CN111497318A

CN111497318A - Square paper container and processing equipment and manufacturing process of cover body of square paper container

Info

Publication number: CN111497318A
Application number: CN202010324906.4A
Authority: CN
Inventors: 朱晓雄
Original assignee: Guangzhou Ruifeng Paper Products Co ltd
Current assignee: Guangzhou Ruifeng Paper Products Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-08-07
Anticipated expiration: 2040-04-23
Also published as: CN111497318B

Abstract

The invention discloses a square paper container and a processing device and a manufacturing process of a cover body of the square paper container, and the technical scheme is characterized by comprising a supporting table, a paper board storage mechanism, a paper board conveying mechanism, a cylinder forming mechanism, a cup body conveying channel, a cup body conveying mechanism, a cup body deforming mechanism and a cup bottom sealing mechanism which are sequentially arranged, wherein the cup body conveying mechanism comprises a turntable supporting plate provided with a cup leakage groove and a deforming turntable provided with a cup body groove, and one end of the cup body conveying channel is opposite to the cup body groove; the bottom of the turntable supporting plate is provided with a first stepping motor for driving the deformation turntable to rotate; cup deformation mechanism includes four deformation boards, and four deformation board circumference distribute in leaking the border in a groove, and cup deformation mechanism still includes four and connects respectively in the fifth cylinder of four deformation boards, and the below of carousel backup pad still is equipped with the carousel of accepting that has the groove of accepting, seals one side that the bottom of cup mechanism is located the carousel of accepting. The processing equipment has the advantage of being capable of producing and processing the square paper container.

Description

Square paper container and processing equipment and manufacturing process of cover body of square paper container

Technical Field

The invention relates to the field of production of square paper containers, in particular to a square paper container and a processing device and a manufacturing process of a cover body of the square paper container.

Background

Food package box, wrapping bag in the food and beverage field are generally made for plastics, and it has better water proof nature, can contain liquid food splendid attire and transportation. However, with the development of the catering industry, a large number of plastic packages enter the lives of people, but the degradation capability of plastics is poor, and the pollution to the environment is large, so that a paper container is usually adopted to replace a plastic container at present.

In the prior art, the authorization notice number is: chinese patent CN105774043B discloses a paper cup forming machine, which comprises a paper feeding component. The cup bucket bonding part, collude bucket part and shaping carousel part, the part of form advancing is including the ejector pad of form advancing and the swing arm of form advancing, colludes the bucket part including colluding the bucket crotch and colluding the bucket swing arm, and the skew cup center line that send of shaping carousel part is in order to give out the activity space of the swing arm of form advancing and colluding the bucket swing arm.

When the paper cup forming machine works, the paper feeding push block sends the paper sheets of the cup barrel in the paper sheet bin to the cup barrel bonding part along the direction of the central line of the cup feeding, the hook of the bucket hooks the cup barrel which is bonded and formed on the cup barrel bonding part to be sent out, the bottom of the paper tube is bonded to one end of the paper tube after the paper tube is coated with silicone oil, the other end of the paper tube is curled to form a cup opening, and the paper container is manufactured.

However, the paper container formed by the paper cup forming machine is cylindrical, so that a square paper container is difficult to produce, and when the cylindrical container is placed unstably and is toppled, the cylindrical container is easy to roll; and after the square paper container is toppled, the square paper container is not easy to roll.

In view of the foregoing, it would be desirable to create an apparatus that is capable of producing square paper containers.

Disclosure of Invention

In view of the defects in the prior art, an object of the present invention is to provide a processing apparatus for square paper containers, which has the advantage of being able to produce and process square paper containers.

The technical scheme adopted by the invention is realized as follows: a processing device for square paper containers comprises a supporting table, wherein a paperboard storage mechanism, a paperboard conveying mechanism and a cylinder forming mechanism are sequentially arranged on the supporting table, a cup body conveying channel, a cup body conveying mechanism, a cup body deforming mechanism and a cup bottom sealing mechanism are sequentially arranged on one side of the supporting table, one end of the cup body conveying channel is communicated with the cylinder forming mechanism, and the other end of the cup body conveying channel extends to the position above the cup body conveying mechanism;

the cup body conveying mechanism comprises a turntable supporting plate and a deformation turntable which is rotatably arranged on the turntable supporting plate, a cup body groove is formed in the deformation turntable, and one end of the cup body conveying channel extends to the position above the cup body groove; the bottom of the turntable supporting plate is provided with a first stepping motor for driving the deformation turntable to rotate until the cup body groove is aligned with the cup leaking groove;

the cup body deformation mechanism comprises four deformation plates movably arranged below the turntable supporting plate, the four deformation plates are circumferentially distributed along the edge of the cup leakage groove, and a square groove is formed by the four deformation plates in a surrounding manner; the cup body deformation mechanism further comprises four fifth cylinders, and the fifth cylinders are used for pushing the deformation plate to move towards the central line of the cup leakage groove;

the cup sealing device is characterized in that a receiving rotary table is further arranged below the rotary table supporting plate, a receiving groove is formed in the receiving rotary table and is located below the receiving cup leaking groove, and the cup sealing bottom mechanism is located on one side of the receiving rotary table.

By adopting the technical scheme, the paperboard is stored in the paperboard storage mechanism, the paperboard is conveyed to the cylinder forming mechanism through the paperboard conveying mechanism, so that the paperboard forms a circular cup, the circular cup is conveyed to the cup conveying mechanism through the cup conveying channel, the circular cup passing through the cup conveying channel drops to the cup groove on the deformation rotary table, the first stepping motor drives the deformation rotary table to rotate, the circular cup is driven to shift, after the deformation rotary table rotates to align the cup groove with the cup leakage groove, the circular cup drops to the bearing rotary table from the cup leakage groove, the bearing rotary table bears the circular cup, then the four deformation plates are driven by the four fifth cylinders to move from four sides to the central line of the cup leakage groove, so that the circular cup is shaped into the square cup, then the square cup is sealed through the cup bottom sealing mechanism, and the square cup is manufactured.

As a further improvement of the invention, the paperboard storage mechanism comprises four vertically arranged limiting surrounding columns, and a storage cavity for storing the paperboards is formed by surrounding the four limiting surrounding columns.

Through adopting foretell technical scheme, four spacing enclose the post and carry out spacingly to the cardboard, reduce the off normal of cardboard.

As a further improvement of the invention, the paperboard conveying mechanism comprises a first cylinder arranged on the bottom surface of the support platform, a piston rod of the first cylinder is provided with a first sucker, the support platform is provided with a paper leakage groove communicated with the storage cavity, the first sucker faces the paper leakage groove, and the peripheral edge of the paper leakage groove is provided with a plurality of blocking blocks; the paperboard conveying mechanism further comprises conveying belts arranged on two sides of the first cylinder, one end of each conveying belt is located below the paper leakage groove, and the other end of each conveying belt extends to the cylinder forming mechanism.

By adopting the technical scheme, when the paper cup is produced, the first cylinder drives the first suction disc to penetrate through the paper leakage groove and extend to the storage cavity for storing the paper boards, the first suction disc adsorbs the paper boards at the bottommost part of the storage cavity, the first cylinder drives the first suction disc to descend, because the paper board is soft, when the first suction disc drives the paper board to descend, the edge of the paper board deforms, the paper board slides out of the blocking block, the paper board can be further drawn out, when the first suction disc descends to the height of the conveyor belt, the paper board is contacted with the conveyor belt, the first suction disc continuously descends, so that the contact between the paper board and the conveyor belt is tighter, meanwhile, the conveyer belt provides a forward conveying force to the paper boards, so that the paper boards are separated from the first suction disc, and then the cardboard is carried to drum forming mechanism and is carried out the shaping, and add two conveyer belts and then be the area of contact between increase cardboard and the conveyer belt for the atress of cardboard is more stable.

As a further improvement of the invention, the cylinder forming mechanism comprises a cup body forming groove arranged on the support table and a mold cylinder arranged in the cup body forming groove, the cup body forming groove is positioned above one end of the conveyor belt far away from the first air cylinder, and one end of the cup body conveying channel is communicated with the cup body forming groove; the mould comprises a mould barrel, a supporting table and a mould base, wherein the mould barrel is provided with a first cylinder and a second cylinder, the mould base is provided with a first mould plate and a second mould plate, the first mould plate and the second mould plate are respectively provided with a first cylinder and a second cylinder, the first cylinder and the second cylinder are respectively provided with a first cylinder and a second cylinder, the second cylinder is provided with a.

Through adopting foretell technical scheme, the cardboard passes through the conveyer belt and carries to the pattern plate of cup shaping groove below on, rotates around the pin joint through two pattern plates of second cylinder drive to make two pattern plates rotate to cladding pattern section of thick bamboo, simultaneously, two pattern plate pivoted in-process drive cardboard cladding pattern section of thick bamboo, so that the cardboard is stereotyped, forms circular fiber container.

As a further improvement of the present invention, the support table is further provided with a hot frit, and the hot frit is located above the mold cylinder.

By adopting the technical scheme, the hot melting block heats the joint of the paper board after the paper board is surrounded and arranged into the circular paper tube, so that the plastic film on the paper board is melted and connected, and the paper board forms the circular paper tube.

As a further improvement of the invention, a cup body demoulding mechanism is arranged on the supporting platform, the cup body demoulding mechanism comprises a demoulding rod horizontally arranged on the inner wall of the cup body transportation channel and a cup withdrawing component arranged on the demoulding rod, the demoulding rod is arranged along the conveying direction of the conveying belt, and the demoulding rod is connected with the inner wall of the cup body transportation channel in a sliding manner; move back a cup subassembly including set up in the demoulding rod move back the cup hole and slide set up in move back the cup pole that moves back of cup hole, move back the downthehole spring that is provided with of cup, the one end of spring connect in move back the cup pole, the other end connect in move back the hole bottom in cup hole, when the spring is in natural state, move back the one end of cup pole and stretch out to cup transportation channel.

Through adopting foretell technical scheme, the both sides of cardboard bond the back, the circular fiber container is become in the cardboard shaping, then drive stripper bar horizontal migration, so that move back the cup pole and remove the one end of keeping away from cup transport corridor to the mould section of thick bamboo, and move back the one end that the cup pole kept away from the spring and contradict in the lateral wall of mould section of thick bamboo, the spring provides elasticity to moving back the cup pole, so that move back the lateral wall that the cup pole closely contradicts the mould section of thick bamboo, then drive stripper bar resets, it contradicts the lateral wall of a cup section of thick bamboo to move back the cup pole, and drive a cup section of thick bamboo along with moving back the cup pole, break away.

As a further improvement of the invention, the cup bottom sealing mechanism comprises a cup bottom gluing component and a bottom sealing component, the gluing component comprises a gluing frame and a gluing head arranged on the gluing frame, a lifting cylinder for driving the gluing head to lift is arranged on the gluing frame, a piston rod of the lifting cylinder faces downwards to the receiving turntable, the piston rod of the lifting cylinder is connected to the gluing head, and a driving component for driving the lifting cylinder to rotate is arranged on the gluing frame; the back cover subassembly including set up in accept the back cover frame of one side of carousel and be used for placing the bottom plate of back cover cardboard and accept the frame, the vertical sixth cylinder that is provided with on the back cover frame, the piston rod of sixth cylinder is connected with the second sucking disc, the second sucking disc moves towards downwards the bottom plate accepts the frame, be provided with on the back cover frame and be used for the drive the sixth cylinder remove extremely accept the seventh cylinder of the top of carousel.

Through adopting foretell technical scheme, when sealing the bottom of cup, the head of gluing descends in the lift cylinder drive, the head of gluing stretches into in the square fiber container, and the play jiao kou of gluing the head of gluing contradicts the inner wall of square fiber container, drive assembly drive lift cylinder rotates, so that the head of gluing rotates around the inner wall circumferential direction of square fiber container, and then carry out the rubber coating to the inner wall of square fiber container, then drive a back cover cardboard through sixth cylinder, back cover cardboard adsorbs the back, through seventh cylinder drive sixth cylinder horizontal migration to back cover cardboard be located square fiber container directly over, then, sixth cylinder drive back cover cardboard descends and bonds with square fiber container inner wall, realize sealing the bottom of cup.

Aiming at the defects of the prior art, the invention also aims to provide a manufacturing process of the square paper container, which has the advantage of being capable of producing and processing the square paper container.

The technical scheme adopted by the invention is realized as follows: a manufacturing process of a square paper container comprises the following steps:

(1) the paper board is wound into a cylindrical paper tube, the paper board stored in the cavity is conveyed to a cylinder forming mechanism through a paper board conveying mechanism to be formed into the cylindrical paper tube, the temperature of a model plate of the cylinder forming mechanism is controlled between 60 and 70 ℃ in the forming process, and the joints of two side edges of the paper board are bonded through hot melting blocks to form the paper tube;

(2) the formed paper tube is conveyed to the cup body deformation mechanism through the cup body conveying mechanism (6) to be deformed, four deformation plates of the cup body deformation mechanism simultaneously move towards the center direction of the section of the paper tube along four quadrant points so as to press the paper tube to the square section of the paper tube, and the temperature of the four deformation plates of the cup body deformation mechanism is controlled between 50 ℃ and 150 ℃ in the deformation process;

(3) and (3) sealing the bottom of the square paper tube formed in the step (2), and bonding a bottom sealing paperboard at one end of the paper tube through a cup bottom sealing mechanism to finish the manufacture of the square paper container.

By adopting the technical scheme, the production of the square paper container is realized.

In view of the defects of the prior art, the invention also aims to provide a square paper container, so that the container is not easy to roll after being toppled.

The technical scheme adopted by the invention is realized as follows: a square paper container comprises a cup body and a cover body, wherein the cup body and the cover body are both manufactured by the manufacturing process of the square paper container.

Through adopting foretell technical scheme, during the production paper container, cup and lid are produced respectively to the processing equipment of square paper container of accessible for the paper container of producing is squarely, and is difficult for taking place to roll after the paper container emptys.

In conclusion, the invention has the following beneficial effects:

1. the paper board is conveyed to the cylinder forming mechanism from the paper board storage mechanism through the paper board conveying mechanism to form a cup cylinder, the cup cylinder is conveyed to the cup body conveying mechanism through the cup body conveying channel, the cup body conveying mechanism conveys the cup cylinder to the cup body deforming mechanism, the cylindrical cup cylinder is changed into a square cup cylinder through the cup body forming mechanism, and then the cup cylinder is subjected to bottom sealing through the cup bottom sealing mechanism to form a square cup body;

2. the square paper container processed by the processing equipment of the square paper container is not easy to roll after being toppled.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the present invention with the cup body conveying mechanism, the cup body deforming mechanism and the cup bottom sealing mechanism removed;

FIG. 3 is a schematic view of the structure of the sheet feeding mechanism of the present invention for supporting the bottom surface of the table;

FIG. 4 is a schematic view showing a part of the structure of the cylinder forming mechanism of the present invention;

FIG. 5 is a schematic view showing the connection between the cylinder forming mechanism and the cup body transporting mechanism according to the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a schematic view showing the assembly relationship between the turntable support plate and the deformation turntable in the present invention;

FIG. 8 is a schematic view showing the connection relationship between the cup body transfer mechanism and the cup body deforming mechanism and the cup bottom sealing mechanism according to the present invention;

FIG. 9 is a schematic view showing the assembly relationship between the tray support plate and the tray table according to the present invention;

FIG. 10 is a schematic view showing the connection between the cup bottom closing mechanism and the cup deforming mechanism according to the present invention;

FIG. 11 is a schematic view of the structure of the square cup and the lid of the present invention.

In the figure: 1. a support table; 2. a paperboard storage mechanism; 21. limiting and enclosing the column; 22. a paper leakage groove; 23. a blocking block; 3. a paperboard conveying mechanism; 31. a first cylinder; 32. a first suction cup; 33. a conveyor belt; 4. a cylinder forming mechanism; 41. a cup body forming groove; 42. a mold cylinder; 421. a limiting boss; 422. a yielding groove; 43. a fixing plate; 44. a U-shaped frame; 45. a second cylinder; 46. a mold plate; 47. a U-shaped fixing rod; 48. a carrier bar; 49. a carrier plate; 491. hinging a shaft; 5. a cup body transport channel; 51. bending the pipe; 6. a cup body conveying mechanism; 61. a turntable support frame; 62. a turntable support plate; 63. a deformable rotating disc; 64. a first stepper motor; 65. a cup body groove; 66. a leaky cup groove; 7. a cup body deforming mechanism; 71. a tray supporting frame; 72. a tray supporting plate; 73. carrying the rotary table; 74. a second stepping motor; 75. a receiving groove; 76. a position avoiding groove; 77. a receiving cylinder; 771. a bearing block; 78. a deformable plate; 79. a fifth cylinder; 8. a cup bottom sealing mechanism; 81. a gluing component; 811. gluing a frame; 812. gluing heads; 813. a lifting cylinder; 814. a drive motor; 815. a driving gear; 816. a connecting shaft; 817. a driven gear; 82. a back cover assembly; 821. sealing the bottom frame; 822. a base plate receiving frame; 823. a sixth cylinder; 824. a second suction cup; 825. a seventh cylinder; 91. fixing the rod; 92. a support bar; 10. a third cylinder; 11. hot melting the fixed rod; 12. a hot melt block; 131. a stripper bar; 132. a cup withdrawing rod; 133. a cup withdrawing hole; 134. a spring; 135. an inclined surface; 136. a fourth cylinder; 137. a connecting rod; 14. a cup outlet groove; 15. a discharge hopper; 16. a cup body; 17. a cover body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a processing equipment of square paper container, as shown in figure 1, includes brace table 1, is equipped with cardboard storage mechanism 2, cardboard conveying mechanism 3, drum forming mechanism 4 on the brace table 1 in proper order, and one side of brace table 1 is equipped with cup transport passageway 5, cup conveying mechanism 6, cup deformation mechanism 7 and seals bottom of cup mechanism 8 in proper order, and wherein, cup transport passageway 5 is located between drum forming mechanism 4 and cup conveying mechanism 6.

As shown in fig. 1, the paperboard is conveyed from the paperboard storage mechanism 2 to the cylinder forming mechanism 4 through the paperboard conveying mechanism 3 to form a cup cylinder, the cup cylinder is conveyed to the cup body conveying mechanism 6 through the cup body conveying channel 5, the cup body conveying mechanism 6 conveys the cup cylinder to the cup body deforming mechanism 7, the cylindrical cup cylinder is changed into a square cup cylinder through the cup body forming mechanism, and then the cup cylinder is sealed through the cup bottom sealing mechanism 8 to form a square cup body.

As shown in fig. 2, the paper board storage mechanism 2 includes four limiting surrounding columns 21 fixed on the support table 1, the four limiting surrounding columns 21 are vertically arranged, and two of the four limiting surrounding columns 21 are oppositely arranged to form a storage cavity for storing the paper board.

As shown in fig. 2, a paper leakage groove 22 is formed in the four limiting surrounding columns 21 on the supporting platform 1, the cross section of the paper leakage groove 22 is square, four blocking blocks 23 are fixedly connected to the edge of the paper leakage groove 22 at the bottom of the supporting platform 1, and the four blocking blocks 23 are respectively and correspondingly arranged on four groove walls of the paper leakage groove 22.

As shown in fig. 3, two fixing rods 91 are fixed to the bottom surface of the support table 1, and a horizontal support rod 92 is connected between the two fixing rods 91, and the horizontal support rod 92 is connected to one end of the fixing rod 91 far away from the support table 1. Referring to fig. 2, the sheet feeding mechanism 3 includes a first cylinder 31 fixed to a horizontal support rod 92, the first cylinder 31 is disposed vertically, and a piston rod of the first cylinder 31 is directed upward toward the sheet discharge chute 22. A first suction pad 32 is connected to a piston rod of the first cylinder 31, and the first suction pad 32 faces the sheet discharge groove 22.

As shown in fig. 3, the cardboard conveying mechanism 3 further includes an endless conveyor belt 33 rotatably installed below the supporting table 1, the conveyor belt 33 is disposed along the length direction of the supporting table 1, one end of the conveyor belt 33 is located below the paper leakage groove 22, and the conveyor belt 33 conveys the cardboard to the cylinder forming mechanism 4. In this embodiment, there are two conveyor belts 33, the two conveyor belts 33 are respectively located at two sides of the first cylinder 31, and a distance between the two conveyor belts 33 is smaller than a diameter of the first suction tray 32.

Combine fig. 2 and fig. 3, when producing the paper cup, first cylinder 31 drive first sucking disc 32 stretch into leak paper groove 22 and adsorb the cardboard of depositing the cavity, adsorb the back, first cylinder 31 drive first sucking disc 32 descends, takes out the cardboard from leaking paper groove 22, because the cardboard is soft, so when the cardboard adsorbs behind first sucking disc 32, first sucking disc 32 downstream, the cardboard will be out of shape, the border department of cardboard can be followed and is blockked 23 and slide out, and then can take out the cardboard. When the suction cups are lowered to the level of the conveyor 33, the cardboard comes into contact with the conveyor 33, the cardboard is placed on the conveyor 33, and the conveyor 33 transports the cardboard forward.

Referring to fig. 2 and 3, the cylinder forming mechanism 4 is located above one end of the conveyor belt 33 away from the first cylinder 31, the cylinder forming mechanism 4 includes a cup forming groove 41 formed in the supporting table 1 and a mold cylinder 42 fixedly connected to a fixing plate 43, and one side of the cup forming groove 41 is communicated with the cup transport passage 5. The cup transport path 5 opens in the transport direction of the conveyor belt 33. In this embodiment, the mold cylinder 42 is disposed in a cylindrical shape, the mold cylinder 42 is disposed along the conveying direction of the conveyor belt, the fixing plate 43 is fixed to the wall of the cup forming groove 41, the fixing plate 43 is fixedly connected to the wall of the cup forming groove 41 on the side close to the paper leakage groove 22, one end of the mold cylinder 42 is fixedly connected to the fixing plate 43, and the cylinder diameter of the mold cylinder 42 is gradually reduced from the end of the fixing plate 43 to the end far away from the fixing plate 43.

As shown in fig. 3, the cylinder forming mechanism 4 further includes a U-shaped frame 44 fixed at the bottom of the supporting platform 1, the U-shaped frame 44 includes an open end and a closed end, the open end of the U-shaped frame 44 is fixedly connected with the bottom surface of the supporting platform 1, and two ends of the U-shaped frame 44 are respectively connected and fixed at two sides of the cup forming groove 41. Referring to fig. 4, two opposite side walls of the U-shaped frame 44 are hinged with a second air cylinder 45, and a piston rod of the second air cylinder 45 is inclined upward toward the die cylinder 42. The piston rods of the two second cylinders 45 are hinged with model plates 46, the cross sections of the model plates 46 are arranged in an arc shape, one sides of the two model plates 46 are hinged through a hinge shaft 491, the two model plates 46 can rotate around the hinge shaft 491 to cover the mold cylinder 42, and when the mold plates 46 cover the mold cylinder 42, the arc surfaces of the model plates 46 are abutted against the side wall of the mold cylinder 42. As shown in fig. 3, in the present embodiment, the specific fixing manner of the hinge shaft 491 and the support table 1 is as follows: a U-shaped fixing rod 47 is fixed on the bottom surface of the supporting platform 1, two ends of the U-shaped fixing rod 47 are fixed on the bottom surface of the supporting platform 1, one side of the U-shaped fixing rod 47 is connected with a bearing rod 48, the bearing rod 48 extends to the lower part of the model plate 46 along the conveying direction of the conveying belt, one end of the bearing rod 48 extending to the lower part of the model plate 46 is connected with a bearing plate 49, the bearing plate 49 extends vertically and upwards, a gap through which a paper feeding plate passes is formed between the top of the bearing plate 49 and the mold cylinder 42, a hinge shaft 491 is fixedly connected on the top of the bearing plate 49 along the length direction of the bearing rod 48, and one sides.

As shown in fig. 5, two third air cylinders 10 are fixed to the bottom surface of the support table 1, and the two third air cylinders 10 are respectively located on both sides of the cup forming groove 41. The third cylinder 10 is vertically arranged, and a piston rod of the third cylinder 10 upwards penetrates through the support table 1. The piston rods of the two third cylinders 10 penetrate through one end of the support table 1 to be fixedly connected with a hot melting fixing rod 1191, and two ends of the hot melting fixing rod 1191 are fixedly connected with the piston rods of the two third cylinders 10 respectively. The hot melt block 12 is fixed on the hot melt fixing rod 1191, the hot melt block 12 is located above the mold cylinder 42, and the heating mode of the hot melt block 12 is electric heating.

In the process of producing paper cups, referring to fig. 2 and 3, the paper board is conveyed to a position between the mold cylinder 42 and the mold plates 46 through the conveyor belt 33, referring to fig. 4, the paper board is received on the two mold plates 46, referring to fig. 5, the two second cylinders 45 respectively push the two mold plates 46 to ascend, so that the two mold plates 46 rotate around the hinge shaft 491, the paper board is further wrapped on the mold cylinder 42, the hot melt block 12 is driven by the third cylinder 10 to descend to contact with the connection points on the two sides of the paper board, the plastic film on the paper board is melted and connected, and the paper board forms a paper cylinder, namely a cup cylinder.

Referring to fig. 5, after the paperboard is formed into a web, the third cylinder 10 drives the hot melt block 12 to rise, the second cylinders 45 respectively drive the two mold plates 46 to fall, and then the web is taken out from the mold cylinder 42 to the cup transportation path 5, and a cup demolding mechanism is provided on the inner wall of the cup transportation path 5.

The cup body demoulding mechanism comprises two demoulding rods 131 which are horizontally and slidably connected with the inner wall of the cup body transportation channel 5, and the two demoulding rods 131 are oppositely arranged on two opposite inner walls of the cup body transportation channel 5. The ejection rod 131 is provided along the length direction of the cup transport path 5, and the ejection rod 131 can slide along the length direction thereof.

As shown in fig. 5, the cup demolding mechanism further includes cup withdrawing assemblies disposed on the cup demolding rods 131, in this embodiment, the cup withdrawing assemblies are disposed on two opposite side walls of the two demolding rods 131, and the cup withdrawing assemblies are located at one ends of the demolding rods 131 close to the mold cylinder 42. Specifically, referring to fig. 6, the cup returning assembly includes cup returning rods 132 vertically inserted into opposite sides of the two demolding rods 131, cup returning holes 133 for inserting the cup returning rods 132 are formed in the demolding rods 131, and the cup returning rods 132 can slide relative to the cup returning holes 133. A spring 134 is arranged in the cup withdrawing hole 133, one end of the spring 134 is connected to the bottom of the cup withdrawing hole 133, the other end of the spring 134 is connected to the cup withdrawing rod 132, and when the spring 134 is in a natural state, one end of the cup withdrawing rod 132 protrudes out of the cup withdrawing hole 133 and extends to the cup body transportation channel 5. One end of the cup withdrawing rod 132 protruding the cup withdrawing hole 133 is provided with a cup withdrawing inclined surface 135, the cup withdrawing inclined surface 135 faces one side of the mold cylinder 42, and the cup withdrawing inclined surface 135 and the mold cylinder 42 are mutually abutted and mutually slid.

As shown in fig. 5, two fourth air cylinders 136 are horizontally provided on the support table 1, and the two fourth air cylinders 136 are respectively used for driving the two ejector rods 131 to move in the longitudinal direction thereof. In this embodiment, one side of the demolding rod 131 departing from the cup transportation channel 5 is connected with a connecting rod 137, and a piston rod of the fourth cylinder 136 is fixedly connected to the connecting rod 137. The fourth cylinder 136 drives the connecting rod 137 to slide along the length direction of the cup transportation channel 5, so as to drive the demolding rod 131 to slide, and after the demolding rod 131 slides to the cup withdrawing inclined plane of the cup withdrawing rod 132 and contacts the mold cylinder 42, the cup withdrawing rod 132 is forced to slide in the cup withdrawing hole 133 and compress the spring 134 until the cup withdrawing rod 132 completely retracts into the cup withdrawing hole 133.

Referring to fig. 5, the sidewall of the mold cylinder 42 is provided with a limiting boss 421, the limiting boss 421 is located on one side of the mold cylinder 42 away from the cup body transportation channel 5, and the limiting boss 421 is provided with a yielding groove 422 for the cup returning rod 132 to pass through. Move back a glass pole 132 butt at the lateral wall of a mould section of thick bamboo 42 to keep away from the one end motion in-process of cup transportation channel 5 to a mould section of thick bamboo 42, the cup has the trend of equidirectional motion, the cup is blockked the back by spacing boss 421, move back a glass pole 132 and continue to move to the groove 422 that steps down, move back a glass pole 132 to the transfer passage, spring 134 provides elasticity to moving back a glass pole 132, make and move back a glass pole 132 and keep conflicting the lateral wall of a mould section of thick bamboo 42, and then drive a glass section of thick bamboo and drop to cup transportation channel 5 from a mould section of thick bamboo 42.

As shown in fig. 5, one end of the cup transportation channel 5, which is far away from the mold cylinder 42, extends out of the supporting table 1, and one end of the cup transportation channel 5, which extends out of the supporting table 1, extends downward for transporting the cup cylinder, the cup transportation mechanism 6 is connected to one end of the cup transportation channel 5, which extends out of the supporting table 1, and one end of the cup transportation channel 5, which extends out of the supporting table 1, is connected with the elbow 51, and the pipe orifice of the elbow 51 faces downward.

As shown in fig. 5, the cup conveying mechanism 6 is located below the elbow 51, the cup conveying mechanism 6 includes a turntable support frame 61, a turntable support plate 62 fixed on the turntable support frame 61, and a deformation turntable 63 rotatably mounted on the top surface of the turntable support plate 62, and with reference to fig. 7, a first stepping motor 64 is fixed on the bottom surface of the turntable support plate 62, and an output shaft of the first stepping motor 64 is fixedly connected to the deformation turntable 63 after passing through the turntable support plate 62 upward.

As shown in fig. 5 and 7, four cup grooves 65 are uniformly formed in the deformation turntable 63 along the circumferential direction of the deformation turntable 63, the first stepping motor 64 rotates 90 degrees in each movement, one cup groove 65 is just opposite to the pipe orifice of the elbow pipe 51 after each rotation, and the cup grooves 65 moving to the lower side of the elbow pipe 51 are named as time grooves. After the cup cylinder is conveyed to the instant slot, the first stepping motor 64 drives the deformation turntable 63 to rotate, and further drives the cup cylinder in the instant slot to move. The cup leaking groove 66 is formed in the turntable supporting plate 62, and after the instant groove is driven by the first stepping motor 64 to rotate 180 degrees, the instant groove is opposite to the cup leaking groove 66, and at the moment, the cup barrel can fall from the cup leaking groove 66 and is separated from the deformation turntable 63.

As shown in fig. 7, the cup deforming mechanism 7 further includes four deforming plates 78 movably mounted on the bottom surface of the turntable support plate, the four deforming plates 78 are oppositely arranged at the edge of the cup leaking groove 66 in a two-to-two manner, a square groove is formed by the four deforming plates 78, four fifth cylinders 79 are fixed on the bottom surface of the turntable support plate 62, and each fifth cylinder 79 drives one deforming plate to move towards the center line of the cup leaking groove 66.

As shown in fig. 8, the cup deforming mechanism 7 further includes a receiving tray support 71 provided on one side of the turntable support plate 62, a receiving tray support plate 72 fixed to the receiving tray support 71, and a receiving turntable 73 rotatably mounted on the top surface of the receiving tray support plate 72, and the receiving turntable 73 is located below the turntable support plate 62. Referring to fig. 9, a second stepping motor 74 is fixed to the bottom surface of the tray support plate 72, and an output shaft of the second stepping motor 74 is fixedly connected to the tray support plate 73 after passing upward through the turntable support plate 62.

As shown in fig. 9, six receiving grooves 75 are uniformly formed in the receiving turntable 73 along the circumferential direction of the receiving turntable 73, the second stepping motor 74 rotates 60 degrees each time it moves, and with reference to fig. 8, after each rotation, one receiving groove 75 is just opposite to the lower side of the cup leaking groove 66. The bearing plate support plate 72 is provided with a position avoiding groove 76, and the position avoiding groove 76 is positioned under the cup leaking groove 66. When one of the receiving grooves 75 is rotated to be aligned with the cup receiving groove 66, the receiving groove 75 is aligned with the avoiding groove 76.

As shown in fig. 9, a receiving cylinder 77 is vertically disposed below the receiving tray supporting plate 72, a piston rod of the receiving cylinder 77 faces upward to the avoiding groove 76, a receiving block 771 is connected to the piston rod of the receiving cylinder 77, and the receiving block 771 is inserted into and matched with the avoiding groove 76 and the receiving groove 75.

With reference to fig. 8 and 9, before the cup falls from the cup leaking groove 66 to the receiving groove 75, the receiving cylinder 77 drives the receiving block 771 to rise to be flush with the top surface of the receiving turntable 73, the receiving block 771 receives the cup falling from the cup leaking groove 66, and then the four fifth cylinders 79 respectively drive the four deformation plates 78 to move from the four quadrant point levels to the center line of the cup leaking groove 66, so as to press and deform the cylindrical cup into a square cup. After the square cup is formed, the receiving cylinder 77 drives the receiving plate to descend to be flush with the top surface of the receiving plate supporting plate 72, and the second stepping motor 74 drives the receiving turntable 73 to rotate, so that the square cup is moved.

As shown in fig. 10, the cup bottom sealing mechanism 8 includes a glue applying assembly 81 and a bottom sealing assembly 82 disposed on one side of the tray support plate 72, the glue applying assembly 81 includes a glue applying frame 811 and a glue applying head 812 disposed on the glue applying frame 811, and the glue applying head 812 faces one of the receiving grooves 75 on the receiving turntable 73. The upper rubber frame 811 is vertically provided with a lifting cylinder 813, a piston rod of the lifting cylinder 813 faces downwards to the bearing turntable 73, and the upper rubber head 812 is fixedly connected to the piston rod of the lifting cylinder 813. In this embodiment, the lifting cylinder 813 is rotatably mounted on the gluing frame 811, a driving motor 814 for driving the lifting cylinder 813 to rotate is disposed on the gluing frame 811, and the driving motor 814 is preferably a servo motor. An output shaft of the driving motor 814 is sleeved with a driving gear 815, the gluing frame 811 is rotatably connected with a connecting shaft 816, the connecting shaft 816 is vertically arranged, the lifting cylinder 813 is fixedly connected to the connecting shaft 816, the connecting shaft 816 is sleeved with a driven gear 817, and the driven gear 817 is meshed with the driving gear 815.

As shown in fig. 10, the back cover assembly 82 includes a back cover frame 821 arranged on one side of the receiving rotary disc 73 and a bottom board receiving frame 822 for placing a back cover board, a sixth air cylinder 823 is vertically arranged on the back cover frame 821, a piston rod of the sixth air cylinder 823 is connected with a second suction cup 824, the second suction cup 824 faces downward to the bottom board receiving frame 822, and a seventh air cylinder 825 for driving the sixth air cylinder 823 to move to the upper side of the receiving rotary disc 73 is horizontally arranged on the back cover frame 821. When the seventh cylinder 825 drives the sixth cylinder 823 to move above the receiving rotary plate 73, the second suction cup 824 faces one of the receiving grooves 75 on the receiving rotary plate 73.

As shown in FIG. 10, after the square cup tube moves below the gluing head 812, the gluing head 812 glues the top inner wall of the square cup tube, after gluing, the receiving turntable 73 rotates to the position of the back cover assembly 82, the sixth air cylinder 823 drives the second suction cup 824 to descend and adsorb the bottom plate on the back cover plate receiving frame 822, then the seventh air cylinder 825 pushes the sixth air cylinder 823 to move horizontally to the position right above the suction cup and the square cup tube, and then the sixth air cylinder 823 drives the second suction cup 824 to descend.

In addition, as shown in fig. 10, the receiving tray support plate 72 is further provided with a cup outlet 14, and when the receiving groove 75 with the cup body is rotated to be aligned with the cup outlet 14, the formed cup body can flow out from the cup outlet 14. The supporting plate 72 is connected with a discharge hopper 15, one end of the discharge hopper 15 is located below the cup discharge groove 14, and the discharge hopper 15 of the cup discharge groove 14 is arranged to be inclined downwards from one end of the cup discharge groove 14 to one end far away from the cup discharge groove 14.

A manufacturing process of a square paper container based on the processing equipment comprises the following steps:

(1) after the cardboard cross cutting, stack the cardboard and enclose synthetic depositing the cavity at four spacing enclosing columns 21, four stop the piece spacing to the cardboard, avoid the cardboard to drop from leaking paper groove 22, then rise to the cardboard of adsorbing the bottommost layer through first cylinder 31 drive first sucking disc 32, adsorb the back, first cylinder 31 drive first sucking disc 32 descends, take the cardboard out from leaking paper groove 22, because the cardboard is soft, so when the cardboard adsorbs behind first sucking disc 32, first sucking disc 32 downstream, the cardboard will take place to warp, the border department of cardboard can be followed and stopped the piece 23 and slided out, and then can take out the cardboard. When the suction cups are lowered to the height of the conveyor belt 33, the paper boards are in contact with the conveyor belt 33, the paper boards are placed on the conveyor belt 33, the conveyor belt 33 conveys the paper boards forwards between the two model plates 46 and the mold cylinder 42, the model plates 46 receive the paper boards, the two second air cylinders 45 respectively push the two model plates 46 to ascend so that the two model plates 46 rotate around the hinge shaft 491, the paper boards are further wrapped on the mold cylinder 42, the hot melting blocks 12 are lowered to be in contact with connection points on two sides of the paper boards through driving of the third air cylinder 10, plastic films on the paper boards are melted and connected, the paper boards form a paper cylinder, and in the process of forming the paper cylinder, the temperature of the model plates 46 is controlled to be between 60 and 70 ℃, preferably 60 degrees, so that the paper cylinder is formed better;

(2) the formed paper tube is taken out from the mold tube 42 to the cup body transportation channel 5 through the cup body demoulding mechanism, a cup withdrawing rod of the cup withdrawing mechanism pushes the paper tube to be transported to a cup body groove 65 of the cup body transportation mechanism 6 along the cup body transportation channel 5, the first stepping motor 64 drives the deformation rotary disc 63 to rotate so as to drive the cup tube to move to the cup leakage groove 66, meanwhile, the bearing air cylinder 77 drives the bearing block 771 to penetrate through a avoiding groove 76 and a bearing groove 75 which are right below the cup leakage groove 66, the top surface of the bearing block 771 is flush with the top surface of the bearing rotary disc 73, the cup tube falls down from the cup leakage groove 66, the bearing block 771 bears on the cup tube, the cup tube is deformed through the cup body deformation mechanism 7, the four fifth air cylinders 79 respectively drive the four deformation plates 78 to press towards the center direction of the cross section of the paper tube along four image limit points at the same time until the cross section of the paper tube is square, the temperature of the four deformation plates 78 of the cup body deformation mechanism 7 is controlled, preferably 85 degrees, the cup body is more easily shaped by heating;

(3) the square paper tube formed in the step (2) is driven by the second stepping motor 74 to rotate by 60 degrees so that the square paper tube is positioned under the gluing head 812, the lifting cylinder 813 drives the gluing head 812 to descend to abut against the inner wall of the top of the square paper tube, the driving motor 814 drives the lifting cylinder 813 to rotate so that the gluing head 812 rotates along the inner wall of the square paper tube to glue the square paper tube, after gluing, the second stepping motor 74 drives the bearing rotary disk 73 to rotate by 60 degrees again so that the glued square paper tube moves to the bottom sealing assembly 82, the sixth cylinder 823 drives the second suction cup 824 to descend to the bottom sealing paper plate on the suction bottom plate bearing frame 822, after suction, the sixth cylinder 823 drives the second suction cup 824 to suck the bottom sealing paper plate to ascend, the seventh cylinder 825 drives the sixth cylinder 823 to move to the second suction cup 824 to face the glued square paper tube, and then the sixth cylinder 823 drives the second suction cup to drive the bottom sealing paper plate to descend, because the paper board is soft, the edge of the bottom sealing paper board deforms when abutting against the edge of the cup cylinder, so that the edge of the bottom sealing paper board turns upwards and is bonded with the inner wall of the cup cylinder to form a square cup body, and a square paper container is manufactured.

A square paper container is shown in figure 11 and comprises a cup body 16 and a cover body 17, wherein the folding corners of the cup body 16 and the cover body 17 are all round corners, the cup body 16 and the cover body 17 are manufactured through the manufacturing process of the square paper container, a paper board for manufacturing the cup body 16 is a fan-shaped paper board, and a paper board for manufacturing the cover body 17 is a square paper board.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides a processing equipment of square paper container, includes brace table (1), its characterized in that: the paper board storage mechanism (2), the paper board conveying mechanism (3) and the cylinder forming mechanism (4) are sequentially arranged on the supporting table (1), a cup body conveying channel (5), a cup body conveying mechanism (6), a cup body deformation mechanism (7) and a cup bottom sealing mechanism (8) are sequentially arranged on one side of the supporting table (1), one end of the cup body conveying channel (5) is communicated with the cylinder forming mechanism (4), and the other end of the cup body conveying channel extends to the upper side of the cup body conveying mechanism (6);

the cup body conveying mechanism (6) comprises a turntable supporting plate (62) and a deformation turntable (63) rotatably arranged on the turntable supporting plate (62), a cup body groove (65) is formed in the deformation turntable (63), and one end of the cup body conveying channel (5) extends to the position above the cup body groove (65); the cup leakage groove (66) is formed in the turntable supporting plate (62), and a first stepping motor (64) for driving the deformation turntable (63) to rotate until the cup body groove (65) is aligned with the cup leakage groove (66) is arranged at the bottom of the turntable supporting plate (62);

the cup body deformation mechanism (7) comprises four deformation plates (78) movably arranged below the turntable supporting plate (62), the four deformation plates (78) are circumferentially distributed along the edge of the cup leakage groove (66), and a square groove is formed by surrounding the four deformation plates (78); the cup body deforming mechanism (7) further comprises four fifth cylinders (79), and the fifth cylinders (79) are used for pushing the deforming plate (78) to move towards the central line of the cup leakage groove (66);

the cup sealing device is characterized in that a receiving rotary table (73) is further arranged below the rotary table supporting plate (62), a receiving groove (75) is formed in the receiving rotary table (73), the receiving groove (75) is located below the receiving cup leakage groove (66), and the cup sealing bottom mechanism (8) is located on one side of the receiving rotary table (73).

2. The apparatus of claim 1, wherein: the paperboard storage mechanism (2) comprises four vertically arranged limiting surrounding columns (21), and a storage cavity for storing paperboards is formed by surrounding the limiting surrounding columns (21).

3. The apparatus of claim 2, wherein: the paperboard conveying mechanism (3) comprises a first air cylinder (31) arranged on the bottom surface of the supporting table (1), a piston rod of the first air cylinder (31) is provided with a first suction cup (32), the supporting table (1) is provided with a paper leakage groove (22) communicated with the storage cavity, the first suction cup (32) faces the paper leakage groove (22), and the periphery side edge of the paper leakage groove (22) is provided with a plurality of blocking blocks (23); cardboard conveying mechanism (3) still including set up in conveyer belt (33) of the both sides of first cylinder (31), the one end of conveyer belt (33) is located leak the below of paper groove (22), the other end of conveyer belt (33) extends to drum forming mechanism (4).

4. The apparatus of claim 3, wherein: the cylinder forming mechanism (4) comprises a cup body forming groove (41) arranged on the supporting table (1) and a die cylinder (42) arranged in the cup body forming groove (41), the cup body forming groove (41) is positioned above one end, far away from the first air cylinder (31), of the conveying belt (33), and one end of the cup body conveying channel (5) is communicated with the cup body forming groove (41); two model plates (46) are arranged below the mold cylinder (42), one ends of the two model plates (46) are hinged, and a second air cylinder (45) used for pushing the model plates (46) to rotate to cover the mold cylinder (42) is arranged on the bottom surface of the supporting table (1).

5. The apparatus of claim 4, wherein: the support table (1) is further provided with a hot frit (12), and the hot frit (12) is located above the die cylinder (42).

6. The apparatus of claim 5, wherein: a cup body demolding mechanism is arranged on the supporting table (1), the cup body demolding mechanism comprises a demolding rod (131) horizontally arranged on the inner wall of the cup body transportation channel (5) and a cup withdrawing assembly arranged on the demolding rod (131), the demolding rod (131) is arranged along the conveying direction of a conveying belt (33), and the demolding rod (131) is connected to the inner wall of the cup body transportation channel (5) in a sliding mode; move back a cup subassembly including set up in the pole (131) of demoulding move back cup hole (133) and slide set up in move back cup hole (133) move back cup pole (132), move back and be provided with spring (134) in cup hole (133), the one end of spring (134) connect in move back cup pole (132), the other end connect in move back the hole bottom in cup hole (133), when spring (134) are in natural state, move back the one end of cup pole (132) and stretch out to cup transportation channel (5).

7. The apparatus of claim 6, wherein: the cup bottom sealing mechanism (8) comprises a cup bottom gluing component (81) and a bottom sealing component (82), the gluing component (81) comprises a gluing frame (811) and a gluing head (812) arranged on the gluing frame (811), a lifting cylinder (813) used for driving the gluing head (812) to lift is arranged on the gluing frame (811), a piston rod of the lifting cylinder (813) faces downwards to the bearing turntable (73), a piston rod of the lifting cylinder (813) is connected to the gluing head (812), and a driving component used for driving the lifting cylinder (813) to rotate is arranged on the gluing frame (811); the bottom sealing assembly (82) comprises a bottom sealing frame (821) arranged on one side of the bearing rotary disc (73) and a bottom plate bearing frame (822) used for placing a bottom sealing paper plate, a sixth air cylinder (823) is vertically arranged on the bottom sealing frame (821), a piston rod of the sixth air cylinder (823) is connected with a second suction cup (824), the second suction cup (824) faces downwards to the bottom plate bearing frame (822), and a seventh air cylinder (825) used for driving the sixth air cylinder (823) to move to the upper side of the bearing rotary disc (73) is arranged on the bottom sealing frame (821).

8. The manufacturing process of the square paper container is characterized by comprising the following steps of:

(1) the paper board is wound into a cylindrical paper tube, the paper board stored in the cavity is conveyed to a cylinder forming mechanism (4) through a paper board conveying mechanism (3) to be formed into the cylindrical paper tube, in the forming process, the temperature of a model plate (46) of the cylinder forming mechanism (4) is controlled to be 60-70 ℃, and the joints of two side edges of the paper board are bonded through hot melting blocks (12) to form the paper tube;

(2) the formed paper tube is conveyed to a cup body deformation mechanism (7) through a cup body conveying mechanism (6) to be deformed, four deformation plates (78) of the cup body deformation mechanism (7) simultaneously move towards the center direction of the section of the paper tube along four quadrant points so as to press the paper tube to the square section of the paper tube, and the temperature of the four deformation plates (78) of the cup body deformation mechanism (7) is controlled between 50 ℃ and 150 ℃ in the deformation process;

(3) and (3) sealing the bottom of the square paper tube formed in the step (2), and bonding a bottom sealing paperboard at one end of the paper tube through a cup bottom sealing mechanism (8) to finish the manufacture of the square paper container.

9. A square paper container, its characterized in that: the paper cup comprises a cup body (16) and a cover body (17), wherein the cup body (16) and the cover body (17) are both manufactured by the manufacturing process of the square paper container as claimed in claim 8.