooperation sloping block on the side that spacing dish is close to the collection post.

Further, every the movable rod is close to the side of collection post and all is fixed with interior extension board, and interior extension board is close to the side of collection post and evenly is provided with a plurality of roll extrusion pearls, and the side along the rolling disc direction of rotation all articulates on every interior extension board has the clamp plate, and the articulated department of every clamp plate all is provided with the torsional spring, and torsional spring control clamp plate is to collection post direction pressure and moves.

The invention has the beneficial effects that: 1. the invention adopts the positioning mechanism to accurately position the lining steel pipe, the closed ring, the outer sleeve and the shaping mechanism through the lining steel pipe positioning component, the closed ring positioning component and the outer sleeve positioning component in sequence, wherein the closed ring positioning component is used for positioning and installing the closed ring, so that the closed ring can stabilize and position the outer sleeve while blocking the lining steel pipe and the outer sleeve to prevent filled polyurethane materials from overflowing, the outer sleeve positioning component can position the shaping mechanism according to the size of the outer sleeve, and the shaping mechanism can synchronously rotate through the rotation of the rotating disc, thereby shaping and extruding the outer side surface of the outer sleeve.

2. According to the invention, the sealing rings with different sizes are quickly installed through the jogged matching of the positioning convex blocks and the positioning concave blocks, so that the sealing rings are suitable for lining steel pipes and outer sleeves with different sizes, the sealing and outer sleeve positioning effects are improved, the sealing rings can stabilize and position the outer sleeve while the lining steel pipes and the outer sleeves are blocked to prevent filled polyurethane materials from overflowing, and in addition, the plurality of round holes arranged on the sealing rings can facilitate the uniform introduction of the polyurethane materials.

3. The invention adopts the rotary power component to provide the power for the rotation of the rotary disc, so that the rotary disc on the right side drives the shaping mechanism to synchronously rotate in cooperation with the rotary disc on the left side, the power gear and the transmission gear are matched to rotate, and the advancing speed of the shaping mechanism along the outer side surface of the outer sleeve is reduced because the power gear is far smaller than the transmission gear, and the shaping mechanism can fully extrude and shape the outer sleeve.

4. The shaping mechanism is used for extrusion shaping of the outer side surface of the outer sleeve, the shaping mechanism can be driven to integrally rotate through the rotation of the rotating disc after the butt joint of the butt joint inner embedded block and the butt joint sleeve block is completed, meanwhile, the moving rod can shake left and right in the process of advancing along the outer side surface of the outer sleeve under the dual actions of pushing of the push rod and the right push spring in the rotating process, so that the extrusion and shaping effects are improved, the shaping coverage range is increased, and in addition, the polyurethane layer can be distributed more uniformly after being extruded through the extrusion and shaping of the shaping mechanism.

5. The invention adopts the combination extrusion and shaping of the outer side surface of the outer sleeve by matching the rolling beads and the pressing plates, wherein the pressing plates continuously press the outer side surface of the outer sleeve under the action of the torsion springs, and simultaneously, the rolling beads and the pressing plates can both extrude and shape the outer side surface of the outer sleeve in a mode of being mixed with left and right movement in the rotating process along with the left and right movement of the moving rod, and the extrusion and shaping effects of the outer side surface of the outer sleeve are increased by frequent left and right movement.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a flow chart of a method for processing a super wear-resistant steel-lined polyurethane composite pipe.

Fig. 2 is a schematic structural view of the present invention.

Fig. 3 is a schematic structural view of the pushing mechanism and the positioning mechanism on the right side in the present invention.

Fig. 4 is a schematic view of the structure of the assembly column and lining steel tube positioning member of the present invention.

Fig. 5 is a partial cross-sectional view of a packing post and lined steel pipe locating member of the present invention.

FIG. 6 is a partial cross-sectional view of the collective column and the closed loop positioning member of the present invention.

FIG. 7 is a schematic view of the structure of the assembly post and outer sleeve positioning member of the present invention.

FIG. 8 is a schematic view of the structure of the assembly post, outer sleeve positioning member and rotary power member of the present invention.

Fig. 9 is a partial enlarged view at a in fig. 8.

Fig. 10 is a schematic view of the left positioning mechanism and part of the shaping mechanism of the present invention.

Fig. 11 is a partial cross-sectional view of a square sleeve and a fixed square bar in the present invention.

Fig. 12 is a schematic view of the structure of the moving rod and the inner extension plate in the present invention.

In the figure: 1. processing the regional plate; 11. a slide rail; 2. a support plate; 3. a pushing mechanism; 31. a cylinder; 32. a pushing plate; 33. stabilizing the vertical rod; 4. a positioning mechanism; 41. collecting columns; 411. a relief groove; 42. an outer sleeve positioning member; 421. a rotating disc; 422. an extension rod; 423. positioning a sliding sleeve; 424. a center ring; 425. square rods; 426. a transmission gear; 43. a closed loop positioning member; 431. positioning threads; 432. a rotating ring; 433. a moving ring; 434. a track block; 435. positioning square columns; 436. a connecting rod; 437. a closed loop; 44. lining a steel tube positioning member; 441. a hollow groove; 442. a top extension block; 443. an arc-shaped plate; 444. a communication rod; 445. pushing the round table; 446. a pushed vertical rod; 447. a transverse extension plate; 45. rotating the power member; 451. a rotating electric machine; 452. a cylindrical rod; 453. a power gear; 46. positioning the protruding blocks; 461. positioning the concave block; 5. shaping mechanism; 51. fixing the square rod; 52. a square sleeve; 521. a moving rod; 522. a butt joint sleeve block; 523. abutting the embedded blocks; 524. a blocking disk; 525. a receiving groove; 526. a push rod; 527. a limiting disc; 528. matching with an inclined block; 53. an inner extension plate; 531. rolling the beads; 532. and (5) pressing plates.

Detailed Description

Embodiments of the present invention are described in detail below. The following examples are illustrative only and are not to be construed as limiting the invention. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product.

Referring to fig. 1-2, a processing method of a super wear-resistant steel lining polyurethane composite pipe specifically comprises the following steps: s1, preparing a lining steel pipe and an outer sleeve: and cutting, chamfering and polishing the lining steel pipe according to the required size, and simultaneously cutting and trimming the outer sleeve.

S2, preparing a polyurethane material: polyurethane materials are prepared according to the required material proportion.

S3, installing lining steel pipes and outer sleeves: first, the lining steel pipe, the closed ring 437, the outer sleeve and the shaping mechanism 5 are accurately positioned in sequence by the lining steel pipe positioning member 44, the closed ring positioning member 43 and the outer sleeve positioning member 42 in the positioning mechanism 4, respectively.

S4, filling and shaping polyurethane materials: after the lining steel pipe, the closed ring 437, the outer sleeve and the shaping mechanism 5 are positioned, the polyurethane material prepared in advance is filled between the lining steel pipe and the outer sleeve through a plurality of round holes formed in the closed ring 437, then the rotating motor 451 is controlled to drive the power gear 453 to rotate, at the moment, the rotating disc 421 on the right side can drive the shaping mechanism 5 to rotate together, and the rolling beads 531 and the pressing plates 532 arranged on the moving rod 521 can squeeze and shape the outer side surface of the outer sleeve in a manner of being mixed with left and right movement in the rotating process.

S5, curing: and curing the inner lining steel pipe and the outer sleeve pipe filled with the polyurethane material in an oven baking mode to obtain the processed steel lining polyurethane composite pipe.

With continued reference to fig. 1-2, the processing method of the super wear-resistant steel-lined polyurethane composite pipe adopting the steps S1-S5 further specifically relates to processing equipment of the super wear-resistant steel-lined polyurethane composite pipe in the process of processing the super wear-resistant steel-lined polyurethane composite pipe, and the processing equipment comprises a processing area plate 1, wherein the left end and the right end of the top of the processing area plate 1 are both fixed with a supporting plate 2, the left side surface of the right supporting plate 2 is fixed with a pushing mechanism 3, the right side surface of the left supporting plate 2 and the left end of the pushing mechanism 3 are both fixed with positioning mechanisms 4, and a plurality of groups of shaping mechanisms 5 are uniformly arranged between the two positioning mechanisms 4 in the circumferential direction. The device can carry out the accurate positioning through positioning mechanism 4 to inside lining steel pipe and outer tube for the size and the shape of the steel lining polyurethane composite pipe that the production was accomplished satisfy the demand, carry out polyurethane material's packing through the part that sets up in positioning mechanism 4 afterwards, carry out the plastic in middle part and extrude outer sheathed tube lateral surface through plastic mechanism 5 when filling, thereby prevent that the outer tube from taking place deformation owing to inside polyurethane material's packing, and then avoid influencing the outside size of the steel lining polyurethane composite pipe that the production was accomplished because of the change of outer tube size and influence the condition that installs and use appear.

Specifically, the pushing mechanism 3 is controlled to move the right positioning mechanism 4 to the right and ensure to move to the rightmost side, then the pre-sleeved lining steel pipe and the pre-sleeved outer sleeve are pre-installed through the left positioning mechanism 4, and then the right positioning mechanism 4 is pushed to the left through the right pushing mechanism 3, so that the right and left positioning mechanisms 4 accurately position the lining steel pipe and the outer sleeve, and then polyurethane materials are filled through the conveying pipe matched with components arranged on the positioning mechanisms 4, and the plurality of groups of shaping mechanisms 5 are controlled to simultaneously rotationally squeeze and shape the outer sleeve at the same time when the polyurethane materials are filled.

Referring to fig. 2-3, the positioning mechanism 4 includes a collecting column 41 fixed on the right side surface of the support plate 2 on the left side or the left end of the pushing mechanism 3, and an outer sleeve positioning member 42, a closed loop positioning member 43 and a lining steel tube positioning member 44 are sequentially arranged on the side surface of the collecting column 41 from a position close to the fixed end to a position far from the fixed end. The positioning mechanism 4 can accurately position the lining steel pipe, the closed ring 437, the outer sleeve and the shaping mechanism 5 through the lining steel pipe positioning member 44, the closed ring positioning member 43 and the outer sleeve positioning member 42 in sequence, and the centers of the lining steel pipe, the closed ring 437, the outer sleeve and the shaping mechanism 5 are always coincident in a concentric positioning mode, so that the shaping effect of the shaping mechanism 5 is improved.

Referring to fig. 4-5, the lining steel tube positioning member 44 includes a hollow groove 441 disposed in the collecting column 41 and located at a side of the track block 434 away from the fixed end of the collecting column 41, a pushing block 442 is uniformly slidably connected on the collecting column 41 and located in the circumferential direction of the hollow groove 441, a pushing inclined plane is disposed at one end of each pushing block 442 close to the center of the hollow groove 441, an arc plate 443 is fixed at one end of each pushing block 442 away from the collecting column 41, a through hole is disposed in the collecting column 41 and located at a side wall of the hollow groove 441 close to the track block 434, a communication rod 444 is slidably connected in the through hole, a pushing round table 445 is fixed at one end of the communication rod 444 away from the fixed end of the collecting column 41, and a pushing vertical rod 446 slidably connected with the collecting column 41 is fixed at one end of the communication rod 444 close to the fixed end of the collecting column 41. The lining steel pipe positioning member 44 is used for positioning the lining steel pipe, and the pushing vertical rod 446 is blocked by the wall of the lining steel pipe to push the top extension block 442 to drive the arc plate 443 to position the inner wall of the lining steel pipe.

Specifically, firstly, the lining steel pipe sleeved with the outer sleeve is pushed leftwards, so that the pipe wall of the lining steel pipe pushes the pushed vertical rod 446, at the moment, the pushed vertical rod 446 drives the communication rod 444 and pushes the round table 445 to move leftwards, at the moment, the round table 445 pushes each top extension block 442, meanwhile, the arc plate 443 is driven to squeeze and position the inner wall of the lining steel pipe through the pushing of the top extension blocks 442, and then the right pipe orifice of the lining steel pipe is positioned through the pushing mechanism 3 on the right side pushing the lining steel pipe positioning member 44 on the right side.

In order to avoid the blocking of the closed-loop positioning member 43 by the push vertical rod 446, as shown in fig. 5, a telescopic adjustment structure is required to be provided on the push vertical rod 446, so that the push vertical rod 446 can be adjusted in length according to the specific lining steel pipe size.

Referring to fig. 5, lateral extension plates 447 are symmetrically fixed on the left and right sides of each top extension block 442, the positions of the collecting columns 41 corresponding to the lateral extension plates 447 are respectively provided with an abdication slot 411, and a reset spring is fixed between the lateral extension plates 447 and the side walls of the abdication slots 411, which are close to the hollow slots 441. The setting of reset spring makes the top stretch piece 442 can resume initial position to can repeat fast and fix a position the inside lining steel pipe, and then increase work efficiency.

Referring to fig. 6, the closed ring positioning member 43 includes a recessed ring groove disposed outside the collecting post 41, a positioning thread 431 is disposed in the recessed ring groove, a rotating ring 432 is mounted on the positioning thread 431 in a threaded fit manner, and a moving ring 433 is rotatably mounted on one side of the rotating ring 432 away from the fixed end of the collecting post 41; the one side that is located movable ring 433 in the collection post 41 and keeps away from collection post 41 stiff end is provided with the cross and leads to the groove, the position that the collection post 41 outside corresponds the cross and leads to the groove all is provided with track piece 434, all sliding connection has location square column 435 in every track piece 434, all articulated between the outer annular of one end that location square column 435 is close to the side of collection post 41 stiff end and keep away from collection post 41 and movable ring 433 has connecting rod 436, location square column 435 keeps away from the side of collection post 41 stiff end and keeps away from and install closed ring 437 jointly between the one end of collection post 41, the circumference evenly is provided with a plurality of round holes that are used for letting in polyurethane material on the closed ring 437. The closed loop positioning member 43 is used for positioning and installing the closed loop 437, so that the closed loop 437 can stabilize and position the outer sleeve while blocking the lining steel pipe and the outer sleeve to prevent the filled polyurethane material from overflowing, and in addition, the plurality of round holes formed in the closed loop 437 can facilitate the uniform introduction of the polyurethane material.

Specifically, after the lining steel pipe positioning members 44 on the left and right sides have completed positioning the lining steel pipe, the closing ring 437 is closing the gap between the lining steel pipe and the outer sleeve, and simultaneously the closing ring 437 presses and positions the outer sleeve, and the closing rings 437 on the left and right sides simultaneously position the outer sleeve so as to stabilize the outer sleeve.

In this embodiment, as shown in fig. 6, a positioning bump 46 is fixed at one end of each positioning square column 435 far away from the side surface of the fixed end of the collecting column 41 and far away from the collecting column 41, a positioning concave block 461 is mounted at one end of the positioning bump 46 far away from the positioning square column 435 through fitting, the positioning concave block 461 is fixed with the positioning bump 46 through a fixing nail, and a sealing ring 437 is commonly fixed at one end of all the positioning concave blocks 461 far away from the positioning square column 435. The sealing rings 437 with different sizes can be quickly installed through the jogged fit of the positioning convex blocks 46 and the positioning concave blocks 461 so as to adapt to lining steel pipes and outer sleeves with different sizes, specifically, before machining, the sealing rings 437 need to be replaced according to the sizes of the lining steel pipes and the outer sleeves, the rotating rings 432 are rotated firstly so as to drive the movable rings 433 to move, at the moment, the four positioning square columns 435 can simultaneously move into the cross through grooves or out of the cross through grooves, so that the positions of the four positioning convex blocks 46 can be synchronously adjusted, and then the sealing rings 437 are quickly installed through the jogged of the positioning convex blocks 46 and the positioning concave blocks 461 and sequentially fixed through fixing nails.

Referring to fig. 7-8, the outer sleeve positioning member 42 includes a rotating disc 421 rotatably mounted on a side surface of the collecting column 41 and located between a fixed end of the collecting column 41 and the recessed ring groove, a plurality of extension rods 422 are uniformly fixed on the side surface of the rotating disc 421 in circumferential direction, a positioning sliding sleeve 423 in sliding fit with each extension rod 422 is sleeved on each extension rod 422, a center ring 424 is concentrically rotatably mounted on the side surface of the rotating disc 421 far from the fixed end of the collecting column 41, square rods 425 are hinged between the center ring 424 and each positioning sliding sleeve 423, the center ring 424 is fixed on the rotating disc 421 through fixing pins, and a rotating handle is fixed on the center ring 424. The outer sleeve positioning member 42 is used for positioning the shaping mechanism 5 according to the outer sleeve size, and simultaneously can enable the shaping mechanism 5 to synchronously rotate through rotation of the rotating disc 421, so that shaping and extrusion are performed on the outer side face of the outer sleeve, specifically, before the control pushing mechanism 3 pushes the positioning mechanism 4 on the right side to push left, the center ring 424 rotates, then the center ring 424 drives the positioning sliding sleeve 423 to change positions through the square rod 425, so that all the positioning sliding sleeves 423 synchronously perform position adjustment, the position of the shaping mechanism 5 is changed, and then the center ring 424 is fixed relative to the position of the rotating disc 421 through the fixing pin, so that the position of the shaping mechanism 5 is stable in the rotation process.

Referring to fig. 8-9, the right positioning mechanism 4 is further provided with a rotary power member 45; the rotary power member 45 includes a rotary motor 451 mounted on the left side of the push plate 32 through a motor case, a cylindrical rod 452 is fixed to an output end of the rotary motor 451, and a power gear 453 is mounted on the left end of the cylindrical rod 452; a transmission gear 426 is fixed on the right side surface of the rotating disc 421 of the positioning mechanism 4 at one end of the pushing mechanism 3, and the transmission gear 426 is in inner engagement with a power gear 453. The rotating power member 45 is used for providing the power for rotating the rotating disc 421, so that the rotating disc 421 on the right side drives the shaping mechanism 5 to synchronously rotate in cooperation with the rotating disc 421 on the left side, and the power gear 453 is in rotation transmission through cooperation of the power gear 453 and the transmission gear 426, as shown in fig. 10, the power gear 453 is far smaller than the transmission gear 426, so that the rotating power member 45 can reduce the travelling speed of the shaping mechanism 5 along the outer side surface of the outer sleeve, and the shaping mechanism 5 can fully squeeze and shape the outer sleeve.

Referring to fig. 3, the pushing mechanism 3 includes an air cylinder 31 fixed on the left side surface of the supporting plate 2 on the right side, a pushing plate 32 is fixed at the pushing end of the air cylinder 31, a stable vertical rod 33 is fixed at the bottom of the pushing plate 32, and the stable vertical rod 33 is slidably connected with the sliding rail 11 fixed on the top of the processing area plate 1. The pushing mechanism 3 is used for pushing the right positioning mechanism 4, and stabilizing the right positioning mechanism 4 by stabilizing the vertical rod 33, so that the stability of the positioned lining steel pipe and the outer sleeve is improved.

Referring to fig. 2 and 11-12, the shaping mechanism 5 is disposed between the positioning sliding sleeves 423 in the corresponding positions in the two positioning mechanisms 4; the shaping mechanism 5 comprises a fixed square rod 51 fixed on the right side surface of a left positioning sliding sleeve 423, an adjusting telescopic structure is arranged in the middle of the fixed square rod 51, a square sleeve 52 is fixed on the right side surface of the fixed square rod 51, a movable rod 521 which is in sliding connection with the square sleeve 52 is embedded in the square sleeve 52, a butt joint sleeve block 522 is fixed on the right end of the movable rod 521, the butt joint embedded block 523 fixed on the left side surface of the right positioning sliding sleeve 423 is sleeved on the butt joint sleeve block 522, a blocking disc 524 is fixed on the movable rod 521, an accommodating groove 525 for accommodating the blocking disc 524 is arranged on the right end of the square sleeve 52, a right pushing spring is fixed between the left side wall of the accommodating groove 525 and the left side surface of the blocking disc 524, a push rod 526 is vertically and slidably connected with the left end of the square sleeve 52, an inclined plane is correspondingly arranged on the top end of the push rod 526 close to the left end of the collecting column 41, a limit disc 527 is fixed between the limit disc 527 and the side surface of the square sleeve 52 close to the collecting column 41, a limit spring is fixed on the left side surface of each positioning square column 435 and the side surface close to the limit disc 527 is fixed on the side surface close to the collecting column 41. The shaping mechanism 5 is used for extruding and shaping the outer side surface of the outer sleeve, and the shaping mechanism 5 is driven to integrally rotate through the rotation of the rotating disc 421 after the butt joint of the butt joint embedded block 523 and the butt joint sleeve block 522 is completed, and meanwhile, the moving rod 521 can shake left and right under the dual actions of pushing of the push rod 526 and the right push spring in the process of advancing along the outer side surface of the outer sleeve, so that the extruding and shaping effects are improved, and the shaping coverage range is increased.

Specifically, in the process that the pushing mechanism 3 pushes the positioning mechanism 4 on the right side, the butting inner insert 523 and the butting sleeve 522 are butted, then the rotating motor 451 is controlled to drive the power gear 453 to rotate, at this time, the rotating disc 421 on the right side drives the butting inner insert 523 and the butting sleeve 522 to rotate together, in the rotating process, the push rod 526 is pushed by the matching pushing action of each matching inclined block 528 to move in the direction away from the collecting column 41, so as to push the moving rod 521 to move rightwards, then the moving rod 521 returns to the original position under the action of the right push spring, and in the process, the extrusion and shaping functional piece arranged on the moving rod 521 is extruded and shaped on the outer side surface of the outer sleeve in a mode of being mixed with left and right movement in the rotating process.

Referring to fig. 12, an inner extension plate 53 is fixed on a side surface of each moving rod 521, which is close to the collecting post 41, a plurality of rolling balls 531 are uniformly arranged on a side surface of each inner extension plate 53, which is close to the collecting post 41, a pressing plate 532 is hinged on a side surface of each inner extension plate 53 along a rotation direction of the rotating disc 421, and a torsion spring (not shown in the figure) is arranged at a hinge position of each pressing plate 532, so that the pressing plate 532 is controlled to press towards the collecting post 41 by the torsion spring. The rolling beads 531 and the pressing plate 532 can be used for carrying out combined extrusion and shaping on the outer side surface of the outer sleeve, wherein the pressing plate 532 continuously presses the outer side surface of the outer sleeve under the action of the torsion spring, and meanwhile, the rolling beads 531 and the pressing plate 532 can be used for increasing the extrusion and shaping effects on the outer side surface of the outer sleeve along with the left-right movement of the moving rod 521.

While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention, which is also intended to be covered by the present invention.

Claims (8)

1. The processing method of the super wear-resistant steel-lined polyurethane composite pipe is characterized by specifically comprising the following steps of:

s1, preparing a lining steel pipe and an outer sleeve: cutting, chamfering and polishing the lining steel pipe according to the required size, and simultaneously cutting and trimming the outer sleeve;

S2, preparing a polyurethane material: preparing polyurethane materials according to the required material proportion;

S3, installing lining steel pipes and outer sleeves: the lining steel pipe and the outer sleeve are installed and positioned simultaneously through the positioning mechanism (4);

S4, filling and shaping polyurethane materials: filling a pre-prepared polyurethane material between the lining steel pipe and the outer sleeve through a positioning mechanism (4) and shaping the middle part of the outer sleeve in the filling process through a shaping mechanism (5);

S5, curing: curing the inner lining steel pipe and the outer sleeve pipe filled with the polyurethane material in an oven baking mode to obtain a processed steel lining polyurethane composite pipe;

the processing method of the super wear-resistant steel-lined polyurethane composite pipe adopting the steps S1-S5 also specifically relates to processing equipment of the super wear-resistant steel-lined polyurethane composite pipe in the process of processing the super wear-resistant steel-lined polyurethane composite pipe, and the processing equipment comprises a processing area plate (1), wherein the left end and the right end of the top of the processing area plate (1) are both fixedly provided with support plates (2), the left side surface of the right support plate (2) is fixedly provided with a pushing mechanism (3), the right side surface of the left support plate (2) and the left end of the pushing mechanism (3) are both fixedly provided with positioning mechanisms (4), and a plurality of groups of shaping mechanisms (5) are uniformly arranged between the two positioning mechanisms (4) in the circumferential direction;

The pushing mechanism (3) comprises an air cylinder (31) fixed on the left side surface of the right supporting plate (2), and a pushing plate (32) is fixed at the pushing end of the air cylinder (31); the positioning mechanism (4) comprises a collecting column (41) fixed on the right side surface of the left supporting plate (2) or the left end of the pushing mechanism (3), and an outer sleeve positioning member (42), a closed loop positioning member (43) and a lining steel tube positioning member (44) are sequentially arranged on the side surface of the collecting column (41) from a position close to the fixed end to a position far from the fixed end; the closed ring positioning member (43) comprises a recessed ring groove arranged on the outer side of the collecting column (41), positioning threads (431) are arranged in the recessed ring groove, a rotating ring (432) is arranged on the positioning threads (431) in a threaded fit mode, and a moving ring (433) is rotatably arranged on one side, away from the fixed end of the collecting column (41), of the rotating ring (432);

A cross through groove is formed in one side, far away from the fixed end of the collecting column (41), of the movable ring (433) in the collecting column (41), track blocks (434) are arranged at positions, corresponding to the cross through grooves, of the outer sides of the collecting column (41), positioning square columns (435) are connected in a sliding mode in each track block (434), connecting rods (436) are hinged between one ends, close to the fixed end of the collecting column (41), of the positioning square columns (435) and the outer annular surface of the movable ring (433), and sealing rings (437) are mounted between one ends, far away from the fixed end of the collecting column (41), of the positioning square columns (435) and a plurality of round holes used for introducing polyurethane materials are formed in the sealing rings (437) in a circumferential mode; the shaping mechanism (5) is arranged between the positioning sliding sleeves (423) at corresponding positions in the two positioning mechanisms (4), and the shaping mechanism (5) is used for shaping the outer sleeve.

2. The processing method of the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 1, wherein a rotary power component (45) is further arranged on the positioning mechanism (4) on the right side, the rotary power component (45) comprises a rotary motor (451) arranged on the left side surface of the pushing plate (32) through a motor box, a cylindrical rod (452) is fixed at the output end of the rotary motor (451), and a power gear (453) is arranged at the left end of the cylindrical rod (452); a transmission gear (426) is fixed on the right side surface of the rotating disc (421) of the positioning mechanism (4) at one end of the pushing mechanism (3), and the transmission gear (426) is in inner engagement with the power gear (453).

3. The processing method of the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 1, wherein the outer sleeve positioning member (42) comprises a rotating disc (421) rotatably mounted on the side surface of the collecting column (41) and located between the fixed end of the collecting column (41) and the recessed ring groove, a plurality of extension rods (422) are uniformly fixed on the side surface of the rotating disc (421) in the circumferential direction, positioning sliding sleeves (423) in sliding fit with the extension rods (422) are sleeved on each extension rod (422), a center ring (424) is concentrically rotatably mounted on the side surface, far away from the fixed end of the collecting column (41), of the rotating disc (421), square rods (425) are hinged between the center ring (424) and each positioning sliding sleeve (423), the center ring (424) is fixed on the rotating disc (421) through fixing pins, and a rotating handle is fixed on the center ring (424).

4. The processing method of the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 1, wherein the lining steel pipe positioning member (44) comprises a hollow groove (441) which is arranged in the collecting column (41) and is positioned on one side of the track block (434) away from the fixed end of the collecting column (41), the collecting column (41) is uniformly connected with pushing blocks (442) in a sliding manner in the circumferential direction, one end, close to the center of the hollow groove (441), of each pushing block (442) is provided with a pushing inclined surface, one end, close to the center of the hollow groove (441), of each pushing block (442) is fixedly provided with an arc-shaped plate (443), a through hole is formed in the side wall, close to the track block (434), of each collecting column (41), of each connecting rod (444) is connected with a communicating rod (444) in a sliding manner, one end, close to the fixed end of the collecting column (41), of each communicating rod (444) is fixedly provided with a pushing vertical rod (446) which is connected with the collecting column (41) in a sliding manner.

5. The method for processing the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 4, wherein transverse extension plates (447) are symmetrically fixed on the left side and the right side of each of the jacking blocks (442), a yielding groove (411) is formed in the position, corresponding to the transverse extension plates (447), of the collecting column (41), and a reset spring is fixed between the transverse extension plates (447) and the side wall, close to the hollow groove (441), of the yielding groove (411).

6. The processing method of the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 1, wherein the shaping mechanism (5) comprises a fixed square rod (51) fixed on the right side surface of a positioning sliding sleeve (423) on the left side, the middle part of the fixed square rod (51) is of a telescopic adjusting structure, a square sleeve (52) is fixed on the right side surface of the fixed square rod (51), a moving rod (521) connected with the square sleeve in a sliding mode is embedded in the square sleeve (52), a butt joint sleeve block (522) is fixed on the right end of the moving rod (521), the butt joint sleeve block (522) is sleeved on a butt joint embedded block (523) fixed on the left side surface of the positioning sliding sleeve (423) on the right side, a blocking disc (524) is fixed on the right end of the moving rod (521), an accommodating groove (525) for accommodating the blocking disc (524) is arranged on the right end of the square sleeve (52), and a right pushing spring is fixed between the left side wall of the accommodating groove (525) and the left side surface of the blocking disc (524).

7. The processing method of the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 6, wherein a push rod (526) is vertically and slidably connected to the left end of the square sleeve (52), an inclined surface is correspondingly arranged at the top end of the push rod (526) and the left end of the movable rod (521), a limiting disc (527) is fixed at one end, close to the collecting column (41), of the push rod (526), a limiting spring is fixed between the limiting disc (527) and the side, close to the collecting column (41), of the square sleeve (52), and a matching inclined block (528) is fixed on the side, close to the collecting column (41), of each positioning square column (435) and the limiting disc (527) on the left side.

8. The method for processing the ultra-wear-resistant steel-lined polyurethane composite pipe according to claim 6, wherein the side surface of each movable rod (521) close to the collecting column (41) is fixedly provided with an inner extension plate (53), the side surface of each inner extension plate (53) close to the collecting column (41) is uniformly provided with a plurality of rolling beads (531), the side surface of each inner extension plate (53) along the rotating direction of the rotating disc (421) is hinged with a pressing plate (532), the hinged position of each pressing plate (532) is provided with a torsion spring, and the torsion spring controls the pressing plate (532) to press towards the collecting column (41).