A vacuum pumping mechanism for nylon casting machine

Abstract

The utility model relates to the technical field of casting machines, and discloses a vacuum pumping mechanism of a nylon casting machine, including a box body, a suction pipe fixedly connected to one end of the top of the box body, an air inlet pipe fixedly connected to the other end of the suction pipe, and filter pipes fixedly connected to both ends of the air inlet pipe, and the bottoms of the two filter pipes are fixedly connected to the same air outlet pipe, the two sides of the bottom of the air inlet pipe are rotatably connected to the first rotating shaft, and the tops of the two first rotating shafts penetrate the air inlet pipe and are fixedly connected to the first baffle, and the first baffle is adapted to the inner wall of the air inlet pipe, the bottoms of the two first rotating shafts are fixedly connected to the first gear, and the tops of the two ends of the air outlet pipe are rotatably connected to the second rotating shaft. The utility model realizes that the air is filtered during the process of extracting air, so that the extracted air does not contain harmful substances, which ensures the health and safety of the staff, and at the same time, when the activated carbon filter is replaced, the technical effect of the use of the equipment is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of casting machines, in particular to a vacuum pumping mechanism of a nylon casting machine. Background Art

[0002] Nylon casting machine is a professional equipment used to produce nylon products, which is widely used in the fields of automotive parts, industrial machinery parts, electronic and electrical housing, etc. This equipment converts nylon resin into molded products through injection molding process. The design and performance of nylon casting machine have an important impact on the quality, production efficiency and cost control of nylon products.

[0003] When the raw materials of the nylon casting machine are melted and stirred, the inside of the nylon casting machine box needs to be evacuated to degas the raw materials. However, in the prior art, in some small workshops, a vacuum pump extracts the air mixed with the smell of the raw materials inside the box through a pipe and discharges it directly from the output end of the vacuum pump, so that the gas is directly diffused in the workshop, affecting the working environment of the staff. For this purpose, a vacuum extraction mechanism for a nylon casting machine is provided. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a vacuum pumping mechanism for a nylon casting machine.

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

[0006] A vacuum pumping mechanism for a nylon casting machine comprises a box body, one end of the top of the box body is fixedly connected to an exhaust pipe, the other end of the exhaust pipe is fixedly connected to an air inlet pipe, and both ends of the air inlet pipe are fixedly connected to filter pipes, the bottoms of the two filter pipes are fixedly connected to the same air outlet pipe, both sides of the bottom of the air inlet pipe are rotatably connected to a first rotating shaft, and the tops of the two first rotating shafts are both penetrated through the air inlet pipe and are fixedly connected to a first baffle, and the first baffle is adapted to the inner wall of the air inlet pipe, the bottoms of the two first rotating shafts are fixedly connected to a first gear, the tops of both ends of the air outlet pipe are rotatably connected to a second rotating shaft, and the bottoms of the second rotating shafts are penetrated through The air outlet pipe is fixedly connected with a second baffle, the tops of the two second rotating shafts are fixedly connected with a second gear, the same side of the two filter tubes are fixedly connected with a side plate, the two ends of the two side plates are fixedly connected with the same limit rod on both sides, the circumferential surfaces of the two limit rods are slidably connected with the same vertical plate, both ends of the vertical plates are provided with circular holes adapted to the limit rod, a rectangular frame is fixedly connected to a side of the vertical plate close to the second gear, and racks are fixedly connected to the top and bottom of a side of the rectangular frame close to the second gear, and the rack at the top is meshed with the two first gears, and the rack at the bottom is meshed with the two second gears.

[0007] As a further solution of the utility model, a same screw rod is rotatably connected in the middle between the two side panels, and the screw rod thread passes through the vertical plate. A threaded hole matching the screw rod is opened on the vertical plate, and one end of the screw rod passes through the side panel and is fixedly connected to a handle.

[0008] As a further solution of the utility model, activated carbon filters are arranged inside the two filter tubes, and tops of the two filter tubes are fixedly connected with top covers by multiple bolts.

[0009] As a further solution of the utility model, an insulation layer is fixedly sleeved on the outside of the box body, and a plurality of electric heating tubes are arranged at equal distances inside the insulation layer. A vacuum pump is fixedly connected to the top of the outer wall of the insulation layer through a support frame, and an exhaust pipe is fixedly connected to the input end of the vacuum pump, and the other end of the exhaust pipe is fixedly connected to the middle of the outlet pipe.

[0010] As a further solution of the utility model, two support columns are fixedly connected to the other side of the top of the box body, and the same raw material box is fixedly connected to the top of the two support columns, a feed pipe is fixedly connected to the bottom of the raw material box, and the bottom of the feed pipe is connected to the box body, and a flow meter and a second control valve are arranged in series on the feed pipe.

[0011] As a further solution of the utility model, a motor is fixedly connected to the middle position of the top of the box body, and the output end of the motor passes through the box body and is fixedly connected to a rotating shaft, and a plurality of stirring rods are arranged on the rotating shaft.

[0012] As a further solution of the utility model, a discharge pipe is fixedly connected to the bottom of the box body, and a first control valve is arranged on the discharge pipe, and a bracket is fixedly connected to the bottom of the box body.

[0013] The beneficial effects of the utility model are:

[0014] The utility model: due to the adoption of technical means such as an exhaust pipe, a filter pipe, an exhaust pipe, an activated carbon filter, a vacuum pump, a side plate, a rack, a first baffle, a second baffle and a second gear, air enters the intake pipe and can only move toward the filter pipe on one side to filter the air. When the adsorption capacity of the activated carbon filter on one side decreases, the handle is turned and the filter pipe that was originally not connected to the exhaust pipe begins to connect to achieve filtration. For the filter pipe on the other side, the user can remove the top cover to facilitate replacement of the activated carbon filter inside it without affecting the use of the equipment, effectively solving the problems raised in the background technology, and then filtering the air during the air extraction process, so that the extracted air does not contain harmful substances, thereby ensuring the health and safety of the staff. At the same time, when replacing the activated carbon filter, the technical effect of the use of the equipment is not affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a vacuum pumping mechanism of a nylon casting machine proposed by the utility model;

[0016] Figure 2 It is a structural schematic diagram of the air extraction pipe of the vacuum extraction mechanism of a nylon casting machine proposed by the utility model;

[0017] Figure 3 The utility model is a partial structural schematic diagram of a vacuum pumping mechanism of a nylon casting machine.

[0018] In the figure: 1. box body; 2. insulation layer; 3. electric heating tube; 4. bracket; 5. discharge pipe; 501. first control valve; 6. raw material box; 601. support column; 7. feed pipe; 701. flow meter; 702. second control valve; 8. exhaust pipe; 801. air inlet pipe; 802. filter pipe; 803. air outlet pipe; 804. exhaust pipe; 805. activated carbon filter; 806. top cover; 9. vacuum pump; 10. side panel; 11. limit rod; 12. screw rod; 13. handle; 14. vertical plate; 15. rectangular frame; 16. rack; 17. first baffle; 18. first gear; 19. second baffle; 20. second gear; 21. motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] Reference Figure 1-Figure 3A vacuum pumping mechanism of a nylon casting machine includes a box body 1, one end of the top of the box body 1 is fixedly connected to an exhaust pipe 8, the other end of the exhaust pipe 8 is fixedly connected to an air inlet pipe 801, and both ends of the air inlet pipe 801 are fixedly connected to filter pipes 802, and the bottoms of the two filter pipes 802 are fixedly connected to the same air outlet pipe 803, both sides of the bottom of the air inlet pipe 801 are rotatably connected to a first rotating shaft, and the tops of the two first rotating shafts are penetrated through the air inlet pipe 801 and are fixedly connected to a first baffle 17, and the first baffle 17 is adapted to the inner wall of the air inlet pipe 801, the bottoms of the two first rotating shafts are fixedly connected to a first gear 18, the tops of both ends of the air outlet pipe 803 are rotatably connected to a second rotating shaft, and the bottoms of the second rotating shafts are penetrated through the air outlet The tube 803 is fixedly connected to the second baffle 19, the tops of the two second rotating shafts are fixedly connected to the second gear 20, the same sides of the two filter tubes 802 are fixedly connected to the side plates 10, the two ends of the two side plates 10 are fixedly connected to the same limiting rod 11 on both sides, the two limiting rods 11 are slidably connected to the same vertical plate 14 on the circumferential surface, and the two ends of the vertical plate 14 are provided with circular holes matching the limiting rod 11, the side of the vertical plate 14 close to the second gear 20 is fixedly connected to a rectangular frame 15, and the top and bottom of the side of the rectangular frame 15 close to the second gear 20 are fixedly connected to racks 16, and the top rack 16 is meshed with the two first gears 18, and the bottom rack 16 is meshed with the two second gears 20.

[0022] In this embodiment, a same screw rod 12 is rotatably connected at the middle between the two side panels 10, and the screw rod 12 threadedly penetrates the vertical plate 14. A threaded hole matching the screw rod 12 is opened on the vertical plate 14. One end of the screw rod 12 penetrates the side panel 10 and is fixedly connected to a handle 13.

[0023] In this embodiment, activated carbon filters 805 are disposed inside the two filter tubes 802, and tops of the two filter tubes 802 are fixedly connected with top covers 806 by multiple bolts.

[0024] In this embodiment, an insulation layer 2 is fixedly sleeved on the outside of the box body 1, and a plurality of electric heating tubes 3 are equidistantly arranged inside the insulation layer 2. The insulation layer 2 and the electric heating tubes 3 realize heating and insulation of the inside of the box body 1. A vacuum pump 9 is fixedly connected to the top of the outer wall of the insulation layer 2 through a support frame, and an exhaust pipe 804 is fixedly connected to the input end of the vacuum pump 9, and the other end of the exhaust pipe 804 is fixedly connected to the middle of the exhaust pipe 803.

[0025] In this embodiment, two support columns 601 are fixedly connected to the other side of the top of the box body 1, and the top of the two support columns 601 is fixedly connected to the same raw material box 6, and a feed pipe 7 is fixedly connected to the bottom of the raw material box 6, and the bottom of the feed pipe 7 is connected to the box body 1, and a flow meter 701 and a second control valve 702 are serially arranged on the feed pipe 7.

[0026] In this embodiment, a motor 21 is fixedly connected to the middle position of the top of the box body 1, and an output end of the motor 21 passes through the box body 1 and is fixedly connected to a rotating shaft, and a plurality of stirring rods are arranged on the rotating shaft.

[0027] In this embodiment, a discharge pipe 5 is fixedly connected to the bottom of the box body 1, and a first control valve 501 is provided on the discharge pipe 5. The discharge pipe 5 and the first control valve 501 are used to discharge the processed nylon raw material and to cast the mold. A bracket 4 is fixedly connected to the bottom of the box body 1.

[0028] Working principle: A vacuum pumping mechanism of a nylon casting machine. When in use, the raw material is added into the box body 1 through the raw material box 6, the flow meter 701 and the second control valve 702, the electric heating tube 3 is started to heat the raw material to make it melt, and the motor 21 is started after melting to stir the raw material, and the vacuum pump 9 is started to extract the air inside the box body 1, so that the inside of the box body 1 is in a vacuum state, and there are no bubbles inside the raw material. The vacuum pump 9 extracts the air through the exhaust pipe 8, the air inlet pipe 801, the filter pipe 802 and the air outlet pipe 803 and the exhaust pipe 804. The air enters the air inlet pipe 801. Since the two first baffles 17 are perpendicular to each other and the two second baffles 19 are perpendicular to each other, the air can only move toward the filter pipe 802 on one side, and the air passes through the active The activated carbon filter 805 is used to filter the air so that the gas with the smell of raw materials in the box body 1 will not enter the workshop and affect the health of the workers. When the adsorption capacity of the activated carbon filter 805 on one side decreases, turn the handle 13 to make the vertical plate 14 slide to the other side with the rectangular frame 15 and the rack 16, so that the two first baffles 17 and the second baffle 19 are rotated ninety degrees, so that the filter tube 802 originally connected to the exhaust pipe 8 is different, and the filter tube 802 originally not connected to the exhaust pipe 8 begins to be connected, so that the extracted gas is filtered by the activated carbon filter 805 on this side and then discharged. For the filter tube 802 on the other side, the user can replace the activated carbon filter 805 inside it by removing the top cover 806.

[0029] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0030] 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.

[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vacuum pumping mechanism for a nylon casting machine, comprising a box (1), characterized in that: One end of the top of the box body (1) is fixedly connected to an exhaust pipe (8), the other end of the exhaust pipe (8) is fixedly connected to an air inlet pipe (801), and both ends of the air inlet pipe (801) are fixedly connected to filter pipes (802), and the bottoms of the two filter pipes (802) are fixedly connected to the same air outlet pipe (803), both sides of the bottom of the air inlet pipe (801) are rotatably connected to a first rotating shaft, and the tops of the two first rotating shafts penetrate the air inlet pipe (801) and are fixedly connected to a first baffle (17), and the first baffle (17) is matched with the inner wall of the air inlet pipe (801), and the bottoms of the two first rotating shafts are fixedly connected to a first gear (18), and the tops of the two ends of the air outlet pipe (803) are rotatably connected to a second rotating shaft, and the bottoms of the second rotating shafts penetrate the air outlet pipe (803) and are fixedly connected to a second baffle ( 19), the tops of the two second rotating shafts are fixedly connected to the second gear (20), the same sides of the two filter tubes (802) are fixedly connected to the side plates (10), the two ends of the two side plates (10) are fixedly connected to the same limiting rod (11), the circumferential surfaces of the two limiting rods (11) are slidably connected to the same vertical plate (14), both ends of the vertical plate (14) are provided with circular holes matched with the limiting rod (11), the side of the vertical plate (14) close to the second gear (20) is fixedly connected to a rectangular frame (15), and the top and bottom of the side of the rectangular frame (15) close to the second gear (20) are fixedly connected to racks (16), and the rack (16) at the top is meshed with the two first gears (18), and the rack (16) at the bottom is meshed with the two second gears (20).

2. The vacuum pumping mechanism of the nylon casting machine according to claim 1, characterized in that: A same screw rod (12) is rotatably connected at the middle of the two side plates (10), and the screw rod (12) is threadedly passed through the vertical plate (14). A threaded hole matching the screw rod (12) is provided on the vertical plate (14), and one end of the screw rod (12) passes through the side plate (10) and is fixedly connected to a handle (13).

3. The vacuum pumping mechanism of the nylon casting machine according to claim 1, characterized in that: An activated carbon filter (805) is disposed inside the two filter tubes (802), and a top cover (806) is fixedly connected to the top of the two filter tubes (802) via a plurality of bolts.

4. The vacuum pumping mechanism of the nylon casting machine according to claim 1, characterized in that: The outer casing (1) is provided with a heat-insulating layer (2) fixedly sleeved thereon, and a plurality of electric heating tubes (3) are arranged at equal distances inside the heat-insulating layer (2), a vacuum pump (9) is fixedly connected to the top of the outer wall of the heat-insulating layer (2) via a support frame, and an exhaust pipe (804) is fixedly connected to the input end of the vacuum pump (9), and the other end of the exhaust pipe (804) is fixedly connected to the middle of the exhaust pipe (803).

5. The vacuum pumping mechanism of the nylon casting machine according to claim 1, characterized in that: Two support columns (601) are fixedly connected to the other side of the top of the box body (1), and the tops of the two support columns (601) are fixedly connected to the same raw material box (6). A feed pipe (7) is fixedly connected to the bottom of the raw material box (6), and the bottom of the feed pipe (7) is connected to the box body (1). A flow meter (701) and a second control valve (702) are serially connected to the feed pipe (7).

6. The vacuum pumping mechanism of the nylon casting machine according to claim 1, characterized in that: A motor (21) is fixedly connected to the middle position of the top of the box body (1), and an output end of the motor (21) passes through the box body (1) and is fixedly connected to a rotating shaft, and a plurality of stirring rods are arranged on the rotating shaft.

7. The vacuum pumping mechanism of the nylon casting machine according to claim 1, characterized in that: A discharge pipe (5) is fixedly connected to the bottom of the box body (1), and a first control valve (501) is provided on the discharge pipe (5). A bracket (4) is fixedly connected to the bottom of the box body (1).

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