CN104100586A - Large-sized leather ironing equipment based on threaded-insert hydraulic system - Google Patents
Large-sized leather ironing equipment based on threaded-insert hydraulic system Download PDFInfo
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- CN104100586A CN104100586A CN201310116698.9A CN201310116698A CN104100586A CN 104100586 A CN104100586 A CN 104100586A CN 201310116698 A CN201310116698 A CN 201310116698A CN 104100586 A CN104100586 A CN 104100586A
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- valve
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- oil hydraulic
- directional control
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- 239000010985 leather Substances 0.000 title claims abstract description 22
- 238000010409 ironing Methods 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims description 30
- 239000002828 fuel tank Substances 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 44
- 239000007788 liquid Substances 0.000 description 4
- 238000004049 embossing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
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Abstract
The invention relates to large-sized leather ironing equipment based on a threaded-insert hydraulic system. The large-sized leather ironing equipment is mainly used for solving the technical problems of hydraulic systems of the existing leather ironing equipment that the dynamic response speed is low, the efficiency is low and the noise is high. The equipment comprises a frame, wherein a cooler, a combined valve block, an upper ironing plate, a secondary oil tank, a large hydraulic cylinder, table plates and a primary oil tank are fixedly mounted in each of side plates of two faces of the frame sequentially; an instrument box is fixedly mounted on the side plate of one face of the frame, and an electrical box is fixedly mounted on the opposite other face; each combined valve block comprises a valve body, an electromagnetic commutation valve, an overflow valve, a one-way valve, a sequence valve and a throttle valve, wherein the electromagnetic commutation valves, the overflow valves, the one-way valves, the sequence valves and the throttle valves are fixedly arranged on the valve bodies respectively; oil passages are formed in the valve bodies and are connected with hydraulic valves. According to the hydraulic system of the large-sized leather ironing equipment, the valve blocks are mounted by adopting threads in an inserted manner, so that the dynamic performance is good, the sealing performance is good, and the repair and replacement are facilitated; the productivity can be increased, the power loss can be lowered, and the oil temperature rise and noise can be lowered.
Description
Technical field
The present invention relates to a kind of large-scale leather pressing equipment, particularly a kind of large-scale leather pressing equipment based on threaded insert hydraulic system, is mainly used in tanning industry flatiron leather surface or leather surface pressed pattern, belongs to machinery manufacturing technology field.
Background technique
Ironing and embossing machine, for tanning industry flatiron leather surface or leather surface pressed pattern, is the equipment of modifying leather surface, coverage incompleteness, improving the grade, increase leather utilization ratio.Current its structure of leather pressing equipment generally adopts on single cylinder moves formula hydraulic press, and frame is vertical plate type.Entirety by electric heating ironing board, oil hydraulic cylinder, press platform, fuel tank, electric control box, Combined hydraulic valve piece etc. and form.But due to the defect on hydraulic system structure, exist in system that oil temperature is high, the problem such as the large and inconvenient maintenance of easy oil leakage, noise.The efficiency that simultaneously adopts existing equipment to produce product due to tonnage low (15000kN following) is lower, quality of product is also poor.
Summary of the invention
The present invention is that to address the above problem be object, mainly solve existing leather pressing Hydraulic Equipment and have the technical problem that dynamic responding speed is slow, efficiency is low, noise is large, and provide a kind of rational in infrastructure, manufacturing efficiency is high and the 18000kN of good product quality or large-scale leather pressing equipment more than 18000kN.
For achieving the above object, the present invention adopts following technical proposals: based on the large-scale leather pressing equipment of threaded insert hydraulic system, comprise framework (1), cooler (14), combination valve block (9), upper ironing board (4), drop tank (7), large oil hydraulic cylinder (6), platen (12) and main fuel tank (10) are fixedly housed in the side plate of framework (1) two sides successively.
A side plate of described framework (1) is fixedly equipped with instrument box (2), and relative another side is fixedly equipped with case for electrical apparatus (13); It is upper that the two sides side plate of framework (1) is fixed on base plate (15), and its peripheral hardware has hood (11).
Described large oil hydraulic cylinder (6) is connected by pipeline with liquid-filling valve (8), and another pipeline of liquid-filling valve (8) is connected with drop tank (7).Huge pillar plug (27) and small cylinder (25) are housed, the in-built small plunger of small cylinder (25) (26) in above-mentioned large oil hydraulic cylinder (6).Large plunger (27) in large oil hydraulic cylinder (6) is fixedly connected with pressing platform (5), in rising under the effect of the large plunger in large oil hydraulic cylinder (6) at fluid, contacts with upper ironing board (4), completes ironing and embossing to leather.
Connecting rod protective door (3) is housed on described upper ironing board (4).
Motor (16) is housed on described main fuel tank (10), oil hydraulic pump (17) is housed in main fuel tank (10).
Combinations thereof valve piece (9), comprise valve body (30), solenoid directional control valve A(19), solenoid directional control valve B(22), solenoid directional control valve C(29), relief valve (23), one-way valve (18), sequence valve (24) and throttle valve (31) be separately fixed on valve body (30).Valve body has fluid passage in (30), connects various hydrovalves, and above-mentioned all valves are screw-in cartridge valve.Above-mentioned valve body has multiple hydraulic fluid ports on (30), wherein hydraulic fluid port A(35) join by the output oil port of pipeline and oil hydraulic pump (17), hydraulic fluid port B(37) join by pipeline and main fuel tank (10), hydraulic fluid port C(32) connect the control mouth of oil hydraulic pump (17) by pipeline, hydraulic fluid port D(33) connect the filler opening of large oil hydraulic cylinder (6) by pipeline, hydraulic fluid port E(34) connect the filler opening of small cylinder (25), hydraulic fluid port F(36 by pipeline) connect the filler opening of cooler (14) by pipeline.The inlet port of oil hydraulic pump (17) connects main fuel tank (10), and the outlet of cooler (14) is by pipeline auxiliary connection fuel tank (7).
Above-mentioned solenoid directional control valve A(19) in electromagnet B(21 is housed), solenoid directional control valve B(22) in electromagnet A(20 is housed), solenoid directional control valve C(29) in electromagnet (28) is housed.
Beneficial effect of the present invention:
1. hydraulic system of the present invention adopts advanced screw-in cartridge valve piece, is optimized design, and screw-in cartridge valve dynamic performance is good, good airproof performance, be convenient to maintenance and change, and can boost productivity, reduce power loss, reduce fluid temperature rise and noise.
2. adopt the mode of volumetric speed control, automatic retarding while making raising platform approach ironing board, can reduce like this and impact and noise, extension device working life, distance and speed that raising platform deceleration is risen can be mediated as required, the benefit that has adopted volumetric speed control is energy saving, avoids causing oil liquid temperature to raise.
3. add throttle valve, make oil drain quantity controlled, the noise while effectively having reduced oil extraction, reconciles also very convenient.
4. the structure of pair traditional type sequence valve is improved, and has solved shuttle valve because long-term work produces the mechanical failure that wearing and tearing may cause.
5. adopt new type sealing element and advanced sealing configuration, stop to leak outside.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the annexation schematic diagram of hydraulic system of the present invention.
Fig. 4 is the plan view of combination valve block.
Fig. 5 is the plan view of combination valve block.
Fig. 6 is the rear view of combination valve block.
Embodiment
Embodiment
With reference to Fig. 1-6, based on the large-scale leather pressing equipment of threaded insert hydraulic system, comprise framework 1, cooler 14, combination valve block 9, upper ironing board 4, drop tank 7, large oil hydraulic cylinder 6, platen 12 and main fuel tank 10 are fixedly housed in framework 1 two sides side plate successively.
A side plate of described framework 1 is fixedly equipped with instrument box 2, and relative another side is fixedly equipped with case for electrical apparatus 13; The two sides side plate of framework 1 is fixed on base plate 15, and its peripheral hardware has hood 11.
Described large oil hydraulic cylinder 6 is connected by pipeline with liquid-filling valve 8, and another pipeline of liquid-filling valve 8 is connected with drop tank 7.Huge pillar plug 27 and small cylinder 25 are housed, the in-built small plunger 26 of small cylinder 25 in above-mentioned large oil hydraulic cylinder 6.Large plunger in large oil hydraulic cylinder 6 is fixedly connected with pressing platform 5, in rising under the effect of the large plunger in large oil hydraulic cylinder 6 at fluid, contacts with upper ironing board 4, completes ironing and embossing to leather.
On described upper ironing board 4, connecting rod protective door 3 is housed.
On described main fuel tank 10, motor 16 is housed, oil hydraulic pump 17 is housed in main fuel tank 10.
Combination valve block 9(in hydraulic system of the present invention is as shown in Fig. 3-6), comprise valve body 30, solenoid directional control valve A19, solenoid directional control valve B22, solenoid directional control valve C29, relief valve 23, one-way valve 18, sequence valve 24 and throttle valve 31 are separately fixed on valve body 30.In valve body 30, have fluid passage, connect various hydrovalves, above-mentioned all valves are screw-in cartridge valve.On above-mentioned valve body 30, have multiple hydraulic fluid ports, wherein hydraulic fluid port A35 by the output oil port of pipeline and oil hydraulic pump 17 join, hydraulic fluid port B37 by pipeline and main fuel tank 10 join, hydraulic fluid port C32 by pipeline connect the control mouth of oil hydraulic pump 17, filler opening, the hydraulic fluid port E34 that hydraulic fluid port D33 connects large oil hydraulic cylinder 6 by pipeline connects the filler opening of small cylinder 25, hydraulic fluid port F36 connects cooler 14 filler opening by pipeline by pipeline.The inlet port of oil hydraulic pump 17 connects main fuel tank 10, and the outlet of cooler 14 is by pipeline auxiliary connection fuel tank 7.
In above-mentioned solenoid directional control valve A19, electromagnet B21 is housed, electromagnet A20 is housed in solenoid directional control valve B22, electromagnet C28 is housed in solenoid directional control valve C29.
Working principle: when main frame switches on power, press motor starting button, oil hydraulic pump 17 rotates, hydraulic oil enters drop tank 7 through one-way valve 18, solenoid directional control valve 19, cooler 14.
Depress connecting rod protective door 3, automatic operation starting button is connected, electromagnet A20, electromagnet B21 switch on simultaneously, solenoid directional control valve B22, solenoid directional control valve A19, commutation, and relief valve 23 cuts out; Liquid-filling valve 8 is opened.Now sequence valve 24 also cuts out, and pressure oil enters small cylinder 25 through one-way valve 18, makes small plunger 26 fast rise, the large plunger 27 of jack-up.
In the time that large plunger 27 rises, the large interior generation negative pressure of oil hydraulic cylinder 6, because liquid-filling valve 8 is opened, the oil in drop tank 7 injects large oil hydraulic cylinder 6 through liquid-filling valve 8.In the time pressing platform 5 approaching upper ironing board 4, electromagnet C28 energising, solenoid directional control valve C29 commutation, presses platform 5 rates of climb and slows down.
Press after platform 5 and upper ironing board 4 electromagnet C28 power-off, solenoid directional control valve C29 commutation.Liquid-filling valve 8 cuts out, and the oil liquid pressure in system raises gradually, and now, sequence valve 24 is opened, and starts, to large oil hydraulic cylinder 6 fuel feeding, large oil hydraulic cylinder 6, small cylinder 25 to be pressurizeed simultaneously.
When oil pressure rises to after predetermined value, electromagnet A20 power-off, solenoid directional control valve B22 commutation, oil hydraulic pump 17 oil liquid are got back to drop tank 7 through relief valve 23, cooler 14, and system stops pressurization, starts pressurize.
Reach after predetermined value when the dwell time, electromagnet B21 power-off, solenoid directional control valve A19 commutation, large oil hydraulic cylinder 6 and small cylinder 25 inner fluids are got back to drop tank through solenoid directional control valve A19, cooler 14.
Oil liquid pressure in large oil hydraulic cylinder 6 drops to a certain degree, and liquid-filling valve 8 is also opened, the fluid fast return drop tank 7 in large oil hydraulic cylinder 6, large plunger 27 with press platform 5 fast-descendings, return to home position, complete one action circulation.Throttle valve 31 regulates the speed of draining the oil.
Claims (1)
1. the large-scale leather pressing equipment based on threaded insert hydraulic system, comprise framework (1), cooler (14), upper ironing board (4), drop tank (7), large oil hydraulic cylinder (6), combination valve block (9), platen (12) and main fuel tank (10) are fixedly housed in the side plate of framework (1) two sides successively, a side plate of described framework (1) is fixedly equipped with instrument box (2), and relative another side is fixedly equipped with case for electrical apparatus (13), it is upper that the two sides side plate of framework (1) is fixed on base plate (15), and its peripheral hardware has hood (11), and described large oil hydraulic cylinder (6) is connected by pipeline with liquid-filling valve (8), and another pipeline of liquid-filling valve (8) is connected with drop tank (7), large plunger in large oil hydraulic cylinder (6) with press platform (5) and be fixedly connected with, connecting rod protective door (3) is housed on described upper ironing board (4), motor (16) is housed on described main fuel tank (10), oil hydraulic pump (17) is housed in main fuel tank (10), it is characterized in that: described combination valve block (9), comprise valve body (30), solenoid directional control valve A(19), solenoid directional control valve B(22), solenoid directional control valve C(29), relief valve (23), one-way valve (18), sequence valve (24) and throttle valve (31) are separately fixed on valve body (30), valve body has fluid passage in (30), connecting fluid pressure valve, above-mentioned all valves are screw-in cartridge valve, above-mentioned valve body has multiple hydraulic fluid ports on (30), wherein hydraulic fluid port A(35) join by the output oil port of pipeline and oil hydraulic pump (17), hydraulic fluid port B(37) join by pipeline and main fuel tank (10), hydraulic fluid port C(32) connect the control mouth of oil hydraulic pump (17) by pipeline, hydraulic fluid port D(33) connect the filler opening of large oil hydraulic cylinder (6) by pipeline, hydraulic fluid port E(34) connect the filler opening of small cylinder (25) by pipeline, hydraulic fluid port F(36) connect the filler opening of cooler (14) by pipeline, the inlet port of oil hydraulic pump (17) connects main fuel tank (10), the outlet of cooler (14) is by pipeline auxiliary connection fuel tank (7), above-mentioned solenoid directional control valve A(19) in electromagnet B(21 is housed), solenoid directional control valve B(22) in electromagnet A(20 is housed), solenoid directional control valve C(29) in electromagnet C(28 is housed), huge pillar plug (27) and small cylinder (25) are housed in above-mentioned large oil hydraulic cylinder (6), the in-built small plunger of small cylinder (25) (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116698.9A CN104100586A (en) | 2013-04-07 | 2013-04-07 | Large-sized leather ironing equipment based on threaded-insert hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116698.9A CN104100586A (en) | 2013-04-07 | 2013-04-07 | Large-sized leather ironing equipment based on threaded-insert hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104100586A true CN104100586A (en) | 2014-10-15 |
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ID=51669031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310116698.9A Pending CN104100586A (en) | 2013-04-07 | 2013-04-07 | Large-sized leather ironing equipment based on threaded-insert hydraulic system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104100586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626471A (en) * | 2016-12-22 | 2017-05-10 | 马鞍山创诚中小企业服务中心有限公司 | An integral hydraulic punching machine |
| CN106739115A (en) * | 2016-12-22 | 2017-05-31 | 马鞍山创诚中小企业服务中心有限公司 | A kind of assemble method of integral hydraulic stamping machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012431A1 (en) * | 1978-12-16 | 1980-06-25 | DOKOUPIL, Jiri | Ironing and embossing machine for leather and similar flat material |
| CN2106256U (en) * | 1991-10-11 | 1992-06-03 | 沈阳市红桥机械厂 | Oil cylinder of plate type leather pressing and embossing machine |
| CN201110284Y (en) * | 2007-10-10 | 2008-09-03 | 山东泰丰液压设备有限公司 | Hydraulic control valve set for bending machine |
| CN201762338U (en) * | 2010-08-12 | 2011-03-16 | 林安利 | Hydraulic device for flat plate-type ironing and embossing machine |
| CN102181586A (en) * | 2011-04-01 | 2011-09-14 | 扬州扬宝机械有限公司 | Hydraulic control system of plate-type ironing embosser |
| CN102179950A (en) * | 2010-08-02 | 2011-09-14 | 湖南协力液压有限公司 | Novel oil press |
| CN202293374U (en) * | 2011-10-14 | 2012-07-04 | 东莞市银通机械科技有限公司 | Gantry correction hydraulic press |
| CN102691681A (en) * | 2012-06-26 | 2012-09-26 | 重庆键英液压机电有限公司 | Novel three-point type bending machine hydraulic system with quick energy conservation |
-
2013
- 2013-04-07 CN CN201310116698.9A patent/CN104100586A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012431A1 (en) * | 1978-12-16 | 1980-06-25 | DOKOUPIL, Jiri | Ironing and embossing machine for leather and similar flat material |
| CN2106256U (en) * | 1991-10-11 | 1992-06-03 | 沈阳市红桥机械厂 | Oil cylinder of plate type leather pressing and embossing machine |
| CN201110284Y (en) * | 2007-10-10 | 2008-09-03 | 山东泰丰液压设备有限公司 | Hydraulic control valve set for bending machine |
| CN102179950A (en) * | 2010-08-02 | 2011-09-14 | 湖南协力液压有限公司 | Novel oil press |
| CN201762338U (en) * | 2010-08-12 | 2011-03-16 | 林安利 | Hydraulic device for flat plate-type ironing and embossing machine |
| CN102181586A (en) * | 2011-04-01 | 2011-09-14 | 扬州扬宝机械有限公司 | Hydraulic control system of plate-type ironing embosser |
| CN202293374U (en) * | 2011-10-14 | 2012-07-04 | 东莞市银通机械科技有限公司 | Gantry correction hydraulic press |
| CN102691681A (en) * | 2012-06-26 | 2012-09-26 | 重庆键英液压机电有限公司 | Novel three-point type bending machine hydraulic system with quick energy conservation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626471A (en) * | 2016-12-22 | 2017-05-10 | 马鞍山创诚中小企业服务中心有限公司 | An integral hydraulic punching machine |
| CN106739115A (en) * | 2016-12-22 | 2017-05-31 | 马鞍山创诚中小企业服务中心有限公司 | A kind of assemble method of integral hydraulic stamping machine |
| CN106626471B (en) * | 2016-12-22 | 2018-05-11 | 安徽中瑞机床制造有限公司 | An integral hydraulic punching machine |
| CN106739115B (en) * | 2016-12-22 | 2018-07-10 | 安徽中瑞机床制造有限公司 | A kind of assemble method of integral hydraulic press machine |
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Application publication date: 20141015 |