阅读说明：本技术 一种瓶坯模冷却板 (bottle blank mold cooling plate ) 是由 史克涛 王巍植 符余朝 沈吉 徐金鑫 顾宗将 肖村 周凯 于 2019-07-23 设计创作，主要内容包括：本发明涉及一种瓶坯模冷却板,包括板体,所述板体的表面开设有用于安装瓶坯模的安装槽,所述板体沿其厚度方向上由上往下依次设置有上冷却流道系统和下冷却流道系统,所述上冷却流道系统和下冷却流道系统用于通冷却介质分别对瓶坯模的主体部分以及底座部分进行冷却；所述上冷却流道系统和下冷却流道系统沿板体的宽度方向均分为流进段和流出段,冷却介质进入流进段沿S型路径正向流动,流动至流出段后沿S型路径反向流出；本发明解决了瓶坯模底部部分的冷却效果差,成型的瓶坯底部容易出现缩水以及冷却水流速慢,冷却效率低的问题。(The invention relates to a bottle blank mold cooling plate, which comprises a plate body, wherein the surface of the plate body is provided with a mounting groove for mounting a bottle blank mold, the plate body is sequentially provided with an upper cooling runner system and a lower cooling runner system from top to bottom along the thickness direction of the plate body, and the upper cooling runner system and the lower cooling runner system are used for introducing cooling media to respectively cool a main body part and a base part of the bottle blank mold; the upper cooling flow channel system and the lower cooling flow channel system are divided into an inflow section and an outflow section along the width direction of the plate body, a cooling medium enters the inflow section and flows along the S-shaped path in the forward direction, and flows to the outflow section and then flows out along the S-shaped path in the reverse direction; the invention solves the problems that the cooling effect of the bottom part of the bottle blank mold is poor, the bottom of the molded bottle blank is easy to shrink, the cooling water flow rate is low and the cooling efficiency is low.)

1. The utility model provides a bottle base mould cooling plate, includes plate body (1), mounting groove (11) that are used for installing bottle base mould (2) are offered to the surface of plate body (1), its characterized in that: the plate body (1) is sequentially provided with an upper cooling runner system (3) and a lower cooling runner system (4) from top to bottom in the thickness direction, and the upper cooling runner system (3) and the lower cooling runner system (4) are used for introducing cooling media to respectively cool a main body part (21) and a base part (22) of the bottle blank mold (2); the upper cooling flow channel system (3) and the lower cooling flow channel system (4) are equally divided into an inflow section (31) and an outflow section (32) along the width direction of the plate body (1), a cooling medium enters the inflow section (31) and flows along the forward direction of the S-shaped path, and flows to the outflow section (32) and then flows out along the reverse direction of the S-shaped path.

2. the cooling plate for bottle blank molds as claimed in claim 1, wherein the side surface of the plate body (1) is opened with a main water inlet channel (5) and a main water outlet channel (6) along the width direction thereof, the main water inlet channel (5) is communicated with the head ends of the upper cooling flow channel system (3) and the lower cooling flow channel system (4), and the main water outlet channel (6) is communicated with the tail ends of the upper cooling flow channel system (3) and the lower cooling flow channel system (4).

3. The bottle parison mold cooling plate as claimed in claim 2, wherein the plate body (1) is further provided therein with a water inlet sub-channel a (51) and a water inlet sub-channel b (52) which are communicated with the main water inlet channel (5), and the main water inlet channel (5) is respectively communicated with the head ends of the upper cooling channel system (3) and the lower cooling channel system (4) through the water inlet sub-channel a (51) and the water inlet sub-channel b (52);

The plate body (1) is also internally provided with a water outlet runner a (61) and a water outlet runner b (62) which are communicated with the main water outlet runner (6), and the main water outlet runner (6) is respectively communicated with the tail ends of the upper cooling runner system (3) and the lower cooling runner system (4) through the water outlet runner a (61) and the water outlet runner b (62).

4. The preform mold cooling plate as claimed in claim 1, wherein the inflow section (31) and the outflow section (32) each comprise a shunt tube a (311) and a shunt tube b (312) arranged along the length direction of the plate body (1), and a plurality of branch tubes (313) are connected between the shunt tubes a (311) and the shunt tubes b (312);

The shunt tubes a (311) of the inflow section (31) are communicated with the shunt tubes a (311) of the outflow section (32) through a plurality of connecting tubes (314).

5. The preform mold cooling plate as claimed in claim 4, wherein the branch pipes a (311) of the inflow section (31) and the outflow section (32) start from positions close to the main water inlet channel (5) and the main water outlet channel (6), and a plug a (315) is arranged between the sixth and seventh branch pipes (313); the branch pipes b (312) of the inflow section (31) and the outflow section (32) take the positions close to the main water inlet channel (5) and the main water outlet channel (6) as starting points, and plugs b (316) are arranged between the third branch pipe and the fourth branch pipe (313).

6. The preform mold cooling plate as claimed in claim 4, wherein the branch pipes (313) and the connection pipes (314) are arranged perpendicular to the shunt pipes a (311) and b (312) and are arranged at equal intervals along the length direction of the shunt pipes a (311) and b (312).

7. The bottle blank mold cooling plate as claimed in claim 4, wherein the outer wall of the main body part (21) of the bottle blank mold (2) is provided with a spiral flow passage (211) communicated with the branch flow pipe (313);

The outer wall of the base part (22) is provided with an annular flow passage (221) communicated with the branch flow pipe (313).

8. The preform mold cooling plate as claimed in claim 6, wherein said connecting pipes (314) have the same diameter as that of the branch pipes (313), and are provided in three numbers.

9. the cooling plate for bottle parison molds according to claim 3, wherein the water inlet runner a (51) and the water inlet runner b (52) and the water outlet runner a (61) and the water outlet runner b (62) are vertically arranged along the thickness direction of the plate body (1) and are staggered back and forth along the length direction of the plate body (1).

Technical Field

The invention relates to the technical field of bottle blank mold cooling equipment, in particular to a bottle blank mold cooling plate.

background

The bottle blank injection molding machine is mainly formed by combining an injection molding machine and a multi-cavity mold and is mainly used for producing plastic bottle blanks, and products such as plastic bottles or medical medicine bags and the like are obtained by further blow molding of the bottle blanks obtained by injection molding. After the bottle blank is injection molded, the product in the bottle blank mold needs to be cooled.

A chinese utility model patent with publication number CN203973996U, which discloses a cooling water path device for an injection molding bottle blank mold cavity, comprising a bottle blank mold, a bottle blank bottom mold is arranged in the bottle blank mold, a cavity communicated with the bottle blank bottom mold is arranged in the bottle blank mold, a ring-embedded cooling water path is arranged at the upper end of the bottle blank mold, an annular concave cooling water path is arranged at the middle end of the bottle blank mold, the annular concave cooling water paths are communicated with each other through a right-angle concave cooling water path, a concave bottom mold ring-embedded cooling water path is arranged on the outer wall of the bottle blank bottom mold, and communicating holes communicated with the bottom mold ring-embedded cooling water path are respectively arranged at both side ends of the lower end of the bottle blank mold; carry out effectual cooling to the product in the die cavity, improve the efficiency of product processing, promote the product quality simultaneously.

However, in the actual use process, the inventor invents the following technical problems: the bottle blank mold main body is communicated with a cooling flow channel of a bottom mold, namely water flow needs to flow out after all winding a circle from top to bottom or from bottom to top, the cooling effect on the bottom mold part is poor, the cooling of the bottom mold part is critical to the forming quality of the bottle bottom of the bottle blank, and the bottle blank bottom is easy to shrink in the cooling mode.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a bottle blank mold cooling plate, which is characterized in that an upper cooling runner system and a lower cooling runner system are arranged to respectively cool a main body part and a base part of a bottle blank mold, and a plug is arranged to enable cooling water to flow in an S-shaped path, so that the problems of poor cooling effect of the bottom part of the bottle blank mold, easy shrinkage of the bottom of a molded bottle blank, low cooling water flow speed and low cooling efficiency are solved.

Aiming at the technical problems, the technical scheme is as follows:

A bottle blank mold cooling plate comprises a plate body, wherein a mounting groove for mounting a bottle blank mold is formed in the surface of the plate body, an upper cooling runner system and a lower cooling runner system are sequentially arranged on the plate body from top to bottom in the thickness direction of the plate body, and the upper cooling runner system and the lower cooling runner system are used for introducing cooling media to respectively cool a main body part and a base part of the bottle blank mold; the upper cooling flow channel system and the lower cooling flow channel system are equally divided into a flow-in section and a flow-out section along the width direction of the plate body, a cooling medium enters the flow-in section and flows along the S-shaped path in the forward direction, and flows to the flow-out section and then flows out along the S-shaped path in the reverse direction.

Preferably, a main water inlet channel and a main water outlet channel are formed in the side face of the plate body along the width direction of the plate body, the main water inlet channel is communicated with the head ends of the upper cooling flow channel system and the lower cooling flow channel system, and the main water outlet channel is communicated with the tail ends of the upper cooling flow channel system and the lower cooling flow channel system.

Preferably, the plate body is also internally provided with a water inlet sub-channel a and a water inlet sub-channel b which are communicated with a main water inlet channel, and the main water inlet channel is respectively communicated with the head ends of the upper cooling channel system and the lower cooling channel system through the water inlet sub-channel a and the water inlet sub-channel b;

and the plate body is also internally provided with a water outlet runner a and a water outlet runner b which are communicated with the main water outlet runner, and the main water outlet runner is respectively communicated with the tail ends of the upper cooling runner system and the lower cooling runner system through the water outlet runner a and the water outlet runner b.

Preferably, the inflow section and the outflow section respectively comprise a shunt pipe a and a shunt pipe b which are arranged along the length direction of the plate body, and a plurality of branch pipes are connected between the shunt pipe a and the shunt pipe b;

The shunt tubes a of the inflow section are communicated with the shunt tubes a of the outflow section through a plurality of connecting tubes.

preferably, a plug a is arranged between the sixth branch pipe and the seventh branch pipe, and the position, close to the main water inlet channel and the main water outlet channel, of the shunt pipe a of the inflow section and the outflow section is taken as a starting point; the flow dividing pipes b of the inflow section and the outflow section take the positions close to the main water inlet channel and the main water outlet channel as starting points, and a plug b is arranged between the third and the fourth flow dividing pipes.

preferably, the branch pipes and the connecting pipes are perpendicular to the shunt pipes a and b and are arranged at equal intervals along the length direction of the shunt pipes a and b.

Preferably, the outer wall of the main body part of the bottle blank mold is provided with a spiral flow passage communicated with the branch pipe; an annular flow passage communicated with the branch pipe is arranged on the outer wall of the base part.

preferably, the connecting pipes have the same pipe diameter as the branch pipes, and are provided with three connecting pipes.

The invention aims at a 48-cavity die, three branch flow pipes are adopted as one group, and the number of the branch flow pipes can be adjusted to be another group when the die is used for other cavities.

Preferably, the water inlet runner a and the water inlet runner b and the water outlet runner a and the water outlet runner b are vertically arranged along the thickness direction of the plate body, and are staggered from front to back along the length direction of the plate body.

It should be noted that the channels, shown in the drawings, of the water inlet runner a, the water inlet runner b, the water outlet runner a, the water outlet runner b, the shunt tubes a, the shunt tubes b and the branch tubes, which penetrate through the plate body in the direction are all processing channels, and plugs are installed to plug the channels when the water inlet runner a, the water inlet runner b, the water outlet runner a, the shunt tubes b and the branch tubes are used.

Drawings

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

FIG. 1 is a schematic top view of the internal structure of a cooling plate of a preform mold;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of a preform mold cooling plate;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is a schematic front view of a preform mold cooling plate.

Detailed Description

the technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.