CN112848073A

CN112848073A - Automatic positive and negative pressure forming device with gas treatment mechanism

Info

Publication number: CN112848073A
Application number: CN202011640857.1A
Authority: CN
Inventors: 杨卫华
Original assignee: Zhongshan Lanjia Machinery Equipment Co ltd
Current assignee: Zhongshan Lanjia Machinery Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention discloses an automatic positive and negative pressure forming device provided with a gas treatment mechanism, which relates to the technical field of injection molding machine equipment and aims at solving the problem that a large amount of harmful gas is generated to cause environmental pollution when an existing injection molding machine heats plastic raw materials. The invention has novel structure, can absorb a large amount of harmful gas generated when the injection molding machine heats the plastic raw material, purify the working environment, protect the health of workers, simultaneously avoid the harmful gas from being directly discharged into the atmosphere, reduce the chemical waste gas pollution and be beneficial to environmental protection.

Description

Automatic positive and negative pressure forming device with gas treatment mechanism

Technical Field

The invention relates to the technical field of injection molding machine equipment, in particular to an automatic positive and negative pressure forming device provided with a gas treatment mechanism.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. An injection molding machine, which is capable of heating plastic and applying high pressure to the molten plastic to inject the plastic to fill a mold cavity, generally comprises an injection system, a mold closing system, a hydraulic transmission system, an electrical control system, a lubricating system, a heating and cooling system, a safety monitoring system, and the like.

The injection molding machine can be used to the plastic factory in the production process of plastics, and when the injection molding machine heated the plastics raw materials, can produce a large amount of harmful gas, not only endangered staff's healthy, harmful gas directly discharged the atmosphere simultaneously, still polluted the environment, be unfavorable for the environmental protection. Therefore, in order to solve such problems, an automatic positive and negative pressure molding apparatus equipped with a gas processing mechanism has been proposed.

Disclosure of Invention

The invention provides an automatic positive and negative pressure forming device provided with a gas treatment mechanism, which solves the problem that a large amount of harmful gas is generated to cause environmental pollution when the existing injection molding machine heats plastic raw materials.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic positive and negative pressure forming device provided with a gas treatment mechanism comprises an injection molding machine main body and a gas treatment box, wherein the top end of a mold box of the injection molding machine main body is fixedly provided with the gas treatment box and a gas guide tube, the side wall of the gas treatment box is communicated with one end of the gas guide tube, the inner wall of the top end of the mold box of the injection molding machine main body is fixedly provided with a getter pump, the getter pump is communicated with the other end of the gas guide tube, the top end of the gas treatment box is fixedly provided with a gas outlet tube and a motor, the inner wall of the top end of the gas treatment box is rotatably provided with a rotating rod, the top end of the rotating rod extends to the outside of the top end of the gas treatment box and is fixedly connected with an output shaft of the motor, the circumferential side wall of the, and an anti-backflow valve structure is arranged at the joint of the gas treatment box and the gas guide tube.

Preferably, the floccule collecting device comprises a fixed sleeve, a driving conical gear, a driven conical gear, a support rod, a rotary rod, a chain, a sieve plate and a collecting tank, the fixed sleeve is fixedly arranged on the inner wall of the top end of the injection molding machine main body, the driving conical gear is fixedly arranged at the bottom of the fixed sleeve, the rotary rod penetrates through the fixed sleeve and the driving conical gear, the support rod is fixedly arranged at the top end of the connecting rod, the rotary rod is rotatably arranged in a penetrating manner, the rotary rod is parallel to the connecting rod, the fixed sleeve at one end of the rotary rod, which is close to the rotary rod, is provided with the driven conical gear, the driven conical gear is meshed with the driving conical gear, the chain wheel is arranged at one end of the rotary rod, which is far away from the rotary rod, and the bottom, the chain wheel that is located the below rotates with the puddler to be connected, is connected with the chain between two chain wheels, one side fixed mounting that the dwang was kept away from to the chain has the sieve, the one end fixed mounting that the dwang was kept away from to the connecting rod has the collecting vat.

Preferably, the sieve plate is fixedly connected with the chain blocks of the chain and is uniformly distributed, and the sieve plate and the collecting tank are located on the same vertical plane.

Preferably, the backflow preventing valve structure comprises a fixing ring, a slide rod, a stop plate, a limiting ring and a reset spring, wherein the fixing ring is fixedly arranged on the inner wall of one end circumference of the air guide pipe close to the gas treatment box, the slide rod is slidably arranged on the fixing ring, the stop plate is fixedly arranged on one end of the slide rod close to the gas treatment box, the limiting ring is fixedly arranged on one end of the slide rod far away from the gas treatment box, and the reset spring is connected between the limiting ring and the fixing ring.

Preferably, the fixed ring is provided with a vent hole, the slide rod is positioned in an inner cavity of the reset spring, and the circumferential side wall of the barrier plate is fixedly provided with a sealing gasket.

Preferably, the gas treatment chamber contains a chemical agent.

Preferably, the top end of the air outlet pipe is fixedly provided with a filter plate.

The invention has the beneficial effects that:

1. through setting up the aspirator pump, can be when injection molding machine carries out injection moulding, inhale a large amount of harmful waste gas that produces behind the heating of plastic materials, prevent that waste gas from endangering staff's healthy, carry out chemical reaction through waste gas and gaseous treatment incasement chemical agent, the pollutant separates or turns into harmless or easily handled's material from waste gas, has clear away the gas of pollutant, discharges through outlet duct and filter, can effectively reduce exhaust pollution.

2. Drive the puddler through the motor and rotate at gaseous processing case, can accelerate the chemical reaction of waste gas, the separation or the conversion effect of reinforcing pollutant can be collected waste gas and the floccule that chemical agent produced through floccule collection device, carry out recycle, through preventing the backflow valve structure, can prevent that gas or chemical agent from flowing back and getting into in the injection molding machine, influence the normal use of injection molding machine.

In conclusion, the device can absorb a large amount of harmful gas generated when the injection molding machine heats the plastic raw material, purify the working environment, protect the health of workers, simultaneously avoid the harmful gas from being directly discharged into the atmosphere, reduce the chemical waste gas pollution and be beneficial to environmental protection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is a side view of the interior of the gas processing enclosure of the present invention;

FIG. 4 is an enlarged view of B of FIG. 2 according to the present invention;

fig. 5 is a schematic structural view of the fixing ring of the present invention.

Reference numbers in the figures: 1. an injection molding machine main body; 2. a gas treatment tank; 3. a getter pump; 4. an air duct; 5. an air outlet pipe; 6. a motor; 7. rotating the rod; 8. a connecting rod; 9. a stirring rod;

10. fixing the sleeve; 11. driving the bevel gear; 12. a driven bevel gear; 13. a support bar; 14. rotating the rod; 15. a sprocket; 16. a chain; 17. a sieve plate; 18. collecting tank;

19. a fixing ring; 20. a slide bar; 21. a blocking plate; 22. a limiting ring; 23. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an automatic positive and negative pressure forming device provided with a gas treatment mechanism comprises an injection molding machine main body 1 and a gas treatment box 2, chemical agents are placed in the gas treatment box 2, the gas treatment box 2 and a gas guide tube 4 are fixedly installed at the top end of a mold box of the injection molding machine main body 1, the side wall of the gas treatment box 2 is communicated with one end of the gas guide tube 4, a getter pump 3 is fixedly installed on the inner wall of the top end of the mold box of the injection molding machine main body 1, the getter pump 3 is communicated with the other end of the gas guide tube 4, an air outlet tube 5 and a motor 6 are fixedly installed at the top end of the gas treatment box 2, a filter plate is fixedly installed at the top end of the air outlet tube 5, a rotating rod 7 is rotatably installed on the inner wall of the top end of the gas treatment box 2, the, the bottom fixed mounting of connecting rod 8 has the puddler 9 that is vertical setting.

The connecting rod 8 is provided with a floccule collecting device, the floccule collecting device comprises a fixed sleeve 10, a driving conical gear 11, a driven conical gear 12, a supporting rod 13, a rotary rod 14, a chain wheel 15, a chain 16, a sieve plate 17 and a collecting tank 18, a fixed sleeve 10 is fixedly installed on the inner wall of the top end of the injection molding machine main body 1, a driving conical gear 11 is fixedly installed at the bottom of the fixed sleeve 10, the rotary rod 7 penetrates through the fixed sleeve 10 and the driving conical gear 11, the supporting rod 13 is fixedly installed at the top end of the connecting rod 8, the rotary rod 14 is rotatably installed in a penetrating manner by the supporting rod 13, the rotary rod 14 is parallel to the connecting rod 8, a driven conical gear 12 is fixedly sleeved at one end of the rotary rod 14 close to the rotary rod 7, the driven conical gear 12 is meshed with the driving conical gear 11, one end of the rotary rod, sprocket 15 and the rotary rod 14 fixed connection that are located the top, sprocket 15 and puddler 9 that are located the below rotate and are connected, are connected with chain 16 between two sprockets 15, and one side fixed mounting that dwang 7 was kept away from to chain 16 has sieve 17, and the one end fixed mounting that dwang 7 was kept away from to connecting rod 8 has collecting vat 18, and sieve 17 and the chain piece fixed connection of chain 16, and be evenly distributed, sieve 17 and collecting vat 18 are located same vertical plane.

Referring to fig. 4-5, the junction of the gas treatment box 2 and the gas guide tube 4 is provided with a backflow prevention valve structure, the backflow prevention valve structure comprises a fixing ring 19, a slide rod 20, a stop plate 21, a limit ring 22 and a return spring 23, the inner wall of the circumference of one end of the gas guide tube 4 close to the gas treatment box 2 is fixedly provided with the fixing ring 19, the fixing ring 19 is slidably provided with the slide rod 20, one end of the slide rod 20 close to the gas treatment box 2 is fixedly provided with the stop plate 21, one end of the slide rod 20 far away from the gas treatment box 2 is fixedly provided with the limit ring 22, the return spring 23 is connected between the limit ring 22 and the fixing ring 19, the fixing ring 19 is provided with a vent hole, the slide rod.

When the device is used, when the injection molding machine main body 1 is used for injection molding, the air suction pump 3 and the motor 6 are started, the air suction pump 3 sucks a large amount of harmful waste gas generated after plastic raw materials are heated, when the waste gas passes through the air duct 4, the air flow pushes the blocking plate 21 to be far away from the air duct 4, the sliding rod 20 is driven to move, the limiting ring 22 is close to the fixing ring 19, the reset spring 23 is extruded, the waste gas enters the gas treatment box 2, the waste gas is prevented from harming the body health of workers, the waste gas and chemical agents in the gas treatment box 2 are subjected to chemical reaction, pollutants are separated or converted into harmless or easily-treated substances from the waste gas, the gas with the pollutants removed is discharged through the gas outlet pipe 5, the rotating rod 7 is driven to rotate through the motor 6, the connecting rod 8 drives the stirring rod 9 to rotate in the gas treatment box 2, the, connecting rod 8 rotates and drives rotary rod 14 and rotates, driven bevel gear 12 rotates around drive bevel gear 11, make rotary rod 14 carry out the biography certainly on bracing piece 13, drive sprocket 15 and rotate, make chain 16 drive sieve 17 and remove, begin to incline when sieve 17 reachs the sprocket 15 of top, the flocculus on sieve 17 top receives gravity to drop in collecting vat 18, when closing aspirator pump 3, reset spring 23 makes spacing ring 22 keep away from solid fixed ring 19, the inner wall of check plate 21 laminating air duct 4, prevent waste gas and chemical agent refluence.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An automatic positive and negative pressure forming device provided with a gas treatment mechanism comprises an injection molding machine main body (1) and a gas treatment box (2), and is characterized in that the gas treatment box (2) and a gas guide pipe (4) are fixedly mounted at the top end of a mold box of the injection molding machine main body (1), the side wall of the gas treatment box (2) is communicated with one end of the gas guide pipe (4), a suction pump (3) is fixedly mounted on the inner wall of the top end of the mold box of the injection molding machine main body (1), the suction pump (3) is communicated with the other end of the gas guide pipe (4), a gas outlet pipe (5) and a motor (6) are fixedly mounted at the top end of the gas treatment box (2), a rotating rod (7) is rotatably mounted on the inner wall of the top end of the gas treatment box (2), and the top end of the rotating rod (7) extends to the outside, dwang (7) circumference lateral wall fixed mounting has connecting rod (8) that are the annular array and distribute, the bottom fixed mounting of connecting rod (8) has puddler (9) that is vertical setting, connecting rod (8) are equipped with the floccule collection device, the junction of gas treatment case (2) and air duct (4) is equipped with prevents the reflux valve structure.

2. The automatic positive and negative pressure forming device provided with the gas treatment mechanism according to claim 1, wherein the floccule collecting device comprises a fixed sleeve (10), a driving bevel gear (11), a driven bevel gear (12), a support rod (13), a rotary rod (14), a chain wheel (15), a chain (16), a sieve plate (17) and a collecting tank (18), the inner wall of the top end of the injection molding machine main body (1) is fixedly provided with the fixed sleeve (10), the bottom of the fixed sleeve (10) is fixedly provided with the driving bevel gear (11), the rotary rod (7) penetrates through the fixed sleeve (10) and the driving bevel gear (11), the top end of the connecting rod (8) is fixedly provided with the support rod (13), the support rod (13) is rotatably provided with the rotary rod (14) in a penetrating manner, and the rotary rod (14) and the connecting rod (8) are arranged in parallel, fixed cover of one end that dwang (7) is close to rotary rod (14) is equipped with driven taper gear (12), driven taper gear (12) and drive taper gear (11) meshing, the lateral wall bottom of dwang (7) is kept away from in one end and puddler (9) of dwang (7) is kept away from in rotary rod (14) all installs sprocket (15), is located the top sprocket (15) and rotary rod (14) fixed connection, be located the below sprocket (15) rotate with puddler (9) and be connected, are connected with chain (16) between two sprocket (15), one side fixed mounting that dwang (7) were kept away from in chain (16) has sieve (17), the one end fixed mounting that dwang (7) were kept away from in connecting rod (8) has collecting vat (18).

3. The automatic positive and negative pressure forming device with the gas treatment mechanism as claimed in claim 2, wherein the sieve plate (17) is fixedly connected with the chain blocks of the chain (16) and is uniformly distributed, and the sieve plate (17) and the collecting tank (18) are located on the same vertical plane.

4. The automatic positive and negative pressure forming device provided with the gas treatment mechanism is characterized in that the backflow prevention valve structure comprises a fixing ring (19), a sliding rod (20), a blocking plate (21), a limiting ring (22) and a reset spring (23), the fixing ring (19) is fixedly installed on the inner wall of the circumference of one end, close to the gas treatment box (2), of the gas guide tube (4), the sliding rod (20) is installed in the fixing ring (19) in a sliding mode, the blocking plate (21) is fixedly installed at one end, close to the gas treatment box (2), of the sliding rod (20), the limiting ring (22) is fixedly installed at one end, far away from the gas treatment box (2), of the sliding rod (20), and the reset spring (23) is connected between the limiting ring (22) and the fixing ring (19).

5. The automatic positive and negative pressure forming device with the gas treatment mechanism as claimed in claim 4, wherein the fixing ring (19) is provided with a vent hole, the sliding rod (20) is located in an inner cavity of the return spring (23), and a sealing gasket is fixedly mounted on the circumferential side wall of the blocking plate (21).

6. The automatic positive and negative pressure forming device equipped with a gas processing mechanism as claimed in claim 1, wherein the gas processing tank (2) is internally provided with chemical agents.

7. The automatic positive and negative pressure forming device provided with the gas treatment mechanism as claimed in claim 1, wherein a filter plate is fixedly installed at the top end of the gas outlet pipe (5).