CN217319020U

CN217319020U - Injection mold capable of accelerating cooling and demolding of injection product

Info

Publication number: CN217319020U
Application number: CN202123360770.1U
Authority: CN
Inventors: 浦晓杰
Original assignee: Wuxi Shuangjie Molding Co ltd
Current assignee: Wuxi Shuangjie Molding Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-30
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an injection mold of injection moulding product cooling drawing of patterns can accelerate, concretely relates to injection mold technical field, including last mould and bed die, it is equipped with demoulding mechanism to go up the mould top, demoulding mechanism includes two sleeve pipes, the intraductal portion of cover is equipped with the sealing rod, it is equipped with communicating pipe to go up the mould top, the sleeve pipe outer end is equipped with fastening bolt, the fixed connecting pipe that is equipped with in communicating pipe outer end, connecting pipe one end is equipped with the air duct and is connected through quick-operation joint with air duct one end, the fixed inflator that is equipped with in air duct other end. The utility model discloses an object of cooling design has already been promoted in the die cavity to atmospheric pressure to make its drawing of patterns, compare and utilize some hard instruments to push away the object drawing of patterns, utilize atmospheric pressure to promote the object drawing of patterns through such mode, can not cause deformation or other damages on the surface of object, kept the integrality of object.

Description

Injection mold capable of accelerating cooling and demolding of injection product

Technical Field

The utility model belongs to the technical field of the injection mold technique and specifically relates to an injection mold that can accelerate injection moulding product cooling drawing of patterns that says so.

Background

Injection molding is the most common manufacturing process for making plastic parts, using injection molding to make a variety of products, varying in size, complexity and application, and requires the use of an injection molding machine, a raw plastic material and a mold, in which the plastic is melted and then injected into the mold, where it cools and solidifies into a final part, and injection molding is used to produce thin-walled plastic parts for a variety of applications, most commonly plastic housings.

The material to be molded is molten, plasticized and fluidized in the material barrel and the mold cavity separately, and the mold is always in the state of fast condensation or crosslinking solidification of the melt, so that the molding period is shortened.

The above advantages are the reason why the injection molding can be widely used, but the injection molded object may have difficulty in demolding when demolding, so that some tools are needed to push the object molded in the mold to separate from the mold, and these auxiliary tools may cause deformation or other damages to the object during demolding.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects of the prior art, the utility model provides an injection mold capable of accelerating the cooling and demoulding of injection products to solve the problems appearing in the above background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an injection mold capable of accelerating cooling and demolding of an injection product comprises an upper mold and a lower mold, wherein the upper mold is arranged at the top end of the lower mold, and a demolding mechanism is arranged at the top of the upper mold;

demoulding mechanism includes two sleeves, the sleeve pipe is fixed to be established on last mould top, the intraduct is equipped with the sealing rod, the sealing rod outer end contacts with set intraductal wall, it is equipped with communicating pipe to go up the mould top, communicating pipe both ends respectively with two sleeve pipe outer end fixed connection.

Furthermore, the outer end of the sleeve is provided with a fastening bolt, one end of the fastening bolt extends into the sleeve and contacts with the outer end of the sealing rod, the fastening bolt is connected with the sleeve through threads, and the fastening bolt is arranged at the top of the joint of the communicating pipe and the sleeve so as to fix the sealing rod.

Further, the intercommunication outside of tubes end is fixed and is equipped with the connecting pipe, connecting pipe one end is equipped with the air duct and is connected through quick-operation joint with air duct one end, the fixed inflator that is equipped with of air duct other end, the inside ejector pad that is equipped with of inflator, the fixed sealed pad that is equipped with in ejector pad one side, ejector pad and sealed pad outer end contact with the inflator inner wall, the ejector pad opposite side is equipped with the threaded rod and passes through bearing swing joint with threaded rod one end, the threaded rod other end extends to inflator rear side and fixed two driving levers that are equipped with, the threaded rod passes through threaded connection with the inflator, promotes gaseous the removal through the inflator.

Furthermore, an injection molding pipe is fixedly arranged at the top end of the upper die, a sealing ring is fixedly arranged at the top end of the injection molding pipe, the injection molding pipe is arranged between the two sleeves, and molten materials enter the die through the injection molding pipe.

Furthermore, a cavity is formed in the wall of the upper die, water pipes are fixedly arranged on two sides of the upper die, one end of each water pipe is communicated with the cavity, and cold water is injected into the cavity so as to dissipate heat of objects in the die.

Furthermore, connecting pieces are fixedly arranged at the outer ends of the lower die and the upper die, one of the connecting pieces is arranged at the top end of the other connecting piece, the two connecting pieces are connected through bolts, and the upper die and the lower die are connected into a whole by the connecting pieces.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an object of cooling design has already been promoted in the die cavity to atmospheric pressure to make its drawing of patterns, compare and utilize some hard instruments to push away the object drawing of patterns, utilize atmospheric pressure to promote the object drawing of patterns through such mode, can not cause deformation or other damages on the surface of object, kept the integrality of object.

2. The utility model discloses a cavity injection cooling water in one of them water pipe mould wall that makes progress, the water that gets into in the cavity flows through another water pipe to this makes the rivers in the cavity flow, to the material cooling in the mould, compares in traditional radiating mode, dispels the heat like this and can make radiating efficiency higher, and object cooling is faster.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the present invention;

FIG. 3 is a three-dimensional semi-sectional view of the present invention;

FIG. 4 is a three-dimensional semi-sectional view of the sleeve of the present invention;

fig. 5 is a three-dimensional half-sectional view of the inflator of the present invention.

The reference signs are: 1. an upper die; 2. injection molding a tube; 3. a sleeve; 4. a sealing rod; 5. an air cylinder; 6. a threaded rod; 7. an air duct; 8. a communicating pipe; 9. a water pipe; 10. connecting sheets; 11. a lower die; 12. a cavity; 13. and (7) pushing the block.

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 the attached drawings 1-5 in the specification, the injection mold capable of accelerating cooling and demolding of injection products comprises an upper mold 1 and a lower mold 11, wherein the upper mold 1 is arranged at the top end of the lower mold 11, the upper mold 1 and the lower mold 11 jointly form the mold, the top of the upper mold 1 is provided with a demolding mechanism, the demolding mechanism comprises two sleeves 3, the sleeves 3 are fixedly arranged at the top end of the upper mold 1, sealing rods 4 are arranged inside the sleeves 3, the outer ends of the sealing rods 4 are in contact with the inner walls of the sleeves 3, the sleeves 3 can be sealed through the sealing rods 4, the top of the upper mold 1 is provided with communicating pipes 8, two ends of each communicating pipe 8 are respectively and fixedly connected with the outer ends of the two sleeves 3, so that air is guided into the sleeves 3, the outer ends of the sleeves 3 are provided with fastening bolts, one ends of the fastening bolts extend into the sleeves 3 and are in contact with the outer ends of the sealing rods 4, the fastening bolt is in threaded connection with the sleeve 3, the fastening bolt is arranged at the top of the joint of the communicating pipe 8 and the sleeve 3, the sealing rod 4 is fixed by the fastening bolt, the outer end of the communicating pipe 8 is fixedly provided with a connecting pipe, one end of the connecting pipe is provided with an air duct 7 and is connected with one end of the air duct 7 through a quick joint, the other end of the air duct 7 is fixedly provided with an air cylinder 5, the air cylinder 5 and the communicating pipe 8 are connected by the connecting pipe, a push block 13 is arranged inside the air cylinder 5, a sealing gasket is fixedly arranged on one side of the push block 13, the outer ends of the push block 13 and the sealing gasket are in contact with the inner wall of the air cylinder 5, the sealing gasket improves the sealing performance of the push block 13, the other side of the push block 13 is provided with a threaded rod 6 and is movably connected with one end of the threaded rod 6, the other end of the threaded rod 6 extends to the rear side of the air cylinder 5 and is fixedly provided with two shift rods, and the threaded rod 6 is in threaded connection with the air cylinder 5, the gas is pushed to move by the gas cylinder 5.

The implementation scenario is specifically as follows: the upper die 1 is fixed at the top end of the lower die 11, the upper die 1 and the lower die 11 jointly form a complete die, a die cavity is formed between the upper die 1 and the lower die 11, the melted material is injected into the die cavity, a required article can be manufactured after the melted material is cooled and solidified, in the injection molding process, the sealing rod 4 is fixed in the sleeve 3 through a fastening bolt, the bottom end of the sealing rod 4 is flush with the bottom end of the sleeve 3, the sleeve 3 is in a sealing state, the joint of the communicating pipe 8 and the sleeve 3 is sealed by the sealing rod 4, after the article is cooled and formed, demolding is needed, the sealing rod 4 is pulled upwards at the moment, the bottom end of the sealing rod 4 is pulled to the top of the joint of the communicating pipe 8 and the sleeve 3, then the sealing rod 4 is fixed, the communicating pipe 8 is communicated with the die cavity in the upper die 1 through the sleeve 3, and then the connecting pipe is connected with the air duct 7, make inflator 5 be linked together with sleeve pipe 3 through air duct 7 and communicating pipe 8, at this moment, rotate the driving lever and drive threaded rod 6 and rotate, threaded rod 6 passes through threaded connection with inflator 5, consequently threaded rod 6 pushes ejector pad 13 after rotating and moves in inflator 5 is inside, the inside air of extrusion inflator 5, the air flows to sleeve pipe 3 through air duct 7 and communicating pipe 8 after receiving the extrusion, and then reach die cavity department, make the atmospheric pressure of sleeve pipe 3 and die cavity junction rise, promote the object that has cooled down the design in the die cavity through atmospheric pressure, so that make its drawing of patterns, compare in pushing away the drawing of patterns of animal body with some hard instruments, utilize atmospheric pressure to promote the drawing of patterns of animal body through such mode, can not cause deformation or other damages on the surface of object, the integrality of object has been kept.

Referring to fig. 1 to 3 of the specification, an injection mold of this embodiment is capable of accelerating cooling and demolding of an injection-molded product, the top end of the upper die 1 is fixedly provided with an injection molding pipe 2, the top end of the injection molding pipe 2 is fixedly provided with a sealing ring, in this way, the tightness during the injection molding process is ensured, the injection molding tube 2 is arranged between the two sleeves 3, the molten material enters the mold through the injection molding tube 2, a cavity 12 is arranged in the wall of the upper die 1, water pipes 9 are fixedly arranged on both sides of the upper die 1, one end of each water pipe 9 is communicated with the cavity 12, cold water is injected into the cavity 12, so as to radiate the heat of the object in the die, the outer ends of the lower die 11 and the upper die 1 are both fixedly provided with connecting sheets 10, one connecting piece 10 is arranged at the top end of the other connecting piece 10, the two connecting pieces 10 are connected through bolts, and the upper die 1 and the lower die 11 are connected into a whole through the bolts.

The implementation scene is specifically as follows: in the process of moulding plastics, the material after the instrument of moulding plastics will melting pours into the mould inside through injection molding pipe 2, the sealing washer at injection molding pipe 2 top contacts with the instrument of moulding plastics to this leakproofness in the process of moulding plastics has been ensured, after the completion of moulding plastics, pour into the cooling water into through cavity 12 in one of them water pipe 9 in the wall of upper mould 1, the water that gets into in cavity 12 flows through another water pipe 9, so that the water in cavity 12 flows, cool down the material in the mould, compare in traditional radiating mode, the heat dissipation can make radiating efficiency higher like this, the object cooling is faster.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a can accelerate injection mold of injection product cooling drawing of patterns, includes upper mold (1) and bed die (11), upper mold (1) is established on bed die (11) top, its characterized in that: the top of the upper die (1) is provided with a demoulding mechanism;

demoulding mechanism includes two sleeve pipes (3), sleeve pipe (3) are fixed to be established on last mould (1) top, inside sealing rod (4) that is equipped with of sleeve pipe (3), sealing rod (4) outer end contacts with sleeve pipe (3) inner wall, it is equipped with communicating pipe (8) to go up mould (1) top, communicating pipe (8) both ends respectively with two sleeve pipes (3) outer end fixed connection.

2. An injection mold capable of accelerating cooling and demolding of an injection molded product according to claim 1, wherein: sleeve pipe (3) outer end is equipped with fastening bolt, fastening bolt one end extends to inside and contact with sealing rod (4) outer end of sleeve pipe (3), fastening bolt passes through threaded connection with sleeve pipe (3), fastening bolt establishes at the top of communicating pipe (8) and sleeve pipe (3) junction.

3. An injection mold capable of accelerating cooling and demolding of an injection molding product according to claim 1, wherein: communicating pipe (8) outer end is fixed and is equipped with the connecting pipe, connecting pipe one end is equipped with air duct (7) and is connected through quick-operation joint with air duct (7) one end, air duct (7) other end is fixed and is equipped with inflator (5), inflator (5) inside is equipped with ejector pad (13), ejector pad (13) one side is fixed and is equipped with sealed the pad, ejector pad (13) and sealed pad outer end contact with inflator (5) inner wall, ejector pad (13) opposite side is equipped with threaded rod (6) and passes through bearing swing joint with threaded rod (6) one end, threaded rod (6) other end extends to inflator (5) rear side and fixed two driving levers that are equipped with, threaded rod (6) pass through threaded connection with inflator (5).

4. An injection mold capable of accelerating cooling and demolding of an injection molded product according to claim 1, wherein: go up fixed injection pipe (2) that is equipped with in mould (1) top, the fixed sealing washer that is equipped with in injection pipe (2) top, injection pipe (2) are established between two sleeve pipes (3).

5. An injection mold capable of accelerating cooling and demolding of an injection molded product according to claim 1, wherein: a cavity (12) is formed in the wall of the upper die (1), water pipes (9) are fixedly arranged on two sides of the upper die (1), and one end of each water pipe (9) is communicated with the cavity (12).

6. An injection mold capable of accelerating cooling and demolding of an injection molded product according to claim 1, wherein: the outer ends of the lower die (11) and the upper die (1) are fixedly provided with connecting pieces (10), one of the connecting pieces (10) is arranged at the top end of the other connecting piece (10), and the two connecting pieces (10) are connected through bolts.