Egg box paper pulp molding device

Abstract

The utility model discloses an egg box pulp molding device, which belongs to the technical field of manufacturing of pulp egg boxes and comprises a frame, a conveying mechanism and forming mechanisms on two sides of the conveying mechanism, each forming mechanism is provided with a pulp box, a bottom die, a pressing die and a corresponding driving component, and a transverse moving component is arranged on the frame. A transverse moving block of the transverse moving assembly drives the pressing die to be switched between the forming position aligned with the bottom die and the discharging position aligned with the conveying mechanism, a first cleaning assembly and a second cleaning assembly are arranged on the side, away from the conveying mechanism, of the pressing die, and online cleaning can be conducted on the bottom die when the pressing die moves. According to the utility model, the synchronous operation of forming and discharging can be realized, and the production efficiency is greatly improved; and the double cleaning assemblies can comprehensively remove residual impurities of the mold, the forming quality of the egg box is guaranteed, and continuous production of the equipment is achieved.

Description

Technical Field

[0001] This utility model relates to the field of paper pulp egg carton manufacturing technology, and in particular to an egg carton paper pulp molding device. Background Technology

[0002] Egg cartons, as the core protective packaging for the transportation and storage of fresh eggs, are mostly manufactured using environmentally friendly pulp molding technology. The pulp molding equipment is the core equipment for the large-scale production of egg cartons. Its core workflow is as follows: pulp fibers are adsorbed into the pulp tank through the bottom mold, and after the mold is closed, it is solidified by hot pressing between the bottom mold and the pressing mold. The molding efficiency of the equipment and the cleaning effect of the mold directly determine the production quality and continuous production capacity of the egg cartons.

[0003] Existing egg carton pulp molding equipment often leaves pulp fibers and impurities on the mold surface after molding. Incomplete cleaning of mold edges, gaps, and molding surfaces can easily lead to problems such as rough edges, material shortages, and surface defects in subsequent products, affecting molding quality. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and to provide an egg carton pulp molding device.

[0005] The technical solution adopted by this utility model is as follows: This application provides an egg carton pulp molding device, including a frame, a conveying mechanism disposed in the middle of the frame, and molding mechanisms disposed on both sides of the conveying mechanism. The molding mechanism includes a pulp tank, a bottom mold, a pressing mold, a lower driving component for driving the bottom mold to move up and down, and an upper driving component for driving the pressing mold to move up and down. Heating components are provided on both the bottom mold and the pressing mold. An air extraction component is provided on the pressing mold. A transverse moving component is provided on the frame. The transverse moving component includes a transverse moving rod and two transverse moving blocks disposed on the transverse moving rod. The two pressing molds are respectively disposed on the two transverse moving blocks. The pressing mold has a molding position aligned with the corresponding bottom mold and a discharge position aligned with the conveying mechanism. A first cleaning component and a second cleaning component are disposed on the side of the pressing mold away from the conveying mechanism. The first cleaning component and the second cleaning component are both used to clean the bottom mold when the pressing mold moves.

[0006] In some embodiments, the first cleaning assembly includes a first pipe and a plurality of straight nozzles uniformly disposed on the first pipe, and the second cleaning assembly includes a second pipe and a plurality of rotating nozzles uniformly disposed on the second pipe.

[0007] In some embodiments, the first pipe and the second pipe are arranged side by side, and the second pipe is located between the first pipe and the mold.

[0008] In some embodiments, the rotary nozzle includes a connecting seat, a transfer seat, and a nozzle head. The connecting seat is fixed to a second pipe. The upper end of the transfer seat is threadedly connected to the connecting seat, and a ball head is provided at its lower end. A lower clamping plate is provided at the upper end of the nozzle head. Vertical rods are provided at the four corners of the lower clamping plate. An upper clamping plate is slidably provided on the vertical rods. A matching conical surface is provided on the side of the upper and lower clamping plates facing the ball head. A sealing gasket is provided between the conical surface and the ball head. A locking nut is provided at the top of the vertical rods. A communicating flow channel is provided inside the connecting seat, the transfer seat, and the nozzle head.

[0009] In some embodiments, the flow channel includes a first channel, a second channel, and a third channel sequentially disposed within the transfer seat. The diameter of the second channel is larger than that of the first and third channels, and the second channel is spherical with a wider middle and narrower ends.

[0010] In some embodiments, the flow channel further includes a fourth channel and a fifth channel sequentially disposed on the nozzle, wherein the fourth channel is an inverted trapezoid with its upper end larger than that of the third channel, and the diameter of the fifth channel is smaller than that of the outlet of the fourth channel.

[0011] In some embodiments, both the first cleaning assembly and the second cleaning assembly include a third pipe and a plurality of rotating nozzles uniformly disposed on the third pipe.

[0012] In some embodiments, the rotating nozzle is adjusted to align with the straight nozzle and the bottom mold cleaning position.

[0013] The beneficial effects of this utility model are as follows: The symmetrical layout of the dual forming mechanisms on both sides of the conveying mechanism, combined with the transverse component, drives the die to switch between the forming and discharging positions, achieving synchronous forming and discharging operations and significantly improving production efficiency. A first cleaning component and a second cleaning component are set along the die's moving path, allowing for online cleaning of the bottom die during die movement without requiring manual intervention, thus enabling continuous production. The combined design of the dual cleaning components enables multi-angle and multi-mode cleaning, thoroughly removing residual pulp fibers and impurities from the bottom die, ensuring die cleanliness, and improving the forming quality and product consistency of the egg carton. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, obtaining other drawings based on these drawings without creative effort still falls within the scope of this utility model.

[0015] Figure 1This is a schematic diagram of an egg carton pulp molding device according to the present invention;

[0016] Figure 2 This is a partial schematic diagram of the first cleaning component in this utility model;

[0017] Figure 3 This is a partial schematic diagram of the second cleaning component in this utility model;

[0018] Figure 4 This is a cross-sectional view of the rotating nozzle in this utility model;

[0019] Figure 5 This is a partial cross-sectional view of the rotating nozzle in this utility model;

[0020] Figure 6 This is a schematic diagram of the egg carton in this utility model;

[0021] In the diagram: 1-Frame, 2-Conveying mechanism, 3-Forming mechanism, 31-Slurry tank, 32-Bottom mold, 33-Pressure mold, 34-Lower drive assembly, 35-Upper drive assembly, 4-Transverse assembly, 41-Transverse rod, 5-First cleaning assembly, 51-First pipe, 52-Straight nozzle, 6-Second cleaning assembly, 61-Second pipe, 62-Rotating nozzle, 621-Connecting seat, 622-Transfer seat, 623-Nozzle, 624-Spherical head, 625-Lower clamping plate, 626-Vertical rod, 627-Upper clamping plate, 628-Conical surface, 629-Sealing gasket, 6210-Locking nut, 6211-Flow channel, 6212-First channel, 6213-Second channel, 6214-Third channel, 6215-Fourth channel, 6216-Fifth channel. Detailed Implementation

[0022] The following description provides specific application scenarios and requirements for this specification, intended to enable those skilled in the art to make and use the contents of this specification. Various partial modifications to the disclosed embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments and applications without departing from the spirit and scope of this specification. Therefore, this specification is not limited to the embodiments shown, but rather to the widest scope consistent with the claims.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "longitudinal", "lateral", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element or component to have a specific orientation, or to be constructed and operated in a specific orientation.

[0024] It should be noted that the terms "first," "second," and similar words do not indicate any order, quantity, or importance, but are only used to distinguish different components and should not be construed as limiting the embodiments of this application.

[0025] It should be noted that the terms "installation," "setup," "equipped with," "connection," and "connected" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral structures; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two devices, components, or parts.

[0026] It should be noted that the terms "in some embodiments," "exemplarily," and "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "in some embodiments," "exemplarily," or "for example" should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "in some embodiments," "exemplarily," and "for example" is intended to present the relevant concepts in a specific manner, meaning that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of this application.

[0027] Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0028] Regarding the accompanying drawings of this application, it should be clearly understood that the drawings are for illustrative and descriptive purposes only and are not intended to limit the scope of this specification. It should also be understood that the drawings are not necessarily drawn to scale.

[0029] Existing egg carton pulp molding equipment, in manufacturing such as Figure 6 When making egg cartons, pulp fibers and impurities are easily left on the mold surface after molding. Incomplete cleaning of the mold edges, gaps and molding surfaces can easily lead to problems such as rough edges, material shortages and surface defects in subsequent products, affecting the molding quality.

[0030] Based on the above issues, such as Figures 1 to 5As shown, this application proposes an egg carton pulp molding apparatus, including a frame 1, a conveying mechanism 2 disposed in the middle of the frame 1, and molding mechanisms 3 disposed on both sides of the conveying mechanism 2. The frame 1 is the overall load-bearing structure of the equipment. The conveying mechanism 2 adopts a belt conveyor line to receive the molded egg carton finished product and transport it to the next process. The molding mechanisms 3 symmetrically arranged on both sides can operate synchronously to realize dual-station molding and greatly improve production capacity.

[0031] The forming mechanism 3 includes a pulp tank 31, a bottom mold 32, a pressing mold 33, a lower driving component 34 for driving the bottom mold 32 to move up and down, and an upper driving component 35 for driving the pressing mold 33 to move up and down. The pulp tank 31 is fixed on the frame 1 and is used to hold pulp raw materials. The bottom mold 32 is fixed to the output end of the lower driving component 34 and can be immersed in the pulp tank 31 under its drive to complete pulp adsorption. The pressing mold 33 is fixed to the output end of the upper driving component 35 and can be closed with the bottom mold 32 to complete hot pressing forming. Heating components are provided on both the bottom mold 32 and the pressing mold 33. The heating components are electric heating tubes, which can heat the mold to realize hot pressing solidification forming of the pulp. An air extraction component is provided on the pressing mold 33. The air extraction component is connected to the forming cavity of the pressing mold 33 through a negative pressure pipeline. When the mold is closed, excess water can be extracted to speed up the forming speed and can also be used for adsorption and transfer of finished products.

[0032] Specifically, the frame 1 is equipped with a transverse movement assembly 4, which includes a transverse movement rod 41 and two transverse movement blocks disposed on the transverse movement rod 41. Two pressing molds 33 are respectively disposed on the two transverse movement blocks. The transverse movement blocks can slide horizontally along the transverse movement rod 41, thereby driving the pressing molds 33 to move horizontally, so that the pressing molds 33 have a forming position aligned with the corresponding bottom mold 32 and a discharge position aligned with the conveying mechanism 2. The transverse movement assembly 4 can be pneumatic, electric, or other types.

[0033] When the mold 33 is in the forming position, the upper drive component 35 drives the mold 33 to move down and close with the bottom mold 32 to form the mold. After forming, the mold 33 absorbs the finished product and moves it to the discharge position, releasing the finished product onto the conveying mechanism 2 to complete the discharge. This achieves synchronous operation of forming and discharge, eliminating the need to wait for a single station cycle and improving production efficiency.

[0034] A first cleaning component 5 and a second cleaning component 6 are provided on the side of the pressing mold 33 away from the conveying mechanism 2. Both the first cleaning component 5 and the second cleaning component 6 are used to clean the bottom mold 32 when the pressing mold 33 moves. When the pressing mold 33 moves from the forming position to the discharge position, the first cleaning component 5 and the second cleaning component 6 simultaneously pass over the bottom mold 32 to clean the forming surface of the bottom mold 32 online, without the need for machine shutdown and manual cleaning, thus realizing continuous production of the equipment.

[0035] In some embodiments, the first cleaning component 5 includes a first pipe 51 and a plurality of straight nozzles 52 uniformly arranged on the first pipe 51, and the second cleaning component 6 includes a second pipe 61 and a plurality of rotating nozzles 62 uniformly arranged on the second pipe 61. Both the first pipe 51 and the second pipe 61 are externally connected to a high-pressure water pump. The straight nozzles 52 can spray high-pressure direct current water jets to powerfully rinse the forming surface of the bottom mold 32 and remove large areas of residual pulp. The rotating nozzles 62 can spray rotating water jets to thoroughly clean the gaps, grooves and other dead corners of the bottom mold 32. The combination of the two cleaning methods greatly improves the cleaning effect.

[0036] In a preferred embodiment, the first pipe 51 and the second pipe 61 are arranged side by side, with the second pipe 61 located between the first pipe 51 and the mold 33. During the movement of the mold 33, the straight nozzle 52 first performs a preliminary strong rinsing of the bottom mold 32, and then the rotating nozzle 62 performs a fine secondary cleaning, making the cleaning process more reasonable and the cleaning more thorough.

[0037] Furthermore, the rotating nozzle 62 is adjusted to align with the cleaning position of the straight nozzle 52 and the bottom mold 32, which can perform precise secondary cleaning on the area of ​​the bottom mold 32 after rinsing by the straight nozzle 52, ensuring the continuity of the cleaning effect.

[0038] In some embodiments, the rotary nozzle 62 includes a connecting seat 621, a transfer seat 622, and a nozzle 623. The connecting seat 621 is fixedly connected to the second pipe 61. The upper end of the transfer seat 622 is threadedly connected to the connecting seat 621, and its lower end is integrally formed with a ball head 624. The upper end of the nozzle 623 is fixedly provided with a lower clamping plate 625. Vertical rods 626 are vertically fixed at the four corners of the lower clamping plate 625. An upper clamping plate 627 is slidably provided on the vertical rod 626. A conical surface 628 adapted to the ball head 624 is provided on the side of the upper clamping plate 627 and the lower clamping plate 625 facing the ball head 624. A sealing gasket 629 is provided between the conical surface 628 and the ball head 624. A locking nut 6210 is provided at the top of the vertical rod 626. A flow channel 6211 is provided in the connecting seat 621, the transfer seat 622, and the nozzle 623.

[0039] This configuration allows for adjustment of the spray angle of the nozzle 623 around the ball head 624, adapting to the cleaning needs of different molding surfaces of the bottom mold 32; the sealing gasket 629 prevents high-pressure water from leaking from the mating gap, ensuring the spray pressure.

[0040] Specifically, the flow channel 6211 includes a first channel 6212, a second channel 6213, and a third channel 6214 sequentially disposed within the transfer seat 622. The diameter of the second channel 6213 is larger than that of the first channel 6212 and the third channel 6214, and the second channel 6213 is spherical, wider in the middle and narrower at both ends. When the high-pressure water flows through the spherical second channel 6213, turbulence is formed within the cavity, increasing the impact force of the water flow and preventing a sudden drop in water pressure, thus ensuring the spray force of the nozzle 623.

[0041] Furthermore, the flow channel 6211 also includes a fourth channel 6215 and a fifth channel 6216 sequentially disposed on the nozzle 623. The fourth channel 6215 is an inverted trapezoid, with its upper end larger than that of the third channel 6214, and the diameter of the fifth channel 6216 is smaller than that of the outlet of the fourth channel 6215. The inverted trapezoidal fourth channel 6215 can converge the water flow, which is then sprayed out through the small-diameter fifth channel 6216, further increasing the water jet speed and enhancing the cleaning effect.

[0042] In some embodiments, both the first cleaning component 5 and the second cleaning component 6 include a third pipe and a plurality of rotating nozzles 62 uniformly arranged on the third pipe. The dual sets of rotating nozzles 62 can achieve multi-angle, full-coverage rotating rinsing, adapting to the cleaning needs of the bottom mold 32 with complex surface structure and many dead corners, and improving the versatility of the equipment. However, the cost will be slightly higher than the previous solution.

[0043] In summary, after reading this detailed disclosure, those skilled in the art will understand that the foregoing detailed disclosure is presented by way of example only and is not restrictive. Although not explicitly stated herein, those skilled in the art will understand that the requirements of this application encompass various reasonable changes, improvements, and modifications to the embodiments. These changes, improvements, and modifications are intended to be made by this application and are within the spirit and scope of the exemplary embodiments of this application.

[0044] Furthermore, it should be understood that in the foregoing description of the embodiments of this application, various features are combined in a single embodiment, drawing, or description for the purpose of simplifying the understanding of a feature. However, this does not mean that the combination of these features is necessary, and those skilled in the art may readily identify some of the devices as separate embodiments when reading this application. That is, the embodiments in this application can also be understood as an integration of multiple sub-embodiments. It is also valid when each sub-embodiment contains fewer than all the features of a single foregoing disclosed embodiment.

[0045] Finally, it should be understood that the embodiments disclosed herein are illustrative of the principles of the embodiments of this application. Other modified embodiments are also within the scope of this application. Therefore, the embodiments disclosed herein are merely examples and not limitations. Those skilled in the art can adopt alternative configurations to implement the applications in this application based on the embodiments in this application. Therefore, the embodiments of this application are not limited to the embodiments precisely described in the application.

Claims

1. An egg carton pulp molding apparatus, characterized in that, The device includes a frame, a conveying mechanism located in the middle of the frame, and forming mechanisms located on both sides of the conveying mechanism. The forming mechanism includes a slurry tank, a bottom mold, a pressing mold, a lower driving assembly for driving the bottom mold to move up and down, and an upper driving assembly for driving the pressing mold to move up and down. Heating components are provided on both the bottom mold and the pressing mold. An air extraction assembly is provided on the pressing mold. A transverse moving assembly is provided on the frame. The transverse moving assembly includes a transverse moving rod and two transverse moving blocks provided on the transverse moving rod. The two pressing molds are respectively provided on the two transverse moving blocks. The pressing mold has a forming position aligned with the corresponding bottom mold and a discharge position aligned with the conveying mechanism. A first cleaning assembly and a second cleaning assembly are provided on the side of the pressing mold away from the conveying mechanism. Both the first cleaning assembly and the second cleaning assembly are used to clean the bottom mold when the pressing mold moves.

2. The apparatus according to claim 1, wherein The first cleaning assembly includes a first pipe and a plurality of straight nozzles uniformly arranged on the first pipe, and the second cleaning assembly includes a second pipe and a plurality of rotating nozzles uniformly arranged on the second pipe.

3. A carton paper pulp molding apparatus according to claim 2, wherein The first pipe and the second pipe are arranged side by side, and the second pipe is located between the first pipe and the mold.

4. The apparatus according to claim 2, wherein The rotating nozzle includes a connecting seat, a transfer seat, and a nozzle head. The connecting seat is fixed to the second pipe. The upper end of the transfer seat is threaded to the connecting seat, and its lower end is provided with a ball head. The upper end of the nozzle head is provided with a lower clamping plate. Vertical rods are provided at the four corners of the lower clamping plate. An upper clamping plate is slidably provided on the vertical rods. The upper and lower clamping plates are provided with a matching conical surface on the side facing the ball head. A sealing gasket is provided between the conical surface and the ball head. A locking nut is provided at the top of the vertical rods. A connecting channel is provided inside the connecting seat, the transfer seat, and the nozzle head.

5. A carton paper pulp molding apparatus according to claim 4, wherein The flow channel includes a first channel, a second channel, and a third channel arranged sequentially within the central hub. The diameter of the second channel is larger than that of the first and third channels, and the second channel is spherical with a wider middle and narrower ends.

6. A carton paper pulp molding apparatus according to claim 5, wherein The flow channel also includes a fourth channel and a fifth channel arranged sequentially on the nozzle. The fourth channel is an inverted trapezoid with its upper end larger than that of the third channel, and the diameter of the fifth channel is smaller than that of the outlet of the fourth channel.

7. The apparatus according to claim 1, wherein Both the first cleaning component and the second cleaning component include a third pipe and a plurality of rotating nozzles evenly arranged on the third pipe.

8. The apparatus according to claim 2, wherein The rotating nozzle is adjusted to align with the straight nozzle and the bottom mold cleaning position.

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