CN216237897U - Pulp box of pulp molding machine - Google Patents

Abstract

The utility model discloses a pulp box of a pulp molding machine, which comprises: the frame, the box, the shaping lower mould, advance the thick liquid pipe, the excessive thick liquid pipe, advance the blast pipe, the box is fixed in the frame, the bottom half is provided with the inlet and outlet hole, the shaping lower mould is fixed in the box, advance thick liquid pipe and box fixed connection, excessive thick liquid pipe sets up advancing the thick liquid pipe below, excessive thick liquid pipe and box fixed connection, inlet and outlet pipe and inlet and outlet hole fixed connection, be provided with air inlet and gas vent on the inlet and outlet pipe, be connected with first valve body on the air inlet, first valve body is connected with air compressor, be connected with the second valve body on the gas vent, second valve body is connected with the negative-pressure box. The utility model has the function of blowing, compressed air can be blown into the pulp box from the bottom of the box body, so that the pulp concentration is uniform, the pulp particles are prevented from precipitating, redundant pulp can be sucked out to prepare for pulp forming processing, the weight and the quality of the pulp forming processing are ensured, and the pulp particles are stirred uniformly.

Description

Pulp box of pulp molding machine

Technical Field

The utility model relates to a pulp molding machine, in particular to a pulp box of the pulp molding machine.

Background

Pulp molding is a three-dimensional papermaking technique. The paper product is produced with waste paper as material and through special mold in a pulp molding machine, and the production process is completed through pulping, adsorption forming, drying, setting and other steps and is environment friendly; can be recycled and reused; the volume ratio expanded plastics is little, can overlap, transportation is convenient, therefore is widely used in cutlery box, tableware, egg tray, at present, before paper pulp is ready to carry out the shaping processing, paper pulp appears the phenomenon that thick liquids granule deposits in the thick liquid incasement easily, can make the concentration of paper pulp obtain no guarantee like this, the weight of the product of processing also can obtain no guarantee, can influence product quality even, need to ensure weight and the quality of product, just need make paper pulp concentration before processing even, just can process good product, consequently, in order to avoid the shortcoming that exists among the prior art, need improve prior art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a pulp box of a pulp molding machine, which can solve the problem of the sedimentation of pulp particles in the pulp box, has an air blowing function, and can blow compressed air into the pulp box from the bottom of the box body to ensure that the pulp concentration is uniform and the pulp particles are prevented from settling.

A pulp tank of a pulp molding machine according to an embodiment of a first aspect of the present invention includes: the slurry inlet pipe is fixedly connected with the box body, the slurry overflow pipe is arranged below the slurry inlet pipe, the slurry overflow pipe is fixedly connected with the box body, the gas inlet and exhaust pipe is fixedly connected with the gas inlet and exhaust hole, the gas inlet and exhaust pipe is provided with a gas inlet and a gas exhaust port, the gas inlet is connected with a first valve body, the first valve body is connected with an air compressor, the gas exhaust port is connected with a second valve body, and the second valve body is connected with a negative pressure box.

The pulp box of the pulp molding machine according to the embodiment of the utility model at least has the following beneficial effects: the utility model can solve the problem of slurry particles depositing in the slurry box, has the air blowing function, can blow compressed air into the slurry box from the bottom of the box body to ensure uniform pulp concentration and prevent the slurry particles from depositing, can suck out redundant slurry to prepare for the forming processing of the pulp and ensure the weight and the quality of the forming processing of the pulp, firstly, the pulp is injected into the box body from a pulp inlet pipe, when the injected pulp reaches a set amount, the injection is stopped, a first valve body on an air inlet and exhaust pipe is opened, the air pressure in the box body is smaller than the air pressure of an air compressor, the air compressor blows in the compressed air from an air inlet hole, the compressed air is blown into the box body from the air inlet and exhaust pipe through the air inlet and exhaust pipe, the slurry particles deposited in the box body are blown up and stirred to ensure uniform pulp concentration, the uniform pulp is sucked into a forming lower die, then the first valve body is closed, a second valve body is opened, the air pressure in the box body is larger than the negative pressure box, air in the box body is sucked into the negative pressure box, redundant slurry in the box body is sucked out of the box body and discharged from the slurry overflow pipe, and the slurry sucking process is completed.

According to some embodiments of the utility model, the slurry inlet pipe is provided with a third valve body, and the slurry overflow pipe is provided with a fourth valve body.

According to some embodiments of the utility model, the second and third valve bodies are pneumatic butterfly valves.

According to some embodiments of the utility model, the first and fourth valve bodies are angle seat valves.

According to some embodiments of the utility model, the slurry inlet pipe has two pieces, and the slurry overflow pipe has two pieces.

According to some embodiments of the utility model, a cavity is provided on the lower molding die.

According to some embodiments of the utility model, a slurry storage tank is connected to the slurry inlet pipe.

According to some embodiments of the utility model, a height of the case is greater than a height of the lower molding die.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic side view of an internal structure of an embodiment of the present invention;

FIG. 3 is an installation diagram of a first valve body, a second valve body, a third valve body and a fourth valve body according to an embodiment of the utility model;

FIG. 4 is a schematic top view of an embodiment of the present invention.

In the figure: 100. a frame; 200. a box body; 210. an air inlet and outlet hole; 300. forming a lower die; 310. a cavity; 400. a pulp inlet pipe; 410. a third valve body; 500. a slurry overflow pipe; 510. a fourth valve body; 600. an air inlet and outlet pipe; 610. an air inlet; 620. an exhaust port; 630. a first valve body; 640. a second valve body.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 to 4, a pulp tank of a pulp molding machine of the present invention includes: frame 100, box 200, shaping lower mould 300, advance thick liquid pipe 400, overfall pipe 500, air inlet and outlet pipe 600, box 200 is fixed on frame 100, box 200 bottom is provided with air inlet and outlet hole 210, shaping lower mould 300 is fixed in box 200, advance thick liquid pipe 400 and box 200 fixed connection, overfall pipe 500 sets up in advance thick liquid pipe 400 below, overfall pipe 500 and box 200 fixed connection, air inlet and outlet pipe 600 and air inlet and outlet hole 210 fixed connection, be provided with air inlet 610 and exhaust port 620 on the air inlet and outlet pipe 600, be connected with first valve body 630 on the air inlet 610, first valve body 630 is connected with air compressor, be connected with second valve body 640 on the exhaust port 620, second valve body 640 is connected with the negative pressure box.

The utility model can solve the problem of the sedimentation of the pulp particles in the pulp box, has the air blowing function, can blow compressed air into the pulp box from the bottom of the box body 200 to make the pulp concentration uniform, prevent the sedimentation of the pulp particles, can suck out the redundant pulp, prepare for the pulp forming processing, and ensure the weight and the quality of the pulp forming processing, as shown in figure 2 and figure 3, firstly, the pulp is injected into the box body 200 from the pulp inlet pipe 400, when the injected pulp reaches the set amount, the injection is stopped, the first valve body 630 on the air inlet and outlet pipe 600 is opened, at the moment, the air pressure in the box body 200 is smaller than the air pressure of an air compressor, the air compressor blows the compressed air from an air inlet hole, the compressed air is blown into the box body 200 from the air inlet and outlet hole 210 through the air inlet and outlet pipe 600, the pulp particles settled in the box body 200 are blown up to be stirred, the pulp concentration becomes uniform, and the uniform pulp is sucked into the forming lower die 300, then the first valve body 630 is closed, the second valve body 640 is opened, at this time, the air pressure in the box body 200 is greater than the air pressure of the negative pressure box, the air in the box body 200 is sucked into the negative pressure box, the redundant slurry in the box body 200 is sucked out of the box body 200 and discharged from the slurry overflow pipe 500, and the slurry sucking process is completed, wherein the forming lower die 300 sucks the slurry to prepare for forming processing of the slurry, the slurry inlet pipe 400 injects the slurry, the slurry overflow pipe 500 discharges the redundant slurry, the air inlet and outlet pipe 600 is used for air inlet and exhaust, the first valve body 630 controls the air inlet process, and the second valve body 640 controls the air exhaust process, so that the slurry particles are uniformly stirred.

In order to adjust the closing and starting of the pulp inlet pipe 400 and the pulp overflow pipe 500, the third valve body 410 is installed on the pulp inlet pipe 400, the fourth valve body 510 is installed on the pulp overflow pipe 500, the pulp needs to enter the box body 200 of the pulp box through the pulp inlet pipe 400, when the pulp in the box body 200 reaches a set amount, the third valve body 410 is closed, the pulp inlet pipe 400 stops injecting the pulp, the redundant pulp needs to be discharged through the pulp overflow pipe 500, after the forming lower die 300 finishes sucking the pulp, the fourth valve body 510 is opened, the redundant pulp is discharged through the pulp overflow pipe 500, and the forming work of the pulp molding machine is ensured not to be influenced.

Further, according to some embodiments of the present invention, the second valve 640 and the third valve 410 are pneumatic butterfly valves, which have simple structure, small size, light weight, and low cost, and when the pneumatic butterfly valves are fully opened, the effective flow area is large, and the opening and closing are rapid and labor-saving.

Further, according to some embodiments of the present invention, the first valve body 630 and the fourth valve body 510 are angle seat valves, which can be frequently activated in a short time, maintain a flow rate, save space, and provide a sensitive response and an accurate action.

It should be noted that other shut-off valves may be used for the first valve body 630, the second valve body 640, the third valve body 410, and the fourth valve body 510, and the third valve body 410 is capable of adjusting the amount of pulp injected into the tank 200 in order to ensure airtightness of the first valve body 630 and the second valve body 640.

In order to improve the efficiency of injecting paper pulp and discharging redundant paper pulp, the number of the pulp inlet pipes 400 is two, the number of the pulp overflow pipes 500 is two, the amount of the paper pulp injected into the box body 200 can be submerged in the lower forming die 300 to facilitate the pulp suction of the lower forming die 300, the amount of the paper pulp injected and discharged each time is larger, the processing efficiency can be improved by adding the pulp inlet pipes 400 and the pulp overflow pipes 500, and the gravity center of the pulp box can be balanced when the paper pulp is injected and discharged by arranging the two pulp inlet pipes 400 and the two pulp overflow pipes 500.

It should be noted that, the processing efficiency is improved by increasing the number of the slurry inlet pipe 400 and the slurry overflow pipe 500 instead of increasing the diameters of the slurry inlet pipe 400 and the slurry overflow pipe 500, so that the defects of high price, poor performance and short service life of large-size valve bodies can be avoided, only the small-size valve bodies with corresponding number need to be increased when the number of the slurry inlet pipe 400 and the slurry overflow pipe 500 is increased, when the slurry inlet pipe 400 and the slurry overflow pipe 500 are damaged, only the damaged pipeline needs to be repaired and replaced, the maintenance cost is low, the structure is simple, and the realization is convenient.

Further, according to some embodiments of the present invention, a cavity 310 is formed in the lower mold 300, and the cavity 310 is used for molding pulp such that the pulp forms the shape of the cavity 310.

Further, according to some embodiments of the present invention, a stock chest is connected to the stock pipe 400, the stock chest stores unprocessed pulp raw material, and when processing is required, the raw material is injected into the chest 200 from the stock pipe 400, ensuring the normal processing.

In order to prevent the pulp from overflowing the box 200, the height of the box 200 is greater than that of the lower molding die 300, and the amount of the pulp injected into the box 200 during processing is greater than that of the lower molding die 300, so that the lower molding die 300 can conveniently absorb the pulp, therefore, the height of the box 200 is greater than that of the lower molding die 300, and the pulp is not easy to overflow from the edge of the box 200 after the pulp is injected, which causes waste, affects the machine environment, and affects the processing.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (8)

1. A pulp tank of a pulp molding machine is characterized by comprising:

a frame (100);

the box body (200), the box body (200) is fixed on the rack (100), and the bottom of the box body (200) is provided with an air inlet and outlet hole (210);

the lower molding die (300), the lower molding die (300) is fixed in the box body (200);

the slurry inlet pipe (400), the slurry inlet pipe (400) is fixedly connected with the box body (200);

the pulp overflow pipe (500), the pulp overflow pipe (500) is arranged below the pulp inlet pipe (400), and the pulp overflow pipe (500) is fixedly connected with the box body (200);

intake and exhaust pipe (600), intake and exhaust pipe (600) with intake and exhaust hole (210) fixed connection, be provided with air inlet (610) and gas vent (620) on intake and exhaust pipe (600), be connected with first valve body (630) on air inlet (610), first valve body (630) is connected with air compressor, be connected with second valve body (640) on gas vent (620), second valve body (640) are connected with the negative pressure tank.

2. The pulp tank of a pulp molding machine according to claim 1, characterized in that: the pulp inlet pipe (400) is provided with a third valve body (410), and the pulp overflow pipe (500) is provided with a fourth valve body (510).

3. The pulp tank of a pulp molding machine according to claim 2, characterized in that: the second valve body (640) and the third valve body (410) are pneumatic butterfly valves.

4. The pulp tank of a pulp molding machine according to claim 1, characterized in that: the first valve body (630) and the fourth valve body (510) are angle seat valves.

5. The pulp tank of a pulp molding machine according to claim 1, characterized in that: two pulp inlet pipes (400) are provided, and two pulp overflow pipes (500) are provided.

6. The pulp tank of a pulp molding machine according to claim 1, characterized in that: and a cavity (310) is arranged on the lower molding die (300).

7. The pulp tank of a pulp molding machine according to claim 1, characterized in that: the pulp inlet pipe (400) is connected with a pulp storage box.

8. The pulp tank of a pulp molding machine according to claim 1, characterized in that: the height of the box body (200) is greater than that of the lower molding die (300).

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