CN218535390U

CN218535390U - Molding die for HDPE corrugated pipe

Info

Publication number: CN218535390U
Application number: CN202223075068.5U
Authority: CN
Inventors: 郑豪
Original assignee: Chongqing Yuanneng Pipe Industry Co ltd
Current assignee: Chongqing Yuanneng Pipe Industry Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-02-28
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a bellows manufacturing technical field discloses a moulding mould for HDPE bellows, comprising a base plate, riser right side upper portion is provided with the mould, riser right side lower part is provided with the bed die, riser right-hand member middle part fixedly connected with mold core, the equal fixedly connected with limiting plate in both sides, front side around the bottom plate top the limiting plate top fixedly connected with motor, the drive end and the two-way threaded rod top of motor link to each other. The utility model discloses in, the motor drives two-way threaded rod and rotates, makes upper die and bed die be close to and merge to the mold core simultaneously, injects injection molding liquid and shaping from the mouth of moulding plastics afterwards, has realized the ripple part and the embedded flaring part one shot forming on the make-up machine of bellows, injects cold water to leading to the water intracavity through the water filling port, makes cold water fully circulate at leading to the water intracavity, and then makes the mould cool off rapidly for the cooling to the product, promoted the shaping efficiency of product.

Description

Molding die for HDPE corrugated pipe

Technical Field

The utility model relates to a bellows manufacturing technical field especially relates to a moulding mould for HDPE bellows.

Background

The double-wall corrugated pipe is a novel light pipe made of high-density polyethylene, has the characteristics of light weight, high pressure resistance, good toughness, fast construction, long service life and the like, has an excellent pipe wall structure design, greatly reduces the cost compared with pipes with other structures, is widely applied at home and abroad due to convenient and reliable connection, and can replace a large number of concrete pipes and cast iron pipes, and HDPE double-wall corrugated pipes can not be separated from a mould in the manufacturing process and need a corrugated pipe forming mould for forming.

Corrugated pipe generally adopts the connected mode of socket joint, but when the preparation to the flaring, what adopt is the expanded mode of secondary heating, after treating the flaring to the regulation size, the tubular product that the design was made into to have the flaring is decided to the recooling, the preparation mode of this kind of tubular product, when the flaring technology changes, the internal diameter of flaring, flaring degree of depth and angle all can change, serious can cause the pipe socket joint difficulty or the leakproofness is good causes the pipeline to leak, the bellows just can take out after need cooling when the machine-shaping simultaneously, thereby the inside water of injection mould can't in time cover whole mould when current mould when using in the inside complicated mechanical structure of mould leads to the water-cooling heat dissipation, thereby lead to that the water-cooling speed is slow, the effect is poor, influenced whole shaping efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shaping mould for HDPE corrugated pipes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a moulding mould for HDPE bellows, includes the bottom plate, bottom plate left end fixedly connected with riser, riser right side upper portion is provided with the mould, riser right side lower part is provided with the bed die, riser right-hand member middle part fixedly connected with mold core, the mold core right-hand member is provided with small-bore mold core, the equal fixedly connected with limiting plate in both sides around the bottom plate top, two the limiting plate all is provided with the spout, two from one side the equal sliding connection of the inside upside of spout has the top shoe, two the equal sliding connection of the inside downside of spout has bottom shoe, two the close one side of top shoe all is connected with the front and back both sides of last mould, two the close one side of bottom shoe all is connected with the front and back both sides of bed die, the front side the inside rotation of limiting plate is connected with two-way threaded rod, the front side limiting plate top end fixedly connected with motor, the drive end and the two-way threaded rod top of motor link to each other.

As a further description of the above technical solution:

the riser right-hand member is provided with two first spouts, go up two first sliders of equal fixedly connected with in mould and the bed die left end, it all is inside two first spouts through two first slider sliding connection to go up mould and bed die.

As a further description of the above technical solution:

a plurality of injection molding openings are formed in the middle of the top end of the upper die.

As a further description of the above technical solution:

the upper slider middle part is run through to two-way threaded rod upside, two-way threaded rod downside runs through the lower slider middle part.

As a further description of the above technical solution:

the equal fixedly connected with water filling port of last mould and lower mould rear side one end, the equal fixedly connected with delivery port of last mould and lower mould rear side other end.

As a further description of the above technical solution:

and water through cavities are formed in the upper die and the lower die.

As a further description of the above technical solution:

one end of the water passing cavity is communicated with the water injection port, and the other end of the water passing cavity is communicated with the water outlet.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, through the small-bore mold core that sets up in mold core one end, the motor drives the two-way threaded rod and rotates afterwards, makes go up mould and bed die and be close to and merge to the mold core simultaneously, injects injection moulding liquid and shaping from the mouth of moulding plastics afterwards, has realized the ripple part and the embedded flaring part one shot forming on the make-up machine of bellows, avoids the later stage to cause the problem that tubular product socket joint difficulty and leakproofness are not good when making the flaring.

2. The utility model discloses in, mould inner structure is simple, and leads to the water cavity cover to link up inside the whole mould, injects into cold water to leading to the water intracavity through the water filling port, makes cold water fully circulate in leading to the water intracavity, and then makes the mould cool off rapidly for to the cooling of product, discharge from the delivery port afterwards and circulate, promoted the shaping efficiency of product.

Drawings

Fig. 1 is a perspective view of a shaping mold for HDPE corrugated pipe according to the present invention;

fig. 2 is a side view of a shaping mold for HDPE corrugated pipe according to the present invention;

fig. 3 is a schematic structural diagram of a limiting plate of a shaping mold for HDPE corrugated pipe according to the present invention;

fig. 4 is a cross-sectional view of an upper mold and a lower mold of a shaping mold for HDPE corrugated pipes according to the present invention;

fig. 5 is the utility model provides a layout of inside chamber that leads to of last mould and bed die for moulding mould of HDPE bellows.

Illustration of the drawings:

1. a base plate; 2. a vertical plate; 3. a first chute; 4. an upper die; 5. a lower die; 6. a first slider; 7. a mold core; 8. a small-caliber mold core; 9. a water injection port; 10. a water outlet; 11. an injection molding port; 12. a limiting plate; 13. an upper slide block; 14. a lower slide block; 15. a bidirectional threaded rod; 16. a motor; 17. a water-through cavity.

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. 1-5, the present invention provides an embodiment: a shaping die for HDPE corrugated pipes comprises a bottom plate 1, wherein a vertical plate 2 is fixedly connected to the left end of the bottom plate 1, an upper die 4 is arranged on the upper portion of the right side of the vertical plate 2, a lower die 5 is arranged on the lower portion of the right side of the vertical plate 2, a die core 7 is fixedly connected to the middle portion of the right end of the vertical plate 2, a small-diameter die core 8 is arranged at the right end of the die core 7, after injection molding is completed, the diameter of the corrugated pipe at one end of the small-diameter die core 8 is smaller, when the corrugated pipe is connected, the corrugated pipe can be directly inserted into the other end of the corrugated pipe, limiting plates 12 are fixedly connected to the front side and the rear side of the top end of the bottom plate 1, two limiting plates 12 are respectively provided with a sliding groove from one side away from each other, upper sides in the two sliding grooves are respectively and slidably connected with an upper slide block 13, the lower sides in the two sliding grooves are respectively and slidably connected with a lower slide block 14, one side close to the two upper slide blocks 13 are respectively connected with the front side and the rear side of the upper die 4, the close one side of two lower sliders 14 is connected with the front side and the back side of the lower die 5, the inside of the front limiting plate 12 is rotatably connected with a bidirectional threaded rod 15, the top end of the front limiting plate 12 is fixedly connected with a motor 16, the driving end of the motor 16 is connected with the top end of the bidirectional threaded rod 15, firstly, the motor 16 rotates to drive the bidirectional threaded rod 15 to rotate, meanwhile, the upper slider 13 and the lower slider 14 are respectively connected with the upper die 4 and the lower die 5, further, the upper die 4 and the lower die 5 are enabled to be close to the die core 7 simultaneously, the upper die 4 and the lower die 5 are enabled to be combined simultaneously, injection molding liquid is injected from the injection port 11 for molding, one-time processing molding of a corrugated part and an embedded flaring part of the corrugated pipe on a molding machine is achieved, and the problems that pipe socket difficulty and poor sealing performance are caused when flaring is manufactured in the later stage are avoided.

2 right-hand members of riser are provided with two first spouts 3, go up two first sliders 6 of the equal fixedly connected with in mould 4 and the 5 left ends of bed die, it all is inside at two first spouts 3 through two first slider 6 sliding connection to go up mould 4 and bed die 5, be close to mold core 7 simultaneously for going up mould 4 and bed die 5 and provide stability, it is provided with a plurality of mouths 11 of moulding plastics to go up 4 top middle parts of mould, a plurality of mouths 11 of moulding plastics pour into the liquid of moulding plastics into simultaneously, improve manufacturing speed, 15 upsides of two-way threaded rod run through slider 13 middle parts, 15 downsides of two-way threaded rod run through slider 14 middle parts, go up mould 4 and the equal fixedly connected with water filling port 9 of 5 rear side one end of bed die, go up the equal fixedly connected with delivery port 10 of mould 4 and the 5 rear side other end of bed die, the inside of going up mould 4 and bed die 5 all is provided with logical water cavity 17, logical water cavity 17 is link up to logical water cavity 17 one end, logical water cavity 17 other end link up delivery port 10, it fully circulates in to make cold water cavity 17 to make cold water, thereby promote the cooling efficiency of the product to discharge from the cooling process.

The working principle is as follows: firstly, a starting motor 16 rotates to drive a bidirectional threaded rod 15 to rotate, an upper sliding block 13 and a lower sliding block 14 are respectively connected with an upper die 4 and a lower die 5, the upper die 4 and the lower die 5 are enabled to simultaneously approach a die core 7 and a small-caliber die core 8, the upper die 4 and the lower die 5 are enabled to be combined, then injection molding liquid is injected from an injection molding port 11, a corrugated part and an embedded flaring part of a corrugated pipe are formed on a forming machine in one-step processing, the problems of pipe socket difficulty and poor sealing performance caused in the flaring manufacturing process in the later period are avoided, after the injection is finished, cold water is injected into a water through cavity 17 through a water injection port 9, the cold water fully circulates in the water through cavity 17, the dies are enabled to be rapidly cooled, the cooling of products is accelerated, then the products are discharged from a water outlet 10 to circulate, and the forming efficiency of the products is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.

Claims

1. A moulding mould for HDPE corrugated pipes, comprising a bottom plate (1), characterized in that: bottom plate (1) left end fixedly connected with riser (2), riser (2) right side upper portion is provided with mould (4), riser (2) right side lower part is provided with bed die (5), riser (2) right-hand member middle part fixedly connected with mold core (7), mold core (7) right-hand member is provided with small-bore mold core (8), the equal fixedly connected with limiting plate (12) in both sides around bottom plate (1) top, two limiting plate (12) all are provided with the spout, two from one side mutually the equal sliding connection of the inside upside of spout has slider (13), two the equal sliding connection of the inside downside of spout has lower slider (14), two the close one side of slider (13) all is connected with the front and back both sides of last mould (4), two the close one side of lower slider (14) all is connected with the front and back both sides of bed die (5), the front side limiting plate (12) internal rotation is connected with two-way threaded rod (15), the front side limiting plate (12) top fixedly connected with motor (16), the drive end and the two-way threaded rod (15) top of motor (16) link to each other.

2. A shaping die for HDPE corrugated pipe as claimed in claim 1, characterized in that: riser (2) right-hand member is provided with two first spout (3), go up two first slider (6) of equal fixedly connected with in mould (4) and bed die (5) left end, it all connects inside two first spout (3) through two first slider (6) sliding connection to go up mould (4) and bed die (5).

3. A shaping die for HDPE corrugated pipe as claimed in claim 1, characterized in that: and the middle part of the top end of the upper mold (4) is provided with a plurality of injection molding ports (11).

4. A shaping die for HDPE corrugated pipe as claimed in claim 1, characterized in that: the upper side of the bidirectional threaded rod (15) penetrates through the middle of the upper sliding block (13), and the lower side of the bidirectional threaded rod (15) penetrates through the middle of the lower sliding block (14).

5. A shaping die for HDPE corrugated pipe as claimed in claim 1, characterized in that: go up mould (4) and bed die (5) rear side one end equal fixedly connected with water filling port (9), go up mould (4) and bed die (5) rear side other end equal fixedly connected with delivery port (10).

6. A shaping die for HDPE corrugated pipe as claimed in claim 1, characterized in that: and water through cavities (17) are arranged in the upper die (4) and the lower die (5).

7. A shaping die for HDPE corrugated pipe according to claim 6, wherein: one end of the water through cavity (17) is communicated with the water injection port (9), and the other end of the water through cavity (17) is communicated with the water outlet (10).