CN103879025A - External hydraulic press ejecting limiting control device - Google Patents
External hydraulic press ejecting limiting control device Download PDFInfo
- Publication number
- CN103879025A CN103879025A CN201210559776.8A CN201210559776A CN103879025A CN 103879025 A CN103879025 A CN 103879025A CN 201210559776 A CN201210559776 A CN 201210559776A CN 103879025 A CN103879025 A CN 103879025A
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- Prior art keywords
- limit switch
- chain
- ejects
- hydraulic press
- sprocket wheel
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Abstract
The invention relates to an external hydraulic press ejecting limiting control device. Ejecting or returning of the piston rod of a hydraulic press is limited. The control device comprises a flange disc, a rear sprocket, a front sprocket, a chain, a counterweight, a collision block, an ejecting limiting switch and a returning limiting switch. The flange disc is arranged in a cylinder of the hydraulic press and is fixed to the piston rod in the piston rod in the cylinder of the hydraulic press, the rear sprocket and the front sprocket are respectively arranged on the rear and front of the hydraulic press, one end of the chain is fixed to the flange disc, the middle of the chain is engaged with the rear sprocket and the front sprocket, the other end of the chain is provided with the counterweight, the collision block is arranged on the chain between the front sprocket and the counterweight, and the ejecting limiting switch and the returning limiting switch are respectively arranged on two sides of the chain between the front sprocket and the counterweight and are electrically connected with a control circuit of the cylinder of the hydraulic press respectively. Compared with the prior art, the external hydraulic press ejecting limiting control device has the advantages that structure is novel and simple, usage is facilitated, and the adaptable range is broad.
Description
Technical field
The present invention relates to hydraulic machinery field, especially relate to a kind of external hydraulic machine and eject limit control.
Background technology
Hydraulic press liftout attachment is to set up according to the needs of technique, and general design, at sill middle part, to eject workpiece, sometimes, in the time of sheet metal stretching, also can utilize as flanging and use.Just need stopping means to carry out spacing to ejecting action and will make to eject motion automation precision.The liftout attachment of old-fashioned hydraulic press, without lower liftout tank stroke limit, ejects although can realize, and can only accomplish that total travel ejects, and does not solve spacing problem, affects production efficiency.Afterwards through being modified into the control of cylinder crawl, spacing high to manipulation request of crawl, each action relies on the spacing inconvenience of crawl also inaccurate, does not also realize the automation that ejects action.New-type hydraulic cylinder afterwards, although be provided with limit switch, this switch is arranged in the lathe melt pit under workbench, when adjustment, need to someone get into adjusting in the melt pit under workbench, adjustment stroke is very inconvenient.
To sum up, the present invention proposes a kind of external hydraulic machine and eject limit control, not only simple in structure, and because limit switch is arranged on lathe outside, do not need to get into the interior adjusting of lathe melt pit spacing, but directly regulate outside the position of limit switch can realize the limit function that ejects, resets, very easy to use.
Summary of the invention
Object of the present invention is exactly to provide a kind of external hydraulic machine simple in structure, easy to use, that enhance productivity to eject limit control in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of external hydraulic machine ejects limit control, to piston rod in hydraulic press eject or reset carry out spacing, this control device comprises ring flange, rear sprocket wheel, front sprocket wheel, chain, balancing weight, collision block, eject limit switch and reset limit switch, described ring flange is located in hydraulic press cylinder body and fixes with the piston rod in hydraulic press cylinder, described rear sprocket wheel and front sprocket wheel are located at respectively rear side and the front side of hydraulic press, one end of described chain is fixed on ring flange, the mid portion of chain respectively with rear sprocket wheel and front sprocket engagement, the other end of chain is provided with balancing weight, chain between front sprocket wheel and balancing weight is provided with collision block, the described both sides that eject limit switch and reset limit switch and be located at respectively the chain between front sprocket wheel and balancing weight, the described limit switch that ejects is connected with the control circuit of hydraulic press cylinder respectively with reset limit switch, the shake-up that ejects limit switch and reset limit switch will be played and eject respectively, spacing effect resets.
Chain between described rear sprocket wheel and front sprocket wheel is positioned at the T-shaped groove of hydraulic press workbench.
One end of described chain is fixed on ring flange by chain fixed block.
The side of hydraulic press is fixed with two angle iron elongated slots, described ejects limit switch and reset limit switch is located on angle iron elongated slot by bolt respectively.
Described eject limit switch and the position of reset limit switch on angle iron elongated slot can regulate by bolt.
The outside of the chain between front sprocket wheel and balancing weight is arranged with the square rail that is fixed on hydraulic press side.
Described collision block with eject limit switch and reset limit switch is positioned at same perpendicular, and collision block with eject limit switch and reset limit switch between the moving up and down to strike and eject limit switch or reset limit switch of distance guarantee collision block.
Described collision block is connected with chain by bolt.
When hydraulic press ejects action, hydraulic cylinder is by piston rod jack-up, chain ejects action synchronizing moving with piston rod under the pulling force effect of balancing weight, collision block on chain clashes into and ejects limit switch, and piston rod ejects action to be stopped, and then hydraulic press carries out homing action, piston rod moves down, drive the collision block on chain to move upward, collision block clashes into reset limit switch, and homing action stops.
Compared with prior art, novel structure of the present invention, simple, easy to use, just can carry out spacing control by the height that regulates external limit switch, and the present invention to manufacture installation cost low, applied widely.
Brief description of the drawings
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is side-looking structural representation of the present invention.
In figure, 1 is balancing weight, and 2 is chain, and 3 is square rail, and 4 for ejecting limit switch, and 5 is collision block, 6 is angle iron elongated slot, and 7 is reset limit switch, and 8 is front sprocket wheel, and 9 is rear sprocket wheel, and 10 is chain fixed block, 11 is ring flange, and 12 is piston rod, and 13 is workbench, and 14 is T-shaped groove, and 15 is oil cylinder.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of external hydraulic machine ejects limit control, as shown in Figures 1 and 2, to piston rod in hydraulic press 12 eject or reset carry out spacing, this control device comprises ring flange 11, rear sprocket wheel 9, front sprocket wheel 8, chain 2, balancing weight 1, collision block 5, eject limit switch 4 and reset limit switch 7, ring flange 11 is located in hydraulic press cylinder body and with the piston rod 12 in hydraulic press cylinder 15 and fixes, rear sprocket wheel 9 and front sprocket wheel 8 are located at respectively rear side and the front side of hydraulic press, one end of chain 2 is fixed on ring flange 11 by chain fixed block 10, the mid portion of chain 2 engages with rear sprocket wheel 9 and front sprocket wheel 8 respectively, the other end of chain 2 is provided with balancing weight 1, chain 2 between front sprocket wheel 8 and balancing weight 1 is provided with collision block 5, eject the both sides that limit switch 4 and reset limit switch 7 are located at respectively the chain 2 between front sprocket wheel 8 and balancing weight 1, ejecting limit switch 4 is connected with the control circuit of hydraulic press cylinder 15 respectively with reset limit switch 7, ejecting limit switch 4 will play and eject respectively with the shake-up of reset limit switch 7, spacing effect resets, chain 2 between rear sprocket wheel 9 and front sprocket wheel 8 is positioned at the T-shaped groove 14 of hydraulic press workbench 13.The side of hydraulic press is fixed with two angle iron elongated slots 6, ejects limit switch 4 and is located on angle iron elongated slot 6 by bolt respectively with reset limit switch 7.Ejecting limit switch 4 can regulate by bolt with the position of reset limit switch 7 on angle iron elongated slot 6.The outside of the chain 2 between front sprocket wheel 8 and balancing weight 1 is arranged with the square rail 3 that is fixed on hydraulic press side.Collision block 5 with eject limit switch 4 and reset limit switch 7 is positioned at same perpendicular, and collision block 5 with eject limit switch 4 and reset limit switch 7 between the moving up and down to strike and eject limit switch 4 or reset limit switch 7 of distance guarantee collision block 5.Collision block 5 is connected with chain 2 by bolt.
When hydraulic press ejects action, hydraulic cylinder is by piston rod 12 jack-up, chain 2 ejects action synchronizing moving with piston rod 12 under the pulling force effect of balancing weight 1, collision block 5 on chain 2 clashes into and ejects limit switch 4, and piston rod 12 ejects action to be stopped, and then hydraulic press carries out homing action, piston rod 12 moves down, drive the collision block 5 on chain 2 to move upward, collision block 5 clashes into reset limit switch 7, and homing action stops.
Claims (8)
1. an external hydraulic machine ejects limit control, to piston rod in hydraulic press eject or reset carry out spacing, it is characterized in that, this control device comprises ring flange, rear sprocket wheel, front sprocket wheel, chain, balancing weight, collision block, eject limit switch and reset limit switch, described ring flange is located in hydraulic press cylinder body and fixes with the piston rod in hydraulic press cylinder, described rear sprocket wheel and front sprocket wheel are located at respectively rear side and the front side of hydraulic press, one end of described chain is fixed on ring flange, the mid portion of chain respectively with rear sprocket wheel and front sprocket engagement, the other end of chain is provided with balancing weight, chain between front sprocket wheel and balancing weight is provided with collision block, the described both sides that eject limit switch and reset limit switch and be located at respectively the chain between front sprocket wheel and balancing weight, the described limit switch that ejects is connected with the control circuit of hydraulic press cylinder respectively with reset limit switch,
When hydraulic press ejects action, hydraulic cylinder is by piston rod jack-up, chain ejects action synchronizing moving with piston rod under the pulling force effect of balancing weight, collision block on chain clashes into and ejects limit switch, and piston rod ejects action to be stopped, and then hydraulic press carries out homing action, piston rod moves down, drive the collision block on chain to move upward, collision block clashes into reset limit switch, and homing action stops.
2. a kind of external hydraulic machine according to claim 1 ejects limit control, it is characterized in that, the chain between described rear sprocket wheel and front sprocket wheel is positioned at the T-shaped groove of hydraulic press workbench.
3. a kind of external hydraulic machine according to claim 1 ejects limit control, it is characterized in that, one end of described chain is fixed on ring flange by chain fixed block.
4. a kind of external hydraulic machine according to claim 1 ejects limit control, it is characterized in that, the side of hydraulic press is fixed with two angle iron elongated slots, described ejects limit switch and reset limit switch is located on angle iron elongated slot by bolt respectively.
5. a kind of external hydraulic machine according to claim 4 ejects limit control, it is characterized in that, described ejects limit switch and the position of reset limit switch on angle iron elongated slot can regulate by bolt.
6. a kind of external hydraulic machine according to claim 1 ejects limit control, it is characterized in that, the outside of the chain between front sprocket wheel and balancing weight is arranged with the square rail that is fixed on hydraulic press side.
7. a kind of external hydraulic machine according to claim 1 ejects limit control, it is characterized in that, described collision block with eject limit switch and reset limit switch is positioned at same perpendicular, and collision block with eject limit switch and reset limit switch between the moving up and down to strike and eject limit switch or reset limit switch of distance guarantee collision block.
8. a kind of external hydraulic machine according to claim 1 ejects limit control, it is characterized in that, described collision block is connected with chain by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559776.8A CN103879025B (en) | 2012-12-20 | 2012-12-20 | A kind of external hydraulic machine ejects limit control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559776.8A CN103879025B (en) | 2012-12-20 | 2012-12-20 | A kind of external hydraulic machine ejects limit control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103879025A true CN103879025A (en) | 2014-06-25 |
| CN103879025B CN103879025B (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210559776.8A Expired - Fee Related CN103879025B (en) | 2012-12-20 | 2012-12-20 | A kind of external hydraulic machine ejects limit control |
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| CN (1) | CN103879025B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834856A (en) * | 2019-03-28 | 2019-06-04 | 四川省万光机械设备有限公司 | A kind of ceramic tile cutter |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU592619A1 (en) * | 1976-08-13 | 1978-02-15 | Уральский государственный институт по проектированию металлургических заводов | Device for removing articles from working area of vertical press |
| SU654450A1 (en) * | 1977-12-14 | 1979-03-30 | Предприятие П/Я Г-4798 | Arrangement for ejecting work from press die unit |
| SU1031763A1 (en) * | 1982-04-22 | 1983-07-30 | Воронежское производственное объединение по выпуску тяжелых механических прессов | Ram of hot-stamping press |
| EP0233113B1 (en) * | 1986-01-30 | 1989-07-05 | AEROSPATIALE Société Nationale Industrielle | Ejection starting and halting device for an article in an injection-moulding machine |
| RU1819783C (en) * | 1991-01-08 | 1993-06-07 | Одесское специальное конструкторское бюро специальных станков | Vertical packing press |
| CN2510279Y (en) * | 2001-12-06 | 2002-09-11 | 天津市锻压机床总厂 | External liftout attachment for glass fiber reinforced plastic product hydraulic press |
| CN2570020Y (en) * | 2002-08-30 | 2003-09-03 | 天津市天锻压力机有限公司 | Stroke stopping means for hydraulic press lifting cylinder |
| CN201240074Y (en) * | 2008-08-21 | 2009-05-20 | 合肥锻压机床有限公司 | Range limiter |
| CN202123214U (en) * | 2011-06-10 | 2012-01-25 | 宁波强盛机械模具有限公司 | External limiting ejection mechanism |
| CN202592808U (en) * | 2012-05-14 | 2012-12-12 | 徐州压力机械有限公司 | Anti-rotation and stroke control device of ejection cylinder of hydraulic press |
| CN203093094U (en) * | 2012-12-20 | 2013-07-31 | 上海工程技术大学 | Ejection limiting mechanism for hydraulic machine |
-
2012
- 2012-12-20 CN CN201210559776.8A patent/CN103879025B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU592619A1 (en) * | 1976-08-13 | 1978-02-15 | Уральский государственный институт по проектированию металлургических заводов | Device for removing articles from working area of vertical press |
| SU654450A1 (en) * | 1977-12-14 | 1979-03-30 | Предприятие П/Я Г-4798 | Arrangement for ejecting work from press die unit |
| SU1031763A1 (en) * | 1982-04-22 | 1983-07-30 | Воронежское производственное объединение по выпуску тяжелых механических прессов | Ram of hot-stamping press |
| EP0233113B1 (en) * | 1986-01-30 | 1989-07-05 | AEROSPATIALE Société Nationale Industrielle | Ejection starting and halting device for an article in an injection-moulding machine |
| RU1819783C (en) * | 1991-01-08 | 1993-06-07 | Одесское специальное конструкторское бюро специальных станков | Vertical packing press |
| CN2510279Y (en) * | 2001-12-06 | 2002-09-11 | 天津市锻压机床总厂 | External liftout attachment for glass fiber reinforced plastic product hydraulic press |
| CN2570020Y (en) * | 2002-08-30 | 2003-09-03 | 天津市天锻压力机有限公司 | Stroke stopping means for hydraulic press lifting cylinder |
| CN201240074Y (en) * | 2008-08-21 | 2009-05-20 | 合肥锻压机床有限公司 | Range limiter |
| CN202123214U (en) * | 2011-06-10 | 2012-01-25 | 宁波强盛机械模具有限公司 | External limiting ejection mechanism |
| CN202592808U (en) * | 2012-05-14 | 2012-12-12 | 徐州压力机械有限公司 | Anti-rotation and stroke control device of ejection cylinder of hydraulic press |
| CN203093094U (en) * | 2012-12-20 | 2013-07-31 | 上海工程技术大学 | Ejection limiting mechanism for hydraulic machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834856A (en) * | 2019-03-28 | 2019-06-04 | 四川省万光机械设备有限公司 | A kind of ceramic tile cutter |
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| Publication number | Publication date |
|---|---|
| CN103879025B (en) | 2015-12-09 |
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Granted publication date: 20151209 Termination date: 20211220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |