CN212312680U

CN212312680U - Injection molding device for PVC (polyvinyl chloride) pipe

Info

Publication number: CN212312680U
Application number: CN201922087858.7U
Authority: CN
Inventors: 邹效良; 石泉福
Original assignee: Suzhou Taihe Pipe Manufacturing Co ltd
Current assignee: Suzhou Taihe Pipe Manufacturing Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2021-01-08
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to an injection molding device for PVC tubular product, carry out straight line evenly atress simultaneously and pull PVC pipe injection molding to cooperate the solidification ware to reduce the layer temperature of moulding plastics fast, ensure that the outer pipe layer takes shape fast under the straight state of PVC pipe diameter, effectively avoid the outer pipe layer to take place to warp, thereby ensure the outer structural strength and the quality of PVC trachea; the utility model is provided with a plurality of eccentric wheels at the feed hopper, which can scatter the feed material, prevent the feed hopper from blocking, and is provided with a dust suction device, which can adsorb dust, prevent the dust from falling on the uncured PVC pipe, and ensure the quality of PVC pipe injection molding; the utility model can filter and radiate the circulating water in the curing device, thereby avoiding the influence on the quality of the PVC pipe caused by excessive impurities and temperature rise in the circulating water after long-term use; the utility model discloses can cool off the PVC pipe fast, not only can prevent that dust, granule in the air from adsorbing at PVC pipe surface, the cooling efficiency is high moreover, has improved PVC production efficiency greatly.

Description

Injection molding device for PVC (polyvinyl chloride) pipe

Technical Field

The utility model relates to a PVC pipe production facility technical field, concretely relates to device of moulding plastics for PVC tubular product.

Background

PVC is a material with main component of polyvinyl chloride and other components added to enhance its heat resistance, toughness and ductility. The top layer of the surface film is paint, the main component of the middle layer is polyvinyl chloride, and the bottom layer is back coating adhesive, which is a synthetic material that is popular, popular and widely used in the world today. Its global usage is second highest among various synthetic materials. It is only in 1995 a year that PVC has been statistically produced in europe at around five million tons and consumed at five million thirty million tons. In germany, the production and consumption of PVC averages one hundred and forty million tons.

In the production and processing process of PVC pipe, need mould plastics at the skin of PVC pipe, mould plastics to the PVC pipe and need use injection moulding device, injection moulding device among the prior art has appeared including moulding plastics, precooling, roll sign indicating number, the integrative injection moulding device of solid phone, and production efficiency has had great improvement, and its shortcoming lies in:

1. the traction device at the tail end of the injection molding equipment is simple in structure, inconvenient to adjust and insufficient in clamping stability of the PVC pipe;

2. the solidified PVC pipe is discharged under the traction of a traction device, but the prior art does not have a process for detecting the temperature of the solidified PVC pipe, namely the traction speed of the traction device cannot be adjusted according to the cooling condition of the PVC pipe, and the quality of the processed PVC pipe cannot be guaranteed;

3. all devices in the prior art are designed in an open mode, so that dust can be easily attached to a PVC pipe which is just subjected to injection molding, and the dust in a workshop is still difficult to be sucked away even if a dust suction device is arranged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of moulding plastics for PVC tubular product to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of moulding plastics for PVC tubular product, includes injection molding machine, cooling device, the code rolling machine that arranges in proper order from right side to left side, the injection molding machine includes feeder hopper, blender and the head of moulding plastics, the upper end at the blender is established to the feeder hopper, is equipped with the pivot in the feeder hopper, be equipped with a plurality of eccentric wheels in the pivot, the right-hand member of pivot is equipped with frequency modulation motor, cooling device includes the cooling box, and PVC pipe is worn to be provided with in the inside of cooling box, and the outer lane of PVC pipe is provided with the raceway, installs the water storage box and the first water pump with cooling box bottom end inner wall connection under the PVC pipe, and the both ends of raceway are connected with water storage box and first water pump output respectively, and through the raceway intercommunication between water storage box and the first water.

Preferably, install the backup pad with cooler bin both sides inner wall connection directly over the PVC pipe, a plurality of first through-holes have been seted up along its length direction in the top of backup pad, the internal connection of first through-hole has first breathing pipe, the perpendicular welding in top of first breathing pipe has the second breathing pipe, and inside intercommunication of first breathing pipe and second breathing pipe, the one end that first breathing pipe was kept away from to the second breathing pipe is connected with fixed case, and the inside intercommunication of fixed case and second breathing pipe, the top inner wall connection of fixed case has the fan, the bottom lateral wall of fan is connected with first dust screen, the second through-hole has been seted up along its length direction in the top of cooler bin, the internal connection of second through-hole has the second dust screen, and the inside intercommunication of second through-hole and fixed case.

Preferably, the vertical face of raceway is the type of returning the words, and the raceway is located under first trachea, and raceway and first trachea parallel arrangement, and first trachea's vertical face is the infundibulate, and the setting of a plurality of first trachea straight line levels, and parallel arrangement between a plurality of first trachea.

Preferably, draw gear's the right-hand solidification ware that is equipped with, the solidification ware includes water tank, tye and filter equipment, is provided with the second water pump in the water tank, and the tye setting corresponds the position of PVC pipe in the water tank top, and the tye passes through pipe connection with the second water pump, and filter equipment sets up on the pipeline, filter equipment includes end to end's filter and radiator, and the filter inboard is provided with the filter core, and the radiator inboard is provided with many spiral radiating tubes, and the both ends of many spiral radiating tubes all are connected with the bunched pipe, and the radiator passes through the pipe connection of bunched pipe and filter and connection tye.

Preferably, draw gear includes the same last tractor of structure and tractor down, goes up the tractor and includes the bottom plate of two horizontal arrangements, has the mount pad along its length direction fixed mounting on the bottom plate, is provided with between two mount pads and pulls the track, and the direction of pulling the track is the direction of delivery of PVC pipe.

Preferably, the both ends cover of traction track is established at the action wheel and is followed the driving wheel, the action wheel passes through the motor drive of fixed mounting in the right side mount pad, motor output shaft passes the mount pad and passes through the bearing rotation and connect on the mount pad of left side, action wheel and the coaxial fixed connection of output shaft, rotate through the pivot from the driving wheel and connect between two mount pads, the action wheel is on same water flat line from the driving wheel, the pivot passes through sprocket drive with the output shaft and is connected, traction track working surface is opened along its length direction has the V-arrangement groove, lower tractor sets up in last tractor below, lower tractor passes through the hydraulic stretching post and is connected with last tractor, hydraulic stretching post both ends are fixed mounting respectively on the bottom plate upper surface of tractor under and the bottom plate lower surface of last tractor, each hydraulic stretching post passes through the pipe connection.

Preferably, the right end of the solidifying device is provided with a supporting wheel which can be adjusted up and down, the right side of the solidifying device is provided with a rolling machine, the upper side and the lower side of the rolling machine are respectively provided with an adjusting wheel and a rolling wheel, the lower part of the rolling wheel is provided with a pigment groove, and the right side of the rolling machine is provided with a cooling device.

Preferably, the upper end of the traction device is provided with a dust suction device, the dust suction device is connected with a dust suction box, the right end of the dust suction box is connected with a dust suction pipe, the right end of the dust suction pipe is provided with a dust suction disc, and the dust suction disc is positioned right above the position between the curing device and the injection molding machine.

Compared with the prior art, the utility model discloses an injection molding device for PVC tubular product carries out straight line evenly atress traction simultaneously with PVC pipe injection molding, and cooperates with the solidification ware to reduce the layer temperature of moulding plastics fast, ensures that outer pipe layer rapid prototyping under the straight state of PVC pipe diameter, effectively avoids outer pipe layer to take place to warp to ensure the outer structural strength and the quality of PVC trachea, and its machining efficiency is high, can effectively reduce manufacturing cost, improves use value; the utility model is provided with a plurality of eccentric wheels at the feed hopper, which can scatter the feed material, prevent the feed hopper from blocking, and is provided with a dust suction device, which can adsorb dust, prevent the dust from falling on the uncured PVC pipe, and ensure the quality of PVC pipe injection molding; the utility model discloses the filter equipment that sets up in the solidification ware can filter and dispel the heat to solidification ware well circulating water, avoids the circulating water after long-term use too much impurity and temperature rise thereby influence PVC pipe quality, has further improved the processingquality of PVC pipe; the utility model discloses a cooling device can cool off the PVC pipe fast, not only can prevent that dust, granule in the air from adsorbing at PVC pipe surface, and cooling efficiency is high moreover, has improved PVC production efficiency greatly to easy operation, low in production cost has very high economic nature, is fit for large-scale popularization.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of an injection molding apparatus for PVC pipes according to the present invention;

FIG. 2 is a schematic structural view of a cooling device used in an injection molding device for PVC pipes according to the present invention;

FIG. 3 is a schematic structural view of a curing device used in an injection molding apparatus for PVC pipes according to the present invention;

FIG. 4 is a schematic structural view of a filter device used in an injection molding device for PVC pipes according to the present invention;

fig. 5 is a schematic structural view of a traction device used in an injection molding device for PVC pipes.

In the drawings:

1. an injection molding machine; 2. a cooling device; 3. a traction device; 4. a mixer; 5. an injection head; 6. a feed hopper; 7. a rotating shaft; 8. an eccentric wheel; 9. a frequency modulation motor; 10. a cooling tank; 11. PVC pipes; 12. a water delivery pipe; 13. a water storage tank; 14. a first water pump; 15. a support plate; 16. a first through hole; 17. a first inhalation tube; 18. a second suction duct; 19. a fixed box; 20. a fan; 21. a first dust screen; 22. a second through hole; 23. a second dust screen; 24. a curing device; 25. a filtration device; 26. a launder; 27. a water tank; 28. a second water pump; 29. a spiral radiating pipe; 30. a heat sink; 31. a filter; 32. a filter element; 33. a base plate; 34. a hydraulic telescopic column; 35. a driven wheel; 36. a motor; 37. an output shaft; 38. a traction caterpillar; 39. a driving wheel; 40. a mounting seat; 41. a riding wheel; 42. code rolling machine; 43. a pressure regulating wheel; 44. A pigment groove; 45. a code rolling wheel; 46. a dust collection device; 47. a dust collection box; 48. a dust collection pipe; 49. a dust collection disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a device of moulding plastics for PVC tubular product, includes injection molding machine 1, cooling device 2, the code printer 42 that rolls, solidification ware 24 and draw gear 3 of arranging in proper order from a right side to a left side, injection molding machine 1 includes feeder hopper 6, blender 4 and the head 5 of moulding plastics, feeder hopper 6 is established in the upper end of blender 4, is equipped with pivot 7 in the feeder hopper 6, be equipped with a plurality of eccentric wheels 8 in the pivot 7, the right-hand member of pivot 7 is equipped with frequency modulation motor 9, can break up the feeding, prevents the feeder hopper putty.

The cooling device 2 in this embodiment includes a cooling box 10, a PVC pipe 11 is disposed in the cooling box 10 in a penetrating manner, a water pipe 12 is disposed on an outer ring of the PVC pipe 11, a water storage tank 13 and a first water pump 14 which are connected to an inner wall of a bottom end of the cooling box 10 are installed right below the PVC pipe 11, two ends of the water pipe 12 are respectively connected to output ends of the water storage tank 13 and the first water pump 14, the water storage tank 13 and the first water pump 14 are communicated with each other through the water pipe 12, a support plate 15 which is connected to inner walls of two sides of the cooling box 10 is installed right above the PVC pipe 11, a plurality of first through holes 16 are formed in a top end of the support plate 15 along a length direction thereof, a first air suction pipe 17 is connected to an inside of the first through holes 16, a second air suction pipe 18 is vertically welded to a top end of the first air suction pipe 17, the first air suction pipe 17 is communicated with the second air suction pipe 18, and the fixed box 19 is communicated with the inside of the second air suction pipe 18, the inner wall of the top end of the fixed box 19 is connected with a fan 20, the side wall of the bottom end of the fan 20 is connected with a first dustproof net 21, the top end of the cooling box 10 is provided with a second through hole 22 along the length direction, the inside of the second through hole 22 is connected with a second dustproof net 23, and the second through hole 22 is communicated with the inside of the fixed box 19. When cooling off PVC pipe 11, add cold water in the water storage box 13, start first water pump 14, first water pump 14 carries the water source to raceway 12 in, the water source absorbs the heat on PVC pipe 11 surface in the in-process of carrying, meanwhile, start fan 20, under the wind-force effect, the heat that gives out gets into first breathing pipe 17, get into second breathing pipe 18 from first breathing pipe 17, get into fixed box 19 from second breathing pipe 18, discharge to the external world from second through-hole 22 at last, setting through fan 20, can effectually prevent the dust, the granule adsorbs on PVC pipe 11 surface, this design is simple swift, and is simple to operate, low in production cost, there is very high economic nature, and is suitable for large-scale popularization.

In this embodiment the vertical face of raceway 12 is the type of returning words, first trachea 17's vertical face is the infundibulate, raceway 12 is located under first trachea 17, and raceway 12 and first trachea 17 parallel arrangement, a plurality of first trachea 17 straight line levels set up, and parallel arrangement between a plurality of first trachea 17, the passageway has been seted up along its length direction to one side lateral wall of cooler bin 10, passageway internal connection has transparent observation window, the inner chamber of cooler bin 10 is equipped with the battery that is used for the power supply, and the outer end of cooler bin 10 be equipped with battery electric connection's the interface that charges.

In this embodiment, the right side of the traction device 3 is provided with the solidification device 24, the solidification device 24 includes a water tank 27, a water flowing tank 26 and a filtering device 25, the water tank 27 is internally provided with a second water pump 28, the water flowing tank 26 is arranged at a position corresponding to the PVC pipe above the water tank 27, the water flowing tank 26 is connected with the second water pump 28 through a pipeline, the filtering device 25 is arranged on the pipeline, the filtering device 25 includes a filter 31 and a radiator 30 which are connected end to end, the filter element 32 is arranged inside the filter 31, the inner side of the radiator 30 is provided with a plurality of spiral radiating pipes 29, two ends of the plurality of spiral radiating pipes 29 are connected with a bundling pipe, and the radiator 30 is connected with the filter 31 and the pipeline connected with the water.

The traction device 3 in this embodiment includes an upper tractor and a lower tractor having the same structure, the upper tractor includes two horizontally arranged bottom plates 33, mounting seats 40 are fixedly mounted on the bottom plates 33 along the length direction (i.e. the traction direction of the PVC pipe), a traction crawler 38 is disposed between the two mounting seats 40, the traction direction of the traction crawler 38 is the conveying direction of the PVC pipe, two ends of the traction crawler 38 are sleeved on a driving wheel 39 and a driven wheel 35, the driving wheel 39 is driven by a motor 36 fixedly mounted in a right mounting seat 40, an output shaft 37 of the motor 36 passes through the mounting seats 40 and is rotatably connected to a left mounting seat 40 through a bearing, the driving wheel 39 and the output shaft 37 are coaxially and fixedly connected, the driven wheel 35 is rotatably connected between the two mounting seats 40 through a rotating shaft, the driving wheel 39 and the driven wheel 35 are on the same horizontal line, the rotating shaft and the output shaft 37 are in transmission connection through a chain wheel (, the working surface of the traction crawler 38 is provided with a V-shaped groove along the length direction, the lower tractor is arranged below the upper tractor, the lower tractor is connected with the upper tractor through a hydraulic telescopic column 34, two ends of the hydraulic telescopic column 34 are respectively and fixedly arranged on the upper surface of a bottom plate 33 of the lower tractor and the lower surface of the bottom plate 33 of the upper tractor, and each hydraulic telescopic column 34 is connected with a hydraulic system arranged on the outer side of the bottom plate 33 through a pipeline.

In this embodiment, the right end of the curing device 24 is provided with a supporting roller 41 capable of being adjusted vertically, the right side of the curing device 24 is provided with a rolling machine 42, the upper side and the lower side of the rolling machine 42 are respectively provided with a pressure regulating roller 43 and a rolling wheel 45, the lower part of the rolling wheel 45 is provided with a pigment groove 44, the right side of the rolling machine 42 is provided with a cooling device 2, the upper end of the traction device 3 is provided with a dust suction device 46, the dust suction device 46 is connected with a dust suction box 47, the right end of the dust suction box 47 is connected with a dust suction pipe 48, the right end of the dust suction pipe 48 is provided with a dust suction disc 49, the dust suction disc 49 is positioned right above the position between the curing device 24 and the injection molding machine 1, dust can be adsorbed, dust is prevented from falling on an uncured PVC pipe, and the. This product carries out the even atress of straight line and pulls when moulding plastics outer pipe layer with the PVC trachea to the cooperation solidification reduces the layer temperature of moulding plastics fast, ensures that outer pipe layer rapid prototyping under the straight state of PVC pipe effectively avoids outer pipe layer to take place to warp, thereby ensures tracheal outer structural strength of PVC and quality, and its machining efficiency is high, can effectively reduce manufacturing cost, improves use value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection moulding device for PVC tubular product, includes injection molding machine (1), cooling device (2), roll ink recorder (42), solidification ware (24) and draw gear (3) that arrange in proper order from right side to left, its characterized in that: the injection molding machine (1) comprises a feed hopper (6), a mixer (4) and an injection molding head (5), the feed hopper (6) is arranged at the upper end of the mixer (4), a rotating shaft (7) is arranged in the feed hopper (6), a plurality of eccentric wheels (8) are arranged on the rotating shaft (7), a frequency modulation motor (9) is arranged at the right end of the rotating shaft (7), the cooling device (2) comprises a cooling tank (10), a PVC pipe (11) is arranged in the cooling tank (10) in a penetrating way, a water delivery pipe (12) is arranged on the outer ring of the PVC pipe (11), a water storage tank (13) and a first water pump (14) which are connected with the inner wall of the bottom end of the cooling tank (10) are arranged right below the PVC pipe (11), two ends of the water delivery pipe (12) are respectively connected with the output ends of the water storage tank (13) and the first water pump (14), and the water storage tank (13) is communicated with the first water pump (14) through a water delivery pipe (12).

2. An injection molding apparatus for PVC tubing as claimed in claim 1, wherein: a supporting plate (15) connected with the inner walls of two sides of the cooling box (10) is installed right above the PVC pipe (11), a plurality of first through holes (16) are formed in the top end of the supporting plate (15) along the length direction of the supporting plate, a first air suction pipe (17) is connected inside the first through holes (16), a second air suction pipe (18) is perpendicularly welded on the top end of the first air suction pipe (17), the first air suction pipe (17) is communicated with the second air suction pipe (18), a fixed box (19) is connected to one end, far away from the first air suction pipe (17), of the second air suction pipe (18), the fixed box (19) is communicated with the inside of the second air suction pipe (18), a fan (20) is connected to the inner wall of the top end of the fixed box (19), a first dust screen (21) is connected to the side wall of the bottom end of the fan (20), a second through hole (22) is formed in the top end of the cooling box (10) along the, and the second through hole (22) communicates with the inside of the fixed case (19).

3. An injection molding apparatus for PVC tubing as claimed in claim 1, wherein: the vertical face of raceway (12) is for returning the style of calligraphy, and raceway (12) are located under first trachea (17), and raceway (12) and first trachea (17) parallel arrangement, and the vertical face of first trachea (17) is the infundibulate, and a plurality of first trachea (17) straight line level sets up, and parallel arrangement between a plurality of first trachea (17).

4. An injection molding apparatus for PVC tubing as claimed in claim 1, wherein: right-hand solidification ware (24) that is equipped with of draw gear (3), solidification ware (24) include water tank (27), tye (26) and filter equipment (25), are provided with second water pump (28) in water tank (27), and tye (26) set up the position that corresponds the PVC pipe in water tank (27) top, and tye (26) pass through the pipe connection with second water pump (28), and filter equipment (25) set up on the pipeline, filter equipment (25) are including end to end's filter (31) and radiator (30), and filter (31) inboard is provided with filter core (32), and radiator (30) inboard is provided with many spiral radiating pipe (29), and the both ends of many spiral radiating pipe (29) all are connected with the bunched pipe, and radiator (30) are through the pipe connection of bunched pipe with filter (31) and connection tye (26).

5. An injection molding apparatus for PVC tubing as claimed in claim 1, wherein: draw gear (3) including the last tractor and the lower tractor that the structure is the same, go up tractor and include two horizontally arranged bottom plate (33), there are mount pad (40) along its length direction fixed mounting on bottom plate (33), are provided with between two mount pad (40) and pull track (38), and the direction of pull of pulling track (38) is the direction of delivery of PVC pipe.

6. An injection molding apparatus for PVC pipe according to claim 5, wherein: the two ends of a traction crawler (38) are sleeved on a driving wheel (39) and a driven wheel (35), the driving wheel (39) is driven by a motor (36) fixedly arranged in a right mounting seat (40), an output shaft (37) of the motor (36) penetrates through the mounting seat (40) and is rotatably connected to a left mounting seat (40) through a bearing, the driving wheel (39) and the output shaft (37) are coaxially and fixedly connected, the driven wheel (35) is rotatably connected between the two mounting seats (40) through a rotating shaft, the driving wheel (39) and the driven wheel (35) are on the same horizontal line, the rotating shaft is in transmission connection with the output shaft (37) through a chain wheel, a V-shaped groove is formed in the working surface of the traction crawler (38) along the length direction of the working surface, a lower tractor is arranged below an upper tractor, the lower tractor is connected with the upper tractor through a hydraulic telescopic column (34), the two ends of the hydraulic telescopic column (34) are respectively and fixedly arranged on the upper surface, each hydraulic telescopic column (34) is connected with a hydraulic system arranged outside the bottom plate (33) through a pipeline.

7. An injection molding apparatus for PVC tubing as claimed in claim 1, wherein: the right-hand member of solidification ware (24) is equipped with riding wheel (41) that can go up the lower surface and adjust, and solidification ware (24) right-hand member is equipped with rolls ink recorder (42), the upside and the downside of rolling ink recorder (42) are equipped with pressure regulating wheel (43) and roll code wheel (45) respectively, the lower part of rolling ink recorder (45) is equipped with pigment groove (44), and the right-hand member of rolling ink recorder (42) is equipped with cooling device (2).

8. An injection molding apparatus for PVC tubing as claimed in claim 1, wherein: the upper end of draw gear (3) is equipped with dust extraction (46), dust extraction (46) are connected with dust collection box (47), the right-hand member of dust collection box (47) is connected with dust absorption pipe (48), the right-hand member of dust absorption pipe (48) is equipped with dust absorption dish (49), dust absorption dish (49) are located directly over the position between solidification ware (24) and injection molding machine (1).