Injection molding machine exhaust collection device for automotive plastic parts

Abstract

The utility model discloses injection molding machine exhaust gas collecting device of automobile plastic parts, specifically related to exhaust gas collecting device technical field, including base, the upper end fixedly connected with injection seat and mold base of base, the upper end fixedly connected with support frame of injection seat and mold base, the inside of support frame is provided with horizontal adjusting assembly, and the lower end slidingly connected with mobile seat of support frame, and horizontal adjusting assembly is used for driving mobile seat horizontal motion, and the lower end of mobile seat is provided with height adjusting assembly, and the output of height adjusting assembly is fixedly connected with main gas collecting cover, and both ends of main gas collecting cover all are rotatably connected with side gas collecting cover through damping pivot. The utility model discloses through setting horizontal adjusting assembly and height adjusting assembly, realizes the flexible movement of main gas collecting cover in horizontal and vertical direction, and cooperates with the side gas collecting cover of damping pivot connection, can according to the dynamic adjustment gas collecting position and angle of mould specification, product size and exhaust gas diffusion range, and the suitability is strong.

Description

Technical Field

[0001] This utility model relates to the technical field of exhaust gas collection devices, and more specifically, to an exhaust gas collection device for injection molding machines used in automotive plastic parts. Background Technology

[0002] During the injection molding process of automotive plastic parts, plastic raw materials release a large amount of volatile organic compounds and plastic dust during high-temperature injection molding. These waste gases not only pollute the workshop environment but also endanger the health of operators, requiring effective collection and treatment through waste gas collection devices.

[0003] Existing injection molding machine exhaust gas collection devices mostly use fixed gas collection hoods, which have a limited collection range, allow exhaust gas to easily escape from the sides, have a low exhaust gas collection rate, poor device versatility, and are difficult to adapt to the exhaust gas diffusion range of different specifications of automotive parts molds. Plastic dust in the exhaust gas can easily clog pipes and filter structures, requiring frequent shutdowns for maintenance, resulting in high maintenance costs. The treatment effect on complex exhaust gas components is also limited.

[0004] In summary, in order to achieve efficient collection and purification of exhaust gas during the injection molding process of automotive plastic parts, it is necessary to solve the problems of limited collection range, poor versatility, and easy clogging of the exhaust gas by existing injection molding machine exhaust gas collection devices, so as to make the injection molding machine exhaust gas easier to collect. Utility Model Content

[0005] The present invention provides an exhaust gas collection device for injection molding machines of automotive plastic parts, which aims to solve the following problems: existing exhaust gas collection devices for injection molding machines of automotive plastic parts have limited collection range, poor versatility, and are prone to clogging by plastic dust in the exhaust gas.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an injection molding machine exhaust gas collection device for automotive plastic parts, comprising a base, an injection seat and a mold clamping seat fixedly connected to the upper end of the base, a support frame fixedly connected to the upper end of the injection seat and the mold clamping seat, a horizontal adjustment component inside the support frame, a movable seat slidably connected to the lower end of the support frame, the horizontal adjustment component being used to drive the movable seat to move horizontally, a height adjustment component at the lower end of the movable seat, a main gas collection hood fixedly connected to the output end of the height adjustment component, side gas collection hoods rotatably connected to both ends of the main gas collection hood via damping shafts, a debris removal pipe fixedly connected to the outer side of the support frame via an air inlet pipe, a rotating rod rotatably connected inside the debris removal pipe, a spiral guide vane fixedly connected to the outer side of the rotating rod, and a gas collection box fixedly connected to the end of the debris removal pipe away from the air inlet pipe via an air pump.

[0007] In a preferred embodiment, the leveling assembly includes a threaded rod rotatably connected inside the support frame and an adjusting motor fixedly connected to the outside of the support frame. The threaded rod is threadedly connected to the movable seat, and the output shaft of the adjusting motor is fixedly connected to the threaded rod. The adjusting motor is used to drive the threaded rod to rotate.

[0008] In a preferred embodiment, the height adjustment assembly includes a lifting cylinder fixed to the lower end of the movable seat. The output end of the lifting cylinder is fixedly connected to the main air hood, and the lifting cylinder is used to drive the main air hood to move up and down.

[0009] In a preferred embodiment, two side gas collection hoods are symmetrically arranged. A delivery hose is fixedly connected to the inner wall of the support frame. One end of the delivery hose is connected to the air inlet pipe, and the other end of the delivery hose is fixedly connected to a three-way hose. The three-way hose is fixedly connected to the outer side of the corresponding main gas collection hood and side gas collection hood respectively.

[0010] In a preferred embodiment, a rotating motor is fixedly connected to the outside of the impurity removal tube, and the output shaft of the rotating motor is fixedly connected to the rotating rod. The rotating motor is used to drive the rotating rod to rotate.

[0011] In a preferred embodiment, a slag discharge hopper is fixedly connected to the lower end of the impurity removal pipe, and a pull-out box is slidably connected to the lower end of the slag discharge hopper via a sealed slide rail.

[0012] In a preferred embodiment, an activated carbon layer is fixedly connected inside the gas collection box, and an outlet pipe is fixedly connected to the lower side of the surface of the gas collection box.

[0013] The beneficial effects of this utility model are as follows: This invention enables the main gas collection hood to move flexibly in both horizontal and vertical directions by setting up horizontal and vertical adjustment components. Combined with the side gas collection hood connected by the damping pivot, the gas collection position and angle can be dynamically adjusted according to the mold specifications, product size and exhaust gas diffusion range. It has strong applicability, effectively covers the mold closing area of ​​the injection molding machine and the surrounding exhaust gas diffusion path, improves the exhaust gas capture rate and reduces exhaust gas leakage from the workshop.

[0014] This invention utilizes a rotating rod with spiral guide vanes to generate centrifugal force, efficiently separating plastic dust during the transport of waste gas. The dust is collected in a slag hopper and then into a pull-out box, reducing the blockage of subsequent pipes and activated carbon layers by large particles. This provides good pretreatment and extends the maintenance cycle. The activated carbon layer in the gas collection box further adsorbs volatile organic compounds, achieving waste gas purification. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2This is a cross-sectional structural diagram of the present invention.

[0017] Figure 3 This is a schematic diagram of the movable seat structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the gas collection hood structure of this utility model.

[0019] Figure 5 This is a schematic diagram of the waste gas treatment structure of this utility model.

[0020] The attached diagram is labeled as follows: 1. Base; 2. Injection seat; 3. Mold clamping seat; 4. Support frame; 5. Moving seat; 501. Threaded rod; 502. Adjusting motor; 6. Lifting cylinder; 7. Main gas collection hood; 8. Side gas collection hood; 9. Air inlet pipe; 10. Impurity removal pipe; 11. Rotating rod; 12. Spiral guide vane; 13. Air pump; 14. Gas collection box; 15. Conveying hose; 16. T-shaped hose; 17. Rotating motor; 18. Slag discharge hopper; 19. Pull-out box; 20. Activated carbon layer; 21. Gas outlet pipe. Detailed Implementation

[0021] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0022] Refer to the instruction manual appendix Figures 1 to 5 A waste gas collection device for injection molding machines of automotive plastic parts includes a base 1. An injection seat 2 and a mold clamping seat 3 are fixedly connected to the upper end of the base 1. A support frame 4 is fixedly connected to the upper end of the injection seat 2 and the mold clamping seat 3. A horizontal adjustment component is provided inside the support frame 4. A movable seat 5 is slidably connected to the lower end of the support frame 4. The horizontal adjustment component is used to drive the movable seat 5 to move horizontally. A height adjustment component is provided at the lower end of the movable seat 5. A main gas collection hood 7 is fixedly connected to the output end of the height adjustment component. Both ends of the main gas collection hood 7 are rotatably connected to side gas collection hoods 8 through damping shafts. A debris removal pipe 10 is fixedly connected to the outer side of the support frame 4 through an air inlet pipe 9. A rotating rod 11 is rotatably connected inside the debris removal pipe 10. A spiral guide vane 12 is fixedly connected to the outer side of the rotating rod 11. A gas collection box 14 is fixedly connected to the end of the debris removal pipe 10 away from the air inlet pipe 9 through an air pump 13.

[0023] It should be noted that the injection seat 2 is used to complete the melting and injection of plastic raw materials, and the mold clamping seat 3 is used to realize the opening and closing of the mold and the forming of the product. Both are conventional components of the injection molding machine. The main gas collection hood 7 and the side gas collection hood 8 have an arc-shaped structure, with the opening facing the mold area directly opposite the mold clamping seat 3. The side gas collection hood 8 can rotate and be positioned arbitrarily around the damping shaft to form a semi-enclosed gas collection space, expand the gas collection range, and effectively capture the exhaust gas that diffuses to both sides. A gas concentration sensor can be added inside the main gas collection hood 7. When the sensor detects a change in exhaust gas concentration or the mold opening and closing state, it automatically controls the horizontal adjustment component and the height adjustment component to adjust the gas collection range.

[0024] Refer to the instruction manual appendix Figure 3 The horizontal adjustment assembly includes a threaded rod 501 rotatably connected inside the support frame 4 and an adjustment motor 502 fixedly connected to the outside of the support frame 4. The threaded rod 501 is threadedly connected to the movable seat 5. The output shaft of the adjustment motor 502 is fixedly connected to the threaded rod 501. The adjustment motor 502 is used to drive the threaded rod 501 to rotate.

[0025] It should be noted that the adjusting motor 502 drives the threaded rod 501 to rotate, which in turn drives the moving seat 5 to move horizontally in sync with the opening and closing of the mold.

[0026] Refer to the instruction manual appendix Figure 3 The height adjustment component includes a lifting cylinder 6 fixed to the lower end of the movable seat 5. The output end of the lifting cylinder 6 is fixedly connected to the main air collection hood 7. The lifting cylinder 6 is used to drive the main air collection hood 7 to move up and down.

[0027] It should be noted that the lifting cylinder 6 drives the main air collection hood 7 to move up and down to accommodate molds and products of different heights.

[0028] Refer to the instruction manual appendix Figure 4 There are two symmetrical side gas collection hoods 8. The inner wall of the support frame 4 is fixedly connected to a delivery hose 15. One end of the delivery hose 15 is connected to the air inlet pipe 9. The other end of the delivery hose 15 is fixedly connected to a three-way hose 16. The three-way hose 16 is fixedly connected to the outer side of the corresponding main gas collection hood 7 and side gas collection hood 8 respectively.

[0029] It should be noted that both the conveying hose 15 and the three-way hose 16 are made of heat-resistant rubber. The exhaust gas collected by the main gas collection hood 7 and the side gas collection hood 8 is conveyed to the impurity removal pipe 10 through the three-way hose 16, the conveying hose 15, and the air inlet pipe 9.

[0030] Refer to the instruction manual appendix Figure 5 A rotary motor 17 is fixedly connected to the outside of the impurity removal pipe 10. The output shaft of the rotary motor 17 is fixedly connected to the rotating rod 11. The rotary motor 17 is used to drive the rotating rod 11 to rotate.

[0031] It should be noted that the rotating motor 17 drives the rotating rod 11 and the spiral guide vane 12 to rotate, and while conveying the exhaust gas, it uses centrifugal force to separate large plastic dust particles from the exhaust gas.

[0032] Refer to the instruction manual appendix Figure 5 The lower end of the impurity removal pipe 10 is fixedly connected to a slag discharge hopper 18, and the lower end of the slag discharge hopper 18 is slidably connected to a pull-out box 19 via a sealed slide rail.

[0033] It should be noted that the separated dust falls into the pull-out box 19 through the slag discharge hopper 18 under the action of gravity, and the pull-out box 19 can be periodically removed for cleaning.

[0034] Refer to the instruction manual appendix Figure 5 An activated carbon layer 20 is fixedly connected inside the gas collection box 14, and an outlet pipe 21 is fixedly connected to the lower side of the surface of the gas collection box 14.

[0035] It should be noted that the activated carbon layer 20 is used to adsorb volatile organic compounds in the waste gas, and the treated gas is discharged through the outlet pipe 21 or connected to subsequent deep treatment equipment.

[0036] Working principle: According to the mold specifications and product size, the height of the main gas collection hood 7 is adjusted by controlling the lifting cylinder 6, while the side gas collection hoods 8 on both sides are rotated to a suitable angle to form a semi-enclosed gas collection space. When the injection seat 2 and the mold closing seat 3 are working, the air pump 13 and the rotating motor 17 are started. The horizontal position of the moving seat 5 is adjusted with the opening and closing of the mold so that the main gas collection hood 7 is located directly above the mold. The main gas collection hood 7 and the side gas collection hoods 8 begin to collect waste gas under negative pressure. The waste gas enters the impurity removal pipe 10 through the conveying hose 15 and the air inlet pipe 9. The spiral guide vane 12 separates large dust particles during rotation. The dust falls into the pull-out box 19. The waste gas after dust removal enters the gas collection box 14. After being adsorbed and purified by the activated carbon layer 20, the clean gas is discharged through the air outlet pipe 21.

[0037] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A waste gas collection device for injection molding machines of automotive plastic parts, characterized in that: It includes a base (1), an injection seat (2) and a mold clamping seat (3) are fixedly connected to the upper end of the base (1), a support frame (4) is fixedly connected to the upper end of the injection seat (2) and the mold clamping seat (3), a horizontal adjustment component is provided inside the support frame (4), a movable seat (5) is slidably connected to the lower end of the support frame (4), the horizontal adjustment component is used to drive the movable seat (5) to move horizontally, a height adjustment component is provided at the lower end of the movable seat (5), a main air collection hood (7) is fixedly connected to the output end of the height adjustment component, both ends of the main air collection hood (7) are rotatably connected to the right air collection hood (8) through a damping shaft, a sludge removal pipe (10) is fixedly connected to the outside of the support frame (4) through an air inlet pipe (9), a rotating rod (11) is rotatably connected inside the sludge removal pipe (10), a spiral guide plate (12) is fixedly connected to the outside of the rotating rod (11), and an air collection box (14) is fixedly connected to the end of the sludge removal pipe (10) away from the air inlet pipe (9) through an air pump (13).

2. The injection molding machine exhaust gas collection device for automotive plastic parts according to claim 1, characterized in that: The horizontal adjustment assembly includes a threaded rod (501) rotatably connected inside the support frame (4) and an adjustment motor (502) fixedly connected to the outside of the support frame (4). The threaded rod (501) is threadedly connected to the movable seat (5). The output shaft of the adjustment motor (502) is fixedly connected to the threaded rod (501). The adjustment motor (502) is used to drive the threaded rod (501) to rotate.

3. The injection molding machine exhaust gas collection device for automotive plastic parts according to claim 1, characterized in that: The height adjustment assembly includes a lifting cylinder (6) fixed at the lower end of the movable seat (5). The output end of the lifting cylinder (6) is fixedly connected to the main air hood (7). The lifting cylinder (6) is used to drive the main air hood (7) to move up and down.

4. The injection molding machine exhaust gas collection device for automotive plastic parts according to claim 1, characterized in that: There are two symmetrical side gas collection hoods (8). A delivery hose (15) is fixedly connected to the inner wall of the support frame (4). One end of the delivery hose (15) is connected to the air inlet pipe (9). The other end of the delivery hose (15) is fixedly connected to a three-way hose (16). The three-way hose (16) is fixedly connected to the outer side of the corresponding main gas collection hood (7) and side gas collection hood (8).

5. The injection molding machine exhaust gas collection device for automotive plastic parts according to claim 1, characterized in that: A rotating motor (17) is fixedly connected to the outside of the impurity removal tube (10). The output shaft of the rotating motor (17) is fixedly connected to the rotating rod (11). The rotating motor (17) is used to drive the rotating rod (11) to rotate.

6. The injection molding machine exhaust gas collection device for automotive plastic parts according to claim 1, characterized in that: The lower end of the impurity removal pipe (10) is fixedly connected to a slag discharge hopper (18), and the lower end of the slag discharge hopper (18) is slidably connected to a pull-out box (19) via a sealed slide rail.

7. The injection molding machine exhaust gas collection device for automotive plastic parts according to claim 1, characterized in that: An activated carbon layer (20) is fixedly connected inside the gas collection box (14), and an outlet pipe (21) is fixedly connected to the lower side of the surface of the gas collection box (14).

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