CN212219217U

CN212219217U - Traction device for plastic pipe extrusion molding

Info

Publication number: CN212219217U
Application number: CN202020877509.5U
Authority: CN
Inventors: 袁致伟; 吉诚启; 尤恒花; 周承宝
Original assignee: Spg Machinery Shandong Co ltd
Current assignee: Spg Machinery Shandong Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-25
Anticipated expiration: 2030-05-22

Abstract

The utility model provides a draw gear for plastics tubular product extrusion moulding, including extruding head, basin, running roller, tractor, circulating water pump, water pipe and solenoid valve, the bottom of basin is provided with circulation tank, and the front and back end of basin is provided with return water mouth and delivery port, and return water mouth and delivery port are connected with circulation tank through one section water pipe respectively, be provided with through-hole and the sealing washer that is used for passing through plastics tubular product around the basin on the lateral wall, be provided with first installation flange and second installation flange about the basin on the side inner wall, be provided with first roller and second roller on first installation flange and the second installation flange respectively, the top of basin is provided with vice tractor, and vice tractor includes quick-witted case, gear motor, balancing weight, driving shaft, driven shaft and driving roller, the running roller and the second roller cooperation of driving roller. The device has the advantages of high space utilization rate, low energy consumption, contribution to improving the production efficiency, good practicability and suitability for large-scale popularization.

Description

Traction device for plastic pipe extrusion molding

Technical Field

The utility model belongs to the technical field of plastics tubular product production facility, especially, relate to a draw gear for plastics tubular product extrusion moulding.

Background

In the plastic pipe extrusion molding production, in the initial stage of molding extrusion (namely, the stage from the discharge of a die to the traction of a material), continuous pressure is provided for a molten material by the rotation of a screw extruder to serve as extrusion power, an extrusion head extrudes a pipe, and the pipe is cooled by a water tank under the action of the traction machine until being conveyed to the next working section.

In the prior art, patent CN201720360476.5 discloses a plastic pipe traction cooling device, which comprises a plastic pipe extruder, wherein a plurality of groups of rollers arranged up and down are arranged outside an extrusion head of the plastic pipe extruder, a conveyor belt is arranged below the rollers, and the upper surface of the conveyor belt is in contact with the lower ends of the rollers to drive the rollers to rotate; the water spraying device is characterized in that a water spraying pipe is arranged above the roller wheel, a plurality of spray heads are arranged on the water spraying pipe, a water tank is arranged below the roller wheel, a water pump is arranged in the water tank, and the water pump is connected with the water spraying pipe through a water pipe. The device provides a plastic pipe traction cooling device, which can be used for traction of a plastic pipe; meanwhile, the extrusion head can be cooled, and the plastic pipe can be cooled and shaped. However, the device has the problems of large volume, high production cost and low space utilization rate; moreover, the load of the conveyor belt is large, the length of the water tank is long, and especially under the condition that the number of the traction pipes is large, the energy consumption of the whole traction work is large, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell draw gear exists, provide a reasonable in design, simple structure, energy consumption are few, with low costs, space utilization is higher and life is longer be used for plastics tubular product extrusion moulding's draw gear.

In order to achieve the above purpose, the technical solution adopted by the present invention is that, the traction device for plastic pipe extrusion molding provided by the present invention comprises an extrusion head, a water tank, a roller, a tractor, a circulating water pump, a water pipe and a solenoid valve, wherein the bottom of the water tank is provided with a circulating water tank, the front and rear ends of the water tank are respectively provided with a water return port and a water outlet, the water return port and the water outlet are respectively connected with the circulating water tank through a section of water pipe, the water pipe is provided with the solenoid valve, the front and rear side walls of the water tank are provided with through holes for passing through the plastic pipe, the through holes are provided with sealing rings, the inner walls of the left and right sides of the water tank are provided with a first installation convex plate and a second installation convex plate which are distributed up and down, the first installation convex plate is provided with a plurality of first roller shafts on one side of the first installation convex, first roller and the crisscross distribution of second roller, first roller is provided with a plurality of running rollers, the second roller is the smooth roller, the top of basin is provided with vice tractor, vice tractor includes quick-witted case, the outside of machine case is provided with gear motor, be provided with the balancing weight with gear motor relative distribution on the quick-witted case, the inside of machine case is provided with driving shaft, driven shaft and drive roll axle, the driving shaft passes through belt drive with the driven shaft, the driven shaft passes through belt drive with the drive roll axle, the both ends of drive roll axle set up on first installation flange, be provided with a plurality of running rollers on the drive roll axle, the running roller of drive roll axle cooperates from top to bottom with a second roller.

Preferably, a filter screen vertical to the bottom surface of the circulating water tank is arranged in the position, close to the water outlet, of the circulating water tank.

Preferably, a drying box is arranged on one side of the water tank facing the tractor, the drying box is arranged at the top of the circulating water tank, and the plastic pipes penetrate through the front side face and the rear side face of the drying box.

Preferably, the top of the circulating water tank is provided with a mounting groove for placing a water tank, and one side of the mounting groove facing the tractor is an open end.

Preferably, the side surface of the roller is V-shaped.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model provides a traction device for plastic pipe extrusion molding, which utilizes the circulating water tank, the circulating water pump and the water pipe to improve the working efficiency of cooling water in the water tank, and the space distribution of the circulating water tank and the water tank is reasonable, and the space utilization rate is higher; through overall arrangement roller inside the basin and increased vice tractor and improve the traction efficiency of this device, simple structure, the energy consumption is low, and space utilization is higher, and the position of vice tractor can adjust according to the actual condition of pulling moreover, and the practicality is better to be fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of a drawing device for extrusion molding of plastic pipes according to an embodiment;

FIG. 2 is a side view of a drawing device for extrusion molding of plastic pipes provided by an embodiment;

in the above figures, 1, the extrusion head; 2. a water tank; 21. a water return port; 22. a water outlet; 3. a tractor; 4. a water circulating pump; 5. a water pipe; 6. a first mounting flange; 7. a second mounting flange; 8. a first roller shaft; 9. a second roller shaft; 10. a roller; 11. a circulating water tank; 111. mounting grooves; 12. an auxiliary tractor; 121. a chassis; 122. a reduction motor; 123. a balancing weight; 124. a drive shaft; 125. a driven shaft; 126. a drive roll shaft; 13. a filter screen; 14. a drying oven; 15. and (5) sealing rings.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1 and 2, the utility model provides a draw gear for plastic pipe extrusion moulding, including extruding head 1, basin 2, running roller 10, tractor 3, circulating water pump 4, water pipe 5 and solenoid valve. Wherein, the structure of tractor 3, running roller 10, circulating water pump 4, water pipe 5 and solenoid valve is prior art, and this implementation is no longer repeated herein. On prior art's basis, the utility model discloses to be used for changing circulating water tank 11 setting of basin 2 normal water in the bottom of basin 2, the front and back end of basin 2 is provided with return water mouth 21 and delivery port 22 respectively, and return water mouth 21 and delivery port 22 are connected with circulating water tank 11 through one section water pipe 5 respectively, are provided with the solenoid valve on the water pipe 5, are provided with the through-hole that is used for passing through plastics tubular product on the lateral wall around the basin 2, and through-hole department is provided with sealing washer 15. Wherein, circulating water tank 11 is regularly changed the water in the basin, can guarantee the cleanliness of basin 2 normal water on the one hand, on the other hand can avoid the temperature rise in the basin 2 and make the cooling effect worsen, and importantly, circulating water tank 11's the volume that sets up reasonable compression design basin is in order to improve water cyclic utilization, and space utilization is higher, and the design volume of basin reduces moreover, and the volume of holding water is reduced, is favorable to reducing the buoyancy of plastics tubular product in the basin, improves the work efficiency of tractor.

Furthermore, the device is provided with a first installation convex plate 6 and a second installation convex plate 7 which are distributed up and down on the inner wall of the left side and the right side of a water tank 2, a plurality of first roller shafts 8 are arranged on the first installation convex plate 6 and are deviated to one side of a tractor 3, a plurality of second roller shafts 9 are arranged on the second installation convex plate 7 and are deviated to an extrusion head, the first roller shafts 8 and the second roller shafts 9 are distributed in a staggered mode, a plurality of roller wheels 10 are arranged on the first roller shafts 8, the second roller shafts 9 are smooth rollers, an auxiliary tractor 12 is arranged at the top of the water tank, the auxiliary tractor 12 comprises a case 121, a speed reducing motor 122 is arranged on the outer side of the case 121, a balancing weight 123 which is distributed opposite to the speed reducing motor is arranged on the case 121, a driving shaft 124, a driven shaft 125 and a driving roller shaft 126 are arranged inside the case 121, the driving shaft 124 and the driven shaft 125 are in belt transmission, the driven shaft 125 and the driving, the driving roller shaft 126 is provided with a plurality of rollers 11, and the rollers of the driving roller shaft 126 are vertically engaged with one second roller shaft 9. The second roll shaft 9 is in the form of a smooth roll, so that the design volume of the water tank is reduced, and the transmission efficiency of the plastic pipe between the second roll shaft and the driving roll shaft is ensured sufficiently. The through holes on the same straight line can serve one extruded section, so that the limiting effect is achieved, and meanwhile, the water level can submerge the plastic section to achieve the cooling purpose. The utility model discloses inside most roller settings are at basin 2, can practice thrift the space on the one hand, on the other hand can guarantee that the work piece realizes the cooling, still needs the effect of performance traction in addition when the refrigerated. Considering that plastic material density is little, can play spacing effect through distributing first roller 8 and second roller 9 crisscross, and the pressure of the running roller on the first roller 8 can reach dynamic balance with the buoyancy of work piece in aqueous, has retrencied roller and running roller quantity. The driving roll shaft 126 of the auxiliary tractor 12 is matched with the second roll shaft 9 to pull a workpiece, especially under the condition that the length of the water tank 2 is long and the distance between the positions of the tractor is long, and in addition, the limiting effect of the first roll shaft 8 and the second roll shaft 9 is added, so that the pulling efficiency of the whole device is greatly improved, wherein the balancing weight 123 plays a role in balancing the speed reducing motor 122, the whole auxiliary tractor 12 is stably located at the top of the water tank by utilizing the dead weight of the whole auxiliary tractor 12, and the position of the auxiliary tractor 12 can be artificially changed. The driving principle of the auxiliary tractor 12 is that the reduction motor 122 drives the driving shaft 124, the driving shaft 124 drives the driven shaft 125, and the driven shaft 125 drives the driving roller shaft 126, so that the whole transmission system has fewer parts, simple structure and prominent speed reduction effect, and the motor reasonably avoids splashing of water flow.

In order to improve the water utilization ratio, the utility model provides a position that is close to delivery port 22 among the circulation tank 11 is provided with circulation tank bottom surface vertically filter screen 13, utilizes the impurity of filter screen 13 filtration circulation aquatic, makes the water purification get into furthest performance cooling effect in the basin.

In order to improve production efficiency and production quality, the utility model discloses be provided with drying cabinet 14 in 2 one sides towards the tractor of basin, drying cabinet 14 sets up at circulating water tank 11's top, and plastics tubular product runs through the side around drying cabinet 14, utilizes drying cabinet 14 to remove partly moisture on the tubular product. It should be noted that, when the pipe passes through the through hole and the sealing ring on the rear side of the water tank, most of water on the pipe body can be filtered in the water tank, and the drying box plays a role in assisting drying.

In order to improve the space utilization of this device, the utility model discloses be provided with the mounting groove 111 that is used for placing the basin at circulating water tank 11's top, mounting groove 111 is open end towards one side of tractor 3, and the rear side of mounting groove can guarantee that the drying cabinet has sufficient space of spaning, also can guarantee that delivery port 22 can establish with circulating water tank 11 smoothly and be connected, and whole basin 2 is in very stable state moreover, and equipment work is simple.

In order to improve the efficiency of being drawn of plastics tubular product, the utility model provides a side of running roller 10 is V-arrangement can rationally restrict plastics tubular product, especially can inject the tubular product of most specifications, and the utilization ratio is higher.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A traction device for plastic pipe extrusion molding comprises an extrusion head, a water tank, rollers, a tractor, a circulating water pump, a water pipe and an electromagnetic valve, and is characterized in that a circulating water tank is arranged at the bottom of the water tank, a water return port and a water outlet are respectively arranged at the front end and the rear end of the water tank, the water return port and the water outlet are respectively connected with the circulating water tank through a section of water pipe, the electromagnetic valve is arranged on the water pipe, through holes for passing through the plastic pipe are formed in the front side wall and the rear side wall of the water tank, sealing rings are arranged at the through holes, a first installation convex plate and a second installation convex plate which are vertically distributed are arranged on the inner walls of the left side and the right side of the water tank, a plurality of first roller shafts are arranged on the first installation convex plate and are deviated to one side of the tractor, a plurality of second roller shafts are arranged on the second installation, the first roller is provided with a plurality of running rollers, the second roller is the smooth roll, the top of basin is provided with vice tractor, vice tractor includes quick-witted case, the outside of quick-witted case is provided with gear motor, be provided with the balancing weight with gear motor relative distribution on the quick-witted case, the inside of quick-witted case is provided with driving shaft, driven shaft and driving roller axle, the driving shaft passes through belt drive with the driven shaft, the driven shaft passes through belt drive with the driving roller axle, the both ends setting of driving roller axle is on first installation flange, be provided with a plurality of running rollers on the driving roller axle, the running roller of driving roller axle cooperates from top to bottom with a second roller axle.

2. The traction device for plastic pipe extrusion molding according to claim 1, wherein a filter screen perpendicular to the bottom surface of the circulating water tank is arranged in the circulating water tank at a position close to the water outlet.

3. The traction device for plastic pipe extrusion molding according to claim 2, wherein a drying box is arranged on one side of the water tank facing the traction machine, the drying box is arranged on the top of the circulating water tank, and the plastic pipe penetrates through the front side and the rear side of the drying box.

4. The traction device for plastic pipe extrusion molding according to claim 3, wherein the top of the circulating water tank is provided with a mounting groove for placing a water tank, and one side of the mounting groove facing the traction machine is an open end.

5. The traction device for plastic pipe extrusion molding according to claim 3, wherein the side surface of the roller is V-shaped.