CN101214683A - Vegetable fibre tray bidirectional extrusion forming method and special-purpose equipment thereof - Google Patents
Vegetable fibre tray bidirectional extrusion forming method and special-purpose equipment thereof Download PDFInfo
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- CN101214683A CN101214683A CNA2008100192330A CN200810019233A CN101214683A CN 101214683 A CN101214683 A CN 101214683A CN A2008100192330 A CNA2008100192330 A CN A2008100192330A CN 200810019233 A CN200810019233 A CN 200810019233A CN 101214683 A CN101214683 A CN 101214683A
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Abstract
The present invention discloses a bidirectional extrusion forming method of a plant fiber pallet and a dedicated device thereof. The bidirectional extrusion forming method of the plant fiber pallet includes the following steps: after a mold cavity is loaded with material, a female mold is jacked up by an oil cylinder, so that an upper mold punch can be pressed into the pallet plate molding cavity of the female mold, a lower mold punch is then jacked up by an oil cylinder to move into the supporting foot molding cavity of the female mold, pressing is stopped after a designed pressure is reached, and after heat preservation and solidification, demoulding is carried out. The dedicated device is composed of the female mold, the upper mold punch, the upper mold punch, a movable frame, a frame and a hydraulic power device. The present invention has the advantages of uniform compaction, little damage ratio, low production cost, great bearing capacity of the finished products, etc. The upper surface of the pressed pallet can be flat or concavo-convex, and the pallet can be adapted to the transportation requirements of various products.
Description
Technical field:
The present invention relates to the preparation method and the special equipment of the pallet that a kind of storage, logistics use.
Background technology:
Along with development of global economy, the freight volume of goods increases just year by year, and goods is in storage, stacking, transportation, and pallet has become one of main instrument.Present pallet majority is made with timber, and the whole world all will consume a large amount of timber resources and be used to make pallet every year, makes forest suffer excessive felling, destroys natural environment.In order to save timber resources, the conservation of nature environment, people have researched and developed out string, plastic pallet etc.Plant fiber tray wherein has more environmental protection, green notion, but plant fiber tray is because raw material is mobile poor, the big particularity of Volume Changes in the mold process, adopt mould pressing process such as single way stempressing moulding process on the universal, facts have proved it is not all right, it is irregular that ubiquity compacted density, especially the junction of feet and plate, weak link especially, moulding in the production, demoulding difficulty is big, the breakage rate height, production efficiency low (need add material), and the manufactured goods bearing capacity is little, can not satisfy instructions for use, exist tray upper surface simultaneously and be male and fomale(M﹠F), incompatibility stationery article packed and transported.The scientific worker of the sector at research, the preparation technology who explores suitable plant fiber tray and the equipment that matches with it, in the hope of having the plant fiber tray of powerful vitality, can access general promoting the use of at present.
Summary of the invention:
The technical problem to be solved in the present invention provides vegetable fibre tray bidirectional extrusion forming method, and the shaped article compacting is even, intensity is high, breakage rate is little, tray upper surface can be the plane, also can be male and fomale(M﹠F), can satisfy instructions for use.
Another technical problem that the present invention will solve provides the special equipment of vegetable fibre tray bidirectional extrusion forming method.
The present invention is achieved through the following technical solutions:
Vegetable fibre tray bidirectional extrusion forming method is characterized in that: comprise the following steps:
(1) charging:
With string and glue in 60-90: the 10-40 ratio mixes, and material is packed in the die cavity of former;
(2) compacting:
A, usefulness oil cylinder 15 jack-up formers are pressed in the former plate forming cavity upper punch, and pressure is 25-65 kilogram/Cm
2Then,
B, with oil cylinder 41 jack-up adjustable shelfs, make bottom punch to former feet forming cavity intrinsic displacement, until the limited device limiting displacement of adjustable shelf, pressure is 25-65 kilogram/Cm
2Then,
C, give former, upper punch, bottom punch heat temperature raising, and stop heating after 3-15 minute in 120-180 degree heat preservation solidification;
(3) demoulding:
Give successively earlier locating oil cylinder 43, the former bottom at adjustable shelf two ends oil cylinder 15 releases, drain the oil, start oil cylinder 21 then and promote the former demoulding downwards, the lower surface for the treatment of the pallet plate exposes the former upper port plane, 21 of oil cylinders stop to exert pressure, then start the spacing cylinder 64 of plate, its plunger rod plug is stretched between the lower surface and former upper port plane of plate, and the oil cylinder 41 pulling bottom punch demoulding downwards of restarting the adjustable shelf bottom gets final product.
The special equipment of the bidirectional extrusion forming method of plant fiber tray is characterized in that: comprise former, upper punch, bottom punch, adjustable shelf, frame and hydraulic power unit;
Described upper punch is positioned at the top of former, is fixed on the top of frame, the pallet plate die cavity coupling that upper punch and former top are provided with;
Described bottom punch is positioned at the below of former, and the bottom punch upper end is arranged in tray support pin die cavity, and lower end is connected with adjustable shelf;
Described former is arranged in casing, and the plate cavity bottom of former is communicated with tray support pin die cavity, and the bottom of casing is provided with the hole that is complementary with the feet die cavity; Oil cylinder 15 is arranged at the casing below;
Described adjustable shelf is positioned at the below of bottom punch, and the oil cylinder 41 in the power set is arranged at the adjustable shelf bottom.
Be provided with core bar in the feet die cavity, the upper end level of core bar or a little less than plate cavity bottom surface.Core bar is a hollow-core construction, is provided with electrically heated rod or pipe in the chamber.
The upper surface relevant position of adjustable shelf is provided with spacing card, and the base dual-side of bottom punch inserts spacing card elbow below, or the relevant position is provided with magnet, inhales mutually with the bottom magnet of base.
Beneficial effect:
One, preparation method of the present invention is a bidirectional extrusion forming method, and has designed special equipment for this reason, and the die cavity of its former is far longer than shaped article, therefore determines reinforced volume according to the compression ratio of raw material, only need feed in raw material and once can guarantee the manufactured goods needs.In the present invention, by the plate compacting of patrix, upwards squeeze by counterdie then and push away the feet compacting of pallet (and closely be connected with plate) with pallet.After tested, the pallet of nine feets can bear the pressure more than 10 tons, and adopts the pallet of single way stempressing, can only bear the pressure below 2 tons.The present invention has advantages such as compacting is even, breakage rate is little, cost of manufacture is low, the manufactured goods bearing capacity is big.
Two, with the pallet of method of the present invention and special equipment compacting, its upper surface both can be pressed into the plane, also can be pressed into male and fomale(M﹠F), adapted to various packing of product movement requirements.
Three, special equipment provided by the invention has reasonable in design, simple in structure, easy to operate advantage, can satisfy arts demand.Be not only applicable to string compacting pallet, and be applicable to that top such as compacting cable hank is the production that projection is arranged at the bottom of plate, plate.
Four, the solution of success of the present invention the bidirectional extrusion forming method and the special equipment thereof of plant fiber tray, guaranteed the making quality of pallet, this product can be promoted the use of widely, needn't consume the timber resources of a large amount of preciousnesses, have bigger social benefit and environmental benefit.
Description of drawings:
Fig. 1 is a partial schematic sectional view of the present invention.
Fig. 2 is that Figure 1A is to schematic diagram.
Fig. 3 is that Figure 1B is to schematic diagram.
Fig. 4 is bottom punch and core bar and the connecting plate confined state schematic perspective view thereof among Fig. 1.
Fig. 5 is a C portion enlarged diagram among Fig. 1.
The specific embodiment:
As shown in Figure 1, the special equipment of vegetable fibre tray bidirectional extrusion forming method of the present invention comprises former 1, upper punch 2, bottom punch 3, adjustable shelf 4, frame 5 and hydraulic power unit.
Shown in Fig. 1,3, described former 1 is arranged in casing 6, and plate die cavity 11 bottoms of former 1 are communicated with tray support pin die cavity 12, and the bottom of casing 6 is provided with the hole that is complementary with feet die cavity 12.As shown in Figure 1, concentric is provided with core bar 13 in the feet die cavity 12, after the lower end of core bar 13 stretches out the hole of casing 6 bottoms, is fixedly connected with location-plate 14, the two ends of location-plate 14 are fixed on the bottom of casing 6, and the upper end level of core bar 13 is in plate die cavity 11 lower surface.Described core bar 13 is a hollow-core construction, is provided with electric heating tube (among the figure for illustrating) in the chamber.
Shown in Fig. 1,3, bottom punch 3 is positioned at the below of former 1, shown in Fig. 1,3,4, described bottom punch 3 is made of the counterdie drift 32 that is fixed on connecting plate 31 upper and lower terminations respectively, supporting seat 33, and connecting plate 31 is symmetricly set in counterdie drift 32 and supporting seat 33 both sides thereof; Counterdie drift 32 is arranged in feet die cavity 12, and its periphery and die cavity 12 inner peripheral surfaces are for being slidingly matched, and described core bar 13 passes the centre bore that counterdie drift 32 is provided with, and its fixed head 14 is between two connecting plates 31, and bottom punch 3 axially can move along core bar 13.As shown in Figure 1, 2, 3, described bottom punch 3 lower ends and adjustable shelf 4 flexibly connect, the upper surface relevant position that is adjustable shelf 4 is provided with spacing card 42, supporting seat 33 dual-sides of bottom punch 3 insert spacing card 42 elbows below, promptly be limited upper and lower displacement (as shown in Figure 1, 2, bottom punch 3 can move horizontally out spacing card 42).
Shown in Fig. 1,3, described upper punch 2 is positioned at the top of former 1, is fixed on the top of frame 5, and upper punch 2 mates with the pallet plate die cavity 11 that former 1 top is provided with; Other frame 5 tops at upper punch 2 two ends are respectively arranged with the demoulding oil jar 21 of upper punch 2.Oil cylinder 21 is with former 1 downward pushing tow during the demoulding.
Shown in Fig. 1,3, adjustable shelf 4 is positioned at the below of bottom punch 3, and as shown in Figure 1, 2, 3, four oil cylinders 15 of former 1 below lay respectively at by the both sides of adjustable shelf 4, and the both sides upper surface of adjustable shelf 4 is respectively arranged with the locating oil cylinder 43 of bottom punch 3.The plunger rod of oil cylinder 41 is fixed on the bottom centre position of adjustable shelf 4.
Shown in Fig. 1,3, two side bottoms of casing 6 are provided with wheel 61, and aerial conveyor 62 matches, and frame 5 is stretched out at aerial conveyor 62 two ends, and the both sides opposite position of described frame 5 is provided with the limited block 65 of casing 6.
As shown in Figure 1, at the former 1 spacing cylinder 64 of plate that has been horizontally disposed with suitable for reading, its plunger rod top is provided with plug, and plug ends is domatic (diagram is not provided); Between the bottom of casing 6 and former 1, be symmetrically arranged with many gripper shoes 63.The plunger rod correspondence position of the bottom of casing 6 and oil cylinder 15 is provided with taper locating hole (diagram is not provided).
Shown in Fig. 1,5, plate die cavity 11 bottoms of former 1 are provided with groove, the surrounded surface of flexible piece 16 and groove surfaces identical (being slidingly matched), it highly is higher than depth of groove, during compacting, when the lower surface of flexible piece 16 was affixed on the bottom portion of groove surface, its upper surface stretched out plate die cavity 11 lower surface (what stretch out then decides according to the concavo-convex needs of plate lower surface).One end of spring 17 is fixed on flexible piece 16 bottoms, and the other end is fixed in the concave bottom shrinkage pool of groove; Described shrinkage pool is communicated with waste material tap 18.
Vegetable fibre tray bidirectional extrusion forming method of the present invention comprises the following steps:
(1) charging:
Design reinforced quantity according to the raw material proterties, granular wood fibre and glue are mixed (glue modified environment-friendly Lauxite) in 85: 15 ratios, casing 6 and former 1 thereof are released frame 5 along track 62, the bottom punch 3 that links to each other with former 1 shifts out the spacing card 42 (with casing 6 and former 1 same moved further thereof) of adjustable shelf 4 thereupon, the material that will mix (the moon in the chamber of former 1 of packing into then, formpiston is preheated to about 100 degree), again casing 6 and former 1 thereof are pushed in the frame 5 along track 62, when arriving desired location, casing 6 is stopped the location by the limited block 65 that is provided with on the frame 5, the dual-side of the supporting seat 33 of bottom punch 3 inserts spacing card 42 elbows below simultaneously, and the set taper locating hole in casing 6 bottoms is inserted on the plunger rod top of oil cylinder 15.
(2) compacting:
A starts oil cylinder 15, and upwards jack-up former 1 is pressed in the former 1 plate forming cavity 11 upper punch 2, and pressure is 50 kilograms/Cm
2(then stopping to exert pressure).In the process in upper punch 2 is pressed into former 1 plate forming cavity, flexible piece 16 is to the concave bottom displacement of groove, the concave bottom that is affixed on groove until the lower surface of flexible piece 16 (falls into groove if any material in this process, can discharge from waste material tap 18), this listed price plate compression moulding, the upper surface of plate is the plane, lower surface have concavo-convex muscle (with stretching the contacted surface of piece is recessed, between the surface be protruding); Then,
B, start oil cylinder 41, to top offset, until limited oil cylinder 43 limiting displacements of adjustable shelf 4, pressure is 50 kilograms/Cm at this moment former 1 feet forming cavity 12 in for upwards jack-up adjustable shelf 4, jack-up bottom punch 3, counterdie drift 32
2, the feet compression moulding of plate; Then,
C, with 180 the degree fluid send in former 1, upper punch 2 heating chambers, start the electrical heating of core bar 3 simultaneously, 150 the degree heat preservation solidification then stopped in 6 minutes the heating;
(3) demoulding:
Give successively earlier locating oil cylinder 43, former 1 bottom at adjustable shelf 4 two ends oil cylinder 15 releases, drain the oil, start oil cylinder 21 downward pushing tow former 1 demouldings (the set ear pushing 66 in casing 6 both sides is withstood on the top of its plunger rod) then, the lower surface for the treatment of the pallet plate exposes the former upper port plane, 21 of oil cylinders stop to exert pressure, then start the spacing cylinder 64 of plate, its plunger rod plug is stretched between the lower surface and former upper port plane of plate, restart oil cylinder 41 pulling bottom punch 3 demouldings downwards and get final product.Bottom punch 3 recovers initial state (as shown in Figure 1) after the demoulding.
The present invention is not limited to above-mentioned plant fiber tray, being equally applicable to as tops such as cable hanks is the production that one or more feets, tubular article, column are arranged at plate, bottom, so long as with bidirectional extrusion forming method or with the special equipment among the present invention, make above-mentioned plant-fiber product, all belong to scope of the present invention.
Claims (10)
1. vegetable fibre tray bidirectional extrusion forming method is characterized in that: comprise the following steps:
(1) charging:
With string and glue in 60-90: the 10-40 ratio mixes, and material is packed in the die cavity of former (1);
(2) compacting:
A, usefulness oil cylinder (15) jack-up former (1) are pressed in former (1) the plate forming cavity (11) upper punch (2), and pressure is 25-65 kilogram/Cm
2Then,
B, with oil cylinder (41) jack-up adjustable shelf (4), make bottom punch (3) to former (1) feet forming cavity (12) intrinsic displacement, until the limited device limiting displacement of adjustable shelf (4), pressure is 25-65 kilogram/Cm
2Then,
C, give former (1), upper punch (2), bottom punch (3) heat temperature raising, and 120-180 degree heat preservation solidification 3-15 minute;
(3) demoulding:
Give successively earlier locating oil cylinder (43), former (1) bottom at adjustable shelf (4) two ends oil cylinder (15) release, drain the oil, start oil cylinder (21) then and promote former (1) demoulding downwards, the lower surface for the treatment of the pallet plate exposes former (1) upper port plane, oil cylinder (21) then stops to exert pressure, then start the spacing cylinder of plate (64), its plunger rod plug is stretched between the lower surface and former upper port plane of plate, restart oil cylinder (41) and spur bottom punch (3) demoulding downwards and get final product.
2. the special equipment of the bidirectional extrusion forming method of plant fiber tray is characterized in that: comprise former (1), upper punch (2), bottom punch (3), adjustable shelf (4), frame (5) and hydraulic power unit;
Described upper punch (2) is positioned at the top of former (1), is fixed on the top of frame (5), and upper punch (2) mates with the pallet plate die cavity (11) that former (1) top is provided with;
Described bottom punch (3) is positioned at the below of former (1), and bottom punch (3) upper end is arranged in tray support pin die cavity (12), and lower end and adjustable shelf (4) flexibly connect;
Described former (1) is arranged in casing (6), and plate die cavity (11) bottom of former (1) is communicated with tray support pin die cavity (12), and the bottom of casing (6) is provided with the hole that is complementary with feet die cavity (12); Oil cylinder (15) is arranged at casing (6) below;
Described adjustable shelf (4) is positioned at the below of bottom punch (3), and the oil cylinder in the power set (41) is arranged at adjustable shelf (4) bottom.
3. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2, it is characterized in that: be provided with core bar (13) in the feet die cavity (12), after the lower end of core bar (13) stretches out the hole of casing (6) bottom, be fixedly connected with location-plate (14), the two ends of location-plate (14) are fixed on the bottom of casing (6);
Described bottom punch (3) is made of the counterdie drift (32) that is fixed on the upper and lower termination of connecting plate (31) respectively, supporting seat (33), and connecting plate (31) is symmetricly set in counterdie drift (32) and supporting seat (33) both sides thereof; Counterdie drift (32) is arranged in feet die cavity (12), its periphery and die cavity (12) inner peripheral surface is slidingly matched, described core bar (13) passes the centre bore that counterdie drift (32) is provided with, and its fixed head (14) is positioned between two connecting plates (31), and bottom punch (3) axially can move.
4. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 3, it is characterized in that: core bar (13) is the concentric setting with feet die cavity (12), the upper end level of core bar (13) or a little less than plate die cavity (11) lower surface, core bar (13) is a hollow-core construction, is provided with electrically heated rod or pipe in the chamber.
5. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2, it is characterized in that: described bottom punch (3) lower end and adjustable shelf (4) flexibly connect, the upper surface relevant position that is adjustable shelf (4) is provided with spacing card (42), supporting seat (33) dual-side of bottom punch (3) inserts spacing card (42) elbow below, or the relevant position is provided with magnet, inhales mutually with the bottom magnet of supporting seat (33).
6. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2 is characterized in that: the plunger rod of oil cylinder (41) connects firmly or adhesive is connected in the bottom centre of adjustable shelf (4); Oil cylinder (15) lays respectively at by the both sides of adjustable shelf (4); The both sides upper surface of adjustable shelf (4) is respectively arranged with the locating oil cylinder (43) of bottom punch (3).
7. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2 is characterized in that: frame (5) top that upper punch (2) two ends are other is respectively arranged with demoulding oil jar (21).
8. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2, it is characterized in that: two side bottoms of casing (6) are provided with wheel (61), aerial conveyor (62) matches, frame (5) is stretched out at aerial conveyor (62) two ends, and the both sides of described frame (5) are provided with the limited block (65) of casing (6).
9. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2, it is characterized in that: at former (1) the spacing cylinder of plate (64) that has been horizontally disposed with suitable for reading, its plunger rod top is provided with plug, and it is domatic that plug ends is; Between the bottom of casing (6) and former (1), be provided with gripper shoe (63).
10. the special equipment of vegetable fibre tray bidirectional extrusion forming method as claimed in claim 2, it is characterized in that: plate die cavity (11) bottom of former (1) is provided with groove, the surrounded surface of flexible piece (16) and groove surfaces are coincide, it highly is higher than the degree of depth of groove, one end of spring (17) is fixed on flexible piece (16) bottom, and the other end is fixed in the concave bottom shrinkage pool of groove; Described shrinkage pool is communicated with waste material tap (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810019233A CN100575023C (en) | 2008-01-16 | 2008-01-16 | The special equipment of vegetable fibre tray bidirectional extrusion forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810019233A CN100575023C (en) | 2008-01-16 | 2008-01-16 | The special equipment of vegetable fibre tray bidirectional extrusion forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101214683A true CN101214683A (en) | 2008-07-09 |
| CN100575023C CN100575023C (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810019233A Expired - Fee Related CN100575023C (en) | 2008-01-16 | 2008-01-16 | The special equipment of vegetable fibre tray bidirectional extrusion forming method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089693A1 (en) * | 2008-01-16 | 2009-07-23 | Zhang, Cuilan | Bidirectional pressing method and apparatus for forming plant fiber pallet |
| CN101648400B (en) * | 2009-08-08 | 2011-07-27 | 汉寿县洞庭木业有限责任公司 | Molding press of industrial sewing machine table with core filled with composite materials |
| CN101555182B (en) * | 2009-04-28 | 2011-10-19 | 北京市农林科学院 | Fruit tree rod-shaped fertilizer forming machine |
-
2008
- 2008-01-16 CN CN200810019233A patent/CN100575023C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089693A1 (en) * | 2008-01-16 | 2009-07-23 | Zhang, Cuilan | Bidirectional pressing method and apparatus for forming plant fiber pallet |
| CN101555182B (en) * | 2009-04-28 | 2011-10-19 | 北京市农林科学院 | Fruit tree rod-shaped fertilizer forming machine |
| CN101648400B (en) * | 2009-08-08 | 2011-07-27 | 汉寿县洞庭木业有限责任公司 | Molding press of industrial sewing machine table with core filled with composite materials |
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| Publication number | Publication date |
|---|---|
| CN100575023C (en) | 2009-12-30 |
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Application publication date: 20080709 Assignee: Siyang Shunyang Wood Co., Ltd. Assignor: Zhang Cuilan Contract record no.: 2010320000349 Denomination of invention: Special equipment for plant fibre pallet bidirectional extrusion molding method Granted publication date: 20091230 License type: Exclusive License Record date: 20100402 |
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Assignee: Siyang Shunyang Wood Co., Ltd. Assignor: Zhang Cuilan Contract record no.: 2010320000349 Date of cancellation: 20110328 |
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