CN111074694A - Three-dimensional bending process for pulp molding - Google Patents
Three-dimensional bending process for pulp molding Download PDFInfo
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- CN111074694A CN111074694A CN201911402442.8A CN201911402442A CN111074694A CN 111074694 A CN111074694 A CN 111074694A CN 201911402442 A CN201911402442 A CN 201911402442A CN 111074694 A CN111074694 A CN 111074694A
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- pulp molding
- paper pulp
- box body
- product
- bending process
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- 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
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- Manufacturing & Machinery (AREA)
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Abstract
The invention relates to the technical field of paper pulp molding and discloses a paper pulp molding three-dimensional bending method.
Description
Technical Field
The invention belongs to the technical field of paper pulp molding, and particularly relates to a paper pulp molding three-dimensional bending process.
Background
The full pulp molding product is generated by directly demolding full pulp, so that the full pulp molding product is an integrally formed product without folding or inserting holes and the like again, and the full pulp molding material is a completely degradable pulp environment-friendly material such as bamboo pulp, wood pulp, sugarcane pulp and the like, so that the environmental degradation pressure is reduced. As shown in FIG. 4, the side wall of the forming mold of the full pulp molded product cannot be a vertical side wall, and must have a draft angle of 3-5 degrees, and the intersection of the two sides can only be a round angle, otherwise the formed product is difficult to be smoothly demolded, so that the side wall of the obtained pulp molded product also has an inclination of 3-5 degrees. However, the existing process is not available when the customer desires a pulp molded integrally formed product of a vertical angle as shown in fig. 5.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a paper pulp molding three-dimensional bending process, wherein a box body with a drawing angle is obtained by paper pulp molding, the periphery of the box body is provided with a plane, and a product with a vertical angle is obtained by bending, so that the problem that the product with the vertical angle cannot be obtained by the paper pulp molding in an integrated mode at present is effectively solved.
In order to achieve the above object, the present invention provides the following technical solutions
A pulp molding three-dimensional bending process comprises the following steps:
(1) the paper pulp is molded to obtain a box body with a 3-5-degree drawing angle, the periphery of the box body is provided with a plane, and the paper pulp molded plane product has no drawing problem;
(2) forming V-shaped grooves along the periphery of the box body, and cutting planes on the periphery of the box body in order to obtain bent edges of the paper pulp molding product box body;
(3) bending the bent edge of the paper pulp molding product box body downwards to form a vertical side wall;
(4) and fixing the vertical side wall to obtain a vertical pulp molding integrated product.
The invention also claims a V-groove opening device in the steps, the paper pulp molding three-dimensional bending and V-groove pulling device comprises a workbench, a rotating motor is fixedly installed in the workbench, a paper pulp molding bearing table is fixedly installed on the upper surface of the workbench, the paper pulp molding is placed on the paper pulp molding bearing table, a V-groove pulling frame is fixedly installed on the workbench, a hydraulic telescopic rod is fixedly installed at the upper end of the V-groove pulling frame, a cutter head handle is fixedly connected to one end of the hydraulic telescopic rod, a V-shaped cutter head is fixedly connected to the lower end of the cutter head handle, and a paper pulp molding fixing device is installed on the workbench.
Preferably, the pulp molding fixing device comprises a support frame fixedly arranged on the workbench, and the upper end of the support frame is fixedly connected with a cross frame.
Preferably, a positive and negative motor is fixedly mounted below the cross frame, a regulating telescopic rod is fixedly mounted at the output end of the positive and negative motor, a threaded rod is fixedly mounted at the lower end of the regulating telescopic rod, a fixed pressing plate is movably mounted at the lower end of the threaded rod, and the fixed pressing plate is movably connected with the pulp molding.
Preferably, the transverse frame is fixedly provided with a vertical frame, one end of the vertical frame is fixedly provided with a spiral ring rod, a spiral ring hole is formed in the spiral ring rod, and the threaded rod penetrates through the spiral ring rod through the spiral ring hole.
Preferably, a rotary clamping groove is formed in the fixed pressing plate, a rotary clamping block is fixedly connected to the lower end of the threaded rod, and the rotary clamping block is matched with and movably connected with the rotary clamping groove.
Preferably, a limiting telescopic rod is fixedly installed between the cross frame and the fixed pressing plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) the utility model discloses a paper pulp molding machine, including a paper pulp molding bearing platform, positive and negative motor, adjust the telescopic link, the threaded rod, the screw ring hole, the holding plate, hydraulic telescoping rod, V type tool bit and rotating electrical machines, in operation, place the paper pulp molding on the paper pulp molding bearing platform, it rotates to drive in proper order through positive and negative motor and adjust telescopic link and threaded rod, through the interact in threaded rod and screw ring hole, make the threaded rod reciprocate, thereby drive the holding plate and reciprocate, control the holding plate and push down the paper pulp molding when drawing the V type groove, draw the V type groove through hydraulic telescoping rod's flexible control V type tool bit to the paper pulp molding, draw the back on one side, control the holding plate rebound leaves the paper pulp molding, drive the rotation of paper pulp molding bearing platform through rotating electrical machines and can adjust the angle of paper pulp molding.
(2) The paper pulp molding is arranged, the V-shaped groove is formed in the paper pulp molding, and the V-shaped groove is bent, so that the finished product can be bent and molded conveniently, no other material is introduced, the degradable and recyclable characteristics of the paper pulp molding product are not changed, and the problem that the small-angle sharp corner of the paper pulp molding product is difficult to form is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the pulp molding in the present invention;
FIG. 3 is a schematic view showing the structure of a pulp molding fixing device according to the present invention;
FIG. 4 is a drawing angle of an all pulp molded product;
fig. 5 is a vertical sidewall product.
In the figure: 1. a work table; 2. a rotating electric machine; 3. a pulp molding bearing table; 4. a case of a pulp molded product; 5. pulling the V-shaped groove frame; 6. a hydraulic telescopic rod; 7. a tool bit handle; 8. a V-shaped cutter head; 9. a support frame; 10. a cross frame; 11. a positive and negative motor; 12. adjusting the telescopic rod; 13. a threaded rod; 14. erecting; 15. a screw ring rod; 16. a screw ring hole; 17. fixing the pressing plate; 18. rotating the fixture block; 19. rotating the clamping groove; 20. limiting the telescopic rod; 401. four sides of the pulp molded product box body; 402. and (3) molding the bent edge of the box body of the product by paper pulp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A pulp molding stereo bending process, as shown in fig. 2, comprising the steps of:
(1) the paper pulp is molded to obtain a box body 4 with a 3-5-degree drawing angle, the periphery of the box body is provided with a plane, and the paper pulp molded plane product has no drawing problem;
(2) forming a V-shaped groove along the 401 sides of the box body, and cutting planes on the periphery of the box body orderly to obtain a bent edge 402 of the paper pulp molding product box body;
(3) bending the bent edge 402 of the pulp molded product box body downwards to form a vertical side wall;
(4) and fixing the vertical side wall to obtain a vertical pulp molding integrated product. The V-groove opening device in the steps is shown by figures 1, 2 and 3, the V-groove opening device comprises a workbench 1, a rotary motor 2 is fixedly arranged in the workbench 1, the output end of the rotary motor 2 extends to the upper surface of the workbench 1 and is fixedly provided with a paper pulp molding bearing table 3, a paper pulp molding 4 is arranged on the paper pulp molding bearing table 3, the rotary motor 2 drives the paper pulp molding bearing table 3 to rotate to adjust the angle of the paper pulp molding 4, a V-groove pulling frame 5 is fixedly arranged on the workbench 1, a hydraulic telescopic rod 6 is fixedly arranged at the upper end of the V-groove pulling frame 5, one end of the hydraulic telescopic rod 6 is fixedly connected with a cutter head handle 7, the lower end of the cutter head handle 7 is fixedly connected with a V-shaped cutter head 8, and the V-shaped cutter head, the periphery of the pulp molding product 4 is provided with a V-shaped groove, and a pulp molding fixing device is arranged on the workbench 1 and used for fixing the pulp molding 4 when the V-shaped groove is drawn.
The paper pulp molding fixing device comprises a support frame 9 fixedly arranged on the workbench 1, and a cross frame 10 is fixedly connected to the upper end of the support frame 9.
A positive and negative motor 11 is fixedly mounted below the cross frame 10, an adjusting telescopic rod 12 is fixedly mounted at the output end of the positive and negative motor 11, a threaded rod 13 is fixedly mounted at the lower end of the adjusting telescopic rod 12, a fixed pressing plate 17 is movably mounted at the lower end of the threaded rod 13, and the fixed pressing plate 17 is movably connected with the pulp molding 4.
Fixed mounting has vertical frame 14 on crossbearer 10, vertical frame 14 one end fixed mounting has screw ring pole 15, set up screw ring hole 16 in the screw ring pole 15, threaded rod 13 runs through screw ring hole 16 screw ring pole 15, drive in proper order through positive and negative motor 11 and adjust telescopic link 12 and threaded rod 13 and rotate, through the interact of threaded rod 13 and screw ring hole 16, make threaded rod 13 reciprocate, thereby drive holding plate 17 and reciprocate, control holding plate 17 and push down paper pulp molding 4 when drawing V type groove, after drawing good on one side, control holding plate 17 upwards removes and leaves paper pulp molding 4, so reciprocal, be convenient for draw V type groove operation of paper pulp molding 4.
A rotary clamping groove 19 is formed in the fixed pressing plate 17, a rotary clamping block 18 is fixedly connected to the lower end of the threaded rod 13, and the rotary clamping block 18 is matched and movably connected with the rotary clamping groove 19.
A limiting telescopic rod 20 is fixedly installed between the transverse frame 10 and the fixed pressing plate 17, and through the limiting effect of the limiting telescopic rod 20 and the interaction of the rotary clamping block 18 and the rotary clamping groove 19, the threaded rod 13 cannot drive the fixed pressing plate 17 to rotate when rotating, so that the angle of the paper pulp molding 4 cannot be affected when the paper pulp molding 4 is attached.
The working principle is as follows: during operation, place paper pulp molding 4 on paper pulp molding plummer 3, drive in proper order through positive and negative motor 11 and adjust telescopic link 12 and threaded rod 13 and rotate, through the interact of threaded rod 13 and screw ring hole 16, make threaded rod 13 reciprocate, thereby drive fixed pressing plate 17 and reciprocate, control fixed pressing plate 17 and push down paper pulp molding 4 when drawing the V type groove, draw the V type groove through the flexible control V type tool bit 8 of hydraulic telescoping rod 6 to paper pulp molding 4, draw good back on one side, control fixed pressing plate 17 and upwards remove and leave paper pulp molding 4, drive paper pulp molding plummer 3 through rotating electrical machines 2 and rotate the angle that can adjust paper pulp molding 4, carry out the draw groove operation of another side.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A pulp molding three-dimensional bending process comprises the following steps:
(1) molding the paper pulp to obtain a box body with a drawing angle of 3-5 degrees, wherein the periphery of the box body is provided with a plane;
(2) opening V-shaped grooves along the periphery of the box body to obtain a bent edge of the paper pulp molding product box body;
(3) bending the bent edge of the paper pulp molding product box body downwards to form a vertical side wall;
(4) and fixing the vertical side wall to obtain a vertical pulp molding integrated product.
2. The pulp molding solid bending process according to claim 1, characterized in that: the periphery of the box body is provided with a plane, and the paper pulp molding plane product does not have the problem of pattern drawing.
3. The pulp molding solid bending process according to claim 2, characterized in that: and cutting planes on the periphery of the box body in order to obtain the bent edge of the box body of the pulp molding product.
4. The pulp molding solid bending process according to claim 1, characterized in that: the paper pulp molding integrated product with the vertical angle is a square box, and the middle part of the paper pulp molding integrated product is a box body accommodating cavity with a 3-5-degree drawing angle.
5. The pulp molding solid bending process according to claim 1, characterized in that: the intersection of two sides of the pulp molding integrated product with the vertical angle is a right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402442.8A CN111074694B (en) | 2019-12-30 | 2019-12-30 | Three-dimensional bending process for pulp molding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402442.8A CN111074694B (en) | 2019-12-30 | 2019-12-30 | Three-dimensional bending process for pulp molding |
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| CN111074694A true CN111074694A (en) | 2020-04-28 |
| CN111074694B CN111074694B (en) | 2021-06-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2316935A (en) * | 1995-12-27 | 1998-03-11 | Yang Chun Tse | Pulp mould packaging element and moulding means |
| CN101292933A (en) * | 2007-04-27 | 2008-10-29 | 有限会社平和棺材 | Assembled corrugated board coffin |
| CN104553051A (en) * | 2014-12-16 | 2015-04-29 | 芜湖美威包装品有限公司 | Paperboard grooving machine |
| CN204728507U (en) * | 2015-06-16 | 2015-10-28 | 徐林波 | A kind of machine-processed cementitious material sheet material of suitable for foldable forming |
| CN207772496U (en) * | 2018-01-15 | 2018-08-28 | 东莞市建同机械有限公司 | A kind of paperboard groove cutting machine |
| CN109808229A (en) * | 2019-03-18 | 2019-05-28 | 江南大学 | A kind of foldable paste carton and its processing method with Holder Fasteners |
-
2019
- 2019-12-30 CN CN201911402442.8A patent/CN111074694B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2316935A (en) * | 1995-12-27 | 1998-03-11 | Yang Chun Tse | Pulp mould packaging element and moulding means |
| CN101292933A (en) * | 2007-04-27 | 2008-10-29 | 有限会社平和棺材 | Assembled corrugated board coffin |
| CN104553051A (en) * | 2014-12-16 | 2015-04-29 | 芜湖美威包装品有限公司 | Paperboard grooving machine |
| CN204728507U (en) * | 2015-06-16 | 2015-10-28 | 徐林波 | A kind of machine-processed cementitious material sheet material of suitable for foldable forming |
| CN207772496U (en) * | 2018-01-15 | 2018-08-28 | 东莞市建同机械有限公司 | A kind of paperboard groove cutting machine |
| CN109808229A (en) * | 2019-03-18 | 2019-05-28 | 江南大学 | A kind of foldable paste carton and its processing method with Holder Fasteners |
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| Publication number | Publication date |
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| CN111074694B (en) | 2021-06-18 |
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