CN112934550B - Method for manufacturing steel-lined polypropylene pipe - Google Patents
Method for manufacturing steel-lined polypropylene pipe Download PDFInfo
- Publication number
- CN112934550B CN112934550B CN202110123738.7A CN202110123738A CN112934550B CN 112934550 B CN112934550 B CN 112934550B CN 202110123738 A CN202110123738 A CN 202110123738A CN 112934550 B CN112934550 B CN 112934550B
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- pipe
- plate
- way pipe
- rotating
- spraying machine
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- -1 polypropylene Polymers 0.000 title claims abstract description 33
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 31
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 81
- 239000004033 plastic Substances 0.000 claims abstract description 64
- 229920003023 plastic Polymers 0.000 claims abstract description 64
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 39
- 238000005498 polishing Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000013502 plastic waste Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 244000309464 bull Species 0.000 description 9
- 241000826860 Trapezium Species 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
- B05B13/0654—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and a treating nozzles being translated through the hollow bodies in a direction essentially parallel to the rotational axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a steel lining polypropylene pipe manufacturing method, which adopts a steel lining polypropylene pipe manufacturing device comprising a bottom plate, a locking frame, a pressing mechanism, a supporting vertical plate, a plastic lining mechanism and a stable vertical plate; the method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps of: s1, treating the surface of a pipe; s2, positioning and clamping the pipe; s3, lining plastic on the pipe; s4, comprehensively lining plastic on the pipe. The invention can solve the following problems in the plastic lining treatment of the existing three-way pipe: when the three-way pipe is lined with plastic, the spraying machine can spray plastic to the outer side of the three-way pipe when the communicating part in the middle of the three-way pipe is sprayed, so that plastic waste is caused, the spraying machine moves in the three-way pipe unstably, the spraying amount of the spraying machine cannot be adjusted, and the three-way pipe needs to be lined with plastic in two steps, so that the processing efficiency of the three-way pipe is low.
Description
Technical Field
The invention relates to the field of pipeline processing, in particular to a method for manufacturing a steel-lined polypropylene pipe.
Background
The steel lining polypropylene pipe is made up by using plastic lining treatment in the steel pipe, so that the pipeline has the mechanical property of steel pipe and corrosion resistance of plastic pipe. The plastic lining pipe can be divided into: steel lined polypropylene pipe, steel lined polyvinyl chloride pipe, steel lined polyethylene pipe, steel lined polyolefin pipe, steel lined polytetrafluoroethylene pipe.
The ordinary steel pipe is comparatively simple and convenient to carry out lining plastic processing, locks its position at first when the three-way pipe carries out lining plastic processing, then through flush coater with plastics spraying on the inner wall of the horizontal end of three-way pipe, later carries out lining plastic processing to its vertical section through another production line, and current three-way pipe carries out lining plastic processing the problem that exists as follows:
1. when the three-way pipe is lined with plastic, the spraying machine can spray the plastic to the outer side of the three-way pipe when spraying is carried out on the communicating part in the middle of the three-way pipe, so that plastic waste is caused, the spraying machine moves unstably in the three-way pipe, and the spraying amount of the spraying machine cannot be adjusted;
2. the three-way pipe needs to be subjected to plastic lining treatment in two steps, so that the processing efficiency of the three-way pipe is low, and the processing mode can cause the deviation of the plastic thickness of the transverse section and the longitudinal section of the three-way pipe.
Disclosure of Invention
In order to solve the problems, the invention provides a steel lining polypropylene pipe manufacturing method, which adopts a steel lining polypropylene pipe manufacturing device, the steel lining polypropylene pipe manufacturing device comprises a bottom plate, a locking frame, a pressing mechanism, a supporting vertical plate, a lining plastic mechanism and a stable vertical plate, two locking frames are distributed above the middle part of the bottom plate, the two locking frames are vertically and symmetrically arranged, the locking frame close to the bottom plate is arranged on the bottom plate through a telescopic column, the pressing mechanism is arranged at the upper end of the locking frame far away from the bottom plate, the supporting vertical plate and the stable vertical plate are respectively arranged at two ends of the bottom plate, and the lining plastic mechanism is arranged on the side surface of the supporting vertical plate corresponding to the stable vertical plate.
The plastic lining mechanism comprises a multi-stage cylinder arranged on the side surface of the supporting vertical plate, a movable plate is arranged at the telescopic end of the multi-stage cylinder, a rotating motor is arranged on the movable plate through a motor seat, the axial lead of the multi-stage cylinder corresponds to the axial lead of the multi-stage cylinder, a rotating bracket is arranged on the output shaft of the rotating motor, a rotating groove and a rotating column which are in mutual rotation fit are arranged between the movable plate and the rotating bracket, the rotating bracket is of a U-shaped structure, a spraying machine is arranged in the rotating bracket, and square sliding blocks and square sliding grooves which are in mutual sliding fit are respectively arranged on the side surface of the spraying machine and the inner wall of the side edge of the rotating bracket;
the spraying machine is provided with the spout on the one end of the closed side of the rotating support far away, be provided with the closed block in the spout, the one end that the closed block is located the spraying machine outside is isosceles trapezoid structure, both ends all are provided with a connecting plate about the closed block, install positioning spring between connecting plate and the side of rotating support, the blind end middle part of rotating support is connected with adjusting bolt through screw-thread fit's mode, adjusting bolt corresponds the one end of rotating support opening side and passes through the bearing and install on the spraying machine, the during specific work, the three-way pipe locking is accomplished the back, control multistage cylinder carries out the extension motion and cooperates the rotating motor to rotate, make the spraying machine at the uniform velocity remove in the horizontal section of three-way pipe, can adjust the position of spraying machine through rotating adjusting bolt, the closed block can be compressed when moving to the three-way pipe along with the spraying machine, make the inclined plane of closed block trapezoid structure remove the inner wall side of spout, thereby the interior molten plastics of spraying machine can be followed spouting the spout, and the spraying machine can adjust the volume of plastics through rotating adjusting bolt when the cavity position corresponds of three-way pipe, when the machine removes the intercommunication portion at the three-way pipe middle part, make the closed block can separate with the closed block and seal the three-way pipe, make the closed block can seal down, seal the sealing piece and seal the sealing piece when the three-way pipe can be contacted with the sealing piece.
The method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps of:
s1, surface treatment of a pipe: firstly, polishing the inner side surface and the outer side surface of a three-way pipe so as to remove sundries and rust on the three-way pipe;
s2, pipe positioning and clamping: firstly, locking a pressing mechanism on an external mounting frame, placing a pipe between two locking frames after polishing, enabling the axial lead of a transverse section of a three-way pipe to correspond to the axial lead of a multi-stage cylinder through telescopic movement of a telescopic column, and then controlling the pressing mechanism to lock the position of the three-way pipe;
s3, lining plastic for the pipe: after the three-way pipe is locked, the multistage cylinder is controlled to perform extension movement and rotate in cooperation with the rotating motor, so that the spraying machine can move into the transverse section of the three-way pipe at a constant speed, the position of the spraying machine can be adjusted by rotating the adjusting bolt, the sealing block can be compressed when moving into the three-way pipe along with the spraying machine, the inclined surface of the trapezoid structure of the sealing block moves to the inner wall side of the spraying groove, molten plastic in the spraying machine can be sprayed out from the spraying groove, and the quantity of plastic sprayed out by the spraying machine can be adjusted by rotating the adjusting bolt when the spraying machine corresponds to the position of the cavity of the three-way pipe;
s4, comprehensively lining plastic for the pipe: after the lining of the transverse section of the three-way pipe is finished, the multistage cylinder is controlled to shrink to the initial position, and then the three-way pipe is rotated ninety degrees, so that the lining plastic treatment can be carried out on the longitudinal section of the three-way pipe.
As a preferable technical scheme of the invention, the bottom of the supporting vertical plate is provided with the T-shaped sliding block, the top of the bottom plate is provided with the T-shaped sliding groove which is in sliding fit with the T-shaped sliding block, the lower end of the side surface of the supporting vertical plate far away from the stable vertical plate is provided with the pushing cylinder, the fixed end of the pushing cylinder is arranged on the top of the bottom plate through the cylinder support plate, and the telescopic movement of the pushing cylinder can drive the supporting vertical plate to carry out left-right position adjustment so as to prevent the supporting vertical plate from obstructing the rotation of the three-way pipe.
As a preferable technical scheme of the invention, the pressing mechanism comprises a pressing cylinder arranged at the upper end of the locking frame, the upper end of the pressing cylinder is provided with a pressing support plate, the upper part of the pressing support plate is provided with a mounting support plate, the upper side surface of the pressing support plate is provided with an adjusting rotating column, the upper end of the adjusting rotating column penetrates through the mounting support plate, the outer side surface of the upper end of the adjusting rotating column is provided with a triangular groove, the included angle between the triangular grooves is ninety degrees, the stretching movement of the pressing cylinder can drive the locking frame to move up and down so that the locking frame is matched with the three-way pipe to lock or unlock the three-way pipe, the left and right ends of the upper side surface of the mounting support plate can be arranged on an external mounting frame, so that the pressing mechanism is locked with the locking frame far away from the bottom plate, and the adjusting rotating column is rotated by ninety degrees after lining plastic is completed on the transverse section of the three-way pipe, and the longitudinal section of the three-way pipe can be lined plastic.
As a preferable technical scheme of the invention, the upper side surface of the mounting support plate is provided with the clamping support plate, the clamping support plate is connected with the clamping elastic column in a sliding fit manner, one end of the clamping elastic column, which is close to the adjusting rotating column, is provided with the clamping block, the clamping block is of a triangular structure and is locked in the triangular groove, the clamping block is moved out of the triangular groove by pulling the clamping elastic column outwards, the adjusting rotating column can be controlled to rotate ninety degrees, the external force is removed, the clamping block can be locked in the triangular groove again, and the locking frame can be accurately rotated ninety degrees by the arrangement, so that the plastic lining precision of the transverse section and the longitudinal section of the three-way pipe is increased.
As a preferable technical scheme of the invention, the lower end of the telescopic column is provided with the turntable, the turntable is connected to the bottom plate in a friction fit mode, when the rotary column is adjusted to rotate, the turntable can rotate in a matched mode, and the friction fit between the turntable and the bottom plate enables the turntable not to rotate when no external force exists.
As a preferable technical scheme of the invention, the side surface of the sealing block, which is far away from the spraying machine, is an arc surface, the connecting plate on the sealing block is of a triangular structure, the arc surface of the sealing block can increase the contact stability with the inner wall of the three-way pipe, and the triangular structure of the sealing block can prevent the sealing block from being clamped on the three-way pipe when the spraying machine moves to the middle communicating part of the three-way pipe.
As a preferable technical scheme of the invention, the stable vertical plate is connected with the supporting rotating rod in a sliding fit mode, the supporting rotating rod extends to the rotating bracket, the disassembling plate is arranged at the position of the rotating bracket corresponding to the supporting rotating rod through bolts, the disassembling plate is provided with the counter bore, the supporting rotating rod is connected in the counter bore, and the supporting rotating rod can support the rotating bracket, so that the spraying machine cannot shake, and the plastic lining precision of the three-way pipe by the spraying machine is improved.
As a preferable technical scheme of the invention, one end of the supporting rotating rod, which is close to the dismounting plate, is integrally formed with an annular sleeve, U-shaped grooves are symmetrically formed in the annular sleeve along the circumferential direction of the annular sleeve, U-shaped clamping frames with elastic structures are arranged in the U-shaped grooves, one end of each U-shaped clamping frame is locked in a counter bore, the other end of each U-shaped clamping frame is of a trapezoid structure, the U-shaped clamping frames on the annular sleeve can be connected in the counter bore of the dismounting plate in a buckling manner, and the supporting rotating rod can be separated from the dismounting plate by pressing the U-shaped clamping frames.
As a preferable technical scheme of the invention, the side surfaces of the stable vertical plates corresponding to the supporting vertical plates are symmetrically provided with clamping plates with arc structures, clamping elastic columns are arranged on opposite side surfaces of the clamping plates, the expansion force of the clamping elastic columns is larger than that of the U-shaped clamping frames, the middle parts of the clamping elastic columns are connected with clamping support plates in a sliding fit mode, the clamping support plates are arranged on the side surfaces of the stable vertical plates, when the spraying machine moves to the left end of the three-way pipe, one end of the trapezoid structure of the U-shaped clamping frames can move to the opposite end of the clamping plates, the clamping plates can press the U-shaped clamping frames under the action of the clamping elastic columns, so that the supporting rotating rods are separated from the disassembling plates, and the clamping plates can be clamped on the outer side surfaces of the annular sleeves, so that the supporting rotating rods cannot move out of the clamping plates when the multistage cylinders shrink.
As a preferable technical scheme of the invention, the locking frame comprises a locking transverse plate with a T-shaped structure and three arc plates, wherein one arc plate is arranged on the end face of the locking transverse plate, a bonding rubber pad is arranged on the side face of the arc plate, the two arc plates of the transverse section of the locking frame can be clamped on the transverse section of the three-way pipe, the two arc plates of the longitudinal section of the locking frame can be clamped on the longitudinal section of the three-way pipe, and the arrangement of the locking frame enables the axis of the longitudinal section of the three-way pipe to intersect with the axis of the adjusting rotary column, so that when the adjusting rotary column rotates ninety degrees, the axis of the longitudinal section of the three-way pipe can correspond to the axis of the multi-stage cylinder.
The invention has the beneficial effects that:
1. the invention can lock the three-way pipe according to the structure of the three-way pipe and perform lining plastic treatment on the inner side surface of the three-way pipe, the invention can be adjusted according to the thickness of lining plastic, and the spraying machine can automatically stop lining plastic when moving to the communicating part in the middle of the three-way pipe, so as to prevent the plastic from being sprayed to the outer side of the three-way pipe, and the invention can rotate the three-way pipe by ninety degrees after the lining plastic of the transverse section of the three-way pipe is completed, so that the transverse section and the longitudinal section of the three-way pipe can perform lining plastic action at one time;
2. according to the invention, the position of the spraying machine can be adjusted by rotating the adjusting bolt, and the sealing block can be compressed when moving into the three-way pipe along with the spraying machine, so that the inclined surface of the trapezoid structure of the sealing block moves to the inner wall side of the spraying groove, and molten plastic in the spraying machine can be sprayed out from the spraying groove;
3. when the spraying machine moves to the communicating part in the middle of the three-way pipe, the sealing block is separated from the three-way pipe, so that the sealing block moves outwards under the action of the positioning spring, the spraying machine is plugged again by the sealing block, and when the sealing block contacts with the three-way pipe, the sealing block can shrink and carry out plastic lining;
4. according to the invention, the supporting rotating rod can support the rotating bracket, so that the spraying machine cannot shake, and when the spraying machine moves to the left end of the three-way pipe, one end of the trapezoid structure of the U-shaped clamping frame can move to the opposite end of the clamping plate, so that the supporting rotating rod is separated from the dismounting plate;
5. according to the invention, the clamping block is moved out of the triangular groove by pulling the clamping elastic column outwards, the control and adjustment rotating column can rotate ninety degrees, the external force is removed, and the clamping block can be locked in the triangular groove again, so that the locking frame can precisely rotate ninety degrees, and the plastic lining precision of the transverse section and the longitudinal section of the three-way pipe is increased.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a first structural schematic of the present invention;
FIG. 3 is a second schematic structural view of the present invention;
FIG. 4 is a schematic view of the structure between the locking rack and the pushing mechanism of the present invention;
FIG. 5 is a schematic view of the structure between the base plate, the support riser, the plastic lining mechanism and the stabilizing riser of the present invention;
FIG. 6 is a schematic view of the structure of the plastic lining mechanism of the present invention after the multi-stage cylinder is removed;
FIG. 7 is a cross-sectional view of the plastic lining mechanism of the present invention between the support rod and the stripper plate after the multi-stage cylinder has been removed;
FIG. 8 is a schematic view of the structure of the invention between the stabilizing riser, the supporting rotating rod, the clamping plate, the clamping spring post and the clamping support plate.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 2-8, a steel-lined polypropylene pipe manufacturing method is provided, the steel-lined polypropylene pipe manufacturing method adopts a steel-lined polypropylene pipe manufacturing device, the steel-lined polypropylene pipe manufacturing device comprises a bottom plate 1, a locking frame 2, a pressing mechanism 3, a supporting vertical plate 4, a lining plastic mechanism 5 and a stable vertical plate 6, two locking frames 2 are distributed above the middle of the bottom plate 1, the two locking frames 2 are symmetrically arranged up and down, the locking frame 2 close to the bottom plate 1 is arranged on the bottom plate 1 through a telescopic column 21, the pressing mechanism 3 is arranged at the upper end of the locking frame 2 far away from the bottom plate 1, the supporting vertical plate 4 and the stable vertical plate 6 are respectively arranged at two ends of the bottom plate 1, and the lining plastic mechanism 5 is arranged on the side surface of the supporting vertical plate 4 corresponding to the stable vertical plate 6.
The pressing mechanism 3 comprises a pressing cylinder 31 arranged at the upper end of the locking frame 2, a pressing support plate 32 is arranged at the upper end of the pressing cylinder 31, a mounting support plate 33 is distributed above the pressing support plate 32, an adjusting rotating column 34 is arranged on the upper side face of the pressing support plate 32, the upper end of the adjusting rotating column 34 penetrates through the mounting support plate 33, a triangular groove 35 is formed in the outer side face of the upper end of the adjusting rotating column 34, an included angle between the triangular grooves 35 is ninety degrees, the stretching movement of the pressing cylinder 31 can drive the locking frame 2 to move up and down so that the locking frame 2 is matched with the three-way pipe to lock or unlock the three-way pipe, the left end and the right end of the upper side face of the mounting support plate 33 can be arranged on an outer mounting frame, the pressing mechanism 3 and the locking frame 2 far away from the bottom plate 1 are locked in position, and after lining of the transverse section of the three-way pipe is completed, the adjusting rotating column 34 is rotated by ninety degrees, and the longitudinal section of the three-way pipe can be lined and molded.
The upper side of installation extension board 33 be provided with screens extension board 36, be connected with screens bullet post 37 through sliding fit's mode on the screens extension board 36, be provided with screens piece 38 on the one end that screens bullet post 37 is close to adjusting swivel post 34, screens piece 38 is triangle-shaped structure, and screens piece 38 lock in triangle-shaped inslot 35, make screens piece 38 shift out in the triangle-shaped inslot 35 through outwards pulling screens bullet post 37, control adjusting swivel post 34 can rotate ninety degrees, remove external force screens piece 38 and can lock in triangle-shaped inslot 35 again, this kind of setting makes the rotation ninety degrees that locking frame 2 can be accurate to increase the lining plastic precision of three-way pipe horizontal section and vertical section.
The lower extreme of telescopic column 21 be provided with carousel 22, carousel 22 is connected on bottom plate 1 through friction fit's mode, when adjusting the rotary column 34 and rotate, carousel 22 can carry out the cooperation rotation, the friction fit of carousel 22 and bottom plate 1 makes carousel 22 can not take place to rotate when no external force.
The bottom of support riser 4 be provided with T type slider 41, be provided with on the top of bottom plate 1 with T type slider 41 matched with T type spout 11, the propelling movement cylinder 42 is installed to the side lower extreme that supports riser 4 and keep away from firm riser 6, the stiff end of propelling movement cylinder 42 passes through cylinder extension board 43 to be installed on the top of bottom plate 1, the flexible motion of propelling movement cylinder 42 can drive support riser 4 and control the position adjustment, prevents to support riser 4 and hinder the rotation of three-way pipe.
The plastic lining mechanism 5 comprises a multi-stage cylinder 51 arranged on the side surface of the supporting vertical plate 4, a movable plate 52 is arranged on the telescopic end of the multi-stage cylinder 51, a rotary motor 53 is arranged on the movable plate 52 through a motor seat, the axial lead of the multi-stage cylinder 51 corresponds to the axial lead of the multi-stage cylinder 51, a rotary support 54 is arranged on the output shaft of the rotary motor 53, a rotary groove and a rotary column which are in mutual rotary fit are arranged between the movable plate 52 and the rotary support 54, the rotary support 54 is of a U-shaped structure, a spraying machine 55 is arranged in the rotary support 54, and square sliding blocks and square sliding grooves 541 which are in mutual sliding fit are respectively arranged on the side surface of the spraying machine 55 and the inner wall of the side edge of the rotary support 54; applicator 55 is capable of ejecting plastic within it with a pressure;
the spraying machine 55 is provided with the spraying groove 56 on the end far away from the closed side of the rotating support 54, the sealing block 57 is arranged in the spraying groove 56, one end of the sealing block 57 located on the outer side of the spraying machine 55 is of an isosceles trapezoid structure, the connecting plates 571 are arranged at the upper end and the lower end of the sealing block 57, a positioning spring 58 is installed between the connecting plates 571 and the side face of the rotating support 54, the middle part of the closed end of the rotating support 54 is connected with the adjusting bolt 59 in a threaded fit mode, one end of the adjusting bolt 59 corresponding to the opening side of the rotating support 54 is installed on the spraying machine 55 through a bearing, after the specific work, the three-way pipe is locked, the multistage cylinder 51 is controlled to conduct extension motion and rotate in cooperation with the rotating motor 53, the position of the spraying machine 55 can be adjusted at a constant speed, the sealing block 57 can be moved into the three-way pipe through the rotating adjusting bolt 59, the inclined face of the sealing block 57 can be compressed when the spraying machine 55 moves into the three-way pipe, the inner wall side of the spraying groove 56 is installed, molten plastics in the spraying machine 55 can be sprayed out from the spraying groove 56, and the sealing block 57 can be separated from the three-way pipe 55 through the adjusting bolt when the position of the three-way pipe 55 and the sealing block 55 is in a sealing block 57 can be contacted with the sealing block 57, and the sealing block 57 can be closed when the sealing block 57 is moved into the three-way.
The locking frame 2 comprises a locking transverse plate 23 and three arc plates 24 which are of T-shaped structures, wherein one arc plate 24 is arranged on the end face of the locking transverse plate 23, a joint rubber pad is arranged on the side face of each arc plate 24, two arc plates 24 of the transverse section of the locking frame 2 can be clamped on the transverse section of the three-way pipe, two arc plates 24 of the longitudinal section of the locking frame 2 can be clamped on the longitudinal section of the three-way pipe, the arrangement of the locking frame 2 enables the axis of the longitudinal section of the three-way pipe to intersect with the axis of the adjusting rotary column 34, and therefore when the adjusting rotary column 34 rotates ninety degrees, the axis of the longitudinal section of the three-way pipe can correspond to the axis of the multi-stage cylinder 51.
The side of closing piece 57 keep away from flush coater 55 be the arcwall face, the connecting plate 571 on the closing piece 57 is triangle-shaped structure, the arcwall face of closing piece 57 can increase its stability with the contact of three-way pipe inner wall, the triangle-shaped structure of closing piece 57 can prevent that closing piece 57 from blocking on the three-way pipe when flush coater 55 removes three-way pipe middle part intercommunication portion.
The firm riser 6 on be connected with through sliding fit's mode and support bull stick 61, support bull stick 61 extends to the runing rest 54, installs dismantlement board 62 through the bolt on the position that the runing rest 54 corresponds to support bull stick 61, is provided with counter bore 63 on the dismantlement board 62, support bull stick 61 and connect in counter bore 63, support bull stick 61 can support the runing rest 54 for flush coater 55 can not take place to rock, thereby increases flush coater 55 to the accuracy of three-way pipe lining moulding.
The one end integrated into one piece that supports bull stick 61 be close to dismantlement board 62 has annular cover 64, is provided with U type groove 65 along its circumference symmetry on the annular cover 64, is provided with the U type card frame 66 of elastic structure in the U type groove 65, the one end locking of U type card frame 66 is in counter bore 63, the other end of U type card frame 66 is trapezium structure, U type card frame 66 on the annular cover 64 can be through the mode connection of buckle in counter bore 63 of dismantlement board 62, can make support bull stick 61 and dismantlement board 62 separation through pressing U type card frame 66.
The side symmetry of firm riser 6 correspond to support riser 4 be provided with the clamping plate 67 of arc structure, install clamping bullet post 68 on the opposite side of clamping plate 67, the flexible power of clamping bullet post 68 is greater than the flexible power of U type clamping frame 66, clamping bullet post 68's middle part is connected with clamping extension board 69 through sliding fit's mode, clamping extension board 69 installs on the side of firm riser 6, when flush coater 55 removes the left end of three-way pipe, the one end of the trapezium structure of U type clamping frame 66 can remove the opposite end of clamping plate 67, clamping plate 67 can be with U type clamping frame 66 under the effect of clamping bullet post 68 under for support bull stick 61 and dismantlement board 62 separation, and clamping plate 67 can block the lateral surface at annular sleeve 64, support bull stick 61 can not follow clamping plate 67 and shift out when multistage cylinder 51 contracts.
As shown in fig. 1, the method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps:
s1, surface treatment of a pipe: firstly, polishing the inner side surface and the outer side surface of a three-way pipe so as to remove sundries and rust on the three-way pipe;
s2, pipe positioning and clamping: firstly, locking a pressing mechanism 3 on an external mounting frame, placing a pipe between two locking frames 2 after polishing, enabling the axial lead of a transverse section of a three-way pipe to correspond to the axial lead of a multi-stage cylinder 51 through telescopic movement of a telescopic column 21, controlling the pressing mechanism 3 to lock the position of the three-way pipe, adjusting the left and right positions of a supporting vertical plate 4 through a pushing cylinder 42, inserting an annular sleeve 64 on a supporting rotating rod 61 into a counter bore 63 of a disassembling plate 62, enabling the other end of the supporting rotating rod 61 to pass through a stable vertical plate 6, and then adjusting the supporting vertical plate 4 to an initial position;
s3, lining plastic for the pipe: after the three-way pipe is locked, the multistage cylinder 51 is controlled to perform extension movement and rotate in cooperation with the rotating motor 53, so that the spraying machine 55 can move into the transverse section of the three-way pipe at a constant speed, the position of the spraying machine 55 can be adjusted by rotating the adjusting bolt 59, the sealing block 57 can be compressed when the spraying machine 55 moves into the three-way pipe, the inclined surface of the trapezoid structure of the sealing block 57 moves to the inner wall side of the spraying groove 56, molten plastic in the spraying machine 55 can be sprayed out from the spraying groove 56, the quantity of plastic sprayed out of the spraying machine 55 can be adjusted by rotating the adjusting bolt 59 when the spraying machine 55 corresponds to the cavity position of the three-way pipe, and the triangular structure of the sealing block 57 can prevent the sealing block 57 from being clamped on the three-way pipe when the spraying machine 55 moves to the middle communicating part of the three-way pipe;
s4, comprehensively lining plastic for the pipe: when the spraying machine 55 moves to the left end of the three-way pipe, one end of the trapezoid structure of the U-shaped clamping frame 66 can move to the opposite end of the clamping plate 67, the clamping plate 67 can press down the U-shaped clamping frame 66 under the action of the clamping elastic columns 68, the supporting rotating rod 61 and the disassembling plate 62 are separated, the clamping plate 67 can be clamped on the outer side face of the annular sleeve 64, at the moment, the transverse section of the three-way pipe is lined with plastic, the multistage cylinder 51 is controlled to be contracted to an initial position, the supporting rotating rod 61 cannot be moved out of the clamping plate 67 when the multistage cylinder 51 is contracted, then the clamping block 38 is moved out of the triangular groove 35 by pulling outwards, the adjusting rotating column 34 can rotate ninety degrees, and the external force removing clamping block 38 can be locked in the triangular groove 35 again, so that the invention can carry out lining plastic treatment on the longitudinal section of the three-way pipe.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The steel lining polypropylene pipe manufacturing method adopts a steel lining polypropylene pipe manufacturing device which comprises a bottom plate (1), a locking frame (2), a pressing mechanism (3), a supporting vertical plate (4), a lining plastic mechanism (5) and a stable vertical plate (6), and is characterized in that: two locking frames (2) are distributed above the middle of the bottom plate (1), the two locking frames (2) are vertically symmetrically arranged, the locking frame (2) close to the bottom plate (1) is installed on the bottom plate (1) through a telescopic column (21), a pressing mechanism (3) is installed at the upper end of the locking frame (2) far away from the bottom plate (1), a supporting vertical plate (4) and a stabilizing vertical plate (6) are respectively installed at two ends of the bottom plate (1), and a plastic lining mechanism (5) is installed on the side face of the supporting vertical plate (4) corresponding to the stabilizing vertical plate (6);
the plastic lining mechanism (5) comprises a multi-stage cylinder (51) arranged on the side surface of the supporting vertical plate (4), a movable plate (52) is arranged on the telescopic end of the multi-stage cylinder (51), a rotating motor (53) is arranged on the movable plate (52) through a motor seat, a rotating bracket (54) is arranged on an output shaft of the rotating motor (53), a rotating groove and a rotating column which are in mutual rotation fit are arranged between the movable plate (52) and the rotating bracket (54), the rotating bracket (54) is of a U-shaped structure, a spraying machine (55) is arranged in the rotating bracket (54), and square sliding blocks and square sliding grooves (541) which are in mutual sliding fit are respectively arranged on the side surface of the spraying machine (55) and the inner wall of the side edge of the rotating bracket (54);
a spraying groove (56) is formed in one end, far away from the closed side of the rotating support (54), of the spraying machine (55), a sealing block (57) is arranged in the spraying groove (56), one end, located on the outer side of the spraying machine (55), of the sealing block (57) is of an isosceles trapezoid structure, two connecting plates (571) are arranged at the upper end and the lower end of the sealing block (57), a positioning spring (58) is arranged between the connecting plates (571) and the side face of the rotating support (54), the middle part of the closed end of the rotating support (54) is connected with an adjusting bolt (59) in a threaded fit mode, and one end, corresponding to the opening side of the rotating support (54), of the adjusting bolt (59) is arranged on the spraying machine (55) through a bearing;
the stable vertical plate (6) is connected with a supporting rotating rod (61) in a sliding fit mode, the supporting rotating rod (61) extends to a rotating bracket (54), a disassembling plate (62) is arranged at a position, corresponding to the supporting rotating rod (61), of the rotating bracket (54) through bolts, a counter bore (63) is formed in the disassembling plate (62), and the supporting rotating rod (61) is connected in the counter bore (63);
the support rotating rod (61) is integrally formed with an annular sleeve (64) at one end close to the dismounting plate (62), U-shaped grooves (65) are symmetrically formed in the annular sleeve (64) along the circumferential direction of the annular sleeve, U-shaped clamping frames (66) with elastic structures are arranged in the U-shaped grooves (65), one end of each U-shaped clamping frame (66) is locked in a counter bore (63), and the other end of each U-shaped clamping frame (66) is of a trapezoid structure;
the method for manufacturing the steel-lined polypropylene pipe by adopting the steel-lined polypropylene pipe manufacturing device comprises the following steps of:
s1, surface treatment of a pipe: firstly, polishing the inner side surface and the outer side surface of a three-way pipe so as to remove sundries and rust on the three-way pipe;
s2, pipe positioning and clamping: firstly, locking a pressing mechanism (3) on an external mounting frame, placing a pipe between two locking frames (2) after polishing, enabling the axial lead of a transverse section of a three-way pipe to correspond to the axial lead of a multistage cylinder (51) through telescopic movement of a telescopic column (21), and then controlling the pressing mechanism (3) to lock the position of the three-way pipe;
s3, lining plastic for the pipe: after the three-way pipe is locked, the multistage cylinder (51) is controlled to conduct extension movement and rotate in cooperation with the rotating motor (53), so that the spraying machine (55) can move into the transverse section of the three-way pipe at a constant speed, the position of the spraying machine (55) can be adjusted through rotating the adjusting bolt (59), the sealing block (57) can be compressed when moving into the three-way pipe along with the spraying machine (55), the inclined surface of the trapezoid structure of the sealing block (57) moves to the inner wall side of the spraying groove (56), molten plastic in the spraying machine (55) can be sprayed out from the spraying groove (56), and the quantity of plastic sprayed out by the spraying machine (55) can be adjusted through rotating the adjusting bolt (59) when the spraying machine (55) corresponds to the cavity position of the three-way pipe;
s4, comprehensively lining plastic for the pipe: after the lining of the transverse section of the three-way pipe is completed, the multi-stage cylinder (51) is contracted to the initial position, and then the three-way pipe is rotated ninety degrees, so that the lining of the longitudinal section of the three-way pipe is performed.
2. A method of manufacturing a steel lined polypropylene pipe according to claim 1, wherein: the bottom of support riser (4) be provided with T type slider (41), be provided with on the top of bottom plate (1) with T type slider (41) matched with T type spout (11), support riser (4) keep away from the side lower extreme of firm riser (6) and install propelling movement cylinder (42), the stiff end of propelling movement cylinder (42) passes through cylinder extension board (43) and installs on the top of bottom plate (1).
3. A method of manufacturing a steel lined polypropylene pipe according to claim 1, wherein: the pushing mechanism (3) comprises a pushing cylinder (31) arranged at the upper end of the locking frame (2), a pushing support plate (32) is arranged at the upper end of the pushing cylinder (31), mounting support plates (33) are distributed above the pushing support plates (32), an adjusting rotating column (34) is arranged on the upper side face of the pushing support plates (32), the upper end of the adjusting rotating column (34) penetrates through the mounting support plates (33), triangular grooves (35) are formed in the outer side face of the upper end of the adjusting rotating column (34), and an included angle between the triangular grooves (35) is ninety degrees.
4. A method of manufacturing a steel lined polypropylene pipe as claimed in claim 3, wherein: the upper side of installation extension board (33) be provided with screens extension board (36), be connected with screens bullet post (37) through sliding fit's mode on screens extension board (36), be provided with screens piece (38) on the one end that screens bullet post (37) are close to regulation swivel post (34), screens piece (38) are triangle-shaped structure, and screens piece (38) lock in triangle-shaped groove (35).
5. A method of manufacturing a steel lined polypropylene pipe according to claim 1, wherein: the lower end of the telescopic column (21) is provided with a rotary table (22), and the rotary table (22) is connected to the bottom plate (1) in a friction fit mode.
6. A method of manufacturing a steel lined polypropylene pipe according to claim 1, wherein: the side surface of the sealing block (57) far away from the spraying machine (55) is an arc-shaped surface, and the connecting plate (571) on the sealing block (57) is of a triangular structure.
7. The method for manufacturing steel lined polypropylene pipe according to claim 6, wherein: the side symmetry of firm riser (6) corresponding support riser (4) be provided with clamping plate (67) of arc structure, install clamping bullet post (68) on the opposite side of clamping plate (67), the middle part of clamping bullet post (68) is connected with clamping extension board (69) through sliding fit's mode, clamping extension board (69) are installed on the side of firm riser (6).
8. A method of manufacturing a steel lined polypropylene pipe according to any one of claims 1 to 7, wherein: the locking frame (2) comprises a locking transverse plate (23) with a T-shaped structure and three arc plates (24), wherein the end face of the locking transverse plate (23) is provided with one arc plate (24), and the side face of the arc plate (24) is provided with a bonding rubber pad.
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| CN114749931B (en) * | 2022-04-08 | 2023-04-28 | 中山市吕何鑫自动化设备有限公司 | Metal pipe fitting manufacturing and processing equipment and manufacturing and processing technology |
| CN117181499B (en) * | 2023-11-07 | 2024-02-27 | 山东建华阀门制造有限公司 | Automatic paint spraying equipment for valve inner surface anti-corrosion treatment |
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