A paper product processing production line with heating and trimming functions

Abstract

The present invention relates to a paper product processing production line with heating and trimming functions. It solves the technical problem of low processing efficiency of existing production lines. A paper product processing production line with heating and trimming functions includes a reverse suction pulp forming machine, a forming machine, at least one forming machine, and the forming machine extrude and form the pulp; a mechanical transfer device, at least one mechanical transfer device and the paper product blank formed by the forming machine is obtained and transferred; a hot press, at least one hot press and the mechanical transfer device transfers the obtained paper product blank and releases it on the hot press, and the hot press performs over-heat pressing on the paper product blank; a trimming machine, the mechanical transfer device obtains the paper product blank after the hot pressing process and transfers and releases it to the trimming machine, and the trimming machine cuts off the remaining edges of the paper product blank. The present invention has the advantages of improving production and processing efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of plant fiber product processing, and in particular relates to a paper product processing production line with heating and trimming functions. Background Art

[0002] Plant fiber products are called pulp molded products, such as cup lids and containers, etc. Pulp molded products formed by extrusion and hot pressing need to have the reserved edges cut off. When cutting, special molds are generally used for edge cutting.

[0003] The current paper product production line has a long production line and unreasonable structure and distribution of each processing unit, resulting in low paper product processing efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a paper product processing production line with heating and trimming functions that can solve the above technical problems.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a paper product processing production line with heating and trimming functions comprises:

[0006] A molding machine, at least one molding machine, which extrudes the slurry into shape;

[0007] A mechanical transfer device, at least one mechanical transfer device is used to obtain and transfer the paper product blanks formed by the forming machine;

[0008] A heat press, at least one heat press and a mechanical transfer device transfers and releases the obtained paper product blanks on the heat press, and the heat press performs heat pressing on the paper product blanks;

[0009] The heat press is a commercial product.

[0010] The trimmer is a mechanical transfer device that takes the paper product blanks after hot pressing and transfers them to the trimmer, which cuts off the remaining edges of the paper product blanks.

[0011] The molding machine is a reverse suction slurry molding machine, which adopts reverse suction slurry and sequentially performs primary extrusion heating molding and secondary extrusion heating molding on the slurry.

[0012] Of course, the forming machine can also be a flip-type slurry suction forming machine, which belongs to the prior art.

[0013] The adsorption type transfer device obtains and transfers the paper products after the remaining edges are cut off by the trimming machine; the adsorption type transfer device is a transfer device with a linear module and a suction cup, that is, a structure in which a transverse guide rail or a screw rod cooperates to lift and lower the suction cup, which belongs to the prior art.

[0014] Pad printer, the suction cup transfer device transfers the obtained paper products and releases them on the pad printer, the pad printer prints the paper products, and finally produces the finished paper products

[0015] The pad printing machine is a commercial product.

[0016] Optimization scheme, the suction slurry forming machine, mechanical transfer device and trimming machine are located in the same straight line, the total number of the hot presses is 1-8, and the hot presses are distributed on any side of the suction slurry forming machine and / or mechanical transfer device in the same straight line.

[0017] According to the optimization scheme, the suction slurry forming machine, mechanical transfer device and trimming machine are located in the same straight line, the total number of the hot presses is 2-8, and the hot presses are distributed on both sides of the suction slurry forming machine and / or mechanical transfer device in the same straight line.

[0018] Optimization scheme, the suction slurry forming machine, mechanical transfer device, trimming machine and pad printing machine are located on the same straight line.

[0019] An optimization scheme, the inverted suction slurry forming machine includes a frame, a slurry box is provided on the frame and an opening is provided on the top of the slurry box, a lifting type inverted suction slurry mechanism is provided on the frame and is located above the opening of the slurry box, and the lifting type inverted suction slurry mechanism extends into the slurry box to absorb the slurry, a transfer mold is also provided on the frame and is horizontally slidably connected to the frame, and the transfer mold is connected to a translation driving mechanism, the translation driving mechanism drives the transfer mold to move below the lifting type inverted suction slurry mechanism and the lifting type inverted suction slurry mechanism descends so that the transfer mold and the lifting type inverted suction slurry mechanism perform a first extrusion molding on the absorbed slurry and prepare a first molded blank, a cleaning mechanism is connected to the transfer mold and can clean the lifting type inverted suction slurry mechanism before the transfer mold moves to the lifting type inverted suction slurry mechanism, an extrusion upper mold is also provided on the frame and the extrusion upper mold is connected to the lifting driving mechanism, and when the transfer mold moves below the extrusion upper mold, the lifting driving mechanism drives the extrusion upper mold to descend and contact the first molded blank absorbed on the transfer mold to perform a second extrusion molding.

[0020] According to the optimized solution, the transfer mold is fixed on the upper surface of the movable plate, the cleaning mechanism is a cantilever cleaning mechanism, and the suspended end of the cantilever cleaning mechanism is located at one side of the pulp box.

[0021] An optimized solution, the cleaning mechanism includes two cantilever blocks which are parallel to each other and one end of which is fixed on the opposite sides of the transfer mold, and a water collecting bucket whose two ends are respectively connected to the suspended ends of the two cantilever blocks. At least one horizontally arranged water outlet pipe is provided in the water collecting bucket and the water outlet pipe is arranged along the length direction of the water collecting bucket. One end of the water outlet pipe is closed, and the other end passes through the water collecting bucket and is connected to the high-pressure water supply terminal. A plurality of discretely arranged and vertically arranged water nozzles are provided on the upper side of the water outlet pipe.

[0022] An optimized solution is as follows: there are two water outlet pipes which are parallel to each other, and two rectangular end tubes whose two ends are closed, one end of the two water outlet pipes facing each other is connected to a rectangular end tube, and the other end of the two water outlet pipes facing each other is connected to another rectangular end tube, one of the rectangular end tubes is connected to a water inlet pipe, one of the rectangular end tubes is fixed to the upper surface of the suspended end of a cantilever block, and the other rectangular end tube is fixed to the upper surface of the suspended end of another cantilever block.

[0023] An optimized solution, the translation drive mechanism includes positioning plates fixed on both sides of the middle part of the frame, the two positioning plates are located on the same horizontal plane, guide rails and a plurality of sliders connected to each guide rail are provided on the upper surface of each positioning plate, the sliders are fixed on the lower surface of the moving plate, and limiting stops are provided at both ends of at least one positioning plate, the moving plate is located between the two limiting stops and the distance between the two limiting stops is greater than the length of the moving plate, and a servo translation drive device connected to the moving plate is provided on the positioning plate.

[0024] According to the optimized solution, a limiting stop point is respectively arranged at both ends of the upper surface of each positioning plate, and the limiting stop points arranged on each positioning plate are respectively located on the inner side of the guide rail arranged on the positioning plate.

[0025] An optimized solution is to provide two overflow baffles which are parallel to each other and arranged vertically in the pulp box. The vertical height of the overflow baffles is lower than the depth of the pulp box and the two overflow baffles divide the interior of the pulp box into a large central chamber and overflow chambers located on both sides of the large chamber. The pulp in the large chamber overflows into the overflow chamber through the top of the overflow baffle. One of the positioning plates is located on the upper side of one overflow chamber, and the other positioning plate is located on the upper side of the other overflow chamber.

[0026] According to the optimized solution, the inner side surfaces of the two positioning plates facing each other are flush with the inner surfaces of the two overflow baffles facing each other.

[0027] According to the optimized solution, each overflow chamber is connected to an overflow return pipe, and the large chamber is connected to a pulp inlet pipe and a discharge pipe. The overflow return pipe, pulp inlet pipe and discharge pipe are respectively connected to a circumferential surface of the pulp box.

[0028] Optimization scheme, the lifting type reverse suction slurry mechanism includes a slurry suction fixing plate fixed on the top of the frame, and a reverse suction slurry mold is connected to the bottom of the slurry suction fixing plate through a first guide structure, and the reverse suction slurry mold is connected to a servo motor through a screw transmission structure fixed on the slurry suction fixing plate.

[0029] The optimized solution is that the lifting drive mechanism includes an extrusion fixing plate fixed on the top of the frame, the extrusion upper die is connected to the extrusion fixing plate through a second guide structure and the extrusion upper die is located below the extrusion fixing plate, and the extrusion upper die is connected to servo motor 2 through a screw transmission structure 2 fixed on the upper surface of the extrusion fixing plate.

[0030] Optimization solution: the inverted suction slurry mold is an inverted suction slurry mold with heating function; the extrusion upper mold is an extrusion upper mold with heating function; and the transfer mold is a transfer mold with heating function.

[0031] The method of using the inverted suction slurry forming machine includes the following steps:

[0032] A. Pour the pulp slurry into the large chamber of the pulp box;

[0033] B. The inverted slurry mold extends downward into the large chamber to vacuum slurry, and then leaves the large chamber upward after slurry absorption;

[0034] C. The transfer mold is translated to the bottom of the inverted slurry mold and fixed, and the inverted slurry mold is downward so that the transfer mold and the inverted slurry mold perform the first extrusion molding on the adsorbed slurry and obtain the first molded blank, and the inverted slurry mold loses vacuum and the first molded blank remains on the transfer mold;

[0035] D. The inverted suction pulp mold is reset upward and the transfer mold is moved to just below the extrusion upper mold. When the transfer mold moves to just below the extrusion upper mold, the cleaning mechanism sprays water upward to clean the inverted suction pulp mold. The extrusion upper mold is driven downward by the lifting drive mechanism, and the extrusion upper mold and the transfer mold perform a second extrusion molding on the first molded blank. The extrusion upper mold is reset upward, that is, a paper product is produced on the transfer mold.

[0036] Preferably, in the above-mentioned step C, the transfer mold is a transfer mold with a heating function, and the inverted suction slurry mold is a inverted suction slurry mold with a heating function. The transfer mold with a heating function and the inverted suction slurry mold with a heating function can heat and dry the slurry and the first molded blank after molding at the same time.

[0037] Preferably, the extrusion upper die is an extrusion upper die with a heating function, and the extrusion upper die with a heating function and the transfer die with a heating function heat and dry the first formed blank at the same time.

[0038] Preferably, the mechanical transfer device comprises a robot and a transfer mold connected to the robot.

[0039] Preferably, the transfer mold includes a wet blank transfer mold and a product transfer mold, which are connected together by a number of connecting columns. At least one wet blank adsorption cavity is provided on a side of the wet blank transfer mold away from the product transfer mold, and a number of product adsorption surfaces equal to the wet blank adsorption cavity is provided on a side of the product transfer mold away from the wet blank transfer mold, and one wet blank adsorption cavity corresponds to one product adsorption surface.

[0040] Preferably, a suction cup group is provided on the periphery of each product adsorption surface, and each suction cup group is formed by a plurality of suction cups distributed in a circle, and the suction cup group is fixed on the product transfer mold.

[0041] Preferably, the wet blank transfer mold and the product transfer mold are spaced apart and are parallel to each other.

[0042] Furthermore, the wet blank transfer mold is a wet blank transfer concave mold, and the product transfer mold is a product transfer convex mold.

[0043] Furthermore, 1-12 wet blank adsorption recesses are provided on the side of the wet blank transfer mold away from the product transfer mold, and 1-12 product adsorption surfaces are provided on the side of the product transfer mold away from the wet blank transfer mold. The wet blank adsorption recesses and the product adsorption surfaces are distributed in one-to-one correspondence, and 1-12 suction cup groups are provided on the product transfer mold.

[0044] Furthermore, the wet blank transfer mold includes a bottom plate, on which 1-12 vacuum holes are provided, 1-12 wet blank molds are provided on a side of the bottom plate away from the product transfer mold and a vacuum hole is connected to an air chamber on a side of the wet blank mold close to the bottom plate, and the above-mentioned wet blank adsorption cavity is provided on a side of the wet blank mold away from the bottom plate, and each wet blank adsorption cavity is connected to an air chamber through a plurality of air-permeable holes.

[0045] Another wet blank transfer mold comprises a bottom plate, 1-12 vacuum holes are arranged on the bottom plate, a wet blank mold is arranged on the side of the bottom plate away from the product transfer mold, an air chamber equal in number to the vacuum holes is arranged on the side of the wet blank mold close to the bottom plate, and one air chamber is connected to one vacuum hole, and the above-mentioned wet blank adsorption recesses are arranged on the side of the wet blank mold away from the bottom plate, the number of the wet blank adsorption recesses is equal to the number of the air chambers, and each wet blank adsorption recess is connected to an air chamber through a plurality of air-permeable holes.

[0046] Furthermore, one end of each vacuum hole 1 away from the air chamber 1 is connected to a vacuum sub-pipe 1, and the vacuum sub-pipe 1 is connected in parallel to the vacuum main pipe 1.

[0047] Furthermore, the product transfer mold includes a bottom plate 2 close to the wet blank transfer mold, 1-12 vacuum holes 2 are arranged on the bottom plate 2, and a product mold with the same number of vacuum holes 2 as that on the side of the bottom plate 2 away from the wet blank transfer mold, an air chamber 2 is arranged on the side of each product mold close to the bottom plate 2, one vacuum hole 2 is connected to one air chamber 2, and the above-mentioned product adsorption surface is arranged on the side of the product mold away from the bottom plate 2, and a plurality of air permeable holes 2 whose inner ends are connected to the air chamber 2 are arranged on the product adsorption surface, and the outer ends of the air permeable holes 2 are connected to the outside world.

[0048] Another product transfer mold comprises a bottom plate 2 close to the wet blank transfer mold, 1-12 vacuum holes 2 are arranged on the bottom plate 2, a product mold is arranged on the side of the bottom plate 2 away from the wet blank transfer mold, and two air chambers equal in number to the two vacuum holes are arranged on the side of the product mold close to the bottom plate 2, the above-mentioned product adsorption surface is arranged on the side of the product mold away from the bottom plate 2, and a plurality of air permeable holes 2 are arranged on the product adsorption surface, whose inner ends are connected to the air chambers 2, and whose outer ends are connected to the outside.

[0049] Furthermore, the suction cup is disposed on the second bottom plate and the suction nozzle of the suction cup faces the side away from the wet blank transfer mold.

[0050] Furthermore, one end of each vacuum hole 2 away from the air chamber 2 is connected to a vacuum sub-tube 2, and the vacuum sub-tube 2 is connected in parallel to the vacuum main pipe 2.

[0051] Furthermore, a cantilever connecting plate is connected to the circumference of the wet blank transfer mold.

[0052] Furthermore, the trimming machine includes a main frame and further includes:

[0053] Punching equipment, located at the middle rear side of the main frame;

[0054] Punching die, installed on punching equipment;

[0055] A feeding line is used to carry unpunched paper and plastic products and convey the unpunched paper and plastic products to an output end of the feeding line;

[0056] The material transfer mechanism is located at the output end of the feeding line, and the material transfer mechanism supports the unpunched paper and plastic products output by the feeding line and moves them to an end away from the feeding line;

[0057] The lifting mechanism receives the unpunched paper and plastic products transferred by the material transfer mechanism, and lifts the unpunched paper and plastic products vertically upward to a set height position;

[0058] The material taking and placing robot reciprocates in the horizontal direction and is horizontally slidably connected to the main frame. The material taking and placing robot takes the unpunched paper and plastic products placed on the lifting mechanism and transfers them to the punching die;

[0059] The material collecting and releasing robot reciprocates in the horizontal direction and is horizontally slidably connected to the main frame. The material collecting and releasing robot simultaneously obtains the punched paper and plastic products and the punching waste and transfers them to the outside of the punching mold. The material collecting and releasing robot releases the punching waste and the paper and plastic products in sequence.

[0060] An optimized solution is provided with a transverse metal plate on the front side of the main frame, the material picking and placing robot is horizontally slidably connected to the transverse metal plate, the material collecting and placing robot is horizontally slidably connected to the transverse metal plate, the material picking and placing robot is provided with a material picking and placing magnetic levitation drive motor close to one side of the transverse metal plate, and the material collecting and placing robot is provided with a material collecting and placing magnetic levitation drive motor close to one side of the transverse metal plate.

[0061] An optimized solution, the material picking and placing robot comprises a material picking and placing sliding seat horizontally slidingly connected to a transverse metal plate, the material picking and placing sliding seat is cylindrical and vertically distributed, and an L-shaped material picking and placing rack, the vertical section of the L-shaped material picking and placing rack is vertically slidingly connected to the material picking and placing sliding seat, a plurality of material picking and placing suction cups are connected to the horizontal section of the L-shaped material picking and placing rack, and a material picking and placing lifting drive device connected to the lower end of the vertical section of the L-shaped material picking and placing rack is connected to the lower end of the material picking and placing sliding seat.

[0062] An optimized solution, wherein the transverse cross-section of the material picking and unloading sliding seat is C-shaped, a vertical guide plate 1 is provided at the opening of the material picking and unloading sliding seat, the vertical section of the L-shaped material picking and unloading rack is connected with an annular material picking and unloading sliding block, the annular material picking and unloading sliding block is sleeved on the vertical guide plate 1 and vertically slidably connected with the vertical guide plate 1, the material picking and unloading lifting drive device comprises a material picking and unloading servo motor fixed to the lower end of the material picking and unloading sliding seat, the material picking and unloading servo motor is connected to the annular material picking and unloading sliding block through a screw transmission structure 1, and the screw transmission structure 1 is located between the material picking and unloading sliding seat and the vertical guide plate 1.

[0063] An optimized solution, in which the material collecting and unloading robot comprises a material collecting and unloading sliding seat horizontally slidingly connected to a transverse metal plate, the material collecting and unloading sliding seat is cylindrical and vertically distributed, and an L-shaped material collecting and unloading rack, the vertical section of the L-shaped material collecting and unloading rack is vertically slidingly connected to the material collecting and unloading sliding seat, a number of product picking suction cups and a number of waste material picking suction cups are connected to the horizontal section of the L-shaped material collecting and unloading rack, and a material collecting and unloading lifting drive device connected to the lower end of the vertical section of the L-shaped material collecting and unloading rack is connected to the lower end of the material collecting and unloading sliding seat.

[0064] An optimized solution is that the transverse cross-section of the material receiving and unloading sliding seat is C-shaped, and a vertical guide plate 2 is provided at the opening of the material receiving and unloading sliding seat. The vertical section of the L-shaped material receiving and unloading frame is connected with an annular material receiving and unloading sliding block, which is sleeved on the vertical guide plate 2 and vertically slidably connected with the vertical guide plate 2. The material receiving and unloading lifting drive device includes a material receiving and unloading servo motor fixed at the lower end of the material receiving and unloading sliding seat, and the material receiving and unloading servo motor is connected to the annular material receiving and unloading sliding block through a screw transmission structure 2, and the screw transmission structure 2 is located between the material receiving and unloading sliding seat and the vertical guide plate 2.

[0065] Optimization solution: the punching and cutting equipment is any one of a punching machine and a hydraulic press; the feeding line is a belt-type feeding line.

[0066] The optimized solution is that the punching die includes a lower die plate, which is horizontally distributed and has at least one paper product positioning convex die on the upper surface of the lower die plate;

[0067] An upper knife frame is located directly above the lower template, and is provided with a product accommodating through hole 1 corresponding one-to-one to the paper product positioning convex mold;

[0068] The trimming tool is annular and is fixed on the upper knife frame through a detachable mechanism and is located outside the product accommodating through hole.

[0069] Optimization scheme, the detachable mechanism includes a cutter positioning groove arranged on the lower surface of the upper knife frame, and the trimming tool is installed in the cutter positioning groove, the blade of the trimming tool faces downward and is located below the lower notch of the cutter positioning groove.

[0070] According to an optimized solution, a plurality of arc-shaped through holes evenly distributed in a circumference are provided at the bottom of the cutting knife positioning groove, and a positioning portion for positioning the upper side of the trimming tool is formed between two adjacent arc-shaped through holes.

[0071] According to the optimized solution, the detachable mechanism further comprises a plurality of buckle slots arranged on the outer slot wall of the cutting knife positioning slot and evenly distributed in a circumference, and a detachable buckle installed in the buckle slot and resting against the outer wall of the trimming tool.

[0072] According to the optimized solution, the upper knife frame is also provided with an upper pad and an upper die base plate which are stacked and connected in sequence from bottom to top.

[0073] According to the optimized solution, the upper pad is provided with a second product accommodating through hole connected one by one with the product accommodating through hole, and at least one air permeable groove whose inner end is connected with the second product accommodating through hole is provided on the upper surface and / or the lower surface of the upper pad, and the outer end of the air permeable groove is connected with the outside.

[0074] The optimized solution is that the four corners of the lower template are respectively provided with guide sleeves, and the four corners of the upper knife frame are respectively provided with guide pillars whose lower ends are inserted into the guide sleeves one by one. The upper mold base plate drives the upper pad and the upper knife frame to rise and fall under the action of external force, and the guide pillars move up and down relative to the guide sleeves.

[0075] According to the optimized solution, at least one vertically arranged limit column is provided on the upper surface of the lower template, and a height is reserved between the top surface of the limit column and the lower surface of the upper knife frame for normal lifting and lowering of the upper knife frame.

[0076] According to the optimized solution, the lower surface of the lower mold plate is connected with a lower pad, and the lower surface of the lower pad is fixed to the lower mold base plate by a plurality of lower pads distributed at intervals.

[0077] According to the optimization scheme, the first axis centerline of the product accommodating through hole and the second axis centerline of the product accommodating through hole coincide with each other.

[0078] The optimized solution is that the material moving mechanism includes two material moving guide rails which are arranged on the main frame and located on one side of the punching and cutting equipment, and a material moving slide which is slidably connected to each material moving guide rail. A vertical cylinder and a lifting plate which is connected to the upper end of the telescopic rod of the vertical cylinder are respectively provided on each material moving slide. A fork material plate which is horizontally slidably connected to the lifting plate is provided on the lifting plate. A vertical baffle is provided on the upper surface of each fork material plate. A fork material cylinder which is connected to the fork material plate is provided on the lifting plate. The two fork material plates move synchronously and move toward each other to fork up the unpunched paper and plastic products placed on the feeding line. The two fork material plates move synchronously and move outward in opposite directions to release the unpunched paper and plastic products. The two material moving slides are connected to the same material moving drive device.

[0079] Optimization scheme, the lifting mechanism includes a vertical fixed plate fixed on the main frame, and an L-shaped lifting frame, the lower end of the L-shaped lifting frame is vertically slidably connected to the vertical fixed plate, the upper end of the L-shaped lifting frame is horizontally distributed and used to place unpunched paper and plastic products, and the lower end of the L-shaped lifting frame is connected to the lifting drive device.

[0080] Optimization scheme, the main frame is also provided with a paper and plastic product feeding line located on the other side of the punching and cutting device, and the paper and plastic product feeding line receives the paper and plastic products released by the material receiving and releasing robot and outputs them to the output end of the paper and plastic product feeding line;

[0081] And a waste collection box, which collects the waste released by the material collecting and releasing robot.

[0082] Compared with the existing technology, the advantages of a paper product processing production line with heating and trimming functions are:

[0083] Through reasonable production line layout and the design of suction pulp forming machine, trimming machine and transfer mold, production efficiency can be improved, as well as the production and processing quality of paper products, which can better meet the production requirements of the enterprise.

[0084] The production line layout is flexible and convenient, and it is very practical.

[0085] The material picking and placing robot and the material collecting and placing robot are designed to perform operations in intervals and steps. At the same time, the coordinated feeding line and material transfer mechanism can greatly improve production efficiency and meet large-scale production capacity requirements.

[0086] By performing primary and secondary extrusion heating on the forming machine, paper products with thinner walls can be directly obtained. Of course, for some thicker paper products, it can not only shorten the subsequent production cycle, but also improve production efficiency, invisibly reduce production costs, and better meet the current production requirements of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0087] Figure 1 It is a flowchart of the production line provided by the present invention.

[0088] Figure 2 This is a production line distribution schematic diagram provided by the present invention.

[0089] Figure 3 It is a side structural schematic diagram of the inverted suction slurry forming machine provided by the present invention.

[0090] Figure 4 It is a schematic diagram of the three-dimensional structure of the rear side of the inverted suction slurry forming machine provided by the present invention.

[0091] Figure 5 It is a schematic diagram of the three-dimensional structure of the reverse suction slurry forming machine provided by the present invention from another perspective.

[0092] Figure 6 It is a schematic diagram of the front three-dimensional structure of the reverse suction slurry forming machine provided by the present invention.

[0093] Figure 7 yes Figure 4 The enlarged structural diagram at a in FIG.

[0094] Figure 8 yes Figure 5 The enlarged structural diagram at point b in FIG.

[0095] Fig. 9 It is a schematic diagram of the three-dimensional structure of the transfer mold provided by the present invention.

[0096] Fig.10 It is a schematic diagram of the top view structure of the transfer mold provided by the present invention.

[0097] Fig.11 yes Fig.10 Schematic diagram of the cross-sectional structure along line AA.

[0098] Fig.12 yes Fig.11On the basis of the above, a structural diagram of the vacuum tube is added.

[0099] Fig.13 It is a schematic diagram of the structure of the third and fourth embodiments of the present invention.

[0100] Fig.14 It is a schematic diagram of the distribution state of the suction cup group of the simplified structure of the transfer mold provided by the present invention.

[0101] Fig.15 It is a schematic diagram of the side structure of the transfer mold provided by the present invention.

[0102] Fig.16 The figure is a schematic diagram of the three-dimensional structure of the edge trimming machine provided by the present invention.

[0103] Fig.17 It is a schematic structural diagram of the trimming machine provided by the present invention with the main frame removed.

[0104] Fig.18 It is a structural schematic diagram of the material transfer mechanism provided by the present invention.

[0105] Fig.19 It is a schematic diagram of the three-dimensional structure of the punching die provided by the present invention.

[0106] Fig. 20 It is a schematic diagram of the top view structure of the punching die provided by the present invention.

[0107] Fig.21 yes Fig. 20 Schematic diagram of the cross-sectional structure along the BB line in the punching die.

[0108] Fig. 22 The present invention provides a schematic diagram of the side view structure of the punching die.

[0109] Fig.23 The present invention provides Fig.21 Enlarged structural diagram of point g in the punching die.

[0110] Fig.24 It is a schematic structural diagram of the punching die provided by the present invention after removing the upper die base plate.

[0111] Fig.25 It is a schematic structural diagram of the exploded state of the lower template and the upper knife frame of the punching die provided by the present invention.

[0112] Fig.26 It is a schematic diagram of the upper knife frame structure provided by the present invention.

[0113] Fig. 27 It is a schematic diagram of the structure in which the paper product provided by the present invention is placed in a punching die. DETAILED DESCRIPTION

[0114] The following are specific embodiments of the invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0115] Embodiment 1

[0116] like Figure 1 and Figure 2 As shown, the paper product processing production line with heating and trimming functions comprises: a forming machine 01, at least one forming machine, the forming machine performs extrusion forming on the slurry, further, the forming machine is a reverse suction slurry forming machine, the reverse suction slurry forming machine uses reverse suction slurry and performs primary extrusion heating forming and secondary extrusion heating forming on the slurry in sequence;

[0117] Mechanical transfer device 02, at least one mechanical transfer device is used to obtain and transfer the paper product blank formed by the reverse suction pulp forming machine;

[0118] Hot press 03, at least one hot press and a mechanical transfer device transfers and releases the obtained paper product blanks on the hot press, and the hot press performs overheating on the paper product blanks;

[0119] Edge trimmer 04: The mechanical transfer device takes the paper product blank after the hot pressing process and transfers it to the edge trimmer, which cuts off the remaining edge of the paper product blank;

[0120] Adsorption transfer device 05, which takes and transfers the paper products after the trimming machine trims the remaining edges;

[0121] Pad printer 06, the suction cup transfer device transfers the obtained paper products and releases them on the pad printer, and the pad printer prints the paper products to finally produce finished paper products.

[0122] like Figure 3-8 As shown, the specific structure of the inverted suction slurry forming machine is as follows:

[0123] The machine comprises a frame A1, which is a frame-type frame made of metal pipes.

[0124] A pulp box A2 is provided on the frame A1 and an opening is provided on the top of the pulp box A2. Preferably, the pulp box A2 in the present application is arranged at the lower rear end of the frame A1. Lowering the position of the pulp box A2 can maximize the use of the existing internal space of the frame.

[0125] Secondly, two overflow baffles A20 which are parallel to each other and arranged vertically are provided in the pulp box A2. The vertical height of the overflow baffle A20 is lower than the depth of the pulp box A2 and the two overflow baffles divide the interior of the pulp box A2 into a large central chamber and overflow chambers on both sides of the large chamber. The large chamber is a square chamber, and the overflow chambers on both sides are rectangular chambers. The square chamber can facilitate the insertion of the inverted suction pulp mold to absorb the pulp, and the designed overflow chamber can overflow the overflowed pulp when the inverted suction pulp mold is extended into the large chamber, avoiding overflow to the ground and polluting the working environment. At the same time, the overflow chamber can recycle the overflowed pulp, which is energy-saving and environmentally friendly. At the same time, an inner convex edge is provided at the opening of the pulp box A2, and the inner convex edge can form a barrier to limit the shaking pulp.

[0126] The lower side of the overflow baffle A20 is sealed to the inner bottom of the pulp box A2, and the two ends of the overflow baffle A20 are sealed to the inner surface of the pulp box A2. They can be welded or sealed with sealing strips, and then the overflow baffle A20 is fixed with bolts.

[0127] Secondly, the overflow baffle A20 is made of stainless steel plate. Meanwhile, the slurry box A2 can also be made of stainless steel material so that the same material can be easily welded.

[0128] The pulp in the large chamber overflows into the overflow chamber through the top of the overflow partition A20. This overflow can form the recycling of pulp slurry.

[0129] Each overflow chamber is connected to an overflow return pipe A21, the large chamber is connected to a pulp inlet pipe A22 and a discharge pipe A23, and the overflow return pipe A21 is connected to a recovery pipe, which recovers pulp slurry from the open port to the pulp box.

[0130] Of course, the recovery pipe can be connected in parallel to the slurry inlet pipe A22, and then a control valve can be installed on the recovery pipe to control whether slurry recovery is required.

[0131] The overflow return pipe A21, the slurry inlet pipe A22 and the discharge pipe A23 are respectively connected to a surface of the slurry box A2 in the circumferential direction. In the most preferred solution, the overflow return pipe A21, the slurry inlet pipe A22 and the discharge pipe A23 are respectively connected to the surface of the rear side of the slurry box A2. This structure can centrally arrange the pipelines to the greatest extent.

[0132] A lifting type reverse suction slurry mechanism A3 is provided on the frame A1 and is located above the opening of the slurry box A2. The lifting type reverse suction slurry mechanism A3 extends into the slurry box to absorb the slurry. Specifically, the lifting type reverse suction slurry mechanism A3 includes a slurry suction fixing plate A30 fixed on the top of the frame A1, and a reverse suction slurry mold A31 is connected to the lower part of the slurry suction fixing plate A30 through a first guide structure. The reverse suction slurry mold A31 is connected to a servo motor A32 through a screw transmission structure fixed on the slurry suction fixing plate A30.

[0133] The first guide structure includes four guide screw sleeves 1 fixed on the slurry suction fixing plate A30, and a guide rod 1 inserted in each guide screw sleeve 1, the lower end of the guide rod 1 is connected to the inverted suction slurry mold A31, the four guide screw sleeves 1 are distributed in a rectangular shape, and the screw transmission structure 1 is located in the central area of ​​the four guide screw sleeves 1. Furthermore, the screw transmission structure 1 includes a fixed cylinder fixed on the upper surface of the slurry suction fixing plate A30, and a screw sleeve arranged in the fixed cylinder and threadedly connected to the fixed cylinder, and a screw rod inserted in the screw sleeve, the lower end of the screw rod passes through the slurry suction fixing plate A30 and is rotatably connected to the inverted suction slurry mold A31, for example, the rotatable connection is achieved by using a bearing.

[0134] A transfer mold A4 is also provided on the frame A1 and is horizontally slidably connected to the frame A1. The transfer mold A4 is connected to the translation drive mechanism. The transfer mold A4 is fixed on the upper surface of the movable plate A40. The translation drive mechanism drives the transfer mold A4 to move below the lifting type reverse suction slurry mechanism A3 and the lifting type reverse suction slurry mechanism A3 descends so that the transfer mold A4 and the lifting type reverse suction slurry mechanism A3 perform the first extrusion molding on the adsorbed slurry and produce the first molded blank.

[0135] Specifically, the translation drive mechanism includes a positioning plate A10 fixed on both sides of the middle part of the frame A1, the two positioning plates A10 are located on the same horizontal plane, and a space is reserved between the two positioning plates A10 for the lifting type reverse suction slurry mechanism to descend and enter. A guide rail A11 is provided on the upper surface of each positioning plate A10. Specifically, a strip positioning block is provided on the upper surface of each positioning plate A10, and the strip positioning blocks are distributed along the length direction of the positioning plate A10. At the same time, the strip positioning blocks are fixed to the positioning plate A10 by bolts.

[0136] Secondly, the strip-shaped positioning block is located in the middle of the upper surface of the positioning plate A10, and the transverse cross-section of the strip-shaped positioning block is an inverted T-shaped structure to facilitate installation and fixation.

[0137] And a plurality of sliders A12 connected to each guide rail A11, the sliders A12 are fixed on the lower surface of the movable plate A40, and limiting stops A13 are respectively provided at both ends of at least one positioning plate A10, the movable plate A40 is located between the two limiting stops A13 and the distance between the two limiting stops A13 is greater than the length of the movable plate A40, and a servo translation drive device A14 connected to the movable plate A40 is provided on the positioning plate A10.

[0138] The servo translation drive device A14 includes two driving screws and a driving screw sleeve mounted on each driving screw, one of which is installed on a positioning plate A10, and the other driving screw is installed on another positioning plate A10, one of which is fixed on one side of the lower surface of the moving plate A40, and the other is fixed on the other side of the lower surface of the moving plate A40, and the one side of the lower surface of the moving plate A40 and the other side of the lower surface of the moving plate A40 are relatively distributed.

[0139] Each driving screw rod is connected to the driving motor through a belt transmission structure. The belt transmission structure is a synchronous belt transmission structure. A rectangular hole for the belt transmission structure to penetrate is provided at one end of each positioning plate A10.

[0140] A limit stop point A13 is provided at both ends of the upper surface of each positioning plate A10, and the limit stop points A13 provided on each positioning plate A10 are respectively located on the inner side of the guide rail A11 provided on the positioning plate A10. The four limit stop points A13 can form two groups of limit detection, which can ensure the reliability of the machine operation.

[0141] Each limit stop point A13 includes an L-shaped mounting block and a position sensor mounted on the L-shaped mounting block, and the position sensors are horizontally distributed.

[0142] One of the positioning plates A10 is located on the upper side of one overflow chamber, and the other positioning plate A10 is located on the upper side of another overflow chamber.

[0143] In addition, the inner sides of the two positioning plates A10 facing each other are flush with the inner surfaces of the two overflow partitions A20 facing each other. The flush design can form a barrier to prevent the overflow of pulp from forming large waves and splashing outside the pulp box.

[0144] A cleaning mechanism A5 is connected to the transfer mold A4 and can clean the lifting type inverted suction slurry mechanism A3 before the transfer mold A4 moves to the lifting type inverted suction slurry mechanism A3. Preferably, the cleaning mechanism A5 of this embodiment is a cantilever cleaning mechanism and the suspended end of the cantilever cleaning mechanism is located on one side of the slurry box A2.

[0145] The cantilever cleaning mechanism can effectively utilize the existing space and further make the machine structure more compact.

[0146] Specifically, the cleaning mechanism A5 of this embodiment includes two cantilever blocks A50 which are parallel to each other and one end of which is fixed on the opposite sides of the transfer mold A4, and a water collecting bucket A51 whose two ends are respectively connected to the suspended ends of the two cantilever blocks A50. The water collecting bucket A51 discharges and recycles the collected cleaning materials through the discharge pipe body at the bottom.

[0147] The water collecting bucket A51 is a rectangular structure. The bottom of the water collecting bucket A51 is provided with a bottom surface one and inclined diversion slopes arranged on both sides of the bottom surface one. The inclined diversion slope is formed by connecting multiple sections of inclined surfaces connected in sequence. The inclined slope can form a diversion for the collected cleaning materials to avoid them being retained on the inner wall.

[0148] At least one horizontally arranged water outlet pipe A52 is provided in the water collecting bucket A51 and is arranged along the length direction of the water collecting bucket A51. The water outlet pipe A52 is located above the bottom surface and is located at half the depth of the water collecting bucket A51. One end of the water outlet pipe A52 is closed, and the other end passes through the water collecting bucket A51 and is connected to the high-pressure water supply terminal. The high-pressure water supply terminal includes a water supply pipe and a high-pressure pump connected to the water supply pipe, and the water supply pipe is connected to a water source box. A plurality of discretely arranged and vertically arranged water nozzles A53 are provided on the upper side of the water outlet pipe A52.

[0149] The water spray nozzle A53 has either a high-pressure nozzle or a low-pressure nozzle.

[0150] There are two water outlet pipes A52 which are parallel to each other, and two rectangular end tubes and both ends of the rectangular end tube A54 are closed. One end of the two water outlet pipes A52 facing each other is connected to a rectangular end tube A54, and the other end of the two water outlet pipes A52 facing each other is connected to another rectangular end tube. One of the rectangular end tubes is connected to a water inlet pipe A55, one of the rectangular end tubes is fixed to the upper surface of the suspended end of a cantilever block A50, and the other rectangular end tube is fixed to the upper surface of the suspended end of another cantilever block A50.

[0151] A positioning plane is provided on the upper surface of the suspended end of the cantilever block A50, and the rectangular end tube is fixed on the positioning plane, which can ensure the stability of the installation and fixation of the rectangular end tube, and can further improve the reliability of the fixation of the water collecting bucket A51.

[0152] This structure can improve the stability of the overall structure, facilitate the installation, manufacturing and processing of the overall structure, and further improve the cleaning efficiency.

[0153] An extrusion upper mold A6 is also provided on the frame A1 and is connected to a lifting drive mechanism. When the transfer mold A4 moves below the extrusion upper mold A6, the lifting drive mechanism drives the extrusion upper mold A6 to descend and contact the first molded blank adsorbed onto the transfer mold A4 to perform a second extrusion molding.

[0154] Specifically, the lifting drive mechanism includes an extrusion fixed plate A61 fixed on the top of the frame A1, the extrusion upper mold A6 is connected to the extrusion fixed plate A61 through a second guide structure and the extrusion upper mold A6 is located below the extrusion fixed plate A61, and the extrusion upper mold A6 is connected to the servo motor 2 A62 through a screw transmission structure 2 fixed on the upper surface of the extrusion fixed plate A61.

[0155] The structure of the screw transmission structure 2 is the same as that of the screw transmission structure 1.

[0156] Furthermore, the extrusion upper mold A6 is an extrusion upper mold with a heating function; the transfer mold A4 is a transfer mold with a heating function.

[0157] The heating function is realized by electric heating or steam heating, for example, electric heating rods and / or steam heating pipes.

[0158] The following is an introduction to the use of this inverted suction slurry forming machine:

[0159] The method of use includes the following steps:

[0160] A. Pour the pulp slurry into the large chamber of the pulp box;

[0161] B. The reverse suction slurry mold A31 extends downward into the large chamber to vacuum slurry, and then leaves the large chamber upward after slurry absorption;

[0162] C. The transfer mold A4 is translated to the bottom of the reverse suction slurry mold A31 and fixed. The reverse suction slurry mold A31 is downward so that the transfer mold A4 and the reverse suction slurry mold A31 perform the first extrusion molding on the adsorbed slurry and produce the first molded blank. The reverse suction slurry mold A31 loses vacuum and the first molded blank remains on the transfer mold A4.

[0163] D. The inverted suction pulp mold A31 is reset upward and the transfer mold A4 is moved to directly below the extrusion upper mold A6. When the transfer mold A4 is moved to directly below the extrusion upper mold A6, the cleaning mechanism sprays water upward to clean the inverted suction pulp mold A31. The extrusion upper mold A6 is driven downward by the lifting drive mechanism, and the extrusion upper mold A6 and the transfer mold A4 perform a second extrusion molding on the first-molded blank. The extrusion upper mold A6 is reset upward, that is, a paper product is produced on the transfer mold A4.

[0164] In the above step C, the inverted suction slurry mold A31 is an inverted suction slurry mold with a heating function, and the transfer mold with a heating function heats and dries the slurry and the first molded blank after molding.

[0165] The extrusion upper die A6 is an extrusion upper die with a heating function. The extrusion upper die with a heating function and the transfer die with a heating function heat and dry the first formed blank at the same time.

[0166] like Figure 1 As shown, the mechanical transfer device includes a robot B and a transfer mold C connected to the robot B. Further, as Figure 9-13 and Fig.15 As shown, the transfer mold C includes a wet blank transfer mold C1 and a product transfer mold C2, and the wet blank transfer mold C1 and the product transfer mold C2 are connected together through a plurality of connecting columns C3.

[0167] Furthermore, there are four connecting columns C3 in the present application and they are distributed at four opposite corners of the wet blank transfer mold C1 and the product transfer mold C2.

[0168] The connecting column C3 is connected to the wet blank transfer mold C1 and the product transfer mold C2 by means of threads or the like.

[0169] The wet blank transfer mold C1 and the product transfer mold C2 are spaced apart and are parallel to each other.

[0170] The wet blank transfer mold C1 is used to obtain the wet blank for pulp pressing;

[0171] The product transfer mold C2 is used to obtain the pulp pressing product.

[0172] A cantilever connecting plate C4 is connected to the wet blank transfer mold C1 in the circumferential direction. The cantilever connecting plate C4 is connected to a robot, which enables the wet blank transfer mold C1 to obtain pulp pressed wet blanks and release pulp pressed wet blanks, and enables the product transfer mold C2 to obtain pulp pressed products and release pulp pressed products.

[0173] Obtaining wet pulp pressing blanks and obtaining pulp pressing products are asynchronous actions.

[0174] Furthermore, the wet blank transfer mold C1 in the present application is a wet blank transfer concave mold, and the product transfer mold C2 is a product transfer convex mold.

[0175] The wet blank transfer die enlarges the contact surface with the wet blank and can ensure the integrity of the wet blank.

[0176] At least one wet blank adsorption cavity C10 is provided on the side of the wet blank transfer mold C1 away from the product transfer mold C2, and a number of product adsorption surfaces C20 equal to the wet blank adsorption cavity C10 are provided on the side of the product transfer mold C2 away from the wet blank transfer mold C1, one wet blank adsorption cavity C10 corresponds to one product adsorption surface C20, a suction cup group Ca is provided on the periphery of each product adsorption surface C20, and each suction cup group Ca is formed by a plurality of suction cups C5 distributed in a circle, and the suction cup group Ca is fixed on the product transfer mold C2. The suction cup C5 is used to adsorb waste.

[0177] On the side of the wet blank transfer mold C1 away from the product transfer mold C2, 1-12 wet blank adsorption pockets C10 are provided. Of course, the number of wet blank adsorption pockets C10 can be more, for example, 11-20. The number of wet blank adsorption pockets C10 is set according to the diameter of the pulp product.

[0178] On one side of the product transfer mold C2 away from the wet blank transfer mold C1, 1-12 product adsorption surfaces C20 are provided. The number of product adsorption surfaces C20 can be greater, for example, 11-20. The number of product adsorption surfaces C20 is set according to the diameter of the pulp product.

[0179] The wet blank adsorption cavity C10 and the product adsorption surface C20 are distributed in one-to-one correspondence, which is convenient for complete set design and also convenient for uniform distribution of the center of gravity.

[0180] 1 to 12 suction cup groups Ca are provided on the product transfer mold C2.

[0181] Furthermore, the wet blank transfer mold C1 includes a bottom plate C11, on which 1-12 vacuum holes C12 are provided, on a side of the bottom plate C11 away from the product transfer mold C2, 1-12 wet blank molds C13 are provided, and one vacuum hole C12 is connected to an air chamber C14 on a side of the wet blank mold C13 close to the bottom plate C11, and on a side of the wet blank mold C13 away from the bottom plate C11, the above-mentioned wet blank adsorption cavity C10 is provided, and each wet blank adsorption cavity C10 is connected to an air chamber C14 through a plurality of air-permeable holes C15.

[0182] The wet blank mold C13 is sealed to the bottom plate C11 through a hard seal or a soft seal. Meanwhile, the wet blank mold C13 is fixed to the bottom plate C11 through bolts.

[0183] Each vacuum hole C12 is connected to a vacuum sub-pipe C16 at one end away from the air chamber C14, and the vacuum sub-pipe C16 is connected in parallel to a vacuum main pipe C17. The vacuum main pipe C17 is connected to a vacuum pump.

[0184] Furthermore, the product transfer mold C2 includes a bottom plate C21 close to the wet blank transfer mold C1, 1-12 vacuum holes C22 are provided on the bottom plate C21, and a product mold C23 with the same number of vacuum holes C22 as that of the bottom plate C21 on a side away from the wet blank transfer mold C1, an air chamber C24 is provided on a side of each product mold C23 close to the bottom plate C21, one vacuum hole C22 is connected to one air chamber C24, the above-mentioned product adsorption surface C20 is provided on a side of the product mold C23 away from the bottom plate C21, and a plurality of air permeable holes C25 whose inner ends are connected to the air chamber C24 are provided on the product adsorption surface C20, and the outer ends of the air permeable holes C25 are connected to the outside.

[0185] The product mold C23 is sealed and connected to the second bottom plate C21 through a hard seal or a soft seal. At the same time, the product mold C23 is fixed to the second bottom plate C21 through bolts.

[0186] The suction cup C5 is inserted on the second bottom plate C21 and the suction nozzle of the suction cup faces the side away from the wet blank transfer mold C1. The second bottom plate C21 is provided with a plurality of suction cup positioning holes, and the suction cup C5 is inserted into the suction cup positioning holes and the two are fixedly connected.

[0187] One end of each vacuum hole C22 away from the air chamber C24 is connected to a vacuum sub-pipe C26, and the vacuum sub-pipe C26 is connected in parallel to the vacuum main pipe C27.

[0188] The vacuum main pipe 2 C27 is connected to the vacuum pump 2.

[0189] By using a manipulator and configuring the transfer device of the present application, the wet blank can be obtained first, and then the product transfer mold C2 can be used to obtain the product, and then the wet blank can be released to the product processing station, which not only improves production efficiency, but also makes the structure of the transfer device more compact.

[0190] When obtaining the product, the waste is sucked away synchronously by a suction cup, which can improve the accuracy of the next molding process and avoid the reduction of product quality due to waste.

[0191] Secondly, installing the device on a robot reduces the cost.

[0192] In this embodiment, there are 6 wet blank molds C13 and they are distributed in two rows, with 3 wet blank molds C13 distributed in each row. The product molds C23 are also distributed in the same manner, and the suction cup groups are also distributed in the same manner.

[0193] like Figure 16-18 As shown, the trimming machine of the present application includes a main frame 1, the main frame 1 is a steel frame structure, and the main frame is a U-shaped structure when viewed from above.

[0194] The punching device 2 is located at the middle rear side of the main frame 1, that is, the punching device 2 is located in the opening of the U-shaped main frame 1. The punching device 2 and the main frame 1 are connected by a plurality of connecting bolts, which can further improve the connection stability between the two and avoid displacement of the main frame.

[0195] Next, the punching device 2 is any one of a punch press and a hydraulic press.

[0196] The punching die a is installed on the punching device 2. Specifically, Figure 19-27 As shown, the punching die a includes a lower template 10, which is horizontally distributed and has at least one paper product positioning convex mold 100 on the upper surface of the lower template 10; the number of paper product positioning convex molds 100 can be set according to actual production requirements, for example, 1-12, 9 are also acceptable.

[0197] The paper product positioning convex mold 100 matches the paper product opening to facilitate the placement of the paper product and to position the paper product.

[0198] The lower surface of the lower mold plate 10 is connected to a lower pad 60 , and the lower surface of the lower pad 60 is fixed on the lower mold base plate 80 through a plurality of lower pads 70 distributed at intervals.

[0199] The lower mold plate 10 and the lower pad plate 60 are connected by a plurality of connecting bolts. Meanwhile, the lower pad foot 70 and the lower pad plate 60 also adopt the above-mentioned method, and the lower mold base plate 80 is connected to the lower pad foot 70 by a plurality of long bolts.

[0200] There are three lower pads 70 in the present application, and two of them are distributed at both ends of the upper surface of the lower mold base plate 80, and the remaining one is located in the middle of the lower mold base plate 80.

[0201] The structure of the lower pad 60 and the lower pad foot 70 can suspend the entire structure and at the same time, can also play a certain shock-absorbing and buffering role.

[0202] Secondly, a plurality of lower notches are provided at intervals around the periphery of the lower die base plate 80 to facilitate the insertion of mounting screws and fixation on the hydraulic press or punch press.

[0203] The upper knife frame 20 is located directly above the lower template 10, and is provided with a product accommodating through hole 200 corresponding one-to-one to the paper product positioning convex mold; the shape of the product accommodating through hole 200 is set according to the actual product shape, and the product accommodating through hole 200 can be mainly used to make way for paper products and form circumferential restrictions at the same time.

[0204] The upper knife frame 20 is also provided with an upper pad 40 and an upper die base plate 50 which are stacked and connected in sequence from bottom to top.

[0205] The upper pad 40, the upper die base plate 50 and the upper knife frame 20 are connected and fixed by a plurality of long bolts. Secondly, the upper pad 40 is provided with a second product receiving through hole 400 which is in one-to-one communication with the first product receiving through hole 200, and the upper surface and / or the lower surface of the upper pad 40 is provided with at least one air-permeable groove 401 whose inner end is in communication with the second product receiving through hole 400, and whose outer end is in communication with the outside.

[0206] The axis center line 200 of the product receiving through hole 1 coincides with the axis center line 400 of the product receiving through hole 2, so as to prevent interference from causing the paper product to be placed in an inappropriate position.

[0207] The upper pad can play a role in shock absorption and buffering. At the same time, the designed product accommodating through hole 2400 can also make way for paper products and form circumferential restrictions. The air permeable groove 401 can prevent paper products from sticking to the mold. When the mold is completed trimming, since this air permeable groove 401 is connected to the outside world, negative pressure will be avoided here and the problem of product sticking to the mold will not occur.

[0208] In addition, a plurality of upper notches are provided on the outer edge of the upper die base plate 50, which can facilitate the insertion of mounting bolts and connection with the lifting head of a punching machine or a hydraulic press.

[0209] The trimming tool 30 is annular and is fixed to the upper knife frame 20 through a detachable mechanism and is located outside the product receiving through hole 1 200. The split design of the trimming tool and the upper knife frame 20 can not only reduce the tool use cost, but also improve the tool replacement efficiency.

[0210] When the punch press or hydraulic press is turned on, the upper die base plate 50, the upper pad plate 40 and the upper knife frame 20, as well as the trimming tool 30 installed on the upper knife frame 20, are driven to rise and fall. The trimming tool 30 contacts and cuts off the remaining edge of the paper product. At the same time, the blade of the trimming tool 30 contacts the annular plane of the paper product positioning punch 100, thereby achieving stable cutting and avoiding large burrs, and the trimmed product is more beautiful.

[0211] Preferably, the detachable mechanism includes a cutter positioning groove 201 arranged on the lower surface of the upper cutter frame 20, and the trimming tool 30 is installed in the cutter positioning groove 201, and the blade of the trimming tool 30 faces downward and is located below the lower notch of the cutter positioning groove 201.

[0212] A plurality of arc-shaped through holes 202 evenly distributed around the circumference are provided at the bottom of the cutter positioning groove 201 , and a positioning portion 203 for positioning the upper side of the trimming tool 30 is formed between two adjacent arc-shaped through holes 202 .

[0213] The arc-shaped through hole 202 is designed to facilitate the slotting process and at the same time, ensure that the tool is properly installed.

[0214] In addition, the detachable mechanism further includes a plurality of buckle notches 204 arranged on the outer groove wall of the cutter positioning groove 201 and evenly distributed around the circumference, and a detachable buckle 205 installed in the buckle notches 204 and resting against the outer wall of the trimming tool 30 .

[0215] The shape of the detachable buckle 205 matches the buckle slot 204 , and the detachable buckle 205 is fixed to the buckle slot 204 by screws.

[0216] The above structure facilitates the replacement and maintenance of the trimming tool 30 .

[0217] In addition, guide sleeves 101 are respectively provided at the four corners of the lower mold plate 10, and guide columns 206 are respectively provided at the four corners of the upper knife frame 20, and the lower ends are inserted into the guide sleeves 101 one by one. The upper mold base plate 50 drives the upper pad and the upper knife frame to rise and fall under the action of external force, and the guide columns 206 move up and down relative to the guide sleeves 101.

[0218] The guide pin 206 and the guide sleeve 101 cooperate with each other, and the positioning is accurate, and the product cutting edge size is more accurate.

[0219] At least one vertically arranged limiting column 102 is provided on the upper surface of the lower template 10 , and a height is reserved between the top surface of the limiting column 102 and the lower surface of the upper knife frame 20 for the upper knife frame 20 to be lifted and lowered normally.

[0220] The function of the limiting column 102 is to provide extreme protection for the trimming tool, thereby extending the service life of the tool.

[0221] Place the paper product on the paper product positioning convex mold 100 of the lower template 10;

[0222] During edge trimming, the upper knife frame 20 moves downwardly close to the lower template 10, and the edge trimming tool 30 contacts and cuts off the remaining edge of the paper product.

[0223] like Figure 16-18 As shown, it also includes:

[0224] The feeding line 3 is used to carry the unpunched paper and plastic products and convey the unpunched paper and plastic products to the output end of the feeding line 3. The feeding line 3 is a belt-type feeding line.

[0225] The material transfer mechanism 4 is located at the output end of the feeding line 3, and the material transfer mechanism 4 supports the unpunched paper and plastic products output by the feeding line 3 and moves them to the end away from the feeding line 3; the material transfer mechanism 4 includes two material transfer guide rails 41 arranged on the main frame 1 and located on one side of the punching device, and a material transfer slide 42 slidably connected to each material transfer guide rail 41, and each material transfer slide 42 is respectively provided with a vertical cylinder 43 and a lifting plate 44 connected to the upper end of the telescopic rod of the vertical cylinder 43. A fork plate 45 is provided on 44 and is horizontally slidably connected to the lifting plate 44. A vertical baffle 46 is provided on the upper surface of each fork plate 45. A fork cylinder 47 connected to the fork plate 45 is provided on the lifting plate 44. The two fork plates 45 act synchronously and move toward each other to fork the unpunched paper and plastic products placed on the feeding line 3. The two fork plates 45 act synchronously and move outward in opposite directions to release the unpunched paper and plastic products. The two material transfer slides 42 are connected to the same material transfer driving device.

[0226] The material transfer driving device comprises a driving arm whose two ends are respectively connected to the material transfer slide 42, the driving arm is horizontally slidably connected to the main frame, and a material transfer driving cylinder connected to the driving arm is arranged on the main frame.

[0227] The lifting mechanism 5 receives the unpunched paper and plastic products transferred by the material transfer mechanism 4 and lifts the unpunched paper and plastic products vertically upward to a set height. The material transfer driving device drives the material transfer slide 42 to move to the lifting mechanism 5 .

[0228] The lifting mechanism 5 includes a vertical fixing plate 51 fixed on the main frame 1, and an L-shaped lifting frame 52. The lower end of the L-shaped lifting frame 52 is vertically slidably connected to the vertical fixing plate 51, the upper end of the L-shaped lifting frame 52 is horizontally distributed and used to place unpunched paper and plastic products, and the lower end of the L-shaped lifting frame 52 is connected to the lifting drive device.

[0229] The lifting drive device includes a linear motor, which is connected to the lower end of the L-shaped lifting frame 52 through a screw drive. Of course, the lifting drive device can also be a cylinder or an oil cylinder.

[0230] The material taking and placing robot 6 reciprocates in the horizontal direction and is horizontally slidably connected to the main frame 1. The material taking and placing robot 6 takes the unpunched paper and plastic products placed on the lifting mechanism 5 and transfers them to the punching mold a.

[0231] The material collecting and releasing robot 7 reciprocates in the horizontal direction and is horizontally slidably connected to the main frame 1. The material collecting and releasing robot 7 simultaneously obtains the paper and plastic products after punching and the punching waste and transfers them to the outside of the punching mold a. The material collecting and releasing robot 7 releases the punching waste and the paper and plastic products in sequence.

[0232] A transverse metal plate 11 is provided on the front side of the main frame 1, the material picking and placing robot 6 is horizontally slidably connected to the transverse metal plate 11, the material collecting and placing robot 7 is horizontally slidably connected to the transverse metal plate 11, the material picking and placing robot 6 is provided with a material picking and placing magnetic levitation drive motor b close to one side of the transverse metal plate 11, and the material collecting and placing robot 7 is provided with a material collecting and placing magnetic levitation drive motor c close to one side of the transverse metal plate 11.

[0233] The material picking and placing magnetic levitation drive motor b and the material collecting and placing magnetic levitation drive motor c are both existing technologies and commercially available products. The movement and stopping of the material picking and placing robot 6 and the material collecting and placing robot 7 are achieved through the working principle of magnetic levitation.

[0234] Specifically, the material picking and placing robot 6 includes a material picking and placing sliding seat 61 which is horizontally slidably connected to the horizontal metal plate 11, two horizontal guide rails are provided on the horizontal metal plate 11, a horizontal slider 1 which is slidably connected to the two horizontal guide rails is provided on the material picking and placing sliding seat 61, the material picking and placing sliding seat 61 is cylindrical and vertically distributed, and an L-shaped material picking and placing rack 62, the vertical section of the L-shaped material picking and placing rack 62 is vertically slidably connected to the material picking and placing sliding seat 61, a plurality of material picking and placing suction cups 63 are connected to the horizontal section of the L-shaped material picking and placing rack 62, and a material picking and placing lifting drive device 64 connected to the lower end of the vertical section of the L-shaped material picking and placing rack 62 is connected to the lower end of the material picking and placing sliding seat 61.

[0235] Furthermore, the transverse cross-section of the material picking and unloading sliding seat 61 is C-shaped, and a vertical guide plate 65 is provided at the opening of the material picking and unloading sliding seat 61. The vertical section of the L-shaped material picking and unloading frame 62 is connected with an annular material picking and unloading slider 66. The annular material picking and unloading slider 66 is sleeved on the vertical guide plate 65 and vertically slidably connected with the vertical guide plate 65. The material picking and unloading lifting drive device 64 includes a material picking and unloading servo motor fixed to the lower end of the material picking and unloading sliding seat 61. The material picking and unloading servo motor is connected to the annular material picking and unloading slider 66 through a screw transmission structure, and the screw transmission structure is located between the material picking and unloading sliding seat 61 and the vertical guide plate 65.

[0236] Specifically, the material receiving and unloading robot 7 includes a material receiving and unloading sliding seat 71 which is horizontally slidably connected to the horizontal metal plate 11, and a horizontal sliding block 2 which is slidably connected to two horizontal guide rails is provided on the material receiving and unloading sliding seat 71. The material receiving and unloading sliding seat 71 is cylindrical and vertically distributed, and has an L-shaped material receiving and unloading rack 72. The vertical section of the L-shaped material receiving and unloading rack 72 is vertically slidably connected to the material receiving and unloading sliding seat 71, and a plurality of product picking suction cups 73 and a plurality of waste material picking suction cups 74 are connected to the horizontal section of the L-shaped material receiving and unloading rack 72. A material receiving and unloading lifting drive device 75 which is connected to the lower end of the vertical section of the L-shaped material receiving and unloading rack 72 is connected to the lower end of the material receiving and unloading sliding seat 71.

[0237] Furthermore, the transverse cross-section of the material receiving and unloading sliding seat 71 is C-shaped, and a vertical guide plate 2 76 is provided at the opening of the material receiving and unloading sliding seat 71. The vertical section of the L-shaped material receiving and unloading frame 72 is connected with an annular material receiving and unloading sliding block 77. The annular material receiving and unloading sliding block 77 is sleeved on the vertical guide plate 2 76 and vertically slidably connected with the vertical guide plate 2 76. The material receiving and unloading lifting drive device 75 includes a material receiving and unloading servo motor fixed at the lower end of the material receiving and unloading sliding seat 71. The material receiving and unloading servo motor is connected to the annular material receiving and unloading sliding block 77 through a screw transmission structure 2, and the screw transmission structure 2 is located between the material receiving and unloading sliding seat 71 and the vertical guide plate 2 76.

[0238] In addition, a paper and plastic product feeding line 8 is provided on the main frame 1 and is located on the other side of the punching device 2. The paper and plastic product feeding line 8 receives the paper and plastic products released by the material receiving and releasing robot 7 and outputs them to the output end of the paper and plastic product feeding line 8;

[0239] The paper and plastic product feeding line 8 is a belt conveyor line.

[0240] And a waste collection box 9, which collects the waste released by the material collecting and releasing robot 7.

[0241] The whole punching process is as follows:

[0242] S1. The unpunched paper-plastic product is placed on the feeding line 3, and the feeding line 3 conveys the unpunched paper-plastic product to the output end of the feeding line 3.

[0243] S2, the material transfer mechanism 4 picks up the unpunched paper and plastic products output by the feeding line 3 and transfers them to the lifting mechanism 5.

[0244] S3, the lifting mechanism 5 lifts the unpunched paper and plastic products to a set height to facilitate the material taking and placing robot 6 to take the materials.

[0245] S4, the material taking and placing robot 6 takes the unpunched paper-plastic product on the lifting mechanism 5 and transfers it to the punching die a.

[0246] S5. The punching die a cuts off the remaining edge of the unpunched paper-plastic product.

[0247] S6, the material collecting and releasing robot 7 obtains the punched paper-plastic product and the cut residual edge at the same time, and then releases the residual edge into the waste collection box 9, and the paper-plastic product is released on the paper-plastic product feeding line 8, completing the entire punching process.

[0248] Specifically, the present application includes one inverted suction slurry forming machine, one mechanical transfer device, 2-8 hot presses, one trimming machine, one adsorption transfer device, and 1-4 pad printing machines. The production line is arranged according to the above numbers to facilitate full utilization of space and maximize production efficiency. The following is a distribution method: the inverted suction slurry forming machine, mechanical transfer device and trimming machine are located in the same straight line, there are four hot presses, and the hot presses are distributed on both sides of the inverted suction slurry forming machine and / or mechanical transfer device in the same straight line.

[0249] The paper product blanks formed by the suction pulp forming machine are transferred to the hot press for hot pressing in sequence through a mechanical transfer device. After hot pressing, the mechanical transfer device transfers the hot pressed paper product to the trimming machine. After the trimming machine trims the paper, the trimmed paper product is transferred to the pad printer for printing through an adsorption transfer device, that is, the paper product processing is completed.

[0250] When there is one pad printing machine, the inverted suction pulp forming machine, the mechanical transfer device, the trimming machine and the pad printing machine are located on the same straight line.

[0251] Embodiment 2

[0252] The structure and principle of this embodiment are the same as those of Embodiment 1, except that the inverted suction slurry forming machine, mechanical transfer device and trimming machine are located on the same straight line, the total number of the hot presses is 1-8, and the hot presses are distributed on either side of the inverted suction slurry forming machine and / or mechanical transfer device on the same straight line.

[0253] Embodiment 3

[0254] The structure and principle of this embodiment are the same as those of the first embodiment, except that:

[0255] like Fig.14 As shown, the wet blank transfer mold C1 includes a base plate C11, on which 1-12 vacuum holes C12 are arranged, a wet blank mold C13 is arranged on the side of the base plate C11 away from the product transfer mold C2, an air chamber C14 equal in number to the vacuum holes C12 is arranged on the side of the wet blank mold C13 close to the base plate C11, and one air chamber C14 is connected to one vacuum hole C12, and the above-mentioned wet blank adsorption recesses C10 are arranged on the side of the wet blank mold C13 away from the base plate C11, the number of the wet blank adsorption recesses C10 is equal to the number of the air chambers C14, and each wet blank adsorption recess C10 is connected to an air chamber C14 through a plurality of air-permeable holes C15.

[0256] Embodiment 4

[0257] The structure and principle of this embodiment are the same as those of the first embodiment, except that:

[0258] like Fig.14 As shown, the product transfer mold C2 includes a bottom plate C21 close to the wet blank transfer mold C1, 1-12 vacuum holes C22 are arranged on the bottom plate C21, a product mold C23 is arranged on the side of the bottom plate C21 away from the wet blank transfer mold C1, air chambers C24 equal to the number of vacuum holes C22 are arranged on the side of the product mold C23 close to the bottom plate C21, the above-mentioned product adsorption surface is arranged on the side of the product mold C23 away from the bottom plate C21, and a plurality of air permeable holes C25 whose inner ends are connected to the air chambers C24 are arranged on the product adsorption surface, and the outer ends of the air permeable holes C25 are connected to the outside.

[0259] Embodiment 5

[0260] The structure and principle of this embodiment are the same as those of the first embodiment, except that:

[0261] When the number of pad printing machines is more than one, at least one pad printing machine may be distributed on one side or both sides of the adsorption transfer device.

[0262] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A paper product processing production line with heating and trimming functions, characterized in that: This production line includes: A molding machine, at least one molding machine, which performs extrusion molding on the slurry; the molding machine is a reverse suction slurry molding machine, which uses reverse suction slurry and performs primary extrusion heating molding and secondary extrusion heating molding on the slurry in sequence; A mechanical transfer device, at least one mechanical transfer device is used to obtain and transfer the paper product blank formed by the forming machine; the mechanical transfer device comprises a robot (B) and a transfer mold (C) connected to the robot (B); A heat press, at least one heat press and a mechanical transfer device transfers and releases the obtained paper product blanks on the heat press, and the heat press performs heat pressing on the paper product blanks; The trimming machine, a mechanical transfer device, takes the paper product blank after the hot pressing process and transfers it to the trimming machine, which cuts off the remaining edges of the paper product blank; The reverse suction slurry forming machine comprises a frame (A1), a slurry box (A2) is provided on the frame (A1), and the top of the slurry box (A2) is provided with an opening, a lifting reverse suction slurry mechanism (A3) is provided on the frame (A1) and is located above the opening of the slurry box (A2), and the lifting reverse suction slurry mechanism (A3) extends into the slurry box to absorb slurry, and a transfer mold (A4) is also provided on the frame (A1) and is horizontally slidably connected to the frame (A1), and the transfer mold (A4) is connected to a translation drive mechanism, and the translation drive mechanism drives the transfer mold (A4) to move below the lifting reverse suction slurry mechanism (A3) and the lifting reverse suction slurry mechanism (A3) descends, so that the transfer mold (A4) and the lifting reverse suction slurry mechanism (A3) perform a first operation on the absorbed slurry. The first extrusion molding is performed once to obtain a first molded blank. A cleaning mechanism (A5) is connected to the transfer mold (A4) and is capable of cleaning the lifting type reverse suction slurry mechanism (A3) before the transfer mold (A4) moves to the lifting type reverse suction slurry mechanism (A3). An extrusion upper mold (A6) is also provided on the frame (A1). The extrusion upper mold (A6) is connected to the lifting drive mechanism. When the transfer mold (A4) moves below the extrusion upper mold (A6), the lifting drive mechanism drives the extrusion upper mold (A6) to descend and contact the first molded blank adsorbed on the transfer mold (A4), thereby performing a second extrusion molding. The extrusion upper mold (A6) is an extrusion upper mold with a heating function. The transfer mold (A4) is a transfer mold with a heating function.

2. A paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The suction slurry forming machine, mechanical transfer device and trimming machine are located in the same straight line, the total number of the hot presses is 1-8, and the hot presses are distributed on any side of the suction slurry forming machine and / or mechanical transfer device in the same straight line.

3. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The suction slurry forming machine, mechanical transfer device and trimming machine are located in the same straight line, the total number of the hot presses is 2-8, and the hot presses are distributed on both sides of the suction slurry forming machine and / or mechanical transfer device in the same straight line.

4. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The transfer mold (A4) is fixed on the upper surface of the movable plate (A40), and the cleaning mechanism (A5) is a cantilever cleaning mechanism, and the suspended end of the cantilever cleaning mechanism is located on one side of the pulp box (A2).

5. A paper product processing production line with heating and trimming functions according to claim 4, characterized in that: The cleaning mechanism (A5) comprises two cantilever blocks (A50) which are parallel to each other and one end of which is fixed to opposite sides of the transfer mold (A4), and a water collecting bucket (A51) whose two ends are respectively connected to the suspended ends of the two cantilever blocks (A50). At least one horizontally arranged water outlet pipe (A52) is provided in the water collecting bucket (A51) and the water outlet pipe (A52) is arranged along the length direction of the water collecting bucket (A51). One end of the water outlet pipe (A52) is closed, and the other end passes through the water collecting bucket (A51) and is connected to the high-pressure water supply terminal. A plurality of discretely arranged and vertically arranged water spray nozzles (A53) are provided on the upper side of the water outlet pipe (A52).

6. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The translation drive mechanism comprises positioning plates (A10) fixed on both sides of the middle of a frame (A1), the two positioning plates (A10) being located on the same horizontal plane, a guide rail (A11) and a plurality of sliders (A12) connected to each guide rail (A11) being provided on the upper surface of each positioning plate (A10), the sliders (A12) being fixed on the lower surface of a movable plate (A40), limiting stop points (A13) being provided at both ends of at least one positioning plate (A10), the movable plate (A40) being located between the two limiting stop points (A13) and the distance between the two limiting stop points (A13) being greater than the length of the movable plate (A40), and a servo translation drive device (A14) connected to the movable plate (A40) being provided on the positioning plate (A10).

7. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The lifting type reverse suction slurry mechanism (A3) comprises a slurry suction fixing plate (A30) fixed on the top of the frame (A1), a reverse suction slurry mold (A31) is connected to the lower side of the slurry suction fixing plate (A30) via a first guide structure, and the reverse suction slurry mold (A31) is connected to a servo motor (A32) via a screw transmission structure 1 fixed on the slurry suction fixing plate (A30).

8. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The transfer mold (C) comprises a wet blank transfer mold and a product transfer mold, which are connected together by a plurality of connecting columns. At least one wet blank adsorption cavity is provided on a side of the wet blank transfer mold away from the product transfer mold, and a number of product adsorption surfaces equal to the number of wet blank adsorption cavity are provided on a side of the product transfer mold away from the wet blank transfer mold, and one wet blank adsorption cavity corresponds to one product adsorption surface.

9. According to the paper product processing production line with heating and trimming functions described in claim 8, a suction cup group is provided on the periphery of each product adsorption surface and each suction cup group is formed by a plurality of suction cups distributed in a circle, and the suction cup group is fixed on the product transfer mold.

10. A paper product processing production line with heating and trimming functions according to claim 9, characterized in that: The wet blank transfer mold comprises a bottom plate, on which 1-12 vacuum holes are arranged, on a side of the bottom plate away from the product transfer mold, 1-12 wet blank molds are arranged, and one vacuum hole is connected to an air chamber on a side of the wet blank mold close to the bottom plate, and on a side of the wet blank mold away from the bottom plate, the wet blank adsorption cavity is arranged, and each wet blank adsorption cavity is connected to an air chamber through a plurality of air permeable holes. The product transfer mold comprises a bottom plate 2 close to the wet blank transfer mold, on which 1-12 vacuum holes 2 are arranged, and a product mold having the same number as the vacuum holes 2 on a side of the bottom plate 2 away from the wet blank transfer mold, and an air chamber 2 is arranged on a side of each product mold close to the bottom plate 2, one vacuum hole 2 is connected to one air chamber 2, and the above-mentioned product adsorption surface is arranged on a side of the product mold away from the bottom plate 2, and a plurality of air permeable holes 2 whose inner ends are connected to the air chamber 2 are arranged on the product adsorption surface, and the outer ends of the air permeable holes 2 are connected to the outside world.

11. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: The trimming machine comprises a main frame (1), and further comprises: The punching device (2) is located at the middle rear side of the main frame (1); A punching die (a) is mounted on a punching device (2); A feeding line (3) is used to carry unpunched paper and plastic products and to convey the unpunched paper and plastic products to an output end of the feeding line (3); A material transfer mechanism (4) is located at the output end of the feeding line (3), and the material transfer mechanism (4) supports the unpunched paper and plastic products output by the feeding line (3) and moves them to an end away from the feeding line (3); The lifting mechanism (5) receives the unpunched paper and plastic products transferred by the material transfer mechanism (4) and lifts the unpunched paper and plastic products vertically upward to a set height position; The material taking and placing robot (6) reciprocates in the horizontal direction and is horizontally slidably connected to the main frame (1), and the material taking and placing robot (6) takes the unpunched paper and plastic product placed on the lifting mechanism (5) and transfers it to the punching mold (a); The material collecting and releasing robot (7) reciprocates in the horizontal direction and is horizontally slidably connected to the main frame (1). The material collecting and releasing robot (7) simultaneously obtains the punched paper and plastic products and the punching waste and transfers them to the outside of the punching die (a). The material collecting and releasing robot (7) releases the punching waste and the paper and plastic products in sequence.

12. A paper product processing production line with heating and trimming functions according to claim 11, characterized in that: A transverse metal plate (11) is provided on the front side of the main frame (1); the material picking and placing robot (6) is horizontally slidably connected to the transverse metal plate (11); the material collecting and placing robot (7) is horizontally slidably connected to the transverse metal plate (11); the material picking and placing robot (6) is provided with a material picking and placing magnetic suspension drive motor (b) close to one side of the transverse metal plate (11); and the material collecting and placing robot (7) is provided with a material collecting and placing magnetic suspension drive motor (c) close to one side of the transverse metal plate (11).

13. A paper product processing production line with heating and trimming functions according to claim 12, characterized in that: The material picking and placing robot (6) comprises a material picking and placing sliding seat (61) horizontally slidably connected to the transverse metal plate (11), the material picking and placing sliding seat (61) is cylindrical and vertically distributed, and an L-shaped material picking and placing frame (62), the vertical section of the L-shaped material picking and placing frame (62) is vertically slidably connected to the material picking and placing sliding seat (61), a plurality of material picking and placing suction cups (63) are connected to the horizontal section of the L-shaped material picking and placing frame (62), and a material picking and placing lifting drive device (64) connected to the lower end of the vertical section of the L-shaped material picking and placing frame (62) is connected to the lower end of the material picking and placing sliding seat (61).

14. A paper product processing production line with heating and trimming functions according to claim 13, characterized in that: The material picking and placing sliding seat (61) has a C-shaped transverse cross section, a vertical guide plate (65) is provided at the opening of the material picking and placing sliding seat (61), a vertical section of the L-shaped material picking and placing frame (62) is connected to an annular material picking and placing sliding block (66), the annular material picking and placing sliding block (66) is sleeved on the vertical guide plate (65) and is vertically slidably connected to the vertical guide plate (65), the material picking and placing lifting drive device (64) comprises a material picking and placing servo motor fixed to the lower end of the material picking and placing sliding seat (61), the material picking and placing servo motor is connected to the annular material picking and placing sliding block (66) via a screw transmission structure, and the screw transmission structure is located between the material picking and placing sliding seat (61) and the vertical guide plate (65).

15. The paper product processing production line with heating and trimming functions according to claim 12, characterized in that: The material collecting and unloading manipulator (7) comprises a material collecting and unloading sliding seat (71) horizontally slidably connected to the transverse metal plate (11), the material collecting and unloading sliding seat (71) is cylindrical and vertically distributed, and an L-shaped material collecting and unloading rack (72), the vertical section of the L-shaped material collecting and unloading rack (72) is vertically slidably connected to the material collecting and unloading sliding seat (71), a plurality of product picking suction cups (73) and a plurality of waste picking suction cups (74) are connected to the horizontal section of the L-shaped material collecting and unloading rack (72), and a material collecting and unloading lifting drive device (75) connected to the lower end of the vertical section of the L-shaped material collecting and unloading rack (72) is connected to the lower end of the material collecting and unloading sliding seat (71); the material collecting and unloading sliding seat (71) The transverse cross section is C-shaped, a second vertical guide plate (76) is provided at the opening of the material receiving and unloading sliding seat (71), a vertical section of the L-shaped material receiving and unloading frame (72) is connected to an annular material receiving and unloading sliding block (77), the annular material receiving and unloading sliding block (77) is sleeved on the second vertical guide plate (76) and is vertically slidably connected to the second vertical guide plate (76), and the material receiving and unloading lifting drive device (75) comprises a material receiving and unloading servo motor fixed to the lower end of the material receiving and unloading sliding seat (71), the material receiving and unloading servo motor is connected to the annular material receiving and unloading sliding block (77) through a second screw transmission structure, and the second screw transmission structure is located between the material receiving and unloading sliding seat (71) and the second vertical guide plate (76).

16. The paper product processing production line with heating and trimming functions according to claim 12, characterized in that: The material transfer mechanism (4) comprises two material transfer guide rails (41) arranged on the main frame (1) and located on one side of the punching and cutting device, and a material transfer slide (42) slidably connected to each material transfer guide rail (41), each material transfer slide (42) is provided with a vertical cylinder (43) and a lifting plate (44) connected to the upper end of the telescopic rod of the vertical cylinder (43), a material forking plate (45) is provided on the lifting plate (44) and is horizontally slidably connected to the lifting plate (44), a vertical baffle (46) is provided on the upper surface of each material forking plate (45), and a material forking cylinder (47) connected to the material forking plate (45) is provided on the lifting plate (44), the two material forking plates (45) act synchronously and move toward each other to fork the unpunched paper and plastic products placed on the feeding line (3), the two material forking plates (45) act synchronously and move outward in opposite directions to release the unpunched paper and plastic products, and the two material transfer slides (42) are connected to the same material transfer driving device.

17. The paper product processing production line with heating and trimming functions according to claim 12, characterized in that: The lifting mechanism (5) comprises a vertical fixing plate (51) fixed on the main frame (1), and an L-shaped lifting frame (52), the lower end of the L-shaped lifting frame (52) is vertically slidably connected to the vertical fixing plate (51), the upper end of the L-shaped lifting frame (52) is horizontally distributed and used for placing unpunched paper and plastic products, and the lower end of the L-shaped lifting frame (52) is connected to the lifting drive device.

18. The paper product processing production line with heating and trimming functions according to claim 12, characterized in that: The main frame (1) is also provided with a paper and plastic product feeding line (8) located on the other side of the punching device (2), and the paper and plastic product feeding line (8) receives the paper and plastic products released by the material collecting and releasing robot (7) and outputs them to the output end of the paper and plastic product feeding line (8); And a waste collection box (9), the waste collection box (9) collects the waste released by the material collecting and releasing robot (7).

19. The paper product processing production line with heating and trimming functions according to claim 1, characterized in that: This production line also includes: An adsorption transfer device, which takes and transfers the paper products after the remaining edges are cut off by the trimmer; Pad printing machine, the suction cup transfer device transfers the obtained paper products and releases them on the pad printing machine, the pad printing machine prints the paper products, and finally produces finished paper products.

20. The paper product processing production line with heating and trimming functions according to claim 19, characterized in that: The inverted suction pulp forming machine, the mechanical transfer device, the trimming machine and the pad printing machine are located on the same straight line.

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