Mould for producing plastic bottle blank

Abstract

The utility model discloses a mould for producing plastic bottle blanks, which comprises a mould component and mounting plates, electric telescopic pieces are respectively arranged at the ends, far away from each other, of the two mounting plates, movable plates are respectively arranged at the ends, close to each other, of the two mounting plates, and the movable plates are connected with the adjacent mounting plates through telescopic components. The two mold assemblies are located between the two mounting plates, each mold assembly is connected with the adjacent mounting plate through a detachable connecting mechanism, the mold assemblies and the movable plate can be freely disassembled and assembled through the detachable connecting assemblies, and the mounting mode is simple in operation and convenient to use. Compared with the prior art, the plastic bottle forming device has the advantages that workers can replace the mold conveniently, the mold replacement efficiency can be effectively improved, and meanwhile, the water inlet, the water outlet and the cooling bin can be communicated with an external cooling water circulation machine, so that the formed plastic bottle in the forming groove can be cooled quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bottle production, in particular to a mold for producing plastic bottle blanks. Background Art

[0002] Plastic bottles are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents. Plastic bottles widely use polyester (PET), polyethylene (PE), and polypropylene (PP) as raw materials. After adding corresponding organic solvents, they are heated at high temperature and then blow molded, extruded, or injection molded through plastic molds to form plastic containers.

[0003] A mold is needed in the blow molding process, and different molds are needed when processing different plastic bottles, but the existing molds are complicated to operate and time-consuming to replace. Therefore, a mold for producing plastic bottle blanks is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a mold for producing plastic bottle blanks to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold for producing plastic bottle blanks, comprising a mold assembly and a mounting plate, wherein the ends of the two mounting plates that are away from each other are respectively provided with electric telescopic parts, and the ends of the two mounting plates that are close to each other are both provided with movable plates, and the movable plates and their adjacent mounting plates are connected through a telescopic assembly, and the two mold assemblies are located between the two mounting plates, and the mold assembly and its adjacent mounting plates are connected through a detachable connecting mechanism, and the detachable connecting assembly consists of a connecting plate, a connecting sleeve, an extrusion plate, a telescopic rod and a reset spring, and is fixedly connected to the side wall of the mold assembly close to the movable plate, and a plurality of connecting sleeves are fixedly connected to the side wall of the movable plate, and an extrusion plate is arranged above the movable plate, and two telescopic rods are fixedly connected to the bottom of the extrusion plate, and the bottom of the telescopic rod slides through the movable plate and is fixedly connected to the fixed plate, and a reset spring is sleeved on the outer surface of the telescopic rod, and the two ends of the reset spring are respectively fixedly connected to the movable plate and the fixed plate.

[0006] As a further preferred embodiment of the present technical solution, the telescopic assembly includes a movable rod, a compression spring and a limit plate. The movable plate is fixedly connected to a plurality of movable rods on the side wall close to the mounting plate. The ends of the movable rods slide through the mounting plate and are fixedly connected to the limit plate. A compression spring is sleeved on the outer surface of the movable rod, and the two ends of the compression spring are respectively fixedly connected to the movable plate and the mounting plate.

[0007] As a further preferred embodiment of the present technical solution, the connecting plate is an L-shaped structure.

[0008] As a further preferred embodiment of the present technical solution, the plurality of connecting sleeves are distributed in a straight line with equal spacing from top to bottom.

[0009] As a further preferred embodiment of the present technical solution, the return spring is made of carbon steel.

[0010] As a further preferred embodiment of the present technical solution, the end surfaces of the two mold assemblies close to each other are each provided with a molding groove, and the top wall of the molding groove is provided with a blow molding port extending to the upper surface of the mold assembly.

[0011] As a further preferred embodiment of the present technical solution, a cooling bin is provided inside the mold assembly, a water inlet is provided at the upper end of the cooling bin, and a drain outlet is provided at the lower end of the cooling bin.

[0012] The utility model provides a mold for producing plastic bottle blanks, which has the following beneficial effects:

[0013] The utility model provides a detachable connecting component, which allows the mold assembly and the movable plate to be freely disassembled and assembled, and this installation method is simple to operate, which greatly facilitates the staff to replace the mold and can effectively improve the efficiency of mold replacement. At the same time, the water inlet, drain outlet and cooling bin provided can be connected with an external cooling water circulation machine, so as to quickly cool the molded plastic bottles in the molding tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of a part of the structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the movable plate and the mounting plate in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the mold assembly in the utility model;

[0018] In the figure: 1. mold assembly; 2. movable plate; 3. mounting plate; 4. molding groove; 5. blow molding port; 6. water inlet; 7. drain outlet; 8. cooling chamber; 9. connecting plate; 10. connecting sleeve; 11. extrusion plate; 12. telescopic rod; 13. reset spring; 14. movable rod; 15. compression spring; 16. limit plate; 17. fixed plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figures 1 to 4 As shown, in this embodiment, a mold for producing plastic bottle blanks includes a mold assembly 1 and a mounting plate 3. The ends of the two mounting plates 3 that are away from each other are respectively provided with electric telescopic parts, and the ends of the two mounting plates 3 that are close to each other are both provided with movable plates 2. The movable plates 2 and the adjacent mounting plates 3 are connected through a telescopic assembly. The two mold assemblies 1 are located between the two mounting plates 3. The mold assembly 1 and the adjacent mounting plates 3 are connected through a detachable connecting mechanism. The detachable connecting assembly consists of a connecting plate 9, a connecting sleeve 10, an extrusion plate 11, a telescopic rod 12 and a reset spring 13. The connecting The plate 9 is an L-shaped structure and is fixedly connected to the side wall of the mold assembly 1 near the movable plate 2. A plurality of connecting sleeves 10 are fixedly connected to the side wall of the movable plate 2. The plurality of connecting sleeves 10 are distributed in a straight line with equal intervals from top to bottom. An extrusion plate 11 is arranged above the movable plate 2. Two telescopic rods 12 are fixedly connected to the bottom of the extrusion plate 11. The bottom of the telescopic rod 12 slides through the movable plate 2 and is fixedly connected to a fixed plate 17. A reset spring 13 is sleeved on the outer surface of the telescopic rod 12. The reset spring 13 is made of carbon steel. The two ends of the reset spring 13 are respectively fixedly connected to the movable plate 2 and the fixed plate 17.

[0021] The end surfaces of the two mold assemblies 1 that are close to each other are each provided with a molding groove 4 , and the top wall of the molding groove 4 is provided with a blow molding port 5 that extends to the upper surface of the mold assembly 1 .

[0022] After the two mold assemblies 1 are closed by the electric telescopic member, the two molding grooves 4 will form a closed inner groove, and the plastic bottle blank in the inner groove can be blow-molded through the blow molding port 5.

[0023] A cooling bin 8 is provided inside the mold assembly 1 , a water inlet 6 is provided at the upper end of the cooling bin 8 , and a water outlet 7 is provided at the lower end of the cooling bin 8 .

[0024] The water inlet 6 , the water outlet 7 and the cooling chamber 8 can be connected to an external cooling water circulation machine, so that the molded plastic bottles in the molding tank 4 can be quickly cooled.

[0025] Among them, the telescopic assembly includes a movable rod 14, a compression spring 15 and a limit plate 16. A plurality of movable rods 14 are fixedly connected to the side wall of the movable plate 2 close to the mounting plate 3. The ends of the movable rods 14 slide through the mounting plate 3 and are fixedly connected to the limit plate 16. The outer surface of the movable rod 14 is sleeved with a compression spring 15, and the two ends of the compression spring 15 are respectively fixedly connected to the movable plate 2 and the mounting plate 3.

[0026] By setting the telescopic component, when the two mold assemblies 1 are closed, the mounting plate 3 can continue to approach the movable plate 2, so that the clamping spring 15 is compressed. The force generated by the compression spring 15 restoring the deformation can make the two mold assemblies 1 more tightly closed after closing.

[0027] The utility model provides a mold for producing plastic bottle blanks, and the specific working principle is as follows:

[0028] Under normal circumstances, the return spring 13 is in a compressed state, pulling the extrusion plate 11 upward. At this time, the return spring 13 will be further compressed, and the connecting plate 9 will be inserted into the connecting sleeve 10, so that the mold assembly 1 is installed on the movable plate 2. The three connecting sleeves 10 can position the connecting plate 9, and then release the extrusion plate 11. The extrusion plate 11 moves downward to press the upper surface of the connecting plate 9. Under the extrusion action of the extrusion plate 11 and the weight of the mold assembly 1 itself, the mold assembly 1 is prevented from loosening upward. When disassembling, you only need to reverse the above operation. This installation method is simple to operate, which can greatly facilitate the staff to replace the mold and effectively improve the efficiency of mold replacement.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold for producing plastic preforms, comprising a mold assembly (1) and a mounting plate (3), characterized in that: The ends of the two mounting plates (3) that are away from each other are respectively provided with electric telescopic parts, and the ends of the two mounting plates (3) that are close to each other are both provided with movable plates (2), and the movable plates (2) and the adjacent mounting plates (3) are connected by telescopic components. The two mold assemblies (1) are located between the two mounting plates (3), and the mold assemblies (1) and the adjacent mounting plates (3) are connected by a detachable connecting mechanism. The detachable connecting assembly is composed of a connecting plate (9), a connecting sleeve (10), an extrusion plate (11), a telescopic rod (12) and a reset spring (13). The movable plate (2) is formed by sliding the movable plate (2) through the bottom of the extrusion plate (11). The bottom of the extrusion plate (11) is fixedly connected to the side wall of the mold assembly (1), and is fixedly connected to the side wall of the movable plate (2). A plurality of connecting sleeves (10) are fixedly connected to the side wall of the movable plate (2). An extrusion plate (11) is arranged above the movable plate (2). Two telescopic rods (12) are fixedly connected to the bottom of the extrusion plate (11). The bottom of the telescopic rod (12) slides through the movable plate (2) and is fixedly connected to a fixed plate (17). A return spring (13) is sleeved on the outer surface of the telescopic rod (12). The two ends of the return spring (13) are respectively fixedly connected to the movable plate (2) and the fixed plate (17).

2. A mold for producing plastic bottle blanks according to claim 1, characterized in that: The telescopic assembly comprises a movable rod (14), a compression spring (15) and a limit plate (16); a plurality of movable rods (14) are fixedly connected to the side wall of the movable plate (2) close to the mounting plate (3); the ends of the movable rods (14) slide through the mounting plate (3) and are fixedly connected to the limit plate (16); the outer surface of the movable rod (14) is sleeved with a compression spring (15); the two ends of the compression spring (15) are respectively fixedly connected to the movable plate (2) and the mounting plate (3).

3. A mold for producing plastic bottle blanks according to claim 1, characterized in that: The connecting plate (9) is an L-shaped structure.

4. A mold for producing plastic bottle blanks according to claim 1, characterized in that: The plurality of connecting sleeves (10) are distributed in a straight line at equal intervals from top to bottom.

5. A mold for producing plastic bottle blanks according to claim 1, characterized in that: The return spring (13) is made of carbon steel.

6. A mold for producing plastic bottle blanks according to claim 1, characterized in that: The end surfaces of the two mold assemblies (1) that are close to each other are each provided with a molding groove (4), and the top wall of the molding groove (4) is provided with a blow molding port (5) that extends to the upper surface of the mold assembly (1).

7. A mold for producing plastic bottle blanks according to claim 1, characterized in that: A cooling bin (8) is provided inside the mold assembly (1), a water inlet (6) is provided at the upper end of the cooling bin (8), and a water outlet (7) is provided at the lower end of the cooling bin (8).

Images