Injection mold for producing knob threaded cap

Abstract

The utility model relates to the technical field of knob threaded caps, in particular to an injection mold for producing knob threaded caps, which comprises a bearing table, an injection molding rod and a mold core, the top end of the bearing table is fixedly connected with a trapezoidal supporting table, the top end of the supporting table is fixedly connected with a fixed table, and a cylindrical cavity is arranged in the fixed table. A fixed mold is rotatably connected to the interior of the mold cavity, a mold cavity is formed in the fixed mold, the tail end of the long-rod-shaped injection molding rod is fixedly connected with a disc-shaped push plate, the outer side of the injection molding rod is fixedly connected with a baffle, and a spring is arranged at the position, between the baffle and the fixed table, of the outer side of the injection molding rod. Through the arrangement of the fixed table, the cavity, the fixed mold, the motor, the gear, the mold core, the support and the hydraulic cylinder, the cooled threaded cover needing to be demolded can be demolded, the gear driven by the motor drives the fixed mold to rotate in the cavity, the hydraulic cylinder shrinks, the mold core is separated from the interior of the threaded cover, and demolding of the molded threaded cover is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of knob thread covers, in particular to an injection mold for producing knob thread covers. Background Art

[0002] Knob threaded caps are generally produced with polystyrene as raw material. Polystyrene is a thermoplastic plastic. Polystyrene is polymerized from polyethylene. Polystyrene is a colorless, transparent, non-toxic and odorless material with a relatively small molecular weight. It is often used as a packaging container for food and beverages. When making knob threaded caps, polystyrene needs to be heated and produced through injection molding and other processes. The molded threaded caps have low fluidity and high yield, but are prone to cracks.

[0003] When making the knob threaded cover, the injection molding process is adopted. Due to the particularity of the threaded cover, the threaded cover cannot fall off from the mold by itself after being molded, and demolding is difficult. Secondly, after the threaded cover falls off from the mold after demolding, there is no collection device to collect the threaded cover, and the threaded cover after demolding is scattered everywhere. Therefore, in view of the above problems, an injection mold for producing knob threaded cover is proposed. Utility Model Content

[0004] The utility model aims to provide an injection mold for producing a knob thread cover to solve the problems raised in the above background technology.

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

[0006] A kind of injection mold for producing knob threaded cover comprises a bearing platform, an injection molding rod and a core, the top of the bearing platform is fixedly connected with a trapezoidal supporting platform, the top of the supporting platform is fixedly connected with a fixed platform, a cylindrical cavity is arranged inside the fixed platform, a fixed film is rotatably connected inside the cavity, a mold cavity is arranged inside the fixed film, a disc-shaped push plate is fixedly connected to the end of the long rod type injection molding rod, a baffle is fixedly connected to the outside of the injection molding rod, a spring is arranged on the outside of the injection molding rod between the baffle and the fixed platform, a motor is fixedly connected to the top of the fixed platform, a gear meshing with the fixed film is fixedly connected to the output end of the motor, a bracket in a vertical state is fixedly connected to the top of the bearing platform, a hydraulic cylinder arranged vertically with the bracket is fixedly connected to the top of the bracket, one end of the hydraulic cylinder is fixedly connected with a connecting rod, the end of the connecting rod away from the hydraulic cylinder is fixedly connected with a circular sealing plate, and the other side of the sealing plate is fixedly connected with a core.

[0007] Preferably, the top of the carrier platform is fixedly connected with a collection port between the support platform and the bracket, the top of the carrier platform is provided with a discharge port that passes through the carrier platform, the bottom of the carrier platform is fixedly connected with L-shaped slides on both sides of the discharge port, and a collection box is slidably connected between the two slides.

[0008] Preferably, the injection rod and the fixed film are rotatably connected, and the push plate is tightly fitted to one end of the inside of the mold cavity.

[0009] Preferably, the fixed membrane is cylindrical, and teeth are provided on the outer side of the fixed membrane located on the fixed platform.

[0010] Preferably, the feed opening is located at the inner bottom end of the collecting opening.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the fixed table, cavity, fixed film, motor, gear, core, bracket and hydraulic cylinder are provided, so that the threaded cap that needs to be demolded after cooling can be demolded. The gear driven by the motor drives the fixed film to rotate in the cavity, the hydraulic cylinder contracts, and the core is separated from the inside of the threaded cap, so as to realize the demolding of the threaded cap after molding;

[0013] 2. In the utility model, the threaded caps after demoulding can be collected by means of the injection molding rod, baffle, spring, push plate, collection port, discharge port and collection box. The push plate pushes the threaded caps out of the mold cavity under the push of the injection molding rod. After the threaded caps leave the mold cavity, they fall into the collection port under the action of gravity and enter the collection box through the discharge port. The arrangement of the collection port can prevent the threaded caps from being scattered to other places on the surface of the carrier platform, and can gather and collect the threaded caps. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 For this utility model Figure 1 A schematic diagram of the structure at A;

[0016] Figure 3 This is a schematic diagram of the push plate structure of the utility model.

[0017] In the figure: 1. Carrying platform; 2. Support platform; 3. Fixed platform; 4. Cavity; 5. Fixed film; 6. Mold cavity; 7. Injection rod; 8. Push plate; 9. Baffle; 10. Spring; 11. Motor; 12. Gear; 13. Bracket; 14. Hydraulic cylinder; 15. Connecting rod; 16. Sealing plate; 17. Core; 18. Collecting port; 19. Discharging port; 20. Slide; 21. Collecting box. DETAILED DESCRIPTION

[0018] 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.

[0019] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] A kind of injection mold for producing knob thread cover comprises a bearing platform 1, an injection rod 7 and a core 17, the bearing platform 1 is fixedly connected with a trapezoidal support platform 2 on the top, the support platform 2 is fixedly connected with a fixed platform 3 on the top, a cylindrical cavity 4 is arranged inside the fixed platform 3, a fixed film 5 is rotatably connected inside the cavity 4, a mold cavity 6 is arranged inside the fixed film 5, a disc-shaped push plate 8 is fixedly connected to the end of the long rod injection rod 7, a baffle 9 is fixedly connected to the outside of the injection rod 7, a spring 10 is arranged between the baffle 9 and the fixed platform 3 on the outside of the injection rod 7, a motor 11 is fixedly connected to the top of the fixed platform 3, a gear 12 meshing with the fixed film 5 is fixedly connected to the output end of the motor 11, a bracket 13 in a vertical state is fixedly connected to the top of the bearing platform 1, a hydraulic cylinder 14 arranged vertically with the bracket 13 is fixedly connected to the top of the bracket 13, a connecting rod 15 is fixedly connected to one end of the hydraulic cylinder 14, a circular sealing plate 16 is fixedly connected to the end of the connecting rod 15 away from the hydraulic cylinder 14, and a core 17 is fixedly connected to the other side of the sealing plate 16.

[0023] The top of the carrier platform 1 is located between the support platform 2 and the bracket 13 and is fixedly connected with a collecting port 18. The top of the carrier platform 1 is provided with a discharge port 19 that passes through the carrier platform 1. The bottom of the carrier platform 1 is located on both sides of the discharge port 19 and is fixedly connected with an L-shaped slide 20. A collecting box 21 is slidably connected between the two slides 20. The injection rod 7 and the fixed film 5 are rotatably connected, and the push plate 8 is tightly fitted to one end of the inside of the mold cavity 6. The fixed film 5 is cylindrical, and teeth are provided on the outside of the fixed film 5 located on the fixed platform 3. The discharge port 19 is located at the inner bottom end of the collecting port 18.

[0024] Workflow: Before using the device, it is first installed in a suitable position, and the external power supply provides power to the electrical equipment of the device. The molten polystyrene is input into the injection rod 7 through the external device. The bottom of the carrier 1 has legs to support the entire device. The top of the carrier 1 has a support platform 2 to support the fixed platform 3. There is a cavity 4 inside the fixed platform 3. The fixed film 5 rotates in the cavity 4. The fixed film 5 is provided with a mold cavity 6 inside. The injection rod 7 passes through the fixed platform 3 and enters the fixed film 5. A push plate 8 is provided at one end of the injection rod 7. The push plate 8 is embedded in one end of the mold cavity 6. A baffle plate 9 is fixed on the outside of the injection rod 7, and a spring 10 is provided between the baffle plate 9 and the fixed platform 3. Under the action of the spring 10, the injection rod 7 will pull the push plate 8 and tightly attach the push plate 8 to the inside of the mold cavity 6. The motor 11 is fixed on the top of the fixed platform 3, and the gear 12 is fixedly connected to the output end of the motor 11. The gear 12 is meshed with the teeth on the outside of the fixed film 5. The fixed film 5 can rotate in the mold cavity 4 under the drive of the motor 11. A bracket 13 is also fixed on the top of the carrier 1, and a hydraulic cylinder 14 is fixed on the top of the bracket 13. A connecting rod 15 is fixed at one end of the hydraulic cylinder 14 to connect A sealing plate 16 for sealing is fixed at the other end of the rod 15, and a core 17 is fixed on the other side of the sealing plate 16. When a threaded cap needs to be produced, the core 17 enters the interior of the mold cavity 6 under the action of the hydraulic cylinder 14, and the sealing plate 16 fits tightly against the outside of the fixed film 5. The hollow injection rod 7 injects molten raw materials into the mold cavity 6. After cooling, the molded threaded cap is formed. At this time, the motor 11 is started, and the motor 11 drives the gear 12 to rotate. The fixed film 5 rotates in the mold cavity 4 under the action of the gear 12. At the same time, the hydraulic cylinder 14 drives the core 17 to withdraw from the fixed film 5. Since the threaded cap will be threadedly connected with the core 17, after the fixed film 5 rotates and the hydraulic cylinder 14 is retracted, the formed threaded cap is in the mold cavity 6, pushing the injection rod 7, the baffle 9 compresses the spring 10, the injection rod 7 drives the push plate 8 to move, and the push plate 8 pushes the threaded cap out of the mold cavity 6. After leaving the mold cavity 6, the threaded cap falls into the collecting port 18 under the action of gravity, passes through the discharge port 19 and enters the collecting box 21. When the collecting box 21 collects a certain amount of threaded caps, the collecting box 21 is pulled out from the two slides 20, and the empty collecting box 21 is replaced to continue collecting the threaded caps.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] 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 mold for producing a knob thread cover, comprising a carrier (1), an injection rod (7) and a core (17), characterized in that: The top of the carrier platform (1) is fixedly connected to a trapezoidal support platform (2), the top of the support platform (2) is fixedly connected to a fixed platform (3), a cylindrical cavity (4) is provided inside the fixed platform (3), a fixed film (5) is rotatably connected inside the cavity (4), a mold cavity (6) is provided inside the fixed film (5), a disc-shaped push plate (8) is fixedly connected to the end of the long rod-type injection rod (7), a baffle (9) is fixedly connected to the outside of the injection rod (7), a spring (10) is provided on the outside of the injection rod (7) between the baffle (9) and the fixed platform (3), and the fixed platform (3) ) is fixedly connected to the top of a motor (11), the output end of the motor (11) is fixedly connected to a gear (12) meshing with the fixed film (5), the top of the support platform (1) is fixedly connected to a bracket (13) in a vertical state, the top of the bracket (13) is fixedly connected to a hydraulic cylinder (14) vertically arranged with the bracket (13), one end of the hydraulic cylinder (14) is fixedly connected to a connecting rod (15), the end of the connecting rod (15) away from the hydraulic cylinder (14) is fixedly connected to a circular sealing plate (16), and the other side of the sealing plate (16) is fixedly connected to a core (17).

2. The injection mold for producing a knob thread cover according to claim 1, characterized in that: The top of the carrying platform (1) is located between the support platform (2) and the bracket (13) and is fixedly connected to a collecting port (18); the top of the carrying platform (1) is provided with a material discharge port (19) penetrating the carrying platform (1); the bottom of the carrying platform (1) is located on both sides of the material discharge port (19) and is fixedly connected to an L-shaped slide (20); and a collecting box (21) is slidably connected between the two slides (20).

3. The injection mold for producing a knob thread cover according to claim 1, characterized in that: The injection rod (7) and the fixed film (5) are rotatably connected, and the push plate (8) is tightly fitted to one end of the inside of the mold cavity (6).

4. The injection mold for producing a knob thread cover according to claim 1, characterized in that: The fixed membrane (5) is cylindrical, and teeth are provided on the outer side of the fixed membrane (5) located on the fixed platform (3).

5. The injection mold for producing a knob thread cover according to claim 2, characterized in that: The discharge port (19) is located at the inner bottom end of the collecting port (18).

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