Four-mold paper-plastic grouting forming machine

Abstract

The invention discloses a four-mold paper-plastic slip casting forming machine which comprises a pulp chest, and paper pulp is contained in the pulp chest. The pulp suction mold is provided with a forming cavity and a pulp suction net, and after a paper pulp wet blank is formed in the forming cavity, the pulp suction net adsorbs the paper pulp wet blank into the forming cavity; the pulp injection mold is connected with the pulp chest through a pipeline, a pulp injection hole is formed in the pulp injection mold, and after the pulp injection mold is attached to the pulp suction mold, paper pulp in the pulp chest is injected into the forming cavity through the pulp injection hole; the hot-pressing die comprises an upper hot-pressing die and a lower hot-pressing die, the wet paper pulp blank is transferred to the surface of the lower hot-pressing die, and the upper hot-pressing die is close to the lower hot-pressing die so as to perform hot-pressing on the wet paper pulp blank. The wet paper pulp blank can be formed in multiple modes, the applicability of equipment is improved, different forming modes are selected according to different product types, and therefore the quality and the yield of products can be effectively improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of paper-plastic grouting molding machines, and particularly relates to a four-mode paper-plastic grouting molding machine. Background Art

[0002] Due to advantages such as environmental protection and degradability, paper-plastic products are gradually replacing traditional plastic products. A paper-plastic molding machine is a key device for producing paper-plastic products. Its working principle is to inject pulp into a mold and make products through processes such as dehydration, molding, and drying.

[0003] Existing paper-plastic grouting molding machines are often three-mode molding machines, that is, one pulp suction mold and two hot pressing molds. The pulp suction mold adsorbs the pulp. After the wet blank is formed from the pulp, the wet blank is transferred to the positions of the two hot pressing molds, and the wet blank is hot-pressed and formed. During this process, the pulp is sucked by the pulp suction mold, and the quality of the formed wet blank is poor. For products with higher requirements for molding quality, the molding quality is insufficient. Moreover, the existing three-mode molding machine has limited functions and can only adsorb the pulp by the pulp suction method to form a wet blank, which has limitations for many products, resulting in a small application range of the equipment. Summary of the Invention

[0004] The present invention overcomes the deficiencies of the prior art and provides a four-mode paper-plastic grouting molding machine to solve the problems existing in the prior art.

[0005] To achieve the above object, the technical solution adopted by the present invention is: a four-mode paper-plastic grouting molding machine, including a pulp pool, in which pulp is contained;

[0006] A pulp suction mold, on which a molding cavity and a pulp suction net are provided. When a paper pulp wet blank is formed in the molding cavity, the pulp suction net adsorbs the paper pulp wet blank in the molding cavity;

[0007] A grouting mold, which is connected to the pulp pool through a pipeline. The grouting mold is provided with grouting holes. When the grouting mold is attached to the pulp suction mold, the pulp in the pulp pool is injected into the molding cavity through the grouting holes;

[0008] A hot pressing mold, which includes a hot pressing upper mold and a hot pressing lower mold. The paper pulp wet blank is transferred to the surface of the hot pressing lower mold, and the hot pressing upper mold approaches the hot pressing lower mold to hot-press the paper pulp wet blank.

[0009] In a preferred embodiment of the present invention, it further includes a frame, and both the pulp pool and the hot pressing lower mold are fixedly installed on the frame.

[0010] In a preferred embodiment of the present invention, a driving part is arranged on the frame to synchronously drive the pulp suction mold, the grouting mold, and the hot pressing upper mold.

[0011] In a preferred embodiment of the present invention, the driving part includes a driving motor, a lead screw and a moving bracket, and the slurry suction mold, the slurry injection mold and the hot pressing upper mold are all installed on the moving bracket.

[0012] In a preferred embodiment of the present invention, a flipping motor is arranged on one side of the slurry suction mold, and the flipping motor is connected to the slurry suction mold through a driving shaft to drive the slurry suction mold to flip.

[0013] In a preferred embodiment of the present invention, a first cylinder is arranged on the moving bracket, and the first cylinder is connected to the slurry suction mold through a movable frame to drive the slurry suction mold to lift and lower, and the flipping motor is installed on the movable frame.

[0014] In a preferred embodiment of the present invention, the slurry injection mold is located directly above the slurry suction mold, and the first cylinder drives the slurry suction mold so that the slurry suction mold fits or separates from the slurry injection mold.

[0015] In a preferred embodiment of the present invention, a second cylinder is arranged on the moving bracket, and the piston rod of the second cylinder is connected to the hot pressing upper mold to drive the hot pressing upper mold to approach or move away from the hot pressing lower mold.

[0016] The present invention solves the defects in the background technology, and the present invention has the following beneficial effects:

[0017] The four-mode paper-plastic slurry injection molding machine of the present invention can not only form paper pulp green embryos by the slurry suction molding method, but also form paper pulp green embryos by the slurry injection molding method, and can also form paper pulp green embryos by the combination of slurry suction and slurry injection, improving the applicability of the equipment and making the functionality of the equipment stronger. According to different product types, different molding methods can be selected, so that the quality and yield of products can be effectively improved, and small-pitch products can be made. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the drawings and embodiments;

[0019] Figure 1 It is a schematic diagram of the overall structure of the preferred embodiment of the present invention;

[0020] Figure 2 It is a top view of the preferred embodiment of the present invention;

[0021] Figure 3 It is a side view of the preferred embodiment of the present invention;

[0022] Figure 4 It is a schematic diagram of the partial structure of the preferred embodiment of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the slurry suction mold of the preferred embodiment of the present invention;

[0024] Figure 6 This is a schematic structural diagram of the grouting mold of the preferred embodiment of the present invention;

[0025] In the figure: 10, pulp pool; 20, suction mold; 21, forming cavity; 22, suction screen; 30, grouting mold; 31, grouting hole; 40, hot pressing mold; 41, upper hot pressing mold; 42, lower hot pressing mold; 50, frame; 60, driving part; 61, driving motor; 62, lead screw; 63, moving bracket; 70, flipping motor; 80, first cylinder; 90, movable frame; 100, second cylinder. Specific embodiments

[0026] The following will disclose multiple embodiments of the present invention in the form of diagrams. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present invention. That is to say, in some embodiments of the present invention, these physical details are unnecessary. In addition, for the purpose of simplifying the diagrams, some conventional structures and components will be shown in a simple schematic manner in the diagrams.

[0027] In addition, in the present invention, descriptions such as "first" and "second" are only for descriptive purposes, and do not particularly refer to the order or sequence, nor are they used to limit the present invention. They are merely used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] This embodiment provides a four-mode paper-plastic grouting molding machine. This four-mode paper-plastic grouting molding machine can not only form paper pulp green blanks by the suction molding method, but also form paper pulp green blanks by the grouting molding method, and can also form paper pulp green blanks by the combination of suction and grouting, improving the applicability of the equipment and making the functionality of the equipment stronger. According to different product types, different molding methods can be selected, so that the quality and yield of products can be effectively improved.

[0029] Combined with Figures 1 to 6As shown in the figure, the four-mode paper-plastic injection molding machine of this embodiment includes a pulp pool 10, a suction mold 20, a grouting mold 30, and a hot pressing mold 40. The hot pressing mold 40 of this embodiment includes a hot pressing upper mold 41 and a hot pressing lower mold 42. The suction mold 20, the grouting mold 30, the hot pressing upper mold 41, and the hot pressing lower mold 42 form a four-mode structure to realize the paper-plastic molding of products.

[0030] In this embodiment, the pulp pool 10 is filled with pulp. The suction mold 20 is provided with a molding cavity 21 and a suction screen 22. After the pulp wet blank is formed in the molding cavity 21, the suction screen 22 adsorbs the pulp wet blank in the molding cavity 21. The grouting mold 30 is connected to the pulp pool 10 through a pipeline. The grouting mold 30 is provided with a grouting hole 31. After the grouting mold 30 is attached to the suction mold 20, the pulp in the pulp pool 10 is injected into the molding cavity 21 through the grouting hole 31. At the same time, the suction mold 20 is evacuated to obtain a wet blank, and the wet blank adheres to the suction mold 20. When it is necessary to form a pulp wet blank by grouting, a pressure pump (not shown in the figure) is used to suck out the pulp in the pulp pool 10, and the sucked pulp is exported by the grouting mold 30. The grouting mold 30 is located directly above the suction mold 20. After the suction mold 20 approaches the grouting mold 30 and is attached to the grouting mold 30, the grouting mold 30 imports the pulp into the molding cavity 21 of the suction mold 20. Then, the suction mold 20 is evacuated under the action of the suction screen 22 to obtain the pulp wet blank located in the molding cavity 21.

[0031] Combined Figure 1 with Figure 2 As shown in the figure, the four-mode paper-plastic injection molding machine of this embodiment further includes a frame 50. The pulp pool 10 and the hot pressing lower mold 42 are both fixedly installed on the frame 50. A driving part 60 is arranged on the frame 50 to synchronously drive the suction mold 20, the grouting mold 30, and the hot pressing upper mold 41. The driving part 60 includes a driving motor 61, a lead screw 62, and a moving bracket 63. The suction mold 20, the grouting mold 30, and the hot pressing upper mold 41 are all installed on the moving bracket 63. After the pulp wet blank is formed in the molding cavity 21 of the suction mold 20, the driving motor 61 of the driving part 60 drives the moving bracket 63 through the lead screw 62, moves the suction mold 20 to directly above the hot pressing lower mold 42, then releases the negative pressure of the suction mold 20 to make the pulp wet blank fall on the hot pressing lower mold 42, and then the driving part 60 resets the suction mold 20. At this time, the hot pressing upper mold 41 is located directly above the hot pressing lower mold 42. At this time, the pulp wet blank is transferred to the surface of the hot pressing lower mold 42, and the hot pressing upper mold 41 approaches the hot pressing lower mold 42 to hot press the pulp wet blank.

[0032] In this embodiment, a turning motor 70 is provided on one side of the pulp suction mold 20. The turning motor 70 is connected to the pulp suction mold 20 through a drive shaft to drive the pulp suction mold 20 to turn. A first cylinder 80 is provided on the moving bracket 63. The first cylinder 80 is connected to the pulp suction mold 20 through a movable frame 90 to drive the pulp suction mold 20 to move up and down. The turning motor 70 is installed on the movable frame 90. The turning motor 70 in this embodiment realizes the turning motion of the pulp suction mold 20, while the first cylinder 80 realizes the lifting motion of the pulp suction mold 20. When the pulp suction mold 20 needs to perform pulp suction operation, the turning motor 70 drives the pulp suction mold 20 to make the forming cavity 21 of the pulp suction mold 20 face the pulp pool 10. The first cylinder 80 drives the pulp suction mold 20 to descend, so that the forming cavity 21 is filled with pulp, and is adsorbed in the forming cavity 21 under the action of the pulp suction net 22, thereby forming a wet pulp blank. When the pulp suction mold 20 moves above the hot pressing lower mold 42, the first cylinder 80 drives the pulp suction mold 20 to make the pulp suction mold 20 fit on the surface of the hot pressing lower mold 42, and then the negative pressure of the pulp suction mold 20 is released, so that the wet pulp blank stably falls on the surface of the hot pressing lower mold 42, so as to perform stable hot pressing on the wet pulp blank and improve the hot pressing accuracy.

[0033] Specifically, the grouting mold 30 in this embodiment is located directly above the pulp suction mold 20. The first cylinder 80 drives the pulp suction mold 20 to make the pulp suction mold 20 fit or separate from the grouting mold 30. After the pulp suction mold 20 and the grouting mold 30 are completely fitted, pulp is fully injected into the forming cavity 21 through the grouting hole 31 to form a wet pulp blank. For some products with higher quality requirements, this way of pulp injection can effectively improve the quality of the products. After the pulp is injected, the pulp suction net 22 on the pulp suction mold 20 performs negative pressure treatment to firmly adsorb the wet pulp blank in the forming cavity 21.

[0034] In this embodiment, a second cylinder 100 is provided on the moving bracket 63. The piston rod of the second cylinder 100 is connected to the hot pressing upper mold 41 to drive the hot pressing upper mold 41 to approach or move away from the hot pressing lower mold 42. After the wet pulp blank is placed on the hot pressing lower mold 42, the second cylinder 100 drives the hot pressing upper mold 41 to make the hot pressing upper mold 41 fit with the hot pressing lower mold 42 to complete the hot pressing treatment of the wet pulp blank and form a formed product.

[0035] In the actual use of the four-mold paper-plastic grouting molding machine in this embodiment, there are the following several usage methods:

[0036] Method 1: Under the combined action of the turning motor 70 and the first cylinder 80, the pulp suction mold 20 enters the pulp pool 10 for pulp suction treatment, so that a wet pulp blank is formed in the forming cavity 21 of the pulp suction mold 20, and then the pulp suction mold 20 turns 180° for dehydration;

[0037] Method 2: Under the combined action of the turning motor 70 and the first cylinder 80, the suction mold 20 enters the pulp pool 10 for suction treatment, so that the wet pulp embryo is formed in the forming cavity 21 of the suction mold 20. Then, the suction mold 20 turns 180°, so that the forming cavity 21 of the suction mold 20 corresponds to the position of the grouting mold 30. Then, the first cylinder 80 drives the suction mold 20 to make the suction mold 20 fit with the grouting mold 30, and cold presses the wet pulp embryo. After the treatment, the suction mold 20 is reset for static dehydration;

[0038] Method 3: Under the combined action of the turning motor 70 and the first cylinder 80, the suction mold 20 enters the pulp pool 10 for suction treatment, so that the wet pulp embryo is formed in the forming cavity 21 of the suction mold 20. Then, the suction mold 20 turns 180°, so that the forming cavity 21 of the suction mold 20 corresponds to the position of the grouting mold 30. Then, the first cylinder 80 drives the suction mold 20 to make the suction mold 20 fit with the grouting mold 30, and performs preliminary cold pressing on the wet pulp embryo. Then, the suction mold 20 turns 180°, and under the action of the first cylinder 80, the suction mold 20 is sent into the pulp pool 10 again for suction treatment. After suction, it turns over again and closes the mold with the grouting mold 30 to complete the second cold pressing. After the cold pressing is over, the suction mold 20 is reset for static dehydration;

[0039] Method 4: Under the combined action of the turning motor 70 and the first cylinder 80, the suction mold 20 and the grouting mold 30 are closed. The suction mold 20 is evacuated through the suction screen 22, and the pulp is introduced into the forming cavity 21 of the suction mold 20 through the grouting holes 31 on the grouting mold 30 to form a wet pulp embryo. After the wet pulp embryo is formed, the suction mold 20 stops evacuating and is reset under the combined action of the turning motor 70 and the first cylinder 80 for static dehydration;

[0040] Method 5: Under the combined action of the turning motor 70 and the first cylinder 80, the suction mold 20 enters the pulp pool 10 for suction treatment. After the suction is completed, under the combined action of the turning motor 70 and the first cylinder 80, the suction mold 20 and the grouting mold 30 are closed. After closing the mold, the grouting mold 30 grouts into the forming cavity 21 to form a wet pulp embryo;

[0041] Method 6: The suction mold 20 is closed with the grouting mold 30 under the combined action of the turning motor 70 and the first cylinder 80. The grouting mold 30 grouts into the forming cavity 21. After grouting, the suction mold 20 is reset and sent into the pulp pool 10 for suction treatment. After the suction is completed, the suction mold 20 is closed with the grouting mold 30 again to complete the cold extrusion of the wet pulp embryo, and then static dehydration is carried out.

[0042] In summary, the four-mode paper-plastic grouting molding machine of this embodiment can not only form pulp green blanks by the suction molding method, but also form pulp green blanks by the grouting molding method, and can also form pulp green blanks by the combination of suction and grouting, improving the applicability of the equipment and making the equipment more functional. According to different product types, different molding methods can be selected, so that the product quality and product yield can be effectively improved.

[0043] Although the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the present invention. That is to say, the methods, systems, devices, etc. discussed above are all examples. Various configurations can be appropriately omitted, replaced or various processes or components can be added. For example, in an alternative configuration, the method can be executed in a different order from the described order, and / or various stages can be added, omitted and / or combined. Moreover, the features described with respect to certain configurations can be combined in various other configurations. Different aspects and elements of the configuration can be combined in a similar manner. In addition, with the development of technology, many elements are only examples and do not limit the scope of the present disclosure or claims.

[0044] Specific details are given in the specification to provide a thorough understanding of the exemplary configurations including the implementation. However, the configurations can be practiced without these specific details. For example, well-known circuits, processes, algorithms, structures and technologies have been shown without unnecessary details to avoid obscuring the configurations. This description only provides exemplary configurations and does not limit the scope, applicability or configuration of the claims. On the contrary, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described technologies. Various changes can be made to the functions and arrangements of the elements without departing from the spirit or scope of the present disclosure.

[0045] In addition, although each operation can be described as a sequential process, many operations can be performed in parallel or simultaneously. In addition, the order of the operations can be rearranged. A process may have other steps. In addition, examples of the method can be implemented by hardware, software, firmware, middleware, code, hardware description language or any combination thereof. When implemented in software, firmware, middleware or code, the program code or code segment for performing the necessary tasks can be stored in a non-transitory computer-readable medium such as a storage medium and executed by a processor to perform the described tasks.

[0046] In summary, it is intended that the foregoing detailed description be regarded as illustrative rather than restrictive, and it should be understood that the claims (including all equivalents) are intended to define the spirit and scope of the present invention. These embodiments should be understood as being for illustrative purposes only and not for limiting the scope of the present invention. After reading the content described in the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

Claims

1. A four-mold paper plastic injection molding machine, characterized in that: include A pulp pool (10), wherein the pulp pool (10) contains paper pulp; A pulp absorption mold (20), wherein the pulp absorption mold (20) is provided with a molding cavity (21) and a pulp absorption net (22), and when a wet pulp embryo is formed in the molding cavity (21), the pulp absorption net (22) absorbs the wet pulp embryo into the molding cavity (21); A grouting mold (30), the grouting mold (30) being connected to the pulp pool (10) through a pipeline, the grouting mold (30) being provided with a grouting hole (31), and when the grouting mold (30) is attached to the slurry absorption mold (20), the pulp in the pulp pool (10) is injected into the molding cavity (21) through the grouting hole (31); A hot pressing mold (40), the hot pressing mold (40) comprises a hot pressing upper mold (41) and a hot pressing lower mold (42), the wet pulp embryo is transferred to the surface of the hot pressing lower mold (42), and the hot pressing upper mold (41) is close to the hot pressing lower mold (42) to hot press the wet pulp embryo.

2. A four-mold paper plastic injection molding machine according to claim 1, characterized in that: It also includes a frame (50), and the pulp pool (10) and the hot pressing lower mold (42) are both fixedly mounted on the frame (50).

3. A four-mold paper plastic injection molding machine according to claim 2, characterized in that: The frame (50) is provided with a driving unit (60) for synchronously driving the slurry suction mold (20), the slurry injection mold (30) and the hot pressing upper mold (41).

4. A four-mold paper plastic injection molding machine according to claim 3, characterized in that: The driving part (60) comprises a driving motor (61), a screw rod (62) and a moving bracket (63); the slurry suction mold (20), the slurry injection mold (30) and the hot pressing upper mold (41) are all mounted on the moving bracket (63).

5. A four-mold paper plastic injection molding machine according to claim 4, characterized in that: A flip motor (70) is provided on one side of the slurry suction mold (20); the flip motor (70) is connected to the slurry suction mold (20) via a driving shaft so as to drive the slurry suction mold (20) to flip.

6. A four-mold paper plastic injection molding machine according to claim 5, characterized in that: The motion bracket (63) is provided with a first cylinder (80), and the first cylinder (80) is connected to the slurry suction mold (20) through a movable frame (90) to drive the slurry suction mold (20) to rise and fall, and the flip motor (70) is installed on the movable frame (90).

7. A four-mold paper plastic injection molding machine according to claim 6, characterized in that: The grouting mold (30) is located directly above the grouting suction mold (20), and the first air cylinder (80) drives the grouting suction mold (20) so that the grouting suction mold (20) and the grouting mold (30) are attached to or separated from each other.

8. A four-mold paper plastic injection molding machine according to claim 4, characterized in that: A second cylinder (100) is disposed on the moving bracket (63), and a piston rod of the second cylinder (100) is connected to the hot pressing upper mold (41) to drive the hot pressing upper mold (41) to move closer to or away from the hot pressing lower mold (42).

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