Plastic particle injection molding machine

Abstract

The invention relates to a plastic particle injection molding machine. The injection molding machine comprises a feeding displacement mechanism; the hopper is arranged below the feeding displacement mechanism, an extrusion mechanism is installed on the hopper and comprises an extrusion barrel, an extrusion screw movably arranged in the extrusion barrel and an extrusion driving part rotationally connected with the extrusion screw, and a quantitative extrusion control assembly is arranged at the extrusion end of the extrusion screw; the heating and heat preservation mechanism is arranged on the extrusion mechanism; and the injection molding mechanism is connected with the extrusion mechanism and comprises an injection molding driving mechanism and an injection molding cooling mechanism connected with the injection molding driving mechanism. By adopting the quantitative extrusion control assembly, the injection molding process is accurately controlled, and the situation that the injection molding operation on one side cannot be stopped in time after the injection molding operation is completed, and the next injection molding operation is affected is avoided; the heating and heat preservation mechanism is arranged, so that the plastic particles are kept within a proper injection molding temperature, and the injection molding effect is improved; and through the arrangement of the injection molding cooling mechanism, the injection-molded product is rapidly cooled and molded, and the molding effect is improved.

Description

Technical Field

[0001] The main body relates to a plastic granule injection molding machine. Background Art

[0002] Injection molding utilizes the thermophysical properties of plastics to plasticize, melt and homogenize the material, then inject it into the mold cavity, and then pressurize, cool, solidify and shape the molten material into a finished product. Existing injection molding machines have poor extrusion effects during injection molding operations, making it difficult to mold the product and affecting the injection molding operation. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a plastic granule injection molding machine, which has the advantage of good injection molding effect.

[0004] To achieve the above object, the technical solution of the present invention is as follows:

[0005] A plastic granule injection molding machine comprises: a feeding displacement mechanism; a hopper arranged below the feeding displacement mechanism, an extrusion mechanism is installed on the hopper, the extrusion mechanism comprises: an extrusion barrel, an extrusion screw movably arranged in the extrusion barrel, and an extrusion drive member rotatably connected to the extrusion screw, a quantitative extrusion control component is provided at the extrusion end of the extrusion screw; a heating and heat preservation mechanism arranged on the extrusion mechanism; and an injection molding mechanism connected to the extrusion mechanism, the injection molding mechanism comprises: an injection molding drive mechanism, and an injection molding cooling mechanism connected to the injection molding drive mechanism.

[0006] As a preferred solution of the present invention, the feeding displacement mechanism includes: a feed pipe, a feed slide rail connected to the feed pipe, and a feed drive cylinder connected to the feed pipe, and a feed control valve is installed on the feed pipe.

[0007] To implement the above technical solution, feeding operation is performed by setting a feeding pipe.

[0008] As a preferred solution of the present invention, the extrusion drive member is arranged in the form of a drive motor, and a feed control member is installed on the extrusion drive member, and the feed control member includes: a central control module, and a temperature control module connected to the central control module, and the temperature control module monitors the injection temperature of the injection molding machine.

[0009] By implementing the above technical solution and setting the temperature control module, the plastic particles can be better injected.

[0010] As a preferred solution of the present invention, the quantitative extrusion control component includes: a control board, a control switch connected to the control board, and a flow meter connected to the control switch, and the flow meter monitors the injection flow of the injection molding machine.

[0011] The above technical solution is implemented, and the injection molding process is controlled by controlling the switch.

[0012] As a preferred solution of the present invention, the heating and heat-insulating mechanism comprises: a heating tube arranged in the extrusion barrel, a heat-insulating tube arranged on the outer surface of the extrusion barrel, and a heat-insulating layer coated on the heat-insulating tube.

[0013] To implement the above technical solution, the heating tube and the insulation tube cooperate with each other to keep the temperature in the extrusion barrel at a suitable temperature for the injection molding operation.

[0014] As a preferred solution of the present invention, the injection driving mechanism includes: a driving actuator, an actuator plate connected to the driving actuator, an injection plate arranged on the actuator plate, an injection driving rod connected to the injection plate, a movable mold plate connected to the injection driving rod, and a fixed mold plate matched with the movable mold plate, the fixed mold plate is fixedly arranged close to the extrusion screw, and flow channels are provided on the movable mold plate and the fixed mold plate.

[0015] To implement the above technical solution, the actuator is driven to control the moving template to perform injection molding in the direction of the fixed template.

[0016] As a preferred solution of the present invention, the injection driving rod comprises: an injection rod, a lifting cylinder arranged on the injection rod, and the lifting cylinder and the movable template.

[0017] As a preferred solution of the present invention, the injection molding cooling mechanism comprises: a cooling channel, a water pump connected to the cooling channel, and the water pump is connected to a plate radiator.

[0018] To implement the above technical solution,

[0019] As a preferred solution of the present invention, a first feed nozzle and a second feed nozzle are provided in the hopper, and a partition baffle is provided between the first feed nozzle and the second feed nozzle.

[0020] To implement the above technical solution, the first feed nozzle and the second feed nozzle cooperate with each other to improve the flexibility and convenience of feeding.

[0021] In summary, the present invention has the following beneficial effects:

[0022] By adopting the setting of quantitative extrusion control components, the injection molding process can be accurately controlled to avoid the failure to stop in time after the injection molding operation on one side is completed, which will affect the next injection molding operation; the setting of heating and heat preservation mechanism can keep the plastic particles within the appropriate injection molding temperature to improve the injection molding effect; the setting of injection molding cooling mechanism can quickly cool the product after injection molding to improve the molding effect.

[0023] By adopting the setting of quantitative extrusion control components, the injection molding process can be accurately controlled to avoid the failure to stop in time after the injection molding operation on one side is completed, which will affect the next injection molding operation; the setting of heating and heat preservation mechanism can keep the plastic particles within the appropriate injection molding temperature to improve the injection molding effect; the setting of injection molding cooling mechanism can quickly cool the product after injection molding to improve the molding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the process structure of the present invention.

[0026] Figure 2 It is a schematic diagram of the structure of the extrusion mechanism of the present invention.

[0027] Figure 3 It is a schematic diagram of the structure of the quantitative extrusion control component of the present invention. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example

[0030] A plastic pellet injection molding machine, such as Figures 1 to 3 As shown, it includes: a feeding displacement mechanism; a hopper arranged below the feeding displacement mechanism, on which an extrusion mechanism is installed, the extrusion mechanism includes: an extrusion barrel, an extrusion screw movably arranged in the extrusion barrel, and an extrusion drive member rotatably connected to the extrusion screw, a quantitative extrusion control component is provided at the extrusion end of the extrusion screw; and an injection molding mechanism connected to the extrusion mechanism.

[0031] The injection molding mechanism includes: an injection driving mechanism and an injection cooling mechanism connected to the injection driving mechanism.

[0032] The feeding displacement mechanism comprises: a feeding pipe, a feeding slide rail connected to the feeding pipe, and a feeding driving cylinder connected to the feeding pipe, and a feeding control valve is installed on the feeding pipe.

[0033] A first feed nozzle and a second feed nozzle are arranged in the hopper, and a partition baffle is arranged between the first feed nozzle and the second feed nozzle.

[0034] The partition baffle is slidably installed in the hopper, and the material head is fed through the feeding pipe. The first feeding nozzle and the second feeding nozzle can feed two plastic particles of different colors separately or simultaneously.

[0035] Specifically, the extrusion drive member is provided in the form of a drive motor, and a feed control member is installed on the extrusion drive member. The feed control member includes: a central control module, and a temperature control module connected to the central control module. The temperature control module monitors the injection temperature of the injection molding machine.

[0036] The temperature control module transmits the detected signal to the central control module, which in turn transmits the signal to the extrusion drive component, so that the extrusion drive component can perform precise injection molding.

[0037] Furthermore, the quantitative extrusion control component includes: a control board, a control switch connected to the control board, and a flow meter connected to the control switch.

[0038] When the plastic particles enter the extruder, the flow meter monitors the injection flow of the injection molding machine. When the flow meter detects that the injection is completed or the flow reaches the maximum, the control panel blocks downward to stop the plastic particles in the extruder from moving forward.

[0039] In order to ensure the molding effect of plastic particles, a heating and heat preservation mechanism is provided on the extrusion mechanism, which includes: a heating pipe arranged in the extrusion barrel, a heat preservation pipe arranged on the outer surface of the extrusion barrel, and a heat insulation layer coated on the heat preservation pipe.

[0040] The injection molding drive mechanism includes: a driving actuator, an execution plate connected to the driving actuator, an injection molding plate arranged on the execution plate, an injection molding drive rod connected to the injection molding plate, a movable mold plate connected to the injection molding drive rod, and a fixed mold plate matched with the movable mold plate. The fixed mold plate is fixedly arranged close to the extrusion screw, and flow channels are provided on the movable mold plate and the fixed mold plate.

[0041] Injection molding process: drive the actuator to control the actuator plate, so that the movable mold plate and the fixed mold plate move relative to each other, so that the molten plastic enters the flow channel and performs the molding operation; the injection molding drive rod further controls the injection molding process. The injection molding drive rod includes: an injection molding rod, a lifting cylinder arranged on the injection molding rod, and the lifting cylinder and the movable mold plate.

[0042] Finally, the injection molding cooling mechanism includes: a cooling channel, a water pump connected to the cooling channel, and the water pump is connected to a plate radiator.

[0043] By adopting the setting of quantitative extrusion control components, the injection molding process can be accurately controlled to avoid the failure to stop in time after the injection molding operation on one side is completed, which will affect the next injection molding operation; the setting of heating and heat preservation mechanism can keep the plastic particles within the appropriate injection molding temperature to improve the injection molding effect; the setting of injection molding cooling mechanism can quickly cool the product after injection molding to improve the molding effect.

[0044] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A plastic granule injection molding machine, characterized in that: include: Feeding displacement mechanism; A hopper is arranged below the feeding displacement mechanism, and an extrusion mechanism is installed on the hopper, and the extrusion mechanism comprises: an extrusion barrel, an extrusion screw movably arranged in the extrusion barrel, and an extrusion drive member rotatably connected to the extrusion screw, and a quantitative extrusion control component is arranged at the extrusion end of the extrusion screw; a heating and heat preservation mechanism provided on the extrusion mechanism; and The injection molding mechanism is connected to the extrusion mechanism, and the injection molding mechanism includes: an injection driving mechanism and an injection cooling mechanism connected to the injection driving mechanism.

2. A plastic granule injection molding machine according to claim 1, characterized in that: The feeding displacement mechanism comprises: a feeding pipe, a feeding slide rail connected to the feeding pipe, and a feeding drive cylinder connected to the feeding pipe, and a feeding control valve is installed on the feeding pipe.

3. A plastic granule injection molding machine according to claim 1, characterized in that: The extrusion drive member is provided in the form of a drive motor, and a feed control member is installed on the extrusion drive member. The feed control member comprises: a central control module, and a temperature control module connected to the central control module, and the temperature control module monitors the injection temperature of the injection molding machine.

4. A plastic granule injection molding machine according to claim 1, characterized in that: The quantitative extrusion control component includes: a control panel, a control switch connected to the control panel, and a flow detector connected to the control switch, wherein the flow detector monitors the injection flow of the injection molding machine.

5. A plastic granule injection molding machine according to claim 1, characterized in that: The heating and heat-insulating mechanism comprises: a heating tube arranged in the extrusion tube, a heat-insulating tube arranged on the outer surface of the extrusion tube, and a heat-insulating layer coated on the heat-insulating tube.

6. A plastic granule injection molding machine according to claim 1, characterized in that: The injection driving mechanism includes: a driving actuator, an execution plate connected to the driving actuator, an injection plate arranged on the execution plate, an injection driving rod connected to the injection plate, a movable template connected to the injection driving rod, and a fixed template matched with the movable template, the fixed template is fixedly arranged close to the extrusion screw, and flow channels are provided on the movable template and the fixed template.

7. A plastic granule injection molding machine according to claim 6, characterized in that: The injection driving rod comprises: an injection rod, a lifting cylinder arranged on the injection rod, and the lifting cylinder and the movable template.

8. A plastic granule injection molding machine according to claim 1, characterized in that: The injection molding cooling mechanism comprises: a cooling channel, a water pump connected to the cooling channel, and the water pump is connected to a plate radiator.

9. A plastic granule injection molding machine according to claim 1, characterized in that: A first feed nozzle and a second feed nozzle are arranged in the hopper, and a partition baffle is arranged between the first feed nozzle and the second feed nozzle.

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