Waste paper baling press

Abstract

The application discloses a waste paper packing machine and belongs to the technical field of environmental protection machines. The waste paper packing machine is used for solving the problem that the compression cavity side wall of the waste paper packing machine is closely combined with waste paper, which causes difficulty in taking the compressed product for workers. The technical scheme is as follows: the waste paper packing machine comprises a machine body and a hydraulic device, a packing cavity is formed in the machine body, a pressing plate which is in transmission connection with the hydraulic device is slidably arranged in the packing cavity, and a door for opening the packing cavity is arranged on the machine body. In the process of compressing the material by the pressing plate, the moving plate two and the moving plate one are first moved to the inside of the packing cavity, so that the material is pre-pressed. After the material is pressed by the pressing plate, the moving plate two and the moving plate one are reset, so that a gap is formed between the moving plate two, the moving plate one and the material product, the taking resistance caused by the close combination is eliminated, and the taking convenience of the workers is improved.

Description

Technical Field

[0001] This invention relates to the field of environmental protection machinery technology, and more specifically, to waste paper balers. Background Technology

[0002] In the production processes of paper embossing, cutting, and packaging, a large amount of waste cardboard boxes and paperboard are generated. If this waste paper is not properly collected, it will not only waste resources but also occupy a lot of storage space. Currently, waste paper collection is usually carried out by manual collection or waste paper baling machines. The role of waste paper balers is to compress waste paper and similar materials tightly under normal conditions and then pack them into shape with special packaging straps, so as to significantly reduce the volume of materials, thereby reducing transportation costs and improving the efficiency of enterprises.

[0003] However, in existing waste paper balers, the pressure plate squeezes the paper during compression, causing it to spread outwards and resulting in the baler's compression chamber walls being tightly adhered to the paper. The resistance between the finished product and the baler's walls can reach 30-50N, requiring workers to take an average of 15-20 seconds to handle a single piece, which is 2-3 times longer than this proposed solution. Furthermore, due to the forced pulling, the breakage rate of the finished product is approximately 8%-12%, leading to secondary resource waste.

[0004] Therefore, a new solution is needed to address this problem. Summary of the Invention

[0005] The purpose of this invention is to overcome the defects of existing waste paper balers, such as "the compressed finished product is tightly attached to the side wall of the baling cavity, making it difficult to pick up", and to provide a waste paper baler that optimizes the internal structure of the baling cavity and the timing of component actions to create a gap between the compressed finished product and the side wall of the baling cavity, thereby eliminating the resistance to picking up and improving the convenience of operation for workers.

[0006] This invention achieves the above-mentioned objective through the following technical solution: a waste paper baler, comprising a machine body and a hydraulic device, wherein a baling cavity is provided inside the machine body, and a pressure plate slidably mounted inside the baling cavity and drivenly connected to the hydraulic device is provided in the baling cavity; the machine body is also provided with a door for opening and closing the baling cavity, characterized in that:

[0007] The baling cavity is slidably fitted with a movable plate for attaching waste paper, and the baling cavity is also provided with a transmission part, which is used for the transmission connection between the movable plate and the pressure plate, so that when the pressure plate is pressed down, it drives the movable plate to move into the baling cavity, and when the pressure plate is moved up, it drives the movable plate to reset.

[0008] The door is slidably fitted with a second movable plate for attaching waste paper. The door is also provided with an elastic element, a driving part and a connecting part. The elastic element is used to pull the second movable plate to return to its original position away from the packing cavity. The driving part is used to drive the first movable plate and the second movable plate after the connecting part is opened. The connecting part is connected to the driving part and one end extends to the outside of the door to slow down the transmission of the driving part.

[0009] The machine body is provided with an activation part for opening the communication part. The pressure plate can trigger the activation part during the displacement process, and the pressure plate contacts the transmission part first and then triggers the activation part.

[0010] This ensures that the material is pre-compressed by the orderly movement of moving plate one first and moving plate two later, and also ensures that when moving plate one and moving plate two return to their original positions after compression, a gap is formed between them and the finished product, eliminating resistance to picking up the finished product.

[0011] The present invention is further configured such that: the transmission part includes a toggle member, a transmission member, and a hinge link;

[0012] The actuating component is used for transmission connection with the pressure plate, and it is rotatably mounted on the machine body, with a gear fixedly connected to the rotating shaft;

[0013] The transmission component is slidably assembled inside the packing cavity and meshes with the gear on the rotating shaft of the actuating component to receive the power transmitted by the actuating component and slide along the inner wall of the packing cavity.

[0014] The hinge link is used to hinge the moving plate to the inner wall of the packaging cavity. The hinge link consists of two links that are hinged to each other. The two links normally form a V-shaped structure. A guide rod is fixedly provided at the hinge connection of the two links. A guide groove adapted to the guide rod is opened on the transmission component. The guide rod is embedded in the guide groove.

[0015] When the transmission component slides, it pushes the guide rod to move through the guide groove, thereby causing the two connecting rods to unfold or retract from the V-shaped structure, and causing the moving plate to move into the packaging cavity or reset.

[0016] The present invention is further configured such that: the driving part includes an insert, an airbag one, and an airbag two;

[0017] The insert is slidably mounted on the door along the width direction of the door, with one end extending to the outside of the door. The movable plate has a slot adapted to the insert so that when the door is closed, the insert can be inserted into the slot, and the movable plate can push the insert to slide along the door synchronously when it moves.

[0018] Both airbag one and airbag two are located inside the door. Airbag one is fitted to the insert and is used to receive the squeezing force when the insert slides and generate air pressure.

[0019] The second airbag is fitted to the second movable plate and is used to push the second movable plate into the packaging cavity by its own expansion.

[0020] The first airbag and the second airbag are interconnected, and the connecting part is correspondingly provided at the connection point between the two, so as to control the gas flow between the first airbag and the second airbag by opening and closing the connecting part.

[0021] When the connecting part is opened, the air pressure generated by the compression of the first airbag by the insert can be transmitted to the second airbag, pushing the second airbag to inflate and causing the second moving plate to shift.

[0022] When the connecting part is closed, gas cannot flow, and airbag one is only pressurized itself without driving airbag two to move.

[0023] The present invention is further configured such that: the communicating portion includes a connecting pipe and a flow-stopping component;

[0024] The connecting tube is used to connect airbag one and airbag two to form a channel for gas flow between the two airbags, so that air pressure can be transferred between the two airbags.

[0025] The flow-blocking component is rotatably assembled inside the connecting pipe. Its rotation can change its position inside the connecting pipe. When the flow-blocking component rotates to block the connecting pipe channel, the gas between airbag one and airbag two cannot flow. When the flow-blocking component rotates to open the connecting pipe channel, the gas between the two airbags can be transferred normally.

[0026] One end of the flow-blocking component extends to the outside of the door, and the extended portion constitutes an extension end. The extension end is used to form a transmission connection with the starting part, so as to drive the flow-blocking component to rotate through the action of the starting part, thereby controlling the opening and closing of the connecting pipe and realizing the delayed control of the transmission timing of the driving part.

[0027] The present invention is further configured such that: the starting part includes a position detection module and a servo electric rod;

[0028] The position detection module is assembled inside the machine body and is used to identify the displacement position of the pressure plate;

[0029] The servo electric rod is electrically connected to the position detection module, and its push rod end is used to connect to the extension end of the interceptor.

[0030] When the pressure plate moves to the preset trigger position, the position detection module generates an electrical signal. After receiving the electrical signal, the servo electric rod extends and abuts against the flow cut-off piece, pushing the flow cut-off piece to rotate inside the connecting pipe to open the connecting part.

[0031] When the pressure plate moves to the reset position, the position detection module generates a reset electrical signal, the servo motor retracts, and the flow cut-off component returns to the initial state of the blocking connection part.

[0032] The present invention is further configured such that: two abutting rods are fixedly provided on the actuating member, and a preset included angle is formed between the two abutting rods; a protrusion is fixedly provided on the side of the pressure plate facing the actuating member, and the position of the protrusion is adapted to the included angle formed by the two abutting rods, so that when the pressure plate is displaced, the protrusion can extend into the included angle and abut against the corresponding abutting rod.

[0033] So that when the pressure plate moves downward, the protrusion first abuts against one of the abutting rods and pushes it to rotate around the pivot of the actuating element, thereby driving the gear on the pivot of the actuating element to rotate synchronously;

[0034] When the pressure plate returns to its original position, the protrusion abuts against another abutting rod and pushes it to rotate in the opposite direction, causing the actuating element to drive the gear to move in the opposite direction.

[0035] Compared with the prior art, the beneficial effects of the present invention are:

[0036] Firstly, through the sequential design of "moving plate one first displacement, moving plate two displacement later", the two can pre-compress the waste paper, avoiding excessive adhesion to the side wall of the packing cavity during the compression of the waste paper; after compression, moving plate one and moving plate two are reset synchronously, forming a gap with the finished product, completely eliminating the picking resistance caused by tight adhesion, and the staff can easily take out the finished product, improving work efficiency.

[0037] Secondly, all components are integrated into the body or door, resulting in a compact structure and small footprint. Meanwhile, the components are connected by mature transmission methods such as gear meshing, pneumatic transmission, and linear drive, ensuring precise action response, high reliability, and adaptability to long-term, high-frequency use.

[0038] Third, the hydraulic device, servo electric rod, position detection module and other components are all conventional parts in the mechanical field, with low procurement and maintenance costs; and the overall structure can be modified based on the existing waste paper baler without redesigning the whole machine frame, so the modification cost is controllable and easy to promote and apply. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the structure of the present invention;

[0040] Figure 2 This is a schematic diagram of the structure of the present invention with part of the body removed. Figure 1 ;

[0041] Figure 3 This is a schematic diagram of the structure of the present invention with part of the body removed. Figure 2 ;

[0042] Figure 4 This is a schematic diagram of the door structure;

[0043] Figure 5 This is a schematic diagram of the cross-sectional structure of the door;

[0044] Figure 6 This is a cross-sectional structural diagram of the present invention.

[0045] Reference numerals: 1. Body; 2. Packing chamber; 3. Pressure plate; 4. Door; 5. Moving plate one; 6. Transmission unit; 7. Moving plate two; 8. Drive unit; 9. Connecting part; 10. Starting part; 11. Actuating component; 12. Transmission component; 13. Hinge link; 14. Guide rod; 15. Guide groove; 16. Embedded component; 17. Airbag one; 18. Airbag two; 19. Connecting pipe; 20. Cutting component; 21. Position detection module; 22. Servo electric rod; 23. Elastic element. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. In this description, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0047] Waste paper balers, such as Figures 1-6 As shown, the device includes a machine body 1 and a hydraulic system. The hydraulic system is existing technology and will not be described in detail here. The machine body 1 has a baling cavity 2 for accommodating waste paper. A pressure plate 3, which is slidably mounted within the baling cavity 2 and is connected to the hydraulic system, can be driven by the hydraulic system to slide up and down along the inner wall of the baling cavity 2, thereby compressing the waste paper. The machine body 1 has a door 4 for opening the baling cavity 2. When the door 4 is closed, it seals the baling cavity 2, ensuring a stable compression process. When the door 4 is open, it facilitates the insertion of waste paper or the removal of the compressed finished product.

[0048] like Figure 2As shown, a movable plate 5 for bonding waste paper is slidably installed inside the baling cavity 2. The movable plate 5 can slide inward along the side wall of the baling cavity 2. Its side bonding with the waste paper has a smooth design to avoid scratching the paper. Two movable plates 5 are symmetrically arranged to improve compression efficiency. The baling cavity 2 also has a transmission unit 6, which connects the movable plate 5 to the pressure plate 3. When the pressure plate 3 presses down, the transmission unit 6 transmits power from the pressure plate 3 to the movable plate 5, causing it to move inward into the baling cavity 2. At this time, the pressure plate 3 has not yet contacted the material, ensuring the normal movement of the movable plate 5 and preventing material spillage. When the pressure plate 3 moves upward to its original position, the transmission unit 6 transmits power in the opposite direction, causing the movable plate 5 to return to its original position away from the inside of the baling cavity 2.

[0049] like Figures 4-6 As shown, a movable plate 2 7 for bonding waste paper is slidably mounted on the door 4. The sliding direction of the movable plate 2 7 is adapted to the movable plate 1 5, so that the waste paper can be bonded and squeezed from the front of the door 4, forming a three-sided bonding and squeezing of the waste paper with the movable plate 1 5.

[0050] At the same time, such as Figures 5-6 As shown, the door 4 is also equipped with an elastic element 23, a drive unit 8, and a connecting part 9. The elastic element 23 is a piano wire tension spring with an elastic coefficient of 8 N / mm, a preload of 35 N, and a maximum tensile stroke of 50 mm. One end is fixed to the inner wall of the door 4, and the other end is connected to the second movable plate 7. It is used to pull the second movable plate 7 to return to its original position away from the packaging cavity 2. The drive unit 8 is used to realize the transmission connection between the first movable plate 5 and the second movable plate 7 after the connecting part 9 is opened. That is, the displacement of the first movable plate 5 can be transmitted to the second movable plate 7 through the drive unit 8, thereby driving the second movable plate 7 to move.

[0051] The connecting part 9 connects to the drive part 8 and extends to the outside of the door 4. Its core function is to delay the transmission of the drive part 8, ensuring that the movement of the second moving plate 7 lags behind that of the first moving plate 5. Thus, the connecting part 9 ensures that after the first moving plate 5 moves into place, the second moving plate 7 moves accordingly, thereby guaranteeing the sequence of movement between the second moving plate 7 and the first moving plate 5 and preventing the formation of material jamming between them.

[0052] like Figure 6As shown, one end of the connecting part 9 extends to the outside of the door 4. The machine body 1 is provided with a starting part 10 for opening the connecting part 9. The pressure plate 3 can trigger the action of the starting part 10 during the displacement process. The contact time between the pressure plate 3 and the transmission part 6 is earlier than the time when it triggers the starting part 10. This timing design can realize the orderly action of "moving plate 1 5 first displacement, moving plate 2 7 displacement later": moving plate 1 5 first performs preliminary compression and gathering of waste paper, and then moving plate 2 7 follows up with compression. The two work together to pre-compress the material, avoiding the overflow or jamming of material at the connection point between moving plate 1 5 and moving plate 2 7. At the same time, after compression, moving plate 1 5 and moving plate 2 7 can be reset synchronously, forming a gap with the compressed finished product, completely eliminating the resistance to picking up the finished product.

[0053] Thus, as Figures 2-6 As shown, during the process of compressing the material by the pressure plate 3, both the second moving plate 7 and the first moving plate 5 will first move into the packaging cavity 2, thereby achieving the effect of pre-compressing the material. After the pressure plate 3 presses the material, the second moving plate 7 and the first moving plate 5 will return to their original positions, thereby forming a gap between the second moving plate 7 and the first moving plate 5 and the finished material, eliminating the handling resistance caused by tight contact, and improving the convenience of handling by the staff.

[0054] like Figures 2-3 As shown, the transmission unit 6 includes an actuating element 11, a transmission element 12, and a hinge link 13. The actuating element 11 is used for transmission connection with the pressure plate 3. It is rotatably mounted on the machine body 1, and a gear is fixedly connected to the rotating shaft. The actuating element 11 can rotate around the rotating shaft and transmit power through the gear. The transmission element 12 is slidably mounted in the packing cavity 2. One side of it is provided with teeth that are adapted to the gear on the rotating shaft of the actuating element 11, and can mesh with the gear for transmission. When the actuating element 11 rotates, the gear drives the transmission element 12 to slide along the inner wall of the packing cavity 2 and receive the power transmitted by the actuating element 11.

[0055] The hinge link 13 is used to hinge the moving plate 5 to the inner wall of the packing cavity 2. It consists of two hinged links with a length ratio of 1:1.2. Under normal conditions, it has a 45° V-shaped structure, which can store deformation potential energy and facilitate subsequent unfolding or retraction. A guide rod 14 is fixedly provided at the hinge connection of the two links. The transmission component 12 has a guide groove 15 adapted to the guide rod 14. The guide rod 14 is embedded in the guide groove 15. When the transmission component 12 slides, the guide groove 15 can push the guide rod 14 to move, thereby driving the two links to unfold from the V-shaped structure, pushing the moving plate 5 to move into the packing cavity 2 or to retract from the V-shaped structure, and driving the moving plate 5 to reset.

[0056] like Figure 3As shown, two abutment rods are fixedly installed on the actuating component 11, forming a preset 90° angle between them. The angle is designed according to the displacement stroke of the pressure plate 3 to ensure that the pressure plate 3 can contact the abutment rods when moving up and down. A protrusion is fixedly installed on the side of the pressure plate 3 facing the actuating component 11. The protrusion is 10mm high and 15mm wide, and the alignment tolerance between the center of the protrusion and the vertex of the angle between the abutment rods is ≤0.5mm, ensuring that the protrusion can accurately abut the abutment rods when the pressure plate moves. Thus, when the pressure plate 3 moves, the protrusion can extend into the angle and abut the corresponding abutment rod: when the pressure plate 3 moves downward, the protrusion abuts one of the abutment rods first, pushing it to rotate around the shaft of the actuating component 11, thereby driving the gear on the shaft of the actuating component 11 to rotate synchronously; when the pressure plate 3 returns to its original position, the protrusion abuts the other abutment rod, pushing it to rotate in the opposite direction, causing the actuating component 11 to drive the gear to move in the opposite direction, providing power for the resetting of the moving plate 5.

[0057] like Figures 2-6 As shown, the drive unit 8 includes an insert 16, an airbag 17, and an airbag 18. The insert 16 is L-shaped, with one end slidingly mounted on the door 4 along its width direction, and the other end extending to the outside of the door 4. A slot adapted to the insert 16 is provided on the moving plate 5, and a 10° guide slope is provided at the corresponding end of the insert 16 to ensure automatic alignment and insertion when the door 4 is closed. Thus, when the door 4 is closed, the insert 16 can be embedded in the slot, allowing the moving plate 5 to simultaneously push the insert 16 to slide along the door 4.

[0058] Both airbag 17 and airbag 218 are made of polyamide 66 fiber cloth and coated with a 0.2mm thick polyurethane coating on both sides. The edges are sealed with silicone and hot-pressed at 150℃ to meet the air pressure transmission sealing requirements and prevent leakage.

[0059] And as Figures 5-6 As shown, airbag 17 has a volume of 200mL and airbag 2 has a volume of 150mL, so that under normal conditions, the volume of airbag 17 is greater than that of airbag 2, so that when the gas inside airbag 17 is introduced into airbag 2, airbag 2 can have a better expansion effect of the same volume.

[0060] All of them are set inside the door 4; among them, the first airbag 17 is set to fit the insert 16. When the insert 16 slides, the first airbag 17 can receive the squeezing force of the insert 16 and generate air pressure; the second airbag 18 is set to fit the second moving plate 7. When the internal air pressure increases, it can expand itself and push the second moving plate 7 to move into the packaging cavity 2.

[0061] Meanwhile, airbag 17 and airbag 2 18 are interconnected, and a connecting part 9 is correspondingly provided at the connection point between the two. By opening and closing the connecting part 9, the gas flow between airbag 17 and airbag 2 18 can be controlled: when the connecting part 9 is open, the air pressure generated by the compression of airbag 17 can be transmitted to airbag 2 18, pushing airbag 2 18 to inflate and causing the moving plate 2 7 to move; when the connecting part 9 is closed, the gas cannot flow, and airbag 17 is only compressed itself without driving airbag 2 18 to move.

[0062] Among them, such as Figure 6 As shown, the connecting part 9 includes a connecting pipe 19 and a flow-blocking component 20. The connecting pipe 19 is made of rigid tubing and is used to connect airbag 17 and airbag 2 18, forming a channel for gas flow between the two airbags to ensure stable gas pressure transmission between them. The flow-blocking component 20 is rotatably mounted inside the connecting pipe 19, and its rotation can change its position within the connecting pipe 19. When the flow-blocking component 20 rotates to block the channel of the connecting pipe 19, gas cannot flow between airbag 17 and airbag 2 18; when the flow-blocking component 20 rotates to open the channel of the connecting pipe 19, gas can be transmitted normally between the two airbags.

[0063] One end of the flow-stopping member 20 extends to the outside of the door 4, and the extended portion constitutes an extension end, which is used to form a transmission connection with the starting part 10. By driving the flow-stopping member 20 to rotate through the action of the starting part 10, the on / off state of the connecting pipe 19 can be controlled, thereby achieving delayed control of the transmission timing of the driving part 8.

[0064] The flow-blocking component 20 is designed as a cylindrical valve core that fits the inner diameter of the connecting pipe 19. Its material is wear-resistant plastic or metal. The outer wall of the valve core is tightly fitted with the inner wall of the connecting pipe 19. The valve core has an axial flow hole (not shown) that matches the inner diameter of the connecting pipe 19. When the valve core is in the initial position, the flow hole is completely misaligned with the gas passage of the connecting pipe 19, which blocks the gas flow. When the valve core is pushed and slid by the starting part 10, the flow hole is aligned with the gas passage of the connecting pipe 19, which facilitates the flow of gas.

[0065] like Figure 6 As shown, the starting unit 10 includes a position detection module 21 and a servo electric lever 22. The position detection module 21 uses a diffuse reflection photoelectric sensor of model E3Z-D61, with a detection distance of 50-200mm. It is installed inside the machine body 1 and can identify the displacement position of the pressure plate 3 in real time and output the corresponding electrical signal. At the same time, the position detection module 21 is preset to trigger the pressure plate 3 when it is pressed down to 10% of the total stroke, so that the position adjustment of the moving plate 1 5 and the moving plate 2 7 can be completed before the pressure plate 3 comes into contact with the waste paper.

[0066] The servo electric lever 22 is electrically connected to the position detection module 21. Its push rod end is used to connect with the extension end of the throttling component 20, that is, the push rod end is connected to the operating end of the cylindrical valve core. A through hole is opened on the push rod end. The operating end of the cylindrical valve core is a through rod passing through the through hole. The through rod and the through hole are in clearance fit. So when the push rod end moves up and down, it can drive the through rod to rotate, and the through rod and the through hole will not interfere with each other.

[0067] When the pressure plate 3 moves to the preset trigger position, that is, when the pressure plate 3 contacts the transmission part 6 and drives the moving plate 5 to move to the position, the position detection module 21 generates an electrical signal. After receiving the electrical signal, the servo electric rod 22 extends and drives the operating end of the blocking member 20 to rotate, opening the connecting part 9. When the pressure plate 3 moves to the reset position, that is, when the pressure plate 3 returns to the initial upper limit position, the position detection module 21 generates a reset electrical signal, the servo electric rod 22 retracts, and the blocking member 20 returns to the initial state of blocking the connecting part 9 under the drive of the servo electric rod 22.

[0068] Working principle: Open door 4, lay the special packaging tape at the bottom of the packing chamber 2, and then put the waste paper to be compressed into the packing chamber 2; close door 4, at this time the insert 16 is inserted into the slot of the moving plate 5, and the packing chamber 2 is in a sealed state.

[0069] The hydraulic device is activated, driving the pressure plate 3 to move downward. The pressure plate 3 first contacts the abutment rod of the actuating member 11, and the protrusion pushes the abutment rod to rotate, which drives the gear of the actuating member 11 to rotate. The gear drives the transmission member 12 to slide along the inner wall of the packing cavity 2. The transmission member 12 pushes the guide rod 14 to move through the guide groove 15, so that the hinge connecting rod 13 unfolds from the V shape, driving the moving plate 5 to move into the packing cavity 2 to perform preliminary compression on the waste paper.

[0070] When the moving plate 5 moves, it pushes the insert 16 to slide along the door 4, and the insert 16 squeezes the airbag 17. Since the flow-blocking device 20 of the connecting part 9 is in a blocked state at this time, the gas cannot enter the second airbag 18, which increases the air pressure inside the first airbag 17. The pressure plate 3 continues to move downward and passes through the position detection module 21: the position detection module 21 generates an electrical signal to control the servo electric rod 22 to extend, push the flow-blocking device 20 to rotate, and open the connecting part 9; the air pressure inside the first airbag 17 is conducted to the second airbag 18 through the connecting pipe 19. The second airbag 18 expands and pushes the moving plate 7 into the packaging chamber 2, working together with the moving plate 5 to perform secondary pre-compression of the waste paper. At the same time, the pressure plate 3 continues to move downward until it reaches the preset compression position, completing the final compression of the waste paper.

[0071] After compression, the hydraulic device drives the pressure plate 3 to reset upwards. The pressure plate 3 moves upwards and passes through the position detection module 21. The position detection module 21 generates a reset electrical signal, controls the servo electric rod 22 to retract, and the flow cut-off component 20 returns to the blocking state, interrupting the gas flow between airbag 17 and airbag 28.

[0072] The pressure plate 3 continues to move upward, and its protrusion contacts the other abutment rod of the actuating member 11, pushing the actuating member 11 to rotate in the opposite direction, causing the transmission member 12 to slide in the opposite direction, and the hinge link 13 to retract from the unfolded state, causing the moving plate 5 to reset in the direction away from the packaging cavity 2.

[0073] When the movable plate 5 is reset, the insert 16 is pulled to reset, and the squeezing force of the airbag 17 disappears. At the same time, the elastic element 23 pulls the movable plate 7 to move away from the packaging cavity 2. The movable plate 7 squeezes the airbag 18, making the air pressure inside the airbag 18 higher than that inside the airbag 17. The gas flows back to the airbag 17 through the connecting pipe 19, completing the air pressure cycle and storing energy for the next operation.

[0074] After the movable plate 5 and movable plate 7 are reset, a gap is formed between them and the compressed finished product; open the door 4, use the pre-laid packaging tape to tie the finished product, and then the finished product can be easily taken out.

[0075] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0076] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A waste paper baler, comprising a machine body (1) and a hydraulic device, wherein a baling chamber (2) is provided inside the machine body (1), and a pressure plate (3) connected to the hydraulic device is slidably mounted inside the baling chamber (2), and a door (4) for opening and closing the baling chamber (2) is also provided on the machine body (1), characterized in that: The packing cavity (2) is slidably fitted with a movable plate (5) for attaching waste paper, and the packing cavity (2) is also provided with a transmission part (6). The transmission part (6) is used for the transmission connection between the movable plate (5) and the pressure plate (3), so that when the pressure plate (3) presses down, it drives the movable plate (5) to move into the packing cavity (2), and when the pressure plate (3) moves up, it drives the movable plate (5) to reset. The door (4) is slidably fitted with a movable plate two (7) for attaching waste paper. The door (4) is also provided with an elastic element (23), a driving part (8) and a connecting part (9). The elastic element (23) is used to pull the movable plate two (7) to reset in a direction away from the packing cavity (2). The driving part (8) is used for the transmission connection between the movable plate one (5) and the movable plate two (7) after the connecting part (9) is opened. The connecting part (9) is connected to the driving part (8) and one end extends to the outside of the door (4) to delay the transmission of the driving part (8). The machine body (1) is provided with a starting part (10) for opening the connecting part (9). The pressure plate (3) can trigger the action of the starting part (10) during the displacement process, and the pressure plate (3) first contacts the transmission part (6) and then triggers the starting part (10). This is to pre-compress the material so that the moving plate 1 (5) moves first and the moving plate 2 (7) moves later, and to ensure that when the moving plate 1 (5) and the moving plate 2 (7) are reset after compression, a gap is formed between them and the finished product, thus eliminating the resistance to picking up the finished product.

2. The waste paper baler according to claim 1, characterized in that: The transmission part (6) includes a toggle member (11), a transmission member (12), and a hinge link (13). The actuating element (11) is used to drive the pressure plate (3), and it is rotatably mounted on the machine body (1), and a gear is fixedly connected to the rotating shaft; The transmission component (12) is slidably assembled in the packing cavity (2) and meshes with the gear on the rotating shaft of the actuating component (11) to receive the power transmitted by the actuating component (11) and slide along the inner wall of the packing cavity (2); The hinge link (13) is used to hinge the moving plate (5) and the inner wall of the packaging cavity (2). The hinge link (13) consists of two links that are hinged to each other. The two links normally form a V-shaped structure. A guide rod (14) is fixedly provided at the hinge connection of the two links. A guide groove (15) adapted to the guide rod (14) is provided on the transmission component (12). The guide rod (14) is embedded in the guide groove (15). When the transmission component (12) slides, it pushes the guide rod (14) to move through the guide groove (15), thereby driving the two connecting rods to unfold or retract from the V-shaped structure, and driving the moving plate (5) to move or reset inside the packaging cavity (2).

3. The waste paper baler according to claim 1, characterized in that: The drive unit (8) includes an insert (16), an airbag one (17), and an airbag two (18). The insert (16) is slidably mounted on the door (4) along the width direction of the door (4), with one end extending to the outside of the door (4). The movable plate (5) has a slot adapted to the insert (16) so that when the door (4) is closed, the insert (16) can be inserted into the slot, so that when the movable plate (5) is displaced, the insert (16) can be pushed to slide along the door (4) simultaneously. Both airbag one (17) and airbag two (18) are located inside the door (4). Airbag one (17) is fitted to the insert (16) and is used to receive the squeezing force when the insert (16) slides and generate air pressure. The second airbag (18) is fitted to the second moving plate (7) and is used to push the second moving plate (7) into the packaging cavity (2) by its own expansion; The first airbag (17) and the second airbag (18) are interconnected, and the connecting part (9) is correspondingly provided at the connection between the two, so as to control the gas flow between the first airbag (17) and the second airbag (18) by opening and closing the connecting part (9). When the connecting part (9) is opened, the air pressure generated by the compression of the first airbag (17) by the insert (16) can be transmitted to the second airbag (18), pushing the second airbag (18) to expand and causing the second moving plate (7) to move. When the connecting part (9) is closed, the gas cannot flow, and the first airbag (17) is only pressurized and does not drive the second airbag (18) to move.

4. The waste paper baler according to claim 3, characterized in that: The connecting part (9) includes a connecting pipe (19) and a flow cut-off component (20); The connecting pipe (19) is used to connect airbag one (17) and airbag two (18) to form a channel for gas flow between the two airbags, so that air pressure can be transmitted between the two airbags; The flow-blocking component (20) is rotatably assembled inside the connecting pipe (19). Its rotation can change its position inside the connecting pipe (19). When the flow-blocking component (20) rotates to block the channel of the connecting pipe (19), the gas cannot flow between the first airbag (17) and the second airbag (18). When the flow-blocking component (20) rotates to open the channel of the connecting pipe (19), the gas between the two airbags can be transferred normally. One end of the interceptor (20) extends to the outside of the door (4), and the extended part constitutes an extension end. The extension end is used to form a transmission connection with the starting part (10) so that the interceptor (20) can be driven to rotate by the action of the starting part (10), thereby controlling the opening and closing of the connecting pipe (19) and realizing the delayed control of the transmission timing of the driving part (8).

5. The waste paper baler according to claim 4, characterized in that: The starting unit (10) includes a position detection module (21) and a servo electric rod (22). The position detection module (21) is installed inside the machine body (1) and is used to identify the displacement position of the pressure plate (3); The servo electric rod (22) is electrically connected to the position detection module (21), and its push rod end is used to connect to the extension end of the interceptor (20); When the pressure plate (3) is displaced to the preset trigger position, the position detection module (21) generates an electrical signal. The servo electric rod (22) receives the electrical signal, extends and abuts against the cut-off part (20), and pushes the cut-off part (20) to rotate in the connecting pipe (19) to open the connecting part (9). When the pressure plate (3) is displaced to the reset position, the position detection module (21) generates a reset electrical signal, the servo electric rod (22) retracts, and the cut-off component (20) returns to the initial state of the blocking connection part (9).

6. The waste paper baler according to claim 2, characterized in that: Two abutting rods are fixedly provided on the actuating member (11), and a preset angle is formed between the two abutting rods. A protrusion is fixedly provided on the side of the pressure plate (3) facing the actuating member (11). The position of the protrusion is adapted to the angle formed by the two abutting rods so that when the pressure plate (3) is displaced, the protrusion can extend into the angle and abut against the corresponding abutting rod. So that when the pressure plate (3) moves downward, the protrusion will first abut against one of the abutting rods and push it to rotate around the pivot of the actuating member (11), thereby driving the gear on the pivot of the actuating member (11) to rotate synchronously. When the pressure plate (3) is reset upward, the protrusion abuts against another abutting rod and pushes it to rotate in the opposite direction, causing the actuating element (11) to drive the gear to move in the opposite direction.

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