CN213919430U

CN213919430U - Hydraulic transmission device of injection molding machine

Info

Publication number: CN213919430U
Application number: CN202022307279.1U
Authority: CN
Inventors: 李建民; 刘玉英; 刘小丽
Original assignee: Qingdao Zhongheyuan Precision Molding Co ltd
Current assignee: Qingdao Zhongheyuan Precision Molding Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-08-10
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a hydraulic transmission device of injection molding machine, including female template and male template, the outside of male template is equipped with the pneumatic cylinder, the output of pneumatic cylinder is equipped with the transfer line, the front end of transfer line and the rear end fixed connection of male template, the inside of female template is equipped with moulds the groove with male template complex, the inside of female template is equipped with and is used for promoting the elastic mechanism that the part after moulding plastics removed, the both sides of moulding the groove are equipped with the pneumatic mechanism who is used for the cooperation to release the part. The utility model discloses it is rational in infrastructure, can promote the inside push rod of second spout and remove, release the fashioned product and mould the die cavity to ventilate to the inside in moulding the die cavity through the air pump, be convenient for after the product after the push rod promotes the shaping removes, blow off the product and mould the die cavity, improve drawing of patterns efficiency.

Description

Hydraulic transmission device of injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field especially relates to a hydraulic transmission of injection molding machine.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine heats the plastic, applies high pressure to the molten plastic, and injects the plastic to fill the mold cavity.

The existing hydraulic injection molding machine is lack of a top die structure when in use, so that a product after injection molding can be stuck on a die inevitably, and the problem that the product is difficult to take out can exist when the product is automatically taken (such as a manipulator for taking materials), and normal production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hydraulic transmission device of an injection molding machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hydraulic transmission of injection molding machine, includes female template and male template, the outside of male template is equipped with the pneumatic cylinder, the output of pneumatic cylinder is equipped with the transfer line, the front end of transfer line and the rear end fixed connection of male template, the inside of female template is equipped with moulds the groove with male template complex, the inside of female template is equipped with and is used for promoting the elastic mechanism that the part after moulding plastics removed, the both sides of moulding the groove are equipped with the pneumatic mechanism who is used for the cooperation to release the part.

Preferably, the elastic mechanism comprises two first sliding chutes symmetrically arranged inside the female die plate, circular grooves are respectively arranged inside the female die plate on one sides of the two first sliding chutes, sliding blocks are connected inside the first sliding chutes in a sliding manner, sliding rods are fixedly connected to one sides of the sliding blocks, the front ends of the sliding rods penetrate through one side wall of the first sliding chutes and extend into the circular grooves, limiting plates are fixedly connected to the front ends of the sliding rods, springs are sleeved on the outer edges of the sliding rods inside the circular grooves, one sides of the limiting plates are elastically connected with the bottom walls of the circular grooves through the springs, two second sliding chutes are symmetrically arranged at the bottom of the die groove, openings for mutual communication are arranged between the second sliding chutes and the first sliding chutes on one side, push rods for pushing parts after injection molding are respectively arranged inside the two second sliding chutes, and connecting rods are respectively fixedly connected to the outer walls of the bottoms of the two sliding rods, the lower ends of the two connecting rods respectively penetrate through the two openings and are respectively fixedly connected with the rear ends of the two push rods.

Preferably, the pneumatic mechanism comprises two round openings symmetrically arranged inside the plastic mold cavity, ventilating pipes are respectively inserted into the two round openings, an air pump is arranged outside the female mold plate, and an air outlet end of the air pump is communicated with the two ventilating pipes.

Preferably, both of the connecting rods are L-shaped.

Preferably, the middle part of the female die plate is provided with an injection channel for filling the interior of the die groove with the raw material.

The utility model has the advantages that:

1. by arranging the elastic mechanism, after the male template is separated from the female template, the limiting plate and the sliding rod are pushed to move through the elasticity of the spring, so that the sliding rod can drive the connecting rod to move, and then the connecting rod can push the push rod in the second sliding groove to move, so that a molded product is pushed out of the mold groove;

2. ventilate to the inside in moulding the mould groove through setting up the air pump, be convenient for promote the product after the shaping at the push rod and remove the back, blow out the product and mould the groove, improve drawing of patterns efficiency.

Drawings

Fig. 1 is a schematic structural view of a hydraulic transmission device of an injection molding machine according to the present invention;

fig. 2 is a schematic diagram of the hydraulic transmission device of the injection molding machine during demolding;

fig. 3 is a side view of the female mold plate of the hydraulic transmission device of the injection molding machine according to the present invention;

fig. 4 is an enlarged view of a structure at a position a of the hydraulic transmission device of the injection molding machine.

In the figure: the device comprises a female die plate 1, a male die plate 2, a transmission rod 3, an injection molding channel 4, a die molding groove 5, a vent pipe 6, a first sliding groove 7, a circular groove 8, a sliding block 9, a sliding rod 10, a limiting plate 11, a spring 12, a second sliding groove 13, a connecting rod 14 and a push rod 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a hydraulic transmission device of an injection molding machine comprises a female mold plate 1 and a male mold plate 2, a hydraulic cylinder is arranged outside the male mold plate 2, a transmission rod 3 is arranged at the output end of the hydraulic cylinder, the front end of the transmission rod 3 is fixedly connected with the rear end of the male mold plate 2, a mold groove 5 matched with the male mold plate 2 is arranged inside the female mold plate 1, an elastic mechanism used for pushing a part after injection molding to move is arranged inside the female mold plate 1, and pneumatic mechanisms used for pushing the part out in a matched mode are arranged on two sides of the mold groove 5.

In the utility model, the elastic mechanism comprises two first chutes 7 symmetrically arranged inside the female die plate 1, the female die plate 1 is internally provided with a circular groove 8 at one side of the two first chutes 7 respectively, the inside of the first chute 7 is connected with a slide block 9 in a sliding way, one side of the slide block 9 is fixedly connected with a slide bar 10, the front end of the slide bar 10 penetrates through one side wall of the first chute 7 and extends to the inside of the circular groove 8, the front end of the slide bar 10 is fixedly connected with a limit plate 11, the outer edge of the slide bar 10 is sleeved with a spring 12 inside the circular groove 8, one side of the limit plate 11 is elastically connected with the bottom wall of the circular groove 8 through the spring 12, the bottom of the die groove 5 is symmetrically provided with two second chutes 13, an opening for mutual communication is arranged between the second chute 13 at one side and the first chute 7 at one side, push rods 15 for pushing the movement of the injection molded parts are arranged inside the two second chutes 13 respectively, the outer walls of the bottoms of the two sliding rods 10 are respectively and fixedly connected with connecting rods 14, the lower ends of the two connecting rods 14 respectively penetrate through the two openings and are respectively and fixedly connected with the rear ends of the two push rods 15, the limiting plates 11 and the sliding rods 10 can be pushed to move through the springs 12 in the circular grooves 8, the sliding rods 10 can drive the connecting rods 14 to move, then the connecting rods 14 can push the push rods 15 in the second sliding grooves 13 to move, and molded products are pushed out of the mold molding grooves 5.

Specifically, pneumatic mechanism sets up in two inside round mouths of mould groove 5 including the symmetry, the inside of two round mouths is inserted respectively and is equipped with breather pipe 6, the outside of die block board 1 is equipped with the air pump, the end of giving vent to anger of air pump is linked together with two breather pipes 6, can ventilate to the inside of moulding groove 5, be convenient for promote the product after the shaping at push rod 15 and remove the back, blow off mould groove 5 with the product, the efficiency of drawing of patterns is improved, the shape of two connecting rods 14 is L shape, the middle part of die block board 1 is equipped with the passageway 4 of moulding plastics that is used for to the inside filling raw materials of moulding groove 5.

The utility model discloses during the use, set up female die plate 1 and male die plate 2 in suitable position, then in the needs drawing of patterns, it removes to drive transfer line 3 through the pneumatic cylinder, break away from male die plate 2 and female die plate 1, spring 12 in the circular slot 8 will promote limiting plate 11 and slide bar 10 and remove afterwards, make slide bar 10 can drive connecting rod 14 and remove, connecting rod 14 will promote the inside push rod 15 removal of second spout 13 afterwards, release fashioned product and mould die slot 5, then restart the air pump, ventilate to the inside of moulding die slot 5, be convenient for remove the back at the product after push rod 15 promotion shaping, blow off the product and mould die slot 5, improve drawing of patterns efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic transmission of injection molding machine, includes female template (1) and public template (2), its characterized in that, the outside of public template (2) is equipped with the pneumatic cylinder, the output of pneumatic cylinder is equipped with transfer line (3), the front end of transfer line (3) and the rear end fixed connection of public template (2), the inside of female template (1) is equipped with moulds die cavity (5) with public template (2) complex, the inside of female template (1) is equipped with and is used for promoting the elastic mechanism who moulds plastics the part removal after, mould the both sides of die cavity (5) and be equipped with the pneumatic mechanism that is used for the cooperation to release the part.

2. The hydraulic transmission device of an injection molding machine according to claim 1, wherein the elastic mechanism comprises two first sliding grooves (7) symmetrically arranged inside the female mold plate (1), circular grooves (8) are respectively arranged inside the female mold plate (1) on one sides of the two first sliding grooves (7), a sliding block (9) is connected inside the first sliding groove (7) in a sliding manner, a sliding rod (10) is fixedly connected on one side of the sliding block (9), the front end of the sliding rod (10) penetrates through one side wall of the first sliding groove (7) and extends into the circular groove (8), a limiting plate (11) is fixedly connected on the front end of the sliding rod (10), a spring (12) is sleeved on the outer edge of the sliding rod (10) inside the circular groove (8), one side of the limiting plate (11) is elastically connected with the bottom wall of the circular groove (8) through the spring (12), mould the bottom symmetry of die cavity (5) and be equipped with two second spout (13), one side be equipped with the opening that is used for intercommunication each other between second spout (13) and one side first spout (7), two the inside of second spout (13) is equipped with push rod (15) that are used for promoting the part after moulding plastics and remove respectively, two the bottom outer wall of slide bar (10) is fixedly connected with connecting rod (14), two respectively the lower extreme of connecting rod (14) run through two openings respectively and respectively with the rear end fixed connection of two push rods (15).

3. The hydraulic transmission device of an injection molding machine according to claim 1, wherein the pneumatic mechanism comprises two round openings symmetrically arranged inside the molding cavity (5), vent pipes (6) are respectively inserted inside the two round openings, an air pump is arranged outside the female mold plate (1), and an air outlet end of the air pump is communicated with the two vent pipes (6).

4. The hydraulic transmission device of an injection molding machine according to claim 2, wherein both of the connecting rods (14) are L-shaped.

5. The hydraulic transmission apparatus of an injection molding machine according to claim 1, wherein the female mold plate (1) is provided at a middle portion thereof with an injection passage (4) for filling the inside of the mold groove (5) with the material.