CN115648714A - Octagonal laminated paper lunch box forming equipment - Google Patents

Abstract

The invention discloses octagonal laminated film paper meal box forming equipment, which belongs to the technical field of meal box forming and comprises a machine table, an upper rack, a paper stacking mechanism, a paper feeding mechanism, a mold feeding mechanism, a forming mechanism, a box stacking and collecting mechanism and a conveying belt; scraps of paper windrow mechanism, paper feeding mechanism, go up the rack, fold box and collect the mechanism and all set up on the board, forming mechanism with send mould mechanism to connect, send mould mechanism to set up go up on the rack, the conveyer belt sets up fold box and collect mechanism one side. According to the invention, through the arranged die feeding mechanism and the forming mechanism, the two sets of dies can be controlled to accurately displace through the servo motor, and then two different forming processes can be simultaneously completed by utilizing the two sets of dies, so that the production efficiency and the product quality are greatly improved, and the production cost is effectively controlled; meanwhile, the wrap angle assembly is arranged, so that wrap angle processing can be conveniently carried out when the paper box is formed, and the production efficiency is further improved.

Description

An octagonal coated paper lunch box forming equipment

technical field

The invention relates to the technical field of lunch box forming, in particular to an octagonal coated paper lunch box forming equipment.

Background technique

There are many types of lunch boxes. The common lunch boxes are: glass silicon, plastic, and iron. Plastic is divided into PC material and PP material. With the rapid development of composite material technology, coated paper lunch boxes came into being. Coated paper is a composite material that coats plastic particles on the surface of paper through a casting machine. The main feature is that this composite material can be oil-proof, waterproof, Can be heat sealed.

The existing octagonal coated paper lunch boxes are all made by single-mode thermoforming, and the corners of the lunch boxes are all single-cornered in turn, which is slow, inefficient, difficult to form, and has a high scrap rate, which greatly increases the production cost. . For this reason, a kind of octagonal coated paper lunch box forming equipment is proposed.

Contents of the invention

The technical problem to be solved by the present invention is: how to solve the problems of slow speed, low efficiency, and difficulty in molding existing in the forming process of the existing octagonal coated paper lunch box, and provides an octagonal coated paper lunch box forming equipment.

The present invention solves the above-mentioned technical problems through the following technical solutions. The present invention includes a machine platform, an upper frame, a paper stacking mechanism, a paper feeding mechanism, a mold feeding mechanism, a forming mechanism, a stacking box collecting mechanism, and a conveyor belt; The sheet stacking mechanism, the paper feeding mechanism, the upper platform, and the stacking box collection mechanism are all arranged on the machine table, the forming mechanism is connected with the mold feeding mechanism, and the mold feeding mechanism is arranged on the upper platform On the rack, the conveyor belt is arranged on one side of the stacking box collection mechanism;

The forming mechanism includes a first forming component and a second forming component, the first forming component and the second forming component are arranged side by side, and the paper sheet is pressed down and formed by the first forming component while corner wrapping is performed. , hot-press forming into the prototype of the octagonal paper lunch box, carry out hot-press molding to the edge part of the upper mouth of the octagonal paper lunch box prototype by the second molding assembly, and complete the bonding molding of the whole octagonal paper lunch box;

The upper platform includes a support column and an upper platform, and the upper platform is connected to the machine platform through a plurality of support columns.

Furthermore, the paper stacking mechanism includes a material seat plate, a first baffle plate, and a second baffle plate; the material seat plate is connected to the machine platform through a connecting rod, and the number of the first baffle plates is Three, respectively arranged on both sides and the rear part above the material seat plate, the number of the second baffle plate is one, arranged on the front part of the top of the material seat plate, the length of the second baffle plate Less than the length of the first baffle, the first baffle is connected to the upper platform, and the second baffle is connected to the material seat plate.

Furthermore, the paper stacking mechanism also includes a first lifting cylinder, a lower suction nozzle fixing plate, and a lower suction nozzle. The cylinder column of the first lifting cylinder is connected to the lower suction nozzle fixing plate, and the cylinder body is connected to the lower suction nozzle fixing plate. The machine platform is connected, and the lower suction nozzle is arranged on the lower suction nozzle fixing plate.

Furthermore, the paper feeding mechanism includes a shaftless cylinder, a connecting block, a second lifting cylinder, and a paper suction structure; the shaftless cylinder is arranged on the machine table, and the cylinder body of the second lifting cylinder passes through The connecting block is connected with the piston of the shaftless cylinder, and the paper suction structure includes an upper suction nozzle fixing plate and an upper suction nozzle, and the upper suction nozzle fixing plate is connected with the cylinder column of the second lift cylinder, and the The upper suction nozzle is arranged on the upper suction nozzle fixing plate.

Furthermore, the first molding assembly includes a first molding die and a first pressurized cylinder, the first molding die includes a first upper molding die and a first lower molding die, and the first upper molding die and the first upper molding die are The cylinder column of the first pressurized cylinder is connected, the cylinder body of the first pressurized cylinder is connected with the mold feeding mechanism, and the first forming lower mold is arranged on the machine platform.

Furthermore, the first forming lower mold is provided with a wrapping corner component, and the corner wrapping component includes a lower mold stripper plate, a lower mold guide claw, a guide claw guide post, a stripper plate guide post, and the lower mold The guide claw is connected with the upper end of the guide claw guide post, the middle part of the guide claw guide post is movably connected with the machine table, the middle part of the stripper plate of the lower mold is connected with the upper end of the stripper plate guide post, the The guide post of the stripper plate is movably connected with the machine, the stripper plate of the lower die is arranged above the inner side of the guide claw of the lower die, and the guide post of the guide claw and the guide post of the stripper plate run through the machine. station settings.

Furthermore, the corner-wrapping assembly also includes a supporting positioning plate, which is slidingly connected to the guide claw guide post and the stripper plate guide post, and the supporting positioning plate is connected to the machine table.

Furthermore, linear bearings are arranged between the guide claw guide post, the stripper plate guide post and the support positioning plate, and the guide claw guide post, the stripper plate guide post and the support positioning plate Both are slidingly connected by linear bearings.

Furthermore, the supporting positioning plate is provided with a connecting column, and the supporting positioning plate is connected to the machine table through the connecting column.

Furthermore, the corner wrapping assembly also includes a guide claw guide post spring and a stripper plate guide post spring, and the guide claw guide post spring and the stripper plate guide post spring are respectively sleeved on the guide claw guide post, the stripper plate guide post Sheet guide outside.

Further, the lower mold guide claws include a square frame and four claws, the four claws are respectively arranged at the four corners of the square frame, and are integrated with it, the four claws Corresponding to the position of the octagon to be formed of the semi-finished paper sheet.

Furthermore, an upward octagonal oblique opening is provided at the inner middle of the first forming lower mold, and the guide claws of the lower mold and the stripping plate of the lower mold are located in the octagonal oblique opening after descending to the maximum stroke.

Furthermore, electric heating tubes are provided on both sides inside the first lower forming mold.

Further, the lower end of the first forming lower mold is provided with a lower mold positioning plate, and the first forming lower mold is installed on the machine platform through the lower mold positioning plate, and the lower mold positioning plate is connected with the first forming lower mold. An intermediate connecting plate is arranged between a forming lower die, and the first forming lower die is connected to the positioning plate of the lower forming die through the intermediate connecting plate.

Furthermore, the second molding assembly includes a second pressurized cylinder and a second molding die, the second molding die includes a second upper molding die and a second lower molding die, and the second upper molding die and the second molding die are The cylinder column of the second pressurized cylinder is connected, the second forming lower mold is set on the machine table, the cylinder body of the second pressurized cylinder is connected with the mold feeding mechanism, and the second forming lower mold The inside of the mold is provided with an electric heating tube.

Furthermore, both the first forming upper die and the second forming upper die are provided with a suction pipe, and one end of the suction pipe is connected to the first forming upper die/the second forming upper die The suction hole opened in the middle is connected, and the other end is connected with the air storage tank through the control valve to complete the suction and release of negative pressure.

Furthermore, the mold feeding mechanism includes a first servo motor, a first lead screw, two first nut seats, and two upper bridge plates, the first servo motor is arranged on the upper table, and the first A threaded screw is connected to the first servo motor, the first booster cylinder and the second booster cylinder are respectively arranged on the two upper bridge plates, and the upper bridge plate is connected to the first nut seat , the first nut seat is threadedly connected to the first lead screw, and the upper bridge plate is slidably connected to the upper table.

Furthermore, the box stacking mechanism includes a second servo motor, a second lead screw, a second nut seat, and double L-shaped brackets, the second servo motor is arranged inside the machine, and the second wire The bar is connected with the second servo motor, and one end of the double L-shaped bracket is connected with the second nut seat; the double L-shaped bracket includes two L-shaped struts arranged in parallel, through which the two L-shaped struts The gap between the rods accepts the finished octagonal paper lunch box.

Compared with the prior art, the present invention has the following advantages: the octagonal film-coated paper lunch box forming equipment can control the precise displacement of two sets of molds through the servo motor through the provided mold feeding mechanism and forming mechanism, and then use the two sets of molds to complete two sets of molds simultaneously. A different forming process greatly improves the production efficiency and product quality, so that the production cost is effectively controlled; at the same time, through the set corner wrapping component, it is convenient to carry out corner wrapping treatment when the carton is formed, which further improves the production efficiency. It is worth promoting and using.

Description of drawings

Fig. 1 is the overall structure schematic diagram of octagonal coated paper lunch box molding equipment in the embodiment of the present invention;

Fig. 2 is a partial structural schematic diagram of the paper stacking mechanism and the paper feeding mechanism in the embodiment of the present invention;

Fig. 3 is the partial structure schematic diagram of forming equipment of octagonal coated paper lunch box in the embodiment of the present invention;

Fig. 4 is a partial structural schematic diagram of a molding mechanism in an embodiment of the present invention;

Fig. 5 is a schematic diagram of a partial structure of a stacked box collection mechanism in an embodiment of the present invention;

Fig. 6 is a schematic diagram of the paper sheet structure used for processing the octagonal paper lunch box in the embodiment of the present invention.

Fig. 7 is the whole schematic diagram of the finished product of octagonal paper lunch box in the embodiment of the present invention;

Fig. 8 is a top view structural diagram of the finished product of the octagonal paper lunch box in the embodiment of the present invention;

Fig. 9 is a schematic diagram of the overall structure of the wrapping corner assembly in the embodiment of the present invention;

Fig. 10 is a schematic diagram of a partial structure of an angle wrapping component in an embodiment of the present invention.

Detailed ways

As shown in Figures 1-10, the embodiments of the present invention will be described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided. However, the present invention The scope of protection is not limited to the examples described below.

This embodiment provides a technical solution: an octagonal coated paper lunch box forming equipment, including a machine 1, an upper stand, a paper stacking mechanism 3, a paper feeding mechanism 4, a mold feeding mechanism, a forming mechanism, and a stacking box Collecting mechanism 8, conveyer belt 9; Described sheet stacking mechanism 3, paper feeding mechanism 4, upper platform, stacking box collecting mechanism 8 are all arranged on the described machine platform 1, are used for octagonal paper lunch box finished product ( Octagonal film-coated paper lunch box) to collect stacked boxes, the mold feeding mechanism is arranged on the upper platform for moving the position of the forming mechanism, and the conveyor belt 9 is arranged on one side of the stacked box collecting mechanism 8 , used to transport the octagonal paper lunch box to the automatic packaging machine;

The forming mechanism includes a first forming component and a second forming component, the first forming component and the second forming component are arranged in parallel, and the paper sheet is pressed down and formed by the first forming component while corner wrapping is performed. (i.e. corner wrapping treatment), hot-press forming into octagonal paper lunch box prototype, carry out hot-press forming to the upper mouth edge part (U-shaped groove) of octagonal paper lunch box prototype by described second molding assembly, complete whole octagonal paper lunch box The forming of the box, after bonding, the octagonal paper lunch box becomes a finished product.

In this embodiment, the upper platform includes support columns 22 and an upper platform 21 , and the upper platform 21 is fixedly connected to the upper surface of the machine table 1 through a plurality of support columns 22 .

In this embodiment, the paper stacking mechanism 3 includes a material seat plate 31, a first baffle plate 32, and a second baffle plate 33; the material seat plate 31 is connected to the upper surface of the machine table 1 through a connecting rod Fixedly connected, the number of the first baffle plate 32 is three, which are respectively arranged on the two sides and the rear part above the material seat plate 31, and the number of the second baffle plate 33 is one, which is arranged on the material seat plate 31. The front portion of the upper end of the seat plate 31, the first baffle plate 32 and the second baffle plate 33 are used to limit the paper sheets for processing the octagonal paper lunch box, and the length of the second baffle plate 33 is smaller than the first baffle plate 32 in length, easy to place paper.

In this embodiment, the paper sheet stacking mechanism 3 also includes a first lifting cylinder 35, a lower suction nozzle fixing plate 351, and a lower suction nozzle 352, and the cylinder column of the first lifting cylinder 35 is connected to the lower suction nozzle. The fixed plate 351 is connected, and the cylinder body is fixedly connected with the bottom of the machine table 1. The lower suction nozzle 352 is arranged on the lower suction nozzle fixed plate 351. One piece below, and then use the first lift cylinder 35 to adjust the position of the uppermost piece of paper, so that the paper feeding mechanism 4 can absorb it.

In this embodiment, the material seat plate 31 is provided with a reserved long hole for the lower suction nozzle fixing plate 351 to pass through.

In this embodiment, the first baffle 32 is fixedly connected to the upper platform 21 through a connecting frame 34 .

In this embodiment, the second baffle plate 33 is fixedly connected to the upper end of the material seat plate 31 .

In this embodiment, the paper feeding mechanism 4 includes a shaftless cylinder 41, a connecting block 52, and a second lifting cylinder 43; the shaftless cylinder 41 is installed on the upper surface of the machine table 1 through a gantry, and the The cylinder body of the second lifting cylinder 43 is connected with the piston of the shaftless cylinder 41 through the connecting block 52, and a slide rail slider structure is arranged between the connecting block 52 and the gantry for sliding guide effect.

In this embodiment, the paper feeding mechanism 4 also includes a paper sheet suction structure, the paper sheet suction structure includes an upper suction nozzle fixing plate 44, an upper suction nozzle 441, and the upper suction nozzle fixing plate 44 is connected to the second suction nozzle fixing plate 44. The cylinder columns of the two lifting cylinders 43 are connected, and the upper suction nozzle 441 is fixedly installed on the upper suction nozzle fixing plate 44, and the height of the upper suction nozzle 441 can be adjusted by the second lifting cylinder 43 to facilitate the suction of the paper sheets.

In this embodiment, the first molding assembly includes a first molding die and a first booster cylinder 611, the first molding die is connected to the cylinder column of the first booster cylinder 611, and the first booster The cylinder body of the air cylinder 611 is connected with the mold sending mechanism.

In this embodiment, the first forming mold includes a first forming upper die 612 and a first forming lower die 613, and the first forming upper die 612 is connected with the cylinder column of the first pressurized cylinder 611, so The first forming lower mold 613 is arranged on the upper part of the machine table 1 .

In this embodiment, the first forming lower mold 613 is provided with a corner-wrapping component, and the corner-wrapping process can be performed while the paper sheet is pressed down and formed by the corner-wrapping component.

In this embodiment, electric heating tubes are installed on both sides of the first lower mold 613 for heating to fuse the mucous membrane at the wrapping angle by high temperature. The electric heating tube is controlled by a constant temperature control circuit, the temperature parameter is set, and the first forming lower mold 613 is constant temperature.

It should be noted that, in FIG. 6 of the present invention, the food-contacting surface of the semi-finished paper sheet with indentations has a coating, and the coating is a food-grade PE film, that is, the above-mentioned mucous membrane. The coating has two functions, one is to block the contact between food and paper, and the other is to thermally bond, so that no glue is used when forming the lunch box, which is safe and environmentally friendly. When the lunch box is formed, the side with the mucous membrane is facing up.

In this embodiment, the lower end of the first forming lower mold 613 is provided with a lower mold positioning plate 6131 , and the first forming lower mold 613 is fixedly installed on the upper surface of the machine 1 through the lower mold positioning plate.

In this embodiment, an intermediate connecting plate 6132 is provided between the lower mold positioning plate 6131 and the first forming lower mold 613, and the first forming lower mold 613 is connected to the lower forming mold through the intermediate connecting plate 6132. Die positioning plate 6131 is connected.

In this embodiment, the corner-wrapping assembly includes a lower mold guide claw 614, a lower mold stripper plate 615, a guide claw guide post 616, a stripper plate guide post 617, and a support positioning plate 620, and the support positioning plate 620 and The lower end of the machine table 1 is fixedly connected, and the guide claw guide post 616 and the stripping plate guide post 617 are set through the intermediate connecting plate 6132, the lower mold positioning plate 6131, and the supporting positioning plate 620 in sequence. Slidingly connected with the support positioning plate 620, the lower die guide claw 614 is fixedly connected with the upper end of the guide claw guide post 616, and the lower die stripping plate 615 is fixed with the upper end of the stripping plate guide post 617 Connected, the lower mold stripping plate 615 is located inside the lower mold guide claw 614 .

In this embodiment, the guide claw guide post 616 and the stripper plate guide post 617 are respectively sleeved with a guide claw guide post spring 619 and a stripper plate guide post spring 618. The material plate guide post springs 618 are all located between the intermediate connecting plate 6132 and the supporting positioning plate 620 for restoring.

In this embodiment, a linear bearing 621 is provided between the guide claw guide post 616, the stripper plate guide post 617 and the support positioning plate 620, and the guide claw guide post 616, the stripper plate guide post 617 Both are slidingly connected with the support positioning plate 620 through the linear bearing 621 .

In this embodiment, a connecting column 622 is provided between the supporting positioning plate 620 and the machine platform 1 , and the supporting positioning plate 620 and the machine platform 1 are fixedly connected through the connecting column 622 .

In this embodiment, the lower mold guide claw 614 includes a square frame body 6141 and four claw portions 6142, and the four claw portions 6142 are respectively arranged at the four corners of the square frame body 6141 and are integrated with it. , the four claws 6142 correspond to the positions of the octagons to be formed on the semi-finished paper sheet.

In this embodiment, the lower end surface of the lower mold stripping plate 615 is set higher than the upper end surface of the square frame body 6141 .

In this embodiment, the middle position of the first forming lower mold 613 is provided with an (upward) octagonal oblique opening, and the lower mold guide claw 614 and the lower mold stripping plate 615 are positioned at the octagonal oblique opening after being pressed down. in the mouth.

It should be noted that, during the forming process, the semi-finished paper sheet with indentations in FIG. , the first forming upper die 612 presses the middle indentation semi-finished paper sheet tightly on the upper end surface of the lower die stripping plate 615, the lower die stripping plate 615 compresses the stripping plate guide post spring 618, and the stripping plate guide post 617 sinks for a certain distance Finally, in Fig. 6, the octagon to be formed of the semi-finished paper sheet with indentation contacts the guide claw 614 of the lower mold, guides the octagon to be formed of the paper sheet to fit the angle of the first forming upper mold 612 and draws it together, and the guide claw 614 of the lower mold also Compress guide claw guide post spring 619, and guide claw guide post 616 sinks, and at this moment, lower mold stripping plate 615, paper sheet sinks in the first molding lower mold 613 along with the first molding upper mold 612 downward pressure, during the paper The octagon to be formed of the sheet contacts the octagonal bevel of the first forming lower die 613, and the octagon to be formed is introduced along the octagonal bevel of the first forming lower die 613 under the cooperation of the guide claw 614 of the lower die, and the wrapping angle is formed naturally, and then formed by the second The electric heating plate of the first molding lower mold 613 performs high-temperature fusion on the mucous membrane at the wrapping corner. So far, the octagonal corner wrapping of the product has been formed. 613, sending it into the second forming mold for the next step of processing.

In this embodiment, the first forming upper mold 612 is provided with a first air suction pipe 6121, and the first air suction pipe 6121 communicates with the air suction hole opened in the first forming upper mold 612 for In order to absorb the prototype of the octagonal paper lunch box, the prototype of the octagonal paper lunch box is moved to the second forming component under the drive of the mold feeding mechanism, and is used for hot pressing of the upper edge of the octagonal paper lunch box prototype .

In this embodiment, the second molding assembly includes a second booster cylinder 621 and a second molding die, the second molding die is connected to the cylinder column of the second booster cylinder 621, and the second booster The cylinder body of the air cylinder 621 is connected with the mold sending mechanism.

In this embodiment, the second forming mold includes a second forming upper die 622 and a second forming lower die 623, and the second forming upper die 622 is connected with the cylinder column of the second pressurized cylinder 621, so The second forming lower mold 623 is arranged on the upper part of the machine table 1 .

In this embodiment, the second forming upper mold 622 is provided with a second air suction pipe 6221, and the second air suction pipe 6221 communicates with the air suction hole opened by the second forming upper mold 622 for The finished product of the octagonal paper lunch box is sucked, and the finished product of the octagonal paper lunch box is moved to the stacking box collection mechanism 8 under the drive of the mold feeding mechanism.

In this embodiment, electric heating tubes are installed on both sides of the second lower forming mold 623 to fuse the mucous membrane at the wrapping corner after heating. The electric heating tube is controlled by a constant temperature control circuit, the temperature parameter is set, and the second forming lower mold 623 is constant temperature.

In this embodiment, the mold feeding mechanism includes a first servo motor 51, a first lead screw 52 (set horizontally), two first nut seats 53, and two upper bridge plates 54. The first servo motor 51 Installed on the upper platform 21, the first lead screw 52 is connected to the first servo motor 51, the first booster cylinder 611 and the second booster cylinder 621 are respectively arranged on the two upper bridges On the plate 54 , the upper bridge plate 54 is connected to the first nut seat 53 , and the first nut seat 53 is threaded to the first lead screw 52 . The first lead screw 52 is driven to rotate by the first servo motor 51, and then the two upper bridge plates 54 are driven to move synchronously, thereby realizing the simultaneous completion of two different hot-pressing forming processes and finished product collection.

In this embodiment, a slide rail slider structure is provided between the upper bridge plate 54 and the upper platform 21, and the upper bridge plate 54 and the upper platform 21 are slidably connected through a slide rail slider structure, and the sliding The rail slider structure plays the role of moving guide and limit.

In this embodiment, the stacked box collection mechanism 8 includes a second servo motor 81, a second lead screw 82 (vertically arranged), a second nut seat 83, and a double L-shaped bracket 84. The second servo motor 81 It is arranged at the bottom of the machine table 1 , the second lead screw 82 is connected to the second servo motor 81 , and one end of the double L-shaped bracket 84 is connected to the second nut seat 83 .

In this embodiment, the double L-shaped bracket 84 includes two L-shaped poles arranged in parallel, and the gap between the two L-shaped poles is used to accept the bottom of the finished product of the octagonal paper lunch box. The rod is used to support the upper edges of the finished products of the two octagonal paper lunch boxes, and play a role in supporting and limiting the finished products of the octagonal paper lunch boxes.

In this embodiment, the stacked box collection mechanism 8 also includes a receiving counting probe and an ultraviolet sterilizing lamp. The ultraviolet sterilizing lamp is installed on the machine platform 1 and is located on the side of the finished product of the octagonal paper lunch box. To sterilize the finished product of the octagonal paper lunch box, the receiving counting probe is arranged on the support column 22 near the conveyor belt 9 side, and is used for counting the finished product of the octagonal paper lunch box by photoelectric counting.

In this embodiment, the octagonal coated paper lunch box forming equipment also includes at least two air storage tanks 7, and the air storage tanks 7 are connected to the above-mentioned corresponding suction nozzles and suction ducts through control valves to complete Negative pressure suction and release work.

Working principle: first put the paper into the paper stacking mechanism 3, suck a piece of paper from the paper stacking mechanism 3 through the upper suction nozzle 441, and the upper suction nozzle 441 on the paper feeding mechanism 4 sucks the paper When the first forming upper mold 612 moves forward, the paper is sent to the top of the first forming lower mold 613, and then returns to the paper stacking mechanism 3, and the next paper is sucked; The process of the paper stacking mechanism 3 entering the first forming lower mold 613;

After the paper sheet is delivered to the first forming lower die 613, the die feeding mechanism moves the first forming upper die 612 and the second forming upper die 622 directly above the corresponding first forming lower die 613 and the second forming lower die 623;

The first forming upper die 612 drives the paper sheet downward under the driving force of the first pressurized cylinder 611 to enter the first forming lower die 613. When the first forming upper die 612 is pressed down, the paper sheet is placed in the corner wrapping assembly. Under the action, the corners of the paper sheet are wrapped, and the first forming upper die 612 squeezes the paper sheet downward in the first forming lower die 613, and is hot-pressed into a prototype of an octagonal paper lunch box;

The second forming upper mold 622 presses down the octagonal paper lunch box prototype under the driving force of the second pressurized cylinder 621 and enters the second forming lower mold 623, and heat-presses the octagonal paper lunch box prototype to form the upper edge of the carton Parts (U-shaped grooves) are bonded to complete the bonding and forming of the entire octagonal paper lunch box. After bonding, the octagonal paper lunch box becomes a finished product.

The first forming upper die 612 and the second forming upper die 622 move up at the same time, and the two forming upper dies are equipped with suction pipes, and under the action of negative pressure, they move together with the prototype of the octagonal paper lunch box and the finished product of the octagonal paper lunch box , after moving to the top, the first forming upper die 612 and the second forming upper die 622 move towards the direction of the conveyor belt 9 together, the second forming upper die 622 moves to the position above the stacking box collection mechanism 8, and at the same time, the first forming upper die 612 arrives at the position above the second forming lower die 623, and the suction ducts of the first forming upper die 612 and the second forming upper die 622 blow air outwards, and the octagonal paper lunch box prototype on the first forming upper die 612 falls into the second forming upper die 612. In the forming lower die 623, the finished product of the octagonal paper lunch box carried by the second forming upper die 622 falls into the stacking box collection mechanism 8; then, the first servo motor 51 drives the first forming upper die 612 and the second forming upper die 622 to Move in the direction of the paper sheet, move to the position directly above the corresponding forming lower mold and stop, and then complete the next forming process;

The finished octagonal paper lunch box is demoulded from the second forming upper mold 622 and then falls into the stacking box collection mechanism 8. Two L-shaped support rods support the fallen carton finished product. The receiving counting probe counts and the quantity reaches the preset quantity. (such as 25), the double L-shaped support 84 descends, and the carton that descends arrives conveyer belt 9, and carton is sent on the automatic packaging machine through conveyer belt 9 and packs.

To sum up, the octagonal coated paper lunch box molding equipment of the above embodiment can control the precise displacement of the two sets of molds through the servo motor through the provided mold feeding mechanism and molding mechanism, and then use the two sets of molds to simultaneously complete two different The forming process greatly improves the production efficiency and product quality, and effectively controls the production cost; at the same time, through the set corner wrapping component, it can conveniently carry out corner wrapping treatment when the carton is formed, which further improves the production efficiency and is worthy of promotion use.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (10)

1. An octagonal coated paper lunch box forming equipment is characterized in that it comprises a machine platform, an upper stand, a paper stacking mechanism, a paper feeding mechanism, a mold feeding mechanism, a forming mechanism, a stacked box collecting mechanism, and a conveyor belt; The paper sheet stacking mechanism, paper feeding mechanism, upper stand, and stacking box collecting mechanism are all arranged on the machine table, and the forming mechanism is connected with the mold feeding mechanism, and the mold feeding mechanism is arranged on the On the upper platform, the conveyor belt is arranged on one side of the box stacking mechanism; The forming mechanism includes a first forming component and a second forming component, the first forming component and the second forming component are arranged side by side, and the paper sheet is pressed down and formed by the first forming component while corner wrapping is performed. , hot-press forming into the prototype of the octagonal paper lunch box, carry out hot-press molding to the edge part of the upper mouth of the octagonal paper lunch box prototype by the second molding assembly, and complete the bonding molding of the whole octagonal paper lunch box; The upper platform includes a support column and an upper platform, and the upper platform is connected to the machine platform through a plurality of support columns. 2. A kind of octagonal film-coated paper lunch box forming equipment according to claim 1, characterized in that: the paper stacking mechanism includes a material seat plate, a first baffle plate, and a second baffle plate; the material seat The plate is connected to the machine platform through connecting rods, the number of the first baffles is three, which are respectively arranged on the two sides and the rear above the material seat plate, the number of the second baffle is one, It is arranged on the front part of the upper end of the material seat plate, the length of the second baffle is smaller than the length of the first baffle, the first baffle is connected with the upper table, the second baffle is connected with the Material seat plate connection. 3. A kind of octagonal coated paper lunch box forming equipment according to claim 2, characterized in that: said paper stacking mechanism also includes a first lifting cylinder, a lower suction nozzle fixing plate, and a lower suction nozzle, said The cylinder column of the first lift cylinder is connected to the lower suction nozzle fixing plate, the cylinder body is connected to the machine platform, and the lower suction nozzle is arranged on the lower suction nozzle fixing plate. 4. A kind of octagonal coated paper lunch box forming equipment according to claim 1, characterized in that: the paper feeding mechanism includes a shaftless cylinder, a connecting block, a second lifting cylinder, and a paper suction structure; The shaft cylinder is arranged on the machine platform, the cylinder body of the second lifting cylinder is connected with the piston of the shaftless cylinder through a connecting block, and the paper sheet suction structure includes an upper suction nozzle fixing plate and an upper suction nozzle. The upper suction nozzle fixing plate is connected with the cylinder column of the second lifting cylinder, and the upper suction nozzle is arranged on the upper suction nozzle fixing plate. 5. A kind of octagonal coated paper lunch box molding equipment according to claim 4, characterized in that: the first molding assembly includes a first molding die, a first pressurized cylinder, and the first molding die includes a first A forming upper mold and a first forming lower mold, the first forming upper mold is connected with the cylinder column of the first booster cylinder, the cylinder body of the first booster cylinder is connected with the mold feeding mechanism, the The first forming lower mold is arranged on the machine platform. 6. A kind of octagonal film-coated paper lunch box forming equipment according to claim 5, characterized in that: the first forming lower mold is provided with a wrapping corner assembly, and the wrapping corner assembly includes a lower mold stripping plate, The lower mold guide claw, the guide claw guide post, and the stripper plate guide post, the lower die guide claw is connected to the upper end of the guide claw guide post, the middle part of the guide claw guide post is movably connected with the machine, the The middle part of the stripping plate of the lower mold is connected with the upper end of the guide column of the stripping plate, and the guide column of the stripping plate is movably connected with the machine, and the stripping plate of the lower mold is arranged on the inner side of the guide claw of the lower mold In the upper position, the guide claw guide post and the stripper plate guide post are set through the machine; The corner-wrapping assembly also includes a supporting positioning plate, which is slidingly connected with the guide claw guide post and the stripper plate guide post respectively, and the supporting positioning plate is connected with the machine table. 7. A kind of octagonal coated paper lunch box forming equipment according to claim 6, characterized in that: the second forming assembly comprises a second pressurized cylinder and a second forming die, and the second forming die comprises a first Two forming upper molds and a second forming lower mold, the second forming upper mold is connected with the cylinder column of the second pressurized cylinder, the second forming lower mold is set on the machine platform, the second The cylinder body of the booster cylinder is connected with the mold feeding mechanism. 8. A kind of octagonal film-coated paper lunch box forming equipment according to claim 7, characterized in that: the first forming upper die and the second forming upper die are all provided with suction ducts, and the suction One end of the air duct communicates with the air suction hole opened in the first forming upper die/the second forming upper die, and the other end is connected with the air storage tank through a control valve to complete negative pressure suction and release. 9. The octagonal coated paper lunch box forming equipment according to claim 8, characterized in that: the mold feeding mechanism includes a first servo motor, a first lead screw, two first nut seats, two upper Bridge plate, the first servo motor is arranged on the upper platform, the first lead screw is connected with the first servo motor, the first booster cylinder and the second booster cylinder are respectively arranged on two On the upper bridge, the upper bridge is connected to the first nut seat, the first nut seat is threaded to the first lead screw, and the upper bridge is slidably connected to the upper platform. 10. The octagonal coated paper lunch box forming equipment according to claim 9, characterized in that: the stacking box collection mechanism includes a second servo motor, a second lead screw, a second nut seat, and double L-shaped brackets , the second servo motor is arranged inside the machine, the second lead screw is connected to the second servo motor, one end of the double L-shaped bracket is connected to the second nut seat; the double The L-shaped support includes two L-shaped support rods arranged in parallel, and accepts the finished product of the octagonal paper lunch box through the gap between the two L-shaped support rods.

Images