CN217319045U

CN217319045U - Injection mold with ejection assembly

Info

Publication number: CN217319045U
Application number: CN202220332541.4U
Authority: CN
Inventors: 江卫雄
Original assignee: Hangzhou Hebei Mould Co ltd
Current assignee: Hangzhou Hebei Mould Co ltd
Priority date: 2022-02-19
Filing date: 2022-02-19
Publication date: 2022-08-30
Anticipated expiration: 2032-02-19

Abstract

The utility model discloses an injection mold with an ejection assembly, which comprises a first baffle, a second baffle, a first rolling shaft, a second rolling shaft, a fixed plate, a first connecting pin shaft, a second connecting pin shaft, a third connecting pin shaft, a guide screw rod and a fixing screw, wherein the fixed plate is connected with an ejection die holder through the fixing screw, thereby being convenient for fixing the fixed plate, when demoulding, the first roller is pressed by the movable mould base to move towards the fixed mould base, so that the second roller moves towards the movable mould base, thereby being convenient for supporting the movable mould base through the second roller, because set up first roller bearing and second roller bearing into cylindrically to make first roller bearing and second roller bearing and die holder and movable mould seat contact surface be the arcwall face, the effectual damage of avoiding the die holder.

Description

Injection mold with ejection assembly

Technical Field

The utility model relates to an injection mold correlation technique field specifically is an injection mold with ejecting subassembly.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used when producing some parts with complicated shapes in batch, and particularly relates to a method for injecting heated and melted plastics into a mold cavity at high pressure by an injection molding machine, obtaining a molded product after cooling and solidification, wherein the injection mold consists of a movable mold and a fixed mold, the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, the movable mold and the fixed mold are separated to take out the plastic products during mold opening, and in order to reduce heavy mold design and manufacturing workload, the injection mold mostly adopts a standard mold frame;

due to the design characteristics of the ejection assembly for the injection mold in the prior art, the ejection mechanism is easy to damage the contact part of the mold in the actual use process, so that various use requirements of the ejection assembly for the injection mold at present cannot be met;

to this end, we propose an injection mold with an ejection assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold with ejecting subassembly aims at improving the injection mold among the prior art and uses ejecting subassembly because the design characteristics of its own, in the use of reality, easily causes ejection mechanism to cause the problem of damage to die holder contact part.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an injection mold with ejection assembly, includes first baffle, with the relative second baffle that sets up of first baffle, setting are in the first roller bearing of first baffle and second baffle one end, setting are in the second roller bearing of first baffle and second baffle other end, setting are in the fixed plate of first baffle and second baffle middle part position, be used for the first connecting pin axle that is connected first roller bearing and first baffle and second baffle, be used for the second connecting pin axle that is connected second roller bearing and first baffle and second baffle, be used for the third connecting pin axle that is connected fixed plate and first baffle and second baffle, setting are in guiding screw on the fixed plate and be used for carrying out the set screw fixed with the fixed plate, set screw runs through in the fixed plate and is connected with the cover half seat.

As a preferable aspect of the present invention, the first roller and the second roller are provided in a cylindrical shape, and the outer peripheries of the first roller and the second roller are provided in a smooth arc surface.

As a preferred aspect of the present invention, set up respectively on first baffle and the second baffle with the round pin shaft hole of first connecting pin axle, second connecting pin axle and third connecting pin axle looks adaptation, and first connecting pin axle, second connecting pin axle and third connecting pin axle respectively with round pin shaft hole fixed connection.

As a preferred aspect of the present invention, the first roller is rotatably connected to the first connecting pin, the second roller is rotatably connected to the second connecting pin, and the fixing plate is rotatably connected to the third connecting pin.

As a preferred aspect of the present invention, the first baffle and the second baffle respectively include a first plate body and a second plate body, and an included angle of 15 ° to 30 ° is provided between the second plate body and the first plate body.

As a preferred aspect of the present invention, the guide screw rod is fixedly connected to the fixing plate, and the guide screw rod is configured as a polish rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of reasonable in design and easy operation, the utility model relates to an injection mold with ejecting subassembly is convenient for be connected fixed plate and top die holder through set screw, thereby be convenient for fix the fixed plate, when the drawing of patterns, first roller bearing receives the pressure effect of movable die holder and the direction removal toward the fixed die holder, make the direction removal of second roller bearing toward the movable die holder, and then be convenient for support movable die holder through the second roller bearing, owing to set up first roller bearing and second roller bearing into cylindrically, thereby make first roller bearing and second roller bearing and fixed die holder and movable die holder contact surface be the arcwall face, the effectual damage to the die holder of having avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a partial exploded view of the overall structure of an injection mold with an ejection assembly according to the present invention;

FIG. 2 is a schematic structural diagram of the overall structure of the injection mold with the ejection assembly of the present invention;

fig. 3 is a schematic structural view of the front view of fig. 2 in the injection mold with the ejection assembly of the present invention;

fig. 4 is a schematic structural diagram of the ejection assembly in the injection mold with the ejection assembly according to the present invention at the time of operation.

In the figure: 11-a first baffle plate, 12-a second baffle plate, 21-a first rolling shaft, 22-a second rolling shaft, 3-a fixing plate, 31-a step groove, 4-a fixing screw, 5-a guide screw, 61-a first plate body, 62-a second plate body, 71-a first connecting pin shaft, 72-a second connecting pin shaft and 73-a third connecting pin shaft.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: an injection mold with an ejection assembly comprises a first baffle plate 11, a second baffle plate 12 arranged opposite to the first baffle plate 11, a first rolling shaft 21 arranged at one end of the first baffle plate 11 and the second baffle plate 12, a second rolling shaft 23 arranged at the other end of the first baffle plate 11 and the second baffle plate 12, a fixing plate 3 arranged at the middle position of the first baffle plate 11 and the second baffle plate 12, a first connecting pin shaft 71 used for connecting the first rolling shaft 21 with the first baffle plate 11 and the second baffle plate 12, a second connecting pin shaft 72 used for connecting the second rolling shaft 23 with the first baffle plate 11 and the second baffle plate 12, a third connecting pin shaft 73 used for connecting the fixing plate 3 with the first baffle plate 11 and the second baffle plate 12, a guide screw rod 5 arranged on the fixing plate 3 and a fixing screw 4 used for fixing the fixing plate 3, wherein the fixing screw 4 penetrates through the fixing plate 3 to be connected with a fixed mold base, the utility model discloses in, be convenient for be connected fixed plate 3 with the top die holder through set screw 4, thereby be convenient for fix fixed plate 3, when the drawing of patterns, first roller bearing 21 receives the pressure effect of movable die holder and the direction removal toward the fixed die holder, make the direction removal of second roller bearing 23 toward the movable die holder, and then be convenient for support the movable die holder through second roller bearing 23, owing to set up first roller bearing 21 and second roller bearing 23 into cylindrically, thereby make first roller bearing 21 and second roller bearing 23 and fixed die holder and movable die holder contact surface be the arcwall face, the effectual damage to the die holder of having avoided.

Referring to fig. 1, 2, 3 and 4, the first roller 21 and the second roller 23 are cylindrical, and the peripheries of the first roller 21 and the second roller 23 are smooth arc surfaces, so that the contact surfaces of the first roller 21 and the second roller 23 with the fixed die holder and the movable die holder are arc surfaces, and the die holder is effectively prevented from being damaged.

Referring to fig. 1, 2, 3 and 4, pin shaft holes respectively matched with the first connecting pin shaft 71, the second connecting pin shaft 72 and the third connecting pin shaft 73 are formed in the first baffle plate 11 and the second baffle plate 12, and the first connecting pin shaft 71, the second connecting pin shaft 72 and the third connecting pin shaft 73 are respectively fixedly connected with the pin shaft holes, so that the stability of the first connecting pin shaft 71, the second connecting pin shaft 72 and the third connecting pin shaft 73 being respectively connected with the first baffle plate 11 and the second baffle plate 12 is effectively ensured.

Referring to fig. 1, 2, 3 and 4, the first roller 21 is rotatably connected to the first connecting pin 71, the second roller 23 is rotatably connected to the second connecting pin 72, and the fixed plate 3 is rotatably connected to the third connecting pin 73, so that the first baffle 11 and the second baffle 12 rotate around the third connecting pin 73, and further move towards the fixed mold base under the pressure of the movable mold base by the first roller 21, so that the second roller 23 moves towards the movable mold base, and further support the movable mold base by the second roller 23.

Referring to fig. 1, 2, 3 and 4, the first baffle 11 and the second baffle 12 respectively include a first plate 61 and a second plate 62, and an included angle of 15-30 degrees is formed between the second plate 62 and the first plate 61, so that the rigidity of the first baffle 11 and the second baffle 12 is effectively ensured, and the stability of the first baffle 11 and the second baffle 12 for supporting the fixed die holder and the movable die holder respectively is effectively ensured.

Referring to fig. 1, 2, 3 and 4, the guide screw 5 is fixedly connected to the fixing plate 3, and the guide screw 5 is a polished rod, so that the fixing plate 3 can be guided by the guide screw 5 in the installation direction, and the fixing plate 3 can be quickly installed.

The working principle is as follows: when using, be connected fixed plate 3 with the top die holder through set screw 4 to be convenient for fix fixed plate 3, when the drawing of patterns, first roller 21 receives the pressure effect of movable die holder and the direction removal toward the fixed die holder, makes the direction removal toward the movable die holder of second roller 23, and first roller 21 and second roller 23 carry out the stability that supports to fixed die holder and movable die holder respectively.

The device obtained by the design can basically solve the problem that the ejection assembly for the injection mold in the prior art is easy to damage the contact part of the mold by the ejection mechanism in the actual use process due to the design characteristics of the ejection assembly, but the designer further improves the device by further improving the function of the ejection assembly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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 an injection mold with ejection assembly which characterized in that: the fixing device comprises a first baffle (11), a second baffle (12) arranged opposite to the first baffle (11), a first rolling shaft (21) arranged at one end of the first baffle (11) and the second baffle (12), a second rolling shaft (23) arranged at the other end of the first baffle (11) and the second baffle (12), a fixing plate (3) arranged at the middle positions of the first baffle (11) and the second baffle (12), a first connecting pin shaft (71) used for connecting the first rolling shaft (21) with the first baffle (11) and the second baffle (12), a second connecting pin shaft (72) used for connecting the second rolling shaft (23) with the first baffle (11) and the second baffle (12), a third connecting pin shaft (73) used for connecting the fixing plate (3) with the first baffle (11) and the second baffle (12), a guide screw (5) arranged on the fixing plate (3) and a fixing screw (4) used for fixing the fixing plate (3) ) The fixing screw (4) penetrates through the fixing plate (3) and is connected with the fixed die holder.

2. An injection mold with an ejection assembly according to claim 1, characterized in that the first roller (21) and the second roller (23) are provided in a cylindrical shape, and the outer peripheries of the first roller (21) and the second roller (23) are provided in a smooth circular arc surface.

3. The injection mold with the ejection assembly as claimed in claim 2, wherein the first baffle plate (11) and the second baffle plate (12) are respectively provided with pin shaft holes adapted to the first connecting pin shaft (71), the second connecting pin shaft (72) and the third connecting pin shaft (73), and the first connecting pin shaft (71), the second connecting pin shaft (72) and the third connecting pin shaft (73) are respectively fixedly connected to the pin shaft holes.

4. An injection mould with an ejection assembly according to claim 3, characterised in that said first roller (21) is rotatably connected to said first connection pin (71), said second roller (23) is rotatably connected to said second connection pin (72), and said fixed plate (3) is rotatably connected to said third connection pin (73).

5. An injection mold with an ejection assembly according to claim 4, characterized in that the first baffle plate (11) and the second baffle plate (12) are respectively composed of a first plate body (61) and a second plate body (62), and an included angle of 15-30 ° is formed between the second plate body (62) and the first plate body (61).

6. An injection mould with an ejector assembly according to claim 5, characterised in that the lead screw (5) is fixedly connected with the fixed plate (3) and the lead screw (5) is provided as a polished rod.