Injection molding machine for plastic bottle cap processing

Abstract

The utility model discloses an injection molding machine for plastic bottle cap processing, and relates to the technical field of plastic bottle cap production. The die comprises a rotating disc, die cores, an outer die sleeve and a cooling sleeve, base plates are fixed to the edge of the top end of the rotating disc in an annular array mode, the die cores are fixed to the center of the top end of each base plate, the outer die sleeve is arranged above one die core, the bottom end of the outer die sleeve is open, and the top end of the outer die sleeve is closed. A heat preservation pipe fixedly communicates with the center of the top end of the outer die sleeve, a cooling sleeve is fixed to the peripheral side of the heat preservation pipe, the bottom of the cooling sleeve is open, and a ventilation pipe fixedly communicates with one side of the cooling sleeve. Through the arrangement of the rotating disc, the mold core, the outer mold sleeve and the cooling sleeve, the problems that the production efficiency of bottle caps is influenced due to slow solidification of materials in the injection molding process of an injection molding machine for plastic bottle caps, and the production cycle of single bottle caps is longer due to the fact that the working clearance in the mold production process is longer are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plastic bottle cap production technical field, especially, relate to a kind of injection molding machine of plastic bottle cap processing. BACKGROUND

[0002] Plastic bottle cap is widely used in the packaging of food, beverage, cosmetics, pharmaceutical and other industries, different industries have different requirements for bottle cap, for example, food bottle cap needs to have good sealing and hygiene, beverage bottle cap needs to be easy to open and close, and pharmaceutical bottle cap needs to have anti-tamper function, injection molding machine is the core equipment of injection molding production, which is used for injection molding by cooperating with mold, and bottle cap production is completed, but it still has the following problems in actual use:

[0003] During the injection molding production of the injection molding machine for plastic bottle cap, the raw materials are directly delivered to the mold to be injected, and during the operation, the molding needs to wait for a certain time to make the temperature of the injection material drop and then solidify, and then demolding is performed, the material temperature drops slowly during the work process, the demolding efficiency is low, and the production efficiency of bottle cap is affected;

[0004] During the direct production of the injection molding machine for plastic bottle cap, after injection molding is completed, the mold needs to be stopped and then delivered to the demolding equipment for demolding, and the idle time of the mold is long during work, which causes long work gap and longer production cycle of single bottle cap. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an injection molding machine for plastic bottle cap processing, which is provided with a rotating disc, a mold core, an outer mold sleeve and a cooling sleeve, to solve the problem of slow material solidification during injection molding of the injection molding machine for plastic bottle cap, which affects the production efficiency of bottle cap, and the long work gap in mold production, which causes longer production cycle of single bottle cap.

[0006] To solve the above technical problems, the utility model is implemented by the following technical scheme:

[0007] The utility model is an injection molding machine for plastic bottle cap processing, which comprises a rotating disc, a mold core, an outer mold sleeve and a cooling sleeve, the top edge of the rotating disc is fixed with a bottom disc in a ring array, the top center of each bottom disc is fixed with a mold core, an outer mold sleeve is arranged above one mold core, the bottom end of the outer mold sleeve is arranged in an open manner, the top end is arranged in a closed manner, and the top center of the outer mold sleeve is fixedly connected with a heat preservation pipe, the periphery of the heat preservation pipe is fixed with a cooling sleeve, the bottom of the cooling sleeve is arranged in an open manner, and one side of the cooling sleeve is fixedly connected with an air pipe, during work, the mold core is connected to the ground through the bottom disc on the rotating disc, the inner molding of bottle cap is performed through the mold core, the surface molding of bottle cap is performed through the outer mold sleeve, and the cooling sleeve is used for cooling the outer mold sleeve during work after air is blown into it, so that the bottle cap is quickly formed.

[0008] Further, the lower side of the rotating disc is provided with a cam divider, one side of the cam divider is fixed with a driving motor, the output end of the driving motor is connected with the input end of the cam divider, and the output end of the cam divider is connected with the bottom end center of the rotating disc.

[0009] Further, the top end of the mold core is provided with an injection molding groove, the peripheral side of the mold core is provided with a spiral thread groove, and the top end of the bottom disc outside the mold core is provided with a sealing groove.

[0010] Further, the bottom end of the outer mold sleeve is fixedly connected with a sealing ring, the sealing ring is located below the sealing groove on the bottom disc, and the bottom end of the heat preservation tube is flush with the inner top surface of the outer mold sleeve.

[0011] Further, the top center of the cooling sleeve is fixedly connected with a fixing cylinder, the inner wall of the fixing cylinder is fixedly connected with a connecting disc, and the connecting disc is fixedly connected with the peripheral side of the heat preservation tube.

[0012] Further, the top of the connecting disc is provided with an electric push rod, and the piston rod bottom end of the electric push rod is fixedly connected with the connecting disc.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] The utility model discloses a rotating disc, a mold core, an outer mold sleeve and a cooling sleeve are arranged, solve the problem that material solidification is slow in the injection molding of the injection molding machine of plastic bottle cap and influence the production efficiency of bottle cap, when injection molding operation is carried out, start electric push rod drive connecting disc, drive outer mold sleeve and cooling sleeve to descend, make the outer mold sleeve press to the bottom disc, then carry out injection molding operation, in the process of injection molding operation, air is continuously conveyed to the cooling sleeve through the air pipe, blows to the outer mold sleeve, blows out through the gap between the outer mold sleeve and the rotating disc, makes the material of injection molding in the outer mold sleeve solidify and form rapidly, can separate quickly, and the production efficiency of bottle cap is increased.

[0015] The utility model discloses a rotating disc, mould core and outer mould cover are set up, solved the longer work gap in the mould production in the injection molding machine injection molding of plastic bottle cap, cause the longer production cycle of single bottle cap, through the injection molding groove and the thread groove of mould core form the convex ring and internal thread of bottle cap, complete injection molding, after injection molding, after the complete separation of outer mould cover and mould core, rotating disc rotates to the next mould core setting below outer mould cover, when the bottle cap formed on mould core moves below the unloading equipment outside, unloading is carried out, completes the work cycle, makes the shorter work gap in the mould production in the injection molding machine injection molding of plastic bottle cap, reduces the time required in single bottle cap production cycle. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is a kind of plastic bottle cap processing injection molding machine assembly structure perspective view;

[0018] Figure 2 It is rotating disc structure perspective view;

[0019] Figure 3 It is mould core structure perspective view;

[0020] Figure 4 It is outer mould cover upside-down structure perspective view;

[0021] Figure 5 It is cooling jacket structure perspective view.

[0022] Reference signs:

[0023] 1, rotating disc;101, cam divider;102, drive motor;2, mould core;201, injection molding groove;202, thread groove;203, base plate;204, sealing groove;3, outer mould cover;301, sealing ring;302, heat preservation pipe;4, cooling jacket;401, air pipe;402, fixed cylinder;403, connecting disc;404, electric push rod. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without creative labor belong to the scope of the utility model protection. Embodiment one

[0025] Please refer to Figures 1-4 The utility model discloses a kind of injection molding machines for plastic bottle cap processing, including rotary disc 1, mould core 2, outer mould jacket 3 and cooling jacket 4, the top edge of rotary disc 1 is annular array fixed with bottom disc 203, rotary disc 1 is fixed with bottom disc 203 when working, mould core 2 is fixed on it by bottom disc 203, the top end of each bottom disc 203 is fixed with mould core 2, the inner wall of bottle cap is formed by mould core 2 cooperation, the top of a mould core 2 is provided with outer mould jacket 3, the bottom of outer mould jacket 3 is provided with top closed setting and is provided with top closed setting, the surface of bottle cap is formed by outer mould jacket 3, and the top center of outer mould jacket 3 is fixedly connected with heat preservation tube 302, when working, the top of heat preservation tube 302 is communicated with the pipeline of conveying injection molding bottle cap material, so that when working, cooperate and convey the material of injection molding to the gap between mould core 2 and outer mould jacket 3, while the remaining material in heat preservation tube 302 is heat preserved, to prevent material condensation, the periphery of heat preservation tube 302 is fixed with cooling jacket 4, air is passed in cooling jacket 4, and the cooling operation of injection molding outer mould jacket 3 is carried out, the bottom of cooling jacket 4 is provided with top opening setting, and one side of cooling jacket 4 is fixedly connected with breather pipe 401, one end of breather pipe 401 away from cooling jacket 4 is communicated with the pipeline of conveying high pressure air, and air is conveyed into cooling jacket 4 to cool outer mould jacket 3.

[0026] Specifically, the bottom of rotary disc 1 is provided with cam divider 101, one side of cam divider 101 is fixed with driving motor 102, the output end of driving motor 102 is connected with the input end of cam divider 101, and the output end of cam divider 101 is connected with the bottom center of rotary disc 1, when rotary disc 1 works, driving motor 102 drives cam divider 101 to work, and rotary disc 1 is driven to rotate intermittently.

[0027] Further, the top of mould core 2 is provided with injection molding groove 201, the periphery of mould core 2 is provided with helical thread groove 202, and the top of bottom disc 203 outside mould core 2 is provided with sealing groove 204, when mould core 2 works, the convex ring at the top of bottle cap is determined by injection molding groove 201, and the thread in bottle cap is formed after injection molding through thread groove 202, and bottom disc 203 is movably connected with sealing ring 301 through sealing groove 204.

[0028] Further, the bottom of outer mould jacket 3 is fixed with sealing ring 301, sealing ring 301 is correspondingly positioned in sealing groove 204 on the bottom disc 203 below outer mould jacket 3, and the bottom of heat preservation tube 302 is flush with the inner top surface of outer mould jacket 3, when outer mould jacket 3 works, after outer mould jacket 3 descends to the top of bottom disc 203, sealing ring 301 is embedded in sealing groove 204 on bottom disc 203, and the gap between bottom disc 203 and outer mould jacket 3 is closed.

[0029] The operation process of the embodiment is as follows: in operation, the driving motor 102 is started, the driving motor 102 drives the cam divider 101 to rotate, the rotating disc 1 is driven to rotate through the rotation of the cam divider 101, the corresponding mold core 2 is arranged directly below the outer mold sleeve 3 through the rotation of the rotating disc 1, when running, the outer mold sleeve 3 is lowered to the base plate 203, the sealing ring 301 on the outer mold sleeve 3 is pressed into the sealing groove 204 on the base plate 203, the space between the base plate 203 and the outer mold sleeve 3 is sealed, the material for injection molding is transported to the space between the outer mold sleeve 3 and the mold core 2 through the heat preservation pipe 302 to perform injection molding, the convex ring and the internal thread in the bottle cap are formed through the injection molding groove 201 and the threaded groove 202 of the mold core 2, the injection molding is completed, after the injection molding, the outer mold sleeve 3 is completely separated from the mold core 2, the rotating disc 1 is rotated to the next mold core 2 arranged below the outer mold sleeve 3, when the molded bottle cap on the mold core 2 moves to the lower part of the external unloading device, the unloading is performed, and the work cycle is completed. Specific embodiment two

[0030] Please refer to Figure 1 , 4 , 5, on the basis of the specific embodiment one, the top center of the cooling sleeve 4 is fixed with a fixed cylinder 402, the inner wall of the fixed cylinder 402 is fixed with a connecting disc 403, the connecting disc 403 is fixed on the side of the heat preservation pipe 302, when the cooling sleeve 4 works, the fixed cylinder 402 is connected with the connecting disc 403, the fixed cylinder 402 is connected with the electric push rod 404 through the connecting disc 403.

[0031] Specifically, the electric push rod 404 is arranged above the connecting disc 403, the piston rod bottom end of the electric push rod 404 is fixed with the connecting disc 403, in operation, the connecting disc 403 is driven to ascend and descend by the electric push rod 404, the outer mold sleeve 3 and the cooling sleeve 4 are driven to ascend and descend, the top end of the electric push rod 404 is fixed with an external supporting structure.

[0032] The operation process of the embodiment is as follows: in operation, when the injection molding operation is performed, the electric push rod 404 is started to drive the connecting disc 403, the outer mold sleeve 3 and the cooling sleeve 4 are lowered, the outer mold sleeve 3 is pressed to the base plate 203, the injection molding operation is performed, in the process of the injection molding operation, the air is continuously transported to the cooling sleeve 4 through the air pipe 401, is blown into the outer mold sleeve 3, is blown out through the gap between the outer mold sleeve 3 and the rotating disc 1, the material for injection molding in the outer mold sleeve 3 is rapidly molded, the outer mold sleeve 3 can be rapidly separated, and the production efficiency of the bottle cap is increased.

[0033] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. An injection molding machine for processing plastic bottle caps, comprising a rotating disk (1), a mold core (2), an outer mold sleeve (3), and a cooling sleeve (4), characterized in that: The rotating disk (1) has a base plate (203) fixed in a ring array at the top edge. Each base plate (203) has a mold core (2) fixed at the top center. An outer mold sleeve (3) is provided above one of the mold cores (2). The bottom end of the outer mold sleeve (3) is open and the top end is closed. A heat insulation pipe (302) is fixedly connected to the top center of the outer mold sleeve (3). A cooling sleeve (4) is fixed around the heat insulation pipe (302). The bottom of the cooling sleeve (4) is open and a vent pipe (401) is fixedly connected to one side of the cooling sleeve (4).

2. The injection molding machine for processing plastic bottle caps according to claim 1, characterized in that: A cam divider (101) is provided below the rotating disk (1). A drive motor (102) is fixed on one side of the cam divider (101). The output end of the drive motor (102) is connected to the input end of the cam divider (101). The output end of the cam divider (101) is connected to the center of the bottom end of the rotating disk (1).

3. The injection molding machine for processing plastic bottle caps according to claim 1, characterized in that: The top of the mold core (2) is provided with an injection groove (201), the periphery of the mold core (2) is provided with a spiral thread groove (202), and the top of the base (203) on the outer side of the mold core (2) is provided with a sealing groove (204).

4. The injection molding machine for processing plastic bottle caps according to claim 3, characterized in that: The bottom end of the outer mold sleeve (3) is fixed with a sealing ring (301). The sealing ring (301) corresponds to the sealing groove (204) on the chassis (203) directly below the outer mold sleeve (3). The bottom end of the heat insulation pipe (302) is flush with the inner top surface of the outer mold sleeve (3).

5. The injection molding machine for processing plastic bottle caps according to claim 1, characterized in that: A fixing cylinder (402) is fixed at the top center of the cooling sleeve (4), and a connecting plate (403) is fixed on the upper part of the inner wall of the fixing cylinder (402). The connecting plate (403) is fixed on the periphery of the heat insulation pipe (302).

6. The injection molding machine for processing plastic bottle caps according to claim 5, characterized in that: An electric push rod (404) is provided above the connecting plate (403), and the bottom end of the piston rod of the electric push rod (404) is fixed to the connecting plate (403).

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