CN210969771U - Exhaust mechanism for injection mold - Google Patents

Abstract

The utility model discloses an exhaust mechanism for injection mold, including returning the shape case, the upper end middle part of returning the shape case is provided with the telescoping device, and telescoping device fixed mounting is in the inner wall bottom of returning the shape case, the upper end fixed mounting of telescoping device has first connecting plate, return first fixed plate of the equal fixedly connected with in the upper end left and right sides portion of shape case, the upper end fixedly connected with lower mould of first fixed plate, the die cavity has been seted up to the upper end of lower mould, the inside swing joint of die cavity has the mould, go up the equal fixedly connected with second fixed plate of the left and right-hand members of mould. An exhaust mechanism for injection mold, press from both sides the left side second fixed plate tightly when down moving through driving first compression board, and then press from both sides the mould tightly, press from both sides the second fixed plate on right side tightly when down moving through driving second compression board to it is fixed to press from both sides the mould tightly, thereby prevent to go up the not hard up of mould, thereby reduced off-the-shelf damage, and then reduced manufacturing cost.

Description

Exhaust mechanism for injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an exhaust mechanism for injection mold.

Background

The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used in batch production of parts with complex shapes, specifically, plastics melted by heating are injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust mechanism for injection mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhaust mechanism for injection mold, includes back the shape case, the upper end middle part of returning the shape case is provided with the telescoping device, and telescoping device fixed mounting is in the inner wall bottom of returning the shape case, the upper end fixed mounting of telescoping device has first connecting plate, return the first fixed plate of the equal fixedly connected with in upper end left and right sides portion of shape case, the upper end fixedly connected with lower mould of first fixed plate, the die cavity has been seted up to the upper end of lower mould, the inside swing joint of die cavity has the mould, go up the equal fixedly connected with second fixed plate of left and right-hand member of mould, a plurality of exhaust holes have been seted up at the front end middle part of lower mould, the upper end left part of lower mould is provided with first compression device, the upper end right part of lower.

Preferably, the main structure of the telescopic device comprises a telescopic power machine and a telescopic rod, the telescopic rod is fixedly connected to the upper end of the telescopic power machine, the upper end of the telescopic rod is fixedly connected with a first connecting rod, one end of the first connecting rod is inserted and connected to the middle of the upper end of the clip box, and the telescopic power machine is fixedly installed at the bottom of the inner wall of the clip box to fixedly connect the telescopic device and the clip box.

Preferably, the main structure of the first compression device is provided with a first compression plate and a second connecting plate, the first compression plate is fixedly mounted on the upper portion of the right end of the second connecting plate, the lower portion of the front end of the second connecting plate is movably connected with a first rotating rod, and the left portion of the first connecting plate is movably connected to the outer surface of the first rotating rod to movably connect the first compression device and the expansion device together.

Preferably, the main structure of the second compression device is provided with a second compression plate and a third connecting plate, the second compression plate is fixedly connected to the upper portion of the left end of the third connecting plate, the lower portion of the front end of the third connecting plate is movably connected with a second rotating rod, and the right portion of the first connecting plate is movably connected to the outer surface of the second rotating rod to movably connect the second compression device with the telescopic device.

Preferably, the vent hole is communicated with the interior of the mold cavity.

Preferably, the left part and the right part of the lower end of the clip box are fixedly connected with a retractable plate, and the lower ends of the two groups of retractable plates are fixedly provided with a retractable plate power device.

Compared with the prior art, the beneficial effects of the utility model are that: this exhaust mechanism for injection mold, pour the plastics fuse-element into the mould intracavity, a large amount of gas of production discharges through the exhaust hole and goes, press from both sides the second fixed plate in left side when down moving through driving first compression board, and then press from both sides the mould tightly, press from both sides the second fixed plate on right side when down moving through driving the second compression board, thereby it is fixed to press from both sides the mould tightly, thereby prevent the not hard up of mould, thereby finished damage has been reduced, and then manufacturing cost has been reduced, it carries out up-and-down concertina movement to drive the expansion plate through expansion plate power device, thereby it carries out up-and-down reciprocating motion to drive the case of returning, and then drive the lower mould and move, thereby the circulation speed of inside gas is accelerated when making the plastics fuse-element in the mould intracavity carry out up-and-down motion, thereby the gas.

Drawings

Fig. 1 is a schematic view of an overall structure of an exhaust mechanism for an injection mold according to the present invention;

FIG. 2 is a schematic view of a telescopic device of an exhaust mechanism for an injection mold according to the present invention;

fig. 3 is a schematic structural view of a first compression device of an exhaust mechanism for an injection mold according to the present invention;

fig. 4 is a schematic structural view of a second compression device of an exhaust mechanism for an injection mold.

In the figure: 1. a box with a shape of Chinese character 'hui'; 2. a telescoping device; 3. a first connecting plate; 4. a first fixing plate; 5. a lower die; 6. a mold cavity; 7. an upper die; 8. a second fixing plate; 9. an exhaust hole; 10. a first compression device; 11. a second compression device; 12. a retractable plate; 13. a retractable plate power device; 21. a telescopic power machine; 22. a telescopic rod; 23. a first connecting rod; 101. a first compression plate; 102. a second connecting plate; 103. a first rotating lever; 111. a second compression plate; 112. a third connecting plate; 113. a second rotating rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an exhaust mechanism for injection mold, including returning shape case 1, the upper end middle part that returns shape case 1 is provided with telescoping device 2, and 2 fixed mounting of telescoping device are in the inner wall bottom that returns shape case 1, the upper end fixed mounting of telescoping device 2 has first connecting plate 3, return first fixed plate 4 of the equal fixedly connected with in the upper end left and right sides portion of shape case 1, the upper end fixedly connected with lower mould 5 of first fixed plate 4, die cavity 6 has been seted up to the upper end of lower mould 5, the inside swing joint of die cavity 6 has last mould 7, go up the equal fixedly connected with of the left and right ends of mould 7 second fixed plate 8, a plurality of exhaust holes 9 have been seted up at the front end middle part of lower mould 5, the upper end left part of lower mould 5 is provided with first compression device 10, the upper end.

The main structure of the telescopic device 2 comprises a telescopic power machine 21 and a telescopic rod 22, the telescopic rod 22 is driven to stretch by the telescopic power machine 21, the telescopic rod 22 is fixedly connected to the upper end of the telescopic power machine 21, the upper end of the telescopic rod 22 is fixedly connected with a first connecting rod 23, one end of the first connecting rod 23 is inserted and connected to the middle part of the upper end of the clip box 1, and the telescopic power machine 21 is fixedly installed at the bottom of the inner wall of the clip box 1 to fixedly connect the telescopic device 2 with the clip box 1; the main structure of the first compression device 10 is provided with a first compression plate 101 and a second connecting plate 102, the upper die 7 is pressed tightly by the first compression plate 101, the first compression plate 101 is fixedly arranged at the upper part of the right end of the second connecting plate 102, the lower part of the front end of the second connecting plate 102 is movably connected with a first rotating rod 103, and the left part of the first connecting plate 3 is movably connected with the outer surface of the first rotating rod 103 to movably connect the first compression device 10 and the expansion device 2 together; the main structure of the second compression device 11 is provided with a second compression plate 111 and a third connecting plate 112, the second compression plate 111 is fixedly connected to the upper part of the left end of the third connecting plate 112, the lower part of the front end of the third connecting plate 112 is movably connected with a second rotating rod 113, and the right part of the first connecting plate 3 is movably connected to the outer surface of the second rotating rod 113 to movably connect the second compression device 11 with the expansion device 2; the exhaust hole 9 is communicated with the interior of the die cavity 6; the left portion and the right portion of the lower end of the rectangular box 1 are fixedly connected with a telescopic plate 12, the lower ends of the two groups of telescopic plates 12 are fixedly provided with a telescopic plate power device 13, and the telescopic plates 12 are driven to stretch through the telescopic plate power devices 13.

It should be noted that the present invention relates to an exhaust mechanism for an injection mold, a plastic melt is poured into a mold cavity 6, a large amount of generated gas is exhausted through an exhaust hole 9, a telescopic rod 22 is driven to contract downwards by a telescopic power machine 21, thereby driving a first connecting rod 23 to move downwards, further driving a first connecting plate 3 to move downwards, and then driving a second connecting plate 102 to move downwards, thereby driving a first compression plate 101 to move downwards, thereby clamping a left second fixing plate 8, further clamping an upper mold 7, simultaneously driving a third connecting plate 112 to move downwards, and then driving a second compression plate 111 to move downwards, thereby clamping and fixing the right second fixing plate 8, thereby clamping and fixing the upper mold 7, thereby preventing looseness of the upper mold 7, thereby reducing damage of finished products, further reducing production cost, and driving a telescopic plate 12 to move upwards and downwards by a telescopic plate power machine 13, thereby drive the box 1 of returning the shape and carry out up-and-down reciprocating motion, and then drive lower mould 5 and move to accelerate inside gaseous circulation speed when making the plastic melt in the die cavity 6 carry out the up-and-down motion, thereby with the gaseous discharge in the injection molding, thereby improved the speed of moulding plastics. The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an exhaust mechanism for injection mold, includes time shape case (1), its characterized in that: the middle part of the upper end of the clip box (1) is provided with a telescopic device (2), the telescopic device (2) is fixedly arranged at the bottom of the inner wall of the clip box (1), a first connecting plate (3) is fixedly arranged at the upper end of the telescopic device (2), the left part and the right part of the upper end of the box (1) are fixedly connected with a first fixing plate (4), the upper end of the first fixing plate (4) is fixedly connected with a lower die (5), the upper end of the lower die (5) is provided with a die cavity (6), an upper die (7) is movably connected inside the die cavity (6), the left end and the right end of the upper die (7) are fixedly connected with a second fixing plate (8), a plurality of exhaust holes (9) are arranged in the middle of the front end of the lower die (5), a first compression device (10) is arranged at the left part of the upper end of the lower die (5), and the right part of the upper end of the lower die (5) is connected with a second compression device (11).

2. The exhaust mechanism for an injection mold according to claim 1, wherein: the main structure of the telescopic device (2) is provided with a telescopic power machine (21) and a telescopic rod (22), the telescopic rod (22) is fixedly connected to the upper end of the telescopic power machine (21), the upper end of the telescopic rod (22) is fixedly connected with a first connecting rod (23), one end of the first connecting rod (23) is connected to the middle of the upper end of the clip box (1) in an inserting mode, and the telescopic power machine (21) is fixedly installed at the bottom of the inner wall of the clip box (1) to fixedly connect the telescopic device (2) and the clip box (1).

3. The exhaust mechanism for an injection mold according to claim 1, wherein: the main structure of the first compression device (10) is provided with a first compression plate (101) and a second connecting plate (102), the first compression plate (101) is fixedly installed on the upper portion of the right end of the second connecting plate (102), the lower portion of the front end of the second connecting plate (102) is movably connected with a first rotating rod (103), and the left portion of the first connecting plate (3) is movably connected with the first compression device (10) and the telescopic device (2) through the outer surface of the first rotating rod (103).

4. The exhaust mechanism for an injection mold according to claim 1, wherein: the main structure of second compression device (11) has second compression board (111) and third connecting plate (112), second compression board (111) fixed connection is on the left end upper portion of third connecting plate (112), the front end lower part swing joint of third connecting plate (112) has second bull stick (113), the right part swing joint of first connecting plate (3) is with second compression device (11) and telescoping device (2) swing joint at the surface of second bull stick (113).

5. The exhaust mechanism for an injection mold according to claim 1, wherein: the exhaust hole (9) is communicated with the interior of the die cavity (6).

6. The exhaust mechanism for an injection mold according to claim 1, wherein: the left portion and the right portion of the lower end of the clip box (1) are fixedly connected with a telescopic plate (12), and the lower ends of the two groups of telescopic plates (12) are fixedly provided with a telescopic plate power device (13).

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