Molded pulp wet pressing type forming machine

Abstract

The utility model discloses a molded pulp wet pressing type forming machine, which belongs to the technical field of molded pulp forming and comprises a base, the top of the base is fixedly connected with a lower die through a support component, a pressing mechanism is arranged above the lower die, the bottom of the lower die is provided with a mounting hole, a bottom plate is fixed in the mounting hole, and a drainage gap is arranged between the bottom plate and the lower die. A negative pressure assembly is arranged outside the lower mold and used for providing suction force for the lower mold when the pressing mechanism presses the paper pulp, and water in the lower mold can be conveniently pumped out. The device has the beneficial effects that the mounting hole is formed in the bottom of the lower mold, the bottom plate is fixed in the mounting hole, the drainage gap is formed between the bottom plate and the lower mold, after the upper mold descends to a certain height, paper pulp in the lower mold is pressed, meanwhile, water in the lower mold is conveniently pumped out of the drainage gap through the negative pressure assembly, and the drainage effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper pulp molding forming technical field, in particular to a kind of paper pulp molding wet pressing type forming machine. BACKGROUND

[0002] With people's increasingly rapid development of life needs and technological progress, paper pulp molding is a kind of three-dimensional papermaking technology, it uses waste paper as raw material, and certain shape paper products are molded on molding machine by special mold, it has four advantages, raw material is waste paper, including board paper, waste carton paper, waste white edge paper etc., source is extensive, its manufacturing process is completed by pulping, adsorption forming, drying and shaping etc., it is harmless to environment, and can be recycled and reused;Volume is smaller than foamed plastic, it can be overlapped, transportation is convenient, paper pulp molding, in addition to meal box, tableware, more make industrial cushion packaging, develop very quickly, paper pulp molding needs forming machine pressure casting processing forming.

[0003] Through the retrieval China patent announcement No.CN221545150U, disclose a kind of high-precision paper pulp molding wet pressing type forming machine, including lower mould and upper mould, the first lip plate of integrally arranged on lower mould is provided with overflow groove, overflow groove one end is provided with the placement groove of stop plate, and lower mould is provided with the upper mould of matched, the one end of drainage channel of upper mould is provided with drainage device, and the shell of drainage device is embedded in drainage channel one end port position, the plug is arranged in the inlet of shell, the baffle of plug one side is in contact on support spring, the other end of support spring is in contact on the end cover embedded in one end of shell.

[0004] However, the bottom wall and side wall of the upper mold are provided with several drainage channels in the above-mentioned patent, and the water flow from bottom to top will be hindered to some extent, and the drainage effect is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned problem and provides a kind of paper pulp molding wet pressing type forming machine.

[0006] The utility model realizes the above-mentioned purpose by the following technical scheme:

[0007] A kind of paper pulp molding wet pressing type forming machine, including base, the top of base is fixedly connected with lower mould by support assembly, the upper side of lower mould is provided with pressing mechanism, the bottom of lower mould is provided with mounting hole, bottom plate is fixed in mounting hole, there is drainage gap between bottom plate and lower mould, the outside of lower mould is provided with negative pressure assembly, negative pressure assembly is used to provide suction force for lower mould when pressing mechanism is pressed to paper pulp, to facilitate the water in lower mould is pumped out.

[0008] Preferably, the negative pressure assembly comprises a sealing box slidingly connected to the outer wall of the lower mold, both sides of the sealing box are fixedly connected with extension plates, the top of the extension plates is fixedly connected with convex strips, springs are connected between the extension plates and the base, the bottom of the sealing box is fixedly connected with a drain pipe, and the drain pipe is provided with an electromagnetic valve.

[0009] Preferably, the support assembly comprises a fixed frame fixedly connected to the outer side of the lower mold, the fixed frame is located at the top of the lower mold, and a plurality of support columns are fixedly connected between the bottom of the fixed frame and the base.

[0010] Preferably, the support columns are distributed at four corners of the fixed frame.

[0011] Preferably, the pressing mechanism comprises a mounting frame fixedly connected to the top of the base, a hydraulic cylinder fixedly connected to the mounting frame, a horizontal plate fixedly connected to the bottom of the hydraulic cylinder, and an upper mold fixedly connected to the bottom of the horizontal plate.

[0012] Preferably, the horizontal plate descends to abut against the convex strips.

[0013] The beneficial effects are that the bottom of the lower mold is provided with a mounting hole, the bottom plate is fixedly arranged in the mounting hole, and a drainage gap is formed between the bottom plate and the lower mold; when the upper mold is lowered to a certain height, the paper pulp in the lower mold is pressed, at the same time, the negative pressure assembly is used to conveniently drain the water in the lower mold from the drainage gap, and the drainage effect is improved; after the pressing is completed, when the sealing box moves upward under the action of the springs, the gas in the sealing box is blown into the lower mold through the drainage gap, so that the molded paper pulp in the lower mold is separated from the lower mold, and demolding is facilitated.

[0014] The additional technical features and advantages of the paper pulp molding wet pressing type forming machine will be more obvious in the following description, or can be understood through the specific practice of the paper pulp molding wet pressing type forming machine. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the paper pulp molding wet pressing type forming machine, and constitute a part of the specification, and are used together with the following specific embodiments to explain the paper pulp molding wet pressing type forming machine, but do not constitute a limitation on the paper pulp molding wet pressing type forming machine.

[0016] Figure 1 is a general structure schematic view of the paper pulp molding wet pressing type forming machine;

[0017] Figure 2 is a front view of the internal structure of the paper pulp molding wet pressing type forming machine;

[0018] Figure 3 is a top view of the paper pulp molding wet pressing type forming machine;

[0019] Figure 4It is the negative pressure assembly schematic view of the paper pulp molding wet pressing type forming machine.

[0020] Figure 5 It is the support assembly and the lower die schematic view of the paper pulp molding wet pressing type forming machine.

[0021] The reference signs are explained as follows: 1, base; 201, support column; 202, fixed frame; 301, lower die; 302, bottom plate; 401, mounting frame; 402, hydraulic cylinder; 403, cross plate; 404, upper die; 501, sealing box; 502, extension plate; 503, convex strip; 504, spring; 505, drain pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0024] The present application will be further described below with reference to the drawings:

[0025] As Figures 1-5 shown, a paper pulp molding wet pressing type forming machine, including base 1, the top of base 1 is fixedly connected with lower die 301 through support assembly, the support assembly includes the fixed frame 202 of back shape, the fixed frame 202 is fixedly connected on the outside of lower die 301 four around, the fixed frame 202 is located at the top of lower die 301, a plurality of support columns 201 are fixedly connected between the bottom of fixed frame 202 and base 1, the support columns 201 are distributed at the four corners of fixed frame 202, the lower die 301 is fixedly supported by the support columns 201 and fixed frame 202, the bottom of lower die 301 is provided with mounting hole, the bottom of lower die 301 is bolted with bottom plate 302 located in mounting hole, there is drainage gap between bottom plate 302 and lower die 301, which facilitates the timely drainage of water squeezed out during pressing.

[0026] The upper portion of the lower mold 301 is provided with a pressing mechanism, which comprises a mounting frame 401 fixedly connected to the top of the base 1, the mounting frame 401 is a U-shaped opening downward, a hydraulic cylinder 402 is fixedly connected to the mounting frame 401, the bottom of the hydraulic cylinder 402 is fixedly connected with a horizontal plate 403, and the bottom of the horizontal plate 403 is fixedly connected with an upper mold 404 matched with the lower mold 301.

[0027] The outer portion of the lower mold 301 is provided with a negative pressure assembly, which is used for providing suction force for the lower mold 301 when the pressing mechanism presses the paper pulp, so as to facilitate the water in the lower mold 301 to be pumped out, the negative pressure assembly comprises a sealing box 501 slidably connected to the outer wall of the lower mold 301, two extension plates 502 are bolted to the top of the sealing box 501, the top of the extension plate 502 is bolted with a convex strip 503, the horizontal plate 403 is abutted with the convex strip 503 during the descending process, the spring 504 for resetting is connected between the extension plate 502 and the base 1, the bottom of the sealing box 501 is fixedly connected with a drain pipe 505, the drain pipe 505 is provided with a solenoid valve, the water in the sealing box 501 is conveniently discharged in time through the drain pipe 505, when the sealing box 501 moves downward, the water in the lower mold 301 is conveniently pumped out, when the sealing box 501 moves upward, the gas in the sealing box 501 is blown into the lower mold 301 through the drain gap, so as to facilitate the molded pulp in the lower mold 301 to be separated from the lower mold 301, and facilitate demolding.

[0028] Working principle: when in use, a proper amount of paper pulp is added into the lower mold 301, the horizontal plate 403 drives the upper mold 404 to move downward to press the paper pulp by controlling the hydraulic cylinder 402, the horizontal plate 403 is abutted with the convex strip 503 after descending to a certain height, the horizontal plate 403 presses the convex strip 503 downward, the convex strip 503 drives the extension plate 502 to drive the sealing box 501 to slide downward along the lower mold 301, so as to generate negative pressure between the sealing box 501 and the lower mold 301, the water in the lower mold 301 is conveniently pumped out from the drain gap, the effect of drainage is improved, the pressed water flows into the sealing box 501 through the drain gap between the bottom plate 302 and the lower mold 301, after the pressing is completed, the solenoid valve in the drain pipe 505 is opened, the water is discharged through the drain pipe 505, the solenoid valve is closed, the horizontal plate 403 drives the upper mold 404 to move upward by controlling the hydraulic cylinder 402, during the upward movement of the horizontal plate 403, the sealing box 501 moves upward and resets under the elastic force of the spring 504, the gas in the sealing box 501 is blown into the lower mold 301 through the drain gap, so as to facilitate the molded pulp in the lower mold 301 to be separated from the lower mold 301, and facilitate demolding.

[0029] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A pulp molding wet-pressing forming machine, comprising a base (1), the top of the base (1) is fixedly connected with a lower mold (301) through a supporting assembly, the upper side of the lower mold (301) is provided with a pressing mechanism, characterized in that: The bottom of the lower mold (301) is provided with a mounting hole, a bottom plate (302) is fixedly arranged in the mounting hole, and a drainage gap is arranged between the bottom plate (302) and the lower mold (301); and a negative pressure assembly is arranged outside the lower mold (301), which is used for providing suction force for the lower mold (301) when the pressing mechanism presses the paper pulp, so as to facilitate the drainage of water in the lower mold (301).

2. A pulp moulding wet press forming machine according to claim 1, characterised in that: The negative pressure assembly comprises a sealing box (501) which is slidably connected to the outer wall of the lower mold (301), and the two sides of the sealing box (501) are fixedly connected with extension plates (502), the top of the extension plate (502) is fixedly connected with a convex strip (503), the extension plate (502) and the base (1) are connected with springs (504), the bottom of the sealing box (501) is fixedly connected with a drain pipe (505), and the drain pipe (505) is provided with an electromagnetic valve.

3. A pulp molding wet press forming machine according to claim 1, characterized in that: The supporting assembly comprises a fixed frame (202) which is fixedly connected to the outer side of the lower mold (301), and the fixed frame (202) is located at the top of the lower mold (301), and a plurality of supporting columns (201) are fixedly connected between the bottom of the fixed frame (202) and the base (1).

4. A pulp moulding wet press moulding machine according to claim 3, characterised in that: The supporting columns (201) are distributed at the four corners of the fixed frame (202).

5. A pulp molding wet press forming machine according to claim 2, characterized in that: The pressing mechanism comprises a mounting frame (401) which is fixedly connected to the top of the base (1), a hydraulic cylinder (402) is fixedly connected to the mounting frame (401), the bottom of the hydraulic cylinder (402) is fixedly connected with a horizontal plate (403), and the bottom of the horizontal plate (403) is fixedly connected with an upper mold (404).

6. A pulp moulding wet press moulding machine according to claim 5, characterised in that: The horizontal plate (403) is lowered to abut against the convex strip (503).

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