Smashing and recycling device for material heads of automobile injection molding parts

Abstract

The utility model discloses an automobile injection molding part stub bar crushing and recycling device which is characterized in that a powder box is arranged at the bottom of a crushing mechanism and is connected to a feeding hole of a distribution mechanism; the distribution mechanism is of a two-inlet and one-outlet structure, and the other feed port of the distribution mechanism is connected to a material source; the material suction mechanism is connected to a discharge port of the distribution mechanism, and the material mixing mechanism is connected to the bottom end of the material suction mechanism; the distribution mechanism is a two-material proportional valve, the two-material proportional valve comprises a valve body, two feed ports are formed in the side part of the valve body, and a discharge port is formed in the bottom of the valve body; the side portion of the valve body is connected with a first air cylinder and a second air cylinder, and piston rods of the two air cylinders extend into the valve body and are connected with plugs. Compared with the prior art, the material head crushing device is matched with the injection molding device for use, material heads in the production process are directly crushed beside the injection molding device, are proportionally mixed with master batches in the material room, and are supplied to the injection molding device for recycling, so that the material head turnover process is omitted, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine feeding device technical field especially, it relates to a kind of automobile injection molding piece material head pulverization recycling device. BACKGROUND

[0002] Injection molding is a process that thermoplastic or thermosetting plastic is melted at high temperature, and then injected into a mold by an injection machine to cool and form. The process mainly consists of five steps: feeding, melting, injection, cooling and demolding. Plastic particles are added to the hopper of the injection machine and heated to a certain temperature to melt. Then, the melted plastic is injected into the pre-made mold under high pressure, and after cooling, the desired shape is formed. Finally, the finished product is removed from the mold. This efficient and precise processing method enables automobile manufacturing to meet market demand more quickly. Various parts of the car can be produced by injection molding, including interior and exterior trim parts, structural parts and functional parts.

[0003] During the processing of injection molded parts, runners and risers form waste heads. The existing injection molding device collects the generated material heads during operation, transports them to the pulverizer to form powder, and then the staff transports them to the material room, mixes them with master batches, and then supplies them to the injection molding device. This traditional working method greatly reduces work efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of automobile injection molding piece material head pulverization recycling device, and it is used with injection molding device, and the material head in production process is directly pulverized in injection molding device and mixed with master batch in material room according to proportion and is supplied to injection molding device to recycle repeatedly, the material head transportation process is saved, and work efficiency is greatly improved, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of automobile injection molding piece material head pulverization recycling device, including pulverization mechanism, distribution mechanism, suction mechanism and mixing mechanism;The bottom of pulverization mechanism is powder tank, and powder tank is connected to one feed port of distribution mechanism;Distribution mechanism is two-in and one-out structure, and another feed port of distribution mechanism is connected to material source;Suction mechanism is connected to the discharge port of distribution mechanism, and mixing mechanism is connected to the bottom end of suction mechanism.

[0007] Further improved scheme of the utility model is, pulverization mechanism includes pulverization box, machine stand is connected on pulverization box, first motor is connected on machine stand, and cutter shaft driven connection of first motor is connected to pulverization box.

[0008] The further improved scheme of the utility model discloses, the hopper is connected to the top of the smashing box, the powder box is connected to the bottom of the smashing box, and the bottom of the powder box is conical structure.

[0009] The further improved scheme of the utility model discloses, the distribution mechanism is two material proportioning valves, two material proportioning valves include the valve body, two feed ports are arranged at the side portion of the valve body, and the discharge port is arranged at the bottom of the valve body, the side portion of the valve body is connected with the first cylinder and the second cylinder, the piston rod of two cylinders extends into the valve body and is connected with the plug, when the first cylinder and the second cylinder extend, two plugs can block two feed ports.

[0010] The further improved scheme of the utility model discloses, the valve body is connected with the electromagnetic valve, the electromagnetic valve is connected with the gas source through the gas pipe, and the electromagnetic valve is electrically connected with the time proportioning valve controller, and the first cylinder and the second cylinder are connected with the electromagnetic valve through the gas pipe.

[0011] The further improved scheme of the utility model discloses, the bottom of the powder box is connected with one of the feed ports through the pipeline A, and the other feed port of two material proportioning valves is connected with the material room through the pipeline B.

[0012] The further improved scheme of the utility model discloses, the suction mechanism is the negative pressure suction machine, and the suction port of the negative pressure suction machine is connected with the discharge port through the pipeline C.

[0013] The further improved scheme of the utility model discloses, the mixing mechanism is the mixing box, and the outer wall of the mixing box is connected with the second motor, and the power output end of the second motor is connected with the stirring paddle, and the stirring paddle extends into the mixing box.

[0014] The further improved scheme of the utility model discloses, the outer wall of the powder box is connected with the vibration motor.

[0015] The utility model discloses have beneficial effect:

[0016] The utility model discloses automobile injection molding piece material head smashing recycling device, with injection molding device is used in pairs, and the material head in production process is directly smashed and is mixed with the master batch in material room according to the proportion and supplies injection molding device recycling and repeats, saves the material head turnover process, and greatly improves work efficiency.

[0017] The utility model discloses automobile injection molding piece material head smashing recycling device, distribution mechanism adopts two material proportioning valves, can supply injection molding device with master batch and powder according to the proportion, guarantees the quality of injection molding piece.

[0018] The utility model discloses automobile injection molding piece material head smashing recycling device, the outer wall of the powder box is connected with the vibration motor, avoids the powder in the powder box and blocks, guarantees powder box discharge more smoothly. DRAWINGS

[0019] Fig. 1The utility model discloses a whole structure schematic diagram.

[0020] Fig. 2 The utility model discloses two material proportioning valve internal structure schematic diagram.

[0021] In the drawing: 1 - pulverization mechanism, 101 - powder tank, 102 - pulverization tank, 103 - rack, 104 - first motor, 105 - hopper, 106 - vibration motor, 2 - two material proportioning valve, 201 - valve body, 202 - feed inlet, 203 - discharge port, 204 - first cylinder, 205 - second cylinder, 206 - plug, 207 - electromagnetic valve, 208 - time proportioning valve controller, 3 - negative pressure suction machine, 4 - mixing tank, 401 - second motor, 5 - pipeline A, 6 - pipeline B, 7 - pipeline C. DETAILED DESCRIPTION

[0022] The utility model discloses further illustrate in combination with the drawings and specific embodiment.

[0023] Example 1: as Figs. 1-2 The utility model discloses a kind of automobile injection molding piece material head pulverization recycling devices, including pulverization mechanism 1, distribution mechanism, suction mechanism and mixing mechanism;The bottom of pulverization mechanism 1 is powder tank 101, powder tank 101 is connected in one feed inlet 202 of distribution mechanism;Distribution mechanism is two-in-one-out structure, another feed inlet 202 of distribution mechanism is connected in material source;Suction mechanism is connected in the discharge port 203 of distribution mechanism, and mixing mechanism is connected in the bottom end of suction mechanism.

[0024] Pulverization mechanism 1 includes pulverization tank 102, pulverization tank 102 is connected with rack 103, rack 103 is connected with first motor 104, and first motor 104 is drivenly connected with cutter shaft of pulverization tank 102.

[0025] Hopper 105 is connected in the top end of pulverization tank 102, powder tank 101 is connected in the bottom of pulverization tank 102, and the bottom of powder tank 101 is conical structure.

[0026] Distribution mechanism is two material proportioning valve 2, two material proportioning valve 2 includes valve body 201, two feed inlets 202 are arranged in the side portion of valve body 201, and discharge port 203 is arranged in the bottom of valve body 201;Valve body 201 side portion is connected with first cylinder 204 and second cylinder 205, the piston rod of two cylinders extends into valve body 201 and is connected with plug 206, when first cylinder 204 and second cylinder 205 extend, two plugs 206 can block two feed inlets 202.

[0027] The valve body 201 is connected with an electromagnetic valve 207, the electromagnetic valve 207 is connected with a gas source through a gas pipe, and the electromagnetic valve 207 is electrically connected with a time proportional valve controller 208; the first cylinder 204 and the second cylinder 205 are connected with the electromagnetic valve 207 through a gas pipe.

[0028] The bottom end of the powder tank 101 is connected with one of the feeding ports 202 through a pipeline A5, and the other feeding port 202 of the two material proportional valves 2 is connected with the material room through a pipeline B6.

[0029] The material suction mechanism is a negative pressure material suction machine 3, and the material suction port of the negative pressure material suction machine 3 is connected with the discharge port 203 through a pipeline C7.

[0030] The material mixing mechanism is a material mixing box 4, and the outer wall of the material mixing box 4 is connected with a second motor 401; the power output end of the second motor 401 is connected with a stirring paddle, and the stirring paddle extends into the material mixing box 4.

[0031] In the embodiment, the above-mentioned defects can be avoided, and specifically:

[0032] The outer wall of the powder tank 101 is connected with a vibration motor 106; in the embodiment, the outer wall of the powder tank 101 is connected with the vibration motor 106, so that the powder in the powder tank 101 is prevented from being blocked, and the discharge of the powder tank 101 is ensured to be more smooth.

[0033] In addition, the embodiment is completely same as the embodiment 1, and details are not described herein.

[0034] The specific working principle of the utility model is as follows:

[0035] The utility model is used in conjunction with an injection molding device, and the injection molding device is provided with a mechanical hand for automatic feeding and discharging.

[0036] When working, the mechanical hand takes the material head from the punching mechanism of the injection molding device, and moves to above the hopper 105; the mechanical hand releases the material head, the material head falls into the hopper 105 and enters the crushing box 102, the second motor 401 works, the cutter shaft rotates, the material head is crushed into powder, and the powder falls into the powder tank 101; the negative pressure material suction machine 3 is connected with an induced draft fan, under the action of negative pressure, the powder and the master batch enter the valve body 201 from the pipeline A5 and the pipeline B6, and then enter the material bin of the negative pressure material suction machine 3 from the pipeline C7; the proportional valve controller is electrically connected with the PLC controller of the injection molding device, the first cylinder 204 and the second cylinder 205 are controlled to stretch and retract by setting the feeding time, so that the proportion of the master batch or the powder is controlled; under normal circumstances, the powder is fed for 10s, and the master batch is supplied for 30s; the master batch and the powder reach the material mixing box 4, the second motor 401 drives the stirring paddle to mix uniformly for use of the injection molding device.

[0037] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A device for recycling of sprue powder of an injection molded automobile part, characterized in that: Including the pulverization mechanism (1), the distribution mechanism, the material suction mechanism and the mixing mechanism; The bottom of the pulverization mechanism (1) is a powder tank (101), and the powder tank (101) is connected to one feeding port (202) of the distribution mechanism. The distribution mechanism is a two-in-one-out structure, and the other feeding port (202) of the distribution mechanism is connected to a material source. The material suction mechanism is connected to a discharging port (203) of the distribution mechanism, and the mixing mechanism is connected to the bottom end of the material suction mechanism.

2. The device for recycling of the flash of injection-molded automobile parts according to claim 1, characterized in that: The pulverization mechanism (1) comprises a pulverization box (102), the pulverization box (102) is connected with a rack (103), the rack (103) is connected with a first motor (104), and the first motor (104) drives a cutter shaft connected to the pulverization box (102).

3. The device according to claim 2, characterized in that it comprises: The top end of the pulverization box (102) is connected with a hopper (105), the powder tank (101) is connected to the bottom of the pulverization box (102), and the bottom of the powder tank (101) is in a conical structure.

4. The device for recycling of the flash of injection-molded automobile parts according to claim 1, characterized in that: The distribution mechanism is a two-material proportional valve (2), the two-material proportional valve (2) comprises a valve body (201), two feeding ports (202) are arranged on the side of the valve body (201), and a discharging port (203) is arranged on the bottom of the valve body (201); the side of the valve body (201) is connected with a first air cylinder (204) and a second air cylinder (205), the piston rods of the two air cylinders extend into the valve body (201) and are connected with plugs (206), when the first air cylinder (204) and the second air cylinder (205) extend, the two plugs (206) can block the two feeding ports (202).

5. The device according to claim 4, characterized in that it comprises: The valve body (201) is connected with a solenoid valve (207), the solenoid valve (207) is connected to an air source through an air pipe, and the solenoid valve (207) is electrically connected to a time proportional valve controller (208), the first air cylinder (204) and the second air cylinder (205) are connected to the solenoid valve (207) through an air pipe.

6. The device according to claim 4, characterized in that: The bottom end of the powder tank (101) is connected to one of the feeding ports (202) through a pipeline A (5), and the other feeding port (202) of the two-material proportional valve (2) is connected to a material room through a pipeline B (6).

7. The device according to claim 1, characterized in that it comprises a device for the recycling of the material heads of the injection-moulded parts of a motor vehicle. The material suction mechanism is a negative pressure material suction machine (3), and the material suction port of the negative pressure material suction machine (3) is connected to the discharging port (203) through a pipeline C (7).

8. The device according to claim 1, wherein the device is characterized by: The mixing mechanism is a mixing box (4), the outer wall of the mixing box (4) is connected with a second motor (401), the power output end of the second motor (401) is connected with a stirring paddle, and the stirring paddle extends into the mixing box (4).

9. The device according to claim 1, characterized in that: The outer wall of the powder tank (101) is connected with a vibration motor (106).

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