CN115042405A

CN115042405A - Extrusion molding equipment for processing PVC (polyvinyl chloride) pipes

Info

Publication number: CN115042405A
Application number: CN202210720101.0A
Authority: CN
Inventors: 马修禄; 李小蕴; 王继东; 邱庆伟; 付胜; 王继伟
Original assignee: Anhui Yida Plastic Pipe Co ltd
Current assignee: Anhui Yida Plastic Pipe Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-09-13

Abstract

The invention relates to a PVC pipe processing technology, which is used for solving the problems that packing of a PVC pipe cannot be directly completed during extrusion, the conveying is inconvenient and the caliber of a pipe extrusion mould is inconvenient to replace, and particularly relates to extrusion molding equipment for processing the PVC pipe; according to the invention, after a PVC plastic pipe is extruded from a screw extruder, the plastic pipe is subjected to accelerated cooling through the air duct on the material receiving plate, after the plastic pipe is cooled, the air volume of the air duct is instantly increased to blow the plastic pipe out of a V-shaped groove and slide into a finished product box, a packing belt is driven by a packing rod to pack a finished product of the plastic pipe, so that the manual workload is reduced, a plurality of groups of discharging dies are preset at the outlet end of a feeding screw bin, the preset discharging dies are driven by a driving gear to be replaced, the extrusion diameter of the PVC plastic pipe is adjusted, small batches of products with different diameters can be flexibly produced, and raw material particles in a raw material bin are stirred through the rotation of a turbulence roller, so that the uniform texture of the produced PVC pipe is ensured.

Description

Extrusion molding equipment for processing PVC (polyvinyl chloride) pipes

Technical Field

The invention relates to a PVC pipe processing technology, in particular to extrusion molding equipment for processing PVC pipes.

Background

The PVC pipe is a hard polyvinyl chloride pipe, and is formed by extrusion by a hot pressing method after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, the current PVC pipe is basically produced by extrusion of a double-screw extruder, the double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so the PVC pipe is widely applied to the forming processing of extruded products, and the double-screw extruder consists of a transmission device, a feeding device, a charging barrel, a screw and the like;

at present, most of existing PVC pipe extrusion molding equipment still has defects, the functions of the existing PVC pipe extrusion molding equipment are too single, extruded pipes are generally placed through a simple V-shaped frame or a simple U-shaped frame, workers can only carry the extruded pipes independently during carrying or manually pack the extruded pipes, the production efficiency is low, meanwhile, the existing PVC pipe extrusion molding machine can only produce pipes with a single pipe diameter, and the extrusion mold needs to be manually replaced when the specification of the produced pipes is changed, so that time and labor are wasted;

in view of the above technical problem, the present application proposes a solution.

Disclosure of Invention

In the invention, after the PVC plastic pipe is extruded from the screw extruder, the PVC plastic pipe slides to the position above the material receiving plate, the plastic pipe is accelerated and cooled through the air duct on the material receiving plate, so that the plastic pipe is hardened and shaped more quickly, after the plastic pipe is cooled, the air volume of the air duct is instantly increased to blow out the plastic pipe into the V-shaped groove and slide into a finished product box, the packing rod drives the packing belt to pack the finished product of the plastic pipe, so that the production efficiency is improved, the manual workload is reduced, a plurality of groups of discharging dies are preset at the outlet end of the feeding screw bin, the preset discharging dies are driven by the driving gear to be replaced, the extrusion diameter of the PVC plastic pipe can be quickly adjusted, small batches of products with different diameters can be flexibly produced, when the raw material bin feeds into the feeding screw bin, the raw material particles in the raw material bin are stirred through the rotation of the turbulence roller, so that the raw materials with different equipment are fully mixed, the PVC pipe texture homogeneous of guaranteeing to produce improves product quality, thereby solves the unable direct problem of accomplishing the transport of not being convenient for and not being convenient for change tubular product extrusion tooling's bore of packing when the PVC pipe is extruding, and provides the extrusion moulding equipment of PVC tubular product processing.

The purpose of the invention can be realized by the following technical scheme:

an extrusion molding device for processing PVC pipes comprises a base plate, wherein a mounting plate is fixedly mounted at one end of the upper surface of the base plate, a driving motor is fixedly mounted on the outer side of the mounting plate, a feeding screw bin is fixedly mounted at the other side of the mounting plate, two groups of extrusion screws are rotatably connected inside the feeding screw bin, the extrusion screws are driven by a belt gear and a synchronous belt driven by the driving motor, a material receiving plate is fixedly mounted at one end of the base plate, which is far away from the mounting plate, and a finished product box is fixedly mounted below the material receiving plate in an inclined manner;

the packaging box is characterized in that a V-shaped groove is formed above the material receiving plate, one side of the material receiving plate, which is close to the finished product box, is arranged to be an inclined plane, a discharging sliding plate is fixedly arranged at the bottom of the material receiving plate, the discharging sliding plate is arranged to incline towards the finished product box, an electric baffle is rotatably connected below the material receiving plate, the cross section of the electric baffle is L-shaped, the electric baffle rotates around a rotating shaft below the material receiving plate, the front end of the discharging sliding plate is positioned above the finished product box, the material receiving plate and the outlet end of the feeding screw bin are positioned on the same straight line, a groove is formed in the finished product box, a packaging belt is arranged in the groove, a packaging rod is slidably connected to the upper surface of the base plate, one end of the packaging rod is inserted into the finished product box, the packaging rod and the groove in the finished product box are positioned on the same plane, a clamping mechanism is arranged at the end of the packaging rod, and an electric soldering iron is fixedly arranged at the top of the groove in the finished product box, the electric iron is installed in the relative one side of packing pole, one side top fixed mounting that the feeding screw rod storehouse is close to the mounting panel has feedstock channel, feedstock channel top fixed mounting has former feed bin, connect the inside wind channel of having seted up of flitch, the wind channel is worn out from connecing flitch V type groove inclined plane, connect the flitch lateral wall to install the fan, the one end that connects the flitch to be close to the feeding screw rod storehouse rotates and is connected with by motor drive's sword that cuts.

As a preferred embodiment of the present invention, a bearing frame is fixedly mounted on the upper surface of the base plate, the bearing frame is located below the packing rod, a rotor gear is rotatably connected between the bearing frames through a rotating shaft, the outer wall of the rotor gear is a housing and a rotor, the rotating shaft is a stator, an anti-drop block is fixedly mounted at one end of the packing rod away from the clamping mechanism, the bottom end of the anti-drop block is lower than the lower surface of the packing rod, a plurality of sets of latch teeth are formed on the lower surface of the packing rod, and the latch teeth are in meshed connection with the rotor gear.

As a preferred embodiment of the present invention, the clamping mechanism includes a positioning claw, a control rod, a return spring, a push plate, a connecting shaft and a positioning shaft, an inner end of the positioning shaft is rotatably connected to an upper surface of the packing rod, a portion of the positioning shaft is slidably connected above the packing rod, the positioning claw is fixedly mounted at an outer end of the positioning shaft, the upper surface of the positioning shaft is rotatably connected to an outer end of the connecting shaft through a rotating shaft, an inner end of the positioning shaft is rotatably connected to the connecting shaft, the push plate is fixedly mounted on a side wall of the connecting shaft, the return spring is fixedly mounted on a side wall of the push plate, and one end of the return spring, which is far away from the push plate, is fixedly mounted in the packing rod.

As a preferred embodiment of the invention, the outlet end of the feeding screw bin is slidably connected with an adjusting plate, the lower surface of the adjusting plate is fixedly provided with an adjusting rack, a plurality of groups of holes are formed in the adjusting plate at equal intervals in the horizontal direction, a discharging mold is fixedly arranged on the outer side of each group of holes, the upper surface of the base plate is fixedly provided with a bearing seat, the bearing seat is positioned under the adjusting plate, a driving gear is rotatably connected between the bearing seats, the driving gear is meshed with the adjusting rack, and a positioning mechanism is arranged above the adjusting plate.

As a preferred embodiment of the present invention, the positioning mechanism above the adjusting plate includes a stable slideway, a positioning wheel, a wheel carrier, a fixing rod and a mounting bracket, the stable slideway is fixedly mounted on the upper surface of the adjusting plate, the cross section of the positioning wheel is i-shaped, the positioning wheel rides on the stable slideway and two sides, the side wall of the positioning wheel is rotatably connected to the outer wall of the wheel carrier through a rotating shaft, the fixing rod is fixedly mounted on the outer wall of the wheel carrier, the mounting bracket is fixedly mounted on the outer wall of the fixing rod, and the mounting bracket is fixedly mounted on the upper surface of the feeding screw bin.

As a preferred embodiment of the invention, a plurality of sets of anti-slip teeth are arranged on the inner side wall of the positioning claw, the outer end of the packing rod is connected with a shearing blade in a sliding manner, the shearing blade is driven by an electric push rod in the packing rod, and the shearing blade is positioned below the clamping mechanism.

In a preferred embodiment of the present invention, at least two groups of the packing rods are slidably connected to the upper surface of the base plate, and the packing rods are located below the material receiving plate.

In a preferred embodiment of the present invention, the bottom ends of the discharging dies have the same size, the discharging dies of a plurality of groups have different slopes, and each group of discharging dies has different inner diameters of the top outlets.

As a preferred embodiment of the invention, the feeding channel and the raw material bin are internally provided with a discharging hole, the raw material bin is internally rotatably connected with turbulence rollers, a plurality of groups of turbulence rollers surround the discharging hole, and the turbulence rollers are internally provided with motors for driving.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, after being extruded from the screw extruder, the PVC plastic pipe slides to the position above the material receiving plate, and is accelerated and cooled through the air duct on the material receiving plate, so that the PVC plastic pipe is hardened and shaped more quickly.

2. According to the invention, a plurality of groups of discharging dies are preset at the outlet end of the feeding screw bin, and the preset discharging dies are driven by the driving gear to be replaced, so that the extrusion diameter of the PVC plastic pipe can be quickly adjusted, and small batches of products with different diameters can be flexibly produced.

3. According to the invention, when the raw material bin feeds materials into the feeding screw bin, raw material particles in the raw material bin are stirred through the rotation of the turbulence rollers, so that different prepared raw materials are fully mixed, the uniform texture of the produced PVC pipe is ensured, and the product quality is improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the baling bar configuration of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of an adjusting plate according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention;

FIG. 7 is a schematic view of a spoiler roller according to the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 7 at D according to the present invention.

In the figure: 1. a base plate; 2. a finished product box; 3. mounting a plate; 4. a material receiving plate; 401. an air duct; 402. cutting knife; 5. a fan; 6. a baling rod; 601. a bearing bracket; 602. a rotor gear; 603. an anti-drop block; 7. A clamping mechanism; 701. a positioning claw; 702. a control lever; 703. a return spring; 704. pushing the plate; 705. crossing the connecting shaft; 706. positioning the shaft; 8. a shearing blade; 9. a feed screw bin; 10. a raw material bin; 11. a feed channel; 12. an adjusting plate; 13. discharging the die; 14. adjusting the rack; 15. a drive gear; 16. a bearing seat; 17. stabilizing the slideway; 18. positioning wheels; 19. a wheel carrier; 20. fixing the rod; 21. mounting a bracket; 22. a drive motor; 23. a synchronous belt; 24. a belt gear; 25. a turbulence roller; 26. a blanking hole; 27. a blanking sliding plate; 28. an electric baffle; 29. an electric soldering iron.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

most PVC tubular product extruders function is too single, and the tubular product of extruding is generally placed through simple V type frame or U type frame for the workman can only carry alone when the transport or rethread manual packing, and production efficiency is low.

Referring to fig. 1-4, an extrusion molding apparatus for processing PVC pipes includes a base plate 1, the base plate 1 is installed on the ground, an installation plate 3 is fixedly installed at one end of the upper surface of the base plate 1, a driving motor 22 is fixedly installed at the outer side of the installation plate 3, a feeding screw bin 9 is fixedly installed at the other side of the installation plate 3, two sets of extrusion screws are rotatably connected inside the feeding screw bin 9, the two sets of extrusion screws are engaged with each other, the extrusion screws are driven by the driving motor 22 to drive a belt gear 24 and a synchronous belt 23 to rotate, so that the two sets of extrusion screws rotate together to push raw materials inside the feeding screw bin 9 toward an outlet end, a material receiving plate 4 is fixedly installed at one end of the base plate 1 far from the installation plate 3, and a finished product box 2 is fixedly installed obliquely below the material receiving plate 4;

a V-shaped groove is formed above the material receiving plate 4 and used for placing a PVC plastic pipe extruded from the feeding screw bin 9, one side of the material receiving plate 4, which is close to the finished product box 2, is arranged to be an inclined plane, when the plastic pipe crosses the V-shaped groove, the plastic pipe can roll downwards along the inclined plane, a blanking sliding plate 27 is fixedly installed at the bottom of the material receiving plate 4, the blanking sliding plate 27 is obliquely arranged towards the finished product box 2 and used for rolling the plastic pipe, an electric baffle 28 is also rotatably connected below the material receiving plate 4, the cross section of the electric baffle 28 is L-shaped, the electric baffle 28 rotates around a rotating shaft below the material receiving plate 4 and is used for blocking the PVC plastic pipe, the front end of the blanking sliding plate 27 is positioned above the finished product box 2, so that the plastic pipe rolls from the blanking sliding plate 27 to the finished product box 2, the material receiving plate 4 and the outlet end of the feeding screw bin 9 are positioned on the same straight line, a groove is formed in the finished product box 2, and a packing belt is placed in the groove, the packing belt is placed in the groove in a U-shaped structure, two ends of the packing belt are respectively positioned on two sides of the finished product box 2, the upper surface of the base plate 1 is connected with a packing rod 6 in a sliding mode, one end of the packing rod 6 is inserted into the finished product box 2, the packing rod 6 and the groove in the finished product box 2 are positioned in the same plane, an electric soldering iron 29 is fixedly installed at the top of the groove in the finished product box 2, when the packing rod 6 drives the packing belt to be closed, the place where the packing belt is in contact is melted through the electric soldering iron 29 and is adhered together, the fixing of the packing belt is completed, the packing work of the PVC plastic pipe is realized, the electric soldering iron 29 is installed on one side opposite to the packing rod 6, a feeding channel 11 is fixedly installed at the top of one side, close to the mounting plate 3, a raw material bin 10 is fixedly installed above the feeding channel 11, an air channel 401 is arranged inside the material receiving plate 4, and the air channel 401 penetrates out from a V-shaped groove of the material receiving plate 4, the side wall of the material receiving plate 4 is provided with a fan 5, the air duct 401 can blow outwards, so as to accelerate the cooling of the PVC plastic pipe extruded from the feeding screw bin 9, so that the cooling hardening of the plastic pipe can be completed more quickly, and simultaneously, when the PVC plastic pipe needs to be transferred, the air quantity in the air duct 401 can be increased instantaneously, so that the PVC plastic pipe is blown out from the V-shaped groove and slides down to the finished product box 2 along the inclined plane, one end of the material receiving plate 4 close to the feeding screw bin 9 is rotatably connected with a cutting knife 402 driven by a motor, so as to cut off the PVC pipe, so that the PVC pipe has a corresponding length, the upper surface of the base plate 1 is fixedly provided with a bearing frame 601, the bearing frame 601 is positioned below the packing rod 6, a rotor gear 602 is rotatably connected between the bearing frames 601 through a rotating shaft, the outer wall of the rotor gear 602 is not only a shell but also a rotor, the rotating shaft is a stator, so that the rotor gear 602 can rotate through itself, an anti-falling block 603 is fixedly installed at one end of the packing rod 6 far away from the clamping mechanism 7, the packing rod 6 is prevented from excessively moving and falling off from the rotor gear 602, the bottom end of the anti-falling block 603 is lower than the lower surface of the packing rod 6, a plurality of groups of clamping teeth are arranged on the lower surface of the packing rod 6, the clamping teeth are meshed and connected with the rotor gear 602, the packing rod 6 is driven to horizontally move through the rotation of the rotor gear 602, the end part of the packing rod 6 is provided with the clamping mechanism 7 for clamping the end part of a packing belt, the clamping mechanism 7 comprises a positioning claw 701, a control rod 702, a reset spring 703, a push plate 704, a connecting shaft 705 and a positioning shaft 706, the inner end of the positioning shaft 706 is rotatably connected to the upper surface of the packing rod 6, the positioning shaft 706 can horizontally swing around the inner end of the positioning shaft 706, the rod part of the positioning shaft 706 is slidably connected above the packing rod 6, the positioning claw 701 is fixedly installed at the outer end of the positioning shaft 706, and the positioning claw 701 and the positioning shaft 706 can rotate mutually, the upper surface of a positioning shaft 706 is rotatably connected with the outer end of a connecting shaft 705 through a rotating shaft, the inner end of the positioning shaft 706 is rotatably connected in the connecting shaft 705, when the connecting shaft 705 moves along the outer side, the connecting shaft 705 drives a control rod 702 to expand towards two sides, when the control rod 702 expands towards two sides, the positioning shaft 706 is driven to swing towards two sides to expand, so as to drive a positioning claw 701 on the positioning shaft 706 to expand, a packing belt is placed in the positioning claw 701, a push plate 704 is fixedly arranged on the side wall of the connecting shaft, so as to facilitate pushing of the connecting shaft 705, a return spring 703 is fixedly arranged on the side wall of the push plate 704, one end of the return spring 703, which is far away from the push plate 704, is fixedly arranged in a packing rod 6, so that the return spring 703 can drive the connecting shaft 705 to automatically reset, the closing of the positioning claw 701 is kept, a plurality of groups of anti-skid teeth are arranged on the inner side wall of the positioning claw 701, so as to increase the clamping stability, a shearing blade 8 is slidably connected at the outer end of the packing rod 6, shear blade 8 and pass through the inside electric putter drive of packing pole 6, shear blade 8 and be located fixture 7 below, shear blade 8 simultaneously and be located the top of 29 horizontal positions of electric iron, after the packing area is connected by electric iron 29 and is accomplished, cut off unnecessary packing area through shearing blade 8, at least two sets of 6 sliding connection of packing pole at the bed plate 1 upper surface, guarantee the stability in packing area, be convenient for carry and shift the PVC plastic tubing.

Example two:

the existing PVC pipe extruder can only produce pipes with single pipe diameter, and the extrusion die needs to be manually replaced when the specification of the produced pipes is changed, so that time and labor are wasted.

Referring to fig. 5-8, an adjusting plate 12 is slidably connected to an outlet end of a feeding screw bin 9, a side wall of the feeding screw bin 9 contacting the adjusting plate 12 is connected by a slide rail, so as to ensure the installation stability of the adjusting plate 12, the adjusting plate 12 is of a circular arc structure, an adjusting rack 14 is fixedly installed on a lower surface of the adjusting plate 12, the adjusting rack 14 is uniformly distributed on the entire lower surface of the adjusting plate 12, a plurality of groups of holes are equidistantly formed in the adjusting plate 12 in the horizontal direction, discharge molds 13 are fixedly installed on the outer sides of the holes of each group, the bottom ends of the discharge molds 13 have the same size, the discharge molds 13 of the plurality of groups have different slopes, each group of discharge molds 13 has different top outlet inner diameters, so that PVC plastic pipes extruded by the discharge molds have different diameters, bearing seats 16 are fixedly installed on an upper surface of a base plate 1, the bearing seats 16 are located right below the adjusting plate 12, and drive gears 15 are rotatably connected between the bearing seats 16, the driving gear 15 is a rotor through a shell, an internal rotating shaft is a stator to realize self-powered rotation, the driving gear 15 is meshed with an adjusting rack 14 and drives an adjusting plate 12 to rotate through the driving gear 15, a positioning mechanism is arranged above the adjusting plate 12 to ensure that the adjusting plate 12 cannot fall off, the positioning mechanism above the adjusting plate 12 comprises a stable slideway 17, a positioning wheel 18, a wheel frame 19, a fixing rod 20 and a mounting bracket 21, the stable slideway 17 is fixedly arranged on the upper surface of the adjusting plate 12, the cross section of the positioning wheel 18 is I-shaped, the positioning wheel 18 rides above and on two sides of the stable slideway 17 to ensure that the adjusting plate 12 is stable, the side wall of the positioning wheel 18 is rotatably connected with the outer wall of the wheel frame 19 through the rotating shaft, the fixing rod 20 is fixedly arranged on the outer wall of the wheel frame 19, the mounting bracket 21 is fixedly arranged on the outer wall of the fixing rod 20, and the mounting bracket 21 is fixedly arranged on the upper surface of the feeding screw bin 9, thereby fixed multiunit locating wheel 18's position, feedstock channel 11 and former feed bin 10 are inside to have seted up unloading hole 26, and the inside raw materials of former feed bin 10 fall into feeding screw rod storehouse 9 through this hole, and former feed bin 10 is inside to rotate and is connected with vortex roller 25, and multiunit vortex roller 25 centers on around unloading hole 26, and vortex roller 25 built-in motor is used for the drive, reduces the space occupation of drive structure.

With the first and second embodiments, the working principle is as follows:

in the invention, when PVC plastic pipe is produced, raw materials are uniformly stirred and mixed by a turbulence roller 25 from a raw material bin 10, then fall into a feeding screw bin 9 through a feeding channel 11, the raw materials are driven by a screw rod to move to an outlet end in the feeding screw bin 9, are heated and melted by a heating wire at the outlet end, are extruded and molded from a discharging die 13, then slide to a material receiving plate 4, the PVC plastic pipe is subjected to accelerated cooling through an air duct 401 on the material receiving plate 4, is blown out from a V-shaped groove by increasing air volume after cooling is finished, and slides to an electric baffle 28 along an inclined plane, then the electric baffle 28 rotates and descends to enable the plastic pipe to continuously slide to a finished product box 2 along a discharging sliding plate 27, packing belts are placed in grooves of the finished product box 2, one ends of the packing belts are driven to extend to the other ends of the packing belts by extending out of a packing rod 6, when the two ends of the packing belts are contacted, electric iron 29 starts, heat packing area, make it melt the adhesion, then drive through electric putter and cut blade 8 and stretch out, cut off the unnecessary packing area above the packing area tie point, packing pole 6 returns afterwards, the workman can once only shift the PVC plastic tubing of packing completion, the workman's transport of being convenient for, save time, improve production efficiency, take the back away when the PVC plastic tubing, through placing new packing area again in the recess to finished product case 2, simultaneously with the one end block in packing area in advancing positioning pawl 701, can begin the production of next set of PVC plastic tubing, when the diameter of production plastic tubing needs to be changed, drive regulating plate 12 through drive gear 15 and rotate, select the export that the mould aimed at feeding screw rod storehouse 9 according to production needs, accomplish the switching of mould, be convenient for change, improve production efficiency.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The extrusion molding equipment for processing the PVC pipes comprises a base plate (1), wherein a mounting plate (3) is fixedly mounted at one end of the upper surface of the base plate (1), a driving motor (22) is fixedly mounted at the outer side of the mounting plate (3), a feeding screw bin (9) is fixedly mounted at the other side of the mounting plate (3), two groups of extrusion screws are rotatably connected in the feeding screw bin (9), and the extrusion screws drive a belt gear (24) and a synchronous belt (23) to rotate through the driving motor (22) and are driven, and the extrusion molding equipment is characterized in that a material receiving plate (4) is fixedly mounted at one end, far away from the mounting plate (3), of the base plate (1), and a finished product box (2) is fixedly mounted below the material receiving plate (4) in an inclined mode;

the material receiving plate is characterized in that a V-shaped groove is formed above the material receiving plate (4), one side, close to the finished product box (2), of the material receiving plate (4) is arranged to be an inclined plane, a discharging sliding plate (27) is fixedly arranged at the bottom of the material receiving plate (4), the discharging sliding plate (27) is arranged obliquely towards the finished product box (2), an electric baffle (28) is further rotatably connected below the material receiving plate (4), the cross section of the electric baffle (28) is L-shaped, the electric baffle (28) rotates around a rotating shaft below the material receiving plate (4), the front end of the discharging sliding plate (27) is positioned above the finished product box (2), the material receiving plate (4) and the outlet end of the feeding screw bin (9) are positioned on the same straight line, a groove is formed in the finished product box (2), a packing belt is placed in the groove, a packing rod (6) is slidably connected to the upper surface of the base plate (1), one end of the packing rod (6) is inserted in the finished product box (2), the packing rod (6) and the groove in the finished product box (2) are positioned in the same plane, a clamping mechanism (7) is arranged at the end part of the packing rod (6), an electric soldering iron (29) is fixedly arranged at the top of the groove in the finished product box (2), the electric iron (29) is arranged on one side opposite to the packing rod (6), the top of one side of the feeding screw rod bin (9) close to the mounting plate (3) is fixedly provided with a feeding channel (11), a raw material bin (10) is fixedly arranged above the feeding channel (11), an air channel (401) is arranged inside the material receiving plate (4), the air duct (401) penetrates out of the V-shaped groove inclined plane of the material receiving plate (4), a fan (5) is installed on the side wall of the material receiving plate (4), one end of the material receiving plate (4) close to the feeding screw bin (9) is rotatably connected with a cutting knife (402) driven by a motor.

2. The extrusion molding equipment for processing the PVC pipes according to claim 1, wherein a bearing frame (601) is fixedly mounted on the upper surface of the base plate (1), the bearing frame (601) is located below the packing rod (6), a rotor gear (602) is rotatably connected between the bearing frames (601) through a rotating shaft, the outer wall of the rotor gear (602) is a shell and a rotor, the rotating shaft is a stator, an anti-falling block (603) is fixedly mounted at one end, far away from the clamping mechanism (7), of the packing rod (6), the bottom end of the anti-falling block (603) is lower than the lower surface of the packing rod (6), and a plurality of groups of clamping teeth are formed on the lower surface of the packing rod (6) and are meshed with the rotor gear (602).

3. The extrusion molding equipment for processing PVC pipes according to claim 1, the clamping mechanism (7) comprises a positioning claw (701), a control rod (702), a return spring (703), a push plate (704), a connecting shaft (705) and a positioning shaft (706), the inner end of the positioning shaft (706) is rotatably connected to the upper surface of the packing rod (6), the rod part of the positioning shaft (706) is connected above the packing rod (6) in a sliding way, the positioning claw (701) is fixedly arranged at the outer end of the positioning shaft (706), the upper surface of the positioning shaft (706) is rotatably connected with the outer end of the connecting shaft (705) through a rotating shaft, the inner end of the positioning shaft (706) is rotatably connected in the cross shaft (705), a push plate (704) is fixedly arranged on the side wall of the cross shaft (705), the side wall of the push plate (704) is fixedly provided with a return spring (703), and one end of the return spring (703), which is far away from the push plate (704), is fixedly arranged in the packing rod (6).

4. The extrusion molding equipment of PVC tubular product processing according to claim 1, characterized in that, feed screw storehouse (9) exit end sliding connection has regulating plate (12), fixed surface installs regulation rack (14) under regulating plate (12), multiunit hole has been seted up to regulating plate (12) horizontal direction equidistance, and the equal fixed mounting in this hole outside of every group has ejection of compact mould (13), fixed surface installs bearing frame (16) on base plate (1), bearing frame (16) are located regulating plate (12) under, it has drive gear (15) to rotate to be connected between bearing frame (16), drive gear (15) are connected with regulation rack (14) meshing, positioning mechanism is installed to regulating plate (12) top.

5. The extrusion molding equipment of PVC tubular product processing of claim 4, characterized in that, the positioning mechanism of regulating plate (12) top is including stabilizing slide (17), locating wheel (18), wheel carrier (19), dead lever (20) and installing support (21), stabilize slide (17) fixed mounting at regulating plate (12) upper surface, the cross section of locating wheel (18) is the I shape, locating wheel (18) are ridden in stabilizing slide (17) top and both sides, locating wheel (18) lateral wall rotates through the pivot and connects at wheel carrier (19) outer wall, wheel carrier (19) outer wall fixed mounting has dead lever (20), dead lever (20) outer wall fixed mounting has installing support (21), installing support (21) fixed mounting is at feeding screw rod storehouse (9) upper surface.

6. The extrusion molding equipment for processing the PVC pipes as claimed in claim 3, wherein the inner side wall of the positioning claw (701) is provided with a plurality of sets of anti-slip teeth, the outer end of the packing rod (6) is slidably connected with a shearing blade (8), the shearing blade (8) is driven by an electric push rod inside the packing rod (6), and the shearing blade (8) is located below the clamping mechanism (7).

7. The extrusion molding equipment for processing the PVC pipes as claimed in claim 2, wherein at least two groups of the packing rods (6) are slidably connected to the upper surface of the base plate (1), and the packing rods (6) are positioned below the material receiving plate (4).

8. The extrusion molding equipment for processing PVC pipes as recited in claim 4, wherein the bottom ends of the discharging dies (13) have the same size, the discharging dies (13) in different groups have different slopes, and each group of discharging dies (13) has different top outlet inner diameters.

9. The PVC pipe processing extrusion molding equipment according to claim 1, wherein a blanking hole (26) is formed in the feeding channel (11) and the raw material bin (10), the raw material bin (10) is connected with turbulence rollers (25) in a rotating mode, a plurality of groups of turbulence rollers (25) surround the blanking hole (26), and a motor is arranged in each turbulence roller (25) and used for driving.