A device and method for preparing an ink-free and easily absorbable PCR material packaging box

Abstract

The present invention discloses a device and method for preparing an ink-free, easily absorbable PCR material packaging box, belonging to the field of packaging box production. The device comprises a frame, wherein two side panels are symmetrically fixedly mounted on the top of the frame, and a top panel is fixedly mounted on the top of the two side panels. The device is used to stamp the packaging box and complete the production of the packaging box by setting a cylinder, a mounting plate, a stamping part, and a mold. Furthermore, the device cooperates with an L-shaped rack, a circular gear plate, a rotating rod, a support block, a worm, a worm wheel, a rotating shaft, a support bar, and a fan-shaped gear plate. When the cylinder drives the mounting plate and the stamping part to move downward, the positioning mechanism can be driven to operate together. The rectangular rack, connecting bar, sliding rod, connecting plate, telescopic sleeve, clamping plate, and compression spring can be used to fix the packaging box, thereby preventing the packaging box from shifting during stamping. Furthermore, no manual support is required, and the device is highly safe.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging box production, and in particular to a device and method for preparing an ink-free and easily absorbable PCR material packaging box. Background Art

[0002] PCR material is the plastic produced after circulation, consumption and use. The plastic produced through sorting, processing, cleaning and production is called post-consumer plastic. It is often used in the field of packaging boxes. It is an environmental protection project mainly to promote the recycling of resources and reduce carbon emissions. At present, PCR material packaging boxes usually use specially designed microstructures to produce color and contrast contrast, which can completely or partially replace ink printing to display the information of the packaged goods, and realize the production method of green and environmentally friendly ink-free printing packaging. This production method has the advantages of no ink, easy absorption and environmental protection. In the preparation process of this type of PCR material packaging box, a stamping device is required to stamp the box body to complete the production work.

[0003] Traditional stamping devices usually consist of a cylinder, a stamping part, and a mold. The cylinder drives the stamping part downward to stamp the PCR material packaging box. However, during the stamping process of this type of stamping device, when the size of the packaging box and the mold does not match, the packaging box is prone to shifting or deviation, which leads to an increase in the defective rate and affects the production quality of the packaging box. In addition, dust and debris generated during stamping are also prone to accumulate on the workbench, which will also have a certain impact on the preparation effect.

[0004] To this end, we proposed a device and method for preparing an ink-free and easily absorbable PCR material packaging box. Summary of the Invention

[0005] The purpose of the present invention is to solve the problem in the prior art that, during the stamping process of the stamping device, when the size of the packaging box does not match that of the mold, the packaging box is prone to shift or deviation, which leads to an increase in the defective rate and affects the production quality of the packaging box. Moreover, the dust and debris generated during the stamping are also prone to accumulate on the workbench, which will also have a certain impact on the preparation effect. A device and method for preparing an ink-free and easily absorbable PCR material packaging box are proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A device for preparing an ink-free and easily absorbable PCR material packaging box includes a frame, two side panels are symmetrically fixedly installed on the top of the frame, a top panel is fixedly installed on the top of the two side panels, a cylinder is fixedly installed on the top of the top panel, a mounting plate is fixedly installed on the bottom end of the cylinder extension rod, a stamping part is fixedly installed on the bottom of the mounting plate, a mold is fixedly installed on the top of the frame, and the mold is located directly below the stamping part. Two positioning mechanisms for clamping the packaging box are linked to the top of the frame through a connecting assembly, and the two positioning mechanisms are symmetrically arranged. A blower mechanism for blowing off debris is also installed on the top of the frame.

[0008] Preferably, the connecting assembly includes an L-shaped rack fixedly mounted on one side of the back of the mounting plate, the outer surface of the L-shaped rack is meshedly connected to a circular gear plate, a rotating rod is fixedly mounted at the axis of the circular gear plate, two support blocks are symmetrically fixedly mounted on the top of the frame, the rotating rod is rotatably connected to the two support blocks through a bearing, worms are welded at both ends of the rotating rod, the outer surfaces of the worms are meshedly connected to a worm wheel, a rotating shaft is fixedly mounted at the axis of the worm wheel, two support bars are symmetrically fixedly mounted on the top of the frame, the rotating shaft is rotatably connected to the two support bars through a bearing, and a fan-shaped gear plate is fixedly mounted on the outer surface of the rotating shaft.

[0009] Preferably, the positioning mechanism includes a rectangular rack meshingly connected to the outer surface of the fan-shaped gear plate, a connecting strip is fixedly installed at one end of the rectangular rack close to the mold, two sliding rods are symmetrically fixedly installed at one end of the connecting strip, and the sliding rods slide through adjacent side walls of the mold, a connecting plate is fixedly installed at one end of the sliding rod, four telescopic sleeve rods are symmetrically fixedly installed on one side of the connecting plate, a clamping plate is fixedly installed at one end of the telescopic sleeve rod, and compression springs are sleeved on the outer surfaces of the telescopic sleeve rods, and the two ends of the compression springs are respectively fixedly connected to the connecting plate and the clamping plate.

[0010] Preferably, the hair drying mechanism includes a base fixedly mounted on the top of the frame, an air pump fixedly mounted on the top of the base, a tee pipe fixedly mounted on the air outlet end of the air pump, the air outlets at both ends of the tee pipe are connected to hoses, two mounting blocks are symmetrically fixedly mounted on the top of the mounting plate, an air blower is fixedly mounted on the middle of the mounting blocks, and the other end of the hose is connected to the corresponding air blower.

[0011] Preferably, a protective net is fixedly installed in each of the side panels.

[0012] Preferably, four limiting rods are symmetrically fixed between the frame and the top plate, and the mounting plate slides on the outer surfaces of the four limiting rods.

[0013] Preferably, the meshing directions of the two worms and the worm wheel are opposite.

[0014] A method for preparing an ink-free and easily absorbable PCR material packaging box preparation device comprises the following steps:

[0015] Step A: Placement: Place the packaging box to be stamped in the mold so that the position of the packaging box corresponds to the position of the stamping part, and start the cylinder. The cylinder drives the mounting plate to move downward, causing the stamping part to move downward with it. The stamping part moves downward to stamp the packaging box on the lower side, completing the production work;

[0016] Step B: Linkage: When the mounting plate moves downward, it drives the L-shaped rack to move downward together. Since the L-shaped rack is in meshing connection with the circular gear plate, the circular gear plate is driven to rotate. The rotation of the circular gear plate drives the rotating rod and the worm to rotate. The support block is provided to support the rotating rod, making the rotation of the rotating rod more stable. Since the meshing directions between the two worms and the worm wheels are opposite, when the worm rotates, it drives the two worm wheels to rotate in the opposite direction, causing the rotating shaft and the sector gear plate to rotate in the opposite direction. The rotation of the sector gear plate drives the two sector gear plates to rotate in the opposite direction.

[0017] Step C: Clamping: When the two sector gear plates rotate in opposite directions, due to the meshing connection between the sector gear plates and the rectangular racks, the two rectangular racks will be driven to move toward the mold together. Through the connection of the connecting strip, the slide bar will be driven to slide toward the middle on the inner wall of the mold, driving the connecting plate and the clamping plate to move toward the middle together. The two clamping plates are used to clamp the packaging box to prevent it from moving.

[0018] Compared with the prior art, the present invention provides a device and method for preparing an ink-free and easily absorbable PCR material packaging box, which has the following beneficial effects:

[0019] 1. The device and method for preparing a packaging box for ink-free and easily absorbable PCR materials use a cylinder, a mounting plate, a stamping part, and a mold to stamp the packaging box and complete the production of the packaging box. The L-shaped rack, the circular gear plate, the rotating rod, the support block, the worm, the worm wheel, the rotating shaft, the support bar, and the fan-shaped gear plate cooperate with each other. When the cylinder drives the mounting plate and the stamping part to move downward, the positioning mechanism can be driven to operate together. The rectangular rack, the connecting bar, the sliding rod, the connecting plate, the telescopic sleeve, the clamping plate, and the compression spring can be used to fix the packaging box to avoid displacement during stamping. At the same time, no manual support is required, and the safety is strong. Moreover, the operation of the stamping part and the positioning mechanism can be started by a single driving source, the cylinder. The linkage between the mechanisms is strong, the number of driving sources is reduced, and there is no need for separate starting, which reduces the starting time.

[0020] 2. The ink-free and easily absorbable PCR material packaging box preparation device and preparation method, through the mutual cooperation between the base, air pump, T-tube, hose, mounting block, and air blower, when the cylinder drives the mounting plate and the stamping part to punch the packaging box, the air blower can be driven to move together, and the wind generated by the air pump is blown out from the air blower to blow off the dust or debris on the frame, thereby preventing dust or debris from falling on the workbench and affecting the defective rate, thereby further ensuring the preparation effect.

[0021] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. When the cylinder drives the mounting plate and the stamping part to stamp the packaging box, the positioning mechanism on the frame is driven to position the packaging box through the linkage action of the connecting component, thereby avoiding the displacement of the packaging box during stamping. At the same time, when the stamping part moves downward, air is blown through the air blowing mechanism to blow off the dust or debris accumulated on the frame, thereby avoiding dust or debris falling on the workbench and affecting the defective rate, thereby further ensuring the preparation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a device for preparing an ink-free and easily absorbable PCR material packaging box proposed by the present invention from a main perspective;

[0023] Figure 2 This is a schematic diagram of the structure of an ink-free and easily absorbable PCR material packaging box preparation device proposed by the present invention from a front view;

[0024] Figure 3 This is a schematic side view of the structure of a device for preparing an ink-free and easily absorbable PCR material packaging box proposed by the present invention;

[0025] Figure 4 This is a schematic diagram of the rear view of the structure of the device for preparing an ink-free and easily absorbable PCR material packaging box proposed by the present invention;

[0026] Figure 5 This is a schematic diagram of the connection component structure of a device for preparing an ink-free and easily absorbable PCR material packaging box proposed by the present invention;

[0027] Figure 6 The present invention proposes a device for preparing a packaging box for PCR materials without ink and easily absorbed Figure 4 A schematic diagram of the structure at center A;

[0028] Figure 7 This is a schematic diagram of the structural connection relationship between the connecting components and the positioning mechanism of the ink-free and easily absorbable PCR material packaging box preparation device proposed by the present invention;

[0029] Figure 8This is a schematic diagram of the positioning mechanism structure of an ink-free and easily absorbable PCR material packaging box preparation device proposed by the present invention;

[0030] Figure 9 This is a schematic diagram of the blower mechanism structure of an ink-free and easily absorbable PCR material packaging box preparation device proposed by the present invention.

[0031] In the figure: 1. frame; 2. side panel; 3. top panel; 4. cylinder; 5. mounting plate; 6. stamping part; 7. mold; 8. connecting assembly; 801. L-shaped rack; 802. circular gear plate; 803. rotating rod; 804. supporting block; 805. worm; 806. worm gear; 807. rotating shaft; 808. supporting bar; 809. fan-shaped gear plate; 9. positioning mechanism; 901. rectangular rack; 902. connecting bar; 903. sliding rod; 904. connecting plate; 905. telescopic sleeve; 906. clamping plate; 907. compression spring; 10. blowing mechanism; 1001. base; 1002. air pump; 1003. tee pipe; 1004. hose; 1005. mounting block; 1006. blower; 11. protective net; 12. limit rod. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0034] Example 1:

[0035] Reference Figures 1-9, a device for preparing an ink-free and easily absorbable PCR material packaging box, comprising a frame 1, two side panels 2 are symmetrically fixedly installed on the top of the frame 1, a top panel 3 is fixedly installed on the top of the two side panels 2, a cylinder 4 is fixedly installed on the top of the top panel 3, a mounting plate 5 is fixedly installed on the bottom end of the extension rod of the cylinder 4, a stamping part 6 is fixedly installed on the bottom of the mounting plate 5, a mold 7 is fixedly installed on the top of the frame 1, and the mold 7 is located directly below the stamping part 6, and two positioning mechanisms 9 for clamping the packaging box are linked to the top of the frame 1 through a connecting component 8, and the two positioning mechanisms 9 are symmetrically arranged. A blower mechanism 10 for blowing off debris is also installed on the top of the frame 1, and the connecting component 8 includes an L-shaped rack 801 fixedly installed on one side of the back of the mounting plate 5, and the outer surface of the L-shaped rack 801 is meshedly connected with a circular gear plate 8 02. A rotating rod 803 is fixedly installed at the axis of the circular gear disk 802. Two support blocks 804 are symmetrically fixedly installed on the top of the frame 1. The rotating rod 803 is rotatably connected to the two support blocks 804 through bearings. Worm gears 805 are welded at both ends of the rotating rod 803. The outer surfaces of the worm gears 805 are meshed with worm wheels 806. A rotating shaft 807 is fixedly installed at the axis of the worm wheel 806. Two support bars 808 are symmetrically fixedly installed on the top of the frame 1. The rotating shaft 807 is rotatably connected to the two support bars 808 through bearings. A fan-shaped gear disk 809 is fixedly installed on the outer surface of the rotating shaft 807. Four limit rods 12 are symmetrically fixed between the frame 1 and the top plate 3. The mounting plate 5 slides on the outer surfaces of the four limit rods 12. The meshing directions of the two worm gears 805 and the worm wheel 806 are opposite.

[0036] In the present invention, when the preparation device is in use, the packaging box to be punched is placed in the mold 7, so that the position of the packaging box corresponds to the position of the punching part 6, and the cylinder 4 is started. The cylinder 4 drives the mounting plate 5 to move downward on the outer surface of the limiting rod 12, so that the punching part 6 moves downward together. The punching part 6 moves downward to punch the packaging box located on the lower side to complete the production work. The setting of the limiting rod 12 limits the mounting plate 5, making the lifting of the mounting plate 5 more stable. At the same time, when the mounting plate 5 moves downward, it will drive the L-shaped rack 801 to move downward together. Since the L-shaped rack 801 is in a meshing connection relationship with the circular gear plate 802, the circular gear plate 802 is driven to rotate. The rotation of the shaft 803 and the worm 805 drives the rotation of the shaft 803. The support block 804 is provided to support the shaft 803, so that the rotation of the shaft 803 is more stable. Since the meshing directions between the two worms 805 and the worm wheels 806 are opposite, when the worm 805 rotates, it drives the two worm wheels 806 to rotate in the opposite direction, so that the shaft 807 and the fan-shaped gear plate 809 rotate in the opposite direction. The rotation of the fan-shaped gear plate 809 drives the positioning mechanism 9 to operate. Through the linkage effect of the connecting component 8, the operation of the stamping part 6 and the positioning mechanism 9 can be started by the cylinder 4 as a driving source, thereby enhancing the linkage between the mechanisms and reducing the number of driving sources. At the same time, there is no need for separate start-up, which reduces the start-up time.

[0037] Example 2:

[0038] Reference Figures 1-9A device for preparing a packaging box for PCR materials that is easy to absorb without ink comprises a frame 1. Two side panels 2 are symmetrically fixedly mounted on the top of the frame 1. A top panel 3 is fixedly mounted on the top of the two side panels 2. A cylinder 4 is fixedly mounted on the top of the top panel 3. A mounting plate 5 is fixedly mounted on the bottom end of the extension rod of the cylinder 4. A stamping part 6 is fixedly mounted on the bottom of the mounting plate 5. A mold 7 is fixedly mounted on the top of the frame 1. The mold 7 is located directly below the stamping part 6. Two positioning machines for clamping the packaging box are linked to the top of the frame 1 through a connecting assembly 8. Structure 9, the two positioning mechanisms 9 are symmetrically arranged, and a blower mechanism 10 for blowing off debris is also installed on the top of the frame 1. The connecting assembly 8 includes an L-shaped rack 801 fixedly mounted on one side of the back of the mounting plate 5. The outer surface of the L-shaped rack 801 is engaged with a circular gear plate 802. A rotating rod 803 is fixedly installed at the axis of the circular gear plate 802. Two support blocks 804 are symmetrically fixedly installed on the top of the frame 1. The rotating rod 803 is rotatably connected to the two support blocks 804 through bearings. Both ends of the rotating rod 803 are welded. The worm 805 is connected to the outer surface of the worm 805, and the outer surface of the worm 805 is meshed with a worm wheel 806. The axis of the worm wheel 806 is fixedly installed with a rotating shaft 807. Two support bars 808 are symmetrically fixedly installed on the top of the frame 1. The rotating shaft 807 is rotatably connected to the two support bars 808 through a bearing. The outer surface of the rotating shaft 807 is fixedly installed with a fan-shaped gear plate 809. The positioning mechanism 9 includes a rectangular rack 901 meshed with the outer surface of the fan-shaped gear plate 809. The end of the rectangular rack 901 close to the mold 7 is fixedly installed with a connecting rod. Connecting strip 902, one end of the connecting strip 902 is symmetrically fixedly installed with two sliding rods 903, and the sliding rods 903 slide through the adjacent side walls of the mold 7, and one end of the sliding rod 903 is fixedly installed with a connecting plate 904, and one side of the connecting plate 904 is symmetrically fixedly installed with four telescopic sleeves 905, and one end of the telescopic sleeve 905 is fixedly installed with a clamping plate 906, and the outer surface of the telescopic sleeve 905 is sleeved with a compression spring 907, and the two ends of the compression spring 907 are respectively fixedly connected to the connecting plate 904 and the clamping plate 906.

[0039] In the present invention, when the two fan-shaped gear plates 809 rotate in opposite directions, due to the meshing connection relationship between the fan-shaped gear plates 809 and the rectangular rack 901, the two rectangular racks 901 will be driven to move together in the direction of the mold 7. Through the connection effect of the connecting bar 902, the sliding rod 903 is driven to slide toward the middle on the inner wall of the mold 7, driving the connecting plate 904 and the clamping plate 906 to move toward the middle together. The two clamping plates 906 are used to clamp the packaging box to prevent the packaging box from shifting. At the same time, no manual support is required, and the safety is relatively strong. When the clamping plate 906 contacts the packaging box, it will drive the telescopic sleeve 905 to retract and retract, which can compress the compression spring 907. Through the setting of the telescopic sleeve 905 and the compression spring 907, after the packaging box is limited, the cylinder 4 can also drive the stamping part 6 to move downward a certain distance, so that it can better stamp the packaging box and enhance production quality.

[0040] Example 3:

[0041] Reference Figures 1-9 A device for preparing a packaging box for PCR materials that is easy to absorb without ink includes a frame 1. Two side panels 2 are symmetrically fixedly installed on the top of the frame 1. A top panel 3 is fixedly installed on the top of the two side panels 2. A cylinder 4 is fixedly installed on the top of the top panel 3. A mounting plate 5 is fixedly installed on the bottom end of the extension rod of the cylinder 4. A stamping part 6 is fixedly installed on the bottom of the mounting plate 5. A mold 7 is fixedly installed on the top of the frame 1. The mold 7 is located directly below the stamping part 6. Two positioning mechanisms 9 for clamping the packaging box are linked to the top of the frame 1 through a connecting component 8. The two positioning mechanisms 9 are symmetrically arranged. A useful The hair dryer mechanism 10 is used to blow away debris. The hair dryer mechanism 10 includes a base 1001 fixedly mounted on the top of the frame 1, an air pump 1002 fixedly mounted on the top of the base 1001, a three-way pipe 1003 fixedly mounted on the air outlet end of the air pump 1002, and hoses 1004 are connected to the air outlets at both ends of the three-way pipe 1003. Two mounting blocks 1005 are symmetrically fixedly mounted on the top of the mounting plate 5, an air cylinder 1006 is fixedly mounted in the middle of the mounting blocks 1005, and the other ends of the hoses 1004 are connected to the corresponding air cylinders 1006. A protective net 11 is fixedly mounted inside the side panels 2.

[0042] The air pump 1002 is started at the same time during stamping, and the wind generated by the air pump 1002 enters the three-way pipe 1003 and is blown out from the hose 1004 and the blow cylinder 1006. When the cylinder 4 drives the mounting plate 5 and the stamping part 6 to move downward to stamp the packaging box, the blow cylinder 1006 can be driven to move downward together, and the wind generated by the air pump 1002 is blown out from the blow cylinder 1006, which can blow off the dust or debris on the frame 1, and prevent the dust or debris from falling on the workbench and affecting the defective rate, thereby further ensuring the preparation effect. Through the setting of the three-way pipe 1003, the wind blown by the air pump 1002 can be evenly blown out from the two blow cylinders 1006, avoiding uneven air outlet on both sides and reducing the effect of debris cleaning. Moreover, through the soft elasticity of the hose 1004, it can avoid affecting the lifting and lowering of the mounting plate 5 and the stamping part 6, thereby enhancing the use effect. Through the setting of the protective net 11, the debris can be properly blocked to enhance safety.

[0043] A method for preparing an ink-free and easily absorbable PCR material packaging box preparation device comprises the following steps:

[0044] Step A: Placement: Place the packaging box to be punched in the mold 7 so that the position of the packaging box corresponds to the position of the punching part 6, and start the cylinder 4. The cylinder 4 drives the mounting plate 5 to move downward, causing the punching part 6 to move downward with it. The punching part 6 moves downward to punch the packaging box on the lower side, completing the production work;

[0045] Step B: Linkage: When the mounting plate 5 moves downward, it drives the L-shaped rack 801 to move downward together. Since the L-shaped rack 801 is in meshing connection with the circular gear plate 802, the circular gear plate 802 is driven to rotate. The rotation of the circular gear plate 802 drives the rotating rod 803 and the worm 805 to rotate. The support block 804 is provided to support the rotating rod 803, so that the rotation of the rotating rod 803 is more stable. Since the meshing directions between the two worm gears 805 and the worm wheel 806 are opposite, when the worm gear 805 rotates, it drives the two worm wheels 806 to rotate in the opposite direction, so that the rotating shaft 807 and the sector gear plate 809 are rotated in the opposite direction. Through the rotation of the sector gear plate 809, the two sector gear plates 809 are driven to rotate in the opposite direction.

[0046] Step C: Clamping: When the two sector gear plates 809 rotate in opposite directions, due to the meshing connection between the sector gear plates 809 and the rectangular rack 901, the two rectangular racks 901 will be driven to move together toward the mold 7, and through the connecting action of the connecting bar 902, the slide bar 903 will be driven to slide toward the middle on the inner wall of the mold 7, driving the connecting plate 904 and the clamping plate 906 to move toward the middle together, and the two clamping plates 906 are used to clamp the packaging box to prevent the packaging box from moving.

[0047] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A device for preparing an ink-free and easily absorbable PCR material packaging box, comprising a frame (1), characterized in that: Two side panels (2) are symmetrically fixedly mounted on the top of the frame (1), a top panel (3) is fixedly mounted on the top of the two side panels (2), a cylinder (4) is fixedly mounted on the top of the top panel (3), a mounting plate (5) is fixedly mounted on the bottom end of the extension rod of the cylinder (4), a stamping part (6) is fixedly mounted on the bottom of the mounting plate (5), a mold (7) is fixedly mounted on the top of the frame (1), and the mold (7) is located directly below the stamping part (6), and two positioning mechanisms (9) for clamping the packaging box are linked to the top of the frame (1) through a connecting assembly (8), and the two positioning mechanisms (9) are symmetrically arranged. A blower mechanism (10) for blowing off debris is also mounted on the top of the frame (1); The connecting assembly (8) includes an L-shaped rack (801) fixedly mounted on one side of the back of the mounting plate (5); the outer surface of the L-shaped rack (801) is meshedly connected to a circular gear plate (802); a rotating rod (803) is fixedly mounted at the axis of the circular gear plate (802); two support blocks (804) are symmetrically fixedly mounted on the top of the frame (1); the rotating rod (803) is rotatably connected to the two support blocks (804) via bearings; worms (805) are welded to both ends of the rotating rod (803); the outer surfaces of the worms (805) are meshedly connected to worm wheels (806); a rotating shaft (807) is fixedly mounted at the axis of the worm wheels (806); two support bars (808) are symmetrically fixedly mounted on the top of the frame (1); the rotating shaft (807) is rotatably connected to the two support bars (808) via bearings; and a sector gear plate (809) is fixedly mounted on the outer surface of the rotating shaft (807); The positioning mechanism (9) includes a rectangular rack (901) meshedly connected to the outer surface of the fan-shaped gear plate (809), a connecting strip (902) fixedly installed at one end of the rectangular rack (901) close to the mold (7), two slide bars (903) symmetrically fixedly installed at one end of the connecting strip (902), and the slide bars (903) slide through adjacent side walls of the mold (7), a connecting plate (904) fixedly installed at one end of the slide bar (903), four telescopic sleeve rods (905) symmetrically fixedly installed on one side of the connecting plate (904), a clamping plate (906) fixedly installed at one end of the telescopic sleeve rod (905), and a compression spring (907) sleeved on the outer surface of the telescopic sleeve rod (905), and the two ends of the compression spring (907) are respectively fixedly connected to the connecting plate (904) and the clamping plate (906).

2. The device for preparing an ink-free and easily absorbable PCR material packaging box according to claim 1, characterized in that: The hair dryer mechanism (10) comprises a base (1001) fixedly mounted on the top of the frame (1); an air pump (1002) is fixedly mounted on the top of the base (1001); a three-way pipe (1003) is fixedly mounted on the air outlet end of the air pump (1002); air outlets at both ends of the three-way pipe (1003) are connected to hoses (1004); two mounting blocks (1005) are symmetrically fixedly mounted on the top of the mounting plate (5); a blow tube (1006) is fixedly mounted in the middle of each mounting block (1005); and the other end of each hose (1004) is connected to the corresponding blow tube (1006).

3. The device for preparing an ink-free and easily absorbable PCR material packaging box according to claim 1, characterized in that: A protective net (11) is fixedly installed inside each of the side panels (2).

4. The device for preparing an ink-free and easily absorbable PCR material packaging box according to claim 1, characterized in that: Four limiting rods (12) are symmetrically fixed between the frame (1) and the top plate (3), and the mounting plate (5) slides on the outer surfaces of the four limiting rods (12).

5. The device for preparing an ink-free and easily absorbable PCR material packaging box according to claim 1, characterized in that: The meshing directions of the two worms (805) and the worm wheel (806) are opposite.

6. The method for preparing an ink-free and easily absorbable PCR material packaging box according to claim 1, characterized in that: The following steps are involved: Step A: Placement: Place the packaging box to be punched in the mold (7) so that the packaging box is aligned with the punching part (6), and start the cylinder (4). The cylinder (4) drives the mounting plate (5) to move downward, causing the punching part (6) to move downward together. The punching part (6) moves downward to punch the packaging box located at the lower side, completing the production work; Step B: linkage: when the mounting plate (5) moves downward, it drives the L-shaped rack (801) to move downward together. Since the L-shaped rack (801) and the circular gear plate (802) are in meshing connection, the circular gear plate (802) is driven to rotate. The rotation of the circular gear plate (802) drives the rotating rod (803) and the worm (805) to rotate. The support block (804) is provided to support the rotating rod (803) so that the rotation of the rotating rod (803) is more stable. Since the meshing directions between the two worms (805) and the worm wheel (806) are opposite, when the worm (805) rotates, it drives the two worm wheels (806) to rotate in the opposite direction, so that the rotating shaft (807) and the sector gear plate (809) rotate in the opposite direction. Through the rotation of the sector gear plate (809), the two sector gear plates (809) are driven to rotate in the opposite direction. Step C: Clamping: When the two sector gear plates (809) rotate in opposite directions, the sector gear plates (809) and the rectangular racks (901) are in meshing connection, which drives the two rectangular racks (901) to move together toward the mold (7). Through the connecting action of the connecting bar (902), the slide bar (903) is driven to slide toward the middle of the inner wall of the mold (7), driving the connecting plate (904) and the clamping plate (906) to move toward the middle together. The two clamping plates (906) are used to clamp the packaging box to prevent the packaging box from moving.

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