CN208072083U - A kind of paper pulp molding forming equipment - Google Patents

Abstract

The utility model provides a kind of paper pulp molding forming equipment, including rack, and slurry tank, wet blank forming machine structure, wet base transfer device and the hot-pressing shaping machine structure being arranged in the rack；The slurry tank is arranged in the frame lower；The wet blank forming machine structure is arranged in the slurry tank, and the wet blank forming machine structure draws the slurries in the slurry tank and is prepared into the wet base of paper matrix；The wet base transfer device corresponds to the wet blank forming machine structure and is arranged above rack, it is used to the wet base of paper matrix on the wet blank forming machine structure being transferred to the hot-pressing shaping machine structure, and the hot-pressing shaping machine structure is arranged in institute's rack for carrying out hot pressing shaping to the wet base of paper matrix.A kind of paper pulp molding forming equipment of the utility model can be used to produce quality pulp molding, and production efficiency is high.

Description

A kind of pulp molding equipment

technical field

The utility model relates to the field of pulp molding devices, in particular to pulp molding equipment.

Background technique

Pulp molding is a green and environmentally friendly product made of completely recyclable plant fiber pulp or waste paper as the basic material. It is the best substitute for foam plastic products in the fields of broken product liner packaging and so on.

The existing pulp molding production method is to produce wet pulp billet through pulp wet billet production equipment, and then the production personnel use hot pressing shaping equipment or natural drying method to dehydrate and shape the pulp wet billet, but with the development of society With the improvement of residents' consumption power, the demand for pulp molding is constantly increasing. The above-mentioned traditional pulp molding production methods have been unable to adapt to the current manufacturing industry due to factors such as low output, slow production speed, and unstable product quality. Therefore, there is an urgent need for a pulp molding device field that can be used to produce high-quality pulp molding and has high production efficiency.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a pulp molding equipment which can be used to produce high-quality pulp molding with high production efficiency.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a pulp molding equipment, including a frame, and a slurry tank, a wet billet forming mechanism, a wet billet transfer mechanism and a hot press shaping machine set on the frame mechanism; the slurry box is arranged at the lower part of the frame; the wet blank forming mechanism is arranged in the slurry box, and the wet blank forming mechanism absorbs the slurry in the slurry box to prepare a paper mold wet blank; The wet blank transfer mechanism is arranged above the frame corresponding to the wet blank forming mechanism, and it is used to transfer the paper mold wet blank on the wet blank forming mechanism to the hot-press shaping mechanism, and the hot-press shaping mechanism is set It is used on the stand for hot pressing and shaping of the wet blank of the paper mold.

Compared with the prior art, a kind of pulp molding equipment of the utility model is provided with a wet blank forming mechanism and a hot pressing shaping mechanism, which can complete all the production steps of pulp molding, thereby increasing the production speed of pulp molding, Realize the mass production of pulp molding; in addition, the pulp molding equipment realizes the assembly line production of pulp molding, saves human resources, greatly reduces production costs, and is suitable for large-scale promotion and use.

Preferably, the hot-press shaping mechanism includes a vacuum suction device, a pushing mechanism, a translation mechanism, and at least two sets of upper and lower templates; the two upper templates are arranged on the frame through the translation mechanism, and the two The upper template can move horizontally synchronously along the setting direction of the translation mechanism; the two lower templates are arranged on the frame correspondingly to the upper template through the pushing mechanism, and the two lower templates can move vertically direction movement; the vacuum suction device is arranged on the two sets of upper and lower templates, and is used for absorbing and blowing out the wet embryos of paper molds in the mold cavities of the upper and lower templates.

The setting method of the above-mentioned hot-press shaping mechanism has the following beneficial effects:

(1) It is known that the dehydration efficiency of a single upper and lower template for the paper mold wet blank in a unit time is limited. In order to ensure that the paper mold wet blank is fully dehydrated, it is necessary to extend the mold clamping time of the upper and lower templates, but this The hot pressing and shaping time of the wet billet of the paper mold is extended, which reduces the production efficiency of the pulp molding equipment, and the upper and lower templates are closed and heated for a long time, which is prone to damage to parts and increases energy consumption; through hot pressing and shaping There are at least two upper templates and at least two lower templates on the mechanism, and the processing method of dehydrating the paper mold wet blank multiple times. Compared with the existing hot pressing forming equipment, this equipment can realize continuous The production efficiency is high by processing multiple wet film blanks; in addition, the clamping time of the upper and lower templates of this equipment is shortened, which can effectively reduce the energy consumption and damage loss of parts during the hot pressing shaping process, thereby reducing Equipment maintenance costs and production costs;

(2) By dehydrating the wet paper mold blank multiple times, it can effectively avoid the problems of large shrinkage, serious deformation, and high reject rate due to excessive single-time water loss of the paper mold wet blank;

(3) By repeatedly extruding the wet paper mold blank, the structural strength of the wet paper mold blank and the shape accuracy of the wet paper mold blank can be effectively improved, thereby producing high-quality pulp molding;

(4) By arranging the three upper templates in the same translation mechanism, the three upper templates can be moved horizontally at the same time, which effectively simplifies the internal structure of the equipment, thereby reducing production costs and facilitating later maintenance.

Preferably, the translation mechanism includes a horizontal drive device, an upper mold fixing plate, and guides arranged on both sides of the inner end of the upper part of the frame; the upper mold is arranged on the upper mold fixing plate, and the upper mold The fixing plate is slidably connected with the guide piece through a sliding piece; the horizontal driving device is used to drive the upper die fixing plate to slide along the length direction of the guide piece.

Preferably, it also includes a pressure adjustment structure, the pressure adjustment structure is arranged on the frame and located above the upper mold fixing plate, and the pressure adjustment structure is used to slow down the pressure between the upper mold plate and the lower mold plate. Shock during mold closing.

By arranging a pressure regulating structure on the upper template, it is avoided that when the upper template is lifted upwards, the slider presses the guide, causing the slider and the guide to be damaged at the same time, thereby effectively eliminating the The extrusion force generated on the sliding member and the guide member when the upper template is molded with the lower template ensures the processing accuracy of the hot-press shaping mechanism.

Preferably, it also includes a lower mold fixing plate, the lower mold fixing plate is arranged on the ejecting mechanism, and the lower template is arranged on the upper end of the lower mold fixing plate; the pushing mechanism can drive the lower mold The fixed plate moves toward the upper mold fixed plate to close the upper mold and the lower mold.

Preferably, the ejector mechanism includes a vertical drive device, a first guide structure and at least two sets of linkage mechanisms, the first guide structure connects the lower mold fixing plate and the frame, and the lower mold is fixed The plate can move up and down along the first guide structure, two sets of link mechanisms are symmetrically arranged between the lower mold fixing plate and the frame, and the supporting ends of the two sets of link mechanisms are respectively connected to the lower mold for fixed plate and frame, the vertical driving device is arranged on the frame and is located between the two groups of linkage mechanisms, the output end of the vertical driving device is connected to the two groups of connecting rod mechanisms through the first connecting block The power end of the rod mechanism is connected.

By arranging a link mechanism on the ejector mechanism, the extrusion force generated when the lower template and the upper template are clamped can be effectively increased, thereby improving the dehydration of the wet billet of the paper mold by the hot-press shaping mechanism effect and response speed; in addition, the connecting rod assembly is simple in structure, fully utilizes the principle of leverage, so that the driving device can drive the first connecting block to move in the vertical direction with the minimum output power, thereby reducing energy consumption and reducing production costs. investment, while saving resources, in line with the requirements of green production.

Preferably, the connecting rod mechanism includes a first connecting rod, a second connecting rod and a second connecting block, one end of the first connecting rod and the second connecting rod is a power end, and the first connecting rod and the second connecting rod The other end of the connecting rod is a supporting end, and the two supporting ends are respectively connected with the lower mold fixing plate and the frame, one end of the second connecting block is hinged with the power end, and the other end is hinged with the first connecting block.

Preferably, it also includes a second guide structure, at least two second guide structures are provided, and the two second guide structures are relatively arranged on both sides of the middle part of the first connecting block; the vertical drive device is arranged on In the lower part of the frame, the vertical driving device is a driving cylinder, and its extension end touches the center of the connected block; the upper part of the lower mold fixing plate is provided with an elastic member, and the lower mold plate is arranged on the lower mold through the elastic member. On the mold fixing plate; by arranging elastic parts, rigid collisions can be avoided when the upper template and the lower template are closed, resulting in damage to the upper template and the lower template, thereby reducing maintenance costs and prolonging the service life of the equipment.

Preferably, the upper template and/or the lower template is provided with a heating element, so that the hot-press shaping mechanism can heat and dehydrate the wet blank of the paper mold.

Preferably, the wet blank transfer mechanism is arranged on the translation mechanism and above the wet blank forming mechanism, which includes a mounting plate, a transfer mold, a transfer mold fixing plate and a lifting structure; the mounting plate passes through the The translation mechanism is connected with the frame, and the translation mechanism can drive the mounting plate to move horizontally on the upper part of the frame; the vacuum suction device communicates with the transfer mold fixed plate, and the vacuum suction device The transfer mold fixed plate can be air-supplied or vacuumed; the lifting structure is arranged on the mounting plate, the transfer mold fixed plate is arranged at the lower end of the lifting structure, and the transfer mold is arranged on the transfer mold fixed plate ; The lifting structure can drive the fixed plate of the transfer mold to clamp or part the mold with the wet blank forming mechanism.

Description of drawings

Fig. 1 is the schematic diagram of the utility model;

Fig. 2 is the schematic diagram of wet billet transfer mechanism;

Fig. 3 is the schematic diagram of upper mold fixed plate;

Fig. 4 is a partially enlarged view of area A of Fig. 3;

Fig. 5 is the schematic diagram of lower mold fixed plate;

Fig. 6 is a partially enlarged view of area B of Fig. 5;

Fig. 7 is a schematic diagram of the assembly of the wet billet forming mechanism and the slurry tank;

Fig. 8 is a sectional view of the wet billet forming mechanism;

Fig. 9 is a schematic diagram of a slurry tank;

Fig. 10 is a sectional view of a slurry tank.

Label description:

1 frame, 3 wet billet transfer mechanism, 31 mounting plate, 32 transfer mold fixing plate, 33 lifting structure, 331 driving cylinder, 332 third guide rod, 4 wet billet forming mechanism, 40 rotating shaft connecting seat, 41 rotating shaft, 42 mold Fixing mechanism, 420 air chamber, 421 mold mounting plate, 422 fixed plate, 423 internal air flow channel, 43 vacuum suction device, 431 slurry suction pipe, 432 dehydration pipe, 433 blowing pipe, 44 rotary drive mechanism, 441 transmission part, 442 Drive motor, 45 Static ring body, 450 First shaft hole, 46 Slurry suction chamber, 462 Slurry suction chamber inlet, 47 Dehydration chamber, 472 Dehydration chamber entrance, 48 Blowing chamber, 482 Blowing chamber Outlet, 49 moving ring body, 491 airflow pipe, 492 static ring body housing chamber, 5 slurry tank, 50 tank inner cavity, 51 box body, 52 bottom wall, 53 side wall, 531 second slurry inlet pipe, 54 bottom plate, 541 The first slurry inlet pipe, 542 homogenizing plate, 55 vertical wall, 56 overflow tank, 57 interlayer, 58 pumping device, 581 axial flow pump, 582 paddle, 59 mold flushing structure, 61 upper mold fixing plate, 71 lower Die fixing plate, 72 ejector mechanism, 73 vertical driving device, 74 first guide post, 741 second guide post, 751 linkage mechanism, 752 first connecting rod, 753 second connecting rod, 754 first connecting block, 755 second connection block, 76 elastic parts, 77 guide post sleeves, 8 translation mechanisms, 81 guide parts, 82 sliding parts, 83 pressure adjustment structures, 831 buffer parts, 832 fixed parts, 84 horizontal driving devices.

Detailed ways

Below in conjunction with accompanying drawing, illustrate embodiment of the present utility model:

Referring to Fig. 1 to Fig. 10, a kind of pulp molding equipment of the present embodiment includes a frame 1, a slurry tank 5 arranged on the frame 1, a wet blank forming mechanism 4, a wet blank transfer mechanism 3 and Hot press shaping mechanism; the slurry box 5 is arranged at the bottom of the frame 1; the wet blank forming mechanism 4 is arranged in the slurry box 5, and the wet blank forming mechanism 4 absorbs the The slurry is prepared into a paper mold wet base; the wet base transfer mechanism 3 is arranged above the frame 1 corresponding to the wet base forming mechanism 4, and it is used to transfer the paper mold wet base on the wet base forming mechanism 4 to the The hot-press shaping mechanism is provided on the frame 1 for hot-press shaping the paper mold wet blank.

Described hot-press shaping mechanism comprises vacuum suction device (not shown in the figure), ejector mechanism 72, translation mechanism 8, and three groups of upper and lower templates (not shown in the figure); Three upper templates pass through described The translation mechanism 8 is arranged on the frame 1, and the three upper templates can move horizontally synchronously along the setting direction of the translation mechanism 8; the three lower templates correspond to the upper template through the pushing mechanism 72 Set on the frame 1, the three lower templates can move in the vertical direction; the vacuum suction device is arranged on the two groups of upper and lower templates for sucking and blowing out the upper and lower templates. The paper mold wet embryo in the cavity.

The three upper templates are respectively the first upper template, the second upper template and the third upper template; the three lower templates are respectively the first lower template, the second lower template and the third lower template.

The upper template 6 and/or the lower template 7 are provided with a heating element (not shown in the figure); the hot-press shaping mechanism can heat and dehydrate the wet blank of the paper mold.

The setting method of the above-mentioned hot-press shaping mechanism has the following beneficial effects:

(1) It is known that the dehydration efficiency of a single upper and lower template for the paper mold wet blank in a unit time is limited. In order to ensure that the paper mold wet blank is fully dehydrated, it is necessary to extend the mold clamping time of the upper and lower templates, but this The hot pressing and shaping time of the wet billet of the paper mold is extended, which reduces the production efficiency of the pulp molding equipment, and the upper and lower templates are closed and heated for a long time, which is prone to damage to parts and increases energy consumption; through hot pressing and shaping There are at least two upper templates and at least two lower templates on the mechanism, and the processing method of dehydrating the paper mold wet blank multiple times. Compared with the existing hot pressing forming equipment, this equipment can realize continuous The production efficiency is high by processing multiple wet film blanks; in addition, the clamping time of the upper and lower templates of this equipment is shortened, which can effectively reduce the energy consumption and damage loss of parts during the hot pressing shaping process, thereby reducing Equipment maintenance costs and production costs;

(2) By dehydrating the wet paper mold blank multiple times, it can effectively avoid the problems of large shrinkage, serious deformation, and high reject rate due to excessive single-time water loss of the paper mold wet blank;

(3) By repeatedly extruding the wet paper mold blank, the structural strength of the wet paper mold blank and the shape accuracy of the wet paper mold blank can be effectively improved, thereby producing high-quality pulp molding;

(4) By arranging the three upper templates on the same translation mechanism 8, the three upper templates can be moved horizontally at the same time, which effectively simplifies the internal structure of the equipment, thereby reducing production costs and facilitating later maintenance.

In actual production, the dehydration rate of a group of upper and lower templates is 20-40% within 5-10 seconds, and the wet billet of the paper mold must have a certain water content to ensure that it can be extruded and shaped; by setting three groups The upper and lower templates perform three times of hot pressing and shaping on the wet paper mold blank, which can stabilize the dehydration rate of the paper mold wet blank at 90-99%, and improve the pass rate of the paper mold wet blank; if only two sets of upper and lower templates are set, There will be problems such as insufficient dehydration or too fast dehydration speed; if four sets of upper and lower templates are installed, the manufacturing cost and energy consumption of the equipment will be increased, and the production cost will be increased.

The translation mechanism 8 includes a horizontal drive device 84, an upper die fixing plate 61, and guides 81 relatively arranged on both sides of the upper inner end of the frame 1; the upper die is arranged on the upper die fixing plate 61, so that The upper mold fixing plate 61 is slidably connected with the guide piece 81 through a sliding piece 82 ; the horizontal driving device 84 is used to drive the upper mold fixing plate 61 to slide along the length extension direction of the guide piece 81 . This setting method has simple structure, low cost, and is convenient for manufacture and assembly. Specifically, the guide member 81 is a guide rail or a slide rail, and the slide member 82 corresponding to the guide member 81 is a pulley, a bearing or a slider.

Also includes a pressure regulating structure 83, the pressure regulating structure 83 is arranged on the frame 1, and is located above the upper mold fixing plate 61, the pressure regulating structure 83 is used for slowing down the contact between the upper mold plate 6 and the upper mold plate 61. Describe the impact of the template 7 clamping.

Specifically, the pressure regulating structure 83 includes several buffer pieces 831; the frame 1 is provided with a fixing piece 832 for fixing the guide piece 81, the buffer piece 831 is arranged on the fixing piece 832, and Located above the guide member 81; the buffer member 831 is a bolt, the upper part of which passes through the upper part of the fixing member 832 and is fixed by a nut; when the upper template is molded with the lower template, the upper template is lifted and against the buffer member 831 .

By setting the pressure regulating structure 83 on the upper template, it is avoided that when the upper template is lifted upwards, the sliding part 82 presses the guide part 81, causing the sliding part 82 and the guide part 81 to be damaged at the same time. Therefore, the extrusion force on the sliding member 82 and the guide member 81 generated when the upper die plate and the lower die plate are clamped is effectively eliminated, and the processing accuracy of the hot-press shaping mechanism is ensured.

In the actual production process, production personnel can adjust the height difference between the buffer member 831 and the upper template 6 according to actual production needs.

Also includes a lower mold fixing plate 71, the lower mold fixing plate 71 is arranged on the push-out mechanism 72, and the lower template is arranged on the upper end of the lower mold fixing plate 71; the push-out mechanism 72 can drive the The lower mold fixing plate 71 moves toward the upper mold fixing plate 61 to make the upper mold plate 6 and the lower mold plate 7 close together.

The ejecting mechanism 72 includes a vertical driving device 73 , a first guiding structure and at least two sets of linkage mechanisms 751 .

The first guiding structure includes four first guiding columns 74 .

Four first guide pillars 74 are respectively arranged on the four corners of the lower mold fixing plate 71, and the first guide pillars 74 connect the lower mold fixing plate 71 and the frame 1, and the lower mold fixing plate 71 can move along the first guide. Column 74 moves up and down.

Two sets of link mechanisms 751 are symmetrically arranged between the lower mold fixing plate 71 and the frame 1, and the supporting ends of the two sets of link mechanisms 751 are respectively connected to the lower mold fixing plate 71 and the frame 1, the The vertical driving device 73 is arranged on the frame 1 and is located between the two groups of linkage mechanisms 751, and the output end of the vertical driving device 73 is connected to the two groups of linkage mechanisms through the first connecting block 754. 751 power end connection.

One set of link mechanisms 751 includes four link mechanisms 751, each link mechanism 751 includes a first link 752, a second link 753 and a second connecting block 755, the first link 752, the second link One end of the rod 753 hinged to each other is the power end, the other end of the first connecting rod 752 and the second connecting rod 753 are the supporting end, and the two supporting ends are connected with the lower die fixing plate 71 and the frame 1 respectively, and the second connecting rod 752 is connected with the frame 1 respectively. One end of the connecting block 755 is hinged to the power end, and the other end is hinged to the first connecting block 754 .

It also includes a second guide structure, the second guide structure is a second guide post 741, at least two second guide posts 741 are provided, and the two second guide posts 741 are oppositely arranged on both sides of the middle part of the connecting block 754. Side; the vertical driving device 73 is arranged at the lower part of the frame 1, and the vertical driving device 73 is a driving cylinder, and its extended end touches the center of the connected block 754.

When the vertical driving device 73 drives the first connecting block 754 to move upward, the second connecting block 755 pushes the power end of the second connecting rod 753, so that the first connecting rod 752 The power end and the power end of the second connecting rod 753 extend outward, thereby lifting the lower die fixing plate 71 upward; when the vertical drive device 73 drives the first connecting block 754 to move downward, the The second connecting block 755 pulls the power end of the second connecting rod 753, so that the power end of the first connecting rod 752 and the power end of the second connecting rod 753 are stored inwardly, driving the lower mold fixing plate 71 Reset down.

The upper end of the lower mold fixing plate 71 is provided with an elastic member 76, and the lower template is arranged on the lower mold fixing plate 71 through the elastic member 76; by arranging the elastic member 76, the upper and lower templates can be avoided Rigid collision occurs when the molds are closed, resulting in damage to the upper and lower templates, thereby reducing maintenance costs and prolonging the service life of the equipment.

In order to improve the stability when the first guide post 74 and the second guide post 741 move, a guide post sleeve 77 is sheathed on the outside of the first guide post 74 and the second guide post 741, and the first guide post 74, The second guide posts 741 can move relative to the guide post sleeves 77 respectively, and the guide post sleeves 77 are fixed on the frame 1 .

By setting the connecting rod mechanism 751 on the ejector mechanism 72, the extrusion force generated when the lower template and the upper template are clamped can be effectively increased, thereby improving the effect of the hot press shaping mechanism on the paper mold wet blank. dehydration effect and response speed; in addition, the link mechanism 751 is simple in structure, fully utilizes the principle of leverage, so that the driving device can drive the first connecting block 754 to move vertically with the minimum output power, thereby reducing energy consumption, Reduce production cost input, save resources at the same time, meet the requirements of green production.

By arranging the first guide column 74 and the second guide rod 741, the stability when the connecting block 754 and the lower die fixing plate 71 move in the vertical direction can be improved, thereby ensuring that the lower die plate 7 moves in the vertical direction and improves the thermal stability. The shaping accuracy of the paper mold wet blank by the pressing and shaping mechanism.

The wet base transfer mechanism 3 is arranged on the translation mechanism 8, and is positioned above the wet base forming mechanism 4, which includes a mounting plate 31, a transfer mold (not shown), a transfer mold fixing plate 32 and a lift structure 33; the mounting plate 31 is connected to the frame 1 through the translation mechanism 8, and the translation mechanism 8 can drive the mounting plate 31 to move horizontally on the upper part of the frame 1; the vacuum suction The device communicates with the transfer mold fixed plate 32, and the vacuum suction device can supply air or vacuum the transfer mold fixed plate 32; the lifting structure 33 is arranged on the mounting plate 31, and the transfer mold fixed plate 32 It is arranged at the lower end of the lifting structure 33, and the transfer mold is arranged on the fixed plate 32 of the transfer mold; the lifting structure 33 can drive the fixed plate 32 of the transfer mold to clamp or separate mold.

Specifically, the lifting structure 33 includes a driving cylinder 331 and a third guide rod 332, the third guide rod 332 is vertically movable and arranged on the mounting plate 31, and its lower end is connected with the transfer mold fixing plate 32 The driving cylinder 331 is set on the mounting plate 31, and its extended end is connected with the transfer mold fixing plate 32.

The wet blank forming mechanism 4 includes a rotating shaft 41 , a mold fixing mechanism 42 , a wet blank mold (not shown in the figure), a vacuum suction device 43 , a dynamic and static ring structure and a rotary drive mechanism 44 .

The upper part of the slurry tank 5 is provided with a rotating shaft connecting seat 40 . The rotating shaft 41 is rotatably disposed on the rotating shaft connecting seat 40 ; the mold fixing mechanism 42 is disposed on the rotating shaft 41 and can enter and leave the slurry tank 5 as the rotating shaft 41 rotates.

The rotary drive mechanism 44 is arranged at either end of the rotating shaft 41, and includes a transmission member 441 and a driving motor 442. One end of the transmission member 441 is connected to the output end of the driving motor 442, and the other end is connected to the corresponding end of the rotating shaft 41. Terminal: the drive motor 442 drives the rotating shaft 41 to rotate through the transmission member 441 .

The static and dynamic ring structure includes a static ring body 45 and a dynamic ring body 49; the middle part of the static ring body 45 is provided with a first shaft hole 450 for the shaft 41 to pass through, and the shaft 41 can rotate relative to the static ring body 45, Surrounding the first rotating shaft hole 450, a pulp suction chamber 46, a dehydration chamber 47 and an air blow chamber 48 are sequentially arranged; The outer end face and the peripheral side of the ring body 45 are formed on the outer end face of the stationary ring body 45 to form the outlet of the suction air chamber (not shown in the figure), the outlet of the dehydration air chamber (not shown in the figure) and the inlet of the blowing air chamber (not shown in the figure), and form suction air chamber inlet 462, dehydration air chamber inlet 472 and air blowing air chamber outlet 482 on the static ring body 45 peripheral sides.

The moving ring body 49 is provided with a static ring body accommodating chamber 492 opening outwards, the inner end of the air flow duct 491 runs through the peripheral side of the static ring body accommodating chamber 492, and the outer port of the air flow duct 491 is in contact with the The mold fixing mechanism 42 communicates.

The outer end of the static ring body 45 is placed in the static ring body accommodating chamber 492 facing outward, and the air flow duct 491 is connected to the inlet 462 of the slurry suction air chamber, the dehydration air chamber at the position of the inner port of the static ring body accommodating chamber 492 The positions of the inlet 472 of the air chamber and the outlet 482 of the air blowing chamber are corresponding; the moving ring body 49 can rotate relative to the static ring body 45, so that the air flow pipe 491 communicates with the above three air chambers in sequence.

The mold fixing mechanism 42 is provided with two, and the two mold fixing mechanisms 42 are respectively arranged on the opposite sides of the rotating shaft 41. The wet blank mold is arranged on the mold fixing mechanism 42, and the mold fixing mechanism 42 It communicates with the stationary ring body accommodation cavity 492 of the moving ring body 49 through the airflow channel.

The mold fixing mechanism 42 includes a mold installation plate 421 for installing a wet blank mold, and the middle part of the mold installation plate 421 is recessed inward to form an air chamber 420 .

It also includes two fixing plates 422 , the two fixing plates 422 are arranged oppositely at the two ends of the rotating shaft 41 , and the two ends of the mold mounting plate 421 are respectively fixedly connected with the two fixing plates 422 .

The air flow passage includes a connecting air pipe 491 and an internal air flow passage 423 arranged in the mold mounting plate 421, the internal air flow passage 423 communicates with the air chamber 420, and the connecting air pipe 491 is used to communicate with the internal air flow The channel 423 and the static ring body accommodating cavity 492 .

A sealing structure (not shown) is provided between the peripheral side of the static ring body 45 and the peripheral side of the static ring body accommodating chamber 92; the sealing structure includes two The sealing ring accommodation groove, and the sealing ring installed on the two sealing ring accommodation grooves, the two sealing ring accommodation grooves are arranged in the axial direction of the slurry suction air chamber inlet 462, the dehydration air chamber inlet 472 and the air blowing air chamber outlet 482 The two sealing rings are in sealing fit with the corresponding sealing ring accommodating groove and the peripheral side of the stationary ring body accommodating cavity 92 .

The pneumatic control structure includes a slurry suction pipeline 431 , a dewatering pipeline 432 and an air blowing pipeline 433 .

The slurry suction pipe 431 communicates with the slurry suction air chamber 46 through the outlet of the slurry suction air chamber, and the slurry suction pipe 431 is used for vacuuming the slurry suction air chamber 46 .

The dehydration pipeline 432 communicates with the dehydration air chamber 47 through the outlet of the dehydration air chamber, and the dehydration pipeline 432 is used for vacuumizing the dehydration air chamber 47 .

The blowing pipeline 433 communicates with the blowing cavity 48 through the inlet of the blowing cavity, and the blowing pipeline 433 is used for supplying gas to the blowing cavity 48 .

The setting method of the above-mentioned wet blank forming mechanism 4 has the following beneficial effects: by driving the rotating shaft 41 to rotate intermittently, the time for the wet blank mold to be immersed in the slurry tank 5 can be controlled, so as to accurately control the slurry suction time and the amount of slurry suction, and ensure that the paper mold The weight and wall thickness of the wet billet are up to standard, improving the forming quality of the paper mold wet billet, thereby improving the product qualification rate, saving production resources, and improving the market competitiveness of the product.

The slurry box 5 includes a box body 51, a first slurry feeding device and a second slurry feeding device.

The box body 51 includes a bottom wall 52 and a side wall 53 extending upward from around the bottom wall 52; a bottom plate 54 is provided on the upper side of the bottom wall 52, and the bottom plate 54 divides the inner cavity of the box body 51 into an upper cavity body 50 and a lower cavity 57, the bottom plate 54 is provided with three vertical walls 55 extending toward the upper cavity 50, an overflow groove 56 is formed between the vertical walls 55 and the side walls 53, the The overflow tank 56 communicates with the upper chamber 50 and the lower chamber 57 .

The first slurry feeding device includes a first slurry feeding pipeline 541 and a pump liquid device 58, and the slurry inlet and the slurry outlet of the first slurry feeding pipeline 541 communicate with the lower cavity 57 and the upper cavity 50 respectively The pump liquid device 58 includes an axial flow pump 581, the output end of the axial flow pump 581 is provided with a paddle 582, and the output end of the axial flow pump 581 is placed in the slurry inlet of the first slurry inlet pipeline 541 .

The second pulp feeding device includes a second pulp feeding pipe 531, the pulp inlet of the second pulp feeding pipe 531 communicates with the outside pulp tank, and the pulp outlet of the second pulp feeding pipe 531 is arranged on the side wall 53 lower part.

When working, the external slurry tank delivers slurry to the overflow tank 56 through the second slurry feeding device, and the slurry flows to the lower cavity 57, and the first slurry feeding device transfers the slurry in the lower cavity 57 The slurry is transported to the upper cavity 50 , and the slurry in the upper cavity 50 flows back into the lower cavity 57 through the overflow tank 56 .

The upper end of the bottom plate 54 is provided with a homogenizing plate 541 , and the position of the homogenizing plate 541 deviated from the slurry outlet of the first slurry inlet pipe 541 is evenly distributed with circulation holes.

The overflow tank 56 is provided with a liquid level sensing device (not shown in the figure), and the liquid level sensing device is used to detect the liquid level height in the overflow tank 56 .

The height of the side wall 53 is higher than the vertical wall 55, and a mold flushing structure 59 is arranged on the position of the side wall 53 higher than the vertical wall 55, and the mold flushing structure 59 is used for flushing the wet blank forming mechanism 4.

The arrangement of the above-mentioned slurry tank 5 has the following beneficial effects:

(1) By arranging the lower chamber 57 and the pumping device 58 in the box body 51, the slurry in the slurry tank 5 can be circulated, thereby ensuring that the concentration of the slurry in the upper cavity 50 is uniform, and solving the problem of poor quality of the wet pulp. Stable problem; uniform slurry concentration can effectively reduce the weight deviation between paper mold wet blanks, and at the same time ensure that the wall thickness liquid between paper mold wet blanks is uniform, greatly improving the pass rate of products, saving resources, and improving the product market. Competitiveness;

(1) By arranging the lower cavity 57 and the first slurry feeding device in the box body 51, the slurry in the slurry box 5 can be circulated to ensure that the concentration of the slurry in the upper cavity 50 is uniform, and the paper mold can be effectively reduced. The weight deviation between the wet blanks, and at the same time ensure that the wall thickness liquid between the wet blanks of the paper mold is uniform, which greatly improves the qualified rate of the product, solves the problem of unstable quality of the wet blanks of the paper mold, saves resources, and improves the market competitiveness of the product ;

(2) The slurry box 5 realizes the circulating movement of the slurry in the box body 51, thereby improving the utilization rate of the slurry in the box body 51, saving resources, and reducing production costs at the same time, and compared with existing applications in paper mold wet blanks Large slurry tanks on molding equipment, which are relatively small in size and easy to install.

Working principle of the utility model:

After the wet blank forming mechanism 4 prepares the wet blank of the paper mold, the wet blank transfer mechanism 3 transfers the wet blank of the paper mold to the first lower template, and the first lower template moves upward to close the first upper template, so that the paper mold The wet blank is transferred to the first upper template; the translation mechanism 8 drives the first upper template to move above the second lower template, and closes the mold with the second lower template, thereby transferring the paper mold wet blank to the second lower template ; The translation mechanism 8 drives the first upper template to reset, so that the second upper template is located above the second lower template; the second lower template moves upward to close the second upper template, thereby transferring the paper mold wet blank to the second upper template On the template; the translation mechanism 8 drives the second upper template to move above the third lower template, and closes the mold with the third lower template, thereby transferring the paper mold wet blank to the third lower template; the translation mechanism 8 drives The second upper template is reset, so that the third upper template is above the third lower template; the third lower template moves upward to close the third upper template, so that the paper mold wet blank is transferred to the third upper template, and a single pulp is completed at the same time Hot press shaping of molding; the translation mechanism 8 drives the third upper template to move to the outer end of the frame 1, and the pulp molding is moved out of the pulp molding equipment to complete the production of a single pulp molding; during this process, The wet blank transfer mechanism 3 , the first upper template and the second upper template are all adsorbed with paper mold wet blanks, thereby realizing continuous production of pulp molding.

Compared with the prior art, a pulp molding equipment of the utility model is provided with a wet blank forming mechanism 4 and a hot pressing shaping mechanism, which can complete all production steps of pulp molding, thereby increasing the production speed of pulp molding , to achieve mass production of pulp molding; in addition, the pulp molding equipment realizes the assembly line production of pulp molding, saves human resources, greatly reduces production costs, and is suitable for large-scale promotion and use.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (10)

1. A kind of pulp molding equipment, it is characterized in that: comprise frame, and the slurry box that is arranged on described frame, wet billet forming mechanism, wet billet transfer mechanism and hot-press shaping mechanism; The slurry box is arranged at the bottom of the frame; the wet blank forming mechanism is arranged in the slurry box, and the wet blank forming mechanism absorbs the slurry in the slurry box to prepare a paper mold wet blank; the wet blank forming mechanism The blank transfer mechanism is arranged above the frame corresponding to the wet blank forming mechanism, and it is used to transfer the paper mold wet blank on the wet blank forming mechanism to the hot pressing shaping mechanism, and the hot pressing shaping mechanism is arranged on the The frame is used for hot-pressing and shaping the paper mold wet blank. 2. A kind of pulp molding equipment according to claim 1, characterized in that: the hot-press shaping mechanism includes a vacuum suction device, a pushing mechanism, a translation mechanism, and at least two sets of upper and lower templates; The two upper templates are arranged on the frame through the translation mechanism, and the two upper templates can move horizontally synchronously along the installation direction of the translation mechanism; The two lower formworks are arranged on the frame corresponding to the upper formwork through the pushing mechanism, and the two lower formworks can move in the vertical direction; The vacuum suction device is arranged on the two sets of upper and lower templates, and is used for absorbing and blowing out the wet paper mold embryos in the mold cavities of the upper and lower templates. 3. A kind of pulp molding equipment according to claim 2, characterized in that: the translation mechanism includes a horizontal driving device, an upper mold fixing plate, and guides arranged on both sides of the inner end of the upper part of the frame; The upper mold plate is arranged on the upper mold fixing plate, and the upper mold fixing plate is slidably connected with the guide piece through a sliding piece; The horizontal driving device is used to drive the upper mold fixing plate to slide along the length direction of the guide. 4. A kind of pulp molding equipment according to claim 3, characterized in that: it also includes a pressure regulating structure, the pressure regulating structure is arranged on the frame, and is located above the upper mold fixing plate, The pressure regulating structure is used for reducing the impact when the upper template and the lower template are clamped. 5. A kind of pulp molding equipment according to claim 2, characterized in that: it also includes a lower mold fixing plate, the lower mold fixing plate is arranged on the ejecting mechanism, and the lower mold is arranged on the The top of the lower mold fixing plate; The ejector mechanism can drive the lower die fixing plate to move towards the upper die fixing plate to close the upper and lower dies. 6. A kind of pulp molding equipment according to claim 5, characterized in that: the ejector mechanism includes a vertical drive device, a first guide structure and at least two sets of linkage mechanisms, the first guide The guide structure connects the lower mold fixed plate and the frame, the lower mold fixed plate can move up and down along the first guide structure, and two sets of linkage mechanisms are symmetrically arranged between the lower mold fixed plate and the frame between, and the supporting ends of the two sets of link mechanisms are respectively connected to the lower mold fixing plate and the frame, the vertical drive device is arranged on the frame and is located between the two sets of link mechanisms, the The output end of the vertical driving device is connected with the power ends of the two groups of linkage mechanisms through the first connecting block. 7. A pulp molding equipment according to claim 6, characterized in that: the linkage mechanism comprises a first linkage, a second linkage and a second connecting block, the first linkage, the second One end of the two connecting rods hinged to each other is the power end, the other end of the first connecting rod and the second connecting rod are the supporting ends, and the two supporting ends are connected with the lower mold fixing plate and the frame respectively, and one end of the second connecting block It is hinged with the power end, and the other end is hinged with the first connecting block. 8. The pulp molding equipment according to claim 6, further comprising a second guide structure, at least two second guide structures are provided, and the two second guide structures are opposite to each other. set on both sides of the middle part of the first connecting block; The vertical driving device is arranged at the lower part of the frame, the vertical driving device is a driving cylinder, and its extension end touches the center of the connected block; An elastic piece is arranged on the top of the lower mold fixing plate, and the lower mold plate is arranged on the lower mold fixing plate through the elastic piece. 9. The pulp molding equipment according to any one of claims 2 to 8, characterized in that: the upper mold plate and/or the lower mold plate are provided with heating elements. 10. A kind of pulp molding equipment according to claim 2, characterized in that: the wet blank transfer mechanism is arranged on the translation mechanism and is located above the wet blank forming mechanism, which includes a mounting plate, Transfer mold, transfer mold fixing plate and lifting structure; The mounting plate is connected to the frame through the translation mechanism, and the translation mechanism can drive the mounting plate to move horizontally on the upper part of the frame; The vacuum suction device communicates with the transfer mold fixed plate, and the vacuum suction device can supply air or vacuum the transfer mold fixed plate; The lifting structure is arranged on the mounting plate, the transfer mold fixing plate is arranged at the lower end of the lifting structure, the transfer mold is arranged on the transfer mold fixing plate; the lifting structure can drive the transfer mold fixing plate Mold clamping or mold splitting with the wet blank forming mechanism.