Melamine impregnated body paper stacking frame

Abstract

The utility model discloses a melamine impregnated body paper stacking frame which comprises a base, a first lifting assembly, a second lifting assembly and a motor, a dustproof plate is movably connected to the upper portion of the first lifting assembly, dustproof cloth is fixedly installed on the dustproof plate, the bottom of the first lifting assembly is fixedly installed in the base, and the bottom of the second lifting assembly is fixedly installed in the base. The second lifting assembly is fixedly installed in the middle of the base, one end of the motor is connected to one side of the middle of the base, the first lifting assemblies are fixed through the base, the first lifting assemblies are fixed to the two sides of the base, a space is reserved in the middle, and the four corners achieve better supporting, lifting and pressing effects. The movement range of the second lifting assembly is limited, the second lifting assembly and the first lifting assembly can be better matched for use, and the supporting and lifting effects are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stacking racks, in particular to a melamine impregnated base paper stacking rack. Background Art

[0002] The full name of melamine impregnated base paper is melamine impregnated film paper, also known as "melamine" paper. It is a kind of plain base paper or printed decorative paper that has been impregnated with amino resin (melamine formaldehyde resin and urea-formaldehyde resin) and dried to a certain degree. It has a certain resin content and volatile content. It can be glued to each other or to the base material of artificial board after hot pressing. Stacking rack is a rack that can stack items, which is convenient for storing and organizing items.

[0003] To this end, the comparative example with the announcement number CN212557233U proposes a melamine-impregnated base paper stacking rack, which can press and stack the melamine-impregnated base paper.

[0004] The problems with the prior art are: the number of stacking racks that can be stacked is limited, the resource utilization rate is low, it is not suitable for use in factories, and the height cannot be flexibly adjusted according to production needs, which is not practical enough. Therefore, we propose a melamine impregnated base paper stacking rack. Utility Model Content

[0005] The utility model aims to provide a melamine impregnated base paper stacking rack to solve the problems raised in the above background technology.

[0006] The utility model is implemented as follows: a melamine impregnated base paper stacking rack comprises a base, a first lifting assembly, a second lifting assembly and a motor, wherein a dustproof plate is movably connected to the top of the first lifting assembly, a dustproof cloth is fixedly installed on the dustproof plate, the bottom of the first lifting assembly is fixedly installed inside the base, the second lifting assembly is fixedly installed in the middle of the base, and one end of the motor is connected to one side of the middle of the base.

[0007] As a preferred embodiment of the utility model, the first lifting assembly includes a first screw, a first bevel gear, a second bevel gear, a lifting outer column, a lifting inner column, a lifting top plate and a turning handle. The first screw, the first bevel gear, the second bevel gear, the lifting outer column, the lifting inner column and the turning handle are each in two groups. The first screw, the first bevel gear, the second bevel gear, the lifting outer column and the lifting inner column are four in number. The lower end of the lifting inner column is fixedly installed inside the base. The first screw is located inside the lifting inner column and the lifting outer column. The lifting outer column is movably connected to the surface of the lifting inner column. The upper ends of the four lifting outer columns are fixedly connected to the lifting top plate. The dustproof plate is movably installed on the top of the lifting top plate. The upper end of the lifting inner column is fixedly installed with a limiting column.

[0008] As a preferred embodiment of the utility model, a fixed seat is movably provided on the surface of the first screw, and the fixed seat is fixedly installed inside the lifting outer column. The first bevel gear is fixedly connected to the upper end of the first screw, and the first bevel gear is located above the fixed seat. The second bevel gear is movably connected to one side of the first bevel gear. The first bevel gear is meshed with the second bevel gear. The second bevel gear is sleeved on one end of a turning handle, and the turning handle is also sleeved with a fixing ring located above the other side of the first bevel gear. The turning handle is located at the top of the lifting outer column and passes through one side of the lifting outer column.

[0009] As a preferred embodiment of the utility model, a paper pressing plate is fixedly installed on the top surface of the lifting outer column, and an isolation cloth is fixedly installed under the paper pressing plate.

[0010] As a preferred embodiment of the utility model, the second lifting assembly includes a rack, a gear, a first folding plate, a second folding plate, a placement plate, a limit frame and a fixed block, and the rack, gear, the first folding plate, the second folding plate, the placement plate, the limit frame and the fixed block are all in two groups, and grooves are opened in the middle of the front and rear sides of the middle part of the base and the middle of the upper part, and a baffle is provided in the middle of the groove, and the baffle extends to one side of the base, and the rack is fixedly installed inside the base, and the gear is movably connected to the rack, and the gear is meshed with the rack, and a connecting rod is movably installed in the middle of the gear, and the connecting rod runs through both sides of the gear and one end of the first folding plate, and the first folding plate is respectively located at the front and rear sides of the base, and the other end of the first folding plate is movably connected with a connecting shaft, and the first folding plate is movably connected to the bottom of the placement plate through the connecting shaft, and the fixed block is fixedly installed on one side below the placement plate, and the connecting shaft runs through the middle of the fixed block and one end of the first folding plate.

[0011] As a preferred embodiment of the utility model, one end of the second folding plate is fixedly installed in the middle part of one side of the baffle, and the other end of the second folding plate is movably connected to the middle part of the limit frame by bolts. The limit frame is fixedly installed on the other side below the placement plate, and the placement plate is used in conjunction with the isolation cloth and the pressing paper board above, and the first folding plate is connected to the middle part of the second folding plate by bolts.

[0012] As a preferred embodiment of the utility model, the output end of the motor is fixedly connected to a second screw rod, the surface of the second screw rod is movably connected to a connecting outer column through a thread, and the connecting rod passes through both sides of one end of the connecting outer column.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model fixes the first lifting assembly through the base, so that the first lifting assembly is fixed on both sides of the base, leaving space in the middle, and the four corners achieve better support, lifting and pressing effects. The second lifting assembly is fixed in the middle, limiting the range of movement of the second lifting assembly, so that the second lifting assembly can be better coordinated with the first lifting assembly to achieve support and lifting effects.

[0015] 2. The utility model limits the height to which the outer lifting column can be lowered by setting a limit column, thereby limiting the minimum height of the first lifting assembly, preventing the internal structure from colliding and being damaged due to the reduction in the upper and lower distances due to the height being too low, thereby playing a role in controlling a safe and reasonable height. The limit column is provided with a thread inside, which enables the first screw to move up and down through rotational engagement, and can also play a role in positioning the first lifting assembly.

[0016] 3. The utility model can stack melamine-impregnated base paper on the placement board through the setting of the placement board. The placement board can place multiple melamine-impregnated base papers at the same time, and can also be used in conjunction with the pressing paper board above to press and prevent the paper from deforming and scattering, thereby improving work efficiency and achieving a safe placement effect.

[0017] 4. The utility model fixes the paper press respectively by four lifting outer columns, so that the lifting outer columns lift and lower and drive the paper press at the same time, and play a linkage and fixing role with the paper press. The isolation cloth is installed on the paper press, so that when the paper press presses the melamine-impregnated base paper, it will not cause unnecessary damage to the melamine-impregnated base paper due to direct contact, and at the same time reduce the exposure area of ​​the melamine-impregnated base paper to the air, reduce the influence of dust and humidity on the melamine-impregnated base paper, prevent the paper from shifting and scattering due to external reasons, and reduce the probability of deformation of the melamine-impregnated base paper.

[0018] 5. The utility model limits the two ends of the second folding plate respectively through the limit frame and the baffle plate, so that the position of the second folding plate is fixed and the activity space is balanced with the first folding plate, which is convenient for the second folding plate to support the placement plate, so that the first folding plate and the second folding plate can drive the placement plate to move up and down in parallel, achieving a good limiting effect.

[0019] 6. The utility model sets a connecting rod so that the outer column, gear and the first folding plate are at the same height, which is convenient for the consistent movement of the outer column, gear and the first folding plate, improves the coordination, facilitates the movement and lifting of the second folding plate, and achieves a better linkage effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram provided by an embodiment of the utility model;

[0021] Figure 2It is a schematic diagram of the internal structure provided by the embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the descending structure of the first lifting assembly provided in an embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the ascending structure of the first lifting assembly provided in an embodiment of the utility model;

[0024] Figure 5 It is a schematic diagram of the folding structure of the second lifting assembly provided in an embodiment of the utility model.

[0025] Figure 6 This is a schematic diagram of the unfolding structure of the second lifting assembly provided in the embodiment of the utility model

[0026] In the figure: 1. dustproof plate; 2. turning handle; 3. base; 4. first folding plate; 5. second folding plate; 6. baffle; 7. lifting top plate; 8. paper pressing plate; 9. placement plate; 10. lifting outer column; 11. lifting inner column; 12. motor; 101. dustproof cloth; 201. fixing ring; 301. gear; 302. rack; 801. isolation cloth; 901. limiting frame; 902. fixing block; 903. connecting shaft; 1001. fixing seat; 1002. first bevel gear; 1003. second bevel gear; 1101. first screw; 1102. limiting column; 1201. second screw; 1202. connecting outer column; 1203. connecting rod. DETAILED DESCRIPTION

[0027] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0028] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0029] like Figures 1 to 6 As shown, a melamine impregnated base paper stacking rack provided by an embodiment of the utility model includes a base 3, a first lifting assembly, a second lifting assembly and a motor 12, a dustproof plate 1 is movably connected to the top of the first lifting assembly, a dustproof cloth 101 is fixedly installed on the dustproof plate 1, the bottom of the first lifting assembly is fixedly installed inside the base 3, the second lifting assembly is fixedly installed in the middle of the base 3, and one end of the motor 12 is connected to one side of the middle of the base 3.

[0030] The above scheme is adopted: the dustproof cloth 101 is fixed by the dustproof plate 1, so that the dustproof cloth 101 is not easily displaced due to external influences, so that the dustproof cloth 101 achieves a good dustproof effect, and the first lifting component is fixed by the base 3, so that the first lifting component is fixed on both sides of the base 3, leaving space in the middle, and the four corners can achieve better support, lifting and pressing down. The second lifting component is fixed in the middle to limit the range of movement of the second lifting component, so that the second lifting component can be better used in conjunction with the first lifting component to achieve support and lifting effects. The motor 12 is provided to provide power for the second lifting component, so that the second lifting component can be lifted and lowered without manual labor, which is more convenient and saves labor costs.

[0031] refer to Figure 2 , Figure 3 and Figure 4 The first lifting assembly includes a first screw 1101, a first bevel gear 1002, a second bevel gear 1003, a lifting outer column 10, a lifting inner column 11, a lifting top plate and a turning handle 2. The first screw 1101, the first bevel gear 1002, the second bevel gear 1003, the lifting outer column 10, the lifting inner column 11 and the turning handle 2 each have two groups. The first screw 1101, the first bevel gear 1002, the second bevel gear 1003, the lifting outer column 10 and the lifting inner column 11 are four in number. The lower end of the lifting inner column 11 is fixedly installed inside the base 3. The first screw 1101 is located inside the lifting inner column 11 and the lifting outer column 10. The lifting outer column 10 is movably connected to the surface of the lifting inner column 11. The upper ends of the four lifting outer columns 10 are fixedly connected with a lifting top plate 7. The dustproof plate 1 is movably installed on the top of the lifting top plate 7. The upper end of the lifting inner column 11 is fixedly installed with a limiting column 1102.

[0032] By adopting the above scheme: through the setting of the first screw 1101, the lifting inner column 11 and the lifting outer column 10 can cooperate with each other, the lifting inner column 11 limits the lifting outer column 10, and the first screw 1101 drives the lifting outer column 10 to move up and down through the up and down rotation movement, so as to achieve the effect of raising and lowering the lifting outer column 10, and the lifting outer column 10 fixes the lifting top plate 7, and the lifting top plate 7 is movably connected with the dustproof plate 1 above, so that the lifting top plate 7 is fixed in position while supporting the dustproof plate 1 above, and at the same time has a certain dustproof effect on the bottom. During use, the staff can install and remove the dustproof plate 1 as needed to achieve a more flexible use effect. Through the setting of the limit column 1102, the height to which the lifting outer column 10 can be lowered is limited, thereby limiting the minimum height of the first lifting component to prevent the internal structure from colliding due to the reduction of the upper and lower distances due to the height being too low, thereby preventing damage. The limit column 1102 is provided with a thread inside, which can enable the first screw 1101 to move up and down through rotational engagement, and can also play a positioning role for the first lifting component.

[0033] refer to Figure 3 and Figure 4 A fixed seat 1001 is movably sleeved on the surface of the first screw 1101, and the fixed seat 1001 is fixedly installed inside the lifting outer column 10. The first bevel gear 1002 is fixedly connected to the upper end of the first screw 1101, and the first bevel gear 1002 is located above the fixed seat 1001. The second bevel gear 1003 is movably connected to one side of the first bevel gear 1002. The first bevel gear 1002 is meshed with the second bevel gear 1003. The second bevel gear 1003 is sleeved on one end of the rotating handle 2. The rotating handle 2 is also sleeved with a fixed ring 201 located above the other side of the first bevel gear 1002. The rotating handle 2 is located at the top of the lifting outer column 10 and passes through one side of the lifting outer column 10.

[0034] The above scheme is adopted: through the setting of the fixed seat 1001, the position of the top end of the first screw rod 1101 is fixed in the lifting outer column 10, so that the first screw rod 1101 will not lose the connection relationship with the lifting outer column 10 when moving up and down, thereby driving the lifting outer column 10 to move up and down, playing a fixing role, through the setting of the first bevel gear 1002, the second bevel gear 1003 and the handle 2, the rotation of the handle 2 drives the second bevel gear 1003 to rotate, and the second bevel gear 1003 rotates the first bevel gear 1002 through meshing, and the lower end of the first bevel gear 1002 is connected to the first screw rod 1101, thereby rotating the first screw rod 1101, so that the first screw rod 1101 can move up and down, which has a transmission effect, and through the setting of the fixing ring 201, the handle 2 is limited, so that the handle 2 is not easy to be positionally offset during the movement.

[0035] refer to Figure 3 and Figure 4 A paper pressing plate 8 is fixedly installed on the top surface of the lifting outer column 10, and an isolation cloth 801 is fixedly installed below the paper pressing plate 8.

[0036] The above scheme is adopted: the paper pressing paper 8 is fixed respectively by four lifting outer columns 10, so that the lifting outer columns 10 are lifted and lowered and drive the paper pressing paper 8 at the same time, and play a linkage and fixing role with the paper pressing paper 8. The isolation cloth 801 is installed through the paper pressing paper 8, so that when the paper pressing paper 8 presses the melamine-impregnated base paper, it will not cause unnecessary damage to the melamine-impregnated base paper due to direct contact, and at the same time reduce the exposure area of ​​the melamine-impregnated base paper to the air, reduce the influence of dust and humidity on the melamine-impregnated base paper, prevent the paper from shifting and scattering due to external reasons, and reduce the probability of deformation of the melamine-impregnated base paper.

[0037] refer to Figure 5 and Figure 6 The second lifting assembly includes a rack 302, a gear 301, a first folding plate 4, a second folding plate 5, a placement plate 9, a limit frame 901 and a fixed block 902. The rack 302, the gear 301, the first folding plate 4, the second folding plate 5, the placement plate 9, the limit frame 901 and the fixed block 902 are all in two groups. A groove is provided in the middle of the front and rear sides of the middle of the base 3 and in the middle of the upper part. A baffle 6 is provided in the middle of the groove. The baffle 6 extends to one side of the base 3. The rack 302 is fixedly installed inside the base 3. The gear 301 is movably connected to the rack 30 2. The gear 301 is meshed with the rack 302. A connecting rod 1203 is movably installed in the middle of the gear 301. The connecting rod 1203 passes through both sides of the gear 301 and one end of the first folding plate 4. The first folding plate 4 is respectively located on the front and rear sides of the base 3. The other end of the first folding plate 4 is movably connected with a connecting shaft 903. The first folding plate 4 is movably connected to the bottom of the placement plate 9 through the connecting shaft 903. The fixed block 902 is fixedly installed on one side under the placement plate 9. The connecting shaft 903 passes through the fixed block 902 and the middle of one end of the first folding plate 4.

[0038] The above scheme is adopted: the gear 301 and the first folding plate 4 are limited by the baffle 6, which also facilitates the positioning of the first folding plate 4, so that the activity space of the first folding plate 4 and the second folding plate 5 tends to be balanced, reducing the probability of the placement plate 9 being skewed, and playing a limiting role. Through the setting of the gear 301, the rack 302 and the connecting rod 1203, the movement of the first folding plate 4 is controlled to provide conditions for the unfolding and folding of the first folding plate 4, which plays a moving role. Through the setting of the first folding plate 4, the placement plate 9 and the base 3 are connected, which plays a fixing and supporting role for the placement plate 9. Through the setting of the connecting shaft 903 and the fixing block 902, the fixing block 902 fixes the position of the two groups of first folding plates 4 through the connecting shaft 903, which plays a fixing role.

[0039] refer to Figure 5 and Figure 6 One end of the second folding plate 5 is fixedly installed in the middle of one side of the baffle plate 6, and the other end of the second folding plate 5 is movably connected to the middle of the limiting frame 901 through bolts. The limiting frame 901 is fixedly installed on the other side below the placement plate 9. The placement plate 9 is used in conjunction with the isolation cloth 801 and the pressing paper board 8 above. The first folding plate 4 is connected to the middle of the second folding plate 5 by bolts.

[0040] The above-mentioned scheme is adopted: the two ends of the second folding plate 5 are limited respectively by the limit frame 901 and the baffle 6, so that the position of the second folding plate 5 is fixed, and the activity space balance with the first folding plate 4 is achieved, which facilitates the supporting effect of the second folding plate 5 on the placement plate 9, so that the first folding plate 4 and the second folding plate 5 can drive the placement plate 9 to move up and down in parallel, thereby achieving a good limiting effect. Through the setting of the placement plate 9, the melamine-impregnated base paper can be stacked on the placement plate 9. The placement plate 9 can place multiple sheets of melamine-impregnated base paper at the same time, and can also be used in conjunction with the upper pressing paper board 8 for pressing to prevent the paper from deforming and scattering, thereby improving work efficiency and achieving a safe placement effect.

[0041] refer to Figure 5 The output end of the motor 12 is fixedly connected with a second screw rod 1201 , and the surface of the second screw rod 1201 is movably connected with a connecting outer column 1202 through a thread, and the connecting rod 1203 runs through both sides of one end of the connecting outer column 1202 .

[0042] The above scheme is adopted: through the setting of the motor 12, power is output to the second screw rod 1201, driving the second screw rod 1201 to rotate, so that the second screw rod 1201 pushes the connecting outer column 1202, and the connecting outer column 1202 drives the connecting rod 1203 to move, which plays the role of output power. The connecting outer column 1202 is limited by the second screw rod 1201, and the movement path of the connecting outer column 1202 is fixed, so that the connecting outer column 1202 is not easy to be offset and misplaced, thereby reducing the probability of the connecting rod 1203 being unbalanced and causing one side to tilt, achieving a good limiting effect. Through the setting of the connecting rod 1203, the connecting outer column 1202, the gear 301 and the first folding plate 4 are at the same height, which is convenient for the connecting outer column 1202, the gear 301 and the first folding plate 4 to move in unison, improve the coordination, facilitate the movement and lifting of the second folding plate, and achieve a better linkage effect.

[0043] The working principle of this utility model:

[0044] When in use, if it is necessary to place it, when the first lifting assembly and the second lifting assembly are both in the retracted and stacked state, it is necessary to manually rotate the handle 2 first, and the second bevel gear 1003 on the handle 2 rotates the meshing first bevel gear 1002 accordingly, and the first bevel gear 1002 drives the first screw 1101 connected below to rotate, and the first screw 1101 passes through the limiting column and rotates upward, thereby driving the lifting outer column 10 to move upward, and the cardboard pressing paper 8 and the lifting top plate 7 fixedly connected to the lifting outer column 10 move upward together with the dustproof plate 1 above the lifting top plate 7, the isolation cloth 801 moves upward with the cardboard pressing paper 8, and the dustproof cloth 101 moves upward with the dustproof plate 1, so that the first lifting assembly is adjusted to a suitable height, and the melamine-impregnated The impregnated base paper is placed flat on the placement plate 9, and the motor 12 is started. The output end of the motor 12 rotates the second screw 1201, and the second screw 1201 pulls the connecting outer column 1202 through the thread, and the connecting outer column 1202 pulls the connecting rod 1203 to one side. The connecting rod 1203 makes the first folding plate 4 and the gear 301 connected in series move to one side together, and the gear 301 rolls to one side through the engagement with the rack 302. The first folding plate 4 drives the second folding plate 5 through the bolts, and the upper end of the second folding plate 5 slides inside the limit frame 901 through the bolts while the first folding plate 4 moves. The height of the placement plate 9 gradually increases through the movement of the first folding plate 4 and the second folding plate 5 until the surface of the melamine-impregnated base paper contacts the bottom of the isolation cloth 801.

[0045] In summary, the melamine impregnated base paper stacking rack, through the structure of the first lifting component, the second lifting component and the motor, solves the following problems: the stacking rack can be stacked in a limited number of pieces, the resource utilization rate is not high, it is not suitable for use in factories, and the height cannot be flexibly adjusted according to production needs, which makes it not practical enough.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] 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 melamine impregnated base paper stacking rack, comprising a base (3), a first lifting assembly, a second lifting assembly and a motor (12), wherein a dustproof plate (1) is movably connected above the first lifting assembly, and a dustproof cloth (101) is fixedly installed on the dustproof plate (1), characterized in that: The bottom of the first lifting component is fixedly mounted inside the base (3), the second lifting component is fixedly mounted in the middle of the base (3), and one end of the motor (12) is connected to one side of the middle of the base (3).

2. The melamine impregnated base paper stacking rack according to claim 1, characterized in that: The first lifting assembly comprises a first screw rod (1101), a first bevel gear (1002), a second bevel gear (1003), a lifting outer column (10), a lifting inner column (11), a lifting top plate and a rotating handle (2); the first screw rod (1101), the first bevel gear (1002), the second bevel gear (1003), the lifting outer column (10), the lifting inner column (11) and the rotating handle (2) each have two groups; the first screw rod (1101), the first bevel gear (1002), the second bevel gear (1003), the lifting outer column (10), the lifting inner column (11) and the rotating handle (2) each have two groups; There are four outer columns (10) and four lifting inner columns (11). The lower end of the lifting inner column (11) is fixedly installed inside the base (3). The first screw (1101) is located inside the lifting inner column (11) and the lifting outer column (10). The lifting outer column (10) is movably connected to the surface of the lifting inner column (11). The upper ends of the four lifting outer columns (10) are fixedly connected to the lifting top plate (7). The dustproof plate (1) is movably installed on the top of the lifting top plate (7). The upper end of the lifting inner column (11) is fixedly installed with a limiting column (1102).

3. A melamine impregnated base paper stacking rack as claimed in claim 2, characterized in that: A fixed seat (1001) is movably sleeved on the surface of the first screw rod (1101), and the fixed seat (1001) is fixedly installed inside the lifting outer column (10); the first bevel gear (1002) is fixedly connected to the upper end of the first screw rod (1101), and the first bevel gear (1002) is located above the fixed seat (1001); the second bevel gear (1003) is movably connected to one side of the first bevel gear (1002); the first bevel gear (1002) is meshed with the second bevel gear (1003); the second bevel gear (1003) is sleeved on one end of a rotating handle (2); the rotating handle (2) is also sleeved with a fixed ring (201) located above the other side of the first bevel gear (1002); the rotating handle (2) is located at the top of the lifting outer column (10) and passes through one side of the lifting outer column (10).

4. The melamine impregnated base paper stacking rack according to claim 2, characterized in that: A paper pressing plate (8) is fixedly mounted on the top surface of the lifting outer column (10), and an isolation cloth (801) is fixedly mounted below the paper pressing plate (8).

5. The melamine impregnated base paper stacking rack according to claim 1, characterized in that: The second lifting assembly comprises a rack (302), a gear (301), a first folding plate (4), a second folding plate (5), a placement plate (9), a limiting frame (901) and a fixing block (902); the rack (302), the gear (301), the first folding plate (4), the second folding plate (5), the placement plate (9), the limiting frame (901) and the fixing block (902) are each in two groups; a groove is provided in the middle of the front and rear sides of the middle part of the base (3) and in the middle of the upper part; a baffle (6) is provided in the middle part of the groove; the baffle (6) extends to one side of the base (3); the rack (302) is fixedly installed inside the base (3); the gear (301) is movably connected to the rack (3 02), the gear (301) is meshed with the rack (302), a connecting rod (1203) is movably installed in the middle of the gear (301), the connecting rod (1203) passes through both sides of the gear (301) and one end of the first folding plate (4), the first folding plate (4) is respectively located on the front and rear sides of the base (3), the other end of the first folding plate (4) is movably connected with a connecting shaft (903), the first folding plate (4) is movably connected to the bottom of the placement plate (9) through the connecting shaft (903), the fixed block (902) is fixedly installed on one side below the placement plate (9), and the connecting shaft (903) passes through the fixed block (902) and the middle of one end of the first folding plate (4).

6. A melamine impregnated base paper stacking rack as claimed in claim 5, characterized in that: One end of the second folding plate (5) is fixedly mounted on the middle part of one side of the baffle plate (6), and the other end of the second folding plate (5) is movably connected to the middle part of the limiting frame (901) by bolts. The limiting frame (901) is fixedly mounted on the other side below the placement plate (9). The placement plate (9) is used in conjunction with the isolation cloth (801) and the pressing paper (8) above. The first folding plate (4) is connected to the middle part of the second folding plate (5) by bolts.

7. The melamine impregnated base paper stacking rack according to claim 5, characterized in that: The output end of the motor (12) is fixedly connected to a second screw rod (1201), and the surface of the second screw rod (1201) is movably connected to a connecting outer column (1202) via a thread, and the connecting rod (1203) passes through both sides of one end of the connecting outer column (1202).

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