A fully automatic paper mounting machine

Abstract

The present application belongs to the technical field of paper laminating machine, and particularly relates to a full-automatic paper laminating machine, which comprises a paper feeding assembly A, a paper feeding assembly B and a paper pressing assembly. The paper feeding assembly A is used for conveying base paper, the paper feeding assembly B is used for conveying face paper to the direction of the base paper, and the paper pressing assembly is used for transferring and pasting the face paper on the conveying belt B to the base paper. The opening of the two baffle plates E in the opening control assembly blocked by the base paper is increased to form effective adsorption to the base paper or the face paper, and the opening of the two baffle plates E in the opening control assembly not blocked by the base paper is reduced so that the opening control assembly not blocked by the base paper cannot suck a large amount of air, thereby ensuring that the negative pressure pump has a smaller power to achieve effective adsorption to the base paper or the face paper and reducing the energy consumption of the negative pressure pump.

Description

Technical Field

[0001] This invention belongs to the field of paper mounting machine technology, and in particular relates to a fully automatic paper mounting machine. Background Technology

[0002] A laminating machine is a mechanical device used to bond two different types of paper together.

[0003] Laminating machines are very common in the printing and packaging industry. They are used to laminate cardboard and corrugated paper, and are often called laminating machines or pasting machines. The main components of a laminating machine include the paper feeding mechanism, the laminating mechanism, and the paper pressing mechanism. These machines can automate the lamination process, improving production efficiency and ensuring the accuracy and quality of the paper lamination.

[0004] Paper mounting machines can be divided into different types such as manual, semi-automatic and fully automatic, to adapt to different production needs and scales.

[0005] The paper feeding mechanism in existing paper mounting machines has an exhaust mechanism installed under the conveyor belt. The exhaust mechanism generates negative pressure on the conveyor belt and adsorbs the paper onto the conveyor belt, ensuring that the paper on the conveyor belt moves synchronously with the conveyor belt and improving the accuracy of paper bonding. However, the suction holes on the areas of the conveyor belt where the paper is not adsorbed will suck in a large amount of air because they are not blocked by the paper. This causes the negative pressure generated by the suction holes on the conveyor belt to drop. In order to ensure the negative pressure of the suction holes, a high-power negative pressure pump is required, which leads to an increase in the energy consumption of the negative pressure pump.

[0006] This invention designs an energy-saving paper feeding mechanism and specifically designs a paper loading mechanism, a paper mounting mechanism, and a paper pressing mechanism to adapt to the designed paper feeding mechanism. Summary of the Invention

[0007] Based on this, it is necessary to address the problems existing in current paper mounting machines by providing a fully automatic paper mounting machine. This machine effectively adsorbs the base paper or face paper by increasing the opening of the two baffles E in the opening control component that is blocked by the base paper, while decreasing the opening of the two baffles E in the opening control component that is not blocked by the base paper, thus preventing the opening control component that is not blocked by the base paper from sucking in a large amount of air. This ensures that the negative pressure pump can achieve effective adsorption of the base paper or face paper with relatively low power, thereby reducing the energy consumption of the negative pressure pump.

[0008] The above objectives are achieved through the following technical solutions: A fully automatic paper mounting machine for pasting two types of paper, comprising: Paper feeding assembly A is used to convey base paper; the paper feeding assembly A includes a conveyor belt A, the middle of the conveyor belt A is densely covered with exhaust holes A and the two sides are densely covered with negative pressure holes A, and an opening control component is provided in the negative pressure holes A.

[0009] Paper feeding assembly B is used to convey face paper in the direction of base paper; the paper feeding assembly B includes a conveyor belt B, the middle of the conveyor belt B is densely covered with exhaust holes B and the two sides are densely covered with negative pressure holes B, and an opening control component is provided in the negative pressure holes B.

[0010] A paper pressing assembly is used to transfer and adhere the face paper on conveyor belt B to the base paper; the paper pressing assembly includes a conveyor belt C, the middle of which is densely covered with vent holes C and the two sides of which are densely covered with negative pressure holes C, and an opening control component is provided in the negative pressure holes C; the conveyor belt C has an inclined part corresponding to the conveyor belt B and a horizontal part corresponding to the conveyor belt A, and the conveyor belt C has a pressing structure that presses its upper horizontal part against the conveyor belt A.

[0011] The opening control component includes a housing with a vent groove and through grooves A distributed on both sides of the vent groove. The grooves A are connected to the vent groove via grooves B. A square tube with its upper end closed slides inside the groove A. The wall of the square tube has a movable groove corresponding to the groove B and a baffle D that covers the movable groove is slidably provided. An inclined plate is provided inside the square tube. A baffle E that cooperates with the inclined plate slides horizontally inside the groove B. The baffle E is located below the inclined plate and is slidably connected to the baffle D. The baffle E is connected to the baffle D via a leaf spring. A spring B is provided inside the housing to disengage the inclined plate from the baffle E.

[0012] In one embodiment, the conveyor belt A is mounted on two conveyor rollers A, which are mounted on a support via roller shafts A. The roller shafts A are connected to the output shaft of a motor A on the support. A pair of baffles A are installed on each side of the conveyor belt A. Each pair of baffles A forms a negative pressure space with the conveyor belt A and communicates with the corresponding negative pressure hole A. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe A. Each pair of baffles A is connected by a bushing A fitted onto the roller shaft A. A plurality of support rollers A supporting the working surface of the conveyor belt A are installed between the two pairs of baffles A.

[0013] In one embodiment, an upper paper box for stacking face paper is provided above the conveyor belt B, and the bottom front end of the upper paper box slopes downward and has a paper outlet.

[0014] In one embodiment, the conveyor belt B is mounted on two conveyor rollers B, which are mounted on a support via roller shafts B. The roller shafts B are connected to the output shaft of a motor B on the support. A pair of baffles B are installed on each side of the conveyor belt B. Each pair of baffles B and the conveyor belt B form a negative pressure space communicating with the corresponding negative pressure hole B. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe B. Each pair of baffles B is connected via a bushing B fitted onto the roller shaft B. Several support rollers B supporting the working surface of the conveyor belt B are installed between the two pairs of baffles B. Each pair of baffles B is provided with an air supply pipe. The top of the air supply pipe has several air supply holes that supply air into the corresponding negative pressure space and are distributed along the axial direction of the roller shaft B. The air supply holes are opposite to the rear half of the paper outlet.

[0015] In one embodiment, the conveyor belt C is mounted on two conveyor rollers C, which are mounted on a support via roller shafts C. The roller shafts C are connected to the output shaft of a motor C on the support. A pair of baffles C are installed on each side of the conveyor belt C. Each pair of baffles C and the conveyor belt C form a negative pressure space that communicates with the corresponding negative pressure hole C. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe C. Each pair of baffles C is connected by a bushing C fitted onto the roller shaft C. Between the two pairs of baffles C, several support rollers C that support the inclined working surface of the conveyor belt C and several fixed shafts corresponding to the horizontal working surface of the conveyor belt C are installed. Rollers that support the horizontal working surface of the conveyor belt C are fitted onto the fixed shafts. The inner sides of the two ends of the rollers are connected to the fixed shafts via three circumferentially evenly distributed springs A.

[0016] In one embodiment, baffle A is connected to the dovetail strip inside conveyor belt A via a dovetail groove thereon, baffle B is connected to the dovetail strip inside conveyor belt B via a dovetail groove thereon, and baffle C is connected to the dovetail strip inside conveyor belt C via a dovetail groove thereon.

[0017] In one embodiment, the two square tubes in the opening control assembly are integrally connected by a ring plate A, and the ring plate A is connected to the ring plate B inside the housing by a spring B.

[0018] In one embodiment, an adhesive applicator is provided between conveyor belt A and conveyor belt B, the adhesive applicator being used to apply adhesive to the base paper on conveyor belt A.

[0019] In one embodiment, a separation plate flush with the working surface of the conveyor belt A is provided at the end of the conveyor belt A. The separation plate is used to separate the finished base paper and face paper from the conveyor belt A.

[0020] In one embodiment, a paper feeding assembly is provided at the front end of the conveyor belt A. The paper feeding assembly is used to transfer the base paper to the conveyor belt A in a flat and centered state. The paper feeding assembly includes a robotic arm, and a square plate is installed at the end of the robotic arm. Four negative pressure shells that move along their diagonals are slidably disposed on the lower surface of the plate. The negative pressure shells are driven by electric push rods. The inside of the negative pressure shells is connected to an air pump on the surface of the plate through a negative pressure pipe D. The lower end face of the negative pressure shells is densely covered with negative pressure holes D.

[0021] The beneficial effects of this invention are: This invention uses a paper feeding assembly to place relatively stiff base paper in a flat state onto a paper feeding assembly A, which then conveys it downwards to the horizontal portion of a paper pressing assembly. The opening control components in the negative pressure holes A on both sides of the conveyor belt A, which are initially obscured by the base paper, open to effectively adsorb the base paper. Meanwhile, the exhaust holes A in the middle of the conveyor belt A effectively expel air between the base paper and the conveyor belt A, ensuring the base paper remains flat on the conveyor belt A. Simultaneously, the opening control components in the negative pressure holes A not obscured by the base paper reduce the opening of the negative pressure holes A, preventing them from drawing in large amounts of air. This ensures that the negative pressure pump can effectively adsorb the base paper with relatively low power, reducing the energy consumption of the negative pressure pump.

[0022] The conveyor belt B in the paper feeding assembly B and the conveyor belt C in the paper pressing assembly have a negative pressure structure similar to that on the conveyor belt A, ensuring that the negative pressure pump that provides negative pressure to the paper feeding assembly B and the paper pressing assembly can effectively adsorb the paper with low power, thus reducing the energy consumption of the negative pressure pump.

[0023] In this invention, the paper feeding assembly B uses a negative pressure structure similar to that of the paper feeding assembly A to pull the paper out from the paper outlet at the bottom of the upper paper box and convey it to the inclined part of the paper pressing assembly. The paper feeding assembly B blows air into the negative pressure hole B corresponding to the rear part of the paper feeding outlet through the air supply pipe on it, so that the paper is not conveyed to the paper pressing assembly by the paper feeding assembly B in a partially overlapping state, ensuring that the paper in the upper paper box can reach the conveyor belt B in an orderly manner without overlapping.

[0024] In this invention, the paper pressing assembly can press the face paper from the paper feeding assembly B onto the glued base paper on the paper feeding assembly A during the conveying process, effectively improving the efficiency of paper bonding. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the invention and its cross-section.

[0026] Figure 2 This is a schematic diagram of the paper feeding assembly A and its cross-section.

[0027] Figure 3 These are two cross-sectional schematic diagrams of the paper feeding assembly.

[0028] Figure 4 This is a schematic diagram of the paper feeding assembly B and its cross-section.

[0029] Figure 5 These are two cross-sectional schematic diagrams of the paper feeding assembly B.

[0030] Figure 6 This is a cross-sectional schematic diagram of the paper feeding assembly B.

[0031] Figure 7 This is a cross-sectional schematic diagram of the paper feeding component B and the upper paper tray.

[0032] Figure 8 This is a schematic diagram of the paper pressing assembly and its cross-section.

[0033] Figure 9 These are two cross-sectional schematic diagrams of the paper pressing assembly.

[0034] Figure 10 This is a cross-sectional schematic diagram of the paper pressing assembly.

[0035] Figure 11 This is a cross-sectional schematic diagram of the paper pressing assembly and the paper feeding assembly A working together.

[0036] Figure 12 This is a cross-sectional schematic diagram of the opening control component.

[0037] Figure 13 This is a schematic diagram of the shell cross-section.

[0038] Figure 14 This is a schematic diagram of the cross-section of the square tube structure.

[0039] Figure 15 This is a schematic diagram of the paper feeding assembly and its cross-section.

[0040] Figure 16 This is a diagram of the upper cardboard box.

[0041] Labels in the diagram: 101. Support; 102. Gluing device; 103. Separating plate; 104. Motor A; 105. Motor B; 106. Motor C; 107. Paper tray; 108. Paper outlet; 109. Face paper; 110. Base paper; 200. Paper feeding assembly A; 201. Transfer roller A; 202. Roller shaft A; 203. Support roller A; 204. Conveyor belt A; 205. Exhaust port A; 206. Negative pressure port A; 207. Baffle A; 208. Bushing A; 209. Negative pressure pipe A; 300. Paper feeding assembly; 301. Robotic arm; 302. Flat plate; 303. Negative pressure shell; 304. Negative pressure hole D; 305. Electric push rod; 306. Negative pressure pipe D; 307. Air pump; 400. Paper feeding assembly B; 401. Transfer roller B; 402. Roller shaft B; 403. Support roller B; 404. Conveyor belt B; 405. Exhaust port B; 406. Negative pressure port B; 407. Baffle B; 408. Bushing B; 409. Negative pressure pipe B; 410. Air supply pipe; 411. Air supply hole; 600. Paper pressing assembly; 601. Transfer roller C; 602. Roller shaft C; 603. Support roller C; 604. Conveyor belt C; 605. Vent hole C; 606. Negative pressure hole C; 607. Baffle C; 608. Bushing C; 609. Negative pressure pipe C; 610. Roller; 611. Spring A; 612. Fixed shaft; 700. Opening control component; 701. Housing; 702. Ventilation slot; 703. Slide A; 705. Slide B; 706. Square tube; 707. Movable slot; 708. Baffle D; 709. Inclined plate; 710. Ring plate A; 711. Ring plate B; 712. Spring B; 713. Baffle E; 714. Leaf spring. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0043] The serial numbers assigned to components in this document, such as "first," "second," etc., are merely used to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). In the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for 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 invention.

[0044] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0045] like Figure 1 As shown, a fully automatic paper mounting machine is used for pasting two types of paper, including: Paper feeding assembly A200 is used to feed base paper 110; such as Figure 2 , 3 As shown, the paper feeding assembly A200 includes a conveyor belt A204, the middle of which is densely covered with exhaust holes A205 and the two sides of which are densely covered with negative pressure holes A206, and the negative pressure holes A206 are provided with an opening control assembly 700.

[0046] Paper feeding assembly B400 is used to feed face paper 109 in the direction of base paper 110; such as Figure 4 , 5 As shown in Figure 6, the paper feeding assembly B400 includes a conveyor belt B404, the middle of which is densely covered with exhaust holes B405 and the two sides of which are densely covered with negative pressure holes B406, and the negative pressure hole B406 is provided with an opening control assembly 700.

[0047] The paper pressing assembly 600 is used to transfer and adhere the face paper 109 on the conveyor belt B404 to the base paper 110; as shown Figure 8 , 9 As shown in Figure 10, the paper pressing assembly 600 includes a conveyor belt C604. The middle of the conveyor belt C604 is densely covered with exhaust holes C605, and the two sides are densely covered with negative pressure holes C606. An opening control assembly 700 is provided in the negative pressure hole C606. The conveyor belt C604 has an inclined part corresponding to the conveyor belt B404 and a horizontal part corresponding to the conveyor belt A204. The conveyor belt C604 has a pressing structure that presses its upper horizontal part against the conveyor belt A204.

[0048] like Figure 12 As shown, the opening control component 700 includes a housing 701, such as... Figure 13 As shown, the housing 701 has a vent groove 702 and through grooves A703 distributed on both sides of the vent groove 702. The through grooves A703 are connected to the vent groove 702 through a through groove B705. Figure 12 , 14As shown, a square tube 706 with its upper end closed slides within the sliding groove A703. The wall of the square tube 706 has a movable groove 707 corresponding to the sliding groove B705, and a baffle D708 is slidably provided to cover the movable groove 707. An inclined plate 709 is provided inside the square tube 706. A baffle E713 that cooperates with the inclined plate 709 slides horizontally within the sliding groove B705. The baffle E713 is located below the inclined plate 709 and is slidably connected to the baffle D708. The baffle E713 is connected to the baffle D708 through a leaf spring 714. A spring B712 is provided inside the housing 701 to disengage the inclined plate 709 from the baffle E713.

[0049] The opening of the two baffles E713 in the opening control component 700 that is blocked by the base paper 110 increases, thus effectively adsorbing the base paper 110 or the face paper 109. The opening of the two baffles E713 in the opening control component 700 that is not blocked by the base paper 110 decreases, so that the opening control component 700 that is not blocked by the base paper 110 cannot draw in a large amount of air. This ensures that the negative pressure pump can achieve effective adsorption of the base paper 110 or the face paper 109 with a small power, thereby reducing the energy consumption of the negative pressure pump.

[0050] In a further embodiment, such as Figure 2 , 3 As shown, the conveyor belt A204 is mounted on two conveyor rollers A201. The conveyor rollers A201 are mounted on the bracket 101 via roller shafts A202. The roller shafts A202 are connected to the output shaft of the motor A104 on the bracket 101. A pair of baffles A207 are installed on both sides of the conveyor belt A204. Each pair of baffles A207 forms a negative pressure space with the conveyor belt A204 and communicates with the corresponding negative pressure hole A206. The negative pressure space is connected to the negative pressure pump via a negative pressure pipe A209. Each pair of baffles A207 is connected by a bushing A208 sleeved on the roller shaft A202. Several support rollers A203 supporting the working surface of the conveyor belt A204 are installed between the two pairs of baffles A207.

[0051] In a further embodiment, such as Figure 1 , 7 As shown in Figure 16, an upper paper box 107 for stacking paper sheets 109 is provided above the conveyor belt B404. The bottom front end of the upper paper box 107 is inclined downward and has a paper outlet 108.

[0052] In a further embodiment, such as Figure 4 , 5As shown, the conveyor belt B404 is mounted on two conveyor rollers B401. The conveyor rollers B401 are mounted on the bracket 101 via roller shafts B402. The roller shafts B402 are connected to the output shaft of the motor B105 on the bracket 101. A pair of baffles B407 are installed on each side of the conveyor belt B404. Each pair of baffles B407 forms a negative pressure space with the conveyor belt B404, communicating with the corresponding negative pressure hole B406. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe B409. Each pair of baffles B407 is connected by a bushing B408 fitted onto the roller shaft B402. Several support rollers B403 supporting the working surface of the conveyor belt B404 are installed between the two pairs of baffles B407. Figure 4 , 6 As shown in Figure 7, each pair of baffles B407 is provided with an air supply pipe 410. The top of the air supply pipe 410 is provided with several air supply holes 411 that supply air into the corresponding negative pressure space and are distributed along the axial direction of the roller B402. The air supply holes 411 are opposite to the rear half of the paper outlet 108.

[0053] In a further embodiment, such as Figure 8 , 9 As shown, the conveyor belt C604 is mounted on two conveyor rollers C601. The conveyor rollers C601 are mounted on the bracket 101 via roller shafts C602. The roller shafts C602 are connected to the output shaft of the motor C106 on the bracket 101. A pair of baffles C607 are installed on each side of the conveyor belt C604. Each pair of baffles C607 forms a negative pressure space with the conveyor belt C604, communicating with the corresponding negative pressure hole C606. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe C609. Each pair of baffles C607 is connected via a bushing C608 fitted onto the roller shaft C602. Figure 8 , 10 As shown in Figure 11, between the two pairs of baffles C607, there are several support rollers C603 supporting the inclined working surface of the conveyor belt C604 and several fixed shafts 612 corresponding to the horizontal working surface of the conveyor belt C604. Rollers 610 supporting the horizontal working surface of the conveyor belt C604 are sleeved on the fixed shafts 612. The inner sides of both ends of the rollers 610 are connected to the fixed shafts 612 by three circumferentially evenly distributed springs A611.

[0054] In a further embodiment, such as Figure 3 , 5 As shown in Figure 9, the baffle A207 is connected to the dovetail strip inside the conveyor belt A204 through its dovetail groove, the baffle B407 is connected to the dovetail strip inside the conveyor belt B404 through its dovetail groove, and the baffle C607 is connected to the dovetail strip inside the conveyor belt C604 through its dovetail groove.

[0055] In a further embodiment, such as Figure 12 As shown, the two square tubes 706 in the opening control component 700 are integrally connected by a ring plate A710, and the ring plate A710 is connected to the ring plate B711 inside the housing 701 by a spring B712.

[0056] In a further embodiment, such as Figure 1 As shown, an adhesive applicator 102 is provided between the conveyor belt A204 and the conveyor belt B404. The adhesive applicator 102 is used to apply adhesive to the base paper 110 on the conveyor belt A204.

[0057] In a further embodiment, such as Figure 1 As shown, a separation plate 103 flush with the working surface of the conveyor belt A204 is provided at the end of the conveyor belt A204. The separation plate 103 is used to separate the base paper 110 and the face paper 109 that have been pasted from the conveyor belt A204.

[0058] In a further embodiment, such as Figure 1 As shown, a paper feeding assembly 300 is provided at the front end of the conveyor belt A204. The paper feeding assembly 300 is used to transfer the base paper 110 to the conveyor belt A204 in a flat and centered state; as Figure 15 As shown, the paper feeding assembly 300 includes a robotic arm 301, with a square plate 302 mounted at the end of the robotic arm 301. Four negative pressure shells 303 that move along their diagonals are slidably disposed on the lower surface of the plate 302. The negative pressure shells 303 are driven by an electric push rod 305. The interior of the negative pressure shells 303 is connected to an air pump 307 on the surface of the plate 302 through a negative pressure pipe D306. The lower end face of the negative pressure shells 303 is densely covered with negative pressure holes D304.

[0059] The operation flow of this invention is as follows: In the initial state, the opening degree control components 700 in the negative pressure holes A206 on conveyor belt A204, B406 on conveyor belt B404, and C606 on conveyor belt C604 are at their maximum opening degree. The spring B712 in the opening degree control component 700 is in a compressed state, the two square tubes 706 are at their top limit positions on the corresponding slide grooves A703, the ring plate A710 abuts against the lower end of the housing 701, the two baffles E713 are in a fully open state relative to the vent groove 702, and the leaf spring 714 is in a compressed state. Paper sheets 109 are stacked inside the upper paper tray 107, with the bottommost paper sheet 109 located at the paper outlet 108 falling onto the conveyor belt B404 and partially blocking the negative pressure holes B406 on the conveyor belt B404.

[0060] Start motors A104, B105, and C106, and simultaneously start the negative pressure pump to evacuate the negative pressure spaces corresponding to the negative pressure holes A206 on conveyor belts A204, B406 on conveyor belts B404, and C606 on conveyor belts C604 through negative pressure pipes A209, B409, and C609. This creates negative pressure at the inner ends of conveyor belts A204, B404, and C604.

[0061] Since the negative pressure holes A206 on conveyor belt A204, B406 on conveyor belt B404, and C606 on conveyor belt C604 are not blocked by the base paper 110, the opening of the opening control component 700 in the negative pressure holes A206 on conveyor belt A204, B406 on conveyor belt B404, and C606 on conveyor belt C604 becomes the minimum, so that the air intake of the negative pressure holes A206 on conveyor belt A204, B406 on conveyor belt B404, and C606 on conveyor belt C604 is minimized, thereby reducing the energy consumption of the negative pressure pump. The air pressure at the upper and lower ends of the housing 701 in the opening control component 700 of the negative pressure hole B406, which is blocked by the face paper 109 on the conveyor belt B404, is equal because the negative pressure hole B406 is blocked by the face paper 109. The opening of the negative pressure hole B406 blocked by the face paper 109 remains unchanged, thus effectively adsorbing the face paper 109.

[0062] During the generation of negative pressure within conveyor belts A204, B404, and C604, the air pressure at the lower end of housing 701 in the opening control component 700 is lower than the air pressure at the upper end of housing 701. Under the action of the pressure difference, the two square tubes 706 in the opening control component 700 move downward to a certain extent, and the spring B712 is further compressed. The inclined plate 709 in the square tube 706 drives the baffle E713 to close the vent 702 to a certain extent, but there is still a gap between the two baffles E713, so that the opening of the vent 702 reaches the minimum, ensuring the normal operation of the negative pressure pump.

[0063] Conveyor belt A204 operates under the drive of motor A104, conveyor belt B404 operates under the drive of motor B105, and conveyor belt C604 operates under the drive of motor C106. Simultaneously, air is supplied to two negative pressure spaces on both sides of conveyor belt B404 through two air supply pipes 410 in the paper feeding assembly B400. The air entering the air supply pipes 410 is blown through the air supply holes 411 to the opening control component 700 in the corresponding negative pressure hole C606 at the rear half of the paper outlet 108, and then reaches the face paper 109 through the ventilation groove 702 in the opening control component 700. This causes the face paper 109 at the corresponding part to detach from conveyor belt B404 and from the suction of negative pressure hole B406, preventing the bottom face paper 109 from being trapped in the conveyor belt. When the negative pressure hole B406 on the belt B404 is about to completely detach from the bottom of the upper paper tray 107 from the paper outlet 108, the front end of the subsequent face paper 109 is lifted up and will not press against the tail end of the previous face paper 109. This ensures that the subsequent face paper 109 will be attracted to the conveyor belt B404 and pulled out onto the conveyor belt B404 after the previous face paper 109 has completely detached from the upper paper tray 107. This prevents the face paper 109 on the conveyor belt B404 from overlapping and failing to completely adhere independently to the base paper 110. The air pressure at both ends of the square cylinder 706 in the opening control component 700 blown by the air in the air supply pipe 410 is atmospheric pressure, which keeps the two baffles E713 at maximum opening to the ventilation slot 702.

[0064] When the opening control component 700 changes from an obstructed state to an unobstructed state, the air pressure at the upper end of the housing 701 suddenly increases. Under the action of the atmospheric pressure at the upper end, the two square tubes 706 move downward by a certain amount. The inclined plate 709 inside the square tube 706 drives the baffle E713 to reduce the opening of the ventilation slot 702 to the minimum. The spring B712 is compressed, thereby avoiding the waste of negative pressure, reducing the energy consumption of the negative pressure pump, or enabling the negative pressure pump to achieve the adsorption of the face paper 109 or the base paper 110 with a small power.

[0065] During the continuous conveying of the inner paper 109 of the upper paper tray 107 to the conveyor belt B404, the base paper 110 is placed on the conveyor belt A204 at equal intervals by the paper feeding assembly 300 and moved by the conveyor belt A204 downwards to the horizontal part of the conveyor belt C604. When the base paper 110 reaches the bottom of the gluing device 102, the gluing device 102 applies glue evenly to the base paper 110. The glued base paper 110 continues to move downwards to the horizontal part of the conveyor belt C604 under the drive of the conveyor belt A204.

[0066] Sensors are installed on the paper feeding assembly A200, paper feeding assembly B400, and paper pressing assembly 600 in this invention. During the movement of the base paper 110 and the face paper 109 below the horizontal section of the conveyor belt C604, the sensors control the running speed of motors A104, B105, and C106 according to the position of the base paper 110 on the conveyor belt A204, thereby controlling the running speed of the conveyor belts A204, B404, and C604 to adjust the relative position of the base paper 110 and the face paper 109. This ensures that the face paper 109 on the conveyor belt C604 is exactly opposite to the base paper 110 on the conveyor belt A204 after reaching its horizontal section, thus ensuring that the base paper 110 and the face paper 109 are properly bonded at the horizontal section of the conveyor belt C604.

[0067] When the face paper 109 on conveyor belt B404 reaches its end, because the negative pressure of the negative pressure hole C606 on conveyor belt C604 is greater than the negative pressure of the negative pressure hole B406 on conveyor belt B404, the face paper 109 on conveyor belt B404 is attracted by the negative pressure hole C606 on conveyor belt C604 and reaches conveyor belt C604, thus completing the transfer of face paper 109 from conveyor belt B404 to conveyor belt C604.

[0068] When the face paper 109 reaches its horizontal section under the conveyor belt C604, the base paper 110 on the conveyor belt A204 reaches the horizontal section of the conveyor belt C604 and comes into contact with the face paper 109 on the conveyor belt C604. The roller 610 in the horizontal section of the conveyor belt C604, under the action of the corresponding spring A611, presses the face paper 109 tightly against the base paper 110 through the conveyor belt C604, and completes the bonding of the face paper 109 to the base paper 110 with the synchronous movement of the face paper 109 and the base paper 110.

[0069] After the bonded base paper 110 and face paper 109 are separated from the conveyor belts A204 and B404, they are separated from the conveyor belts A204 by the separation plate 103 as the base paper 110 and face paper 109 continue to move and eventually reach the separation plate 103 completely.

[0070] The process of the paper feeding mechanism picking up the base paper 110 and transferring it onto the conveyor belt A204 is as follows: The four air pumps 307 on the flat plate 302 are activated. The air pumps 307 create a vacuum inside the four negative pressure shells 303 via the negative pressure pipe D306. Negative pressure is generated at the negative pressure holes D304 at the lower ends of the negative pressure shells 303. This activates the four electric push rods 305, causing them to move the negative pressure shells 303 according to the area of ​​the base paper 110, positioning them at the four corners of the paper to grip and absorb it as a whole. After the negative pressure shells 303 are positioned, the robotic arm 301 moves the four negative pressure shells 303 on the flat plate 302 to press against the base paper 110 and adhere to it. The four electric push rods 305 are activated to drive the four negative pressure shells 303 to make fine adjustments so that the base paper 110 is in a flat state. Then, the mechanical arm 301 drives the plate 302 to move towards the entry end of the conveyor belt A204. The four negative pressure shells 303 adsorb the base paper 110 and place it on the conveyor belt A204 in a horizontal flat state. When the base paper 110 reaches the conveyor belt A204 and is adsorbed by the negative pressure hole A206, the operation of the four air pumps 307 is stopped, so that the four negative pressure shells 303 release the adsorption of the base paper 110. Then, the mechanical arm 301 drives the plate 302 to continue to move to the next base paper 110 for adsorption and gripping.

[0071] The vents A205 in the middle of conveyor belt A204, B405 in the middle of conveyor belt B404, and C605 in the middle of conveyor belt C604 can effectively discharge the air between conveyor belts A204, B404, and C604 and the base paper 110 or the face paper 109, so that conveyor belts A204, B404, and C604 are always in a flat state.

Claims

1. A fully automatic paper mounting machine for pasting two types of paper, characterized in that, include: Paper feeding assembly A is used to convey base paper; the paper feeding assembly A includes a conveyor belt A, the middle of the conveyor belt A is densely covered with exhaust holes A and the two sides are densely covered with negative pressure holes A, and an opening control component is provided in the negative pressure holes A. Paper feeding assembly B is used to convey face paper in the direction of base paper; the paper feeding assembly B includes a conveyor belt B, the middle of the conveyor belt B is densely covered with exhaust holes B and the two sides are densely covered with negative pressure holes B, and an opening control component is provided in the negative pressure holes B. A paper pressing assembly is used to transfer and adhere the face paper on conveyor belt B to the base paper; the paper pressing assembly includes a conveyor belt C, the middle of which is densely covered with vent holes C and the two sides of which are densely covered with negative pressure holes C, and an opening control component is provided in the negative pressure holes C; the conveyor belt C has an inclined part corresponding to the conveyor belt B and a horizontal part corresponding to the conveyor belt A, and the conveyor belt C has a pressing structure that presses its upper horizontal part against the conveyor belt A; The opening control component includes a housing with a vent groove and through grooves A distributed on both sides of the vent groove. The grooves A are connected to the vent groove via grooves B. A square tube with its upper end closed slides inside the groove A. The wall of the square tube has a movable groove corresponding to the groove B and a baffle D that covers the movable groove is slidably provided. An inclined plate is provided inside the square tube. A baffle E that cooperates with the inclined plate slides horizontally inside the groove B. The baffle E is located below the inclined plate and is slidably connected to the baffle D. The baffle E is connected to the baffle D via a leaf spring. A spring B is provided inside the housing to disengage the inclined plate from the baffle E.

2. The fully automatic paper mounting machine according to claim 1, characterized in that, The conveyor belt A is mounted on two conveyor rollers A. The conveyor rollers A are mounted on a support via roller shafts A. The roller shafts A are connected to the output shaft of the motor A on the support. A pair of baffles A are installed on each side of the conveyor belt A. Each pair of baffles A and the conveyor belt A form a negative pressure space that communicates with the corresponding negative pressure hole A. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe A. Each pair of baffles A is connected by a bushing A fitted onto the roller shaft A. Several support rollers A that support the working surface of the conveyor belt A are installed between the two pairs of baffles A.

3. The fully automatic paper mounting machine according to claim 1, characterized in that, Above the conveyor belt B is an upper paper box for stacking paper sheets. The bottom front end of the upper paper box slopes downward and has a paper outlet.

4. The fully automatic paper mounting machine according to claim 3, characterized in that, The conveyor belt B is mounted on two conveyor rollers B, which are mounted on a support via roller shafts B. The roller shafts B are connected to the output shaft of a motor B on the support. A pair of baffles B are installed on each side of the conveyor belt B. Each pair of baffles B and the conveyor belt B form a negative pressure space that communicates with the corresponding negative pressure hole B. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe B. Each pair of baffles B is connected by a bushing B fitted onto the roller shaft B. Several support rollers B that support the working surface of the conveyor belt B are installed between the two pairs of baffles B. Each pair of baffles B is provided with an air supply pipe. The top of the air supply pipe has several air supply holes that supply air into the corresponding negative pressure space and are distributed along the axial direction of the roller shaft B. The air supply holes are opposite to the rear half of the paper outlet.

5. The fully automatic paper mounting machine according to claim 4, characterized in that, The conveyor belt C is mounted on two conveyor rollers C. The conveyor rollers C are mounted on a support via roller shafts C. The roller shafts C are connected to the output shaft of a motor C on the support. A pair of baffles C are installed on each side of the conveyor belt C. Each pair of baffles C and the conveyor belt C form a negative pressure space that communicates with the corresponding negative pressure hole C. The negative pressure space is connected to a negative pressure pump via a negative pressure pipe C. Each pair of baffles C is connected by a bushing C fitted onto the roller shaft C. Between the two pairs of baffles C, several support rollers C that support the inclined working surface of the conveyor belt C and several fixed shafts corresponding to the horizontal working surface of the conveyor belt C are installed. Rollers that support the horizontal working surface of the conveyor belt C are fitted onto the fixed shafts. The inner sides of the two ends of the rollers are connected to the fixed shafts via three circumferentially evenly distributed springs A.

6. The fully automatic paper mounting machine according to claim 5, characterized in that, The baffle A is connected to the dovetail strip inside the conveyor belt A via a dovetail groove, the baffle B is connected to the dovetail strip inside the conveyor belt B via a dovetail groove, and the baffle C is connected to the dovetail strip inside the conveyor belt C via a dovetail groove.

7. The fully automatic paper mounting machine according to claim 1, characterized in that, The two square tubes in the opening control assembly are integrally connected by a ring plate A, and the ring plate A is connected to the ring plate B inside the housing by a spring B.

8. The fully automatic paper mounting machine according to claim 1, characterized in that, An adhesive applicator is provided between conveyor belt A and conveyor belt B, and the adhesive applicator is used to apply adhesive to the base paper on conveyor belt A.

9. The fully automatic paper mounting machine according to claim 1, characterized in that, At the end of the conveyor belt A, there is a separation plate that is flush with the working surface of the conveyor belt A. The separation plate is used to separate the base paper and face paper that have been pasted from the conveyor belt A.

10. A fully automatic paper mounting machine according to claim 1, characterized in that, The front end of the conveyor belt A is provided with a paper feeding assembly, which is used to transfer the base paper to the conveyor belt A in a flat and centered state. The paper feeding assembly includes a robotic arm, and a square plate is installed at the end of the robotic arm. Four negative pressure shells that move along their diagonals are slidably arranged on the lower surface of the plate. The negative pressure shells are driven by electric push rods. The inside of the negative pressure shells is connected to an air pump on the surface of the plate through a negative pressure pipe D. The lower end face of the negative pressure shells is densely covered with negative pressure holes D.

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