CN115369696A

CN115369696A - Automatic forming machine for paper-plastic products and manufacturing method thereof

Info

Publication number: CN115369696A
Application number: CN202110557575.3A
Authority: CN
Inventors: 赖宗伸; 饶日华; 李真健
Original assignee: Foshan Meiwanbang Technology Co ltd
Current assignee: Foshan Meiwanbang Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-11-22

Abstract

An automatic forming machine for paper-plastic products is prepared as immersing pulp-sucking mould in a pulp box to suck pulp to form a pulp layer, rising said pulp layer to leave pulp box, closing the mould with a hot-pressing upper mould moving from external space to form a primary blank, lowering the pulp-sucking mould to return it to the pulp box, unfolding the second wheel to suck pulp, sucking the primary blank by the hot-pressing upper mould to return it reversely, rising the mould by a hot-pressing lower mould to close the mould, hot-pressing the primary blank to form paper-plastic product, sucking the paper-plastic product by the hot-pressing lower mould to return it, sucking the paper-plastic product by a material-receiving mechanism to leave the hot-pressing lower mould for collection; the invention can carry out quick cold extrusion (dehydration) and quick hot-press molding after slurry absorption, thereby achieving the purposes of improving the manufacturing speed, shortening the production period and reducing the manufacturing cost.

Description

Automatic forming machine for paper-plastic products and manufacturing method thereof

[ technical field ] A

The invention relates to an automatic paper-plastic product forming machine and a manufacturing method thereof, in particular to an automatic paper-plastic product pulp-absorbing forming machine and a manufacturing method thereof, which can improve the manufacturing speed, shorten the production period and reduce the manufacturing cost.

[ background ] A method for producing a semiconductor device

Environmental protection has been the goal of global pursuit, in order to greatly reduce the harm of plastic material products to the environment, the development of the product has been made by mixing and beating paper pulp fiber materials and/or plant fiber materials into pulp raw materials, then absorbing pulp by a pulp absorbing mold to adhere the pulp, and then performing hot press forming technology, which is distinguished from the plastic product, and is generally called as "paper plastic product", or also called as "molded product" or "paper pulp molded product", and is called as "paper plastic product" in the present specification. The paper-plastic product has the advantage of easy recovery, remanufacture and reuse, accords with the trend of environmental protection, reuse, energy saving and carbon reduction, is rapidly accepted by the industry and the public and is willing to adopt, and the paper-plastic product is often visible, such as: the products such as bowls, plates, cup covers, packaging materials, shock absorbing materials, cushion materials and the like are gradually adopted, and the products can be large and small in volume and are various.

The conventional paper-plastic product manufacturing process basically requires a plurality of operations, including "pulp suction forming", "hot press forming", "product transferring" and "end finishing", wherein the two steps, i.e., "pulp suction forming" and "hot press forming", are the main manufacturing and forming processes of the paper-plastic product, and generally require an "automatic paper-plastic product forming machine", and the two steps, i.e., "product transferring" and "end finishing", are processes of completing the manufacturing and forming of the paper-plastic product, collecting the product and transferring the product to end finishing (e.g., trimming, inspecting, and packaging). Therefore, the "automatic paper-plastic product forming machine" is an important hand for completing the manufacture of paper-plastic products, and a good "automatic paper-plastic product forming machine" is required to be provided, and a proper manufacturing method (manufacturing process) is matched to manufacture and form a good paper-plastic product.

The conventional automatic forming machine for paper-plastic products has many kinds of structural components and its manufacturing method is also very popular. Briefly, the automatic forming machine and the manufacturing method for manufacturing a paper-plastic product (such as a 3C product shock-proof box) with a relatively large formed volume are different from those for manufacturing a paper-plastic product (such as a shallow dish) with a relatively small formed volume, because the two paper-plastic products with a relatively large formed volume and a relatively small formed volume are different in pulp suction mode and pulp suction time, extrusion dehydration mode and extrusion dehydration time, hot press forming mode and hot press forming time, and more simply, the production periods of the two paper-plastic products are different, the automatic forming machine and the manufacturing method for the paper-plastic product cannot be applied integrally, and the automatic forming machine and the manufacturing method for the paper-plastic product must be properly adjusted according to the different paper-plastic products to be manufactured and formed.

The inventor of the present invention engaged in the design and manufacture of various automatic paper-plastic molding machines and the design and manufacture of various paper-plastic products, and discovered that the conventional automatic paper-plastic molding machines have the disadvantage of wasting production cycle when applied to the manufacture of "light", "small" and "thin" paper-plastic products through the experience of contacting various automatic paper-plastic molding machines and various paper-plastic products for a long time. The reason is that the existing automatic molding machines and manufacturing methods for various paper-plastic products are designed for manufacturing paper-plastic products with large volume, which are relatively thick, and some of the paper-plastic products are designed for doubling the thickness of the paper-plastic products, so when the conventional automatic molding machines for paper-plastic products are used to manufacture paper-plastic products with small thickness, the pulp suction method and time, the extrusion dehydration method and time, the hot press molding method and time are too many, and the accumulated production cycle cannot be shortened correspondingly every time, so that the manufacturing cost cannot be reduced relatively, and the energy waste is lost.

[ summary of the invention ]

The purpose of the invention is: 1. provides an automatic forming machine for paper-plastic products with novel structure and manufacturing process and a manufacturing method thereof. 2. Provides an automatic forming machine for paper-plastic products and a manufacturing method thereof, which can improve the manufacturing speed, shorten the production period and reduce the manufacturing cost.

In order to achieve the above object, the present invention provides an automatic paper-plastic product forming machine, which comprises:

the pulp box is fixedly arranged in a central space, the pulp box contains pulp, and the top surface of the pulp box is in an open shape;

the pulp sucking mould is supported by a supporting piece at the bottom through the pulp box to be in a state that the mould surface is upward, the supporting piece can do lifting action to drive the pulp sucking mould to synchronously lift, the pulp sucking mould is driven by the supporting piece when in a zero state, the pulp sucking mould is immersed in the pulp box, and the pulp sucking mould is connected with a first pumping device and can receive the pumping action or the blowing action of the first pumping device;

the hot-pressing upper die is arranged in the space on one side and hung on a guide rail, the space on the side is close to the central space and is positioned on one side of the central space, the die surface of the hot-pressing upper die faces downwards, the die surface of the hot-pressing upper die and the die surface of the pulp suction die are correspondingly symmetrical in shape, the hot-pressing upper die can be driven by an external power mechanism to horizontally and transversely move along the guide rail, and the hot-pressing upper die is connected with a second pumping device and can receive the pumping action or the blowing action of the second pumping device; and

the hot pressing lower die is arranged in the side space and positioned below the hot pressing upper die, the die surface of the hot pressing lower die faces upwards, the die surface of the hot pressing lower die and the die surface of the hot pressing upper die are correspondingly symmetrical in shape, the bottom of the hot pressing lower die is driven by an external power mechanism to vertically move, and the hot pressing lower die is connected with a third pumping device and can receive the pumping action or the blowing action of the third pumping device.

The automatic molding machine for paper-plastic products comprises a first hot-pressing upper die and a second hot-pressing upper die, wherein the first hot-pressing upper die and the second hot-pressing upper die are respectively arranged in a first side space and a second side space, the first side space and the second side space are respectively adjacent to the central space and are respectively positioned at two sides of the central space, the first hot-pressing upper die and the second hot-pressing upper die are hung on the same guide rail, the guide rail is arranged in the upper spaces of the first side space, the central space and the second side space in a penetrating manner, the die surfaces of the first hot-pressing upper die and the second hot-pressing upper die are all downward, the die surfaces of the first hot-pressing upper die and the second hot-pressing upper die are respectively symmetrical to the die surface of the slurry suction power mechanism in shape, the first hot-pressing upper die and the second hot-pressing upper die are driven by an external force and can horizontally move along the guide rail, and the first hot-pressing upper die and the second hot-pressing upper die are connected with a pumping device and can receive the pumping or blowing effect of the pumping device; the hot pressing lower die is divided into a first hot pressing lower die and a second hot pressing lower die, the first hot pressing lower die and the second hot pressing lower die are respectively arranged in the first side space and the second side space, the first hot pressing lower die and the second hot pressing lower die are respectively positioned below the first hot pressing upper die and the second hot pressing upper die, the die surfaces of the first hot pressing lower die and the second hot pressing lower die are upward, the die surfaces of the first hot pressing lower die and the second hot pressing lower die are respectively symmetrical to the first hot pressing upper die and the second hot pressing upper die, the bottoms of the first hot pressing lower die and the second hot pressing lower die are driven by an external power mechanism to perform vertical displacement, and the first hot pressing lower die and the second hot pressing lower die are connected with a pumping device and can receive the pumping action or blowing action of the pumping device.

The automatic paper-plastic product forming machine further comprises a material receiving mechanism arranged outside the lateral space, wherein the material receiving mechanism is provided with a vertical base which stands at a fixed position, and a straight track is arranged on one side surface of the vertical base; the transverse track is transversely arranged on the straight track in a crossed manner, a large section of the transverse track extends towards the side space, and the transverse track can be pushed by an external power mechanism, integrally moves up and down along the straight track and can be controlled to stop moving at any time; a sliding rail block which is clamped on the transverse track, can do transverse movement along the transverse track under the push of an external power mechanism and can be controlled to stop the movement at any time; the sliding rod is fixedly arranged below the sliding rail block, can do transverse movement along the transverse rail along with the sliding rail block and can stop moving along with the sliding rail block at any time, a large section of the sliding rod extends towards the side space, and an adsorption piece is arranged below the sliding rod and can generate adsorption effect due to connection with a vacuum suction mechanism.

In the automatic paper-plastic product forming machine, the material receiving mechanism is divided into a first material receiving mechanism and a second material receiving mechanism, and the first material receiving mechanism and the second material receiving mechanism are respectively arranged outside the first side space and the second side space.

In the automatic paper-plastic product forming machine, the hot-pressing upper die is provided with a plurality of air exhaust hole sites on each pulp suction part on the die surface of the die table, the air exhaust hole sites are upwards communicated to an air chamber towards the inside of the die table, the air chamber is outwards bent downwards through an air exhaust middle section pipe and then communicated to an air exhaust manifold, an air exhaust mechanism connected with the air exhaust manifold sucks and exhausts the air, and when the inner end of the air exhaust middle section pipe is communicated with the air chamber, the lower point position of the inner end of the air exhaust middle section pipe is lower than that of the air chamber.

In the automatic paper-plastic product forming machine, the hot-pressing upper die and the hot-pressing lower die are provided with a plurality of air blowing hole sites on each pulp sucking part on the die surface of the die table, the air blowing hole sites are upwards or downwards communicated to an air inlet pipe towards the inside of the die table, and the air inlet pipe is communicated and converged with air fed by an air inlet mechanism.

The invention also discloses a manufacturing method of the automatic paper-plastic product forming machine, which applies the automatic paper-plastic product forming machine and further carries out the following steps:

(1) When the slurry suction mold is immersed in the slurry tank at the beginning, a pumping device connected with the slurry suction mold is started to suck slurry immediately so as to form a blank layer on the mold surface of the slurry suction mold;

(2) When the slurry suction time is up, the support piece stretches to push the slurry suction mould to suck the blank layer to leave the slurry box to move upwards, and in the process, the pumping device connected with the slurry suction mould continuously performs pumping action to gradually dewater and dewet the blank layer; and meanwhile, the upper hot-pressing die is driven by an external power mechanism connected with the upper hot-pressing die to transversely move along the guide rail to enter the central space, and stops moving at a position corresponding to the slurry suction die, the slurry suction die which moves upwards immediately adsorbs the blank layer, the upper hot-pressing die closes to extrude the blank layer to dehydrate, a pumping device connected with the upper hot-pressing die starts pumping action in the process to help dehydrate and dehumidify the blank layer, when the closing and extruding time is up, the blank layer is dehumidified to form an initial blank, and the pumping device connected with the slurry suction die immediately converts the blowing action to separate the slurry suction die from the initial blank, and the upper hot-pressing die adsorbs the initial blank.

(3) Then the upper hot-pressing die absorbs the primary blank and is driven by the connected external power mechanism to return reversely along the guide rail to enter the first side space, and stops at the position corresponding to the lower hot-pressing die, then the lower hot-pressing die is driven by the connected external power mechanism to ascend and be matched with the upper hot-pressing die to jointly perform hot-pressing and shaping operation on the primary blank, so that the primary blank is completely dried to form a paper-plastic product, and in the process, the pumping devices connected with the upper hot-pressing die and the lower hot-pressing die both start pumping action to dry the primary blank to form the paper-plastic product.

(4) When the hot-pressing shaping time is up, the pumping device connected with the hot-pressing upper die stops pumping action and converts the pumping action into blowing action so as to separate the pumping device from the paper-plastic product, and the hot-pressing lower die adsorbs the paper-plastic product to move downwards and return to wait for collection.

After the hot-pressing lower die adsorbs the paper-plastic product to move downwards and return, the sliding rail block of the material receiving mechanism is pushed by an external power mechanism to move along the transverse track and drive the sliding rod to push the adsorption piece to move synchronously so that the sliding rod part and the adsorption piece enter the side space to enable the adsorption piece to align the paper-plastic product, then the transverse track is pushed by the external power mechanism to descend along the straight track to enable the adsorption piece to be attached to the paper-plastic product, meanwhile, a vacuum suction mechanism connected with the adsorption piece starts adsorption, and a suction device connected with the hot-pressing lower die stops suction so that the paper-plastic product is transferred to be adsorbed by the adsorption piece; the transverse track rises along the straight track to return, the slide rail block moves reversely along the transverse track, the slide rod and the adsorption piece adsorbing the paper-plastic products are driven to retreat to the outside of the first side space, and then the adsorption piece stops adsorbing, so that the paper-plastic products are collected.

The method for manufacturing the automatic molding machine of the paper-plastic product comprises the steps that when the hot-pressing upper die adsorbs the primary blank to return reversely, the slurry suction die stops blowing, and is driven by the supporting piece to descend into the slurry box to return to the initial position and perform slurry suction, so that another blank layer is formed on the die surface of the slurry suction die again, then when the hot-pressing upper die and the hot-pressing lower die perform hot-pressing molding operation on the primary blank, the slurry suction die adsorbs the another blank layer to move upwards away from the slurry box, meanwhile, another hot-pressing upper die in the other side space transversely moves along the guide rail to enter the central space and be extruded with the slurry suction die to be dehydrated into another primary blank, then the slurry suction die separates from the another primary blank and descends into the slurry box to return to the initial position, the another hot-pressing upper die adsorbs the another primary blank to move reversely along the guide rail to enter the other side space, another hot-pressing lower die ascends and is matched with the another hot-pressing upper die to perform another hot-pressing molding operation together to dry the another primary blank to form product, and the another hot-pressing upper die returns to wait for hot-pressing operation, and another hot-pressing lower die to collect another paper-pressing lower die to return.

The invention has the advantages and beneficial effects that: the automatic forming machine and the manufacturing method of the paper-plastic product can improve the manufacturing speed, shorten the production period and reduce the manufacturing cost.

[ description of the drawings ]

Fig. 1 is a perspective view of the automatic pulp-sucking molding machine for paper-plastic products of the present invention.

Fig. 2 is a front view of the automatic pulp-sucking molding machine for paper-plastic products of the present invention.

Fig. 3-9 are schematic diagrams showing the continuous steps of the manufacturing method of the automatic molding machine for paper-plastic products of the invention.

Fig. 10 is a perspective view showing a first upper hot press mold according to the present invention.

Fig. 11 is a plan view of a first upper hot press mold of the present invention.

FIG. 12 is a bottom view of the first upper hot press mold of the present invention.

Fig. 13 is a sectional view showing a first upper hot press mold according to the present invention.

The numbers in the figures are illustrated as follows:

pulp box 10 central space 11 of paper-plastic product automatic forming machine 1

Supporting piece 21 of slurry suction mould 20 of protective cover 12

First hot-pressing upper die 30 first side space 31 guide rail 32

Air chamber 332 at 331 at the air exhaust hole of the die table 33

Air blowing hole site 335 of air suction collecting pipe 334 of air suction middle-section pipe 333

Air inlet pipe 336, first hot-pressing lower die 40 and second hot-pressing upper die 50

Second side space 51, second hot-pressing lower die 60 and first material receiving mechanism 70

Upright base 71 straight rail 72 transverse rail 73

Slide block 74 slide rod 75 suction piece 76

Vertical base 81 straight rail 82 of second material receiving mechanism 80

Transverse rail 83 sliding block 84 sliding rod 85

Adsorption member 86

[ detailed description ] A

The invention discloses an automatic paper-plastic product forming machine and a manufacturing method thereof, which are sequentially explained below.

The invention discloses an automatic forming machine for paper-plastic products, which is particularly suitable for manufacturing light, small and thin paper-plastic products. As shown in fig. 1 and 2, the automatic molding machine 1 for paper-plastic products comprises:

a slurry tank 10 fixedly arranged in a central space 11, wherein the slurry tank 10 contains slurry and has an open top surface;

a slurry suction mold 20 supported by a bottom support member 21 (such as a power cylinder, but not limited to) through the slurry tank 10 in a mold face-up state, wherein the support member 21 can be lifted to drive the slurry suction mold 20 to be lifted synchronously, and in a zero state (or referred to as an initial state), the slurry suction mold 20 is driven by the support member 21 and is immersed in the slurry tank 10, that is, in the zero state, the mold face of the slurry suction mold 20 is lower than the slurry face of the slurry tank 10, and the slurry suction mold 20 is connected to a first pumping device and can receive the pumping (vacuum) effect or blowing (blowing) effect of the first pumping device;

a first upper hot-pressing mold 30, disposed inside a first side space 31 and hung on a guide rail 32, wherein the first side space 31 is adjacent to the central space 11 and located at one side of the central space 11, for example: the first hot-pressing upper die 30 is located at the right side of the central space 11, the die surface of the first hot-pressing upper die 30 faces downwards, the die surface of the first hot-pressing upper die 30 and the die surface of the slurry suction die 20 are correspondingly symmetrical in shape, the first hot-pressing upper die 30 is driven by an external power mechanism and can horizontally and transversely displace along the guide rail 32 when needed, and the first hot-pressing upper die 30 is connected with a second pumping device and can receive the pumping (vacuum) action or blowing (air supply) action of the second pumping device;

a first lower hot-pressing die 40, disposed in the first side space 31 and located below the first upper hot-pressing die 30, wherein the die surface of the first lower hot-pressing die 40 faces upward, the die surface of the first lower hot-pressing die 40 and the die surface of the first upper hot-pressing die 30 are correspondingly symmetrical in shape, the bottom of the first lower hot-pressing die 40 is driven by an external power mechanism (such as a power cylinder, but not limited) to move vertically when needed, the first lower hot-pressing die 40 is connected to a third pumping device, and can receive the pumping (vacuum) action or blowing (air blowing) action of the third pumping device;

a second hot pressing upper mold 50, disposed inside a second side space 51, and hung on the same guide rail 32, wherein the second side space 51 is located on the other side of the central space 11, close to the central space 11, for example: the guide rail 32 is disposed in the left side of the central space 11, and the guide rail 32 is disposed through the upper spaces of the first side space 31, the central space 11 and the second side space 51, and a protective cover 12 (as shown in fig. 2) is hung in the upper space of the central space 11 for shielding the guide rail 32, the mold surface of the second upper hot-press mold 50 faces downward, the mold surface of the second upper hot-press mold 50 and the mold surface of the slurry suction mold 20 are correspondingly symmetrical in shape, the second upper hot-press mold 50 is driven by an external power mechanism to perform horizontal transverse displacement along the guide rail 32 when needed, the second upper hot-press mold 50 is connected to a fourth pumping device, and can receive the pumping (vacuum) action or blowing (blowing) action of the fourth pumping device; as can be seen from the drawings, the second upper hot press mold 50 has the same structure as the first upper hot press mold 30, but is located in the first side space 31 and the second side space 51 on the two sides of the central space 11;

a second lower hot-pressing die 60 disposed in the second side space 51 and below the second upper hot-pressing die 50, wherein the die surface of the second lower hot-pressing die 60 faces upward, the die surface of the second lower hot-pressing die 60 is symmetrical to the die surface of the second upper hot-pressing die 50 in shape, the bottom of the second lower hot-pressing die 60 is driven by an external power mechanism (such as a power cylinder, but not limited) to move vertically when needed, and the second lower hot-pressing die 60 is connected to a fifth pumping device, so as to receive the pumping (vacuum) effect or blowing (air blowing) effect of the fifth pumping device; as can be seen from the drawings, the second lower hot press die 60 has the same structure as the first lower hot press die 40, but is located in the first side space 31 and the second side space 51 on two sides of the central space 11;

a first receiving mechanism 70 disposed outside the first side space 31, the first receiving mechanism 70 having an upright base 71, standing on a platform or ground at a fixed position, a straight rail 72 disposed on one side of the upright base 71; a transverse rail 73 transversely and crosswise arranged on the straight rail 72, wherein the transverse rail 73 extends out of a large section towards the direction of the first side space 31, and the transverse rail 73 can be pushed by an external power mechanism, integrally moves up and down along the straight rail 72 and can stop moving at any time under the control of the external power mechanism; a sliding block 74 clamped on the transverse rail 73, capable of moving transversely along the transverse rail 73 under the push of different external power mechanisms, and capable of stopping at any time under control; a sliding rod 75 fixed below the sliding block 74, so that the sliding rod 75 can move along the transverse rail 73 along with the sliding block 74 and stop moving along with the sliding block 74 at any time, the sliding rod 75 also extends out of a large section in the direction of the first side space 31, and a plurality of adsorption pieces 76 are arranged below the sliding rod 75, so that the rear end of the adsorption pieces can be connected to a vacuum suction mechanism to generate adsorption; and

a second receiving mechanism 80 disposed outside the second side space 51, the second receiving mechanism 80 being the same as the first receiving mechanism 70, and also having a vertical base 81 standing on a platform or ground at a fixed position, and a straight rail 82 also disposed on one side of the vertical base 81; the transverse rail 83 is transversely and crosswise arranged on the straight rail 82, a large section of the transverse rail 83 extends towards the direction of the second lateral space 51, and the transverse rail 83 can be pushed by an external power mechanism, integrally moves up and down along the straight rail 82 and can stop moving at any time under the control of the external power mechanism; a sliding block 84 clamped on the transverse rail 83, capable of moving transversely along the transverse rail 83 by being pushed by different external power mechanisms, and capable of stopping at any time by being controlled; the sliding rod 85 is fixed below the sliding block 84, can also move along the transverse rail 83 along with the sliding block 84, and can stop moving along with the sliding block 84 at any time, the sliding rod 85 also extends out of a large section towards the second side space 51, and a plurality of adsorption pieces 86 are arranged below the sliding rod 85, and can generate adsorption action because the rear end of the adsorption pieces is connected with a vacuum suction mechanism.

The basic structure of the automatic molding machine 1 for paper-plastic products is claimed, wherein the external power mechanism and the first, second, third, fourth, and fifth pumping devices are not the main structure of the present invention, and their functions are obviously established, so they are not shown in the drawings, so as to avoid the complicated and difficult drawings.

According to the structural composition of the automatic paper-plastic product forming machine 1, the invention also provides a manufacturing method of the automatic paper-plastic product forming machine, which applies the automatic paper-plastic product forming machine 1 to further implement the following steps:

1. as shown in fig. 3, initially, the slurry suction mold 20 is immersed in the slurry tank 10, and then the first pumping device connected to the slurry suction mold 20 is started to start slurry suction so as to form an embryo layer on the mold surface of the slurry suction mold 20, it should be noted that a plurality of slurry suction portions may be disposed on the mold surface of the slurry suction mold 20, so that the plurality of slurry suction portions all suck slurry to form a plurality of embryo layers at the same time.

2. As shown in fig. 4, when the slurry suction time is up, the supporting member 21 stretches to push the slurry suction mold 20 to suck the blank layer and leave the slurry tank 10 to move upward, and during the process, the first pumping device continues pumping to gradually dehydrate and dehumidify the blank layer; when the slurry suction mold 20 is lifted, the first upper hot-pressing mold 30 is driven by the connected external power mechanism to move transversely along the guide rail 32 to enter the central space 11, and stops moving at the position corresponding to the slurry suction mold 20, the slurry suction mold 20 which moves upwards immediately sucks the blank layer and the first upper hot-pressing mold 30 closes to press the blank layer for dehydration, in the process, the second pumping device connected to the first upper hot-pressing mold 30 also starts a pumping action to help the blank layer to gradually dehydrate and dehumidify, when the mold closing and pressing time is short, the blank layer is dehumidified to become a primary blank, the first pumping device connected to the slurry suction mold 20 immediately stops the pumping action, converts the suction action into a blowing (blowing) action to separate from the primary blank, and the second pumping device connected to the first upper hot-pressing mold 30 still performs the pumping action to adsorb the primary blank, which must be strengthened.

3. As shown in fig. 5, immediately the first upper hot pressing mold 30 adsorbs the primary blank and is driven by the connected external power mechanism to move reversely along the guide rail 32 to enter the first side space 31 to return to the original position, and stops moving at the position corresponding to the first lower hot pressing mold 40, immediately the first lower hot pressing mold 40 is driven by the connected external power mechanism to lift up to close the first upper hot pressing mold 30, and at this time, the primary blank is located between the first upper hot pressing mold 30 and the first lower hot pressing mold 40, immediately the first upper hot pressing mold 30 and the first lower hot pressing mold 40 perform hot pressing and setting operation on the primary blank together for a period of time, so that the primary blank is completely dried into a paper-plastic product, and in the process, the second and third pumping devices all start pumping action to cause thermal cycle, so that the primary blank is dried into a paper-plastic product at the highest speed; when the first upper hot-pressing die 30 adsorbs the primary blank to return to the original position in the reverse direction, the slurry suction die 20 stops blowing (blowing) and is driven by the supporting member 21 to descend into the slurry tank 10 to return to the zero (initial) position, and meanwhile, the first pumping device connected with the slurry suction die 20 starts pumping again to perform slurry suction for the second round, so that a blank layer is formed on the die surface of the slurry suction die 20 again; it should be noted that, while the first upper hot press mold 30 and the first lower hot press mold 40 perform the hot press forming operation on the primary blank, the slurry suction mold 20 sucks slurry again to form a blank layer, which belongs to another (second) production cycle, that is, the hot press forming operation of the first production cycle is still in progress, and the slurry suction of the second production cycle is already performed.

4. As shown in fig. 6, when the first hot press molding operation time is up, the primary blank has been dried to form a paper-plastic product, then the second pumping device connected to the first upper hot press mold 30 stops pumping, and switches to blowing (blowing) to detach from the paper-plastic product, the third pumping device connected to the first lower hot press mold 40 still performs pumping to absorb the paper-plastic product, and then the first lower hot press mold 40 absorbs the paper-plastic product and moves downward to return; then the sliding rail block 74 of the first material receiving mechanism 70 is pushed by an external power mechanism to move along the transverse rail 73, and drives the sliding rod 75 to push the multiple adsorbing members 76 to move synchronously, so that the sliding rod 75 and the multiple adsorbing members 76 enter the first side space 31 together, and the multiple adsorbing members 76 stop after one pair of positive paper-plastic products, and then the transverse rail 73 is pushed by the external power mechanism to descend a short distance along the straight rail 72, so that the adsorbing members 76 stop after contacting the paper-plastic products, and simultaneously the vacuum suction mechanism connected with the adsorbing members 76 starts the adsorption, and the third suction device connected with the first lower hot-pressing mold 40 stops the suction, so that the paper-plastic products are transferred to be adsorbed by the adsorbing members 76; while the above operations are performed, the operations belonging to the second production cycle are also continued, and as shown in fig. 6, the slurry suction mold 20 sucks the blank layer sucked again and moves upward from the slurry tank 10, and the second hot pressing upper mold 50 also moves laterally along the guide rail 32 into the central space 11, and is matched with the slurry suction mold 20 to press and dewater the blank layer, which are completely the same as those performed by the first hot pressing upper mold 30, and thus are not repeated.

5. As shown in fig. 7, the operation belonging to the first production cycle is that the transverse rail 73 moves up and returns back along the straight rail 72, and the sliding rail block 74 moves reversely along the transverse rail 73, and drives the sliding rod 75 and the plurality of adsorbing members 76 (adsorbing the plurality of paper-plastic products) to exit to the outside of the first side space 31, and during the operation, the existing collecting container waits below the plurality of adsorbing members 76 (adsorbing the plurality of paper-plastic products), so that the adsorbing member 76 immediately stops adsorbing, so that the plurality of paper-plastic products enter the collecting container, but the collected part is not in the scope of the present invention, and thus the present invention is not repeated; while the above operations are performed, the operations belonging to the second production cycle are also continuously performed, as shown in fig. 7, the second upper hot-pressing mold 50 absorbs the blank product and moves reversely along the guide rail 32 to enter the second side space 51 to return to its original position, and then the second lower hot-pressing mold 60 rises to close the second upper hot-pressing mold 50, so as to perform hot-pressing and shaping operations on the blank product belonging to the second production cycle together to completely dry the blank product into a paper-plastic product, in the process, the slurry suction mold 20 descends into the slurry tank 10 to return to the zero (initial) position, and then the slurry suction of the third round is performed, so that a blank layer is formed on the mold surface of the slurry suction mold 20 again; it can be stated that, when the paper-plastic product belonging to the first production cycle is removed and collected, the hot press forming operation belonging to the second production cycle is also in progress, and the slurry suction belonging to the third production cycle is also expanded, so that the first, second and third production cycles can be simultaneously performed in sequence to greatly shorten the production cycle.

6. As shown in fig. 8, the operation belonging to the second production cycle is that when the hot press forming operation time is up, the second hot press lower die 60 absorbs the paper-plastic product to move back downward, and at the same time, the slide rail block 84 of the second material receiving mechanism 80 drives the slide rod 85 to push the plurality of absorbing members 86 to move synchronously along the transverse rail 83, so that the slide rod 85 and the plurality of absorbing members 86 enter the second side space 51 together, and the plurality of absorbing members 86 are aligned to each paper-plastic product, and then the transverse rail 83 descends along the straight rail 82 to make the absorbing members 86 contact the paper-plastic product, and then the absorbing members 86 start the absorbing action, and the second hot press lower die 60 stops the absorbing action, so that the paper-plastic product is transferred to be absorbed by the absorbing members 86; while the above operations are performed, the operations belonging to the third production cycle are also continued, and as shown in fig. 8, the slurry suction mold 20 sucks the blank layer sucked by the third wheel, moves upward from the slurry tank 10, and the first hot pressing upper mold 30 moves laterally along the guide rail 32 again into the central space 11 to be closed by the slurry suction mold 20 to squeeze the blank layer for dehydration, which are completely the same as those performed by the first hot pressing upper mold 30 and the second hot pressing upper mold 50, and thus, the description thereof is omitted.

7. As shown in fig. 9, the operation belonging to the second production cycle is that the transverse rail 83 goes up and returns along the straight rail 82, and at the same time, the sliding rail block 84 moves reversely along the transverse rail 83, and drives the sliding rod 85 and the plurality of adsorbing members 86 (adsorbing the plurality of paper-plastic products) to exit to the outside of the second side space 51, and during the operation, a container for collecting is waiting below the plurality of adsorbing members 86, so that the adsorbing members 86 stop adsorbing immediately, so that the plurality of paper-plastic products enter the container for collecting, and the collected part is not included in the scope of the present invention, and thus is not described again; while the above operations are performed, the operations belonging to the third production cycle are also continuously performed, as shown in fig. 7, the first upper hot-pressing mold 30 absorbs the primary blank and moves reversely along the guide rail 32 to enter the first side space 31 to return to the original position, and then the first lower hot-pressing mold 40 rises to be matched with the first upper hot-pressing mold 30, so as to perform the hot-pressing and shaping operation on the primary blank belonging to the third production cycle together to form a paper-plastic product, in the process, the slurry suction mold 20 descends again to enter the slurry tank 10 to return to the zero (initial) position, and performs the slurry suction for the fourth wheel, so that a blank layer is formed on the mold surface of the slurry suction mold 20 again; it can be emphasized that, while the paper-plastic products belonging to the second production cycle are removed and collected, the hot press forming operation belonging to the third production cycle is also in progress, and the pulp suction belonging to the fourth production cycle is also expanded, so that when the first production cycle is finished, the second, third and fourth production cycles are still performed simultaneously in sequence. Therefore, the convenience of multiple production periods can be realized simultaneously, the manufacturing speed can be improved, the production period can be shortened, and the manufacturing cost can be reduced.

After the above steps are performed one by one, the expected paper-plastic product can be manufactured and molded, and because the first, second and third production periods or the second, third and fourth production periods (and so on) can be performed simultaneously in sequence, the invention aims of improving the manufacturing speed, shortening the production period and reducing the manufacturing cost can be achieved.

From the above-mentioned structure and process steps of the automatic molding machine 1 for paper-plastic products, it can be seen that the first hot-pressing upper mold 30 and the second hot-pressing upper mold 50, the first hot-pressing lower mold 40 and the second hot-pressing lower mold 60, and the first material receiving mechanism 70 and the second material receiving mechanism 80 are actually the same structure and used in the same process steps, and only the set positions are distinguished on both sides of the central space 11; therefore, in terms of practical operation, the automatic paper-plastic product forming machine 1 must have the pulp box 10 and the pulp suction mold 20, and if only the first upper hot-pressing mold 30, the first lower hot-pressing mold 40 and the first material receiving mechanism 70 exist, or only the second upper hot-pressing mold 50, the second lower hot-pressing mold 60 and the second material receiving mechanism 80 exist, the invention can still achieve the purposes of improving the manufacturing speed, shortening the production period and reducing the manufacturing cost by performing rapid cold extrusion (dehydration) and rapid hot-pressing after pulp suction.

In the manufacturing steps disclosed in the above manufacturing method, when the first hot-pressing upper die 30 (or the second hot-pressing upper die 50) and the first hot-pressing lower die 40 (or the second hot-pressing lower die 60) are closed to perform hot-pressing operation, both the first hot-pressing upper die 30 (or the second hot-pressing upper die 50) and the first hot-pressing lower die 40 (or the second hot-pressing lower die 60) perform suction (vacuum) or blowing (air blowing) action, wherein the suction action is mainly to suck out the moisture vapor generated by the moisture removal of the primary blank, and the blowing action is to smoothly separate the moisture from the paper-plastic product.

Taking the first upper hot-pressing mold 30 as an example, the first upper hot-pressing mold 30 is structurally, as shown in fig. 10-13, a plurality of air suction hole sites 331 (as shown in fig. 12) are formed on each slurry suction portion on the mold surface of a mold table 33, the air suction hole sites 331 are all communicated upwards to an air chamber 332 (as shown in fig. 13) towards the interior of the mold table 33, then the air chamber 332 is all communicated to an air suction header pipe 334 (as shown in fig. 10 and 11) after being bent outwards and downwards through an air suction middle section pipe 333, and then is sucked and exhausted by an air suction mechanism connected to the rear end of the air suction header pipe 334; as can be seen from fig. 13, when the inner end of the pumping middle stage tube 333 is connected to the air chamber 332, the lower point of the inner end of the pumping middle stage tube 333 is lower than the air chamber 332, and the function is that, because the pumping hole 331 pumps water vapor upwards into the air chamber 332, when the water vapor reaches the air chamber 332, the water vapor will be transformed into water liquid which sinks into the air chamber 332 due to slight temperature reduction, and at this time, the lower point of the inner end of the pumping middle stage tube 333 is lower than the structure of the air chamber 332, it can be ensured that the water liquid in the air chamber 332 will enter the pumping middle stage tube 333 to be completely pumped and discharged; meanwhile, the structure that the pumping middle-stage pipe 333 is bent outward and downward and then communicated with the pumping manifold 334 can ensure that water liquid is completely discharged and prevented from flowing back to the air chamber 332. The second hot pressing upper mold 50 is completely the same as that shown in fig. 10 to 13 in structure, and thus is not shown and described again.

As for the first lower hot pressing die 40 and the second lower hot pressing die 60, because they are turned downward relative to the first upper hot pressing die 30 and the second upper hot pressing die 50, i.e. the slurry suction hole site and the air suction hole site are located on the top surface of the die surface, when pumping is performed to make the water vapor reach the air chamber and convert into water liquid, the water liquid will easily enter the air suction middle segment tube due to the gravity and be discharged, so the low point position of the inner end of the air suction middle segment tube is flush with the air chamber, and it is not necessary to be lowered intentionally.

Similarly, taking the first upper hot pressing mold 30 as an example, as shown in fig. 10 to 13, a plurality of air blowing hole sites 335 (as shown in fig. 12) are additionally formed on each slurry suction portion on the mold surface of the mold table 33, the air blowing hole sites 335 are all communicated with an air inlet pipe 336 (as shown in fig. 13) upwards towards the interior of the mold table 33, and then the air inlet pipe 336 is communicated and collected by an air inlet mechanism; the blowing hole 335 and the air inlet pipe 336 are independently arranged, but are not mixed with the air exhaust hole 331 and the air chamber 332, and mainly the carbonized fibers precipitated in the air chamber 332 are blown to the die surface and the paper-plastic finished product during the air blowing during the mixing, so the blowing hole 335 and the air inlet pipe 336 are independently arranged, the worry that the carbonized fibers precipitated in the air chamber 332 are blown to the die surface and the paper-plastic finished product can be completely avoided, and the die surface and the paper-plastic product are ensured to be clean. The second upper hot pressing die 50, the first lower hot pressing die 40 and the second lower hot pressing die 60 are also provided with independently operated blowing holes and air inlet pipes, which are completely as shown in fig. 10 to 13, and thus are not shown and described again.

Claims

1. An automatic forming machine for paper-plastic products is characterized by comprising:

the pulp suction mould is supported by a support piece at the bottom through the pulp box to be in a state that the mould surface is upward, the support piece can do lifting action to drive the pulp suction mould to synchronously lift, the pulp suction mould is driven by the support piece when in a zero state, the pulp suction mould is immersed in the pulp box, and the pulp suction mould is connected with the first pumping device and can receive the pumping action or the blowing action of the first pumping device;

the hot-pressing upper die is arranged in the space on one side and hung on a guide rail, the space on the side is close to the central space and is positioned on one side of the central space, the die surface of the hot-pressing upper die faces downwards, the die surface of the hot-pressing upper die and the die surface of the pulp suction die are correspondingly symmetrical in shape, the hot-pressing upper die is driven by an external power mechanism to horizontally and transversely displace along the guide rail, and the hot-pressing upper die is connected with the second pumping device and can receive the pumping action or the blowing action of the second pumping device; and

2. The automatic paper-plastic product molding machine according to claim 1, characterized in that: the upper hot-pressing mould is divided into a first upper hot-pressing mould and a second upper hot-pressing mould, the first upper hot-pressing mould and the second upper hot-pressing mould are respectively arranged in a first side space and a second side space, the first side space and the second side space are close to the central space and are respectively positioned at two sides of the central space, the first upper hot-pressing mould and the second upper hot-pressing mould are hung on the same guide rail, the guide rail is arranged in the upper spaces of the first side space, the central space and the second side space in a penetrating manner, the mould surfaces of the first upper hot-pressing mould and the second upper hot-pressing mould are all downward, the mould surfaces of the first upper hot-pressing mould and the second upper hot-pressing mould are all correspondingly symmetrical with the mould surface of the slurry suction mould in shape, the first upper hot-pressing mould and the second upper hot-pressing mould are both driven by an external power mechanism to be capable of horizontally and transversely moving along the guide rail, and the first upper hot-pressing mould and the second upper hot-pressing mould are both connected with a pumping device to receive the pumping or blowing effect of the pumping device; the hot pressing lower die is divided into a first hot pressing lower die and a second hot pressing lower die, the first hot pressing lower die and the second hot pressing lower die are respectively arranged in the first side space and the second side space, the first hot pressing lower die and the second hot pressing lower die are respectively positioned below the first hot pressing upper die and the second hot pressing upper die, the die surfaces of the first hot pressing lower die and the second hot pressing lower die are upward, the die surfaces of the first hot pressing lower die and the second hot pressing lower die are respectively symmetrical to the first hot pressing upper die and the second hot pressing upper die, the bottoms of the first hot pressing lower die and the second hot pressing lower die are driven by an external power mechanism to perform vertical displacement, and the first hot pressing lower die and the second hot pressing lower die are connected with a pumping device and can receive the pumping action or blowing action of the pumping device.

3. The automatic paper-plastic product molding machine according to claim 1, characterized in that: the material receiving mechanism is arranged outside the side space and is provided with an upright base which stands at a fixed position, and a straight track is arranged on one side surface of the upright base; the transverse track is transversely arranged on the straight track in a crossed manner, a large section of the transverse track extends towards the side space, and the transverse track can be pushed by an external power mechanism, integrally moves up and down along the straight track and can be controlled to stop moving at any time; the sliding rail block is clamped on the transverse rail, can move transversely along the transverse rail under the push of an external power mechanism, and can be controlled to stop moving at any time; the sliding rod is fixedly arranged below the sliding rail block, can do transverse movement along the transverse rail along with the sliding rail block and can stop moving along with the sliding rail block at any time, the sliding rod extends out of a large section towards the side space, and an adsorption piece is arranged below the sliding rod and can generate adsorption action due to connection with a vacuum suction mechanism.

4. An automatic machine for forming paper-plastic products according to claim 3, characterized in that: the receiving mechanism is divided into a first receiving mechanism and a second receiving mechanism, and the first receiving mechanism and the second receiving mechanism are respectively arranged outside the first side space and the second side space.

5. The automatic paper-plastic product molding machine according to claim 1, characterized in that: the hot-pressing upper die is characterized in that a plurality of air exhaust hole sites are formed in each slurry suction part on the die surface of the die table, the air exhaust hole sites are upwards communicated to an air chamber towards the inside of the die table, the air chamber is outwards bent downwards through an air exhaust middle section pipe and then communicated to an air exhaust manifold, an air exhaust mechanism connected with the air exhaust manifold sucks air and discharges the air, and when the inner end of the air exhaust middle section pipe is communicated with the air chamber, the lower point position of the inner end of the air exhaust middle section pipe is lower than that of the air chamber.

6. The automatic paper-plastic product molding machine according to claim 1, characterized in that: the hot-pressing upper die and the hot-pressing lower die are provided with a plurality of air blowing hole sites on each pulp sucking part on the die surface of the die table, the air blowing hole sites are upwards or downwards communicated to an air inlet pipe towards the inside of the die table, and the air inlet pipe is communicated and converged by an air inlet mechanism.

7. A manufacturing method of an automatic paper-plastic product forming machine is realized by utilizing the automatic paper-plastic product forming machine and comprises the following specific steps:

(2) When the slurry suction time is up, the supporting piece stretches to push the slurry suction mould to absorb the blank layer and separate the blank layer from the slurry box to move upwards, and in the process, the pumping device connected with the slurry suction mould continuously performs pumping action to gradually dehydrate and dewet the blank layer; the upper hot-pressing die is driven by an external power mechanism connected with the upper hot-pressing die to transversely move along the guide rail to enter the central space, the upper hot-pressing die stops moving at a position corresponding to the slurry suction die, the slurry suction die which moves upwards immediately adsorbs the blank layer, the upper hot-pressing die closes to extrude the blank layer to dehydrate, a pumping device connected with the upper hot-pressing die starts pumping action in the process, the blank layer is dehydrated and dehumidified, when the closing and extruding time is up, the blank layer is dehumidified to form a primary blank, the pumping device connected with the slurry suction die immediately converts the blowing action to separate the slurry suction die from the primary blank, and the upper hot-pressing die adsorbs the primary blank;

(3) The upper hot-pressing die adsorbs the primary blank and is driven by the connected external power mechanism to return reversely along the guide rail to enter the first side space, and stops at the position corresponding to the lower hot-pressing die, the lower hot-pressing die is driven by the connected external power mechanism to ascend to be matched with the upper hot-pressing die, and the primary blank is subjected to hot-pressing shaping operation together, so that the primary blank is completely dried to form a paper-plastic product, and in the process, pumping devices connected with the upper hot-pressing die and the lower hot-pressing die start pumping action to dry the primary blank to form the paper-plastic product;

8. The manufacturing method of an automatic molding machine for paper-plastic products as claimed in claim 7, characterized in that: after the hot-pressing lower die adsorbs the paper-plastic product to move downwards and return, the sliding rail block of the material receiving mechanism is pushed by an external power mechanism to move along the transverse track and drive the sliding rod to push the adsorption piece to move synchronously, so that the sliding rod part and the adsorption piece enter the side space to enable the adsorption piece to align the paper-plastic product, then the transverse track is pushed by the external power mechanism to descend along the straight track to enable the adsorption piece to be attached to the paper-plastic product, meanwhile, a vacuum suction mechanism connected with the adsorption piece starts adsorption, and a pumping device connected with the hot-pressing lower die stops pumping, so that the paper-plastic product is transferred to be adsorbed by the adsorption piece; the transverse track rises along the straight track to return, the slide rail block moves reversely along the transverse track, the slide rod and the adsorption piece adsorbing the paper-plastic products are driven to retreat to the outside of the first side space, and then the adsorption piece stops adsorbing, so that the paper-plastic products are collected.

9. The manufacturing method of an automatic molding machine for paper-plastic products according to claim 7, characterized in that: when the hot-pressing upper die absorbs the primary product to reversely return, the slurry suction die stops blowing, and is driven by the support to descend into the slurry box to return to the initial position and perform slurry suction action, so that another blank layer is formed on the die surface of the slurry suction die again, then when the hot-pressing upper die and the hot-pressing lower die perform hot-pressing shaping operation on the primary product, the slurry suction die absorbs the another blank layer to leave the slurry box to move upwards, simultaneously another hot-pressing upper die in the other side space moves transversely along the guide rail into the central space to extrude the another blank layer with the slurry suction die to be dehydrated into another primary product, then the slurry suction die separates from the another primary product to descend into the slurry box to return to the initial position, the another hot-pressing upper die absorbs the another primary product to move reversely along the guide rail to enter the other side space to return, then another hot-pressing lower die ascends and closes with the another hot-pressing upper die, another hot-pressing shaping operation is performed on the another blank product together to completely dry into another primary product, the other hot-pressing upper die separates from the another hot-pressing upper die to collect the another hot-pressing product, and the other hot-pressing upper die to return to wait for hot-pressing operation.