CN111055543A - Shaping treatment method for molded packaging product after drying and shaping - Google Patents
Shaping treatment method for molded packaging product after drying and shaping Download PDFInfo
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- CN111055543A CN111055543A CN201911322399.4A CN201911322399A CN111055543A CN 111055543 A CN111055543 A CN 111055543A CN 201911322399 A CN201911322399 A CN 201911322399A CN 111055543 A CN111055543 A CN 111055543A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/0077—Shaping by methods analogous to moulding, e.g. deep drawing techniques
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Abstract
The invention relates to a shaping treatment method after drying and shaping a molded packaging product, which comprises a bottom plate, a lower template and a heat shaping device, wherein the lower template is arranged in the middle of the upper end of the bottom plate, the heat shaping device is arranged above the lower template, and the lower end of the heat shaping device is arranged on the bottom plate. The invention can solve the problems that the existing equipment has poor use effect when shaping the molded packaging product after drying and shaping, different equipment needs to be replaced when different molded packaging products are processed, the processing cost of the molded packaging product is high, the shaping effect is poor, the positioning is inaccurate, the molded packaging product is easy to deform when the molded packaging product is heated and shaped, and meanwhile, the shaping equipment can not only heat the used mould, so that the heat utilization rate is low, the heat loss is fast and the like.
Description
Technical Field
The invention relates to the field of processing of molded products, in particular to a shaping treatment method of a molded packaging product after drying and shaping.
Background
The molded packing product is made with waste paper as material and through molding in special mold in a molding machine. It has four major advantages: the raw materials are waste paper, including paperboard, waste paper box paper, waste white edge paper and the like, and the sources are wide; the manufacturing process is completed by the working procedures of pulping, adsorption molding, drying and shaping and the like, and is harmless to the environment; can be recycled and reused; the volume is smaller than that of the foamed plastic, and the foamed plastic can be overlapped and is convenient for transportation. The paper pulp molding can be used as a lunch box and tableware, and can be used as an industrial cushion package, and the development is very rapid.
At present, the existing molded packaging products generally have the following defects during shaping treatment after drying and shaping: 1. when the molding packaging product is shaped, the use effect is poor, and different devices are required to be replaced when different molding packaging products are processed, so that the processing cost of the molding packaging product is high; 2. when the molding packaging product is heated and shaped, the shaping effect is poor, the positioning is inaccurate, the molding packaging product is easy to deform, and meanwhile, the shaping equipment cannot only heat the used mold, so that the heat utilization rate is low, and the heat loss is fast.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing equipment has poor use effect when shaping the molded packaging product after drying and shaping, different equipment needs to be replaced when different molded packaging products are processed, the processing cost of the molded packaging product is high, the shaping effect is poor, the positioning is inaccurate, the molded packaging product is easy to deform when the molded packaging product is heated and shaped, and meanwhile, the shaping equipment can not only heat the used mould, so that the heat utilization rate is low, the heat loss is fast and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the shaping treatment method after drying and shaping the molded packaging product adopts the following processing equipment, the processing equipment comprises a bottom plate, a lower template and a heat shaping device, the lower template is installed in the middle of the upper end of the bottom plate, the heat shaping device is arranged above the lower template, and the lower end of the heat shaping device is installed on the bottom plate.
The heat setting device comprises a fixed frame, a driving cylinder, a supporting frame, a rotating shaft, a heat circulation mechanism, a setting mechanism, a limiting mechanism and a regulating ring, wherein the fixed frame is installed at the upper end of the bottom plate, the fixed frame is of a U-shaped structure, the driving cylinders are symmetrically installed inside the fixed frame, the top end of each driving cylinder is connected with the supporting frame through a flange, the supporting frame is of the U-shaped structure, the rotating shaft is installed inside the supporting frame through a bearing, the setting mechanism is installed at the middle part of the upper end of the rotating shaft, the limiting mechanisms are symmetrically arranged inside the supporting frame, the limiting mechanisms are installed on the rotating shaft, the heat circulation mechanisms are symmetrically installed outside the rotating shaft and are connected through a circulating pump, the regulating ring is installed outside the heat circulation mechanism on the left side of the rotating shaft through a bearing and is, then, the driving cylinder drives the shaping mechanism to move downwards to be attached to a die hole on the paper pulp molding product, and the thermal circulation mechanism heats the shaping mechanism through hot steam, so that the shaping mechanism can carry out hot-press shaping on the paper pulp molding product, and the paper pulp molding product is prevented from deforming.
The thermal circulation mechanism comprises a fixed sleeve, a sealing seat, a sealing plate, a limiting spring and a connecting seat, wherein the fixed sleeve is arranged outside the rotating shaft, the sleeve is arranged at the upper end inside the fixed sleeve, a valve is arranged at the upper end of the sleeve after penetrating through the fixed sleeve, the sealing seat is arranged at the upper end inside the sleeve, a trapezoidal through groove is arranged inside the sealing seat, the limiting plate is arranged at the middle part inside the sleeve, the sealing plate is arranged at the upper end of the limiting plate, the sealing plate is in sealing fit with the trapezoidal through groove, the connecting seat is connected to the lower end of the sealing plate through a connecting rod, the limiting spring is arranged on the connecting rod between the connecting seat and the limiting plate, when the connecting seat is positioned inside the concave groove on the rotating shaft, when the rotating shaft rotates, the connecting seat is separated from the concave groove, and the connecting seat moves upwards to drive the sealing plate to be tightly attached to the sealing seat, so that heat steam can be prevented from being dissipated, and resources are saved.
The shaping treatment method after drying and shaping the molded packaging product comprises the following steps:
s1, drying: manually putting the pulp molded product subjected to injection molding into a drying furnace for heating and drying to ensure that the water content of the pulp molded product is 10-15%;
s2, feeding: manually placing the paper pulp molded product dried in the step S1 into the lower template;
s3, exchanging the mold: rotating the adjusting ring, and selecting a corresponding mold according to the shape of a mold hole on the pulp molding product;
s4, pressing and fastening: starting a driving cylinder, and driving the shaping mechanism to be attached to a die hole on the paper pulp molding product by the driving cylinder;
s5, hot-press forming: the thermal circulation mechanism heats the shaping mechanism through hot steam, and the shaping mechanism can further carry out hot-press shaping on the paper pulp molding product;
s6, blanking: the driving cylinder drives the shaping mechanism to move upwards, so that the lower end of the shaping mechanism is separated from the paper pulp molded product, and the paper pulp molded product is manually taken out from the lower template
S7, checking: the pulp molded product in step S6 is manually inspected to see whether or not there is any warpage, crack, or the like in the pulp molded product.
Preferably, the rotating shaft comprises a fixed column, partition plates, piston plates, connecting rods and connecting springs, the fixed column is mounted inside the support frame through a bearing, the inside of the fixed column is of a hollow structure, the partition plates are uniformly mounted inside the fixed column, seal cavities are formed between adjacent partition plates, concave grooves are uniformly formed in the fixed column, each concave groove is communicated with one seal cavity, the piston plates are mounted on the inner sides of the concave grooves and are in seal connection with the concave grooves, the connecting rods are mounted on the outer sides of the piston plates, baffles are mounted at the outer ends of the connecting rods, the connecting springs are mounted on the connecting rods between the baffles and the concave grooves, when the connecting rods inside the concave grooves are not stressed during specific work, the connecting springs drive the piston plates to seal the concave grooves, and when the connecting rods inside the concave grooves are in contact with the connecting seats, the piston, the baffle can become a plurality of cavitys to the internal partitioning of fixed column for thermal cycle mechanism only heats the mould on the typical set structure, reduces the heat dissipation.
Preferably, stop gear include solid fixed ring, slide bar, fixed spring, arc and joint board, solid fixed ring install in the axis of rotation, gu the fixed ring outside evenly is provided with the through-hole, the through-hole is inside to be connected with the slide bar through sliding fit's mode, fixed spring is installed to the slide bar inboard, the arc is installed in the slide bar outside, gu the fixed ring top is provided with the fishplate bar, the joint board is installed at the support frame inboardly, during operation specifically, the arc can be connected the arc draw-in groove on the fishplate bar, can prevent that the axis of rotation from taking place to rotate, and then can play and carry out spacing effect to.
Preferably, the setting mechanism include branch, fixed plate and stock form, the axis of rotation on evenly install branch along its circumference, the fixed plate is installed in the branch outside that is located the coplanar, the stock form is evenly installed in the fixed plate outside, specific during operation, the stock form can be corresponding with the nib in the pulp moulding, and then can prevent that pulp moulding from taking place deformation.
Preferably, the cross section of the shaping frame is semicircular or trapezoidal or cylindrical, the inside of the shaping frame is of a hollow structure, and the shaping frame is made of copper materials.
Preferably, the inner side of the support frame is provided with an arc-shaped clamping groove, and the arc-shaped clamping groove is matched with the arc-shaped plate in a clamping mode.
Preferably, the lower end of the sleeve is provided with a sealing gasket, and the sealing gasket is in sealing fit with the outer side of the rotating shaft.
(III) advantageous effects
1. According to the shaping treatment method after drying and shaping of the molded packaging product, the molded packaging product is processed in a hot-press shaping mode, so that the phenomena of warping, deformation, cracking and the like of the molded packaging product during drying are avoided, and the quality effect of the molded packaging product is ensured;
2. according to the shaping treatment method after drying and shaping of the molded packaging product, the shaping mechanism can be used for processing different molded products, the processing effect is good, different devices are prevented from being replaced, and the processing cost of the molded packaging product is reduced;
3. according to the shaping treatment method after drying and shaping of the molded packaging product, the thermal circulation mechanism can only heat the used mold, so that the phenomena of low heat utilization rate and quick heat dissipation are avoided, and resources can be effectively saved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic cross-sectional view of the rotating shaft and the setting mechanism of the present invention;
FIG. 4 is an enlarged schematic view of the invention at A in FIG. 2;
FIG. 5 is a schematic cross-sectional view of the rotary shaft and the thermal cycle mechanism of the present invention;
FIG. 6 is an enlarged view of the invention at B of FIG. 5;
fig. 7 is an enlarged view of the structure of fig. 5 at C according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, the method for shaping the molded packaging product after drying and shaping adopts a processing device comprising a bottom plate 1, a lower template 2 and a heat setting device 3, wherein the lower template 2 is installed in the middle of the upper end of the bottom plate 1, the heat setting device 3 is arranged above the lower template 2, and the lower end of the heat setting device 3 is installed on the bottom plate 1.
The heat setting device 3 comprises a fixed frame 31, a driving cylinder 32, a supporting frame 33, a rotating shaft 34, a heat circulation mechanism 35, a setting mechanism 36, a limiting mechanism 37 and an adjusting ring 38, wherein the fixed frame 31 is installed at the upper end of the bottom plate 1, the fixed frame 31 is of a U-shaped structure, the driving cylinders 32 are symmetrically installed inside the fixed frame 31, the top end of each driving cylinder 32 is connected with the supporting frame 33 through a flange, the supporting frame 33 is of a U-shaped structure, the rotating shaft 34 is installed inside the supporting frame 33 through a bearing, the setting mechanism 36 is installed in the middle of the upper end of the rotating shaft 34, the limiting mechanisms 37 are symmetrically arranged inside the supporting frame 33, the limiting mechanisms 37 are installed on the rotating shaft 34, the heat circulation mechanisms 35 are symmetrically installed outside the rotating shaft 34, the heat circulation mechanisms 35 are connected, the adjustable ring 38 is connected with the rotating shaft 34, the support frame 33 inboard be provided with the arc draw-in groove, the arc draw-in groove cooperates with arc 374 joint, during concrete work, firstly, rotate adjustable ring 38, select corresponding mould according to the shape of the last nib of pulp molding, then, drive actuating cylinder 32 and drive forming mechanism 36 downstream and hug closely with the nib on the pulp molding, thermal cycle mechanism 35 heats forming mechanism 36 through the hot steam, make forming mechanism 36 can carry out the hot briquetting to the pulp molding, prevent that pulp molding from taking place the phenomenon of deformation.
The rotating shaft 34 comprises a fixed column 341, a partition plate 342, a piston plate 343, a connecting rod 344 and a connecting spring 345, the fixed column 341 is installed inside the supporting frame 33 through a bearing, the inside of the fixed column 341 is a hollow structure, the inside of the fixed column 341 is uniformly provided with the partition plates, a sealing cavity is formed between the adjacent partition plates, concave grooves are uniformly arranged on the fixed column 341, each concave groove is respectively communicated with one sealing cavity, the piston plate 343 is installed on the inner side of the concave groove, the piston plate 343 is hermetically connected with the concave grooves, the connecting rod 344 is installed on the outer side of the piston plate 343, the outer end of the connecting rod 344 is provided with a baffle, the connecting spring 345 is installed on the connecting rod 344 between the baffle and the concave groove, during specific work, when the connecting rod 344 inside the concave groove is not stressed, the connecting spring 345 drives the piston plate 343 to seal the concave groove, the piston plate 343 is separated from the concave groove, and the partition 342 can divide the inside of the fixed column 341 into a plurality of chambers, so that the thermal circulation mechanism 35 only heats one mold on the shaping mechanism 36, and heat dissipation is reduced.
The thermal cycle mechanism 35 comprises a fixed sleeve 351, a sleeve 352, a sealing seat 353, a sealing plate 354, a limiting plate 355, a limiting spring 356 and a connecting seat 357, wherein the fixed sleeve 351 is installed on the outer side of the rotating shaft 34, the sleeve 352 is installed at the upper end inside the fixed sleeve 351, a valve is arranged at the upper end of the sleeve 352 after penetrating through the fixed sleeve 351, the sealing seat 353 is installed at the upper end inside the sleeve 352, a trapezoidal through groove is formed in the sealing seat 353, the limiting plate 355 is installed at the middle inside the sleeve 352, the sealing plate 354 is arranged at the upper end of the limiting plate 355, the sealing plate 354 is in sealing fit with the trapezoidal through groove, the lower end of the sealing plate 354 is connected with the connecting seat 357 through a connecting rod, the limiting spring 356 is arranged on the connecting rod between the connecting seat 357 and the limiting plate 355, a sealing gasket, the limiting spring 356 drives the sealing plate 354 to move downwards, the sealing plate 354 is separated from the sealing seat 353, so that hot steam in the heat circulating pump enters the rotating shaft 34 through the sleeve 352, when the rotating shaft 34 rotates, the connecting seat 357 is separated from the concave groove, the connecting seat 357 moves upwards to drive the sealing plate 354 to be tightly attached to the sealing seat 353, and therefore the hot steam can be prevented from dissipating and saving resources.
The shaping treatment method after drying and shaping the molded packaging product comprises the following steps:
s1, drying: manually putting the pulp molded product subjected to injection molding into a drying furnace for heating and drying to ensure that the water content of the pulp molded product is 10-15%;
s2, feeding: manually placing the paper pulp molded product dried in the step S1 into the lower template 2;
s3, exchanging the mold: rotating the adjusting ring 38 to select the corresponding mold according to the shape of the mold hole on the pulp molded product;
s4, pressing and fastening: starting the driving cylinder 32, and driving the setting mechanism 36 to be tightly attached to the die hole on the pulp molding product by the driving cylinder 32;
s5, hot-press forming: the thermal circulation mechanism 35 heats the shaping mechanism 36 through hot steam, and the shaping mechanism 36 can further carry out hot-press shaping on the pulp molding product;
s6, blanking: the driving cylinder 32 drives the shaping mechanism 36 to move upwards, so that the lower end of the shaping mechanism 36 is separated from the pulp molding product, and the pulp molding product is manually taken out from the lower template 2
S7, checking: the pulp molded product in step S6 is manually inspected to see whether or not there is any warpage, crack, or the like in the pulp molded product.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A shaping treatment method after drying and shaping of a molded packaging product adopts the following processing equipment, and the processing equipment comprises a bottom plate (1), a lower template (2) and a heat shaping device (3); the method is characterized in that: the middle part of the upper end of the bottom plate (1) is provided with a lower template (2), a heat setting device (3) is arranged above the lower template (2), and the lower end of the heat setting device (3) is arranged on the bottom plate (1); wherein:
the heat setting device (3) comprises a fixing frame (31), a driving cylinder (32), a supporting frame (33), a rotating shaft (34), a heat circulation mechanism (35), a setting mechanism (36), a limiting mechanism (37) and an adjusting ring (38), wherein the fixing frame (31) is installed at the upper end of the base plate (1), the fixing frame (31) is of a U-shaped structure, the driving cylinder (32) is symmetrically installed inside the fixing frame (31), the supporting frame (33) is connected to the top end of the driving cylinder (32) through a flange, the supporting frame (33) is of a U-shaped structure, the rotating shaft (34) is installed inside the supporting frame (33) through a bearing, the setting mechanism (36) is installed in the middle of the upper end of the rotating shaft (34), the limiting mechanism (37) is symmetrically arranged inside the supporting frame (33), the limiting mechanism (37) is installed on the rotating shaft (, the heat circulation mechanisms (35) are connected through a circulation pump, the outer side of the heat circulation mechanism (35) positioned on the left side of the rotating shaft (34) is provided with an adjusting ring (38) through a bearing, and the adjusting ring (38) is connected with the rotating shaft (34);
the thermal cycle mechanism (35) comprises a fixed sleeve (351), a sleeve (352), a sealing seat (353), a sealing plate (354), a limiting plate (355), a limiting spring (356) and a connecting seat (357), the sealing device is characterized in that the fixed sleeve (351) is installed on the outer side of the rotating shaft (34), a sleeve (352) is installed at the upper end inside the fixed sleeve (351), a valve is arranged at the upper end of the sleeve (352) after penetrating through the fixed sleeve (351), a sealing seat (353) is installed at the upper end inside the sleeve (352), a trapezoidal through groove is formed in the sealing seat (353), a limiting plate (355) is installed in the middle inside the sleeve (352), a sealing plate (354) is arranged at the upper end of the limiting plate (355), the sealing plate (354) is in sealing fit with the trapezoidal through groove, the lower end of the sealing plate (354) is connected with a connecting seat (357) through a connecting rod, and a;
the shaping treatment method after drying and shaping the molded packaging product comprises the following steps:
s1, drying: manually putting the pulp molded product subjected to injection molding into a drying furnace for heating and drying to ensure that the water content of the pulp molded product is 10-15%;
s2, feeding: manually placing the paper pulp molding product dried in the step S1 into the lower template (2);
s3, exchanging the mold: rotating the adjusting ring (38), and selecting a corresponding mold according to the shape of a mold hole on the pulp molding product;
s4, pressing and fastening: starting a driving cylinder (32), wherein the driving cylinder (32) drives a shaping mechanism (36) to be tightly attached to a die hole on a paper pulp molding product;
s5, hot-press forming: the thermal circulation mechanism (35) heats the shaping mechanism (36) through hot steam, and the shaping mechanism (36) can further carry out hot-press shaping on the paper pulp molding product;
s6, blanking: the driving cylinder (32) drives the shaping mechanism (36) to move upwards, so that the lower end of the shaping mechanism (36) is separated from the paper pulp molding product, and the paper pulp molding product is manually taken out from the lower template (2)
S7, checking: the pulp molded product in step S6 is manually inspected to see whether or not there is any warpage, crack, or the like in the pulp molded product.
2. The method for shaping a molded packaging article after drying and shaping as claimed in claim 1, wherein: rotation axis (34) including fixed column (341), baffle (342), piston board (343), connecting rod (344) and coupling spring (345), fixed column (341) install inside support frame (33) through the bearing, fixed column (341) inside is hollow structure, the baffle is evenly installed to fixed column (341) inside, form sealed chamber between the adjacent baffle, evenly be provided with concave groove on fixed column (341), every concave groove is linked together with a sealed chamber respectively, piston board (343) are installed to the inside inboard in concave groove, piston board (343) and concave groove sealing connection, connecting rod (344) are installed to the piston board (343) outside, the baffle is installed to connecting rod (344) outer end, be located and install coupling spring (345) on connecting rod (344) between baffle and the concave groove.
3. The method for shaping a molded packaging article after drying and shaping as claimed in claim 1, wherein: stop gear (37) including solid fixed ring (371), slide bar (372), fixed spring (373), arc (374) and joint board (375), solid fixed ring (371) install on axis of rotation (34), gu fixed ring (371) outside evenly is provided with the through-hole, the through-hole is inside to be connected with slide bar (372) through sliding fit's mode, fixed spring (373) are installed to slide bar (372) inboard, arc (374) are installed in slide bar (372) outside, gu fixed ring (371) top is provided with fishplate bar (375), joint board (375) are installed at support frame (33) inboard.
4. The method for shaping a molded packaging article after drying and shaping as claimed in claim 1, wherein: shaping mechanism (36) include branch (361), fixed plate (362) and design frame (363), axis of rotation (34) go up and evenly install branch (361) along its circumference, fixed plate (362) are installed in branch (361) outside that is located the coplanar, evenly install in fixed plate (362) outside and design frame (363).
5. The method for shaping the molded packaging article after drying and shaping as claimed in claim 4, wherein: the section of the shaping frame (363) is semicircular, trapezoidal or cylindrical, the inside of the shaping frame (363) is of a hollow structure, and the shaping frame (363) is made of copper materials.
6. The method for shaping a molded packaging article after drying and shaping as claimed in claim 1, wherein: the inner side of the support frame (33) is provided with an arc-shaped clamping groove, and the arc-shaped clamping groove is matched with the arc-shaped plate (374) in a clamping mode.
7. The method for shaping a molded packaging article after drying and shaping as claimed in claim 1, wherein: the lower end of the sleeve (352) is provided with a sealing gasket, and the sealing gasket is in sealing fit with the outer side of the rotating shaft (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911322399.4A CN111055543B (en) | 2019-12-20 | 2019-12-20 | Shaping treatment method for molded packaging product after drying and shaping |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911322399.4A CN111055543B (en) | 2019-12-20 | 2019-12-20 | Shaping treatment method for molded packaging product after drying and shaping |
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| CN111055543A true CN111055543A (en) | 2020-04-24 |
| CN111055543B CN111055543B (en) | 2021-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112644837A (en) * | 2020-12-15 | 2021-04-13 | 南京赛逸达自动化技术有限公司 | Molding packaging box manufacturing and shaping treatment process |
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| CN103334349A (en) * | 2013-07-09 | 2013-10-02 | 上海同孚纸制品厂 | Hot-pressing shaping machine |
| CN105088898A (en) * | 2015-09-01 | 2015-11-25 | 张辉 | Paper-plastic product machine |
| CN110154302A (en) * | 2018-04-12 | 2019-08-23 | 淮阴师范学院 | A kind of heat pressing forming machines automating replaceable mold |
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