Low-heat-consumption forming device for bottom plate of bamboo container

Abstract

The invention relates to the technical field of container bottom plate forming devices, and particularly discloses a bamboo container bottom plate low-heat-consumption forming device which comprises a lower conveying roller way, an upper conveying roller way and a forming box, the lower conveying roller way and the upper conveying roller way are used for transporting a container plate blank and a bamboo curtain respectively, and the upper conveying roller way is located on the upper side of the lower conveying roller way; a gluing mechanism is mounted on the upper side of the lower conveying roller way; a plurality of pressing units are arranged in the forming box, and the pressing units are used for pressing the container plate blank and the bamboo curtain together; a heating cavity is formed in the forming box, a heating pipe is arranged in the heating cavity, and the heating pipe is connected with a temperature control device. The heating and cooling areas of the internal container plate blank and the bamboo curtain are separated, heat exchange is avoided, heat loss is reduced, meanwhile, the heating and cooling areas are separated, the temperatures of all positions of the forming box shell are roughly the same, and the forming box shell is not prone to being twisted due to uneven stress distribution.

Description

Technical Field

[0001] The invention belongs to the technical field of container bottom plate forming devices, and in particular relates to a low heat consumption forming device for a bamboo-wood container bottom plate. Background Art

[0002] Containers are a group of tools that can carry packaged or unpackaged goods for transportation and are easy to load and unload with mechanical equipment. The greatest success of containers lies in the standardization of their products and the entire transportation system established by them. The ability to standardize a huge object with a load of dozens of tons and gradually realize a logistics system that matches ships, ports, routes, roads, transfer stations, bridges, tunnels, and multimodal transport around the world based on this is indeed one of the great miracles created by mankind in history.

[0003] The bamboo-wood composite container is a new type of container that combines the fast growth characteristics of bamboo and the sturdiness of wood. The composite material made through modern processing technology is used to manufacture the container.

[0004] In a Chinese patent with the publication number CN 110625705 A, a bamboo-wood composite container bottom plate and a manufacturing method thereof are disclosed, which include: dipping the processed bamboo curtains and bamboo mats into the phenolic resin prepared in step b to apply glue, taking them out after applying glue and drying them to make the moisture content of the bamboo curtains and bamboo mats reach 12-16%, coating the phenolic resin on the surface of the processed wood veneer, leaving it to stand for 4-8 hours, assembling the processed bamboo curtains, bamboo mats and wood veneer in the vertical and horizontal directions, hot pressing them, and processing them into finished products through interception and edge milling;

[0005] However, the container bottom plate in the above device is formed by a cold-in and cold-out forming method. In the process of pressing and forming the container bottom plate, the temperature needs to be increased first and then decreased after pressing. The temperature increase and temperature decrease are inside the same device, which leads to the following problems:

[0006] First, the temperature difference inside the device is large, resulting in different temperatures at different locations of the shell inside the device. The stress difference between the shells is large, and the shell of the device is prone to distortion.

[0007] Secondly, when the temperature of the container bottom plate increases and decreases in the same device, the heat energy of the temperature-increasing area and the temperature-decreasing area will be exchanged with each other, and the heat exchange will lead to useless energy loss, resulting in high energy consumption of the equipment, and the exchange of temperature between the two areas will increase the difficulty of controlling the temperature in the two areas. Therefore, this application proposes a low-heat consumption molding device for bamboo and wood container bottom plates. Summary of the invention

[0008] The purpose of the present invention is to provide a low heat consumption forming device for a bamboo-wood container bottom plate to solve the problems raised by the above-mentioned background technology.

[0009] To achieve the above object, the present invention provides the following technical solution: a low heat consumption forming device for bamboo-wood container bottom plate, comprising a lower conveying roller, an upper conveying roller, and a forming box, characterized in that the lower conveying roller and the upper conveying roller are used to transport container plate embryos and bamboo curtains respectively, and the upper conveying roller is located on the upper side of the lower conveying roller;

[0010] A guide plate for providing guidance for bamboo curtain transportation is installed at the upper conveying roller, and the guide plate is installed on the conveying bracket. A glue coating mechanism is installed on the upper side of the lower conveying roller;

[0011] The forming box is provided with a plurality of pressing units, which are used to press the container panel blank and the bamboo curtain together;

[0012] The molding box is provided with a heating chamber, the heating chamber is provided with a heating pipe, and the heating pipe is connected to a temperature control device;

[0013] A plurality of cooling components are installed on the side of the forming box away from the lower conveying roller, and the cooling components are distributed at intervals.

[0014] Preferably, the lower conveying roller includes an upper roller and a lower roller, a gap for moving the container blank is provided between the upper roller and the lower roller, and the upper roller is connected to the lower roller by a first gear and a second gear.

[0015] Preferably, the lower roller is connected to the output shaft of the conveying motor via a flange, the conveying motor is connected to the conveying bracket via a motor bracket, and the upper roller and the lower roller are connected to the conveying bracket via bearings.

[0016] Preferably, the glue coating mechanism is used to evenly apply the glue obtained by mixing the medium-temperature fast-curing phenolic resin and the adhesive on the container board blank, and also includes a pressing roller, which is located on the upper side of the bamboo curtain.

[0017] Preferably, the lamination unit comprises a lower pressing roller and an upper pressing roller, the lower pressing roller is located on the lower side of the container panel blank, and the upper pressing roller is located on the upper side of the bamboo curtain, the lower pressing roller is inserted into the lamination bracket, the lamination bracket is connected to the inner wall of the forming box by bolts, and the upper pressing roller is inserted into the height adjustment block.

[0018] Preferably, the height adjustment block cooperates with the lifting slot in the pressing bracket, a lifting plate is provided on the upper side of the height adjustment block, a height adjustment rod is installed on the top of the lifting plate, the height adjustment rod is connected to the pressing bracket by threads, and a pressing rod is installed on the lower side of the lifting plate.

[0019] Preferably, the pressure rod is inserted into a guide tube connected to the height adjustment block, a compression spring is inserted into the guide tube, and the upper end of the compression spring abuts against the pressure rod.

[0020] Preferably, the heating tube is arranged in a serpentine shape, and the feed port and the discharge port of the forming box are arranged in a narrow mouth shape.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention is provided with a heating chamber inside, and a temperature control device for controlling the temperature is provided in the heating chamber, and the feed port and the discharge port of the molding box are arranged in a narrow shape, so that the temperature loss inside the molding box is small, which can reduce the heat loss. At the same time, a plurality of cooling components are arranged on the outside of the molding box, and the pressed container blanks and bamboo curtains are cooled in sections, that is, the container blanks and bamboo curtains are gradient cooled. Compared with single cooling, the single cooling amplitude of multiple section cooling is smaller, and the energy consumed by multiple section cooling is less than that of single cooling. The heating and cooling areas of the container blanks and the bamboo curtains are separated, so that the heat exchange is avoided and the heat loss is reduced. At the same time, the heating and cooling areas are separated, and the temperature of each part of the molding box shell is substantially the same, which is not easy to be distorted due to uneven stress distribution.

[0023] 2. The pressing unit in the forming box of the present invention comprises a lower pressing roller and an upper pressing roller, which are respectively located below and above the container plate blank and the bamboo curtain, and the two squeeze the container plate blank and the bamboo curtain in the middle, press them together, and cooperate with the heating tube and other components inside the heating chamber to press the container plate blank and the bamboo curtain together; and the height adjustment rod cooperates with the pressing bracket to adjust the height of the lifting plate, and then adjust the distance between the lifting plate and the height adjustment block. The closer the distance between the two is, the greater the deformation of the compression spring is, the greater the pressure of the compression spring on the upper pressing roller is, and the greater the pressure of the upper pressing roller on the container plate blank and the bamboo curtain is, and the height adjustment rod is rotated to adjust the height of the lifting plate, which can adjust the pressure of the upper pressing roller on the container plate blank and the bamboo curtain, so that the above two are tightly connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the low heat consumption forming device for the bottom plate of a bamboo-wood container in the present invention.

[0025] Figure 2 For the present invention Figure 1 Right view of .

[0026] Figure 3 For the present invention Figure 1 Left view of .

[0027] Figure 4 It is a schematic structural diagram of the lower conveying roller and the upper conveying roller in the present invention.

[0028] Figure 5 It is a schematic diagram of the structure of the heating tube in the present invention.

[0029] Figure 6 This is one of the structural schematic diagrams of the pressing unit in the present invention.

[0030] Figure 7 This is the second structural schematic diagram of the pressing unit in the present invention.

[0031] In the figure: 1. lower conveying roller; 101. upper roller; 102. lower roller; 103. conveying motor; 104. conveying bracket; 2. upper conveying roller; 3. guide plate; 4. gluing mechanism; 5. pressing roller; 6. forming box; 601. pressing unit; 6011. lower pressing roller; 6012. upper pressing roller; 6013. height adjustment block; 6014. height adjustment rod; 6015. pressing rod; 6016. compression spring; 602. heating chamber; 603. heating tube; 604. temperature control device; 605. discharge port; 7. cooling component. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Reference Figure 1-Figure 7 A low heat consumption forming device for bamboo-wood container bottom plate comprises a lower conveying roller 1, an upper conveying roller 2 and a forming box 6. The lower conveying roller 1 and the upper conveying roller 2 are used to transport container plate embryos and bamboo curtains respectively, and the upper conveying roller 2 is located on the upper side of the lower conveying roller 1. The lower conveying roller 1 and the upper conveying roller 2 transport container plate embryos and bamboo curtains respectively, and the above two are pressed together in the forming box 6 to form a complete bamboo-wood container bottom plate.

[0034] It should be noted that the lower conveyor roller 1 includes an upper roller 101 and a lower roller 102, a gap for moving container blanks is provided between the upper roller 101 and the lower roller 102, the upper roller 101 and the lower roller 102 are connected by a first gear and a second gear transmission, the lower roller 102 is connected to the output shaft of the conveying motor 103 by a flange, the conveying motor 103 is connected to the conveying bracket 104 by a motor bracket, and the upper roller 101 and the lower roller 102 are connected to the conveying bracket 104 by bearings. The overall structure of the upper conveyor roller 2 is roughly the same as that of the lower conveyor roller 1, except that the materials transported are different. Because the materials transported are different, the gap between the two rollers in the upper conveyor roller 2 is different from the gap between the two rollers in the lower conveyor roller 1.

[0035] The upper conveying roller 2 is located above the lower conveying roller 1. In order to press the container blanks and bamboo curtains transported by the two together, a guide plate 3 is installed on the upper conveying roller 2. The guide plate 3 is installed on the conveying bracket 104. At the same time, a gluing mechanism 4 needs to be installed on the upper side of the lower conveying roller 1. The gluing mechanism 4 is used to evenly apply the glue mixed with the medium-temperature fast-curing phenolic resin and the adhesive on the container blank. It also includes a pressing roller 5. The pressing roller 5 is located on the upper side of the bamboo curtain. The conveying direction of the bamboo curtain is changed by the pressing roller 5 and the guide plate 3 so that it can be combined with the container blank on the lower side.

[0036] The glue applied by the glue coating mechanism 4 is a mixture of medium-temperature fast-curing phenolic resin and adhesive. The adhesive force after curing is strong, so that the bonded container board blank and bamboo curtain are tightly connected and not easy to loosen. The curing temperature of the glue mixed with medium-temperature fast-curing phenolic resin and adhesive is significantly different from the temperature when it is in a fluid state, so it is relatively easy to control.

[0037] Further, such as Figure 4-7 As shown, a plurality of pressing units 601 are arranged in the forming box 6, and the plurality of pressing units 601 are aligned in the direction in which the container blank moves, and the pressing units 601 are used to press the container blank and the bamboo curtain together;

[0038] Specifically, the pressing unit 601 includes a lower pressing roller 6011 and an upper pressing roller 6012. The lower pressing roller 6011 is located at the lower side of the container plate blank, and the upper pressing roller 6012 is located at the upper side of the bamboo curtain. The lower pressing roller 6011 is inserted into the pressing bracket, and the pressing bracket is connected to the inner wall of the forming box 6 by bolts, and the upper pressing roller 6012 is inserted into the height adjustment block 6013, and the height adjustment block 6013 cooperates with the lifting groove in the pressing bracket. A lifting plate is arranged on the upper side of the height adjustment block 6013, and a height adjustment rod 6014 is installed on the top of the lifting plate. The height adjustment rod 6014 is threadedly connected to the pressing bracket, and a pressing rod 6015 is installed on the lower side of the lifting plate. The pressing rod 6015 is inserted into a guide tube connected to the height adjustment block 6013, and a compression spring 6016 is inserted into the guide tube, and the upper end of the compression spring 6016 is against the pressing rod 6015.

[0039] It should be noted that the lower pressing roller 6011 and the upper pressing roller 6012 are respectively located below and above the container panel blank and the bamboo curtain. The two squeeze the container panel blank and the bamboo curtain in the middle and press them together, and cooperate with the heating tube 603 and other components inside the heating chamber 602 to press the container panel blank and the bamboo curtain together.

[0040] The height adjustment rod 6014 cooperates with the pressing bracket to adjust the height of the lifting plate, and then adjusts the distance between the lifting plate and the height adjustment block 6013. The closer the distance between the two is, the greater the deformation of the compression spring 6016, and the greater the pressure exerted on the upper pressing roller 6012. The greater the pressure exerted by the upper pressing roller 6012 on the container plate blank and the bamboo curtain, the height of the lifting plate can be adjusted by turning the height adjustment rod 6014, and the pressure exerted by the upper pressing roller 6012 on the container plate blank and the bamboo curtain can be adjusted, so that the above two are tightly connected.

[0041] Furthermore, a certain high temperature is required when pressing the container blank and the bamboo curtain, so a heating chamber 602 is provided in the molding box 6, and a heating tube 603 is provided in the heating chamber 602. The heating tube 603 is connected to the temperature control device 604, and the temperature control device 604 can control the temperature inside the molding box 6. The heating tube 603 is arranged in a serpentine shape, and the feed port and the discharge port 605 of the molding box 6 are arranged in a narrow shape, that is, the distance between the feed port and the discharge port 605 and the container blank and the bamboo curtain is small, so the temperature loss inside the molding box 6 is small, which can reduce the heat loss and make the internal temperature convenient to control.

[0042] The container blanks and bamboo curtains need to be cooled after pressing, so a plurality of cooling components 7 are installed on the side of the forming box 6 away from the lower conveying roller 1. The plurality of cooling components 7 cool the pressed container blanks and bamboo curtains in sections, that is, gradient cooling is performed on the container blanks and bamboo curtains. Compared with single cooling, the single temperature drop of multiple section cooling is smaller, and the temperature drop rate of the container blanks and bamboo curtains is slower, so that the stress between the pressed container blanks and bamboo curtains can be released in sections, and the formed container bottom plate is not easy to crack, and the output container bottom plate has higher strength. In addition, multiple section cooling consumes less energy than single cooling.

[0043] Working principle:

[0044] The lower conveyor roller 1 and the upper conveyor roller 2 transport the container board blank and the bamboo curtain respectively, and the two are attached together under the action of the guide plate 3, the pressing roller 5 and other components, and enter the molding box 6 together;

[0045] The pressing unit 601 in the forming box 6 includes a lower pressing roller 6011 and an upper pressing roller 6012. The lower pressing roller 6011 and the upper pressing roller 6012 are respectively located below and above the container blank and the bamboo curtain. The two squeeze the container blank and the bamboo curtain in the middle and press them together. In cooperation with the heating tube 603 and other components inside the heating chamber 602, the container blank and the bamboo curtain are pressed together. The pressed container blank and the bamboo curtain pass through multiple cooling components 7 for segmented cooling.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low heat consumption forming device for a bamboo container bottom plate, comprising a lower conveying roller (1), an upper conveying roller (2), and a forming box (6), characterized in that: The lower conveying roller (1) and the upper conveying roller (2) are used to transport container plate blanks and bamboo curtains respectively, and the upper conveying roller (2) is located on the upper side of the lower conveying roller (1); A guide plate (3) for providing guidance for bamboo curtain transportation is installed at the upper conveying roller (2), and the guide plate (3) is installed on the conveying bracket (104). A glue coating mechanism (4) is installed on the upper side of the lower conveying roller (1); The molding box (6) is provided with a plurality of pressing units (601), and the pressing units (601) are used to press the container board blank and the bamboo curtain together; The molding box (6) is provided with a heating chamber (602), the heating chamber (602) is provided with a heating tube (603), and the heating tube (603) is connected to a temperature control device (604); A plurality of cooling components (7) are installed on the side of the molding box (6) away from the lower conveying roller (1), and the cooling components (7) are distributed at intervals.

2. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 1 is characterized in that: The lower conveying roller (1) comprises an upper roller (101) and a lower roller (102), a gap for moving container blanks is provided between the upper roller (101) and the lower roller (102), and the upper roller (101) and the lower roller (102) are connected by a first gear and a second gear.

3. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 2 is characterized in that: The lower roller (102) is connected to the output shaft of the conveying motor (103) via a flange, the conveying motor (103) is connected to the conveying bracket (104) via a motor bracket, and the upper roller (101) and the lower roller (102) are connected to the conveying bracket (104) via bearings.

4. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 1 is characterized in that: The glue coating mechanism (4) is used to evenly apply the glue obtained by mixing the medium-temperature fast-curing phenolic resin and the adhesive on the container blank, and also includes a pressing roller (5), which is located on the upper side of the bamboo curtain.

5. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 1 is characterized in that: The laminating unit (601) comprises a lower pressing roller (6011) and an upper pressing roller (6012), wherein the lower pressing roller (6011) is located at the lower side of the container plate blank, and the upper pressing roller (6012) is located at the upper side of the bamboo curtain, the lower pressing roller (6011) is inserted into a laminating bracket, the laminating bracket is connected to the inner wall of the forming box (6) by bolts, and the upper pressing roller (6012) is inserted into a height adjustment block (6013).

6. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 5 is characterized in that: The height adjustment block (6013) cooperates with the lifting slot in the pressing bracket. A lifting plate is arranged on the upper side of the height adjustment block (6013). A height adjustment rod (6014) is installed on the top of the lifting plate. The height adjustment rod (6014) is connected to the pressing bracket through threads. A pressing rod (6015) is installed on the lower side of the lifting plate.

7. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 6 is characterized in that: The pressure rod (6015) is inserted into a guide tube connected to the height adjustment block (6013), a compression spring (6016) is inserted into the guide tube, and the upper end of the compression spring (6016) is against the pressure rod (6015).

8. The low heat consumption forming device for bamboo-wood container bottom plate according to claim 1 is characterized in that: The heating tube (603) is configured in a serpentine shape, and the feed port and the discharge port (605) of the molding box (6) are configured in a narrow mouth shape.

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