CN112026113A

CN112026113A - A injection moulding device for PET bottle base production be convenient for ejection of compact

Info

Publication number: CN112026113A
Application number: CN202010883995.6A
Authority: CN
Inventors: 吕涛
Original assignee: Hengyang Zhonghao Plastic Products Co ltd
Current assignee: Hengyang Zhonghao Plastic Products Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-12-04

Abstract

The invention discloses an injection molding device which is used for producing PET bottle blanks and is convenient to discharge, and the injection molding device comprises a host device used for injection molding of the PET bottle blanks and also comprises a female die device used for forming the outer surface of the PET bottle blanks, wherein a male die device used for forming the inner surface of the PET bottle blanks is arranged on one side of the female die device, and a middle die device used for forming the mouth parts of the PET bottle blanks is arranged on one side of the male die device. According to the invention, through the movable arrangement of the middle mold device, the PET bottle blank can be conveniently pushed and pulled out, the convenience of discharging is increased, through the three-section type modular arrangement, the PET bottle blank can be conveniently dismounted, repaired and replaced according to the requirements of manufacturing different PET bottle blanks, and through the arrangement of the plurality of cylinders, pneumatic operation is utilized, so that time and labor are saved.

Description

A injection moulding device for PET bottle base production be convenient for ejection of compact

Technical Field

The invention relates to the technical field of PET bottle blank production, in particular to an injection molding device which is used for PET bottle blank production and is convenient to discharge.

Background

PET is a milky white or yellowish highly crystalline polymer with a smooth and glossy surface. Creep resistance, fatigue resistance, friction resistance and dimensional stability are good, abrasion is small, hardness is high, and toughness of thermoplastic plastics is the largest, so that the PET bottle blank is generally produced by injection molding.

However, in the prior art, the injection molding of PET bottle blank production adopts two half-type moulds, and the ejection of compact still needs to be taken off manually, causes: 1. the convenience of discharging is reduced; 2. the PET bottle blank can not be disassembled, repaired and replaced according to the requirements of manufacturing different PET bottle blanks; 3. the manual discharging operation wastes time and labor.

Disclosure of Invention

The invention aims to solve the problems and provide an injection molding device which is used for producing PET bottle blanks and is convenient to discharge.

The invention realizes the purpose through the following technical scheme:

an injection molding device convenient for discharging for PET bottle blank production comprises a host device for PET bottle blank injection molding and a female die device for PET bottle blank outer surface molding, wherein a male die device for PET bottle blank inner surface molding is arranged on one side of the female die device, and a middle die device for PET bottle blank mouth molding is arranged on one side of the male die device; the female die device comprises a bottom plate, a female die box is arranged on one side of the bottom plate, 4 first guide holes are uniformly distributed at four corners of the female die box, a plurality of female die cavities are uniformly distributed among the first guide holes, injection molding holes are formed in the female die cavities, and 4U-shaped grooves are uniformly distributed at four corners of the bottom plate; the male die device comprises a male die plate, wherein 4 first air cylinders are uniformly distributed at four corners of one side of the male die plate, 4 guide pillars are uniformly distributed at four corners of one side of the male die plate, which is far away from the first air cylinders, a plurality of male die columns are uniformly distributed among the guide pillars, a sealing section is arranged at one side of each male die column, and 2 first avoidance grooves are symmetrically arranged at one side of the male die plate up and down; the middle die device comprises a middle die plate, wherein 4 second guide holes are uniformly distributed at four corners of the middle die plate, a plurality of middle die cavities are uniformly distributed among the second guide holes, a second avoiding groove is formed in one side of each middle die cavity, 2 connecting seats are symmetrically arranged on one side of the middle die plate, and a second air cylinder is installed on one side of each connecting seat.

Preferably: the host computer device comprises a host computer body, a collecting tank is arranged on the host computer body, a supporting seat is arranged on one side of the collecting tank, a discharging channel is arranged below the collecting tank, 2T-shaped grooves are symmetrically arranged on the upper portion of the host computer body, a plurality of injection molding heads are uniformly distributed among the T-shaped grooves, 4 clamping plates are uniformly distributed on the host computer body, and a first transparent cover is arranged outside the clamping plates.

So set up, the host computer body passes through the head of moulding plastics carries out the operation of moulding plastics, through T type groove with the die device is connected, the supporting seat is used for fixing first cylinder, the collecting vat assembles fashioned PET bottle base and passes through the discharge way is discharged, first translucent cover passes through the cardboard is fixed on the host computer body.

Preferably: the host computer device comprises a host computer body, a collecting tank is arranged on the host computer body, a supporting seat is arranged on one side of the collecting tank, a discharging channel is arranged below the collecting tank, 2T-shaped grooves are symmetrically arranged on the upper portion of the host computer body, a plurality of injection molding heads are uniformly distributed among the T-shaped grooves, 2 sliding grooves are symmetrically arranged on the front portion and the rear portion of the host computer body, and a second transparent cover is arranged in each sliding groove.

So set up, the host computer body passes through the head of moulding plastics carries out the operation of moulding plastics, through T type groove with the die device is connected, the supporting seat is used for fixing first cylinder, the collecting vat assembles fashioned PET bottle base and passes through the discharge way is discharged, the second translucent cover is followed the spout slides open and shut on the host computer body.

Preferably: the female die box and the bottom plate are integrally formed, and the bottom plate is connected with the host device through bolts.

So set up, integrated into one piece has guaranteed the die case with firm that the bottom plate is connected, bolted connection is convenient for the dismouting the bottom plate.

Preferably: the first cylinder is respectively connected with the host device and the convex template through bolts, and the guide pillar and the convex pillar are respectively welded with the convex template.

So set up, bolted connection is convenient for the dismouting first cylinder maintains, and the welding has guaranteed the guide pillar with the terrace die post is firm reliable.

Preferably: the sealing section and the male die column are integrally formed, and the sealing section and the middle die plate are in transition fit.

So set up, integrated into one piece has guaranteed the airtight section is wear-resisting durable, and transition fit has guaranteed the nimble removal of airtight section.

Preferably: the middle template is connected with the guide post in a sliding mode, and the connecting seat is welded with the middle template.

With the arrangement, the sliding connection ensures the flexible movement of the middle template, and the welding ensures that the connecting seat is firm and firm.

Preferably: the second air cylinder is respectively connected with the convex template and the connecting seat through bolts.

So set up, bolted connection is convenient for the dismouting the second cylinder is maintained.

Preferably: the collecting tank is communicated with the discharging channel, the supporting seat and the clamping plate are respectively connected with the main machine body through bolts, and the first transparent cover is connected with the clamping plate in a plugging and pulling mode.

So set up, communicate with each other and guaranteed the smooth discharge of PET bottle base, bolted connection is convenient for the dismouting change the supporting seat with the cardboard, the plug connection is convenient for the dismouting first translucent cover.

Preferably: the collecting groove is communicated with the discharging channel, the supporting seat is connected with the main machine body through a bolt, and the second transparent cover is connected with the main machine body in a sliding mode.

So set up, communicate with each other and guaranteed the smooth discharge of PET bottle base, bolted connection is convenient for the dismouting change the supporting seat, sliding connection is convenient for open and shut the second translucent cover.

Compared with the prior art, the invention has the following beneficial effects:

1. through the movable arrangement of the middle mold device, the PET bottle blank is convenient to push and pull out, and the convenience of discharging is improved;

2. through the three-section type modular arrangement, the PET bottle blank is convenient to disassemble, assemble, maintain and replace according to the requirements of manufacturing different PET bottle blanks;

3. through the setting of a plurality of cylinders, utilize pneumatic operation, labour saving and time saving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an injection molding apparatus for PET bottle preform production for facilitating discharging according to the present invention;

FIG. 2 is a front isometric view of a female mold device of an injection molding device for PET bottle preform production that facilitates discharge according to the present invention;

FIG. 3 is a rear isometric view of a female die assembly of an injection molding apparatus for the production of PET bottle preforms that facilitates the ejection of material;

FIG. 4 is a front isometric view of a middle mold assembly of the easy-to-discharge injection molding apparatus for PET bottle preform production in accordance with the present invention;

FIG. 5 is a rear isometric view of a middle mold assembly of the easy-to-discharge injection molding apparatus for PET bottle preform production in accordance with the present invention;

FIG. 6 is a front isometric view of a male die assembly of an easy-to-discharge injection molding apparatus for the production of PET bottle preforms in accordance with the present invention;

FIG. 7 is a schematic view of a main machine of an injection molding apparatus for PET bottle preform production according to embodiment 1;

FIG. 8 is a schematic diagram of a main machine of an injection molding device for producing PET bottle blanks, which is convenient for discharging in the embodiment 2.

The reference numerals are explained below:

1. a host device; 101. a main body; 102. a supporting seat; 103. collecting tank; 104. a discharging channel; 105. a T-shaped groove; 106. an injection head; 107. a first transparent cover; 108. clamping a plate; 109. a chute; 110. a second transparent cover; 2. a female die device; 201. a base plate; 202. a cavity die box; 203. a cavity; 204. a first guide hole; 205. a U-shaped groove; 206. injection molding holes; 3. a middle mold device; 301. a middle template; 302. a second guide hole; 303. a second cylinder; 304. a middle die cavity; 305. a connecting seat; 306. a second avoidance slot; 4. a male die device; 401. a convex template; 402. a first cylinder; 403. a first avoidance slot; 404. a guide post; 405. a male mold pillar; 406. and (4) a sealed section.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

The invention will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-7, an injection molding device for producing PET bottle preforms and facilitating discharging comprises a host device 1 for injection molding of PET bottle preforms and a female die device 2 for molding the outer surface of the PET bottle preforms, wherein a male die device 4 for molding the inner surface of the PET bottle preforms is arranged on one side of the female die device 2, and a middle die device 3 for molding the mouth of the PET bottle preforms is arranged on one side of the male die device 4; the female die device 2 comprises a bottom plate 201, a female die box 202 is arranged on one side of the bottom plate 201, 4 first guide holes 204 are uniformly distributed at four corners of the female die box 202, a plurality of female die cavities 203 are uniformly distributed among the first guide holes 204, injection molding holes 206 are arranged in the female die cavities 203, and 4U-shaped grooves 205 are uniformly distributed at four corners of the bottom plate 201; the male die device 4 comprises a male die plate 401, 4 first cylinders 402 are uniformly distributed at four corners of one side of the male die plate 401, 4 guide pillars 404 are uniformly distributed at four corners of one side of the male die plate 401, which is far away from the first cylinders 402, a plurality of male die pillars 405 are uniformly distributed among the guide pillars 404, a sealing section 406 is arranged at one side of each male die pillar 405, and 2 first avoidance grooves 403 are symmetrically arranged at the upper and lower parts of one side of the male die plate 401; middle mould device 3 includes well template 301, and well template 301 four corners evenly distributed has 4 second guide holes 302, and evenly distributed has a plurality of well die cavities 304 between the second guide hole 302, and well die cavity 304 one side is provided with the second and dodges groove 306, and well template 301 one side symmetry is provided with 2 connecting seats 305, and second cylinder 303 is installed to connecting seat 305 one side.

Preferably: the host device 1 comprises a host body 101, a collecting groove 103 is arranged on the host body 101, a supporting seat 102 is arranged on one side of the collecting groove 103, a discharging channel 104 is arranged below the collecting groove 103, 2T-shaped grooves 105 are symmetrically arranged on the upper portion of the host body 101, a plurality of injection molding heads 106 are uniformly distributed among the T-shaped grooves 105, 4 clamping plates 108 are uniformly distributed on the host body 101, and a first transparent cover 107 is arranged outside the clamping plates 108; the cavity case 202 and the bottom plate 201 are integrally formed, and the bottom plate 201 is connected with the host device 1 through bolts; the first air cylinder 402 is respectively connected with the host device 1 and the convex template 401 through bolts, and the guide pillar 404 and the convex pillar 405 are respectively welded with the convex template 401; the sealing section 406 and the male mold column 405 are integrally formed, and the sealing section 406 is in transition fit with the middle mold plate 301; the middle template 301 is connected with the guide posts 404 in a sliding way, and the connecting seat 305 and the middle template 301 are welded together; the second air cylinder 303 is respectively connected with the convex template 401 and the connecting seat 305 through bolts; the collecting groove 103 is communicated with the discharging channel 104, the supporting seat 102 and the clamping plate 108 are respectively connected with the main body 101 through bolts, and the first transparent cover 107 is connected with the clamping plate 108 in a plugging and unplugging manner.

Example 2

As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the host device 1 comprises a host body 101, a collecting groove 103 is arranged on the host body 101, a supporting seat 102 is arranged on one side of the collecting groove 103, a discharging channel 104 is arranged below the collecting groove 103, 2T-shaped grooves 105 are symmetrically arranged on the upper portion of the host body 101, a plurality of injection molding heads 106 are uniformly distributed among the T-shaped

grooves

105, 2 sliding grooves 109 are symmetrically arranged in the front and back of the host body 101, and a second transparent cover 110 is arranged in the sliding grooves 109; the collecting groove 103 is communicated with the discharging channel 104, the supporting seat 102 is connected with the main machine body 101 through bolts, and the second transparent cover 110 is connected with the main machine body 101 in a sliding mode.

The working principle is as follows: the injection head 106 is inserted into the injection hole 206, the bottom plate 201 is fixedly connected with the main machine body 101 through bolts, the first air cylinder 402 pushes the male die plate 401 to move towards the female die box 202 under the support of the support base 102, the guide post 404 sequentially passes through the second guide hole 302 and the first guide hole 204, the male die column 405 is guided to pass through the middle die cavity 304 to be inserted into the female die cavity 203, the main machine body 101 performs injection molding towards the female die cavity 203 and the middle die cavity 304 through the injection head 106 to form the PET bottle blank, after cooling, the PET bottle blank is shrunk and fastened on the male die column 405, the first air cylinder 402 retracts to drive the PET bottle blank to be drawn out of the female die box 202, the second air cylinder 303 pushes the middle die plate 301 outwards under the support of the male die plate 401 to push the PET bottle blank down from the male die column 405, the PET bottle blank falls into the male die collecting tank 103.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides an injection moulding device for PET bottle base production's ejection of compact of being convenient for, is including being used for host computer device (1) that PET bottle base was moulded plastics, its characterized in that: the PET bottle blank mouth forming die is characterized by further comprising a female die device (2) for forming the outer surface of the PET bottle blank, wherein a male die device (4) for forming the inner surface of the PET bottle blank is arranged on one side of the female die device (2), and a middle die device (3) for forming the mouth of the PET bottle blank is arranged on one side of the male die device (4);

the female die device (2) comprises a bottom plate (201), a female die box (202) is arranged on one side of the bottom plate (201), 4 first guide holes (204) are uniformly distributed at four corners of the female die box (202), a plurality of female die cavities (203) are uniformly distributed among the first guide holes (204), injection molding holes (206) are formed in the female die cavities (203), and 4U-shaped grooves (205) are uniformly distributed at four corners of the bottom plate (201);

the male die device (4) comprises a male die plate (401), 4 first air cylinders (402) are uniformly distributed at four corners of one side of the male die plate (401), 4 guide pillars (404) are uniformly distributed at four corners of one side, far away from the first air cylinders (402), of the male die plate (401), a plurality of male die columns (405) are uniformly distributed among the guide pillars (404), a closed section (406) is arranged at one side of each male die column (405), and 2 first avoiding grooves (403) are symmetrically arranged at one side of the male die plate (401) up and down;

well mould device (3) include well template (301), well template (301) four corners evenly distributed has 4 second guide holes (302), evenly distributed has a plurality of well die cavities (304) between second guide hole (302), well die cavity (304) one side is provided with the second and dodges groove (306), well template (301) one side symmetry is provided with 2 connecting seats (305), second cylinder (303) are installed to connecting seat (305) one side.

2. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: host computer device (1) includes the host computer body (101), be provided with collecting vat (103) above the host computer body (101), collecting vat (103) one side is provided with supporting seat (102), collecting vat (103) below is provided with out material way (104), host computer body (101) upper portion symmetry is provided with 2T type grooves (105), evenly distributed has a plurality of heads (106) of moulding plastics between T type groove (105), evenly distributed has 4 cardboard (108) above the host computer body (101), install first translucent cover (107) outward cardboard (108).

3. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: host computer device (1) includes the host computer body (101), be provided with collecting vat (103) above the host computer body (101), collecting vat (103) one side is provided with supporting seat (102), collecting vat (103) below is provided with out material way (104), host computer body (101) upper portion symmetry is provided with 2T type grooves (105), evenly distributed has a plurality of heads (106) of moulding plastics between T type groove (105), the symmetry is provided with 2 spout (109) around the host computer body (101), install second translucent cover (110) in spout (109).

4. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: the female die box (202) and the bottom plate (201) are integrally formed, and the bottom plate (201) is connected with the host device (1) through bolts.

5. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: the first air cylinder (402) is respectively connected with the main machine device (1) and the convex die plate (401) through bolts, and the guide pillar (404) and the convex die column (405) are respectively welded with the convex die plate (401).

6. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: the closed section (406) and the male mold column (405) are integrally formed, and the closed section (406) is in transition fit with the middle mold plate (301).

7. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: the middle template (301) is connected with the guide posts (404) in a sliding mode, and the connecting seat (305) and the middle template (301) are welded together.

8. The injection molding device for PET bottle blank production convenient for discharging according to claim 1, characterized in that: the second air cylinder (303) is respectively in bolt connection with the convex template (401) and the connecting seat (305).

9. The injection molding device for PET bottle blank production convenient for discharging as claimed in claim 2, wherein: the collecting groove (103) is communicated with the discharging channel (104), the supporting seat (102) and the clamping plate (108) are respectively connected with the main machine body (101) through bolts, and the first transparent cover (107) is connected with the clamping plate (108) in a plugging and pulling mode.

10. The injection molding device for PET bottle blank production convenient for discharging as claimed in claim 3, wherein: the collecting groove (103) is communicated with the discharging channel (104), the supporting seat (102) is connected with the main machine body (101) through bolts, and the second transparent cover (110) is connected with the main machine body (101) in a sliding mode.