Plastic bottle cap compression molding machine with uniform heating function

Abstract

The plastic bottle cap compression molding machine comprises a bottom plate, the top of the bottom plate is fixedly connected with a lower die through bolts, the top of the bottom plate is fixedly connected with fixing columns which are symmetrically distributed, the tops of the fixing columns are fixedly connected with a top plate, the top of the top plate is fixedly connected with an air cylinder, and the air cylinder is fixedly connected with an upper die. When the die is replaced, the clamping blocks on the two sides are pulled, so that the two clamping blocks are far away from each other, when the clamping blocks are separated from the mounting blocks, the butt joint pipe can be taken out, and the upper die and the lower die are detached to be replaced and mounted, so that the butt joint pipe can be conveniently replaced and mounted. The butt joint pipe is pushed to enter the butt joint groove, the mounting block enables the two clamping blocks to move in the direction away from each other, the spring deforms, when the mounting block abuts against the upper die, the spring resets to enable the clamping blocks to limit the mounting block, mounting and dismounting are convenient, and the die is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of plastic bottle cap production, in particular to a plastic bottle cap compression molding machine with uniform heating. Background Art

[0002] With the development of industrial technology and the changing needs of life, compression molded products have increasingly appeared in people's lives, such as plastic bottle caps. Compression molding machines are important equipment for producing compression molded products. They use plastic parts to soften at high temperature and squeeze them into the required shape through a mold.

[0003] The present application is an improvement on the prior art. In the prior art, the hot air duct of the existing compression molding machine used for producing plastic bottle caps needs to be fixed to the mold during heating. When the mold needs to be replaced, the mold and the heating duct need to be separated, which is inconvenient to disassemble and replace the mold. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a plastic bottle cap compression molding machine with uniform heating.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A plastic bottle cap compression molding machine with uniform heating comprises a bottom plate, the top of the bottom plate is fixedly connected to a lower mold by bolts, the top of the bottom plate is fixedly connected to symmetrically distributed fixing columns, the top of the fixing columns is fixedly connected to a top plate, the top of the top plate is fixedly connected to a cylinder, and the driving end of the cylinder is fixedly connected to a movable plate slidably connected to the fixing columns, the bottom of the movable plate is fixedly connected to an upper mold by bolts, cavities are provided in the upper mold and the lower mold, butt pipes are installed on both sides of the upper mold and the lower mold, and the butt pipes are connected to the cavities, symmetrically distributed corrugated expansion pipes are provided on both sides of the lower mold, the bottom ends of the corrugated expansion pipes are fixedly connected to three-way pipes, and the three-way pipes are fixedly connected to the butt pipes, the top ends of the corrugated expansion pipes are fixedly connected to connecting pipes, and the connecting pipes are fixedly connected to the butt pipes.

[0007] As a further solution of the utility model: a heating box is fixedly connected to one side of the top of the base plate, an air pump is fixedly connected to the side of the heating box close to the lower mold, an air outlet of the air pump is fixedly connected to an air outlet pipe, and the air outlet pipe is fixedly connected to the three-way pipe, the other end of the three-way pipe away from the lower mold is fixedly connected to a recovery pipe, and an air inlet pipe is fixedly connected to the side of the heating box away from the air pump, and the air inlet pipe is fixedly connected to the recovery pipe.

[0008] As a further solution of the utility model: a mounting block is fixedly sleeved on the outer wall of the butt-jointed pipe, and the mounting block abuts against the lower die, and symmetrically distributed clamping blocks are clamped on both sides of the lower die.

[0009] As a further solution of the utility model: both sides of the upper die and the lower die are provided with symmetrically distributed sliding grooves, the inner wall of the sliding groove is slidably connected with a slider, and the slider is fixedly connected to the clamping block.

[0010] As a further solution of the utility model: the two sliding blocks are fixedly connected to one side away from each other with a spring, and the other end of the spring is fixedly connected to the inner wall of the slide groove.

[0011] As a further solution of the utility model: symmetrically distributed docking grooves are provided on both sides of the upper die and the lower die, and the docking grooves are matched with the docking pipes.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, when in use, the air pump is started, and the air pump conveys the heated air in the heating box to the three-way pipe through the air outlet pipe. The three-way pipe diverts a part of the hot air to the cavity on the lower mold through the lower butt joint pipe, and the other part is conveyed to the upper butt joint pipe through the corrugated expansion pipe and the connecting pipe, and then conveyed to the cavity on the upper mold, so that the upper mold and the lower mold are heated, and then the preheated air is discharged through another set of three-way pipes, and recovered into the heating box through the recovery pipe and the air inlet pipe, which is convenient for heating and improves the heating efficiency;

[0014] 2. In the utility model, when replacing the mold, pull the clamping blocks on both sides to make the two clamping blocks move away from each other. When the clamping blocks are separated from the mounting blocks, the docking tube can be taken out, and the upper mold and the lower mold can be removed to replace them. When installing, push the docking tube so that the docking tube enters the docking groove, and the mounting block makes the two clamping blocks move in the direction away from each other, and the spring is deformed. When the mounting block abuts against the upper mold, the spring resets so that the clamping block limits the mounting block, which is convenient for installation and disassembly, and easy to replace the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a uniformly heated plastic bottle cap compression molding machine proposed by the utility model;

[0016] Figure 2 A top view of a movable plate of a plastic bottle cap compression molding machine with uniform heating proposed by the utility model;

[0017] Figure 3 For the utility model Figure 1 A is an enlarged structural diagram of FIG.

[0018] Legend:

[0019] Bottom plate 1, fixed column 2, top plate 3, cylinder 4, movable plate 5, upper die 6, lower die 7, cavity 8, connecting pipe 9, corrugated telescopic pipe 10, tee pipe 11, recovery pipe 12, air outlet pipe 13, air pump 14, heating box 15, air inlet pipe 16, butt joint pipe 17, block 18, slider 19, spring 20, butt joint groove 21, mounting block 22. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present 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 of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Reference Figure 1-3The utility model provides a uniformly heated plastic bottle cap compression molding machine, comprising a bottom plate 1, a bottom plate 1 having a lower mold 7 fixedly connected to the top by bolts, a symmetrically distributed fixed column 2 fixedly connected to the top of the bottom plate 1, a top plate 3 fixedly connected to the top of the fixed column 2, a cylinder 4 fixedly connected to the top of the top plate 3, and a movable plate 5 slidably connected to the fixed column 2 fixedly connected to the driving end of the cylinder 4, an upper mold 6 fixedly connected to the bottom of the movable plate 5 by bolts, a cavity 8 is provided in the upper mold 6 and the lower mold 7, a butt pipe 17 is installed on both sides of the upper mold 6 and the lower mold 7, and the butt pipe 17 is connected to the cavity 8, symmetrically distributed corrugated telescopic tubes 10 are provided on both sides of the lower mold 7, a three-way pipe 11 is fixedly connected to the bottom end of the corrugated telescopic tube 10, and the three-way pipe 11 is fixedly connected to the butt pipe 17, a connecting pipe 9 is fixedly connected to the top of the corrugated telescopic tube 10, and the connecting pipe 9 is fixedly connected to the butt pipe 17, and a heating box 15 is fixedly connected to one side of the top of the bottom plate 1, The side of the heating box 15 close to the lower mold 7 is fixedly connected to the air pump 14, the air outlet of the air pump 14 is fixedly connected to the air outlet pipe 13, and the air outlet pipe 13 is fixedly connected to the three-way pipe 11, and the other end of the three-way pipe 11 away from the lower mold 7 is fixedly connected to the recovery pipe 12, the side of the heating box 15 away from the air pump 14 is fixedly connected to the air inlet pipe 16, and the air inlet pipe 16 is fixedly connected to the recovery pipe 12, and the outer wall of the butt pipe 17 is fixedly sleeved with a mounting block 22, and the mounting block 22 is fixedly connected to the lower mold 7 is abutted, symmetrically distributed blocks 18 are clamped on both sides of the lower mold 7, symmetrically distributed sliding grooves are opened on both sides of the upper mold 6 and the lower mold 7, and sliders 19 are slidably connected to the inner walls of the sliding grooves, and the sliders 19 are fixedly connected to the blocks 18, and the sides of the two sliders 19 that are away from each other are fixedly connected to springs 20, and the other ends of the springs 20 are fixedly connected to the inner walls of the sliding grooves, and symmetrically distributed docking grooves 21 are opened on both sides of the upper mold 6 and the lower mold 7, and the docking grooves 21 are adapted to the docking tubes 17.

[0023] Working principle:

[0024] In the present application, when in use, the air pump 14 is started, and the air pump 14 transports the heated air in the heating box 15 to the three-way pipe 11 through the air outlet pipe 13. The three-way pipe 11 diverts a part of the hot air to the cavity 8 on the lower mold 7 through the lower butt joint pipe 17, and the other part is transported to the upper butt joint pipe 17 through the corrugated telescopic pipe 10 and the connecting pipe 9, and then transported to the cavity 8 on the upper mold 6, so that the upper mold 6 and the lower mold 7 are heated, and then the preheated air is discharged through another set of three-way pipes 11, and recovered to the heating box 15 through the recovery pipe 12 and the air inlet pipe 16, which is convenient for heating and improves the heating efficiency;

[0025] In the present application, when the mold is replaced, the blocks 18 on both sides are pulled to move the two blocks 18 away from each other. When the blocks 18 are disengaged from the mounting blocks 22, the docking tube 17 can be taken out, and the upper mold 6 and the lower mold 7 are removed to replace them. During installation, the docking tube 17 is pushed so that the docking tube 17 enters the docking groove 21, and the mounting blocks 22 move the two blocks 18 away from each other, and the spring 20 is deformed. When the mounting blocks 22 abut against the upper mold 6, the spring 20 is reset so that the blocks 18 limit the mounting blocks 22, which is convenient for installation and disassembly, and easy for mold replacement.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A uniformly heated plastic bottle cap compression molding machine, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a lower mold (7) by bolts, the top of the bottom plate (1) is fixedly connected to symmetrically distributed fixed columns (2), the top of the fixed columns (2) is fixedly connected to a top plate (3), the top of the top plate (3) is fixedly connected to a cylinder (4), and the driving end of the cylinder (4) is fixedly connected to a movable plate (5) slidably connected to the fixed columns (2), the bottom of the movable plate (5) is fixedly connected to an upper mold (6) by bolts, and both the upper mold (6) and the lower mold (7) are provided with A cavity (8), a butt-joint pipe (17) is installed on both sides of the upper mold (6) and the lower mold (7), and the butt-joint pipe (17) is connected to the cavity (8), and symmetrically distributed corrugated telescopic pipes (10) are provided on both sides of the lower mold (7), and the bottom end of the corrugated telescopic pipe (10) is fixedly connected to a three-way pipe (11), and the three-way pipe (11) is fixedly connected to the butt-joint pipe (17), and the top end of the corrugated telescopic pipe (10) is fixedly connected to a connecting pipe (9), and the connecting pipe (9) is fixedly connected to the butt-joint pipe (17); The outer wall of the butt-jointed pipe (17) is fixedly sleeved with a mounting block (22), and the mounting block (22) abuts against the lower die (7), and symmetrically distributed clamping blocks (18) are clamped on both sides of the lower die (7); Both sides of the upper die (6) and the lower die (7) are provided with symmetrically distributed sliding grooves, the inner walls of the sliding grooves are slidably connected with sliders (19), and the sliders (19) are fixedly connected to the clamping blocks (18); The two sliding blocks (19) are both fixedly connected to a spring (20) on one side away from each other, and the other end of the spring (20) is fixedly connected to the inner wall of the slide groove; Both sides of the upper die (6) and the lower die (7) are provided with symmetrically distributed docking grooves (21), and the docking grooves (21) are adapted to the docking tubes (17).

2. A uniformly heated plastic bottle cap compression molding machine according to claim 1, characterized in that: A heating box (15) is fixedly connected to one side of the top of the bottom plate (1), an air pump (14) is fixedly connected to the side of the heating box (15) close to the lower mold (7), an air outlet of the air pump (14) is fixedly connected to an air outlet pipe (13), and the air outlet pipe (13) is fixedly connected to a three-way pipe (11), and another end of the three-way pipe (11) away from the lower mold (7) is fixedly connected to a recovery pipe (12), and an air inlet pipe (16) is fixedly connected to the side of the heating box (15) away from the air pump (14), and the air inlet pipe (16) is fixedly connected to the recovery pipe (12).

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