Plastic bottle body injection blow mold convenient to demold

Abstract

The utility model discloses a plastic bottle body injection blow mould convenient to demould, which comprises a first plate, a left mould plate, a right mould plate and a second plate, the left mould plate is matched with the right mould plate, the first plate is fixed on one side of the outer part of the left mould plate, the second plate is fixed on the outer part of the right mould plate, and the first plate is fixed on one side of the outer part of the right mould plate. Supporting columns are fixed to the peripheries of the exteriors of the first plate and the second plate, a fixing plate is fixed to the exteriors of the supporting columns, telescopic driving pieces are fixed to the exteriors of the fixing plates, and the output end of the telescopic driving piece on the left side penetrates through the first plate and the left mold plate and extends into the left mold plate; and the output end of the telescopic driving piece on the right side penetrates through the second plate and the right mold plate and extends into the right mold plate. When the mold is opened, the telescopic driving piece is started, and the piston end of the telescopic driving piece extends into the mold, so that a product in the mold is pushed out, and the product is convenient to take out.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a plastic bottle body injection blow mold which is easy to demould. Background Art

[0002] Plastic bottles are made of polyester, polyethylene, and polypropylene as raw materials, with corresponding organic solvents added, heated at high temperature, and then blow molded, extruded, or injection molded through a plastic mold. They are mainly used for liquid or solid disposable plastic packaging containers such as beverages, food, pickles, honey, dried fruits, edible oils, pesticides and veterinary drugs. Plastic bottles are not easy to break, have low cost, high transparency, and are made of food-grade raw materials.

[0003] The existing plastic bottle injection blow mold that is easy to demould, as described in the patent with announcement number CN 209718406 U, includes a base and a demoulding mechanism, the top surface of the base is welded with a fixed mold, and the inner side of the fixed mold is provided with a demoulding mechanism. In the utility model, a demoulding mechanism composed of a support frame, a gear, a connecting block, a gear ring, a screw, a collar, a nut, a rotating shaft and a motor is adopted. After the plastic bottle is formed, the first cylinder is controlled to extend upward, and the second cylinder is controlled to contract at the same time to move the movable mold away from the top of the fixed mold. When in use, the motor is started, and the motor drives the gear to rotate through the transmission shaft, the gear drives the gear ring to rotate, the gear ring drives the nut to rotate, and the nut drives the screw and the collar to extend upward to eject the plastic bottle from the fixed mold. However, this structure is still complicated, and it is still inconvenient to take out the product with more transmission structures. Utility Model Content

[0004] The utility model aims to provide a plastic bottle body injection blow mold which is easy to demould 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 plastic bottle body injection blow mold that is easy to demold, comprising a first plate, a left mold plate, a right mold plate and a second plate, the left mold plate and the right mold plate cooperate with each other, the first plate is fixed to one side of the outside of the left mold plate, the second plate is fixed to the outside of the right mold plate, support columns are fixed around the outside of the first plate and the second plate, a fixed plate is fixed to the outside of the support column, a telescopic drive member is fixed to the outside of the fixed plate, the output end of the telescopic drive member on the left side passes through the first plate and the left mold plate and extends into the left mold plate, and the output end of the telescopic drive member on the right side passes through the second plate and the right mold plate and extends into the right mold plate.

[0006] The tops of the left mold plate and the right mold plate are provided with material openings, which are arc-shaped and can be spliced ​​into a circle; four groups of fixing screw holes are opened on the first plate and the second plate, and bolts are screwed into the fixing screw holes.

[0007] Preferably, a plastic bottle body is placed in the left mold plate and the right mold plate, and a cavity cooperating with the plastic bottle body is opened in the left mold plate and the right mold plate.

[0008] Preferably, grooves are provided in the left mold plate and the right mold plate, and cooling pipes are placed in the grooves.

[0009] Preferably, one side of the outside of the cooling pipe is connected to a first water inlet, and one end of the first water inlet is connected to a second water inlet.

[0010] Preferably, one side of the exterior of the left mold plate is connected with a positioning column, and four groups of the positioning columns are arranged on the left mold plate.

[0011] Preferably, a positioning hole is provided in the right mold plate, and the positioning hole cooperates with the positioning column.

[0012] Through the above description of the technical solution, the beneficial technical effects of the technical solution include the following:

[0013] (1) The technical solution realizes that the mold can easily push out the product and take out the product by providing a telescopic drive member, a fixed plate and a support column. Therefore, when the mold is opened, the telescopic drive member is started, and the piston end of the telescopic drive member extends into the interior of the mold, thereby pushing out the product in the mold and taking out the product.

[0014] (2) The technical solution enables the product in the mold to be quickly formed by providing a first water inlet, a second water inlet, a groove and a cooling pipe. Therefore, when in use, by connecting the water pipe of the blow molding machine with the first water inlet and the second water inlet, and then passing cold water into the cooling pipe, the flow of cold water brings out the heat in the mold, so that the mold is quickly cooled and formed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a top view of the three-dimensional structure of the utility model.

[0017] Figure 3 It is a side view stereoscopic structural schematic diagram of the utility model.

[0018] Figure 4 It is a side view stereoscopic internal explosion structure schematic diagram of the utility model.

[0019] Figure 5 It is a schematic diagram of the side-view three-dimensional explosion structure of the utility model.

[0020] In the figure: 1. first plate; 2. left mold plate; 3. telescopic drive member; 4. fixed plate; 5. support column; 6. fixing screw hole; 7. first water inlet; 8. second water inlet; 9. right mold plate; 10. second plate; 11. material port; 12. groove; 13. plastic bottle body; 14. cooling tube; 15. positioning column; 16. positioning hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] See also Figure 1-5 The utility model provides an embodiment: a plastic bottle body injection blow mold that is easy to demold, comprising a first plate 1, a left mold plate 2, a right mold plate 9 and a second plate 10, the left mold plate 2 and the right mold plate 9 cooperate with each other, the first plate 1 is fixed to one side of the outside of the left mold plate 2, the second plate 10 is fixed to the outside of the right mold plate 9, support columns 5 are fixed around the outside of the first plate 1 and the second plate 10, the outside of the support column 5 is fixed to a fixed plate 4, the outside of the fixed plate 4 is fixed to a telescopic driving member 3, the output end of the left telescopic driving member 3 passes through the first plate 1 and the left mold plate 2 and extends into the left mold plate 2, the output end of the right telescopic driving member 3 passes through the second plate 10 and the right mold plate 9 and extends into the right mold plate 9.

[0025] When the mold is opened, the telescopic driving member 3 is started, and the piston end of the telescopic driving member 3 extends into the interior of the mold, thereby pushing out the product in the mold, making it easier to take out the product. The top of the left mold plate 2 and the right mold plate 9 are provided with a material opening 11, which is arc-shaped and spliced ​​into a circle. The first plate 1 and the second plate 10 are provided with four sets of fixing screw holes 6, and bolts are screwed into the fixing screw holes 6.

[0026] A plastic bottle body 13 is placed in the left mold plate 2 and the right mold plate 9. A cavity cooperating with the plastic bottle body 13 is opened in the left mold plate 2 and the right mold plate 9. A groove 12 is opened in the left mold plate 2 and the right mold plate 9. A cooling pipe 14 is placed in the groove 12.

[0027] One side of the outside of the cooling pipe 14 is connected to the first water inlet 7, one end of the first water inlet 7 is connected to the second water inlet 8, one side of the outside of the left mold plate 2 is connected to the positioning column 15, four groups of positioning columns 15 are provided on the left mold plate 2, and positioning holes 16 are provided in the right mold plate 9, and the positioning holes 16 cooperate with the positioning columns 15. By connecting the water pipe of the blow molding machine with the first water inlet 7 and the second water inlet 8, and then passing cold water into the cooling pipe 14, the flow of cold water takes out the heat in the mold, so that the mold is quickly cooled and formed.

[0028] The working process of the equipment is as follows: the mold is installed in the blow molding machine, and then the material is blown into the mold through the feed port on the blow molding machine, and then the water pipe of the blow molding machine is connected to the first water inlet 7 and the second water inlet 8, and then cold water is passed into the cooling pipe 14. The flow of cold water brings out the heat in the mold, so that the mold is quickly cooled and formed. After the blow molding machine opens the mold, the telescopic drive member 3 is started. Since the piston end of the telescopic drive member 3 extends to the inside of the mold, the product in the mold is pushed out, which is convenient for taking out the product.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A plastic bottle injection blow mold that is easy to demould, characterized in that: The invention comprises a first plate (1), a left mold plate (2), a right mold plate (9) and a second plate (10), wherein the left mold plate (2) and the right mold plate (9) cooperate with each other, the first plate (1) is fixed to one side of the outside of the left mold plate (2), the second plate (10) is fixed to the outside of the right mold plate (9), support columns (5) are fixed to the four sides of the outside of the first plate (1) and the second plate (10), a fixed plate (4) is fixed to the outside of the support column (5), a telescopic driving member (3) is fixed to the outside of the fixed plate (4), and the telescopic driving member (3) is fixed to the left side of the telescopic driving member (3). The output end of the moving member (3) passes through the first plate (1) and the left mold plate (2) and extends into the left mold plate (2); the output end of the telescopic driving member (3) on the right side passes through the second plate (10) and the right mold plate (9) and extends into the right mold plate (9); a material opening (11) is provided at the top of the left mold plate (2) and the right mold plate (9); the material opening (11) is arc-shaped and the material openings (11) are spliced ​​into a circle; four groups of fixing screw holes (6) are provided on the first plate (1) and the second plate (10), and bolts are screwed into the fixing screw holes (6).

2. The easy-to-demold plastic bottle injection blow mold according to claim 1, characterized in that: A plastic bottle body (13) is placed in the left mold plate (2) and the right mold plate (9), and a cavity cooperating with the plastic bottle body (13) is provided in the left mold plate (2) and the right mold plate (9).

3. The easy-to-demold plastic bottle injection blow mold according to claim 1, characterized in that: The left mold plate (2) and the right mold plate (9) are provided with grooves (12), and cooling pipes (14) are placed in the grooves (12).

4. The easy-to-demold plastic bottle injection blow mold according to claim 3, characterized in that: One side of the outside of the cooling pipe (14) is connected to a first water inlet (7), and one end of the first water inlet (7) is connected to a second water inlet (8).

5. The easy-to-demold plastic bottle injection blow mold according to claim 1, characterized in that: One side of the exterior of the left mold plate (2) is connected to a positioning column (15), and four groups of the positioning columns (15) are arranged on the left mold plate (2).

6. The easy-to-demold plastic bottle injection blow mold according to claim 1, characterized in that: The right mold plate (9) is provided with a positioning hole (16), and the positioning hole (16) cooperates with the positioning column (15).

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