Injection molding device for bottle blank production

Abstract

The utility model discloses an injection molding device for bottle blank production, which comprises a bottom plate, an injection molding device is fixedly mounted at the top of the bottom plate, a cooling box is fixedly connected to the top of the bottom plate, a cooling component is arranged in the cooling box, a displacement component is arranged at the bottom of the bottom plate, and a displacement groove is formed in the surface of the bottom plate in a penetrating manner. A displacement frame is slidably connected into the displacement groove, a mounting plate is fixedly connected to the top of the displacement frame, and a base mold is fixedly connected to the top of the mounting plate. The utility model aims to solve the problems that a molded product can be taken out only after a plastic bottle blank is solidified in the mold due to the fact that an integral structure of an integral mold barrel which is generally adopted during injection molding of the existing plastic bottle blank injection molding mold cannot be separated, and the molded product cannot be taken out due to the fact that the integral mold barrel cannot be separated. Therefore, the problem that the product is easy to deform or damage due to obstruction during demolding is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding devices, in particular to an injection molding device for producing bottle blanks. Background Art

[0002] Plastic bottles are the most widely used beverage packaging today. Various beverages and drinking water are mostly packaged in plastic bottle preforms, which are generally manufactured in large quantities using injection molds.

[0003] Existing plastic bottle blank injection molding molds generally use an integrated mold cylinder when injecting the mold. Because the overall structure cannot be separated, during the injection molding process, after the plastic bottle blank solidifies inside the mold, the mold needs to be separated to take out the molded product. Since the integrated mold cylinder cannot be separated, demolding will be hindered, which can easily cause product deformation or damage. Utility Model Content

[0004] The utility model aims to provide an injection molding device for producing bottle blanks to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a base plate, an injection molding device is fixedly installed on the top of the base plate, a cooling box is fixedly connected to the top of the base plate, a cooling assembly is arranged inside the cooling box, a displacement assembly is arranged at the bottom of the base plate, a displacement groove is penetrated through the surface of the base plate, a displacement frame is slidably connected inside the displacement groove, a mounting plate is fixedly connected to the top of the displacement frame, a base mold is fixedly connected to the top of the mounting plate, a demolding assembly is arranged at the bottom of the mounting plate, a limiting groove is penetrated through the surface of the mounting plate, a displacement block is slidably connected inside the limiting groove, a displacement mold is fixedly installed on one side of the displacement block, and a cavity is arranged on one side of the displacement mold.

[0006] As a further preferred embodiment of the present technical solution, the demolding assembly includes two first fixed plates, the two first fixed plates are fixedly connected to the bottom of the mounting plate, a bidirectional screw is rotatably connected between the two first fixed plates, a second motor is fixedly installed on one side of one of the first fixed plates, one end of the output shaft of the second motor is fixedly connected to one end of the bidirectional screw, and a thread groove is opened inside the displacement block and is threadedly connected to the outer side of the bidirectional screw.

[0007] As a further preferred embodiment of the present technical solution, the demoulding assembly also includes two second fixed plates, the two second fixed plates are fixedly connected to the bottom of the mounting plate, a guide rod is fixedly connected between the two second fixed plates, and the displacement block is movably connected to the outside of the guide rod away from the inside of the bidirectional screw rod.

[0008] As a further preferred embodiment of the present technical solution, the cooling assembly includes an air cooler, which is fixedly installed on the top of a cooling box, a connecting pipe is fixedly connected to the interior of the cooling box, the top of the connecting pipe is fixedly connected to an air outlet of the air cooler, the bottom of the connecting pipe is fixedly connected to a mounting frame, a plurality of air ducts are arranged inside the mounting frame, air outlet pipes are equidistantly installed on the inner wall of the mounting frame, and one end of the air outlet pipe corresponds to the air duct of the mounting frame.

[0009] As a further preferred embodiment of the present technical solution, the cooling assembly further includes a shielding curtain, and the shielding curtain is arranged inside the cooling box.

[0010] As a further preferred embodiment of the present technical solution, the displacement assembly includes a reciprocating screw, which is rotatably connected between two first vertical plates, wherein a first motor is fixedly installed on one side of one of the first vertical plates, one end of the first motor output shaft is fixedly connected to one end of the reciprocating screw, and a thread groove is provided on one side of the displacement frame and is threadedly connected to the outer side of the reciprocating screw.

[0011] As a further preferred embodiment of the present technical solution, the displacement assembly also includes two second vertical plates, the two second vertical plates are fixedly connected to the bottom of the base plate, a sliding rod is fixedly connected between the two second vertical plates, and the side of the displacement frame away from the reciprocating screw rod is movably connected to the outer side of the sliding rod.

[0012] The utility model provides an injection molding device for producing bottle blanks, which has the following beneficial effects:

[0013] (1) The utility model starts the demoulding component to make demoulding more convenient and quick, and reduces the difficulty and resistance of demoulding. In this way, it can avoid the problem that the one-piece mold cylinder cannot be separated, which will hinder the demoulding and easily cause the product to be deformed or damaged. As a result, the molded product can be removed from the mold more easily, reducing the possibility of product damage and protecting the integrity of the product.

[0014] (2) The utility model cools the displacement mold by means of a cooling assembly, which can accelerate the solidification speed of the plastic bottle blank, thereby shortening the production cycle and improving production efficiency. The plastic bottle blank can also be fully solidified inside the mold, reducing the possibility of product deformation and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0017] Figure 3This is a schematic diagram of the demoulding component structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cooling assembly structure of the utility model;

[0019] In the figure: 1. bottom plate; 2. base mold; 3. displacement frame; 4. shielding curtain; 5. cooling box; 6. air cooler; 7. injection molding device; 8. cavity; 9. displacement mold; 10. reciprocating screw; 11. first vertical plate; 12. displacement slot; 13. slide bar; 14. first motor; 15. second vertical plate; 16. bidirectional screw; 17. first fixed plate; 18. displacement block; 19. guide rod; 20. limit slot; 21. second motor; 22. mounting plate; 23. second fixed plate; 24. connecting pipe; 25. mounting frame; 26. air outlet duct. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides a technical solution: Figure 1-Figure 4 As shown, in this embodiment, an injection molding device for bottle blank production includes a bottom plate 1, an injection molding device 7 is fixedly installed on the top of the bottom plate 1, a cooling box 5 is fixedly connected to the top of the bottom plate 1, a cooling assembly is arranged inside the cooling box 5, a displacement assembly is arranged at the bottom of the bottom plate 1, a displacement groove 12 is penetrated through the surface of the bottom plate 1, a displacement frame 3 is slidably connected inside the displacement groove 12, a mounting plate 22 is fixedly connected to the top of the displacement frame 3, a base mold 2 is fixedly connected to the top of the mounting plate 22, a demoulding assembly is arranged at the bottom of the mounting plate 22, a limiting groove 20 is penetrated through the surface of the mounting plate 22, a displacement block 18 is slidably connected inside the limiting groove 20, and one side of the displacement block 18 A displacement mold 9 is fixedly installed, and a cavity 8 is opened on one side of the displacement mold 9. The displacement assembly includes a reciprocating screw 10, and the reciprocating screw 10 is rotatably connected between two first vertical plates 11. A first motor 14 is fixedly installed on one side of one of the first vertical plates 11, and one end of the output shaft of the first motor 14 is fixedly connected to one end of the reciprocating screw 10. A threaded groove is opened on one side of the displacement frame 3 and is threadedly connected to the outer side of the reciprocating screw 10. The displacement assembly also includes two second vertical plates 15, and the two second vertical plates 15 are fixedly connected to the bottom of the base plate 1, and a sliding rod 13 is fixedly connected between the two second vertical plates 15. The side of the displacement frame 3 away from the reciprocating screw 10 is movably sleeved with the outer side of the sliding rod 13.

[0022] First, the demoulding assembly is started to drive the two displacement molds 9 to merge, and then the output shaft of the first motor 14 is started to rotate to drive the reciprocating screw 10 to rotate and drive the displacement frame 3 to move outside the slide bar 13, and then the displacement frame 3 is limited by the displacement groove 12 when it moves, and then the displacement frame 3 moves to drive the mounting plate 22 to move and drive the displacement mold 9 to move to the bottom of the injection molding device 7, and then the injection molding device 7 moves down to perform injection molding on the internal cavity 8 of the displacement mold 9, and then after the injection molding is completed, the displacement assembly is started to drive the displacement mold 9 to move to the inside of the cooling box 5, and then the cooling assembly is used to cool the displacement mold 9. In this way, the solidification speed of the plastic bottle blank can be accelerated, thereby shortening the production cycle, improving production efficiency, and allowing the plastic bottle blank to fully solidify inside the mold, reducing the possibility of product deformation and improving product quality. After cooling is completed, the displacement mold 9 is driven out of the cooling box 5 by starting the displacement component. At this time, the demolding component is started to operate, so that demolding is more convenient and quick, and the difficulty and resistance of demolding are reduced. In this way, the problem that the one-piece mold cylinder cannot be separated, so that demolding will be hindered, which is easy to cause product deformation or damage, and then the molded product can be taken out of the mold more easily, reducing the possibility of product damage and protecting the integrity of the product.

[0023] like Figure 1-Figure 4 As shown, the demoulding assembly includes two first fixed plates 17, and the two first fixed plates 17 are fixedly connected to the bottom of the mounting plate 22, and a bidirectional screw 16 is rotatably connected between the two first fixed plates 17, and a second motor 21 is fixedly installed on one side of one of the first fixed plates 17, and one end of the output shaft of the second motor 21 is fixedly connected to one end of the bidirectional screw 16, and a thread groove is opened inside the displacement block 18 and is threadedly connected to the outer side of the bidirectional screw 16, and the demoulding assembly also includes two second fixed plates 23, and the two second fixed plates 23 are fixedly connected to the bottom of the mounting plate 22, and a guide rod 19 is fixedly connected between the two second fixed plates 23, and the displacement block 18 is away from the inner part of the bidirectional screw 16 and is movably sleeved on the outer side of the guide rod 19.

[0024] During demolding, the output shaft of the second motor 21 is started to rotate, driving the bidirectional screw 16 to rotate and driving the displacement block 18 to move outside the guide rod 19, so that the movement of the displacement block 18 is guided by the guide rod 19, and then the displacement block 18 moves inside the limiting groove 20, so that the movement of the displacement block 18 is limited by the limiting groove 20 to avoid deviation, and then the two displacement molds 9 are driven to separate, so as to expose the cooled bottle blank inside the cavity 8, which is convenient for subsequent operations.

[0025] like Figure 1-Figure 4As shown, the cooling component includes an air cooler 6, which is fixedly installed on the top of the cooling box 5. A connecting pipe 24 is fixedly connected to the inside of the cooling box 5. The top of the connecting pipe 24 is fixedly connected to the air outlet of the air cooler 6. The bottom of the connecting pipe 24 is fixedly connected to a mounting frame 25. A plurality of air ducts are arranged inside the mounting frame 25. Air outlet pipes 26 are equidistantly installed on the inner wall of the mounting frame 25. One end of the air outlet pipe 26 corresponds to the air duct of the mounting frame 25. The cooling component also includes a shielding curtain 4, which is arranged inside the cooling box 5.

[0026] When cooling is in progress, the cold air is output by starting the air cooler 6 to enter the air duct inside the mounting frame 25 through the connecting pipe 24, and then the air duct is connected to multiple air outlet pipes 26. The cold air is then output from the air outlet pipes 26 to the inside of the cooling box 5 to cool the displacement mold 9. Then, the shielding curtains 4 provided at the inlet and outlet of the cooling box 5 can effectively gather the cold air inside the cooling box 5, thereby accelerating the cooling efficiency.

[0027] The utility model provides an injection molding device for bottle blank production, and the specific working principle is as follows: first, by starting the first motor 14 output shaft to rotate, the reciprocating screw rod 10 is driven to rotate and the displacement frame 3 is driven to move on the outside of the slide bar 13, and then the displacement frame 3 is limited by the displacement groove 12 when it moves, and then the displacement frame 3 moves to drive the mounting plate 22 to move and drive the displacement mold 9 to move to the bottom of the injection molding device 7, and then the injection molding device 7 is moved down to perform an injection molding operation on the internal cavity 8 of the displacement mold 9, and then after the injection molding is completed, the displacement assembly is started to drive the displacement mold 9 to move to the inside of the cooling box 5, and then the cold air is output by starting the cold air blower 6 to enter the air duct inside the mounting frame 25 through the connecting pipe 24, and then the air duct is connected to a plurality of air outlet pipes 26, and then the cold air is discharged from the air outlet pipe 26 is output to the interior of the cooling box 5 to cool the displacement mold 9. Then, the shielding curtains 4 are arranged at the inlet and outlet of the cooling box 5 to effectively gather the cold air inside the cooling box 5, thereby accelerating the cooling efficiency. Finally, the displacement assembly is started to move and drive the displacement mold 9 to move out of the cooling box 5. At this time, the output shaft of the second motor 21 is started to rotate to drive the bidirectional screw 16 to rotate and at the same time drive the displacement block 18 to move on the outside of the guide rod 19, so that the movement of the displacement block 18 is guided by the guide rod 19, and then the displacement block 18 moves inside the limiting groove 20, so that the movement of the displacement block 18 is limited by the limiting groove 20 to avoid its movement from being offset, and then the two displacement molds 9 are driven to separate, thereby exposing the bottle blank that has been cooled inside the cavity 8, which is convenient for subsequent operations.

[0028] 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. An injection molding device for producing preforms, comprising a base plate (1), characterized in that: An injection molding device (7) is fixedly mounted on the top of the bottom plate (1), a cooling box (5) is fixedly connected to the top of the bottom plate (1), a cooling assembly is arranged inside the cooling box (5), a displacement assembly is arranged at the bottom of the bottom plate (1), a displacement groove (12) is provided through the surface of the bottom plate (1), a displacement frame (3) is slidably connected inside the displacement groove (12), a mounting plate (22) is fixedly connected to the top of the displacement frame (3), a base mold (2) is fixedly connected to the top of the mounting plate (22), a demoulding assembly is arranged at the bottom of the mounting plate (22), a limiting groove (20) is provided through the surface of the mounting plate (22), a displacement block (18) is slidably connected inside the limiting groove (20), a displacement mold (9) is fixedly mounted on one side of the displacement block (18), and a cavity (8) is provided on one side of the displacement mold (9).

2. The injection molding device for producing preforms according to claim 1, characterized in that: The demoulding assembly comprises two first fixing plates (17), the two first fixing plates (17) are fixedly connected to the bottom of the mounting plate (22), a bidirectional screw rod (16) is rotatably connected between the two first fixing plates (17), a second motor (21) is fixedly mounted on one side of one of the first fixing plates (17), one end of the output shaft of the second motor (21) is fixedly connected to one end of the bidirectional screw rod (16), and a thread groove is provided inside the displacement block (18) and is threadably connected to the outer side of the bidirectional screw rod (16).

3. The injection molding device for producing preforms according to claim 2, characterized in that: The demoulding assembly further comprises two second fixing plates (23), the two second fixing plates (23) being fixedly connected to the bottom of the mounting plate (22), a guide rod (19) being fixedly connected between the two second fixing plates (23), and the displacement block (18) being movably sleeved on the outside of the guide rod (19) away from the inside of the bidirectional screw rod (16).

4. The injection molding device for producing preforms according to claim 1, characterized in that: The cooling assembly comprises an air cooler (6), wherein the air cooler (6) is fixedly mounted on the top of a cooling box (5), a connecting pipe (24) is fixedly connected to the interior of the cooling box (5), the top of the connecting pipe (24) is fixedly connected to an air outlet of the air cooler (6), the bottom of the connecting pipe (24) is fixedly connected to a mounting frame (25), a plurality of air ducts are arranged inside the mounting frame (25), air outlet pipes (26) are equidistantly mounted on the inner wall of the mounting frame (25), and one end of the air outlet pipe (26) corresponds to the air duct of the mounting frame (25).

5. The injection molding device for producing preforms according to claim 1, characterized in that: The cooling assembly further comprises a shielding curtain (4), wherein the shielding curtain (4) is arranged inside the cooling box (5).

6. The injection molding device for producing preforms according to claim 1, characterized in that: The displacement assembly comprises a reciprocating screw (10), the reciprocating screw (10) being rotatably connected between two first vertical plates (11), a first motor (14) being fixedly mounted on one side of one of the first vertical plates (11), one end of an output shaft of the first motor (14) being fixedly connected to one end of the reciprocating screw (10), and a thread groove being provided on one side of the displacement frame (3) and being threadably connected to the outer side of the reciprocating screw (10).

7. The injection molding device for producing preforms according to claim 6, characterized in that: The displacement assembly further comprises two second vertical plates (15), the two second vertical plates (15) being fixedly connected to the bottom of the base plate (1), a slide bar (13) being fixedly connected between the two second vertical plates (15), and a side of the displacement frame (3) away from the reciprocating screw rod (10) being movably sleeved with an outer side of the slide bar (13).

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