CN218399234U

CN218399234U - Injection mold

Info

Publication number: CN218399234U
Application number: CN202222643184.6U
Authority: CN
Inventors: 卢俊浩; 赵永超; 佟瑞; 王业天
Original assignee: Qingdao Haiqin Mould Co ltd
Current assignee: Qingdao Haiqin Mould Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-31
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to an injection mold's technical field provides an injection mold, including the base, and set up the die block of moulding plastics on the base, the bottom of the die block of moulding plastics is formed with and holds the chamber, holds the intracavity and is provided with demoulding mechanism, and demoulding mechanism includes the bottom plate that contacts with the finished product of moulding plastics. The utility model can eject out the product after injection molding to complete the demoulding operation of the product, and simultaneously, the product can be ejected out when the adhesion degree of the injection molding product and the mould is higher, so that the product can be conveniently demoulded, and the working efficiency is improved; the utility model can separate the temperature to prevent the demoulding mechanism from being affected by the temperature and prevent the demoulding mechanism from being damaged, thereby preventing the demoulding effect of the product from being affected and further reducing the production cost; the utility model discloses simple structure, convenient operation can dismantle the base, mould plastics the top mould and mould plastics the die block, is convenient for maintain the base, mould plastics the top mould and mould plastics the die block.

Description

Injection mold

Technical Field

The utility model relates to an injection mold's technical field specifically is an injection mold.

Background

Injection molding is a method for producing and molding industrial products, and the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding method and die casting method.

At present, current injection mold is behind the product shaping, and it is ejecting with fashioned product mainly to rely on thimble and spring force, and mould operating temperature is higher, and the spring is long easily tired soft for a long time, and elasticity is not enough, if injection product is high with mould adhesion degree, then is not enough ejecting with the product, and the drawing of patterns is inconvenient, and in addition, the mould is not convenient for dismantle, leads to the mould not convenient to maintain and overhaul. Therefore, improvement is desired in view of the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an injection mold can be ejecting with the product after the injection moulding to make the product drawing of patterns convenient, and then improve work efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an injection mold, includes the base, and sets up the die block of moulding plastics on the base, and the bottom of the die block of moulding plastics is formed with and holds the chamber, holds the intracavity and is provided with demoulding mechanism, and demoulding mechanism includes the bottom plate that contacts with the finished product of moulding plastics, and demoulding mechanism breaks away from the die block of moulding plastics for the finished product of moulding plastics on the drive bottom plate.

Furthermore, a groove for placing injection molding finished products is formed in the injection molding bottom die and communicated with the accommodating cavity of the injection molding bottom die.

Demoulding mechanism still holds the actuating lever that the intracavity rotated to be connected with the die block of moulding plastics, and the cover locates the rotation axle collar in the actuating lever outside in the die block of moulding plastics, and the bottom plate is connected through the connecting rod with the rotation axle collar realization, and the both ends of connecting rod are articulated with bottom plate and rotation axle collar respectively, and the end connection of the die block of moulding plastics has the motor for the drive actuating lever rotates.

Furthermore, two ends of the driving rod are provided with reverse threads, the rotating shaft ring is sleeved on the outer side of the driving rod and is in threaded connection with the driving rod, a first fixing part is arranged on the rotating shaft ring, and the bottom end of the first fixing part is rotatably connected with the rotating shaft ring so as to realize that the bottom plate slides along the groove.

Furthermore, a return spring is arranged between the two rotary shaft rings.

Further, the four corners of the injection molding bottom die are provided with guide posts, the guide posts are vertically sleeved on the injection molding bottom die and fixed through fasteners, the top ends of the guide posts are sleeved with injection molding top dies, injection molding openings are formed in the injection molding top dies, the injection molding top dies and the injection molding bottom die are arranged in the horizontal direction, springs are arranged on the injection molding bottom die, one ends of the springs are connected with the injection molding top dies, and the other ends of the springs are connected with the injection molding bottom die.

Furthermore, the top mould of moulding plastics is provided with the mounting hole corresponding to the guide post, and the guide post cover is located the mounting hole in, and the top of guide post is located the mounting hole and is provided with the fastener for the restriction top mould of moulding plastics breaks away from with the guide post.

Further, the bottom plate is provided with a heat insulation plate.

Owing to adopted above technical scheme, the beneficial technological effect of the utility model is that:

1. the utility model can eject out the product after injection molding to complete the demoulding operation of the product, and simultaneously, the product can be ejected out when the adhesion degree of the injection molding product and the mould is higher, so that the product can be conveniently demoulded, and the working efficiency is improved;

2. the utility model can separate the temperature to prevent the demoulding mechanism from being affected by the temperature and prevent the demoulding mechanism from being damaged, thereby preventing the demoulding effect of the product from being affected and further reducing the production cost;

3. the utility model discloses simple structure, convenient operation can dismantle base, the top mould of moulding plastics and the die block of moulding plastics, is convenient for maintain base, the top mould of moulding plastics and the die block of moulding plastics.

Drawings

Fig. 1 is a schematic structural view of an injection mold of the present invention;

fig. 2 is a sectional view of the injection mold of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

fig. 4 is a working state diagram of the injection mold of the present invention.

Description of the reference numerals:

1. a base 2, an injection bottom die 3, a demoulding mechanism 4, an injection port 5, a guide post 6, a spring 7, a mounting hole 8, an injection top die 9, a fastener 10 and a pressing plate,

21. the groove is arranged on the upper surface of the shell,

31. the device comprises a base plate, a base plate 32, a motor 33, a driving rod 34, a rotating collar 35, a return spring 36, a first fixing piece 37, a connecting rod 38 and a second fixing piece.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings:

it should be noted that the structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Embodiment 1, with reference to fig. 1 to 4, this embodiment provides an injection mold, which includes a base 1 and an injection bottom mold 2 disposed on the base 1, a receiving cavity is formed at a bottom end of the injection bottom mold 2, a demolding mechanism 3 is disposed in the receiving cavity, the demolding mechanism 3 includes a bottom plate 31 contacting with an injection product, and the demolding mechanism 3 is configured to drive the injection product on the bottom plate 31 to separate from the injection bottom mold 2. The demolding mechanism 3 can eject the product after injection molding on the bottom plate 31 to complete the demolding operation of the product, and meanwhile, the product can also be ejected when the adhesion degree of the injection molding product and the mold is high, so that the product is conveniently demolded, and the working efficiency is further improved.

Specifically, a groove 21 for placing an injection molding finished product is formed in the injection molding bottom die 2, and the groove is communicated with a containing cavity of the injection molding bottom die 2. The bottom plate 31 is arranged at the bottom end of the groove 21, a mold for placing thermoplastic materials or thermosetting materials is formed by the bottom plate 31 and the groove 21, the bottom plate 31 can move up and down along the groove 21, when the injection molding machine works, the thermoplastic materials are injected into the mold formed by the groove 21 and the bottom plate 31 through the injection port 4 by an external injection molding machine, the thermoplastic materials are pressed and molded by the pressing plate 10 of the injection molding machine, and the product molding efficiency is high.

Specifically, the demolding mechanism 3 further includes a driving rod 33 disposed in the accommodating cavity of the injection mold bottom 2 and rotatably connected to the injection mold bottom 2, and a rotating collar 34 sleeved outside the driving rod 33, the bottom plate 31 and the rotating collar 34 are connected by a connecting rod 37, two ends of the connecting rod 37 are respectively hinged to the bottom plate 31 and the rotating collar 34, and the end of the injection mold bottom 2 is connected to a motor 32 for driving the driving rod 33 to rotate. The motor 32 drives the driving rod 33 to rotate, the driving rod 33 drives the rotating collar 34 to move, so that the connecting rod 37 hinged to the rotating collar 34 drives the bottom plate 31 to move upwards, and further, a product formed in the groove 21 is ejected out, and the demolding efficiency is high.

In one embodiment, two ends of the driving rod 33 are provided with reverse threads, the rotating collar 34 is sleeved outside the driving rod 33 and is in threaded connection with the driving rod 33, a first fixing member 36 is arranged on the rotating collar 34, and the bottom end of the first fixing member 36 is in rotational connection with the rotating collar 34 so as to realize that the bottom plate 31 slides along the groove 21. Bottom plate 31's bottom is provided with mounting two 38, the both ends of connecting rod 37 are articulated with mounting one 36 and mounting two 38 respectively, in operation, open motor 32, motor 32 drives actuating lever 33 and rotates, actuating lever 33 drives the rotation axle collar 34 that is located both ends and draws close to the middle part of actuating lever 33, mounting one 36 can be followed rotation axle collar 34 and rotated, make connecting rod 37 can steadily support bottom plate 31, in-process that two rotation axle collars 34 constantly draw close, connecting rod 37 drives bottom plate 31 along recess 21 rebound, thereby it is ejecting with the product after the shaping on bottom plate 31, and then be convenient for the product drawing of patterns.

Preferably, a return spring 35 is provided between the two rotary collars 34 to enhance the stability of the movement of the base plate 31.

Preferably, the bottom plate 31 is provided as a heat insulating plate. The heat insulating board can make demoulding mechanism 3 not receive the influence of temperature with the temperature separation, prevents that demoulding mechanism 3 from receiving the damage to prevent to influence the drawing of patterns effect of product, and then reduction in production cost.

Specifically, the four corners of the injection bottom die 2 are provided with guide posts 5, the guide posts 5 are vertically sleeved on the injection bottom die 2 and are fixed through fasteners 9, the top end of each guide post 5 is sleeved with an injection top die 8, an injection opening 4 is formed in each injection top die 8, the injection top dies 8 and the injection bottom die 2 are arranged in the horizontal direction, springs 6 are arranged on the injection bottom die 2, one ends of the springs 6 are connected with the injection top dies 8, and the other ends of the springs are connected with the injection bottom die 2.

The top mould 8 of moulding plastics corresponds guide post 5 and is provided with mounting hole 7, and in guide post 5 cover was located mounting hole 7, the top of guide post 5 was located and is provided with fastener 9 in the mounting hole 7 for the restriction top mould 8 of moulding plastics breaks away from with guide post 5. The injection molding top die 8 is positioned right above the injection molding bottom die 2 through the guide post 5, so that the thermoplastic material in the groove 21 can be molded conveniently, during disassembly, only the fasteners 9 at two ends of the guide post 5 are required to be disassembled, and then the base 1, the injection molding bottom die 2 and the injection molding top die 8 are taken down from the guide post 5.

The utility model discloses a theory of operation is, the cross-sectional area of clamp plate 10 is less than the cross-sectional area of the top mould 8 of moulding plastics, during the use, clamp plate 10 is pressed down the top mould 8 of moulding plastics, the top mould 8 of moulding plastics is along guide post 5 to the 2 directions removal of die block of moulding plastics, 8 compression spring 6 of top mould of moulding plastics, make the bottom surface of the top mould 8 of moulding plastics and the complete butt of the top surface of the die block 2 of moulding plastics, this moment, to the 4 injection moulding mouth injection thermoplastic material on clamp plate 10, thermoplastic material gets into the mould intracavity injection moulding that bottom plate 31 and recess 21 formed through the mouth of moulding plastics 4 on the top mould 8 of moulding plastics, when needing the drawing of patterns behind the product injection moulding, clamp plate 10 resets, open motor 32, motor 32 drives actuating lever 33 and rotates, actuating lever 33 drives the rotation axle collar 34 that is located both ends and draws close to the middle part of actuating lever 33, at the in-process that two rotation axle collars 34 constantly draw close, connecting rod 37 drives bottom plate 31 and follows recess 21 rebound, thereby ejecting product after 31, be convenient for product drawing of patterns operation, and then improve the drawing of patterns efficiency of product.

Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not limited to the specific embodiments, but is intended to be limited only by the scope of the appended claims.

Claims

1. The utility model provides an injection mold, its characterized in that, includes base (1) and sets up injection mold die block (2) on base (1), the bottom of injection mold die block (2) is formed with and holds the chamber, holds the intracavity and is provided with demoulding mechanism (3), demoulding mechanism (3) include bottom plate (31) that contact with the finished product of moulding plastics, demoulding mechanism (3) are used for driving the finished product of moulding plastics on bottom plate (31) to break away from injection mold die block (2).

2. An injection mold according to claim 1, characterized in that the injection bottom mold (2) is provided with a groove (21) for placing the injection molded product, and the groove is communicated with the accommodating cavity of the injection bottom mold (2).

3. The injection mold according to claim 2, characterized in that, the demolding mechanism (3) further comprises a driving rod (33) rotatably connected with the injection bottom mold (2) in the accommodating cavity of the injection bottom mold (2) and a rotating shaft ring (34) sleeved outside the driving rod (33), the bottom plate (31) and the rotating shaft ring (34) are connected through a connecting rod (37), two ends of the connecting rod (37) are respectively hinged with the bottom plate (31) and the rotating shaft ring (34), and the end of the injection bottom mold (2) is connected with a motor (32) for driving the driving rod (33) to rotate.

4. An injection mold according to claim 3, wherein two ends of the driving rod (33) are provided with reverse threads, the rotating collar (34) is sleeved outside the driving rod (33) and is in threaded connection with the driving rod (33), a first fixing member (36) is arranged on the rotating collar (34), and a bottom end of the first fixing member (36) is in rotational connection with the rotating collar (34) so as to enable the bottom plate (31) to slide along the groove (21).

5. An injection mould as claimed in claim 3, characterised in that a return spring (35) is provided between the rotary collars (34).

6. The injection mold according to claim 1, characterized in that four corners of the injection bottom mold (2) are provided with guide posts (5), the guide posts (5) are vertically sleeved on the injection bottom mold (2) and fixed through fasteners (9), the top end of each guide post (5) is sleeved with an injection top mold (8), an injection opening (4) is formed in each injection top mold (8), the injection top mold (8) and the injection bottom mold (2) are arranged in the horizontal direction, a spring (6) is arranged on the injection bottom mold (2), one end of each spring (6) is connected with the injection top mold (8), and the other end of each spring is connected with the injection bottom mold (2).

7. An injection mold according to claim 6, characterized in that the injection top mold (8) is provided with a mounting hole (7) corresponding to the guide post (5), the guide post (5) is sleeved in the mounting hole (7), and a fastening member (9) is provided in the mounting hole (7) at the top end of the guide post (5) for limiting the injection top mold (8) from being separated from the guide post (5).

8. An injection mould according to claim 1, characterised in that the bottom plate (31) is provided as a heat shield.