CN211227876U - Paper holder forming device - Google Patents

Abstract

The utility model discloses a paper holder forming device, which comprises a frame, wherein the lower end of the frame is provided with a box body for holding slurry, and the right side of the frame is provided with an electric cabinet; an upper die is arranged right above the box body, and a forming bulge is arranged at the lower end of the upper die; a lower die is arranged in the box body and is arranged right below the upper die, a forming cavity is arranged at the upper end of the lower die, and the lower die is driven by a second power mechanism to be close to or far away from the upper die; one side of the box body is provided with a slurry supply mechanism, the slurry supply mechanism comprises a conveying pipeline communicated with the interior of the box body, the conveying pipeline is connected with a slurry supply pipe, the other end of the slurry supply pipe is connected with a slurry supply box, and the slurry supply pipe is provided with a power pump; an upper liquid level sensor and a lower liquid level sensor are respectively arranged at the upper end and the lower end of the inner side wall of the box body, the upper liquid level sensor and the lower liquid level sensor are electrically connected with an electric cabinet, and the electric cabinet controls the power pump. The utility model discloses can supply thick liquids automatically, reduce artificial amount of labour, improve production efficiency.

Description

Paper holder forming device

Technical Field

The utility model relates to a paper holds in the palm the production field, specifically is a paper holds in palm forming device.

Background

The Paper holder (Paper holder) is made up by using Paper box leftover material, newsprint and white pure wood pulp as raw material through the processes of pulping, mixing them to obtain pulp material with a certain concentration, forming on a special-made mould and drying so as to obtain the invented packaging product with different kinds and uses. The packaging material has good shockproof, anti-impact, anti-static and anti-corrosion effects, has no pollution to the environment, is more beneficial to the export of products of manufacturers, and is widely applied to the packaging of industries such as electronics, electrical appliances, computers, mechanical parts, industrial instruments, artware glass, ceramics, toys, medicines and the like. But the unable automatic feed of current paper support former mainly supplements into the box body with thick liquids through the manual work in, the feeding is inconvenient, and workman's amount of labour is big, low in production efficiency.

Disclosure of Invention

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a paper holds in palm forming device, this forming device can supply thick liquids automatically, reduces artificial amount of labour, improves production efficiency.

The paper holder forming device comprises a frame, wherein a box body for containing slurry is arranged at the lower end of the frame, and an electric cabinet is arranged at the upper end of the right side of the frame; the upper die is arranged right above the box body, and the lower end of the upper die is provided with a forming bulge matched with the shape of the paper support; the lower die is arranged in the box body and is arranged right below the upper die, a forming cavity is formed in the upper end of the lower die, and the lower die is driven by a second power mechanism to be close to or far away from the upper die; the slurry supply mechanism is arranged on one side of the box body and comprises a conveying pipeline communicated with the interior of the box body, the conveying pipeline is connected with a slurry supply pipe, the other end of the slurry supply pipe is connected with a slurry supply box, and a power pump is arranged on the slurry supply pipe; an upper liquid level sensor and a lower liquid level sensor are respectively arranged at the upper end and the lower end of the inner side wall of the box body, the upper liquid level sensor and the lower liquid level sensor are electrically connected with the electric cabinet, and the electric cabinet controls the power pump.

According to the utility model discloses a paper holds in palm forming device has following technological effect at least: through setting the lower mould in the box, the thick liquids is equipped with in the box, in the forming process, at first the lower mould is driven by second power unit and descends submergence in the box, the shaping chamber is filled up to thick liquids, second power unit drive lower mould upward movement is constantly close to last mould afterwards, in last mould and lower mould compound die in-process, the moisture in thick liquids is extruded with the effect of shaping chamber to the shaping arch, and form gradually, and adsorb on the shaping arch, second power unit drive lower mould descends to submerge again in the box afterwards, then take off the paper support, get into next duty cycle. By arranging the upper liquid level sensor and the lower liquid level sensor in the box body, when the lower liquid level sensor detects that the liquid level of the slurry in the box body is lower than the lower limit position, a signal is transmitted to the electric cabinet, and the electric cabinet controls the power pump to start to supplement the slurry in the box body; when the upper liquid level sensor detects that the liquid level of the slurry in the box body reaches the upper limit, a signal is transmitted to the electric cabinet, the electric cabinet controls the power pump to stop supplying the slurry into the box body, the slurry is automatically supplemented into the box body, the operation of workers is reduced, the production efficiency is improved, and the production cost is reduced.

According to some embodiments of the utility model, one side intercommunication of box has the drain pipe, the drain pipe with the intercommunication department of the inside of box is provided with the filter screen, the drain pipe other end is connected with the water tank that is used for collecting waste water, be provided with the first pump body on the drain pipe, the driver of the first pump body with lower level sensor electricity is connected.

According to some embodiments of the utility model, go up the mould with the protruding integrated into one piece of shaping, just be provided with heating module in the shaping arch.

According to some embodiments of the utility model, the bellied inside of shaping is provided with hollow cavity, be provided with heating pipe in the cavity, the heating pipe electricity is connected the electric cabinet.

According to some embodiments of the utility model, it is provided with vacuum air guide mechanism to go up the mould top, vacuum air guide mechanism is provided with and runs through go up the pipeline of giving vent to anger of mould, the pipeline intercommunication of giving vent to anger has the air guide hose, the one end intercommunication of air guide hose has the vacuum pump.

According to some embodiments of the present invention, the upper mold is slidably disposed on the frame, a plurality of slide rails are disposed on the frame along the front-back direction, the upper mold is slidably connected to the slide rails through sliders, and the upper mold is driven by the first power mechanism to move along the front-back direction; the front end of the rack is provided with a supporting plate, the supporting plate is arranged below the upper die, and the supporting plate is driven by a third power mechanism to lift up and down.

According to some embodiments of the utility model, third power unit including vertical set up in the third pneumatic cylinder of frame front end, the piston rod of third pneumatic cylinder is connected with the backup pad.

According to some embodiments of the utility model, the front end of frame is provided with the conveying mechanism who is used for carrying the bearing net, conveying mechanism is used for the bearing including two the conveyer belt of the side of bearing net, the backup pad is located two between the conveyer belt, be close to in the backup pad one side of the feed end of conveyer belt is provided with first sensor, first sensor is used for detecting the bearing net, and control the third pneumatic cylinder, in order to rise the backup pad holds up the bearing net.

According to some embodiments of the utility model, the backup pad is close to the adjacent baffle that is provided with in one side of the discharge end of conveyer belt, the baffle is gone up and down by fourth cylinder drive.

According to the utility model discloses a some embodiments, both ends are protruding connecting portion that are equipped with respectively about the lower mould, second power unit includes that two series connection set up the second pneumatic cylinder of frame upper end, two the piston rod of second pneumatic cylinder connect respectively in the upper end of connecting portion.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

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 left-view structure diagram of the embodiment of the present invention in partial section;

fig. 2 is a schematic diagram of a partially cut-away right-view structure of an embodiment of the present invention;

fig. 3 is a schematic front view of a part of the structure of the embodiment of the present invention in a non-operating state;

FIG. 4 is a schematic view, partly in section, of FIG. 3 in an operational state;

fig. 5 is a schematic structural diagram of the conveying mechanism and the supporting plate in the embodiment of the present invention.

Reference numerals:

100-frame, 110-slide rail;

200-box, 210-upper liquid level sensor, 220-lower liquid level sensor;

300-an electric cabinet, 310-keys and 320-a display screen;

400-upper die, 410-forming protrusion, 411-cavity, 420-heating conduit, 430-guide hole and 440-first hydraulic cylinder;

500-lower die, 510-forming cavity, 520-connecting part, 530-second hydraulic cylinder and 540-positioning column;

610-conveying pipeline, 620-slurry supply pipe, 630-slurry supply box and 640-power pump;

710-a drain pipe, 720-a filter screen, 730-a water tank and 740-a first pump body;

810-an air outlet pipeline, 820-an air guide hose, 830-a vacuum pump and 840-a one-way exhaust valve;

910-supporting plate, 920-third hydraulic cylinder, 930-conveying belt, 940-supporting net, 950-baffle plate and 960-fourth cylinder.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", etc., are referred to the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are descriptions of "first", "second", "third", "fourth", etc., these are only used for distinguishing technical features, and they are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying order of indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a paper holder forming device according to an embodiment of the present invention includes a frame 100, an upper mold 400, a lower mold 500, and a slurry supply mechanism, wherein a box 200 for holding slurry is provided at a lower end of the frame 100, and an electric cabinet 300 is provided at an upper end of a right side of the frame 100; the upper die 400 is arranged right above the box body 200, and the lower end of the upper die 400 is provided with a forming bulge 410 matched with the shape of the paper holder; the lower die 500 is arranged in the box body 200, the lower die 500 is arranged right below the upper die 400, the upper end of the lower die 500 is provided with a forming cavity 510, and the lower die 500 is driven by a second power mechanism to be close to or far away from the upper die 400; the slurry supply mechanism is arranged at one side of the box body 200, the slurry supply mechanism comprises a conveying pipeline 610 communicated with the interior of the box body 200, the conveying pipeline 610 is connected with a slurry supply pipe 620, the other end of the slurry supply pipe 620 is connected with a slurry supply box 630, and a power pump 640 is arranged on the slurry supply pipe 620; an upper liquid level sensor 210 and a lower liquid level sensor 220 are respectively arranged at the upper end and the lower end of the inner side wall of the box body 200, the upper liquid level sensor 210 and the lower liquid level sensor 220 are electrically connected with an electric cabinet 300, and the electric cabinet 300 controls a power pump 640. Compared with the prior art, the embodiment of the utility model provides a through setting up lower mould 500 in box 200, thick liquids are equipped with in the box 200, in the forming process, at first lower mould 500 descends the submergence by the drive of second power unit in box 200, thick liquids fill up into molding cavity 510, second power unit drive lower mould 500 upward movement constantly is close to last mould 400 afterwards, at last mould 400 and the compound die in-process of lower mould 500, the protruding 410 of shaping extrudes the moisture in the thick liquids with the effect of molding cavity 510, and the shaping gradually, and adsorb on the protruding 410 of shaping, second power unit drive lower mould 500 descends submergence again afterwards and returns in the box 200, then hold in the palm the paper and take off, get into next duty cycle. By arranging the upper liquid level sensor 210 and the lower liquid level sensor 220 in the box body 200, when the lower liquid level sensor 220 detects that the liquid level of the slurry in the box body 200 is lower than the lower limit, a signal is transmitted to the electric cabinet 300, and the electric cabinet 300 controls the power pump 640 to start to supplement the slurry into the box body 200; when the upper liquid level sensor 210 detects that the liquid level of the slurry in the box body 200 reaches the upper limit, a signal is transmitted to the electric cabinet 300, the electric cabinet 300 controls the power pump 640 to stop supplying the slurry into the box body 200, automatic slurry supplement into the box body 200 is realized, the operation of workers is reduced, the production efficiency is improved, and the production cost is reduced. Specifically, the second power mechanism is electrically connected to the electric cabinet 300, a programmable controller is disposed in the electric cabinet 300, and an inputtable button 310 and a display screen 320 are disposed on the surface of the electric cabinet 300. By the arrangement, different control programs can be input into the programmable controller through the input keys 310 according to actual needs to meet working requirements, and whether the input control programs are correct or not can be checked in real time through the display screen 320, so that the operation is intuitive and convenient.

As shown in fig. 4, a guide hole 430 is formed at a lower end of the upper mold 400, a positioning post 540 matched with the guide hole 430 is formed at an upper end of the lower mold 500, and the positioning post 540 is inserted into the guide hole 430 when the upper mold 400 and the lower mold 500 are closed. Under the positioning and guiding effects of the positioning columns 540 and the guiding holes 430, the lower die 500 is kept aligned with the upper die 400 in the ascending process, so that the forming protrusions 410 are accurately pressed in the forming cavity 510 to extrude moisture in the slurry to form a paper holder, and the forming quality of the paper holder is further improved. Specifically, the inlet of the guide hole 430 has an arc shape. The positioning posts 540 are then inserted into the guide holes 430 aligned with the arc-shaped inlets, so that the forming protrusions 410 are accurately pressed into the forming cavities 510.

As shown in fig. 2, in some embodiments of the present invention, a drain pipe 710 is connected to one side of the box 200, a filter screen 720 is disposed at a communication position between the drain pipe 710 and the inside of the box 200, a water tank 730 for collecting waste water is connected to the other end of the drain pipe 710, a first pump body 740 is disposed on the drain pipe 710, and a driver of the first pump body 740 is electrically connected to the lower liquid level sensor 220. At the in-process of fashioned paper support, thereby the thick liquids are extruded moisture shaping, and moisture gets back to in the box 200, if not in time with the waste water discharge in the box 200, can influence the concentration of thick liquids in the box 200, and then influence fashioned quality. Through setting up drain pipe 710 in one side of box 200, when the liquid level of the thick liquids in box 200 low to the liquid level that lower level sensor 220 corresponds, transmission signal gives electric cabinet 300, and electric cabinet 300 controls first pump body 740 operation, takes out the waste water in box 200 to water tank 730 through drain pipe 710 in, after the waste water of extraction a period, controls power pump 640 again and starts to supply thick liquids in box 200, ensures that the concentration of thick liquids in box 200 keeps in suitable scope. Through setting up filter screen 720 for the shredded paper raw materials that are used for shaping paper support in the thick liquids can not be taken out at the process of drawing waste water.

In some embodiments of the present invention, the upper mold 400 and the forming protrusion 410 are integrally formed, and a heating module is disposed in the forming protrusion 410. In the process of closing the upper die 400 and the lower die 500, the heating module generates heat to accelerate the evaporation of the pulp water vapor and the forming speed of the paper holder.

As shown in fig. 4, further, a hollow cavity 411 is disposed inside the forming protrusion 410, a heating conduit 420 is disposed inside the cavity 411, and the heating conduit 420 is electrically connected to the electric cabinet 300. In this way, in the process that the second power mechanism drives the lower die 500 to rise and close to the upper die 400 for die assembly, the electric cabinet 300 controls the heating conduit 420 to be electrified and heated to accelerate the steaming of the pulp water vapor and accelerate the forming speed of the paper holder.

As shown in fig. 3 and 4, in some embodiments of the present invention, a vacuum air guide mechanism is disposed on the top of the upper mold 400, the vacuum air guide mechanism is provided with an air outlet pipe 810 penetrating through the upper mold 400, the air outlet pipe 810 is communicated with an air guide hose 820, and one end of the air guide hose 820 is communicated with a vacuum pump 830. In the process of closing the upper die 400 and the lower die 500, the forming protrusion 410 and the forming cavity 510 act to extrude moisture in the slurry and gradually form the slurry, the vacuum pump 830 is started simultaneously, the vacuum pump 830 pumps out air in a space surrounded by the formed paper support and the lower end of the upper die 400, so that the space between the formed paper support and the upper die 400 tends to be vacuum, the formed paper support is adsorbed on the upper die 400, then the lower die 500 is driven by the second power mechanism to descend and be immersed back into the box body 200 again, and then the paper support is taken down and enters the next working cycle. Specifically, the lower end of the upper die 400 is provided with a one-way exhaust valve 840, and the one-way exhaust valve 840 is communicated with the air outlet pipeline 810. Through setting up one-way discharge valve 840 for in the in-process of pressing into the shaping paper holder, the space that the protruding 410 of shaping enclosed can only be bled through vacuum pump 830 in the paper holder after the shaping, and then makes the absorption of paper holder after the shaping go up mould 400 on, ensures to send out the unloading with the paper holder.

As shown in fig. 1 to 4, further, an upper die 400 is slidably disposed on the frame 100, two slide rails 110 are disposed on the frame 100 along the front-back direction, the upper die 400 is slidably connected to the two slide rails 110 through a slider, and the upper die 400 is driven by a first power mechanism to move along the front-back direction; the front end of the frame 100 is provided with a support plate 910, the support plate 910 is disposed below the upper mold 400, and the support plate 910 is driven by a third power mechanism to move up and down. In the forming process, firstly, the lower die 500 is driven by the second power mechanism to descend and be immersed in the box body 200, the forming cavity 510 is filled with slurry, then the second power mechanism drives the lower die 500 to move upwards to be continuously close to the upper die 400, in the die closing process of the upper die 400 and the lower die 500, the forming protrusion 410 and the forming cavity 510 act to extrude moisture in the slurry and gradually form, meanwhile, the vacuum pump 830 is started, the vacuum pump 830 extracts air in a space formed by a formed paper holder and the forming protrusion 410, so that the formed paper holder is adsorbed on the upper die 400, then the first power mechanism drives the upper die 400 to move forwards to the upper side of the supporting plate 910, then the third power mechanism drives the supporting plate 910 to move upwards to the lower end of the paper holder, the vacuum pump 830 stops running, so that the paper holder falls on the supporting plate 910, and then the upper die 400 moves backwards and enters the next. The embodiment of the utility model provides a structural design is simple reasonable, and the maintenance of being convenient for can hold in the palm the compression moulding with paper automatically to automatic send out the unloading with fashioned paper support, realize automatic production. Specifically, the first power mechanism includes a first hydraulic cylinder 440 disposed on the frame 100, and a piston rod of the first hydraulic cylinder 440 is connected to a rear sidewall of the upper mold 400. Compared with mechanical transmission and electric transmission, the hydraulic transmission has the characteristics of small volume, light weight, small movement inertia, high reaction speed, convenient operation and control, capability of realizing large-scale stepless speed regulation, capability of automatically realizing overload protection, long service life and the like. The hydraulic transmission can easily realize linear motion and the automation of the machine, and after the electro-hydraulic combined control is adopted, not only can the automatic control process of higher degree be realized, but also the remote control can be realized. The first power mechanism is not limited to the hydraulic cylinder, and the hydraulic cylinder may be replaced with a power element such as an air cylinder according to actual needs.

As shown in fig. 1 and 2, further, the third power mechanism includes a third hydraulic cylinder 920 vertically disposed at the front end of the frame 100, and a piston rod of the third hydraulic cylinder 920 is connected to the support plate 910. When the upper die 400 drives the formed paper holder to move forward to the position right above the supporting plate 910, the third hydraulic cylinder 920 drives the supporting plate 910 to lift and abut against the lower end of the paper holder, the vacuum pump 830 stops working, the paper holder falls on the supporting plate 910, and the third hydraulic cylinder 920 drives the supporting plate 910 and the paper holder to descend together, so that blanking is completed. The third power mechanism is not limited to the hydraulic cylinder, and the hydraulic cylinder may be replaced with a power element such as an air cylinder according to actual needs.

As shown in fig. 1, fig. 2 and fig. 5, still further, a conveying mechanism for conveying the supporting net 940 is disposed at the front end of the frame 100, the conveying mechanism includes two conveying belts 930 for supporting the sides of the supporting net 940, the supporting plate 910 is disposed between the two conveying belts 930, a first sensor is disposed on the supporting plate 910 near the feeding end of the conveying belts 930, the first sensor is configured to detect the supporting net 940, and control the third hydraulic cylinder 920 to lift the supporting plate 910 to support the supporting net 940. In the blanking process, when the upper die 400 drives the formed paper holder to move forwards to the position right above the supporting plate 910, the electric cabinet 300 controls the third hydraulic cylinder 920 to drive the supporting plate 910 and the bearing net 940 to lift and abut against the lower end of the paper holder, the vacuum pump 830 stops working, the paper holder falls on the bearing net 940, the third hydraulic cylinder 920 drives the supporting plate 910, the bearing net 940 and the paper holder to descend together until the two sides of the bearing net 940 are attached to the two conveying belts 930, and the conveying belts 930 convey the bearing net 940 and the formed paper holder to the drying box for further drying, so that manual carrying is not needed, and the production efficiency is further improved; the supporting net 940 is provided with meshes, so that in the conveying process, the moisture of the paper support can drip through the meshes, and the natural drying is accelerated. And a first sensor is arranged on one side of the supporting plate 910 close to the feeding end of the conveying belt 930, when the conveying belt 930 conveys the bearing net 940 to the upper part of the supporting plate 910, the first sensor is detected by the first sensor and sends a signal to the electric cabinet 300, and the electric cabinet 300 controls the third hydraulic cylinder 920 to drive the supporting plate 910 to be lifted, so that the bearing net 940 is separated from the upper end of the conveying belt 930.

As shown in fig. 5, further, a baffle 950 is adjacently disposed on one side of the supporting plate 910 close to the discharging end of the conveying belt 930, the baffle 950 is driven by the fourth cylinder 960 to lift, a second sensor is disposed on one side of the supporting plate 910 close to the feeding end of the conveying belt 930, the second sensor is disposed at the lower end of the conveying belt 930, the second sensor detects the supporting net 940 before the supporting net 940 passes over the supporting plate 910, transmits a signal to the electric cabinet 300, and the electric cabinet 300 controls the fourth cylinder 960 to start, so as to enable the supporting plate 910 and the supporting net 940, on one hand, the supporting net 940 is prevented from being conveyed out without staying over the supporting plate 910, and on the other hand, the supporting net 940 does not stay at a position right above the supporting plate 910 due to inertia, thereby affecting blanking.

As shown in fig. 4, in some embodiments of the present invention, the left and right ends of the lower mold 500 are respectively protruded with a connecting portion 520, the second power mechanism includes two second hydraulic cylinders 530 connected in series at the upper end of the frame 100, and the piston rods of the two second hydraulic cylinders 530 are respectively connected to the upper ends of the connecting portions 520. Through establishing ties two second hydraulic cylinders 530, when lower mould 500 lift drive, two second hydraulic cylinders 530 simultaneous working, and then drive the steady lift of lower mould 500. Of course, according to actual requirements, four second hydraulic cylinders 530 may be provided, and piston rods of the four hydraulic cylinders are respectively connected to four corners of the lower mold 500, so as to drive the lower mold 500 to stably lift. The second power mechanism is not limited to the hydraulic cylinder, and the hydraulic cylinder may be replaced with a power element such as an air cylinder according to actual needs.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A paper holder forming device, comprising:

the slurry filling machine comprises a rack (100), wherein a box body (200) for containing slurry is arranged at the lower end of the rack (100), and an electric cabinet (300) is arranged at the upper end of the right side of the rack (100);

the upper die (400) is arranged right above the box body (200), and the lower end of the upper die (400) is provided with a forming bulge (410) matched with the shape of the paper holder;

the lower die (500) is arranged in the box body (200), the lower die (500) is arranged right below the upper die (400), a forming cavity (510) is arranged at the upper end of the lower die (500), and the lower die (500) is driven by a second power mechanism to be close to or far away from the upper die (400);

the slurry supply mechanism is arranged on one side of the box body (200), the slurry supply mechanism comprises a conveying pipeline (610) communicated with the interior of the box body (200), the conveying pipeline (610) is connected with a slurry supply pipe (620), the other end of the slurry supply pipe (620) is connected with a slurry supply box (630), and a power pump (640) is arranged on the slurry supply pipe (620); an upper liquid level sensor (210) and a lower liquid level sensor (220) are respectively arranged at the upper end and the lower end of the inner side wall of the box body (200), the upper liquid level sensor (210) and the lower liquid level sensor (220) are electrically connected with the electric cabinet (300), and the electric cabinet (300) controls the power pump (640).

2. The paper holder forming device according to claim 1, wherein a drain pipe (710) is communicated with one side of the box body (200), a filter screen (720) is arranged at the communication position of the drain pipe (710) and the inside of the box body (200), a water tank (730) for collecting waste water is connected to the other end of the drain pipe (710), a first pump body (740) is arranged on the drain pipe (710), and a driver of the first pump body (740) is electrically connected with the lower liquid level sensor (220).

3. The paper holder forming device according to claim 1, wherein the upper die (400) and the forming protrusion (410) are integrally formed, and a heating module is arranged in the forming protrusion (410).

4. A paper tray forming device according to claim 3, characterized in that a hollow cavity (411) is arranged inside the forming protrusion (410), a heating conduit (420) is arranged in the cavity (411), and the heating conduit (420) is electrically connected with the electric control box (300).

5. The paper holder forming device according to claim 1, wherein a vacuum air guide mechanism is arranged at the top of the upper die (400), the vacuum air guide mechanism is provided with an air outlet pipeline (810) penetrating through the upper die (400), the air outlet pipeline (810) is communicated with an air guide hose (820), and one end of the air guide hose (820) is communicated with a vacuum pump (830).

6. The paper holder forming device according to claim 5, wherein the upper die (400) is slidably arranged on the frame (100), a plurality of slide rails (110) are arranged on the frame (100) along the front-back direction, the upper die (400) is slidably connected to the slide rails (110) through slide blocks, and the upper die (400) is driven by a first power mechanism to move along the front-back direction; the front end of the frame (100) is provided with a supporting plate (910), the supporting plate (910) is arranged below the upper die (400), and the supporting plate (910) is driven by a third power mechanism to lift up and down.

7. The paper tray forming device as claimed in claim 6, wherein the third power mechanism comprises a third hydraulic cylinder (920) vertically arranged at the front end of the frame (100), and a piston rod of the third hydraulic cylinder (920) is connected with a support plate (910).

8. A paper tray forming apparatus as claimed in claim 7, characterized in that the front end of the frame (100) is provided with a conveying mechanism for conveying a supporting net (940), the conveying mechanism comprises two conveyor belts (930) for supporting the sides of the supporting net (940), the supporting plate (910) is located between the two conveyor belts (930), and a first sensor is arranged on the side of the supporting plate (910) close to the feeding end of the conveyor belts (930), the first sensor is used for detecting the supporting net (940) and controlling the third hydraulic cylinder (920) to lift the supporting plate (910) to support the supporting net (940).

9. A paper tray forming device according to claim 8, characterized in that a baffle (950) is arranged adjacent to the side of the support plate (910) near the discharge end of the conveyor belt (930), and the baffle (950) is driven by a fourth cylinder (960) to lift.

10. The paper tray forming device according to claim 1, wherein the left and right ends of the lower mold (500) are respectively provided with a connecting portion (520) in a protruding manner, the second power mechanism comprises two second hydraulic cylinders (530) connected in series at the upper end of the frame (100), and piston rods of the two second hydraulic cylinders (530) are respectively connected to the upper ends of the connecting portions (520).

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