Plastic injection molding machine

Abstract

The utility model provides a plastic injection molding machine. The plastic injection molding machine comprises an injection molding machine body; the feeding pipe is arranged on the injection molding machine body; the filter screen is detachably mounted in the feeding pipe; the dust suction box is fixedly installed on one side of the feeding pipe, a draught fan is fixedly installed in the dust suction box, supports are fixedly installed on the inner walls of the two sides of the dust suction box, a filter bag is erected on the two supports and located over the draught fan, the top of the dust suction box is fixedly communicated with a corrugated pipe, and the corrugated pipe is fixedly communicated with the dust suction box. The air inlet end of the corrugated pipe extends into the feeding pipe and is provided with a gettering hopper, and the gettering hopper is located over the filter screen. The plastic injection molding machine provided by the utility model has the advantages that impurities in plastic raw materials can be filtered, and the impurities can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product processing, in particular to a plastic injection molding machine. Background Art

[0002] Plastic injection molding machine is a device that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal, and all-electric types. The plastic injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity.

[0003] The existing injection molding machine feeds plastic particles into the injection molding machine through a feed pipe and then performs heating and injection molding. However, most of them directly pour the raw materials into the feed pipe, which is unable to effectively remove impurities in the plastic particles, greatly reducing the product quality.

[0004] Therefore, it is necessary to provide a new plastic injection molding machine to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the technical problem that the existing plastic injection molding machine cannot remove impurities in plastic particles, the utility model provides a plastic injection molding machine.

[0006] The utility model provides a plastic injection molding machine comprising: an injection molding machine body; a feed pipe, which is arranged on the injection molding machine body; a filter screen, which is detachably installed in the feed pipe; a dust box, which is fixedly installed on one side of the feed pipe, a fan is fixedly installed in the dust box, brackets are fixedly installed on the inner walls of both sides of the dust box, filter bags are mounted on two of the brackets, the filter bags are located just above the fan, a bellows is fixedly connected to the top of the dust box, an air inlet end of the bellows extends into the feed pipe and is provided with a debris suction hopper, and the debris suction hopper is located just above the filter screen.

[0007] Preferably, a driving motor is fixedly mounted on one side of the feed pipe, a transverse screw is rotatably mounted on the feed pipe, one end of the transverse screw is fixedly connected to the output shaft of the driving motor, a sliding seat is threadedly mounted on the transverse screw, and the sliding seat is connected to the corrugated pipe.

[0008] Preferably, a deviation-correcting rod is provided in the feed pipe, and two ends of the deviation-correcting rod are respectively fixedly connected to the inner walls on both sides of the feed pipe, and the deviation-correcting rod slides through the slide seat.

[0009] Preferably, a guide hopper is fixedly installed in the feed pipe, and the guide hopper is located directly above the filter screen. A buffer hopper is fixedly installed in the feed pipe, and the buffer hopper is located directly below the filter screen.

[0010] Preferably, plug plates are fixedly installed on the inner walls on both sides of the feed pipe, and fixing bolts are threadedly installed on the two plug plates. Fixed blocks are provided on both sides of the bottom of the filter screen, and thread grooves are opened on the two fixing blocks. The two thread grooves are threadedly connected to the two fixing bolts respectively.

[0011] Preferably, fixing frames are fixedly installed on both sides of the feed pipe, electric telescopic rods are fixedly installed on the two fixing frames, and fixing plates are fixedly installed on the output rods of the two electric telescopic rods.

[0012] Preferably, a cleaning port for cleaning is provided on one side of the feed pipe and the dust collection box, and a sealing door is hingedly mounted on both cleaning ports.

[0013] Compared with the related art, the plastic injection molding machine provided by the utility model has the following advantages:

[0014] Beneficial effects:

[0015] The utility model provides a plastic injection molding machine:

[0016] 1. Impurities in the plastic raw materials can be filtered through the filter to improve the quality of the product. The fan generates suction to absorb the impurities remaining on the filter and collect them through the filter bag to clean the filter to prevent clogging and affect the feeding. The slide seat moving on the transverse screw can drive the bellows to move and adsorb the filter, expand the adsorption range, and improve the adsorption efficiency;

[0017] 2. The correction rod can guide the slide when it moves to prevent the slide from rotating with the transverse screw. The guide hopper can make the plastic raw materials fall on the filter screen, and the buffer hopper can slow down the speed of the raw materials entering the injection molding machine body to avoid clogging the feed port.

[0018] 3. The threaded connection between the fixing bolt and the threaded groove makes it easy to disassemble the filter. The filter can be replaced after being used for a long time. The position of the fixing plate can be adjusted by the electric telescopic rod to fix the plastic barrel containing plastic raw materials. There is no need to pour the materials manually, which saves manpower. The filter and filter bag can be cleaned and replaced through the cleaning port. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of a plastic injection molding machine provided by the utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of the feed pipe and the dust collection box in the utility model;

[0021] Figure 3 for Figure 1 An enlarged structural diagram of part A shown in FIG.

[0022] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG.

[0023] Numbers in the figure: 1. Injection molding machine body; 2. Feed pipe; 3. Filter; 4. Dust box; 5. Fan; 6. Bracket; 7. Filter bag; 8. Bellows; 9. Suction bucket; 10. Drive motor; 11. Transverse screw; 12. Slide; 13. Correction rod; 14. Guide hopper; 15. Buffer hopper; 16. Insert plate; 17. Fixing bolt; 18. Fixing block; 19. Threaded groove; 20. Fixing frame; 21. Electric telescopic rod; 22. Fixing plate. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] Please refer to Figure 1-Figure 4 ,in, Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of a plastic injection molding machine provided by the utility model; Figure 2 This is a schematic diagram of the main structure of the feed pipe and the dust collection box in the utility model; Figure 3 for Figure 1 An enlarged structural diagram of part A shown in FIG. Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG.

[0026] The plastic injection molding machine comprises: an injection molding machine body 1; a feed pipe 2, which is arranged on the injection molding machine body 1; a filter screen 3, which is detachably installed in the feed pipe 2; a dust box 4, which is fixedly installed on one side of the feed pipe 2, and a fan 5 is fixedly installed in the dust box 4, and brackets 6 are fixedly installed on the inner walls of both sides of the dust box 4. Filter bags 7 are mounted on two of the brackets 6, and the filter bags 7 are located directly above the fan 5. The top of the dust box 4 is fixedly connected with a bellows 8, and the air inlet end of the bellows 8 extends into the feed pipe 2 and is provided with a suction bucket 9, and the suction bucket 9 is located directly above the filter screen 3. Impurities in the plastic raw material can be filtered through the filter screen 3 to improve the quality of the product. The fan 5 generates suction to absorb the impurities remaining on the filter screen 3 and collect them through the filter bag 7, so as to clean the filter screen 3 and prevent the filter screen 3 from being blocked and affecting the feeding.

[0027] A driving motor 10 is fixedly installed on one side of the feed pipe 2, and a transverse screw 11 is rotatably installed on the feed pipe 2. One end of the transverse screw 11 is fixedly connected to the output shaft of the driving motor 10, and a slide 12 is threadedly installed on the transverse screw 11. The slide 12 is connected to the bellows 8. The slide 12 moving on the transverse screw 11 can drive the bellows 8 to move and adsorb the filter 3, thereby expanding the adsorption range and improving the adsorption efficiency.

[0028] A correction rod 13 is provided in the feed pipe 2, and the two ends of the correction rod 13 are fixedly connected to the inner walls of the feed pipe 2 on both sides respectively. The correction rod 13 slides through the slide 12. The correction rod 13 can guide the slide 12 when the slide 12 moves, so as to prevent the slide 12 from rotating together with the transverse screw 11.

[0029] A guide hopper 14 is fixedly installed in the feed pipe 2, and the guide hopper 14 is located directly above the filter screen 3. A buffer hopper 15 is fixedly installed in the feed pipe 2, and the buffer hopper 15 is located directly below the filter screen 3. The guide hopper 14 can make the plastic raw materials fall on the filter screen 3, and the buffer hopper 15 can slow down the speed at which the raw materials enter the injection molding machine body 1 to avoid clogging the feed port.

[0030] Insert plates 16 are fixedly installed on the inner walls of both sides of the feed pipe 2, and fixing bolts 17 are threadedly installed on the two insert plates 16. Fixed blocks 18 are provided on both sides of the bottom of the filter 3, and thread grooves 19 are provided on the two fixing blocks 18. The two thread grooves 19 are threadedly connected with the two fixing bolts 17 respectively. The threaded connection between the fixing bolts 17 and the thread grooves 19 facilitates the disassembly of the filter 3 and the replacement of the filter 3 after the filter 3 has been used for a long time.

[0031] Fixed frames 20 are fixedly installed on both sides of the feed pipe 2, and electric telescopic rods 21 are fixedly installed on the two fixed frames 20. Fixed plates 22 are fixedly installed on the output rods of the two electric telescopic rods 21. The position of the fixed plate 22 is adjusted by the electric telescopic rod 21 to fix the plastic barrel containing the plastic raw material, without manual pouring, saving manpower investment.

[0032] A cleaning port for cleaning is provided on one side of the feed pipe 2 and the dust collection box 4. Sealing doors are hingedly installed on the two cleaning ports, and the filter screen 3 and the filter bag 7 can be cleaned and replaced through the cleaning ports.

[0033] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0034] The working principle of the plastic injection molding machine provided by the utility model is as follows:

[0035] This solution also has an electric control cabinet, which is installed on the equipment. When in use, each electrical device can be started and operated through the electric control cabinet. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for people in this field and will not be described in detail here.

[0036] When in use, a plastic barrel filled with plastic raw materials is placed with the opening facing downward between the two fixed plates 22, the electric telescopic rod 21 is started, the output rod of the electric telescopic rod 21 extends, driving the two fixed plates 22 to approach the plastic barrel and clamp the plastic barrel, the opening of the plastic barrel is opened, and the plastic raw materials fall into the feed pipe 2, pass through the guide hopper 14 and fall on the filter screen 3, the filter screen 3 filters out impurities in the plastic raw materials, and the filtered plastic raw materials continue to fall, and then slowly fall into the injection molding machine body 1 through the buffer hopper 15;

[0037] After the material is unloaded, the fan 5 is started, and the fan 5 generates suction force, and the impurities on the filter screen 3 are sucked into the filter bag 7 through the suction bucket 9. During the impurity suction process, the drive motor 10 is started, and the drive motor 10 drives the transverse screw 11 to rotate. At this time, the slide seat 12 will carry the bellows 8 along the transverse screw 11 to move above the filter screen 3, and the filter screen 3 is fully adsorbed;

[0038] When the filter screen 3 needs to be replaced, the cleaning door is opened, the fixing bolt 17 is rotated, and the fixing bolt 17 is separated from the thread groove 19, and the filter screen 3 can be removed from the feed pipe 2 for replacement.

[0039] Compared with the related art, the plastic injection molding machine provided by the utility model has the following advantages:

[0040] Beneficial effects:

[0041] The utility model provides a plastic injection molding machine, which can filter impurities in plastic raw materials through the filter screen 3 to improve the quality of the product, and the fan 5 generates suction to suck away the impurities remaining on the filter screen 3 and collect them through the filter bag 7, so as to clean the filter screen 3 and prevent the filter screen 3 from being blocked and affecting the feeding, and the slide seat 12 moving on the transverse screw 11 can drive the bellows 8 to move and adsorb the filter screen 3, thereby expanding the adsorption range and improving the adsorption efficiency, and the correction rod 13 can guide the slide seat 12 when the slide seat 12 moves to prevent the slide seat 12 from moving with the transverse screw The rod 11 rotates together, and the plastic raw materials can be concentrated on the filter screen 3 through the guide hopper 14. The buffer bucket 15 can slow down the speed of the raw materials entering the injection molding machine body 1 to avoid clogging the feed port. The threaded connection between the fixing bolt 17 and the threaded groove 19 facilitates the disassembly of the filter screen 3. The filter screen 3 can be replaced after being used for a long time. The position of the fixing plate 22 is adjusted by the electric telescopic rod 21 to fix the plastic barrel containing the plastic raw materials. There is no need for manual pouring, which saves manpower investment. The filter screen 3 and the filter bag 7 can be cleaned and replaced through the cleaning port.

[0042] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0043] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A plastic injection molding machine, characterized in that: include: Injection molding machine body; A feed pipe, the feed pipe is arranged on the injection molding machine body; A filter screen, the filter screen being detachably mounted in the feed pipe; A dust box, the dust box is fixedly installed on one side of the feed pipe, a fan is fixedly installed in the dust box, brackets are fixedly installed on the inner walls of both sides of the dust box, filter bags are mounted on two of the brackets, the filter bags are located directly above the fan, the top of the dust box is fixedly connected to a bellows, the air inlet end of the bellows extends into the feed pipe and is provided with a suction hopper, and the suction hopper is located directly above the filter.

2. The plastic injection molding machine according to claim 1, characterized in that: A driving motor is fixedly installed on one side of the feed pipe, a transverse screw is rotatably installed on the feed pipe, one end of the transverse screw is fixedly connected to the output shaft of the driving motor, a sliding seat is threadedly installed on the transverse screw, and the sliding seat is connected to the corrugated pipe.

3. The plastic injection molding machine according to claim 2, characterized in that: A deviation-correcting rod is arranged in the feeding pipe, and two ends of the deviation-correcting rod are respectively fixedly connected to the inner walls on both sides of the feeding pipe, and the deviation-correcting rod slides through the sliding seat.

4. The plastic injection molding machine according to claim 1, characterized in that: A guide hopper is fixedly installed in the feed pipe, and the guide hopper is located directly above the filter screen. A buffer hopper is fixedly installed in the feed pipe, and the buffer hopper is located directly below the filter screen.

5. The plastic injection molding machine according to claim 1, characterized in that: Insert plates are fixedly installed on the inner walls of both sides of the feed pipe, and fixing bolts are threadedly installed on the two insert plates. Fixed blocks are provided on both sides of the bottom of the filter screen, and thread grooves are opened on the two fixing blocks. The two thread grooves are threadedly connected to the two fixing bolts respectively.

6. The plastic injection molding machine according to claim 1, characterized in that: Fixed frames are fixedly installed on both sides of the feed pipe, electric telescopic rods are fixedly installed on the two fixed frames, and fixed plates are fixedly installed on the output rods of the two electric telescopic rods.

7. The plastic injection molding machine according to claim 1, characterized in that: A cleaning port for cleaning is provided on one side of the feed pipe and the dust collection box, and a sealing door is hingedly installed on the two cleaning ports.

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