CN219191144U - A mold for injection molding machine with automatic demoulding function - Google Patents

Abstract

The utility model discloses an injection molding machine die with an automatic demolding function, and particularly relates to the technical field of injection molding machines, comprising a first die frame and a second die frame, wherein an injection molding cavity is formed between the first die frame and the second die frame, a sealing ring is fixedly clamped at the middle part of one side of the first die frame, which is close to the second die frame, a sealing groove matched with the sealing ring is formed at the outer side of the injection molding cavity on the second die frame, the sealing ring is movably clamped in the corresponding sealing groove, an injection molding machine nozzle is fixedly clamped at the middle part of the first die frame, a discharging mechanism is arranged in the second die frame, and a cooling assembly is arranged in the second die frame; according to the utility model, the cooling assembly is arranged to circulate cooling liquid in the outer ring pipe and the inner ring pipe, so that the cooling of raw materials in the injection cavity is accelerated, the formation of injection molding pieces is accelerated, and the use effect of the whole injection molding machine is improved.

Description

A mold for injection molding machine with automatic demoulding function

technical field

The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine mold with an automatic demoulding function.

Background technique

Injection molding machine is a main molding equipment for making thermoplastics or thermosetting plastics into various shapes of plastic products using plastic molding molds. It is divided into vertical, horizontal, and all-electric types; the injection molding machine can heat the plastic and apply high pressure to the molten plastic. , so that it is injected to fill the mold cavity;

The injection molding of the injection molding machine is mostly formed in the mold. However, there are still some problems in the actual use of the existing injection molding machine mold: when the thermoplastic is extruded into the mold cavity through the injection molding machine, it is mostly cooled by the thermoplastic in the mold. , the cooling time is long, the molding is slow, and after the product is formed, it is mostly unloaded by the product's own gravity, the product is easy to stick to the mold, and it is troublesome to use tools to remove the product with the assistance of the staff. For this reason, we A mold for injection molding machine with automatic demoulding function is proposed to solve the above problems.

Utility model content

The purpose of this utility model is to provide an injection molding machine mold with automatic demoulding function to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical proposal: an injection molding machine mold with automatic demoulding function, including a first mold frame and a second mold frame, and a mold frame is formed between the first mold frame and the second mold frame. Injection molding cavity, the middle part of one side of the first mold frame close to the second mold frame is fixed with a sealing ring, and the outer side of the injection molding cavity on the second mold frame is provided with a sealing groove for use with the sealing ring, and the sealing ring The activity is clamped in the corresponding sealing groove, the middle part of the first mold frame is fixedly clamped with the nozzle of the injection molding machine, the second mold frame is provided with a discharge mechanism, and the second mold frame is provided with a cooling assembly ;

The discharge mechanism includes a push plate, the inner wall of the injection cavity in the second mold frame is provided with a first groove corresponding to the push plate, and the push plate is movably engaged in the first groove, and the push plate The middle part of the clamping column is fixedly installed with a clamping column, and the side of the clamping column away from the push plate is fixedly equipped with a chuck. A spring is fixedly installed between the side and the inner wall of the second mold frame, and the outer side of the chuck is integrally formed with three connecting plates distributed in a circular array, the ends of the connecting plates are all vertically installed with connecting rods, and the connecting plates The connecting rod is movably clamped in the second mold frame, the end of the connecting rod is fixedly equipped with a push column, the inner wall of the sealing groove is provided with a second groove corresponding to the push column, and the push column is movable snapped into the corresponding second groove.

Preferably, the cooling assembly includes an outer ring tube and an inner ring tube, the outer ring tube and the inner ring tube are arranged coaxially, and a first liquid catheter is integrally formed on one side of the outer ring tube and the inner ring tube, The side of the outer ring tube and the inner ring tube away from the first catheter tube is integrally formed with a second catheter tube, and the outer ring tube, the inner ring tube, the first catheter tube, and the second catheter tube are all fixed snapped into the second mold frame; the opposite ends of the first and second catheter tubes extend out of the second mold frame; the outer ring tube and the inner ring tube are located in the injection cavity location.

Preferably, the four corners of the first mold frame close to the second mold frame are fixedly installed with guide columns, and the four corners of the second mold frame are fixedly provided with guide tubes corresponding to the guide columns. The guide column is movably inserted into the corresponding guide tube, and the limit ring is fixedly installed at one end of the guide column away from the first mold frame.

Preferably, a heating element is fixedly clamped in the middle of the first mold frame; the heating element has a spiral structure; and the heating element is located outside the nozzle head of the injection molding machine.

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

1. By setting the cooling assembly, the coolant in the outer ring pipe and the inner ring pipe can be circulated, thereby accelerating the cooling of the raw materials in the injection cavity and the formation of injection molded parts, thereby improving the use effect of the entire injection molding machine;

2. By setting the discharge mechanism, it is convenient to automatically push out the injection molded parts in the injection cavity to prevent the product from sticking to the mold and to facilitate the removal of the product.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic structural diagram of the utility model after disassembly.

Fig. 3 is another structural schematic diagram of the utility model after disassembly.

Fig. 4 is a schematic diagram of the structural connection between the second mold frame and the discharge mechanism in the present invention.

Fig. 5 is another structural connection diagram of the second mold frame and the discharge mechanism in the present invention.

Fig. 6 is an enlarged view of A in Fig. 5 of the present utility model.

Fig. 7 is a schematic diagram of the structural connection of the cooling assembly in the present invention.

In the figure: 1, the first mold frame; 101, the injection molding cavity; 102, the sealing groove; 2, the second mold frame; 3, the sealing ring; 4, the nozzle of the injection molding machine; 5, the discharging mechanism; 6, the cooling assembly; 7 , guide column; 71, guide tube; 72, limit ring; 8, heating element; 51, push plate; 511, first groove; 52, clamping post; 53, chuck; 531, spring; 55, connecting rod; 56, push column; 561, second groove; 61, outer ring pipe; 62, inner ring pipe; 63, first catheter; 64, second catheter.

Implementation

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment: As shown in Figure 1-7, the utility model provides a kind of injection molding machine mold with automatic demoulding function, comprises first mold frame 1 and second mold frame 2, first mold frame 1 and second mold An injection molding cavity 101 is formed between the frames 2; the four corners of the first mold frame 1 close to the second mold frame 2 are fixedly installed with guide columns 7, and the four corners of the second mold frame 2 are fixedly mounted with guide columns 7 The corresponding guide tube 71, the guide column 7 is movably inserted in the corresponding guide tube 71, the end of the guide column 7 away from the first mold frame 1 is fixedly installed with the limit ring 72, by setting the guide column 7, the guide tube 71 is used together, The guide column 7 is movably inserted into the corresponding guide tube 71, which is convenient for stable guiding movement between the first mold frame 1 and the second mold frame 2, and improves the stability of injection molding;

The middle part of the first mold frame 1 close to the second mold frame 2 is fixed with a sealing ring 3, and the outer side of the injection cavity 101 on the second mold frame 2 is provided with a sealing groove 102 used in conjunction with the sealing ring 3, and the sealing ring 3 is movable. Clamped in the corresponding sealing groove 102 to perform sealing between the first mold frame 1 and the second mold frame 2, the middle part of the first mold frame 1 is fixed with the nozzle 4 of the injection molding machine, and the middle part of the first mold frame 1 is fixed The card is equipped with a heating element 8; the heating element 8 has a spiral structure; the heating element 8 is located outside the nozzle 4 of the injection molding machine. By setting the heating element 8 with a spiral structure outside the nozzle 4 of the injection molding machine, Heating is performed to prevent the solidification of the raw materials at the 4th position of the nozzle of the injection molding machine, which will cause the outlet to be blocked and improve the injection molding effect;

A discharge mechanism 5 is arranged in the second mold frame 2, and a cooling assembly 6 is arranged in the second mold frame 2;

The discharge mechanism 5 includes a push plate 51, the inner wall of the injection cavity 101 in the second mold frame 2 is provided with a first groove 511 corresponding to the push plate 51, the push plate 51 is movably engaged in the first groove 511, and the push plate The middle part of 51 is fixedly installed with clamping column 52, and the side of clamping column 52 away from push plate 51 is fixedly installed with chuck 53, and chuck 53, clamping column 52 are movably clamped in the second mold frame 2, and chuck 53 is far away from clamping plate 51. A spring 531 is fixedly installed between one side of the column 52 and the inner wall of the second mold frame 2, and the outer side of the chuck 53 is integrally formed with three connecting plates 54 distributed in a circular array, and connecting rods are installed vertically at the ends of the connecting plates 54 55, the connecting plate 54 and the connecting rod 55 are movably clamped in the second mold frame 2, and the ends of the connecting rod 55 are fixedly equipped with a push post 56, and the inner wall of the sealing groove 102 is provided with a second recess corresponding to the push post 56. Groove 561, the push pin 56 is movably engaged in the corresponding second groove 561, when the first mold frame 1 and the second mold frame 2 are closed, the sealing ring 3 on the first mold frame 1 drives the push pin 56 to move Connected in the second groove 561, drive the connecting rod 55, the connecting plate 54, the chuck 53, the clamping column 52, and the push plate 51 to move horizontally, and the push plate 51 is movably engaged in the first groove 511, and squeezes the spring 531, subsequently, inject into the injection molding cavity 101, after finishing the injection molding, separate the first mold frame 1 and the second mold frame 2, the spring 531 resets, drives the chuck 53, the clamping column 52, the push plate 51 to move horizontally, and automatically pushes out the injection molding The injection molded part in the cavity 101 prevents the product from sticking to the mould, and is convenient for the product to be taken off.

The cooling assembly 6 includes an outer ring pipe 61 and an inner ring pipe 62. The outer ring pipe 61 and the inner ring pipe 62 are arranged coaxially. One side of the outer ring pipe 61 and the inner ring pipe 62 is integrally formed with a first catheter 63. The side of the ring pipe 61 and the inner ring pipe 62 away from the first catheter 63 is integrally formed with a second catheter 64, the outer ring 61, the inner ring 62 and the first catheter 63, the second catheter 64 are all fixedly clamped in the second mold frame 2; the opposite ends of the first liquid guide tube 63 and the second liquid guide tube 64 all extend out of the outside of the second mold frame 2; the outer ring pipe 61 and the inner ring pipe 62 are located at the position of the injection molding cavity 101. When in use, the first liquid guide tube 63 and the second liquid guide tube 64 on both sides are respectively connected to the input end and output end of the cooling liquid circulation mechanism. During injection molding, the cooling liquid circulation mechanism is turned on , the cooling liquid enters the outer ring pipe 61 and the inner ring pipe 62 through the input end and the first liquid guide pipe 63, and then discharges into the cooling liquid circulation mechanism through the second liquid guide pipe 64 and the output end to carry out the outer ring pipe 61 and the inner ring pipe 61. The circulation of the cooling liquid in the ring pipe 62 accelerates the cooling of the raw material in the injection molding cavity 101 and the formation of the injection molded part, thereby improving the use effect of the entire injection molding machine.

Working principle: before use, connect the first liquid conduit 63 and the second liquid conduit 64 on both sides to the input end and output end of the cooling liquid circulation mechanism respectively;

When in use, the first mold frame 1 and the second mold frame 2 are close to each other to close the mold, the sealing ring 3 on the first mold frame 1 is against the push post 56, and the push post 56 is movably engaged in the corresponding second groove 561, Drive the connecting rod 55, the connecting plate 54, the chuck 53, the clamping column 52 and the push plate 51 to move horizontally, and the push plate 51 is movably engaged in the first groove 511 and squeezes the spring 531, so that the first mold frame 1 An injection cavity 101 is formed between the second mold frame 2, and subsequently, injection molding is performed in the injection cavity 101;

After the injection molding is completed, the cooling liquid circulation mechanism is opened, and the cooling liquid enters the outer ring pipe 61 and the inner ring pipe 62 through the input end and the first liquid guide pipe 63, and then is discharged into the cooling liquid circulation mechanism through the second liquid guide pipe 64 and the output end In the middle, the circulation of the cooling liquid in the outer ring pipe 61 and the inner ring pipe 62 is carried out, thereby accelerating the cooling of the raw material in the injection molding cavity 101, and accelerating the formation of the injection molded part;

After the injection molding is completed, separate the first mold frame 1 and the second mold frame 2, reset the spring 531, drive the chuck 53, the clamping column 52, and the push plate 51 to move horizontally, and automatically push out the injection molded parts in the injection cavity 101 to prevent the product from sticking. On the mold, it is easy to remove the product.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. An injection molding machine mold with automatic demoulding function, comprising a first mold frame (1) and a second mold frame (2), characterized in that: the first mold frame (1) and the second mold frame ( 2) An injection molding cavity (101) is formed between them, the middle part of the first mold frame (1) close to the second mold frame (2) is fixed with a sealing ring (3), and the second mold frame (2) ) on the outside of the upper injection cavity (101) is provided with a sealing groove (102) used in conjunction with the sealing ring (3), and the sealing ring (3) is movably snapped into the corresponding sealing groove (102), and the first mold The middle part of the frame (1) is fixed with an injection molding machine nozzle (4), the second mold frame (2) is equipped with a discharge mechanism (5), and the second mold frame (2) is equipped with a cooling assembly (6); The discharge mechanism (5) includes a push plate (51), and the inner wall of the injection cavity (101) in the second mold frame (2) is provided with a first groove (511) corresponding to the push plate (51), The push plate (51) is movably engaged in the first groove (511), and the middle part of the push plate (51) is fixedly equipped with a post (52), and the post (52) is far away from the push plate (51) ) is fixedly installed with a chuck (53), the chuck (53) and the clamping column (52) are movably clamped in the second mold frame (2), and the chuck (53) is far away from the clamping column ( A spring (531) is fixedly installed between one side of 52) and the inner wall of the second mold frame (2), and the outer side of the chuck (53) is integrally formed with three connecting plates (54) distributed in a circular array. Connecting rods (55) are installed vertically at the ends of the connecting plates (54), and the connecting plates (54) and connecting rods (55) are movably clamped in the second mold frame (2), and the connecting rods (55) ) are fixedly installed with a push post (56), the inner wall of the sealing groove (102) is provided with a second groove (561) corresponding to the push post (56), and the push post (56) is movable connected in the corresponding second groove (561). 2. A mold for injection molding machine with automatic demoulding function according to claim 1, characterized in that: the cooling assembly (6) includes an outer ring pipe (61) and an inner ring pipe (62), and the outer ring pipe (62) The ring pipe (61) and the inner ring pipe (62) are arranged coaxially, and one side of the outer ring pipe (61) and the inner ring pipe (62) is integrally formed with a first catheter (63), and the outer ring The side of the tube (61) and the inner ring tube (62) away from the first catheter tube (63) is integrally formed with a second catheter tube (64), the outer ring tube (61), the inner ring tube (62) The first liquid guide tube (63) and the second liquid guide tube (64) are fixedly clamped in the second mold frame (2). 3. A mold for an injection molding machine with automatic demoulding function according to claim 2, characterized in that: the opposite ends of the first catheter (63) and the second catheter (64) are both Extend out the outside of the second mold frame (2). 4. The mold of an injection molding machine with automatic demoulding function according to claim 2, characterized in that: the outer ring pipe (61) and the inner ring pipe (62) are both located at the position of the injection cavity (101). 5. An injection molding machine mold with automatic demoulding function according to claim 1, characterized in that: the four corners of the first mold frame (1) close to the second mold frame (2) are fixedly installed There are guide posts (7), and the four corners of the second mold frame (2) are fixedly provided with guide tubes (71) corresponding to the guide posts (7), and the guide posts (7) are movably plugged into the corresponding In the guide tube (71), a limit ring (72) is fixedly installed at one end of the guide column (7) away from the first mold frame (1). 6 . The mold of an injection molding machine with automatic demoulding function according to claim 1 , characterized in that: the middle part of the first mold frame ( 1 ) is fixedly provided with a heating element ( 8 ). 7. The mold of an injection molding machine with automatic demoulding function according to claim 6, characterized in that: the heating element (8) has a spiral structure. 8 . The mold of an injection molding machine with automatic demoulding function according to claim 6 , characterized in that: the heating element ( 8 ) is located outside the nozzle ( 4 ) of the injection molding machine.

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