CN113909350B

CN113909350B - Aluminum-plastic composite pipe bending prefabricating equipment

Info

Publication number: CN113909350B
Application number: CN202111073418.1A
Authority: CN
Inventors: 金建强; 陈营; 余林杰
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2023-04-14
Anticipated expiration: 2041-09-14
Also published as: CN113909350A

Abstract

The invention provides an aluminum-plastic composite pipe bending prefabricating device, which comprises a chassis, wherein a vertically arranged intermediate column is fixed on the upper surface of the chassis, a lifting platform with adjustable height is installed on one side of the upper surface of the chassis, the lifting platform is in sliding connection with the intermediate column, a placing disc for storing a coil pipe is installed on the upper surface of the lifting platform, a guide mechanism for guiding the pipe to move is arranged on one side of the placing disc, the guide mechanism is installed on the upper surface of the lifting platform, a bending mechanism for bending the pipe is arranged on one side of the guide mechanism, which is far away from the placing disc, a traction mechanism is rotationally connected to the bending mechanism, the bending mechanism and the traction mechanism are both connected with the intermediate column, a vertical stretching mechanism with adjustable position is arranged on one side of the traction mechanism, which is far away from the guide mechanism, and compared with the prior art, the aluminum-plastic composite pipe bending prefabricating device has the following beneficial effects: the bending machine is combined with a drawing machine for bending, so that the precision is high, the efficiency is high, the bending rate is consistent, and the length of the pipe is not influenced.

Description

Aluminum-plastic composite pipe bending prefabricating equipment

Technical Field

The invention discloses an aluminum-plastic composite pipe bending and prefabricating device, and belongs to the field of aluminum-plastic composite pipe processing equipment.

Background

The aluminum-plastic composite pipe is more and more available in the market, and has the advantages of good shaping property, good flexibility, convenient transportation of coil pipes, convenient quick insertion and connection, one pipe to the bottom and the like, but the aluminum-plastic composite pipe is very inconvenient in the construction process: 1. manual bending is inaccurate, so that the pipe is not aligned with a pipe groove dug in advance, the pipe needs to be bent again, the damage to the pipe is high, and the stability and the service life of a system are influenced; 2. the bending difficulty is high, the bending of the aluminum-plastic composite pipe is very laborious, workers often make a few times and feel aching and aching arms, and the bending degree is inaccurate and is more unsightly; 3. the connection difficulty is that the pipe is long due to the characteristic that one pipe is grounded, so that the subsequent bending and welding processes are easy to influence the previous processes, and the working efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide aluminum-plastic composite pipe bending and prefabricating equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an aluminium-plastic composite pipe prefabricated equipment that bends, includes the chassis, the chassis upper surface is fixed with vertical arrangement's intermediate prop, chassis upper surface one side is installed the elevating platform of adjustable height, elevating platform and intermediate prop sliding connection, the elevating platform upper surface is installed and is used for depositing the dish of placing of coil pipe, it is equipped with the guiding mechanism that is used for guiding tubular product to remove to place dish one side, guiding mechanism installs at the elevating platform upper surface, the guiding mechanism deviates from the one side of placing the dish and is equipped with the mechanism of bending that is used for bending tubular product, it is connected with drive mechanism to rotate in the mechanism of bending, it all is connected with the intermediate prop with drive mechanism to bend mechanism and drive mechanism, one side that drive mechanism deviates from guiding mechanism is equipped with adjustable position's vertical stretching mechanism, vertical stretching mechanism installs on the chassis upper surface.

Further, an outlet pipe opening arranged in the tangential direction of the placing disc is formed in the annular side face of the placing disc, a limiting ring used for limiting the end position of the pipe is fixedly connected to the upper portion of the annular side face of the placing disc, and a detachable mesh enclosure is connected to one side face of the placing disc through screws.

Further, guiding mechanism includes U type frame, U type frame lower fixed surface is connected with branch, the one end and the elevating platform fixed connection of U type frame are kept away from to branch, the pulley that is used for pressing to hold tubular product is all installed to upper surface and lower surface in the U type frame, U type frame is equipped with the guide ring that is used for restricting tubular product removal orbit towards the one side of placing the dish, guide ring outer fixed surface is connected with L type pole, the one end and the elevating platform fixed connection of guide ring are kept away from to L type pole.

Further, the bending mechanism comprises a fixed panel, two fixing rings which are sleeved on the middle column and fixedly connected with the middle column are mounted on the fixed panel, a connecting plate is mounted at the upper end of the middle column and is of an L-shaped structure, one end, far away from the middle column, of the connecting plate is fixedly connected with the fixed panel, one face, facing the placing disc, of the fixed panel is provided with a penetrating hole used for penetrating a pipe, one side, far away from the placing disc, of the penetrating hole is provided with a jacking part used for jacking a pipe bending part, a horizontally arranged guide rod is fixedly connected onto the jacking part, one end, far away from the jacking part, of the guide rod penetrates through the fixed panel and is connected with a first driving part movable end used for controlling linear movement of the guide rod, a cylinder end of the first driving part is fixedly connected with the fixed panel, an arc plate used for pressing the pipe is arranged at the lower position of one side, far away from the jacking part, of the penetrating hole, a fourth driving part used for driving the arc plate to move up and down is mounted at the lower position of the outer surface of the arc plate, and the fourth driving cylinder is fixed panel.

Further, the traction assembly includes the carriage, fixedly connected with is in the fixed ear between two solid fixed rings on the carriage, fixed earmuff establish on the middle post and with middle post sliding connection, the one end that the carriage is close to fixed ear rotates and is connected with the actuating lever, the one end that the carriage was kept away from to the actuating lever rotates with fixed panel to be connected, the one end that the actuating lever is close to fixed panel rotates with the expansion end of third driving piece to be connected, third driving piece cylinder body end and fixed panel fixed connection, the cover is equipped with the grip block that the cross section is "nearly" font on the carriage, threaded connection has the first screw rod of arranging along carriage length direction on the grip block, first screw rod one end rotates with the carriage to be connected, the first screw rod other end is connected and is used for driving first screw rod pivoted drive device, first drive device and carriage fixed connection, slidable mounting has the guide bar with first screw rod parallel arrangement on the grip block, the both ends of guide bar all with carriage fixed connection, the symmetry installs two holders that are used for centre gripping tubular product in the grip block back all be used for the second drive piece and reciprocate the second driving piece fixed connection cylinder body end.

Further, vertical stretching mechanism includes vertical arrangement's first pneumatic cylinder, first pneumatic cylinder lower extreme fixedly connected with slider, slider and slide rail sliding connection, the slide rail is fixed at the chassis upper surface, threaded connection has the second screw rod with slide rail parallel arrangement on the slider, the both ends of second screw rod all rotate with the chassis and be connected, second screw rod one end is connected with and is used for driving second screw rod pivoted third drive equipment, the hollow roof of first pneumatic cylinder upper end fixedly connected with, the one end hinge that first pneumatic cylinder was kept away from to the roof is connected with two semicircle splint that are used for centre gripping tubular product, two the semicircle splint outside all is equipped with the arc clamp plate that is used for pressing and holds semicircle splint, the one end that semicircle splint was kept away from to the arc clamp plate rotates with the roof to be connected, all install on two parallel sides of roof and be used for driving arc clamp plate pivoted second drive equipment, chassis upper surface mounting has the communicating hydraulic tank that links to each other with the hydraulic pump, first pneumatic cylinder communicates with each other with hydraulic tank, hydraulic pump through high-pressure hose respectively.

Further, two scissors fork supports that rotate to be connected with the elevating platform are installed to elevating platform lower surface symmetry, one of them tip that the elevating platform was kept away from to scissors fork support rotates with the chassis and is connected, another tip that the elevating platform was kept away from to scissors fork support rotates and is connected with the round bar, the both ends of round bar all are equipped with the spout, the spout is fixed at the chassis upper surface, all set up the bar groove of arranging along spout length direction on two parallel sides of spout, the tip of round bar runs through the bar groove, the middle part position of round bar rotates and is connected with the second pneumatic cylinder expansion end, the second pneumatic cylinder body rotates and connects at the chassis upper surface, the second pneumatic cylinder links to each other with hydraulic tank, hydraulic pump respectively through high-pressure hose and communicates with each other, the one end fixedly connected with bearing that the elevating platform is close to the intermediate column, the bearing housing is established on the intermediate column and with intermediate column sliding connection.

Furthermore, a computer for inputting drawings is arranged on the upper surface of the lifting table, and an electrical cabinet for storing the relay and the PLC is installed on one side, far away from the computer, of the upper surface of the lifting table.

Furthermore, universal brake wheels are mounted at four corners of the lower surface of the chassis.

The invention has the beneficial effects that: the bending prefabrication equipment for the aluminum-plastic composite pipe is combined with drawing mechanical bending, is high in precision and efficiency, consistent in bending rate and free of influence on the length of the pipe, when the pipe is integrally arranged, drawing parameters of the pipe are required to be input anticlockwise according to a room, a traction mechanism on a fixed panel can only rotate towards one side by 90 degrees, the movement of the pipe in three degrees of freedom and the bending of the pipe in three directions are realized through a vertical stretching mechanism, the traction mechanism and the bending mechanism, namely the pipe is bent in two vertical directions, namely the left direction and the right direction, the room is small, the pipe is short in length, the pipe bending pipe of a chassis can be directly fixed, if the room is large, the pipe is long in length, the pipe can be bent while the chassis is moved, the aluminum-plastic composite pipe can be well bent and shaped on site, and then only the pipe needs to be installed and fixed on a wall, so that the working efficiency is greatly increased.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an aluminum-plastic composite pipe bending prefabricating apparatus of the present invention;

FIG. 2 is an assembly schematic diagram of a guide mechanism, a bending mechanism, a traction mechanism and a middle column in the bending prefabrication equipment for the aluminum-plastic composite pipe;

FIG. 3 is an assembly diagram of another view angle of the guiding mechanism, the bending mechanism, the traction mechanism and the intermediate column in the bending prefabrication equipment for the aluminum-plastic composite pipe;

FIG. 4 is an assembly diagram of a fixing panel, a supporting frame and a middle column in the bending prefabrication equipment for the aluminum-plastic composite pipe;

FIG. 5 is an assembly diagram of a bending mechanism, a traction mechanism and a middle column in the bending prefabrication equipment for the aluminum-plastic composite pipe;

FIG. 6 is an assembly schematic diagram of a semicircular clamping plate, an arc-shaped pressing plate and a top plate in the bending prefabrication equipment for the aluminum-plastic composite pipe;

in the figure: 1-chassis, 2-universal brake wheel, 3-second screw rod, 4-slide rail, 5-slide block, 6-hydraulic oil tank, 7-first hydraulic cylinder, 8-middle column, 9-support frame, 10-top plate, 11-clamping plate, 12-fixed panel, 13-U-shaped frame, 14-L-shaped rod, 15-guide ring, 16-limit ring, 17-mesh enclosure, 18-placing disc, 19-outlet pipe orifice, 20-electrical cabinet, 21-second hydraulic cylinder, 22-round bar, 23-chute, 24-strip groove, 25-scissor fork support, 26-lifting platform, 27-computer, 28-connecting plate, 29-pulley, 30-first driving piece, 31-support rod, 32-guide rod, 33-bearing, 34-top pressing piece, 35-second driving piece, 36-clamping piece, 37-first screw rod, 38-first driving device, 39-guide rod, 40-third driving piece, 41-arc plate, 42-arc plate, 43-fourth driving piece, 44-arc pressing plate, 44-second clamping piece, 37-first screw rod, 38-first driving device, and semicircular driving piece, 46-driving piece.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a compound pipe of aluminium-plastic prefabricated equipment that bends, includes chassis 1, and universal brake wheel 2 is all installed to four edges and corners on 1 lower surface on chassis, installs four universal brake wheels 2 on chassis 1, and whole equipment can be for the people promoting, and it is convenient to remove.

The utility model discloses a vertical layout's center post 8 is fixed with to chassis 1 upper surface, but height-adjusting's elevating platform 26 is installed to 1 upper surface one side on chassis, elevating platform 26 and center post 8 sliding connection, elevating platform 26 upper surface is equipped with the computer 27 that is used for the input drawing, one side that computer 27 was kept away from to elevating platform 26 upper surface is installed and is used for depositing the relay, the regulator cubicle 20 of PLC controller, computer 27 is used for the input drawing, can look over the picture on the spot, the comparison graph, detect the exactness and the accuracy of drawing, can control the shape of the last tensile aluminium-plastic pipe of bending, according to the position adjustment parameter of on-the-spot pipe socket, the problem of managing that the mistake of pipe socket leads to has been avoided.

The upper surface of the lifting platform 26 is provided with a placing plate 18 for storing a coil pipe, one side of the placing plate 18 is provided with a guide mechanism for guiding the pipe to move, the guide mechanism is arranged on the upper surface of the lifting platform 26, one side of the guide mechanism, which deviates from the placing plate 18, is provided with a bending mechanism for bending the pipe, the bending mechanism is rotatably connected with a traction mechanism, the bending mechanism and the traction mechanism are both connected with the intermediate column 8, one side of the traction mechanism, which deviates from the guide mechanism, is provided with a vertical stretching mechanism with adjustable position, the vertical stretching mechanism is arranged on the upper surface of the chassis 1, when the pipe is integrally distributed, parameters of the pipe need to be input anticlockwise according to a room, the traction mechanism on the fixing panel 12 can only rotate towards 90 degrees at one side, the vertical stretching mechanism, the traction mechanism and the bending mechanism can realize the movement of the pipe in three degrees of freedom and the bending of the pipe in three directions, namely, the two directions are vertical, the left direction and the right direction, the room is small, when the length of the pipe is short, the pipe can directly fix the bent pipe on the chassis 1, if the room is large, the pipe with longer length, the pipe can be moved while the pipe can be bent, the composite pipe can be well bent and shaped on the site, and then only the installation work efficiency is greatly increased.

As an embodiment of the present invention: place and offer on the dish 18 annular side along placing a mouth of pipe 19 that 18 tangential direction arranged, place 18 annular side upper portion position fixedly connected with of dish and be used for limiting the spacing ring 16 of tubular product tip position, it has detachable screen panel 17 to place 18 a side of dish through screwed connection, it is used for depositing the compound pipe of aluminium-plastic to place dish 18, it has a mouth of pipe 19 to place above the dish 18, a pipeline is used for revising, the state of coil pipe is conveniently observed to screen panel 17, for example twine, whether remaining in addition, can directly put into the coil pipe, make things convenient for the transportation of the compound pipe of aluminium-plastic.

As an embodiment of the present invention: the guide mechanism comprises a U-shaped frame 13, a support rod 31 is fixedly connected to the lower surface of the U-shaped frame 13, one end, far away from the U-shaped frame 13, of the support rod 31 is fixedly connected with the lifting table 26, pulleys 29 used for pressing and holding the pipe are mounted on the inner upper surface and the lower surface of the U-shaped frame 13, a guide ring 15 used for limiting the moving track of the pipe is arranged on one side, facing the placing disc 18, of the U-shaped frame 13, an L-shaped rod 14 is fixedly connected to the outer surface of the guide ring 15, one end, far away from the guide ring 15, of the L-shaped rod 14 is fixedly connected with the lifting table 26, the pipe is not bent by other parts before the bending process, the track of the pipe is guided, and the pipe can be made to be smooth and straight by the two pulleys 29 without influencing the subsequent bending process.

As an embodiment of the present invention: the bending mechanism comprises a fixed panel 12, two fixing rings which are sleeved on a middle column 8 and fixedly connected with the middle column 8 are installed on the fixed panel 12, a connecting plate 28 is installed at the upper end of the middle column 8, the connecting plate 28 is of an L-shaped structure, one end, far away from the middle column 8, of the connecting plate 28 is fixedly connected with the fixed panel 12, one surface, facing the placing disc 18, of the fixed panel 12 is provided with a through hole 47 for inserting a pipe, one side, far away from the placing disc 18, of the through hole 47 is provided with a jacking piece 34 for jacking a pipe bending part, the jacking piece 34 is fixedly connected with a horizontally arranged guide rod 32, the guide rod 32 penetrates through the fixed panel 12, and one end, far away from the jacking piece 34, of the guide rod 32 is connected with the movable end of a first driving piece 30 for controlling the guide rod 32 to linearly move, the cylinder end of the first driving member 30 is fixedly connected with the fixed panel 12, the lower position of one side of the penetrating hole 47 departing from the jacking member 34 is provided with an arc-shaped plate 42 for pressing and holding a pipe fitting, the lower position of the outer surface of the arc-shaped plate 42 is provided with a fourth driving member 43 for driving the arc-shaped plate 42 to move up and down, the cylinder end of the fourth driving member 43 is fixed on the fixed panel 12, after the pipe is placed in the penetrating hole 47, the fourth driving member 43 is controlled to extend, the pipe is clamped in the penetrating hole 47 by the arc-shaped plate 42, the jacking member 34 is driven to move by the first driving member 30, and the relative position of the jacking member 34 and the pipe is adjusted.

As an embodiment of the present invention: the traction mechanism comprises a supporting frame 9, a fixing lug between two fixing rings is fixedly connected to the supporting frame 9, the fixing lug is sleeved on the middle column 8 and is connected with the middle column 8 in a sliding manner, one end, close to the fixing lug, of the supporting frame 9 is rotatably connected with a driving rod 41, one end, far away from the supporting frame 9, of the driving rod 41 is rotatably connected with a fixing panel 12, one end, close to the fixing panel 12, of the driving rod 41 is rotatably connected with a movable end of a third driving piece 40, the cylinder body end of the third driving piece 40 is fixedly connected with the fixing panel 12, a clamping plate 11 with a cross section in a shape like a Chinese character 'ji' is sleeved on the supporting frame 9, a first screw rod 37 arranged along the length direction of the supporting frame 9 is in threaded connection with the clamping plate 11, one end of the first screw rod 37 is rotatably connected with the supporting frame 9, and the other end of the first screw rod 37 is connected with a first driving device 38 used for driving the first screw rod 37 to rotate, the first driving device 38 is fixedly connected with the supporting frame 9, a guide rod 39 arranged in parallel with the first screw rod 37 is slidably mounted on the clamping plate 11, two ends of the guide rod 39 are fixedly connected with the supporting frame 9, two clamping pieces 36 used for clamping pipes are symmetrically mounted in the clamping plate 11, a second driving piece 35 used for controlling the clamping pieces 36 to move up and down is mounted on the back faces of the two clamping pieces 36, the cylinder body end of the second driving piece 35 is fixedly connected with the clamping plate 11, the supporting frame 9 does not enter a rotating state, the two clamping pieces 36 are in an open state at the moment, after the pipes are inserted between the two clamping pieces 36, the two clamping pieces 36 are controlled to be closed, a pipeline is fixed, the arc-shaped plates 42 on the fixing panel 12 are loosened, the first driving device 38 drives the clamping plate 11 to move, and the clamping plate 11 drives the pipeline to move forwards.

As an embodiment of the present invention: vertical stretching mechanism includes vertical arrangement's first pneumatic cylinder 7, first pneumatic cylinder 7 lower extreme fixedly connected with slider 5,

slider

5 and 4 sliding connection of slide rail, slide rail 4 fixes at 1 upper surface on chassis, threaded connection has the second screw rod 3 with 4 parallel arrangement of slide rail on the slider 5, the both ends of second screw rod 3 all rotate with chassis 1 and be connected, 3 one end of second screw rod is connected with and is used for driving second screw rod 3 pivoted third drive arrangement, hollow roof 10 of first pneumatic cylinder 7 upper end fixedly connected with, roof 10 keeps away from one end hinge connection of first pneumatic cylinder 7 has two semicircle splint 46 that are used for centre gripping tubular product, two semicircle splint 46 outsides all are equipped with the arc clamp plate 44 that is used for pressing semicircle splint 46, arc clamp plate 44 keeps away from semicircle splint 46's one end and roof 10 rotate and are connected, all install on two curved side that parallel of roof 10 and be used for driving arc clamp plate 44 pivoted second drive arrangement 45, chassis 1 upper surface mounting has the communicating hydraulic tank 6 with the hydraulic pump, first pneumatic cylinder 7 passes through high pressure hose respectively with hydraulic tank 6, the hydraulic pump links to each other, when the pipeline needs to carry out vertical stretching adjustment and the pipeline and drives the clamp plate 46, then make the pipeline 7 and make the first semicircle clamp plate move the pipeline of the fixed clamp plate of the fixed of the semicircle clamp plate of the pipeline 7, the pipeline of the vertical stretching of the fixed of the pipeline of the fixed of the semicircle clamp plate 46, then.

As an embodiment of the present invention: two scissor fork supports 25 rotatably connected with the lifting platform 26 are symmetrically installed on the lower surface of the lifting platform 26, one end of each scissor fork support 25, far away from the lifting platform 26, is rotatably connected with the chassis 1, the other end of each scissor fork support 25, far away from the lifting platform 26, is rotatably connected with a round rod 22, two ends of each round rod 22 are respectively provided with a sliding groove 23, the sliding grooves 23 are fixed on the upper surface of the chassis 1, two parallel side surfaces of each sliding groove 23 are respectively provided with a strip-shaped groove 24 arranged along the length direction of the corresponding sliding groove 23, the end of each round rod 22 penetrates through the corresponding strip-shaped groove 24, the middle position of each round rod 22 is rotatably connected with a movable end of a second hydraulic cylinder 21, the cylinder body of the second hydraulic cylinder 21 is rotatably connected on the upper surface of the chassis 1, the second hydraulic cylinder 21 is respectively connected with a hydraulic oil tank 6 and a hydraulic pump through a high-pressure hose, one end, close to the lifting platform 26 to the middle column 8, is fixedly connected with a bearing 33, the bearing 33 is sleeved on the middle column 8 and is slidably connected with the middle column 8, when the second hydraulic cylinder 21 is controlled to extend or contract, the scissor fork supports 25 are unfolded or contract, and convenient adjustment of the height of the lifting platform 26 is realized.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. The utility model provides a compound pipe of plastic-aluminum prefabricated equipment that bends, includes chassis (1), its characterized in that: the pipe bending device comprises a chassis (1), wherein a vertically-arranged middle column (8) is fixed on the upper surface of the chassis (1), a lifting table (26) with adjustable height is installed on one side of the upper surface of the chassis (1), the lifting table (26) is connected with the middle column (8) in a sliding manner, a placing disc (18) for storing a coil pipe is installed on the upper surface of the lifting table (26), a guide mechanism for guiding the pipe to move is arranged on one side of the placing disc (18), the guide mechanism is installed on the upper surface of the lifting table (26), a bending mechanism for bending the pipe is arranged on one side of the guide mechanism, which is far away from the placing disc (18), the bending mechanism comprises a fixed panel (12), one surface of the fixed panel (12), which faces the placing disc (18), is provided with a through hole (47) for inserting the pipe, one side of the through hole (47), which is far away from the placing disc (18), is provided with a jacking part (34) for jacking pipe bending part, a horizontally-arranged guide rod (32) is fixedly connected with a first guide rod (32) which penetrates through the fixed panel (12) and one end of the guide rod (32), which is far away from the jacking part (34), is connected with a driving part (30) for controlling linear movement of the guide rod (30); the bending mechanism is rotatably connected with a traction mechanism, the bending mechanism and the traction mechanism are both connected with the middle column (8), the traction mechanism comprises a supporting frame (9), a clamping plate (11) with a cross section in a shape like a Chinese character 'ji' is sleeved on the supporting frame (9), a first screw (37) arranged along the length direction of the supporting frame (9) is in threaded connection with the clamping plate (11), one end of the first screw (37) is rotatably connected with the supporting frame (9), the other end of the first screw (37) is connected with first driving equipment (38) used for driving the first screw (37) to rotate, and the first driving equipment (38) is fixedly connected with the supporting frame (9); but one side that drive mechanism deviates from guide mechanism is equipped with position adjusting's perpendicular stretching mechanism, perpendicular stretching mechanism installs at chassis (1) upper surface, perpendicular stretching mechanism includes vertical arrangement's first pneumatic cylinder (7), roof (10) of the hollow form of first pneumatic cylinder (7) upper end fixedly connected with, the one end hinge that first pneumatic cylinder (7) were kept away from in roof (10) is connected with two semicircle splint (46) that are used for centre gripping tubular product, two semicircle splint (46) outside all is equipped with arc clamp plate (44) that are used for pressing and hold semicircle splint (46), the one end that semicircle splint (46) were kept away from in arc clamp plate (44) rotates with roof (10) to be connected, all install on two parallel sides in roof (10) and be used for driving arc clamp plate (44) pivoted second drive arrangement (45).

2. The aluminum-plastic composite pipe bending prefabrication equipment according to claim 1, characterized in that: the pipe fitting is characterized in that a pipe outlet (19) arranged along the tangential direction of the placing disc (18) is formed in the annular side face of the placing disc (18), a limiting ring (16) fixedly connected to the upper portion of the annular side face of the placing disc (18) is used for limiting the end position of a pipe, and a side face of the placing disc (18) is connected with a detachable mesh cover (17) through screws.

3. The bending and prefabricating equipment for the aluminum-plastic composite pipe according to claim 1, wherein the bending and prefabricating equipment comprises: the guide mechanism includes U type frame (13), fixed surface is connected with branch (31) under U type frame (13), the one end and elevating platform (26) fixed connection of U type frame (13) are kept away from in branch (31), pulley (29) that are used for pressing to hold tubular product are all installed to upper surface and lower surface in U type frame (13), U type frame (13) are equipped with guide ring (15) that are used for restricting tubular product removal orbit towards the one side of placing dish (18), guide ring (15) outer fixed surface is connected with L type pole (14), the one end and elevating platform (26) fixed connection of guide ring (15) are kept away from to L type pole (14).

4. The aluminum-plastic composite pipe bending prefabrication equipment according to claim 1, characterized in that: the fixing device is characterized in that two fixing rings which are sleeved on the middle column (8) and fixedly connected with the middle column (8) are installed on the fixing panel (12), a connecting plate (28) is installed at the upper end of the middle column (8), the connecting plate (28) is of an L-shaped structure, one end, far away from the middle column (8), of the connecting plate (28) is fixedly connected with the fixing panel (12), a cylinder body end of the first driving piece (30) is fixedly connected with the fixing panel (12), an arc-shaped plate (42) used for pressing and holding a pipe fitting is arranged at the lower portion of one side, far away from the jacking piece (34), of the through hole (47), a fourth driving piece (43) used for driving the arc-shaped plate (42) to move up and down is installed at the lower portion of the outer surface of the arc-shaped plate (42), and the cylinder body end of the fourth driving piece (43) is fixed on the fixing panel (12).

5. The bending and prefabricating equipment for the aluminum-plastic composite pipe according to claim 4, wherein the bending and prefabricating equipment comprises: fixedly connected with is in the fixed ear between two solid fixed rings on carriage (9), fixed earmuff establish on middle post (8) and with middle post (8) sliding connection, carriage (9) are close to the one end of fixed ear and rotate and are connected with actuating lever (41), the one end and the flush mounting plate (12) rotation connection of carriage (9) are kept away from in actuating lever (41), actuating lever (41) are close to the one end of flush mounting plate (12) and the expansion end rotation connection of third driving piece (40), third driving piece (40) cylinder end and flush mounting plate (12) fixed connection, slidable mounting has guide bar (39) with first screw rod (37) parallel arrangement on grip block (11), the both ends of guide bar (39) all with carriage (9) fixed connection, two holder (36) that are used for centre gripping tubular product are installed to symmetry in grip block (11), two second holder (35) that are used for controlling holder (36) and reciprocate are all installed to the back mutually in grip block (36), second holder (35) driving piece (11) and clamp connection cylinder end.

6. The bending and prefabricating equipment for the aluminum-plastic composite pipe according to claim 1, wherein the bending and prefabricating equipment comprises: first pneumatic cylinder (7) lower extreme fixedly connected with slider (5), slider (5) and slide rail (4) sliding connection, slide rail (4) are fixed at chassis (1) upper surface, threaded connection has second screw rod (3) with slide rail (4) parallel arrangement on slider (5), the both ends of second screw rod (3) all rotate with chassis (1) and are connected, second screw rod (3) one end is connected with and is used for driving second screw rod (3) pivoted third drive device, surface mounting has communicating hydraulic tank (6) with the hydraulic pump on chassis (1), first pneumatic cylinder (7) link to each other with hydraulic tank (6), hydraulic pump respectively through high-pressure hose and communicate with each other.

7. The bending and prefabricating equipment for the aluminum-plastic composite pipe according to claim 6, wherein the bending and prefabricating equipment comprises: two scissors fork supports (25) that rotate to be connected with elevating platform (26) are installed to elevating platform (26) lower surface symmetry, scissors fork support (25) are kept away from one of them tip of elevating platform (26) and are rotated with chassis (1) and are connected, scissors fork support (25) are kept away from another tip of elevating platform (26) and are rotated and be connected with round bar (22), the both ends of round bar (22) all are equipped with spout (23), spout (23) are fixed at chassis (1) upper surface, strip-shaped groove (24) along spout (23) length direction arrangement are all seted up on two parallel sides in spout (23), the tip of round bar (22) runs through strip-shaped groove (24), the mid position of round bar (22) rotates and is connected with second hydraulic cylinder (21) expansion end, second hydraulic cylinder (21) cylinder body rotates and connects on chassis (1) upper surface, second hydraulic cylinder (21) link to each other with hydraulic tank (6), hydraulic pump through high-pressure hose respectively, the one end that elevating platform (26) is close to mid-post (8) is connected with fixedly connected with bearing (33), the mid-post (8) slip cap is established and is connected with mid-post (8) bearing (8).

8. The bending and prefabricating equipment for the aluminum-plastic composite pipe according to claim 7, wherein: the computer (27) used for inputting drawings is arranged on the upper surface of the lifting table (26), and an electrical cabinet (20) used for storing a relay and a PLC (programmable logic controller) is installed on one side, far away from the computer (27), of the upper surface of the lifting table (26).

9. The aluminum-plastic composite pipe bending prefabrication equipment according to claim 1, characterized in that: four edges and corners of the lower surface of the chassis (1) are respectively provided with a universal brake wheel (2).