CN221000379U - Multi-station pulp molding system - Google Patents

Abstract

The utility model relates to the technical field of pulp molding, in particular to a multi-station pulp molding system which comprises a pulp tank, a pulp suction template, a hot pressing upper die, a hot pressing lower die and a lower die guide mechanism; wherein the slurry tank is used for placing slurry; the pulp suction template is arranged in the pulp pool; the hot pressing upper die comprises a hot pressing upper die plate and an upper die heating assembly, the upper die heating assembly is connected with the hot pressing upper die plate, and the hot pressing upper die plate is arranged right above the pulp suction die plate in a vertically movable manner; the hot pressing lower die is arranged in the area between the pulp suction die plate and the hot pressing upper die; the lower die guide mechanism is in driving connection with the hot pressing die and is used for driving the hot pressing die to move along the horizontal direction, so that the hot pressing lower die can reciprocate between the outer side of the pulp pool and the right upper side of the pulp suction template. The embodiment of the utility model can dispense with the special arrangement of the drying mechanism, realizes two procedures of drying and hot press forming on the same station, remarkably simplifies the internal structure of the equipment and can also remarkably reduce the overall size of the equipment.

Description

Multi-station pulp molding system

Technical Field

The utility model relates to the technical field of pulp molding, in particular to a multi-station pulp molding system.

Background

The molding is a process of molding a slurry material under a certain pressure by means of a mold or a die, and is mainly divided into the processes of pulping, molding, drying, shaping, punching and the like, and products such as paper products, ceramic products and the like can be molded according to the type of the introduced material.

Existing molding systems typically include a suction mechanism, a drying mechanism, a shaping mechanism, and a die cutting mechanism, wherein the suction mechanism adheres slurry to a suction cavity to form a wet blank, and then the suction cavity is moved into the drying mechanism to be dried to obtain a hardened pulp product, and then the pulp product is moved to the shaping mechanism to be subjected to hot press molding, and edges are cut by the die cutting mechanism after molding, so that a paper-plastic product is obtained.

The mechanisms are arranged one by one according to the process steps of pulp molding, and although each processing operation can be perfectly realized, the internal structure of the processing system is complicated, and a non-negligible burden is caused to the equipment cost.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a multi-station pulp molding system, which can effectively simplify the internal structure of molding processing, obviously reduce the occupied area of equipment and is beneficial to reducing the equipment cost.

The multi-station pulp molding system comprises a pulp tank, a pulp suction template, a hot pressing upper die, a hot pressing lower die and a lower die guide mechanism; wherein the slurry tank is used for placing slurry; the pulp suction template is arranged in the pulp pool; the hot pressing upper die comprises a hot pressing upper die plate and an upper die heating assembly, the upper die heating assembly is connected with the hot pressing upper die plate, and the hot pressing upper die plate is arranged right above the pulp suction die plate in a vertically movable manner; the hot pressing lower die is arranged in the area between the pulp suction die plate and the hot pressing upper die; the lower die guide mechanism is in driving connection with the hot pressing die and is used for driving the hot pressing die to move along the horizontal direction, so that the hot pressing lower die can reciprocate between the outer side of the pulp pool and the right upper side of the pulp suction template.

The multi-station pulp molding system provided by the embodiment of the utility model has at least the following beneficial effects:

Under the condition that the hot-pressing lower die is positioned outside the pulp pool, the hot-pressing upper die is aligned with the pulp sucking die plate and can downwards press the pulp sucking die plate, so that hot extrusion is formed on wet blanks on the pulp sucking die plate, the wet blanks can be dried after moisture of the wet blanks is rapidly extruded, and after drying is finished, the hot-pressing upper die moves upwards and resets; under the drive of lower mould guide mechanism, hot pressing lower mould can be moved to the suction die plate directly over, and in this case, hot pressing upper mould is aimed at hot pressing lower mould and can be pressed down to hot pressing lower mould to hot press the blank into shape.

The embodiment of the application skillfully sets the positions of the hot pressing die and the pulp sucking die plate, so that the hot pressing die and the pulp sucking die plate can be aligned with the hot pressing upper die in sequence, specifically, the pulp sucking die plate utilizes the heat of the hot pressing upper die to finish the drying operation, and the hot pressing lower die utilizes the heat of the hot pressing upper die and the upper die cavity to finish the forming operation.

According to some embodiments of the utility model, the lower die guide mechanism comprises a guide rail and a driving assembly, wherein the guide rail is horizontally arranged outside the slurry tank and extends towards the direction approaching the slurry tank; the hot pressing lower die is slidably connected to the guide rail, and the hot pressing lower die is in transmission connection with the driving assembly.

According to some embodiments of the utility model, the drive assembly comprises an electric push rod parallel to the guide rail, and an end of the electric push rod is connected to the hot press lower die.

According to some embodiments of the utility model, the guide rail is movably sleeved with a telescopic bellows in a region close to the pulp tank, and the telescopic bellows is arranged on one side of the hot pressing lower die.

According to some embodiments of the utility model, the hot press lower die comprises a hot press lower die plate and a lower die heating assembly, wherein the lower die heating assembly comprises a heat supply unit, a plurality of heat conducting pipes and a soft pipeline, one ends of the heat conducting pipes are connected with the hot press lower die plate, and the other ends of the heat conducting pipes are connected with the heat supply unit through the soft pipeline.

According to some embodiments of the utility model, the hot press upper die further comprises a guide assembly and a negative pressure assembly, wherein the guide assembly is vertically arranged and in driving connection with the hot press upper die plate, so that the hot press upper die plate can be far away from or close to the pulp tank; the bottom surface of the hot pressing upper die plate is provided with an upper die cavity and a plurality of air passages communicated with the upper die cavity, and the negative pressure component is communicated with the air passages and is used for forming negative pressure on the surface of the upper die cavity so as to adsorb the blank after hot extrusion.

According to some embodiments of the utility model, the multi-station pulp molding system further comprises a frame, wherein a molding station and a conversion station are arranged on the frame, the molding station and the conversion station are respectively arranged on one side of the guide rail along the extending direction of the guide rail, the pulp tank and the hot pressing upper die are arranged on the molding station, and the hot pressing lower die can be parked on the conversion station.

According to some embodiments of the utility model, a punching station is further arranged on the frame, the punching station is arranged on one side of the conversion station, which is away from the forming station, and a punching die is arranged on the punching station.

According to some embodiments of the utility model, the multi-station pulp molding system further comprises a manipulator disposed in the area of the converting station and the punching station, and the manipulator is configured to transfer the pulp product on the hot press die to the die cavity of the punching die.

According to some embodiments of the utility model, the multi-station pulp molding system further comprises a slurry suction mechanism in communication with the slurry tank, and the suction mechanism is configured to draw slurry from the slurry tank outward.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a multi-station pulp molding system (axial direction) according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a multi-station pulp molding system (front view) according to an embodiment of the utility model;

FIG. 3 is a schematic view of a molding top mold according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram showing the positions of the upper molding die and the lower hot-pressing die according to an embodiment of the utility model.

Reference numerals:

A slurry tank 100; a suction template 200; a hot top mold 300; a hot top stencil 310; an upper mold cavity 311; an airway 312; an upper die heating assembly 320; a guide assembly 330; a hot press die 400; hot pressing the template 410; a lower die heating assembly 420; a heating unit 421; a heat conductive pipe 422; a soft pipe 423; drag chain 424; a lower die guide mechanism 500; a guide rail 510; a drive assembly 520; a bellows 530; a housing 600; a slurry suction mechanism 700; suction tube 710; a slurry collection tank 720; a punching die 800; a robot 900; a forming station A; a conversion station B; punching station C.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1, the present embodiment provides a multi-station pulp molding system, which includes a pulp tank 100, a pulp suction die plate 200, a hot pressing upper die 300, a hot pressing lower die 400, and a lower die guiding mechanism 500; wherein the slurry tank 100 is used for placing slurry; the pulp sucking template 200 is arranged in the pulp tank 100; the hot pressing upper die 300 comprises a hot pressing upper die plate 310 and an upper die heating assembly 320, wherein the upper die heating assembly 320 is connected with the hot pressing upper die plate 310, and the hot pressing upper die plate 310 is arranged right above the pulp suction die plate 200 in a vertically movable manner; the hot pressing die 400 is provided in a region between the suction die plate 200 and the hot pressing upper die 300; the lower die guide mechanism 500 is drivingly connected to the hot-pressing die 400 and is configured to drive the hot-pressing die 400 to move in a horizontal direction so that the hot-pressing die 400 can reciprocate between the outside of the pulp tank 100 and directly above the pulp suction die plate 200.

The multi-station pulp molding system further comprises a frame 600, the pulp tank 100 is arranged on the frame 600, the edge of the tank opening of the pulp tank 100 is arranged on the frame 600, and the pulp tank 100 is of a rectangular groove structure; the lower die guide mechanism 500 includes a guide rail 510 and a driving assembly 520, the guide rail 510 is horizontally disposed on the frame 600 and is located at the outer side of the slurry tank 100, the guide rail 510 is not lower than the tank mouth of the slurry tank 100, and the guide rail 510 extends along the length direction of the slurry tank 100.

The frame 600 is provided with a forming station A and a converting station B, the forming station A and the converting station B are respectively arranged on one side of the guide rail 510 along the extending direction of the guide rail 510, the pulp tank 100 and the hot pressing upper die 300 are arranged on the forming station, the hot pressing lower die 400 can be parked on the converting station, the hot pressing lower die 400 is slidably connected on the guide rail 510, and the driving assembly 520 is in driving connection with the hot pressing lower die 400.

According to the arrangement direction of the guide rail 510, the guide rail 510 forms a connecting piece for communicating the forming station A and the converting station B, and the driving assembly 520 can convey the forming lower die to and from the forming station A and the converting station B in a reciprocating manner; according to the height of the guide rail 510, the forming lower die sliding on the guide rail 510 is always higher than the pulp tank 100, so that the pulp tank 100 does not block the running of the forming lower die, and the forming lower die can smoothly run to the pulp tank 100, especially directly above the pulp suction template 200, so as to align with the forming upper die, thereby providing a feasibility foundation for the subsequent hot press die assembly.

In some embodiments, the drive assembly 520 includes a motorized push rod that is parallel to the rail 510 and has its ends connected to the lower hot press die 400. Specifically, the electric push rod is located at a side of the hot pressing die 400 facing away from the slurry tank 100, and an end of the electric push rod is connected to an outer sidewall of the hot pressing die 400, thereby driving the hot pressing die 400 to move back and forth along the guide rail 510.

It is to be noted that the guide rail 510 is movably sleeved with a bellows 530 in a region near the slurry tank 100, and the bellows 530 is provided at one side of the hot press lower die 400. The bellows 530 shields the outer surface of the guide rail 510 so that the guide rail 510 is protected from slurry splashed from the slurry tank 100, and the bellows 530 is contractible and expandable in a reset manner, can be compressed and contracted without blocking the forming lower die when the forming lower die approaches the slurry tank 100, and can be expanded in a reset manner to shield the outer periphery of the guide rail 510 again when the forming lower die is away from the slurry tank 100.

Regarding the configuration of the hot press upper die 300, the hot press upper die 300 further includes a guide assembly 330 and a negative pressure assembly (not shown in the drawings), the guide assembly 330 being vertically disposed and drivingly connected to the hot press upper die plate 310 such that the hot press upper die plate 310 can be lifted up and down to be far from or near the pulp tank 100; the bottom surface of the hot-pressing upper die plate 310 is provided with an upper die cavity 311 and a plurality of air passages 312 communicated with the upper die cavity 311, and the negative pressure component is communicated with the air passages 312 and is used for forming negative pressure on the surface of the upper die cavity 311 so as to absorb the blank after hot extrusion upwards.

It is added that the multi-station pulp molding system further includes a pulp suction mechanism 700, the pulp suction mechanism 700 includes a suction pipe 710 and a pulp collection tank 720, the pulp collection tank 720 is disposed at one side of the pulp tank 100, and the pulp collection tank 720 is disposed lower than the pulp tank 100, one end of the suction pipe 710 is communicated with the bottom or lower portion of the pulp tank 100, and the other end is communicated with the upper portion of the pulp collection tank 720, so that the suction pipe 710 is provided with a sludge pump (not shown), and under the action of the sludge pump, the pulp in the pulp tank 100 is discharged to the outside into the pulp collection tank 720, and part of the pulp remains on the top surface of the pulp suction template 200 during sedimentation to form a wet blank.

According to the above-mentioned various structural arrangements, in the case that the hot pressing lower die 400 is located at the outer side of the pulp tank 100, the hot pressing upper die 300 is aligned with the pulp suction die plate 200 and can be downwardly pressed against the pulp suction die plate 200 by the guide assembly 330, so that hot extrusion is formed on the wet blank on the pulp suction die plate 200, and the wet blank can be dried after the moisture of the wet blank is rapidly extruded, and after the drying is completed, the hot pressing upper die 300 is moved upward to reset; the lower hot press die 400 can be transferred directly above the suction die plate 200 by the lower die transfer mechanism 500, in which case the upper hot press die 300 is aligned with the lower hot press die 400 and can be pressed down against the lower hot press die 400, thereby hot press-forming the blank.

The embodiment of the application skillfully sets the positions of the hot pressing die 400 and the pulp sucking die plate 200 so that the hot pressing die 400 and the pulp sucking die plate 200 can be aligned with the hot pressing upper die 300 in sequence, specifically, the pulp sucking die plate 200 utilizes the heat of the hot pressing upper die 300 to finish the drying operation, the hot pressing lower die 400 utilizes the heat of the hot pressing upper die 300 and the upper die cavity 311 to finish the forming operation, the structure achieves the dual-purpose effect of one object, the special setting of a drying mechanism can be omitted, two procedures of drying and hot pressing forming can be realized on the same station, the internal structure of equipment is obviously simplified, the cost of the equipment is reduced, the whole size of the equipment is obviously reduced, and the improvement effects of miniaturization and simplification are achieved.

Regarding the construction of the hot-pressing lower die 400, the hot-pressing lower die 400 includes a hot-pressing lower die plate 410 and a lower die heating assembly 420, the lower die heating assembly 420 includes a heat supply unit 421, a plurality of heat pipes 422, soft pipes 423 and a drag chain 424, one end of each heat pipe 422 is connected with the hot-pressing lower die plate 410, the other end is connected with the heat supply unit 421 through the soft pipe 423, and the drag chain 424 is sleeved on the soft pipe 423. The soft pipe 423 and the drag chain 424 can be flexibly bent according to the movement of the hot-pressing die 400 without interfering with the hot-pressing die 400. Specifically, the hot pressing upper die 300 and the hot pressing lower die 400 both achieve temperature rise through oil heat, the top of the rack 600 is provided with a hot pressing oil cylinder, the hot pressing oil cylinder is used as a specific form of the heat supply unit 421, and the hot pressing oil cylinder transfers heat to the hot pressing upper die plate 310 and the hot pressing lower die plate 410 through the valve body, the plurality of pipelines and the plurality of heat conducting pipes 422 respectively, so that temperature control of the hot pressing dies is achieved.

In addition, a punching station C is further disposed on the frame 600, the punching station C is disposed on a side of the conversion station B away from the forming station a, the punching die 800 is disposed on the punching station C, a manipulator 900 is disposed on an area where the conversion station B and the punching station C are disposed, and the manipulator 900 is used for transferring the pulp product on the hot pressing die 400 to a die cavity of the punching die 800.

The working procedure of the embodiment of the application is briefly described as follows:

Injecting slurry into the slurry tank 100, starting the slurry suction mechanism 700, settling the slurry in the slurry tank 100 downwards to form a wet blank on the top surface of the slurry suction template 200, wherein the hot pressing upper die 300 is positioned on the outer side of the slurry tank 100, the hot pressing upper die 300 is aligned with the slurry suction template 200, starting the guide component 330, moving the hot pressing upper die 300 downwards and pressing the slurry suction template 200, thereby extruding water of the slurry suction template 200 and drying the slurry suction template 200, starting the negative pressure component after drying, and moving the hot pressing upper die 300 upwards to adsorb a blank, and then driving the hot pressing upper die 300 and the blank to move upwards by the guide component 330 to leave the slurry suction template 200; the hot pressing die 400 is pushed to the position right above the pulp suction template 200 by the lower die guide mechanism 500, the hot pressing upper die 300 and the hot pressing lower die 400 are clamped for hot pressing forming, a blank falls to the hot pressing lower die 400 by closing the negative pressure component, and after the die is opened, the hot pressing lower die 400 is transferred to the conversion station B by the lower die guide mechanism 500; the paper-plastic product of the hot pressing die 400 is then transferred to the punching die 800 by the robot 900 to perform outer punching, thereby obtaining a finished product.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A multi-station pulp molding system, comprising:

A slurry tank for holding slurry;

The pulp suction template is arranged in the pulp pool;

The hot pressing upper die comprises a hot pressing upper die plate and an upper die heating assembly, the upper die heating assembly is connected with the hot pressing upper die plate, and the hot pressing upper die plate is arranged right above the pulp suction die plate in a vertically movable manner;

A hot pressing die arranged in a region between the pulp suction die plate and the hot pressing upper die;

The lower die guide mechanism is in driving connection with the hot pressing lower die and is used for driving the hot pressing lower die to move along the horizontal direction, so that the hot pressing lower die can reciprocate between the outer side of the pulp tank and the position right above the pulp suction template.

2. The multi-station pulp molding system of claim 1, wherein the lower die guide mechanism comprises a guide rail and a drive assembly, the guide rail being horizontally disposed outside the pulp tank and extending in a direction toward the pulp tank; the hot pressing lower die is slidably connected to the guide rail, and is in transmission connection with the driving assembly.

3. The multi-station pulp molding system of claim 2, wherein the drive assembly comprises an electric pushrod, the electric pushrod is parallel to the rail, and an end of the electric pushrod is connected to the hot press lower die.

4. The multi-station pulp molding system of claim 2, wherein said guide rail is movably sleeved with a bellows in a region near said vat, said bellows being provided on one side of said hot-press die.

5. The multi-station pulp molding system of claim 1, wherein the hot press lower die comprises a hot press die plate and a lower die heating assembly, the lower die heating assembly comprises a heat supply unit, a plurality of heat conducting pipes and a soft pipeline, one end of each heat conducting pipe is connected with the hot press die plate, and the other end of each heat conducting pipe is connected with the heat supply unit through the soft pipeline.

6. The multi-station pulp molding system of claim 1, wherein the hot press upper die further comprises a guide assembly and a negative pressure assembly, the guide assembly being vertically disposed and drivingly connected to the hot press upper die plate such that the hot press upper die plate can be moved away from or toward the pulp tank; the bottom surface of hot pressing cope match-plate pattern be equipped with the die cavity and with a plurality of air flue of last die cavity intercommunication, negative pressure assembly with the air flue intercommunication is used for forming the negative pressure in the surface of last die cavity to adsorb the blank after the hot extrusion.

7. The multi-station pulp molding system of claim 2, further comprising a frame, wherein a molding station and a converting station are provided on the frame, the molding station and the converting station are provided on one side of the guide rail along the extending direction of the guide rail, the pulp tank and the hot pressing upper die are provided on the molding station, and the hot pressing lower die can be parked on the converting station.

8. The multi-station pulp molding system of claim 7, wherein the frame is further provided with a die-cutting station, the die-cutting station is arranged on one side of the conversion station away from the molding station, and the die-cutting station is provided with a die-cutting die.

9. The multi-station pulp molding system of claim 8, further comprising a robot disposed in the area of the converting station and the blanking station and configured to transfer pulp product from the hot press lower die to the die cavity of the blanking die.

10. The multi-station pulp molding system of claim 1, further comprising a slurry suction mechanism in communication with said slurry tank and configured to draw said slurry out of said slurry tank.