CN108708226B - Pulp molding tableware production equipment - Google Patents
Pulp molding tableware production equipment Download PDFInfo
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- CN108708226B CN108708226B CN201810874579.2A CN201810874579A CN108708226B CN 108708226 B CN108708226 B CN 108708226B CN 201810874579 A CN201810874579 A CN 201810874579A CN 108708226 B CN108708226 B CN 108708226B
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- conveying
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000465 moulding Methods 0.000 title abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 224
- 238000007493 shaping process Methods 0.000 claims abstract description 86
- 238000012546 transfer Methods 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 238000007731 hot pressing Methods 0.000 claims description 107
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000123 paper Substances 0.000 description 63
- 238000009966 trimming Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 16
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011105 molded pulp Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
Abstract
The invention provides pulp molding tableware production equipment, which comprises a frame, a wet blank transfer mechanism, a first conveying mechanism, a second conveying mechanism, a hot press shaping mechanism and a bearing template, wherein the first conveying mechanism is arranged on the frame; the hot-press shaping mechanism is arranged on the frame; the wet blank transfer mechanism is arranged on the frame and positioned at one end of the hot press shaping mechanism, and is used for transferring the paper mould wet blank in the slurry tank to the supporting template; one end of the hot press shaping mechanism, which is close to the wet blank transferring mechanism, is a wet blank input end, and one end of the hot press shaping mechanism, which is opposite to the wet blank input end, is a wet blank output end; the first conveying mechanism is arranged at the lower part of the frame and is used for conveying the bearing template from the wet blank output end to the wet blank input end; the second conveying mechanisms are arranged on two sides of the hot press shaping mechanism and are used for conveying the bearing templates from the wet blank input end to the hot press shaping mechanism and the wet blank output end. The pulp molding tableware production equipment has the technical effects of low energy consumption and high productivity.
Description
Technical Field
The invention relates to the field of pulp molding production equipment, in particular to pulp molding tableware production equipment.
Background
Pulp molded tableware is a generic term for tableware made of plant fibers, and is an environment-friendly substitute for foamed plastic tableware due to its degradability. The existing pulp molding tableware production equipment comprises a wet blank forming mechanism, a wet blank transferring mechanism, a hot-press shaping mechanism and a trimming mechanism, wherein the wet blank forming mechanism is used for producing paper mold wet blanks, the wet blank transferring mechanism is used for transferring the paper mold wet blanks to the hot-press shaping mechanism, the paper mold wet blanks are changed into paper molds with initial shapes after hot-press shaping by the hot-press shaping mechanism, and then the trimming mechanism trims the paper molds to form pulp molding tableware, the hot-press shaping mechanism comprises a hot-press upper mold and a hot-press lower mold, the hot-press upper mold can horizontally move, and the hot-press lower mold can vertically move.
In the production process, the wet blank transfer mechanism transfers the paper die wet blank from the wet blank forming mechanism to the hot pressing lower die, then the hot pressing lower die rises and the hot pressing upper die is closed to carry out hot pressing shaping on the paper die wet blank, meanwhile, the paper die wet blank is transferred to the hot pressing upper die, then the hot pressing upper die moves horizontally to transfer the paper die to the trimming mechanism, in the process, the hot pressing upper die and the hot pressing lower die are required to carry out vacuum pumping operation with higher vacuum degree, on one hand, because the paper die wet blank is tightly adhered with the hot pressing lower die, the hot pressing upper die is required to output larger suction force to absorb the paper die wet blank, and on the other hand, in order to drain water vapor generated in the hot pressing process, the hot pressing shaping method has larger energy consumption and higher cost. In addition, because the hot-pressing upper die needs to be transferred by vacuum adsorption of the paper die, and fiber scraps of the paper die can block air holes of the hot-pressing upper die, the suction force of the hot-pressing upper die is insufficient, the transfer effect is affected, and the shutdown is used for cleaning the air holes of the hot-pressing upper die and affecting the productivity.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide pulp molding tableware production equipment which has the technical effects of low energy consumption and high productivity.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a pulp molding tableware production device comprises a frame, a wet blank transfer mechanism, a first conveying mechanism, a second conveying mechanism, a hot press shaping mechanism and a supporting template for placing wet blanks of a paper mold; the hot press shaping mechanism is arranged on the frame and is used for hot press shaping of the wet paper mould blank; the wet blank transfer mechanism is arranged on the frame and is positioned at one end of the hot press shaping mechanism, and the wet blank transfer mechanism is used for transferring the paper mould wet blank in the slurry tank to the bearing template; one end of the hot press shaping mechanism, which is close to the wet blank transferring mechanism, is a wet blank input end, and one end of the hot press shaping mechanism, which is opposite to the wet blank input end, is a wet blank output end; the first conveying mechanism is arranged at the lower part of the frame and is used for conveying the bearing template from the wet blank output end to the wet blank input end; the second conveying mechanisms are arranged on two sides of the hot press shaping mechanism, and are used for conveying the bearing templates from the wet blank input end to the hot press shaping mechanism and the wet blank output end.
Preferably, the hot-press shaping mechanism comprises a hot-press upper die, a first lifting device and a hot-press lower die; the first lifting device is arranged above the middle part of the frame, and the hot pressing upper die is arranged on the first lifting device and can move up and down along with the first lifting mechanism; the hot-pressing lower die is oppositely arranged below the hot-pressing upper die and is used for supporting a paper die wet blank; when the bearing template is transferred to the hot-pressing lower die, the hot-pressing upper die and the hot-pressing lower die are matched to carry out hot-pressing shaping on the paper die wet blank.
Compared with the prior art, the pulp molding tableware production equipment has the following beneficial effects:
(1) According to the invention, the paper mould wet blank is placed on the bearing template, and is conveyed to the hot press shaping mechanism and the wet blank output end along with the bearing template from the wet blank input end, so that the hot press lower mould can be kept motionless in the operation process of the hot press shaping mechanism, the hot press upper mould only moves in the vertical direction, the accurate alignment of the hot press upper mould and the hot press lower mould is ensured, the hot press shaping precision of the hot press shaping mechanism is improved, the quality of paper pulp molded tableware is further improved, the quantity of defective products is reduced, and the production cost is saved;
(2) According to the invention, the paper mould wet blank is placed on the supporting template, and is transferred along with the supporting template, so that the situation that the paper mould wet blank is separated from the hot pressing lower die by the output suction force of the hot pressing upper die after the paper mould wet blank is directly contacted with the hot pressing lower die is avoided, and compared with the existing equipment, the hot pressing upper die disclosed by the invention does not need to output suction force to adsorb the paper mould wet blank, but only needs to output less suction force to discharge water vapor generated in the hot pressing process, thereby saving 60% -80% of vacuum load and effectively reducing energy consumption in the hot pressing shaping process;
(3) Because the hot pressing upper die only needs to output less suction force for discharging the water vapor generated in the hot pressing process, the suction amount of fiber scraps of the paper die can be reduced, and the condition that the hot pressing upper die is cleaned by stopping in the production process is avoided, thereby improving the productivity of the invention, realizing the continuous production of paper pulp molding tableware, simultaneously avoiding that a large amount of fiber scraps of the paper die enter the hot pressing upper die to influence the normal operation of the hot pressing upper die, and reducing the maintenance cost of the invention.
Preferably, the first conveying mechanism comprises two bearing mechanisms and a horizontal conveying structure; the two bearing mechanisms are respectively positioned at the wet blank input end and the wet blank output end, and can be lifted up and down to be horizontally butted with the hot press shaping mechanism; the horizontal conveying structure is arranged between the two supporting mechanisms, and the supporting templates can horizontally move between the two supporting mechanisms through the horizontal conveying structure.
Preferably, the bearing mechanism comprises a bearing bracket and a lifting structure; the lifting structure comprises a guide piece and a lifting driving device, the guide piece is vertically arranged, the support bracket is in sliding connection with the guide piece, and the lifting driving device is used for driving the support bracket to reciprocate up and down along the length direction of the guide piece; the support bracket is provided with a horizontal support arm, and the horizontal support arm is used for supporting the template to be placed.
Preferably, a first positioning structure is arranged between the bearing template and the bearing bracket; the first positioning structure comprises a positioning hole arranged on the bearing template and a first positioning convex column arranged on the bearing bracket, and the first positioning convex column is matched with the positioning hole.
The bearing mechanism has the advantages of small number of parts, simple structure, convenient production and assembly and convenient later maintenance.
By arranging the first positioning structure, on one hand, the support template is ensured to be firmly arranged on the support bracket, so that the support template is prevented from shaking and being separated from the support bracket when the support template is operated, and on the other hand, the arrangement mode can ensure that the support template is accurately positioned on the support bracket, and the second conveying mechanism is convenient for transferring the support template.
Preferably, the horizontal conveying structure comprises a conveying belt, a third driving device and at least two rotating pieces; the two rotating parts are respectively and rotatably arranged below the two bearing mechanisms, and the conveying belt is connected with the two rotating parts; the third driving device can drive any rotating piece to rotate, so that the conveying belt conveys the bearing template from the bearing mechanism positioned at the wet blank output end to the bearing mechanism positioned at the wet blank input end.
Preferably, a third positioning structure is arranged between the bearing template and the conveying belt; the third positioning structure comprises a positioning hole arranged on the bearing template and a third positioning convex column arranged on the conveying belt, and the third positioning convex column is matched with the positioning hole; because the horizontal conveying structure utilizes the conveyer belt to convey the bearing template, through setting up third location structure, can avoid the bearing template to skid on the conveyer belt, influence the conveying efficiency of horizontal conveying structure, simultaneously, this kind of setting up mode can ensure that the conveyer belt transports the bearing template to appointed position on, accurate and two bearing mechanism butt joints transfer bearing template.
Preferably, the second conveying mechanism comprises a third guide piece, a sliding seat, a third support bracket and a second lifting device; the two third guide parts are respectively arranged at two sides of the hot pressing lower die and extend to the wet blank input end and the wet blank output end; the third support bracket, the sliding seat and the second lifting device are all provided with at least four sliding seats which are arranged on the two third guide pieces in a sliding way in pairs; the third support bracket is arranged on the sliding seat in a lifting manner through the second lifting device.
The second conveying mechanism adopts the setting mode and has the following technical effects:
(1) Because the third support brackets are at least four and are arranged in a pair of opposite way, the second conveying mechanism can simultaneously convey two support templates, one support template is conveyed into the hot press shaping mechanism, and the other support template is conveyed out of the hot press shaping mechanism, so that the continuous operation of the hot press shaping mechanism is realized, and the production efficiency of the hot press shaping mechanism is improved;
(2) When the device works, the sliding seat moves to the bearing mechanism/hot-press shaping mechanism at the wet blank input end along the third guide piece, the second lifting device drives the third bearing bracket to lift the bearing template, the sliding seat moves to move the bearing template out of the bearing mechanism/hot-press shaping mechanism at the wet blank input end, the second lifting device drives the third bearing bracket to descend so that the bearing template is arranged at the hot-press shaping mechanism/wet blank output end, and in the process, the bearing template is not in direct contact with other parts, so that the resistance born in the transfer process of the bearing template is reduced, and the transfer efficiency of the second conveying mechanism is improved;
(3) The supporting template is in a lifted state in the transferring process, so that the probability of damage caused by collision with other parts is reduced, the service life of the invention is prolonged, and the maintenance cost of the invention is reduced.
Preferably, a fourth positioning structure is arranged between the bearing template and the third bearing bracket; the fourth positioning structure comprises a positioning hole arranged on the bearing template and a fourth positioning convex column arranged on the conveying belt, and the fourth positioning convex column is matched with the positioning hole. Through setting up fourth location structure, ensure on the one hand that the bearing template sets up on the third support bracket firmly, avoid the bearing template to deviate from appointed processing station in the transfer process, break away from the third support bracket even to improve the machining precision of hot pressing plastic mechanism to the wet base of paper mould.
Preferably, the bearing template is provided with a placement hole, and the paper mould wet blank is placed in the placement hole.
Drawings
FIG. 1 is a first schematic illustration of a first embodiment;
FIG. 2 is an enlarged partial view of area A of FIG. 1;
FIG. 3 is a second schematic view of the first embodiment;
FIG. 4 is an enlarged partial view of region B of FIG. 3;
FIG. 5 is an enlarged partial view of region C of FIG. 3;
FIG. 6 is a schematic view of a horizontal transport structure;
FIG. 7 is a schematic diagram of a second embodiment;
FIG. 8 is a first schematic assembly view of the wet blank forming mechanism, the wet blank transfer mechanism, the first conveying mechanism, the second conveying mechanism, and the hot press shaping mechanism;
FIG. 9 is a second schematic assembly view of the wet blank forming mechanism, the wet blank transfer mechanism, the first conveying mechanism, the second conveying mechanism, and the hot press shaping mechanism;
FIG. 10 is an assembled schematic view of the wet blank forming mechanism and the wet blank transfer mechanism;
FIG. 11 is an assembled schematic view of the trimming mechanism and stacking mechanism;
fig. 12 is a schematic view of a holding template.
Description of the reference numerals:
the device comprises a frame, a wet blank forming mechanism, a slurry tank 21, a wet blank transferring mechanism 3, a first supporting mechanism 41, a first supporting bracket 411, a first guide piece 412, a first horizontal supporting arm 413, a first positioning boss 414, a second supporting mechanism 42, a second supporting bracket 421, a second guide piece 422, a second horizontal supporting arm 423, a second positioning boss 424, a horizontal conveying structure 43, a conveying belt 431, a third driving device 432, a rotary member 433, a third positioning boss 434, a servo motor 435, a transmission shaft 436, a driven shaft 437, a synchronous belt 438, a fourth positioning boss 439, a second conveying mechanism 5, a third guide piece 51, a sliding seat 52, a third supporting bracket 53, a second lifting device 54, a hot pressing station 60, a hot pressing upper die 61, a hot pressing lower die 631, a lifting guide rod 632, a pressure boosting cylinder 633, a wet blank input end 64, a wet blank output end 65, a trimming mechanism 7, a trimming sucker device 72, a trimming upper die 73, a trimming lower die structure 8 stacking mechanism, a supporting sucker 81, a stacking device 82, a stacking sucker device 82, a stacking sucker conveying platforms 84, a stacking sucker positioning tables 9, and template positioning holes 91.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 6 and 12, a pulp-molded tableware production apparatus of the present embodiment comprises a frame 1, a wet blank transfer mechanism 3, a first conveying mechanism, a second conveying mechanism 5, a hot press shaping mechanism, and a holding die plate 9 for holding wet blanks of a paper mold.
Specifically, the supporting template 9 is any one of a bracket, a cover body or a screen, the supporting template 9 is provided with a placement hole 91, and the paper mold wet blank is placed in the placement hole 91 (the paper mold wet blank is molded in the wet blank molding mechanism and has a certain hardness after preliminary dehydration is completed, and can be clamped in the placement hole 91).
The hot press shaping mechanism is arranged on the frame and is used for hot press shaping of the wet paper mould blank. The hot pressing shaping mechanism comprises a hot pressing upper die 61, a first lifting device and a hot pressing lower die 62, wherein the first lifting device is arranged above the middle part of the frame 1, and the hot pressing upper die 61 is arranged on the first lifting device and can move up and down along with the first lifting mechanism; the hot pressing lower die 62 is oppositely arranged below the hot pressing upper die 61 and is used for supporting a paper die wet blank; when the supporting template 9 is transferred to the hot pressing lower die 62, the hot pressing upper die 61 and the hot pressing lower die 62 are clamped to carry out hot pressing shaping on the paper die wet blank. One end of the hot press shaping mechanism, which is close to the wet blank transferring mechanism 3, is a wet blank input end 64, and one end of the hot press shaping mechanism, which is opposite to the wet blank input end 64, is a wet blank output end 65.
Specifically, the hot pressing upper die 61 and/or the hot pressing lower die 62 are provided with a heating element (not shown in the figure) and a vacuum-pumping device (not shown in the figure).
Specifically, the first lifting device includes a lifting cylinder 631, a guide rod 632, and a pressurizing cylinder 633, wherein the lifting cylinder 631 is configured to power the vertical up-and-down movement of the hot pressing upper die 61; the guide rod 632 is arranged at the upper part of the hot pressing upper die 61 and is in sliding connection with the upper part of the frame 1, and the stability of the hot pressing upper die 61 during movement is improved by arranging the guide rod 632; the pressurizing cylinder 633 is used to increase the pressure applied by the upper hot pressing die 61 to the lower hot pressing die 62 when the upper hot pressing die 61 and the lower hot pressing die 62 are clamped, thereby increasing the hot pressing shaping effect of the hot pressing shaping mechanism.
The first conveying mechanism is arranged at the lower part of the frame 1 and is used for conveying the bearing template 9 from the wet blank output end 65 to the wet blank input end 64.
The first conveying mechanism comprises two bearing mechanisms and a horizontal conveying structure 43; the two bearing mechanisms are respectively positioned at the wet blank input end 64 and the wet blank output end 65, and can be lifted up and down to be horizontally butted with the hot press shaping mechanism; the horizontal conveying structure 43 is arranged between the two supporting mechanisms, and the supporting template 9 can horizontally move between the two supporting mechanisms through the horizontal conveying structure 43.
The two supporting mechanisms are a first supporting mechanism 41 and a second supporting mechanism 42 respectively, and the first supporting mechanism 41 is arranged at the wet blank input end 64 in a lifting manner; the second supporting mechanism 42 is arranged at the wet blank output end 65 in a lifting manner.
The wet blank transfer mechanism 3 is arranged on the upper portion of the frame 1 in a horizontally movable manner and is positioned at one end of the hot press shaping mechanism, specifically, the wet blank transfer mechanism 3 is arranged above the first bearing mechanism 41, and the wet blank transfer mechanism 3 is used for transferring paper mould wet blanks in the slurry tank 21 to the bearing template 9 of the first bearing mechanism 41.
The second conveying mechanisms 5 are arranged on two sides of the hot press shaping mechanism, and the second conveying mechanisms 5 are used for conveying the bearing templates 9 from the wet blank input end 64 to the hot press shaping mechanism and the wet blank output end 65.
Preferably, the first supporting mechanism 41 includes a first supporting bracket 411 and a lifting structure; the lifting structure comprises a first guide piece 412 and a first lifting driving device, the first guide piece 412 is vertically arranged, the first support bracket 411 is slidably connected with the first guide piece 412, and the first lifting driving device is used for driving the first support bracket 411 to reciprocate up and down along the length direction of the first guide piece 412; the first support bracket 411 is provided with a first horizontal support arm 413, and the first horizontal support arm 413 is used for supporting the template 9.
Preferably, two first guiding elements 412 are provided, the two first guiding elements 412 are oppositely disposed below two sides of the first support bracket 411, two sides of the first support bracket 411 are slidably connected with the two first guiding elements 412, and by providing two first guiding elements 412, stability of the first support bracket 411 during up-and-down movement can be improved.
Specifically, the first horizontal supporting arms 413 are in a strip shape, the two first horizontal supporting arms 413 are respectively arranged at two sides of the first supporting bracket 411, and the arrangement mode can enable two sides of the supporting template 9 to be firmly arranged on the first supporting bracket 411, meanwhile, the weight of the first supporting bracket 411 is reduced, the production cost is reduced, the load of the first lifting driving device is reduced, and the energy consumption is reduced.
Preferably, a first positioning structure is arranged between the bearing template 9 and the first bearing bracket 411; the first positioning structure comprises a positioning hole 90 arranged on the bearing template 9, and a first positioning convex column 414 arranged on the first bearing bracket 411, wherein the first positioning convex column 414 is matched with the positioning hole 90. Specifically, the first positioning boss 414 is disposed on the first horizontal support arm 413.
Preferably, the second supporting mechanism 42 includes a second supporting bracket 421 and a lifting structure; the lifting structure comprises a second guide piece 422 and a second lifting driving device, the second guide piece 422 is vertically arranged, the second support bracket 421 is slidably connected with the second guide piece 422, and the second lifting driving device is used for driving the second support bracket 421 to reciprocate up and down along the length direction of the second guide piece 422; the second support bracket 421 is provided with a second horizontal support arm 423, and the second horizontal support arm 423 is used for supporting the template 9.
Specifically, two second guide members 422 are provided, and two second guide members 422 are disposed under two sides of the second support bracket 421, and two sides of the second support bracket 421 are slidably connected to the two second guide members 422, respectively.
Specifically, the second horizontal support arms 423 are bar-shaped, and the second horizontal support arms 423 are provided with two second support brackets 421 respectively disposed at two sides of the second support bracket 421.
Preferably, a second positioning structure is arranged between the bearing template 9 and the second bearing bracket 421; the second positioning structure comprises a positioning hole 90 formed in the supporting template 9, and a second positioning boss 424 formed in the second supporting bracket 421, wherein the second positioning boss 424 is matched with the positioning hole 90. Specifically, the second positioning boss 424 is disposed on the second horizontal support arm 423.
The first bearing mechanism 41 and the second bearing mechanism 42 have the advantages of less parts, simple structure, convenient production and assembly and convenient later maintenance.
By arranging the first positioning structure and the second positioning structure, on one hand, the bearing template 9 is ensured to be firmly arranged on the first bearing bracket 411/the second bearing bracket 421, so that the bearing template 9 is prevented from shaking to be separated from the first bearing bracket 411/the second bearing bracket 421 when the invention is operated, and on the other hand, the arrangement mode can ensure that the bearing template 9 is accurately positioned on the first bearing bracket 411/the second bearing bracket 421, and the second conveying mechanism 5 is convenient for transferring the bearing template 9.
Specifically, the first guide 412 and the second guide 422 may be screw rods or slide rails; the first lifting driving device and the second lifting driving device comprise a servo motor 435, a transmission shaft 436, a driven shaft 437 and a synchronous belt 438, wherein the transmission shaft 436 is arranged in the middle of the frame 1, the driven shaft 437 is arranged at the lower part of the frame 1 corresponding to the transmission shaft 436, the synchronous belt 438 is connected with the transmission shaft 436 and the driven shaft 437, the first support bracket 411/the second support bracket 421 is connected with the synchronous belt 438, and the servo motor 435 drives the transmission shaft 436 to rotate and drives the synchronous belt 438 to move.
Preferably, the horizontal conveying structure 43 includes a conveying belt 431, a third driving device 432 and at least two rotating members 433; the two rotating members 433 are rotatably arranged below the first bearing mechanism 41 and the second bearing mechanism 42 respectively, and the conveying belt 431 is connected with the two rotating members 433; the third driving device 432 may drive any rotating member 433 to rotate, so that the conveyor 431 may convey the supporting form 9 from the second supporting mechanism 42 to the first supporting mechanism 41.
As one arrangement of the horizontal conveyance structure 43: the four rotating members 433 are provided, the rotating members 433 are synchronous wheels or gears, the four rotating members 433 are arranged below the first bearing mechanism 41 and the second bearing mechanism 42 in pairs, the two rotating members 433 arranged oppositely are connected through a rotating shaft, and the third driving device 432 drives the rotating members 433 to rotate through the rotating shaft; the two conveying belts 431 are arranged, the conveying belts 431 are synchronous belts or chains, one end of each conveying belt 431 is connected with a rotating piece 433 located below the corresponding first bearing mechanism 41, and the other end of each conveying belt 431 is connected with a corresponding rotating piece 433 located below the corresponding first bearing mechanism 41.
As another arrangement of the horizontal conveyance structure 43: the two rotating members 433 are provided, the rotating members 433 are rollers, the two rotating members 433 are disposed below the first supporting mechanism 41 and the second supporting mechanism 42 in pairs, the two rotating members 433 disposed opposite to each other are connected by a rotating shaft (not shown), and the third driving device 432 drives the rotating members 433 to rotate through the rotating shaft; the two conveying belts 431 are arranged, the conveying belts 431 are synchronous belts or chains, one end of each conveying belt 431 is connected with a rotating piece 433 located below the corresponding first bearing mechanism 41, and the other end of each conveying belt 431 is connected with a corresponding rotating piece 433 located below the corresponding first bearing mechanism 41.
Preferably, a third positioning structure is arranged between the bearing template 9 and the conveyer belt 431; the third positioning structure comprises a positioning hole 90 arranged on the bearing template 9, and a third positioning convex column 434 arranged on the conveying belt 431, wherein the third positioning convex column 434 is matched with the positioning hole 90; because the horizontal conveying structure 43 utilizes the conveying belt 431 to convey the bearing template 9, the third positioning structure is arranged, so that the bearing template 9 can be prevented from slipping on the conveying belt 431, the conveying efficiency of the horizontal conveying structure 43 is affected, and meanwhile, the conveying belt 431 can be ensured to convey the bearing template 9 to a designated position in such a way, and the bearing template 9 is accurately in butt joint with the first bearing mechanism 41/the second bearing mechanism 42.
Preferably, the second conveying mechanism 5 includes a third guide 51, a sliding seat 52, a third support bracket 53 and a second lifting device 54; the third guide members 51 are provided in two, are respectively arranged at two sides of the hot pressing lower die 62, and extend 65 to the wet blank input end 64 and the wet blank output end; the third support bracket 53, the sliding seat 52 and the second lifting device 54 are provided with at least four sliding seats 52 which are arranged on the two third guide pieces 51 in a sliding manner in pairs, and the four sliding seats 52 can slide synchronously; the third support bracket 53 is arranged on the sliding seat 52 in a lifting manner through the second lifting device 54; the second lifting device 54 is a lifting cylinder.
The second conveying mechanism 5 adopts the above arrangement mode and has the following technical effects:
(1) Because the third supporting brackets 53 are at least four and are arranged in pairs, the second conveying mechanism 5 can simultaneously convey two supporting templates 9, one supporting template 9 is sent into the hot press shaping mechanism, and the other supporting template 9 is sent out of the hot press shaping mechanism, so that continuous operation of the hot press shaping mechanism is realized, and the production efficiency of the invention is improved;
(2) When the hot press shaping device works, the sliding seat 52 moves to the position appointed by the first bearing mechanism 41/the hot press shaping mechanism along the third guide piece 51, the second lifting device 54 drives the third bearing bracket 53 to lift the bearing template 9, then the sliding seat 52 moves to move the bearing template 9 out of the first bearing mechanism 41/the hot press shaping mechanism, the second lifting device 54 drives the third bearing bracket 53 to descend so that the bearing template 9 is placed on the hot press shaping mechanism/the wet blank output end 65, and in the process, the bearing template 9 is not in direct contact with other parts, so that the resistance born by the bearing template 9 in the transferring process is reduced, and the transferring efficiency of the second conveying mechanism 5 is improved;
(3) The supporting template 9 is in a lifted state in the transferring process, so that the probability of damage caused by collision with other parts is reduced, the service life of the invention is prolonged, and the maintenance cost of the invention is reduced.
When the third support bracket 53 lifts the support template 9, the support template 9 pushes the paper mold wet blank through the inner wall of the placement hole 91, so that the paper mold wet blank is separated from the hot pressing mold 62; when the third support bracket 53 descends, the support template 9 moves downwards and places the paper mould wet blank on the hot pressing lower mould 62, and the hot pressing upper mould 61 and the hot pressing lower mould 62 are clamped in the hot pressing shaping process, so that a high-temperature closed space is formed for dehydrating the paper mould wet blank.
Preferably, a fourth positioning structure is arranged between the bearing template 9 and the third bearing bracket 53; the fourth positioning structure comprises a positioning hole 90 arranged on the supporting template 9, and a fourth positioning convex column 439 arranged on the conveying belt 431, and the fourth positioning convex column 439 is matched with the positioning hole 90. Through setting up fourth location structure, ensure on the one hand that bearing template 9 firmly sets up on third support bracket 53, avoid bearing template 9 to deviate from appointed processing station in the transfer process, break away from third support bracket 53 even to improve the machining precision of hot press plastic mechanism to the wet base of paper mould.
Preferably, the number of the hot pressing lower dies 62 is at least two, and the number of the hot pressing upper dies 61 is at least two corresponding to the number of the hot pressing lower dies 62; the two hot pressing upper dies 61 and the two hot pressing lower dies 62 are respectively enclosed to form two hot pressing stations 60.
The hot press shaping mechanism is provided with two hot press stations 60, which has the following beneficial effects:
(1) To ensure that the single upper and lower hot press dies 61, 62 completely dehydrate the wet paper mold blanks, the heating temperature of the upper and lower hot press dies 61, 62 needs to be increased, but this results in an increase in energy consumption for hot press shaping; by arranging two hot pressing stations 60 on the hot pressing shaping mechanism, the paper mould wet blank is subjected to secondary dehydration, so that the dehydration efficiency is improved while the single hot pressing upper mould 61 and the hot pressing lower mould 62 keep lower heating power, the problems of large shrinkage degree and high rejection rate caused by excessive single water loss of the paper mould wet blank can be solved, and the energy consumption in the hot pressing shaping process can be reduced;
(2) Because the hot press shaping mechanism is provided with two hot press stations 60, hot press shaping can be carried out on two paper mould wet blanks at the same time, thereby improving the production efficiency of the invention;
(3) Because the paper mold wet blank is subjected to secondary extrusion at the two hot pressing stations 60, the structural strength of the paper mold wet blank and the precision of the shape of the paper mold wet blank are enhanced, and compared with the paper mold wet blank on the market, the paper mold wet blank has higher quality and precision.
Specifically, three hot pressing lower dies 62 are provided, three hot pressing upper dies 61 are provided corresponding to the three hot pressing lower dies 62, and the three hot pressing upper dies 61 and the three hot pressing lower dies 62 are respectively enclosed to form three hot pressing stations 60; eight third supporting brackets 53, sliding seats 52 and second lifting devices 54 are arranged, six sliding seats 52 are arranged on two third guide pieces 51 in a sliding manner in pairs, and four sliding seats 52 positioned on the same third guide piece 51 can slide synchronously; the third support bracket 53 is arranged on the sliding seat 52 in a lifting manner through the second lifting device 54; the second lifting device 54 is a lifting cylinder. The bearing templates 9 are five, namely a bearing template No. 1, a bearing template No. 2, a bearing template No. 3, a bearing template No. 4 and a bearing template No. 5.
The working principle of the invention is as follows: when the pulp molding tableware production equipment works, a No. 1 supporting template is arranged on the first supporting mechanism 41 for the wet blank transferring mechanism 3 to place the wet blank of the paper mold; the No. 2 bearing template is arranged on the horizontal conveying structure 43 and is transferred to the lower part of the first bearing mechanism 41; the number 3 bearing template, the number 4 bearing template and the number 5 bearing template are respectively provided with paper mould wet blanks, and the number 3 bearing template, the number 4 bearing template and the number 5 bearing template are respectively positioned in three hot pressing stations 60 (the number 3 bearing template is positioned on the hot pressing station 60 close to the wet blank output end 65, and the number 5 bearing template is positioned on the hot pressing station 60 close to the wet blank input end 64); after the hot press forming mechanism completes one hot press shaping, the sliding seat 52 of the second conveying mechanism 5 moves to transfer the No. 4 bearing template and the No. 5 bearing template to the hot press station 60 in the direction of the wet blank output end 65, and simultaneously, the No. 3 bearing template is sent out to the second bearing mechanism 42, and the No. 1 bearing template is sent to the hot press station 60 close to the wet blank input end 64; the sliding seat 52 of the second conveying mechanism 5 is reset; at this time, the No. 2 support template is transferred from the horizontal conveying structure 43 to the first support mechanism 41, and waits for the wet blank transfer mechanism 3 to transfer the paper mold wet blank. After the paper mold semi-finished product on the No. 3 bearing template is transferred, the second bearing bracket 421 of the second bearing mechanism 42 descends, the No. 3 bearing template is transferred to the horizontal conveying structure 43, and a new round of hot press shaping is started. Any paper mould wet blank is subjected to three times of hot pressing and drying.
Example two
Referring to fig. 7 to 12, this embodiment is a modification of the first embodiment, and differs from the first embodiment in that a pulp-molded tableware producing apparatus of this embodiment further includes a wet blank forming mechanism 2, a trimming mechanism 7, and a stacking mechanism 8.
The wet blank forming mechanism 2 is arranged on one side of the frame 1 near the wet blank input end 64 and is used for producing paper mould wet blanks. The wet blank forming mechanism 2 comprises a slurry supply device (not shown in the figure) and a slurry tank 21, and a slurry suction mold (not shown in the figure) arranged in the slurry tank 21, wherein the slurry supply device is used for controlling the liquid level of the slurry in the slurry tank 21 so as to enable the slurry suction mold to be soaked or separated from the slurry; the pulp suction mould is used for adsorbing paper pulp in the pulp to prepare a paper mould wet blank.
The wet blank transfer mechanism 3 is arranged between the wet blank forming mechanism 2 and the hot press shaping mechanism.
The trimming mechanism 7 is arranged on one side of the second bearing mechanism 42 opposite to the hot press shaping mechanism, the trimming mechanism 7 comprises a trimming sucker device 71, a trimming upper die 72 and a trimming lower die structure 73, the trimming upper die 72 is arranged on the upper portion of the frame 1 in a lifting manner, the trimming lower die structure 73 is arranged on the lower portion of the frame 1 corresponding to the trimming upper die 72, the trimming upper die 72 and the trimming lower die structure 73 are enclosed to form a trimming station, the sucker device is horizontally movably arranged on the frame 1, and the sucker device is used for transferring a paper die on the second bearing mechanism 42 to the trimming lower die structure 73; the trimming upper die 72 can be matched with or separated from the trimming lower die structure 73; the upper trimming die 72 and the lower trimming die structure 73 are clamped to trim the paper die to form pulp molded tableware, and the molded pulp molded tableware is adsorbed on the upper trimming die 72.
The stacking mechanism 8 is arranged on one side of the edge cutting mechanism 7 opposite to the second supporting mechanism 42, and the stacking mechanism 8 comprises a transfer sucker device 81, a stacking sucker device 82 and a stacking conveying table 83; the stacking suction cup device 82 is arranged on the stacking conveying table 83, and the transferring suction cup device 81 is arranged between the stacking conveying table 83 and the trimming mechanism 7 and is used for transferring pulp molded tableware on the trimming mechanism 7 to the stacking suction cup device 82; after the pulp molded tableware is transferred to the stacking suction cup device 82, the stacking suction cup device 82 stacks the pulp molded tableware on the stacking conveyor 83 in sequence; the stack conveyor 83 is provided with a conveyor line 84 for discharging pulp molded tableware.
Compared with the prior art, the pulp molding tableware production equipment has the following beneficial effects:
(1) According to the invention, the paper mold wet blank is placed on the bearing template 9, and is conveyed to the hot press shaping mechanism and the wet blank output end 65 along with the bearing template from the wet blank input end 64, so that the hot press lower mold 62 can keep motionless in the operation process of the hot press shaping mechanism, the hot press upper mold 61 only moves in the vertical direction, the accurate alignment of the hot press upper mold 61 and the hot press lower mold 62 is ensured, the hot press shaping precision of the hot press shaping mechanism is improved, the quality of paper pulp molded tableware is further improved, the number of defective products is reduced, and the production cost is saved;
(2) According to the invention, the paper mould wet blank is placed on the bearing template 9, and is transferred along with the bearing template 9, so that the paper mould wet blank is prevented from being separated from the hot pressing lower mould 62 by the suction output of the hot pressing upper mould 61 after being directly contacted with the hot pressing lower mould 62, and therefore, compared with the existing equipment, the hot pressing upper mould 61 does not need to output suction to absorb the paper mould wet blank, but only needs to output less suction to discharge water vapor generated in the hot pressing process, thereby saving 60% -80% of vacuum load and effectively reducing energy consumption in the hot pressing shaping process;
(3) Because the hot pressing upper die 61 only needs to output less suction force for discharging water vapor generated in the hot pressing process, the suction amount of fiber scraps of the paper die can be reduced, and the condition that the hot pressing upper die 61 is cleaned by stopping in the production process is avoided, thereby improving the productivity of the invention, realizing the continuous production of pulp molding tableware, simultaneously avoiding that a large amount of fiber scraps of the paper die enter the hot pressing upper die 61, affecting the normal operation of the hot pressing upper die 61 and reducing the maintenance cost of the invention.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. A pulp-molded tableware production device, characterized in that: comprises a frame, a wet blank transferring mechanism, a first conveying mechanism, a second conveying mechanism, a hot press shaping mechanism and a supporting template for placing a paper mould wet blank;
the hot press shaping mechanism is arranged on the frame and is used for hot press shaping of the wet paper mould blank;
the wet blank transfer mechanism is arranged on the frame and is positioned at one end of the hot press shaping mechanism, and the wet blank transfer mechanism is used for transferring the paper mould wet blank in the slurry tank to the bearing template; one end of the hot press shaping mechanism, which is close to the wet blank transferring mechanism, is a wet blank input end, and one end of the hot press shaping mechanism, which is opposite to the wet blank input end, is a wet blank output end;
the first conveying mechanism is arranged at the lower part of the frame and is used for conveying the bearing template from the wet blank output end to the wet blank input end;
the second conveying mechanisms are arranged on two sides of the hot press shaping mechanism, and are used for conveying the bearing templates from the wet blank input end to the hot press shaping mechanism and the wet blank output end in sequence.
2. A pulp-molded tableware production facility as defined in claim 1, wherein: the hot-press shaping mechanism comprises a hot-press upper die, a first lifting device and a hot-press lower die;
the first lifting device is arranged above the middle part of the frame, and the hot pressing upper die is arranged on the first lifting device and can move up and down along with the first lifting device;
the hot-pressing lower die is oppositely arranged below the hot-pressing upper die and is used for supporting a paper die wet blank;
when the bearing template is transferred to the hot-pressing lower die, the hot-pressing upper die and the hot-pressing lower die are matched to carry out hot-pressing shaping on the paper die wet blank.
3. A pulp-molded tableware production facility as claimed in claim 2, wherein: the first conveying mechanism comprises two bearing mechanisms and a horizontal conveying structure;
the two bearing mechanisms are respectively positioned at the wet blank input end and the wet blank output end, and can be lifted up and down to be horizontally butted with the hot press shaping mechanism;
the horizontal conveying structure is arranged between the two bearing mechanisms, and the bearing template can horizontally move between the two bearing mechanisms through the horizontal conveying structure.
4. A pulp-molded tableware producing apparatus as defined in claim 3, wherein: the bearing mechanism comprises a bearing bracket and a lifting structure;
the lifting structure comprises a guide piece and a lifting driving device, the guide piece is vertically arranged, the support bracket is in sliding connection with the guide piece, and the lifting driving device is used for driving the support bracket to reciprocate up and down along the length direction of the guide piece;
the support bracket is provided with a horizontal support arm, and the horizontal support arm is used for supporting the template to be placed.
5. The pulp-molded tableware production facility as claimed in claim 4, wherein: a first positioning structure is arranged between the bearing template and the bearing bracket;
the first positioning structure comprises a positioning hole arranged on the bearing template and a first positioning convex column arranged on the bearing bracket, and the first positioning convex column is matched with the positioning hole.
6. A pulp-molded tableware producing apparatus as defined in claim 3, wherein: the horizontal conveying structure comprises a conveying belt, a third driving device and at least two rotating pieces; the at least two rotating parts are respectively and rotatably arranged below the two bearing mechanisms, and the conveying belt is connected with the at least two rotating parts; the third driving device can drive any rotating piece to rotate, so that the conveying belt conveys the bearing template from the bearing mechanism positioned at the wet blank output end to the bearing mechanism positioned at the wet blank input end.
7. A pulp-molded tableware production facility as defined in claim 6, wherein: a third positioning structure is arranged between the bearing template and the conveying belt;
the third positioning structure comprises a positioning hole arranged on the bearing template and a third positioning convex column arranged on the conveying belt, and the third positioning convex column is matched with the positioning hole.
8. A pulp-molded tableware production facility as defined in claim 6, wherein: the second conveying mechanism comprises a third guide piece, a sliding seat, a third support bracket and a second lifting device;
the third guide parts are arranged at two sides of the hot pressing lower die respectively and extend to the wet blank input end and the wet blank output end;
the third support bracket, the sliding seat and the second lifting device are all provided with four sliding seats which are arranged on the two third guide pieces in a sliding way in pairs; the third support bracket is arranged on the sliding seat in a lifting manner through the second lifting device.
9. A pulp-molded tableware production facility as defined in claim 8, wherein: a fourth positioning structure is arranged between the bearing template and the third bearing bracket;
the fourth positioning structure comprises a positioning hole arranged on the bearing template and a fourth positioning convex column arranged on the conveying belt, and the fourth positioning convex column is matched with the positioning hole.
10. A pulp-molded tableware production facility as claimed in any one of claims 1 to 2, characterized in that: and the bearing template is provided with a placement hole, and the paper mold wet blank is placed in the placement hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810874579.2A CN108708226B (en) | 2018-08-03 | 2018-08-03 | Pulp molding tableware production equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874579.2A CN108708226B (en) | 2018-08-03 | 2018-08-03 | Pulp molding tableware production equipment |
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| CN108708226A CN108708226A (en) | 2018-10-26 |
| CN108708226B true CN108708226B (en) | 2023-12-12 |
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| CN201810874579.2A Active CN108708226B (en) | 2018-08-03 | 2018-08-03 | Pulp molding tableware production equipment |
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| CN112681019A (en) * | 2020-12-22 | 2021-04-20 | 珠海格力智能装备有限公司 | Pulp moulding equipment |
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| CN208748440U (en) * | 2018-08-03 | 2019-04-16 | 佛山市必硕机电科技有限公司 | A kind of moulded pulp set for dining production equipment |
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| WO1997022755A1 (en) * | 1995-12-15 | 1997-06-26 | Celtec Development Ab | Method and arrangement for producing a fibre product |
| CN2424226Y (en) * | 2000-05-22 | 2001-03-21 | 浙江衢州绿色餐具有限公司 | Full alltomatic pulp moulding appts. |
| CN2630300Y (en) * | 2003-08-14 | 2004-08-04 | 郑天波 | Fully-automatic pulp moulding-shaping machine |
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Address after: F1-f5, f8-f11, No.5, Yongye Road, Yundonghai street, Sanshui District, Foshan City, Guangdong Province, 528100 Patentee after: Guangdong Bishuo Intelligent Technology Co.,Ltd. Country or region after: China Address before: F1-f5, f8-f11, No.5, Yongye Road, Yundonghai street, Sanshui District, Foshan City, Guangdong Province, 528100 Patentee before: FOSHAN BESURE TECHNOLOGY CO.,LTD. Country or region before: China |