CN216466114U

CN216466114U - Extrusion-blowing mold with built-in water cooling structure

Info

Publication number: CN216466114U
Application number: CN202122872173.0U
Authority: CN
Inventors: 唐林; 罗红兵; 曾柯; 周兰花
Original assignee: Guangzhou Liqi Technology Co ltd
Current assignee: Guangzhou Liqi Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-10
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to an extrusion-blowing mold with a built-in water cooling structure, which comprises a base, wherein sliding grooves are formed in the two ends of the top surface of the base; according to the extrusion blow mold with the built-in water cooling structure, through the first runner and the second runner which are arranged in the upper mold and the lower mold, cooling water can flow in the mold uniformly and comprehensively, so that the cooling effect on the mold is improved, the rapid heat dissipation of the mold is facilitated, and the rapid molding of a product is facilitated; this crowded blowing mould with built-in water-cooling structure is through the docking mechanism who sets up: the hand wheel is rotated to drive the two screw rods to synchronously rotate, the support plates on the two sides can be driven to synchronously and relatively move along with the rotation of the screw rods, and the support plates can drive the insertion tubes on the two sides to synchronously and relatively move, so that the insertion tubes can be conveniently inserted into the corresponding connecting holes; this design convenient operation is swift, is convenient for dock intubate and connecting hole, and the cooling water of being convenient for gets into and cools off the mould in the mould.

Description

Extrusion-blowing mold with built-in water cooling structure

Technical Field

The utility model relates to the technical field of dies, in particular to an extrusion-blowing die with a built-in water cooling structure.

Background

Blow molding, also known as extrusion blow molding, is a method for mainly manufacturing hollow products, is another common method except extrusion, injection molding and mold pressing in a plastic product processing method, is developed rapidly, and belongs to the technical range of secondary molding; a tool for manufacturing a molded article by using the extrusion blow mold; at present, a water cooling channel is generally arranged in a mold and used for cooling water circulation and cooling the mold, but the water cooling channel in the existing mold has poor cooling effect on the mold; meanwhile, when the existing die is cooled by water, workers need to sequentially insert the tail ends of water injection pipes into water injection holes in the die, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an extrusion blow mold with a built-in water cooling structure, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an extrusion-blowing mold with a built-in water cooling structure comprises a base, wherein sliding grooves are formed in the two ends of the top surface of the base; two symmetrical butt joint mechanisms are arranged above the base, and a mould assembly is arranged between the two butt joint mechanisms; the mould subassembly includes the last mould of lower mould and lower mould top, the lower mould with the inside of going up the mould is all seted up a plurality of U types and the first runner that distributes side by side, the both sides department that lies in first runner in the lower mould has all seted up the second runner, the lower mould with all seted up the connecting hole on the both sides wall of last mould, just connecting hole, second runner and first runner are linked together in proper order.

As a preferable technical scheme of the present invention, the docking mechanism includes a connecting plate, a slider is fixedly connected to the center of the bottom surface of the connecting plate through a bolt, the slider is slidably connected to a corresponding sliding groove, a connecting rod is disposed between the two sliders, the connecting rod passes through the base and is rotatably connected to the base, lead screws are coaxially and tightly welded to both ends of the connecting rod, the lead screws are both located in the sliding grooves and are rotatably connected to the sliding grooves, the lead screws pass through the sliders and are slidably connected to the sliders, and a hand wheel is coaxially and tightly welded to the tail end of one of the lead screws passing through the base.

According to the preferable technical scheme, a support plate is fixedly connected to the center of the top surface of the connecting plate through a bolt, a connecting pipe is arranged on one side of each support plate, two insertion pipes are welded on the connecting pipe, the insertion pipes penetrate through the support plates and are in sliding connection with the support plates, the tail ends of the insertion pipes are in insertion fit with the corresponding connecting holes, a limiting ring is coaxially and tightly bonded on the insertion pipes, a spring is sleeved on each insertion pipe, and two ends of the spring respectively abut against the limiting ring and the support plates.

As a preferable technical scheme, ring bodies are tightly bonded on one side of the insertion pipe, which is positioned on the limiting ring, the ring bodies respectively support against two side walls of the lower die and the upper die, and the ring bodies are made of rubber materials.

According to the preferable technical scheme, the top surface of the lower die and the bottom surface of the upper die are both provided with die cavities, guide rods are embedded at four corners of the top surface of the lower die, guide holes are formed at four corners of the upper die, and the guide rods are in inserted fit with the corresponding guide holes.

According to the preferable technical scheme, the top surface of the base is fixedly connected with the sliding rails at the two sides of the sliding groove through bolts, the bottom surface of the connecting plate is provided with two symmetrical guide grooves, and the guide grooves are in sliding connection with the corresponding sliding rails.

As a preferable technical scheme of the utility model, the size of the insertion pipe is matched with the size of the connecting hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. the extrusion-blowing mould with the built-in water cooling structure is convenient for cooling water to uniformly and comprehensively flow in the mould through the first runner and the second runner which are arranged in the upper mould and the lower mould, so that the cooling effect on the mould is improved, the quick heat dissipation of the mould is facilitated, and the quick forming of a product is facilitated;

2. this crowded blowing mould with built-in water-cooling structure is through the docking mechanism who sets up: the hand wheel is rotated to drive the two screw rods to synchronously rotate, the support plates on the two sides can be driven to synchronously and relatively move along with the rotation of the screw rods, and the support plates can drive the insertion tubes on the two sides to synchronously and relatively move, so that the insertion tubes can be conveniently inserted into the corresponding connecting holes; this design convenient operation is swift, is convenient for dock intubate and connecting hole, and the cooling water of being convenient for gets into and cools off the mould in to the mould.

Drawings

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

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a schematic view of a part of the docking mechanism according to the present invention;

FIG. 4 is a second schematic view of a part of the docking mechanism of the present invention;

FIG. 5 is a schematic view of an exploded structure of the mold assembly of the present invention;

FIG. 6 is a partial cross-sectional view of the mold assembly of the present invention;

FIG. 7 is a second partial sectional view of the mold assembly of the present invention.

In the figure:

1. a base; 11. a chute; 12. a slide rail;

2. a docking mechanism; 21. a connecting plate; 211. a guide groove; 22. a slider; 23. a support plate; 24. a connecting pipe; 25. inserting a tube; 251. a limiting ring; 252. a ring body; 26. a connecting rod; 27. a screw rod; 28. a hand wheel; 29. a spring;

3. a mold assembly; 31. a lower die; 32. an upper die; 321. a guide hole; 33. a guide bar; 34. a first flow passage; 35. a second flow passage; 36. and connecting the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiment provides a technical scheme:

referring to fig. 1-4, an extrusion blow mold with a built-in water cooling structure includes a base 1, wherein the top surface of the base 1 is provided with sliding grooves 11 at two ends; two symmetrical docking mechanisms 2 are arranged above the base 1. The butt joint mechanism 2 comprises a connecting plate 21, the center of the bottom surface of the connecting plate 21 is fixedly connected with a sliding block 22 through a bolt, the sliding block 22 is in sliding connection with a corresponding sliding groove 11, a connecting rod 26 is arranged between the two sliding blocks 22, the connecting rod 26 penetrates through the base 1 and is in rotating connection with the base 1, the two ends of the connecting rod 26 are coaxially and tightly welded with screw rods 27, the screw rods 27 are positioned in the sliding grooves 11 and are in rotating connection with the sliding grooves 11, the screw rods 27 penetrate through the sliding blocks 22 and are in sliding connection with the sliding blocks 22, and the tail end of one screw rod 27 penetrates through the base 1 and is coaxially and tightly welded with a hand wheel 28; the top surface center of connecting plate 21 is located through bolt fixedly connected with extension board 23, and one side of extension board 23 all is equipped with connecting pipe 24 and all has welded two intubate 25 on the connecting pipe 24, and intubate 25 passes extension board 23 and with extension board 23 sliding connection, the terminal of intubate 25 and the cooperation of pegging graft of corresponding connecting hole 36, and coaxial closely bonding has spacing ring 251 on the intubate 25, still overlaps on the intubate 25 to be equipped with spring 29, and the both ends of spring 29 support tight spacing ring 251 and extension board 23 respectively.

In this embodiment, the ring body 252 is tightly bonded to one side of the insertion tube 25 located on the limiting ring 251, the ring body 252 tightly supports two side walls of the lower mold 31 and the upper mold 32, the ring body 252 is made of rubber, the ring body 252 made of rubber mainly plays a role in preventing leakage, and water stains and the like can be prevented from permeating to the outside through gaps between the insertion tube 25 and the connecting holes 36 by attaching to the two side walls of the lower mold 31 and the upper mold 32 through the ring body 252.

In this embodiment, the top surface of the base 1 is located at both sides of the sliding groove 11 and is fixedly connected with the sliding rail 12 through a bolt, two symmetrical guide grooves 211 are formed in the bottom surface of the connecting plate 21, the guide grooves 211 are slidably connected with the corresponding sliding rail 12, and the guide grooves 211 and the guide rails 12 are arranged to guide the movement of the connecting plate 21, so that the connecting plate 21 can move stably.

It should be added that the ends of the two screw rods 27 in this embodiment are rotatably connected with the inner wall of the chute 11 through bearings, and the bearings support and support the rotation of the screw rods 27, so as to facilitate the stable rotation of the screw rods 27 in the chute 11; in addition, the surrounding directions of the threads of the two screw rods 27 are opposite, when the connecting rod 26 rotates and drives the screw rods 27 on the two sides to synchronously rotate, the screw rods 27 are in threaded connection with different slide blocks 22, so that the slide blocks 22 on the two sides can be driven to synchronously move relatively, the slide blocks 22 on the two sides can synchronously move relatively along the sliding grooves 11, the support plates 23 can be further driven to move, and the insertion tubes 25 can be conveniently inserted into the connecting holes 36.

Referring to fig. 5-7, a mold assembly 3 is disposed between two docking mechanisms 2. The mold assembly 3 comprises an upper mold 32 above a lower mold 31 and the lower mold 31, a plurality of first flow passages 34 which are U-shaped and distributed in parallel are arranged inside the lower mold 31 and the upper mold 32, second flow passages 35 are arranged at two sides of the first flow passages 34 in the lower mold 31, connecting holes 36 are arranged on two side walls of the lower mold 31 and the upper mold 32, and the connecting holes 36, the second flow passages 35 and the first flow passages 34 are communicated in sequence.

In this embodiment, the top surface of the lower mold 31 and the bottom surface of the upper mold 32 are both provided with a mold cavity 37, four corners of the top surface of the lower mold 31 are both embedded with guide rods 33, four corners of the upper mold 32 are both provided with guide holes 321, the guide rods 33 are in plug-in fit with the corresponding guide holes 321, and the arrangement of the guide rods 33 and the guide holes 321 facilitates the mold closing of the upper mold 32 and the lower mold 31, thereby playing a role in guiding and positioning.

In this embodiment, the size of the insertion tube 25 is matched with the size of the connection hole 36, and the design can achieve the effect of leakage prevention, and can prevent water stains and the like from permeating to the outside through the gap between the insertion tube 25 and the connection hole 36.

It should be added that the connection holes 36 on the two side walls of the lower die 31 and the upper die 32 in this embodiment are used for water inlet and water discharge, respectively, so that the docking mechanisms 2 on the two sides of the die assembly 3 are used for water inlet and water discharge, respectively, that is, cooling water enters the second flow channel 35 through the connection pipe 24, the insertion pipe 25 and the connection hole 36 on one side and flows through the plurality of first flow channels 34 in sequence, meanwhile, the cooling water takes away heat of the lower die 31 and the upper die 32, and finally, water enters the second flow channel 35 on the other side and is discharged to the outside through the connection hole 36, the insertion pipe 25 and the connection pipe 24 on the other side.

When the water cooling device is used specifically, a user firstly holds the hand wheel 28 and rotates the hand wheel 28, the hand wheel 28 drives the screw rod 27 and the connecting rod 26 to rotate, the two sliding blocks 22 slide inwards along the sliding groove 11 synchronously, the sliding blocks 22 drive the connecting plate 21 and the supporting plate 23 to move inwards synchronously, the tail end of the insertion pipe 25 is inserted into the corresponding connecting hole 36, the ring body 252 abuts against two side walls of the lower die 31 and the upper die 32 respectively along with the movement of the supporting plate 23, the spring 29 is compressed simultaneously, the user stops rotating the hand wheel 28 at the moment, then the user communicates the connecting pipe 24 on one side with a water source, cooling water enters the second flow channel 35 through the connecting pipe 24 on one side, the insertion pipe 25 and the connecting hole 36 on one side and flows through the plurality of first flow channels 34 in sequence, meanwhile, the cooling water takes heat of the lower die 31 and the upper die 32 away, finally, the water enters the second flow channel 35 on the other side and flows through the connecting hole 36 on the other side, The insert tube 25 and the connection tube 24 are discharged to the outside, and the lower mold 31 and the upper mold 32 are gradually cooled as the water source is continuously flowed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an extrusion blow mould with built-in water-cooling structure, includes base (1), its characterized in that: the top surface of the base (1) is provided with sliding grooves (11) at two ends; two symmetrical butt joint mechanisms (2) are arranged above the base (1), and a mould assembly (3) is arranged between the two butt joint mechanisms (2); mould subassembly (3) are including last mould (32) of lower mould (31) and lower mould (31) top, lower mould (31) with a plurality of first runners (34) that are the U type and distribute side by side have all been seted up to the inside of going up mould (32), second runner (35) have all been seted up to the both sides department that lies in first runner (34) in lower mould (31), lower mould (31) with connecting hole (36) have all been seted up on the both sides wall of last mould (32), just connecting hole (36), second runner (35) and first runner (34) are linked together in proper order.

2. The extrusion-blow mold with built-in water-cooling structure as claimed in claim 1, wherein: docking mechanism (2) include connecting plate (21), the bottom surface center department of connecting plate (21) is through bolt fixedly connected with slider (22), slider (22) and corresponding spout (11) sliding connection, two be equipped with connecting rod (26) between slider (22), connecting rod (26) pass base (1) and rotate with base (1) and be connected, the equal coaxial inseparable welding in both ends of connecting rod (26) has lead screw (27), lead screw (27) all are located spout (11) and rotate with spout (11) and are connected, just lead screw (27) pass slider (22) and with slider (22) sliding connection, one of them the end of lead screw (27) passes base (1) and coaxial inseparable welding has hand wheel (28).

3. The extrusion-blow mold with built-in water-cooling structure as claimed in claim 2, wherein: the connecting plate is characterized in that a support plate (23) is fixedly connected to the center of the top face of the connecting plate (21) through a bolt, a connecting pipe (24) is arranged on one side of the support plate (23), two insertion pipes (25) are welded to the connecting pipe (24), the insertion pipes (25) penetrate through the support plate (23) and are in sliding connection with the support plate (23), the tail ends of the insertion pipes (25) are in insertion fit with corresponding connecting holes (36), a limiting ring (251) is coaxially and tightly bonded to the insertion pipes (25), a spring (29) is further sleeved on the insertion pipes (25), and two ends of the spring (29) respectively abut against the limiting ring (251) and the support plate (23).

4. The extrusion-blow mold with built-in water-cooling structure as claimed in claim 3, wherein: a ring body (252) is tightly adhered to one side of the insertion pipe (25) which is positioned on the limiting ring (251), the ring body (252) tightly abuts against two side walls of the lower die (31) and the upper die (32) respectively, and the ring body (252) is made of rubber materials.

5. The extrusion-blow mold with built-in water-cooling structure as claimed in claim 1, wherein: die cavity (37) have all been seted up to the top surface of lower mould (31) with the bottom surface of last mould (32), guide arm (33) have all been inlayed in the top surface four corners department of lower mould (31), guide hole (321) have all been seted up in the four corners department of last mould (32), guide arm (33) and corresponding guide hole (321) cooperation of pegging graft.

6. The extrusion-blow mold with built-in water-cooling structure as claimed in claim 2, wherein: the top surface of base (1) is located spout (11) both sides department and all has slide rail (12) through bolt fixedly connected with, two symmetrical guide way (211) have been seted up to the bottom surface of connecting plate (21), guide way (211) and corresponding slide rail (12) sliding connection.

7. The extrusion-blow mold with built-in water-cooling structure as claimed in claim 3, wherein: the size of the insertion pipe (25) is matched with that of the connecting hole (36).