CN104890097B - Wood-bamboo curved plate common mold having multi-plunger oil cylinder and pressing method - Google Patents
Wood-bamboo curved plate common mold having multi-plunger oil cylinder and pressing method Download PDFInfo
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- CN104890097B CN104890097B CN201510239583.8A CN201510239583A CN104890097B CN 104890097 B CN104890097 B CN 104890097B CN 201510239583 A CN201510239583 A CN 201510239583A CN 104890097 B CN104890097 B CN 104890097B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N5/00—Manufacture of non-flat articles
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Abstract
The invention discloses a wood-bamboo curved plate common mold having a multi-plunger oil cylinder. A lifting beam (14), an upper beam (2), a lifter (3), a multi-plunger cylinder (5), an upper template (7), a lower template (8), a base (10), a frame (1) and side plates (14) are arranged in sequence from top to bottom; slide ways (16) of the multi-plunger cylinder, upper template slide ways (17) and cross bars (9) are correspondingly mounted on the inner walls of the two side plates; the upper template is detachably connected with the multi-plunger cylinder through a plunger rod (6); and the lower template is positioned on the upper curved edge of a curved surface shaping plate (15). A curved plate is pressed by the common mold by the following four steps: (1) the common mold is purchased, manufactured and assembled according to design requirements; (2) a thin cushion plate is purchased and used; (3) the pressing is performed; and (4) the mold replacement is performed. The common mold is adopted to manufacture the curved plate, has the advantages of strong universality, low technical difficulty, low cost and convenient and fast mold replacement, and only needs to manufacture two curved shaping plates with the same shape and size.
Description
Technical field
The present invention relates to a kind of wood bamboo board machining device and method, specifically compacting wood bamboo figure and make universal mold and the drawing method of curved slab.
Background technology
When wood bamboo wood-based plate is used as to produce furniture, often need surface plate is pressed into curved slab, along with the different requirements of configuration design, the curvature of curved slab and shape are different, the most also need to change.As chair seat, hold up plate and backup plate shape and size different, adult is with different from child, and domestic are the most equal with public place.Being the most all that the upper and lower mold pressing system using shape to mate one by one with size forms, a secondary mould suppresses a kind of solid shape and the curved slab of size, changes the curved slab of a kind of shape or size, it is necessary to separately opens a secondary mould, suppresses separately.This can cause different moulds in indoor accumulation, accounts for that the interior space is many, mold cost high, it is many to delay man-hour, and the technical difficulty of Mold Making is big.
Summary of the invention
The technical problem to be solved in the present invention is to provide wooden bamboo curved slab universal mold and the drawing method of a kind of band multi-plunger oil cylinder.
Solve the technical scheme that above-mentioned technical problem used as follows:
The wooden bamboo curved slab universal mold of this band multi-plunger oil cylinder, including frame, upper mold, lower mold and oil sector, it is characterized in that having the most successively hanging beam, upper beam, lifter, force-bearing piece, multi-plunger oil cylinder, cope match-plate pattern, lower bolster, base, both sides are respectively arranged with one block of side plate, biside plate inwall is mounted opposite the slideway of multi-plunger oil cylinder, cope match-plate pattern slideway, crosspiece, lifter connects hanging beam and multi-plunger oil cylinder the most respectively, a back-moving spring it is cased with on every plunger rod of multi-plunger oil cylinder, the epimere of plunger rod is cylindrical, the narrow flat bar of hypomere, lower end patty, the circular hole of the upper breach of band having with avris on cope match-plate pattern mates, cope match-plate pattern is rectangular slab, two ends are inserted in the cope match-plate pattern slideway inside biside plate, the steel cope match-plate pattern composition upper mold of polylith side parallel to each other vertical setting of types row；Lower bolster is identical steel rectangular slab high, long, thick, polylith lower bolster side is perpendicular, equidirectional parallel against, in the upper curl of the two ends shelf two pieces of curved surface stereotype plates on the inwall crosspiece of two side, collectively constitute lower mold；Every cylinder of multi-plunger oil cylinder has
2n
Individual plunger, is furnished with
n
Block cope match-plate pattern,
n
For natural number；The plunger hole of each multi-plunger oil cylinder is equidirectional folded eight word arrangements having spacing, and the plunger hole count on relative one stroke to the left and another to the right is equal.
Described lifter is piston oil-cylinder.
The piston effective travel of described piston oil-cylinder is more than the height of cope match-plate pattern, effective workpiece area of its piston and the pressure of oil pressure long-pending more than multi-plunger oil cylinder and its include most pressure oil time weight, the frictional force added between all cope match-plate pattern weight and itself and slideway, add all plunger rods, spring and with the weight of cope match-plate pattern connector and, multi-plunger oil cylinder meets the middle pressure condition in GB, diameter of plunger
25-35 mm
。
The thickness of described cope match-plate pattern is
10-15mm
, width is 1/10th of length and is not less than
38mm
, the thickness of lower bolster is
5-10mm
, width is 1/10th of length and is not less than
50mm
, the upper side edge of the lower side of every block of cope match-plate pattern and every piece of lower bolster is processed into the arc limit without rib.
The supporting oil circuit of described multi-plunger oil cylinder is connected into through pipe joint and oil pipe by fuel tank, variable pump, automatically controlled oil gauge, overflow valve, choke valve, solenoid directional control valve, multi-plunger oil cylinder switch, piston oil-cylinder switch, piston oil-cylinder and each multi-plunger oil cylinder the most successively.
Carry out as follows by the method for this universal mold compacting wood bamboo curved slab:
(
1
) purchased by design requirement, made and assemble this universal mold, wherein multicolumn plug cylinder external coordination, entrust the enterprise producing oil cylinder having qualification to make；
(
2
) the purchasing and using of thin backing plate: erect the rectangular area size of the upper mold bottom surface that close-packed arrays becomes by many neat sides of cope match-plate pattern, purchasing of the same area, thickness is
(1.0-1.5)mm
±
0.1mm
Stainless sheet steel two pieces, make respectively to be processed wood bamboo clappers upper and lower backing plate；
(
3
null) compacting: connect oil circuit，Set the oil pressure value scope of oil gauge，Time initial，The coil of solenoid directional control valve all no powers，Solenoid directional control valve is placed in the middle，The driving motor of fuel primer pump，Oil in oil circuit passes back into fuel tank by solenoid directional control valve，Multi-plunger oil cylinder switch cuts out，The oil circuit of multi-plunger oil cylinder is closed，Open piston oil-cylinder switch，Coil electricity on the right of solenoid directional control valve，Solenoid directional control valve occupy right position，Oil in oil circuit flows into cylinder under piston oil-cylinder by choke valve and solenoid directional control valve，The fluid of upper cylinder half passes back into fuel tank，Piston stroking upward，I.e. promote multi-plunger oil cylinder to extreme higher position by lifter，The press face of upper mold and lower mold is separated to maximum spacing，The curved surface shape keeping plate for sealing of both sides is changed by design requirement，Lower bolster is the most closely installed，Lower bolster on padding on lower bolster again，Repave into the wooden bamboo clappers being processed into curved slab，Cover upper padding plate the most in the above，Solenoid directional control valve left side coil electricity，Solenoid directional control valve occupy left position，Oil in oil circuit flows into piston oil-cylinder upper cylinder half，The oil of lower cylinder passes back into fuel tank，Descent of piston，I.e. by multi-plunger oil cylinder being displaced downwardly to operating position as the piston oil-cylinder of lifter，Load onto dismountable force-bearing piece，Close lifter switch，Open multi-plunger oil cylinder switch，Pressure oil enters multi-plunger oil cylinder by choke valve and solenoid directional control valve，Pressure oil flow is by throttle valve adjustment，Oil pressure is regulated by overflow valve，Pressure oil promotes multicolumn stopper rod descending，Each piece of cope match-plate pattern two ends are all descending along respective slideway，And acted on wooden bamboo clappers to be processed by cope match-plate pattern，And make wood bamboo clappers brake forming together with the lower bolster on lower bolster，Until the pressure of automatically controlled oil gauge arrives setting value，The coil blackout of solenoid directional control valve，Spool is in an intermediate position，Pressure oil sump tank，When in multi-plunger oil cylinder, oil liquid pressure is less than set pressure，Electrohydraulic pressure control table makes coil electricity on the left of solenoid directional control valve，Pressure oil is to multi-plunger oil cylinder ftercompction，Until wood bamboo part brake forming，Solenoid directional control valve coil blackout，In multi-plunger oil cylinder, fluid passes through solenoid directional control valve oil sump tank，Plunger in multi-plunger oil cylinder is retracted to extreme higher position under the effect of back-moving spring，Move on cope match-plate pattern，By upper padding plate、The wooden bamboo curved slab of machined one-tenth and lower bolster draw off；
(
4
) die change: when cope match-plate pattern and
/
Or lower bolster serious wear, during the situations such as the curve form change being processed into the wooden bamboo part of curved slab, die change to be arranged, the die change of upper and lower mould serious wear, takes down force-bearing piece, makes multi-plunger oil cylinder rise to a high position by lifter, after block-by-block extracts lower bolster out, upper mold will need the cope match-plate pattern that changes away to depart from the imbeding relation of circular hole of plunger lower end cake breach upper with band again, down pull out along its slideway, then change the newest cope match-plate pattern and
/
Or lower bolster, if the curved slab alteration of form simply need to processed, and each template of upper and lower mould is intact, as long as after the most first extracting whole lower bolster out, extract the curved surface stereotype plate at lower bolster two ends again out, change to the curved surface stereotype plate two pieces with the upper curl consistent with new curved cross section line by new curved surface requirement design, in position on be mounted opposite, then crowd's lower bolster shelf is resetted；When cope match-plate pattern or curved surface stereotype plate need to be exchanged, lower bolster need to be drawn off simultaneously, when only exchanging lower bolster, the most only unload lower bolster.
The invention has the beneficial effects as follows: the highly versatile of mould, technical difficulty is relatively small, low cost, and the speed separately changing curved surface stereotype plate is fast, delays man-hour few, and it is little that the object under exchanging stacks space.
Accompanying drawing explanation
Figure
1
For this general mould structure schematic diagram.
Figure
2
For figure
1
's
A-A
View that is four oil cylinder and multi-plunger hole arrangement schematic diagram thereof.
Figure
3
For figure
1
's
B-B
View i.e. plunger, cope match-plate pattern, curved surface stereotype plate location diagram.
Figure
4
For multicolumn plug cylinder slideway and cope match-plate pattern slipway location graph of a relation.
Figure
5
It it is the oil circuit annexation figure of four multi-plunger oil cylinders and a piston oil-cylinder.
Figure
6
、
7
Facing and side view for cope match-plate pattern.
Detailed description of the invention
The present invention below in conjunction with embodiment and is described in detail referring to the drawings: see figure
1-7
, the wooden bamboo curved slab universal mold of this band multi-plunger oil cylinder, including frame, upper die and lower die and oil sector, there is hanging beam the most successively
4
, upper beam
2
, lifter
3
, force-bearing piece
13
, multi-plunger oil cylinder
5
, cope match-plate pattern
7
, lower bolster
8
, base
10
, both sides are respectively arranged with one block of side plate
14
, biside plate inwall is mounted opposite the slideway of multi-plunger oil cylinder
16
, cope match-plate pattern slideway
17
, crosspiece
9
, lifter connects hanging beam and multi-plunger oil cylinder the most respectively, and every plunger rod of multi-plunger oil cylinder is cased with a back-moving spring, plunger rod
6
Epimere is cylindrical, the narrow flat bar of hypomere, lower end patty, with cope match-plate pattern
7
The circular hole of the upper breach of band that upper avris has
18
Coupling, cope match-plate pattern is rectangular slab, and the cope match-plate pattern slideway inside biside plate is inserted at two ends
17
In, the steel cope match-plate pattern composition upper mold of polylith side parallel to each other vertical setting of types row；Lower bolster
8
It is identical steel rectangular slab high, long, thick, polylith lower bolster
8
Side is perpendicular, equidirectional parallel against, two ends shelf is at two side inwall crosspiece
9
On two pieces of curved surface stereotype plates
15
Upper curl on, collectively constitute lower mold；Multi-plunger oil cylinder
5
Every cylinder have
2n
Individual plunger, is furnished with
n
Block cope match-plate pattern,
n
For natural number；The plunger hole of each multi-plunger oil cylinder
11
In equidirectional folded eight word arrangements having spacing, the plunger hole count on one stroke to the left and another to the right that eight words are relative is equal.
Described lifter
3
For piston oil-cylinder.
Described piston oil-cylinder
3
Piston effective travel more than cope match-plate pattern
7
Height, effective workpiece area of its piston and the pressure of oil pressure long-pending more than multi-plunger oil cylinder
5
And its include most pressure oil time weight, the frictional force added between all cope match-plate pattern weight and itself and slideway, add all plunger rods, spring and with the weight of cope match-plate pattern connector and, multi-plunger oil cylinder
5
Meet the middle pressure condition in GB, plunger rod diameter
25-35 mm
。
The thickness of described cope match-plate pattern is
10-15mm
, width is 1/10th of length and is not less than
38mm
, the thickness of lower bolster is
5-10mm
, width is 1/10th of length and is not less than
50mm
, the upper side edge of the lower side of every block of cope match-plate pattern and every piece of lower bolster is processed into the arc limit without rib.
Described multi-plunger oil cylinder
5
Supporting oil circuit the most successively by fuel tank
19
, variable pump
20
, automatically controlled oil gauge
21
, overflow valve
22
, choke valve
23
, solenoid directional control valve
24
, multi-plunger oil cylinder switch
25
, piston oil-cylinder switch
26
, piston oil-cylinder
3
With each multi-plunger oil cylinder
5
Connect into through pipe joint and oil pipe.
The method of this universal mold compacting wood bamboo curved slab is carried out as follows:
(
1
) purchased by design requirement, made and assemble this universal mold, wherein multi-plunger oil cylinder external coordination, entrust the enterprise producing oil cylinder having qualification to make；
(
2
) the purchasing and using of thin backing plate: erect the rectangular area size of the upper mold bottom surface that close-packed arrays becomes by many neat sides of cope match-plate pattern, purchasing of the same area, thickness is
(1.0-1.5)mm
±
0.1mm
Stainless sheet steel two pieces, make respectively to be processed wood bamboo clappers upper and lower backing plate；
(
3
null) compacting: connect oil circuit，Set the oil pressure value scope of oil gauge，Time initial，The coil of solenoid directional control valve all no powers，Solenoid directional control valve is placed in the middle，The driving motor of fuel primer pump，Oil in oil circuit passes back into fuel tank by solenoid directional control valve，Multi-plunger oil cylinder switch cuts out，The oil circuit of multi-plunger oil cylinder is closed，Open piston oil-cylinder switch，Coil electricity on the right of solenoid directional control valve，Solenoid directional control valve occupy right position，Oil in oil circuit flows into cylinder under piston oil-cylinder by choke valve and solenoid directional control valve，The fluid of upper cylinder half passes back into fuel tank，Piston stroking upward，I.e. promote multi-plunger oil cylinder to extreme higher position by lifter，The press face of upper mold and lower mold is separated to maximum spacing，The curved surface shape keeping plate for sealing of both sides is changed by design requirement，Lower bolster is the most closely installed，Lower bolster on padding on lower bolster again，Repave into the wooden bamboo clappers being processed into curved slab，Cover upper padding plate the most in the above，Solenoid directional control valve left side coil electricity，Solenoid directional control valve occupy left position，Oil in oil circuit flows into piston oil-cylinder upper cylinder half，The oil of lower cylinder passes back into fuel tank，Descent of piston，I.e. by multi-plunger oil cylinder being displaced downwardly to operating position as the piston oil-cylinder of lifter，Load onto dismountable force-bearing piece，Close lifter switch，Open multi-plunger oil cylinder switch，Pressure oil enters multi-plunger oil cylinder by choke valve and solenoid directional control valve，Pressure oil flow is by throttle valve adjustment，Oil pressure is regulated by overflow valve，Pressure oil promotes multicolumn stopper rod descending，Each piece of cope match-plate pattern two ends are all descending along respective slideway，And acted on wooden bamboo clappers to be processed by cope match-plate pattern，And make wood bamboo clappers brake forming together with the lower bolster on lower bolster，Until the pressure of automatically controlled oil gauge arrives setting value，The coil blackout of solenoid directional control valve，Spool is in an intermediate position，Pressure oil sump tank，When in multi-plunger oil cylinder, oil liquid pressure is less than set pressure，Electrohydraulic pressure control table makes coil electricity on the left of solenoid directional control valve，Pressure oil is to multi-plunger oil cylinder ftercompction，Until wood bamboo part brake forming，Solenoid directional control valve coil blackout，In multi-plunger oil cylinder, fluid passes through solenoid directional control valve oil sump tank，Plunger in multi-plunger oil cylinder is retracted to extreme higher position under the effect of back-moving spring，Move on cope match-plate pattern，By upper padding plate、The wooden bamboo curved slab of machined one-tenth and lower bolster draw off；
(
4
) die change: when cope match-plate pattern and
/
Or lower bolster serious wear, during the situations such as the curve form change being processed into the wooden bamboo part of curved slab, die change to be arranged, the die change of upper and lower mould serious wear, takes down force-bearing piece, makes multi-plunger oil cylinder rise to a high position by lifter, after block-by-block extracts lower bolster out, upper mold will need the cope match-plate pattern that changes away to depart from the imbeding relation of circular hole of plunger lower end cake breach upper with band again, down pull out along its slideway, then change the newest cope match-plate pattern and
/
Or lower bolster, if the curved slab alteration of form simply need to processed, and each template of upper and lower mould is intact, as long as after the most first extracting whole lower bolster out, extract the curved surface stereotype plate at lower bolster two ends again out, change to the curved surface stereotype plate two pieces with the upper curl consistent with new curved cross section line by new curved surface requirement design, in position on be mounted opposite, then crowd's lower bolster shelf is resetted；When cope match-plate pattern or curved surface stereotype plate need to be exchanged, lower bolster need to be drawn off simultaneously, when only exchanging lower bolster, the most only unload lower bolster.
Figure
1
In demonstrate the lower bolster that polylith side is perpendicular, close parallel is installed
8
Arranging situation, and show multicolumn stopper rod
6
With cope match-plate pattern
7
Connection, figure
2
Show by four multi-plunger oil cylinders i.e.
A
、
B
、
C
、
D
The combination multi-plunger oil cylinder that cylinder is combined into
5
, this cylinder can the different combination cylinder number of on-demand selection, pressure smallclothes, single cylinder also can be used.The multicolumn consent of every cylinder
11
In there being folded eight word arrangements of spacing, the plunger hole in one stroke to the left and another to the right of eight words
11
Number equal, be respectively arranged with in a plunger hole plunger rod lower end and corresponding one block of cope match-plate pattern stretched out
7
On circular hole
18
Tabling, the dotted line in figure represent two blocks of cope match-plate patterns and four plunger holes Corresponding matching relation (
A-A
Section view can not show, but for illustrating, additionally add, be therefore represented by dashed line).Figure
3
Display multicolumn stopper rod
6
, many cope match-plate patterns
7
With many lower bolsters
8
Position arrangement, also show side plate
14
With curved surface stereotype plate
15
The situation of present position.Figure
5
Show four multi-plunger oil cylinders
5
With a piston oil-cylinder
3
Oil circuit annexation, multi-plunger oil cylinder is a kind of new modified model oil hydraulic cylinder, oil pressure must be controlled, just illustrate with figure and word, for being used for lifting the lifter of multi-plunger oil cylinder, both can lift with screw rod, it is also possible to piston oil-cylinder lifts, and lifts in figure as a example by piston oil-cylinder.Figure
6
Display cope match-plate pattern structure.Figure
7
For figure
6
Side view, show lower limb limit in the arc-shaped.For lower mold, its camber limit, top.Force-bearing piece in figure
13
It is arranged on four columns of methods, rack on multi-plunger oil cylinder, the kick of this oil cylinder when bearing multicolumn stopper rod descending pressure, it is to avoid the pressure loss dismountablely.
Numerous square and length, width and height side consistent, parallel to each other perpendicular against the equal shelf in two ends of lower bolster in the upper curl of the curved surface stereotype plate of lower bolster both end sides, so that the cross-sectional upper thread of end face that numerous lower bolsters are combined into together is consistent with the upper curl line of curved surface stereotype plate, i.e. trend and the curvature of the upper curl line of curved surface stereotype plate decides the curved surface trend of curved slab and the curvature of corresponding section.Therefore, change shape and the curvature of processing curve plate, only need to replace and be mounted opposite, two pieces of curved surface stereotype plates of same design, if being intended to process longer curved slab, available multiple general mold sections compacting splicings in one line, the shape of the curved slab no matter processed, what change is size make, all need not separately open upper/lower die, only need to exchange two pieces of curved surface stereotype plates being mounted opposite just may be used, and upper curl line only need to be made retrofit by curved surface stereotype plate, convenient, technical difficulty is little, low cost, delay man-hour few, collect the interior space shared by the curved surface stereotype plate changed few.
Claims (6)
- null1. the wooden bamboo curved slab universal mold of a band multi-plunger oil cylinder，Including frame (1)、Upper mold、Lower mold and oil sector，It is characterized in that there is hanging beam (4) the most successively、Upper beam (2)、Lifter (3)、Force-bearing piece (13)、Multi-plunger oil cylinder (5)、Cope match-plate pattern (7)、Lower bolster (8)、Base (10)，Both sides are respectively arranged with one piece of side plate (14)，Biside plate inwall is mounted opposite the slideway (16) of multi-plunger oil cylinder、Cope match-plate pattern slideway (17)、Crosspiece (9)，Lifter connects hanging beam and multi-plunger oil cylinder the most respectively，A back-moving spring it is cased with on every plunger rod of multi-plunger oil cylinder，The epimere of plunger rod (6) is cylindrical、The narrow flat bar of hypomere，Lower end patty，The circular hole (18) of the upper breach of band that avris upper with cope match-plate pattern (7) has mates，Cope match-plate pattern is rectangular slab，Two ends are inserted in the cope match-plate pattern slideway (17) inside biside plate，The steel cope match-plate pattern composition upper mold of polylith side parallel to each other vertical setting of types row；Lower bolster (8) is identical steel rectangular slab high, long, thick, polylith lower bolster (8) side is perpendicular, equidirectional parallel against, in the upper curl of the two ends shelf two pieces of curved surface stereotype plates (15) on two side inwall crosspiece (9), collectively constitute lower mold；Every cylinder of multi-plunger oil cylinder (5) has 2n plunger, is furnished with n block cope match-plate pattern, and n is natural number；The plunger hole (11) of each multi-plunger oil cylinder is in equidirectional folded eight word arrangements having spacing, and the plunger hole count on relative one stroke to the left and another to the right is equal.
- 2. the wooden bamboo curved slab universal mold of band multi-plunger oil cylinder as claimed in claim 1, is characterized in that described lifter (3) is piston oil-cylinder.
- 3. the wooden bamboo curved slab universal mold of band multi-plunger oil cylinder as claimed in claim 1 or 2, it is characterized in that the piston effective travel height more than cope match-plate pattern (7) of described lifter (3) i.e. piston oil-cylinder, effective workpiece area of its piston and the pressure of oil pressure long-pending more than multi-plunger oil cylinder (5) and its include most pressure oil time weight, add the frictional force between all cope match-plate pattern weight and itself and slideway, add all plunger rods, spring and with the weight of cope match-plate pattern connector and, multi-plunger oil cylinder (5) meets the middle pressure condition in GB, plunger rod diameter 25-35 mm.
- 4. the wooden bamboo curved slab universal mold of band multi-plunger oil cylinder as claimed in claim 1, the thickness that it is characterized in that described cope match-plate pattern is 10-15mm, width is 1/10th of length and is not less than 38mm, the thickness of lower bolster is 5-10mm, width is 1/10th of length and is not less than 50mm, and the upper side edge of the lower side of every block of cope match-plate pattern and every piece of lower bolster is processed into the arc limit without rib.
- 5. the wooden bamboo curved slab universal mold of band multi-plunger oil cylinder as claimed in claim 1, is characterized in that the supporting oil circuit of described multi-plunger oil cylinder (5) is connected into through pipe joint and oil pipe by fuel tank (19), variable pump (20), automatically controlled oil gauge (21), overflow valve (22), choke valve (23), solenoid directional control valve (24), multi-plunger oil cylinder switch (25), piston oil-cylinder switch (26), piston oil-cylinder (3) and each multi-plunger oil cylinder (5) the most successively.
- 6. the method suppressing wood bamboo curved slab with the universal mold described in claim 1, is characterized in that carrying out as follows:(1) purchased by design requirement, made and assemble this universal mold, wherein multi-plunger oil cylinder external coordination, entrust the enterprise producing oil cylinder having qualification to make；(2) the purchasing and using of thin backing plate: erect the rectangular area size of the upper mold bottom surface that close-packed arrays becomes by many neat sides of cope match-plate pattern, purchase stainless sheet steel two pieces of the same area, that thickness is (1.0-1.5) mm ± 0.1mm, make the upper and lower backing plate of wood bamboo clappers to be processed respectively；null(3) compacting: connect oil circuit，Set the oil pressure value scope of oil gauge，Time initial，The coil of solenoid directional control valve all no powers，Solenoid directional control valve is placed in the middle，The driving motor of fuel primer pump，Oil in oil circuit passes back into fuel tank by solenoid directional control valve，Multi-plunger oil cylinder switch cuts out，The oil circuit of multi-plunger oil cylinder is closed，Open piston oil-cylinder switch，Coil electricity on the right of solenoid directional control valve，Solenoid directional control valve occupy right position，Oil in oil circuit flows into cylinder under piston oil-cylinder by choke valve and solenoid directional control valve，The fluid of upper cylinder half passes back into fuel tank，Piston stroking upward，I.e. promote multi-plunger oil cylinder to extreme higher position by lifter，The press face of upper mold and lower mold is separated to maximum spacing，The curved surface shape keeping plate for sealing of both sides is changed by design requirement，Lower bolster is the most closely installed，Lower bolster on padding on lower bolster again，Repave into the wooden bamboo clappers being processed into curved slab，Cover upper padding plate the most in the above，Solenoid directional control valve left side coil electricity，Solenoid directional control valve occupy left position，Oil in oil circuit flows into piston oil-cylinder upper cylinder half，The oil of lower cylinder passes back into fuel tank，Descent of piston，I.e. by multi-plunger oil cylinder being displaced downwardly to operating position as the piston oil-cylinder of lifter，Load onto dismountable force-bearing piece，Close lifter switch，Open multi-plunger oil cylinder switch，Pressure oil enters multi-plunger oil cylinder by choke valve and solenoid directional control valve，Pressure oil flow is by throttle valve adjustment，Oil pressure is regulated by overflow valve，Pressure oil promotes multicolumn stopper rod descending，Each piece of cope match-plate pattern two ends are all descending along respective slideway，And acted on wooden bamboo clappers to be processed by cope match-plate pattern，And make wood bamboo clappers brake forming together with the lower bolster on lower bolster，Until the pressure of automatically controlled oil gauge arrives setting value，The coil blackout of solenoid directional control valve，Spool is in an intermediate position，Pressure oil sump tank，When in multi-plunger oil cylinder, oil liquid pressure is less than set pressure，Electrohydraulic pressure control table makes coil electricity on the left of solenoid directional control valve，Pressure oil is to multi-plunger oil cylinder ftercompction，Until wood bamboo part brake forming，Solenoid directional control valve coil blackout，In multi-plunger oil cylinder, fluid passes through solenoid directional control valve oil sump tank，Plunger in multi-plunger oil cylinder is retracted to extreme higher position under the effect of back-moving spring，Move on cope match-plate pattern，By upper padding plate、The wooden bamboo curved slab of machined one-tenth and lower bolster draw off；null(4) die change: when cope match-plate pattern and/or lower bolster serious wear，During the situations such as the curve form change being processed into the wooden bamboo part of curved slab，Die change to be arranged，The die change of upper and lower mould serious wear，Take down force-bearing piece，Multi-plunger oil cylinder is made to rise to a high position by lifter，After block-by-block extracts lower bolster out，The cope match-plate pattern needing in upper mold to change away is departed from the imbeding relation of the circular hole of plunger lower end cake breach upper with band again，Down pull out along its slideway，Change the newest cope match-plate pattern and/or lower bolster again，If the curved slab alteration of form simply need to processed，And each template of upper and lower mould is intact，As long as after the most first extracting whole lower bolster out，Extract the curved surface stereotype plate at lower bolster two ends again out，Change to the curved surface stereotype plate two pieces with the upper curl consistent with new curved cross section line by new curved surface requirement design，It is mounted opposite in position，Again crowd's lower bolster shelf is resetted；When cope match-plate pattern or curved surface stereotype plate need to be exchanged, lower bolster need to be drawn off simultaneously, when only exchanging lower bolster, the most only unload lower bolster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| EP0225628B1 (en) * | 1985-12-09 | 1992-07-29 | Toyota Jidosha Kabushiki Kaisha | Method for the manufacture of molded wooden products |
| CN2093079U (en) * | 1991-02-08 | 1992-01-15 | 陆瑜 | Moulding face plate prepressing die set |
| CN1112047A (en) * | 1994-02-19 | 1995-11-22 | J·迪芬巴赫机器制造有限公司 | Continous working pressing machine for producing wood bits plate or fibre plate etc. |
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