CN211566757U

CN211566757U - Water-cooled injection mold for PVC pipeline production

Info

Publication number: CN211566757U
Application number: CN201921777515.7U
Authority: CN
Inventors: 皮秀林
Original assignee: Individual
Current assignee: Ningbo Haoyang Mechanical Equipment Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-09-25
Anticipated expiration: 2029-10-22

Abstract

The utility model provides a water-cooling injection mold is used in PVC pipeline production belongs to PVC tubular product technical field, which comprises a support plate, the bed die, and a support, the water tank, a water pump, the conveyer pipe, the pipe that absorbs water, the water injection pipe, the lower convex block, go up the mould, go up the convex block, fixing bolt, butt joint pipe, the rubber seal ring, mould plastics hole and anchor strut, the top welding of support plate is provided with the bed die, the bottom welding of support plate is provided with four supports, be provided with the water tank through the branch welding between the support, the top of water tank is provided with the water pump through the branch welding, the top embedding welding of water tank has the conveyer pipe, the. The utility model provides a water pump is through absorbing water pipe, water injection pipe, with the water injection bed die in the water tank with go up the mould in, make water quick flow in bed die and last mould, water just can take away the heat of bed die and last mould, make the quick cooling of the PVC tube head in bed die and the last mould, it is fast to have cooling rate, advantages such as production efficiency height.

Description

Water-cooled injection mold for PVC pipeline production

Technical Field

The utility model relates to a PVC tubular product technical field, it is specific, relate to an injection mold is used in PVC pipeline production.

Background

PVC pipe is hard polyvinyl chloride pipe promptly, by polyvinyl chloride resin and stabilizer, use hot pressing method extrusion behind the cooperation such as emollient, be the plastic material that obtains development and application at the earliest, the PVC pipe is exactly a plastic tubing, the PVC tube head of general butt joint of PVC pipe when the butt joint is in the same place two PVC union couplings, and the PVC tube head is heated the PVC and is melted the back and pour into injection mold into, wait for the PVC cooling to solidify the back and form the PVC tube head, so just need use injection mold in the PVC tube head production process, and injection mold among the prior art, can't make the quick cooling of PVC, lead to being in injection mold of PVC tube head long-time, influence the production efficiency of PVC tube head greatly, make PVC tube head production efficiency greatly reduced scheduling problem. Therefore, further research needs to be carried out on the basis of the plastic mold to provide a water-cooling injection mold for producing a PVC pipeline.

SUMMERY OF THE UTILITY MODEL

This kind of water-cooling injection mold for PVC pipeline production solves the above-mentioned unable quick cooling of PVC that makes that proposes, lead to the PVC tube head long-time in injection mold, influence the production efficiency of PVC tube head greatly, make the problem of PVC tube head production efficiency greatly descend, a water-cooling injection mold for PVC pipeline production is provided, water pump among this injection mold is through the pipe that absorbs water, the water injection pipe, with the water injection in the water tank in the bed die and the last mould, make water quick flow in bed die and last mould, the heat of bed die and last mould just can be taken away to water, make the quick cooling of PVC tube head in bed die and the last mould, it is fast to have cooling rate, advantages such as production efficiency height.

The utility model provides a following technical scheme: a water-cooling injection mold for PVC pipeline production comprises a support plate, a lower mold, supports, a water tank, a water pump, a conveying pipe, a water suction pipe, a water injection pipe, a lower convex block, an upper mold, an upper convex block, a fixing bolt, a butt joint pipe, a rubber sealing ring, an injection molding hole and a reinforcing rod, wherein the lower mold is welded at the top of the support plate, four supports are welded at the bottom of the support plate, the water tank is welded between the supports through supporting rods, the water pump is welded at the top of the water tank through the supporting rods, the conveying pipe is embedded and welded at the top of the water tank, the water suction pipe is embedded and welded at the top of the water pump, the water injection pipe is embedded and welded at the tops of the conveying pipe and the water injection pipe at the bottom of the lower mold, the lower convex block is arranged inside the lower mold, and the upper mold is tightly attached to the top, the inside of going up the mould is equipped with the lug, the middle activity of going up the mould runs through there is fixing bolt, and fixing bolt screw thread embedding at the top of lug down, the bottom embedding welding of going up the mould has two butt joint pipes, the top embedding of bed die bonds has two rubber seal rings, the open-top of going up the mould is provided with the hole of moulding plastics, the inner wall of going up mould and bed die all welds and is provided with a plurality of anchor bars.

Further preferred embodiments: the upper die and the lower die are both cylindrical, the height diameters of the upper die and the lower die are consistent, and circular hollow cavities are formed in openings of the inner portions of the upper die and the lower die.

Further preferred embodiments: the water tank is filled with water with an indefinite shape, and the volume of the water tank is greater than the sum of the volumes of the internal hollow cavities of the upper die and the lower die.

Further preferred embodiments: the reinforcing rods are distributed in the inner hollow cavities of the upper die and the lower die at equal intervals, and the reinforcing rods surround the hollow cavities.

Further preferred embodiments: the pipe orifices of the butt joint pipe are respectively positioned in the two hollow cavities, and the butt joint pipe penetrates through the middle of the rubber sealing ring.

Further preferred embodiments: the upper convex block is tightly attached to the top of the lower convex block, and the shapes and the sizes of the top of the upper convex block and the lower convex block are kept consistent.

Further preferred embodiments: the top of the injection hole is in a round table shape, and the bottom of the injection hole is in a cylindrical shape.

Has the advantages that: the water pump in the utility model injects water in the water tank into the lower die and the upper die through the water suction pipe and the water injection pipe, so that the water can rapidly flow in the lower die and the upper die, the water can take away the heat of the lower die and the upper die, and the PVC pipe heads in the lower die and the upper die are rapidly cooled, thereby greatly reducing the time of the PVC pipe heads staying in the lower die and the upper die, and rapidly cooling and forming the PVC pipe heads in the lower die and the upper die, thereby greatly increasing the production efficiency of the PVC pipe heads, and having the advantages of rapid cooling rate, high production efficiency and the like;

the utility model provides a rubber seal ring can increase the gas tightness to managing and bed die, makes the rivers flow stably in bed die and the last mould, avoids the gap department of managing and bed die to appear the problem of leaking, and fixing bolt is together fixed with bed die and last mould, makes the bed die fixed firm with last mould, and it is convenient to dismantle, and the anchor strut can increase the firm degree of bed die and last mould, and stress when offsetting the shaping of PVC tube head guarantees the quality of PVC tube head.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the lower mold of the present invention.

Fig. 3 is a schematic sectional view of the upper mold of the present invention.

Fig. 4 is a schematic view of the tangent plane structure of the lower mold of the present invention.

Fig. 5 is a schematic view of the tangent plane structure of the upper die of the present invention.

In FIGS. 1-5: the device comprises a carrier plate 1, a lower die 2, a support 3, a water tank 4, a water pump 5, a conveying pipe 6, a water suction pipe 7, a water injection pipe 8, a lower convex block 9, an upper die 10, an upper convex block 11, a fixing bolt 12, a butt joint pipe 13, a rubber sealing ring 14, an injection molding hole 15 and a reinforcing rod 16.

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 to 5, in an embodiment of the present invention, a water-cooling injection mold for PVC pipeline production includes a support plate 1, a lower mold 2, a support 3, a water tank 4, a water pump 5, a delivery pipe 6, a water suction pipe 7, a water injection pipe 8, a lower boss 9, an upper mold 10, an upper boss 11, a fixing bolt 12, a butt joint pipe 13, a rubber seal ring 14, an injection hole 15 and a reinforcing rod 16, the lower mold 2 is welded to the top of the support plate 1, the four supports 3 are welded to the bottom of the support plate 1, the water tank 4 is welded between the supports 3 through the supporting rods, the water pump 5 is welded to the top of the water tank 4 through the supporting rods, the delivery pipe 6 is welded to the top of the water tank 4, the water suction pipe 7 is welded to the top of the water tank 4, the top of the water suction pipe 7 is welded to the bottom of the water pump 5, the water injection pipe 8 is welded to the top of the, the inside of bed die 2 is equipped with lug 9 down, the top of bed die 2 is closely laminated with mould 10, the inside of going up mould 10 is equipped with lug 11, the middle activity of going up mould 10 is run through has fixing bolt 12, and the embedding of fixing bolt 12 screw thread is at the top of lug 9 down, fixing bolt 12 is in the same place bed die 2 with last mould 10 is fixed, it is fixed firm to make bed die 2 and last mould 10, it is convenient to dismantle, the bottom embedding welding of going up mould 10 has two butt joint pipes 13, the top embedding of bed die 2 bonds has two rubber seal rings 14, the open-top of going up mould 10 is provided with injection molding hole 15, the inner wall of going up mould 10 and bed die 2 all welds and is provided with a plurality of anchor strut 16.

Preferably, the upper die 10 and the lower die 2 are both cylindrical, the height and the diameter of the upper die 10 and the lower die 2 are both consistent, circular hollow cavities are respectively arranged at the openings of the inner parts of the upper die 10 and the lower die 2, water with indefinite shapes is filled in the water tank 4, the volume of the water tank 4 is larger than the total volume of the inner hollow cavities of the upper die 10 and the lower die 2, the water pump 5 injects water in the water tank 4 into the lower die 2 and the upper die 10 through the water suction pipe 7 and the water injection pipe 8, so that the water rapidly flows in the lower die 2 and the upper die 10, the water can take away the heat of the lower die 2 and the upper die 10, the PVC pipe heads in the lower die 2 and the upper die 10 are rapidly cooled, the residence time of the PVC pipe heads in the lower die 2 and the upper die 10 is greatly reduced, the PVC pipe heads are rapidly cooled and molded in the lower die 2 and the upper die 10, and the production efficiency of the PVC pipe heads is greatly increased, the cooling device has the advantages of high cooling rate, high production efficiency and the like, the reinforcing rods 16 are equidistantly distributed in the inner hollow cavities of the upper die 10 and the lower die 2 at intervals, the reinforcing rods 16 are surrounded in the hollow cavities, the reinforcing rods 16 can increase the firmness degree of the lower die 2 and the upper die 10, the stress generated when the PVC pipe head is formed is offset, the quality of the PVC pipe head is ensured, the pipe orifices of the butt joint pipes 13 are respectively positioned in the two hollow cavities, the butt joint pipes 13 are arranged in the middle of the rubber sealing ring 14 in a penetrating manner, the rubber sealing ring 14 can increase the air tightness between the butt joint pipes 13 and the lower die 2, so that the water in the lower die 2 and the upper die 10 flows stably, the problem of water leakage at the gap between the butt joint pipes 13 and the lower die 2 is avoided, the upper convex blocks 11 are tightly attached to the tops of the lower convex blocks 9, the shapes and the sizes of the upper convex blocks 11 and the lower, and the bottom of the injection hole 15 is cylindrical.

The working principle is as follows:

when the water-cooling injection mold for PVC pipeline production is used, firstly, the butt joint pipe 13 of the upper mold 10 is inserted into the top of the lower mold 2, the upper mold 10 is inserted into the rubber sealing ring 14, secondly, the fixing bolt 12 is inserted into the upper mold 10, then, the fixing bolt 12 is rotated to enable the fixing bolt to be in threaded connection with the lower boss 9 inside the lower mold 2, the fixing bolt 12 fixes the lower mold 2 and the upper mold 10 together, secondly, the PVC melted by heating is injected into the injection molding hole 15 through the injection molding machine, the PVC flows into the lower mold 2 and the upper mold 10, gaps inside the lower mold 2 and the upper mold 10 are completely filled, then, the power supply of the water pump 5 is switched on, the water pump 5 sucks water through the water suction pipe 7, then the water in the water tank 4 is conveyed into the lower mold 2 through the water injection pipe 8, then the water enters the upper mold 11 through the butt joint pipe 13, and finally the water returns to the water tank 4 through, and (3) rapidly cooling the PVC in the lower die 2 and the upper die 10, and finally opening the lower die 2 and the upper die 10 to take out the cooled and formed PVC pipe head.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a water-cooling injection mold is used in production of PVC pipeline, includes support plate (1), bed die (2), support (3), water tank (4), water pump (5), conveyer pipe (6), absorbs water pipe (7), water injection pipe (8), lower boss (9), goes up mould (10), goes up boss (11), fixing bolt (12), butt joint pipe (13), rubber seal ring (14), injection hole (15) and anchor strut (16), its characterized in that: the top welding of support plate (1) is provided with bed die (2), the bottom welding of support plate (1) is provided with four supports (3), be provided with water tank (4) through the branch welding between support (3), the top of water tank (4) is provided with water pump (5) through the branch welding, the top embedding welding of water tank (4) has conveyer pipe (6), the top embedding welding of water tank (4) has the pipe that absorbs water (7), and the top embedding welding of the pipe that absorbs water (7) is in the bottom of water pump (5), the top embedding welding of water pump (5) has water injection pipe (8), and the top of conveyer pipe (6) and water injection pipe (8) all imbeds the welding in the bottom of bed die (2), the inside of bed die (2) is equipped with lug (9) down, the top of bed die (2) closely laminates upper die (10), go up the inside of mould (10) and be equipped with lug (11), the middle activity of going up mould (10) is run through and is had fixing bolt (12), and fixing bolt (12) screw thread embedding is at the top of lug (9) down, the bottom embedding welding of going up mould (10) has two butt joint pipes (13), the top embedding bonding of bed die (2) has two rubber seal ring (14), the open-top of going up mould (10) is provided with injection molding hole (15), the inner wall of going up mould (10) and bed die (2) all welds and is provided with a plurality of anchor strut (16).

2. The water-cooling injection mold for PVC pipeline production according to claim 1, characterized in that: go up mould (10) and bed die (2) all be cylindricly, and go up the height diameter of mould (10) and bed die (2) and all keep unanimous to the inside of going up mould (10) and bed die (2) all opens and is provided with annular hollow cavity.

3. The water-cooling injection mold for PVC pipeline production according to claim 1, characterized in that: the water tank (4) is filled with water with an indefinite shape, and the volume of the water tank (4) is larger than the sum of the volumes of the inner hollow cavities of the upper die (10) and the lower die (2).

4. The water-cooling injection mold for PVC pipeline production according to claim 1, characterized in that: the reinforcing rods (16) are distributed in the inner hollow cavities of the upper die (10) and the lower die (2) at equal intervals, and the reinforcing rods (16) are surrounded in the hollow cavities.

5. The water-cooling injection mold for PVC pipeline production according to claim 1, characterized in that: the pipe orifices of the butt joint pipe (13) are respectively positioned in the two hollow cavities, and the butt joint pipe (13) penetrates through the middle of the rubber sealing ring (14).

6. The water-cooling injection mold for PVC pipeline production according to claim 1, characterized in that: the upper convex blocks (11) are tightly attached to the tops of the lower convex blocks (9), and the shapes and the sizes of the tops of the upper convex blocks (11) and the lower convex blocks (9) are kept consistent.

7. The water-cooling injection mold for PVC pipeline production according to claim 1, characterized in that: the top of the injection molding hole (15) is in a round table shape, and the bottom of the injection molding hole (15) is in a cylindrical shape.