CN203282725U - Clamping device for press worktable - Google Patents
Clamping device for press worktable Download PDFInfo
- Publication number
- CN203282725U CN203282725U CN2013201839749U CN201320183974U CN203282725U CN 203282725 U CN203282725 U CN 203282725U CN 2013201839749 U CN2013201839749 U CN 2013201839749U CN 201320183974 U CN201320183974 U CN 201320183974U CN 203282725 U CN203282725 U CN 203282725U
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- CN
- China
- Prior art keywords
- hydraulic oil
- press
- gear pump
- clamping
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a clamping device for a press worktable. The clamping device for the press worktable comprises a motor, a gear pump, a press clamping and jacking-out cylinder used for clamping or jacking up a movable worktable, and a pressure gage used for detecting the pressure inside the press clamping and jacking-out cylinder, wherein the motor is used for driving the gear pump to convey hydraulic oil to the press clamping and jacking-out cylinder. The clamping device for the press worktable further comprises an energy accumulator connected with an outlet of the gear pump, and when the motor drives the gear pump to convey hydraulic oil to the press clamping and jacking-out cylinder, the hydraulic oil is conveyed to the energy accumulator at the same time. The clamping device for the press worktable supplements the hydraulic oil through the energy accumulator, the pressure supplement operation on the press worktable for clamping or releasing is designed to be carried out by the energy accumulator from originally by a pneumatic pump to keep the pressure of the hydraulic oil inside the press stable, the cost for using the pneumatic pump is reduced, the cost is also greatly lowered, and meanwhile the consumption of air sources is reduced.
Description
Technical field
The utility model relates to for the clamping of press bench and loosens the apparatus for fastening of the forcing press of use, specifically, relates to a kind of press bench clamping device.
Background technology
In existing press bench clamping device, motor A stamps by pump the oil pressure that comes and is transported on forcing press clamping ejection cylinder, and travelling table is clamped or jack-up.But can there be the decline of a little in Pressure gauge pressure in process of production, at the decline course pressure, as reaching, does not require original air driven pump can continue ftercompction to reach the pressure of setting.Air driven pump is worked frequently.While adopting original motor to add air driven pump to carry out supplementary pressure to press bench, the deficiency that exists at present has following: because air driven pump is had relatively high expectations to the control of pressure, thereby cause the frequent operation of air driven pump.Also a kind of loss to source of the gas.Air driven pump shortens the service life of the air driven pump of knowing clearly after working frequently, be also the increase of intra-company's cost simultaneously.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of press bench clamping device is provided, this press bench clamping device supplements hydraulic oil to keep the stable of hydraulic fluid pressure in forcing press by accumulator, can not only reduce the cost that uses air driven pump, also have significantly and reduce, the consumption that can also save source of the gas simultaneously.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: a kind of press bench clamping device comprises motor, gear pump, is used for travelling table is clamped or the forcing press clamping ejection cylinder of jack-up and for detection of the Pressure gauge of forcing press clamping ejection in-cylinder pressure; Described motor-driven gear pump is delivered to forcing press clamping ejection cylinder with hydraulic oil; It is characterized in that: also comprise the accumulator that is connected with the gear pump outlet; When described motor-driven gear pump is delivered to forcing press clamping ejection cylinder with hydraulic oil, also hydraulic oil is flowed to accumulator simultaneously.
, as the further improved technical scheme of the utility model, also comprise for the stable overflow valve of control gear pump discharge hydraulic fluid pressure.
, as the further improved technical scheme of the utility model, also comprise pressure switch, stack check valve, fuel tank and commutator; The hydraulic oil check valve of flowing through after out through gear pump from main fuel tank, then flow to the two-position four-way solenoid directional control valve;
When the two-position four-way solenoid directional control valve left side obtains when electric, flow out and form three road hydraulic oil from the 3rd mouthful to second mouthful, first via hydraulic oil flows to binding clasp and loosens chamber through the stack check valve, and the second road hydraulic oil flows to binding clasp jack-up chamber, and the Third Road hydraulic oil two-position three-way electromagnetic of flowing through lifts valve;
Obtain when electric when two-position three-way electromagnetic lifts valve left side electromagnet, hydraulic oil stops flowing;
When two-position three-way electromagnetic lifted the spring action of valve the right, hydraulic oil flowed out to binding clasp from three mouthfuls of Firsts to the and loosens chamber;
When two-position four-way solenoid directional control valve the right electromagnet obtains when electric, hydraulic oil flows out to binding clasp from three mouthfuls of Firsts to the and clamps chamber;
While making hydraulic fluid pressure be elevated to the limit value that may damage when breaking down, hydraulic oil overflows in fuel tank; When hydraulic fluid pressure reaches when setting value, motor shuts down after receiving the signal of pressure switch transmission.
The utility model is designed to energy Storage Device with original air driven pump ftercompction work, when motor is stamped the hydraulic oil that comes and is flowed to forcing press by gear pump, simultaneously also hydraulic oil is flowed to accumulator, the hydraulic oil of accumulator storage elevated pressures, when Pressure gauge pressure drop in process of production, oil pressure in accumulator can discharge a part of past this moment, thereby does not need original air driven pump and machine operation.This press bench clamping device supplements hydraulic oil by accumulator, original press bench is clamped or loosens be designed to accumulator by the air driven pump ftercompction and carry out the ftercompction operation, to keep the stable of hydraulic fluid pressure in forcing press, can not only reduce the cost that uses air driven pump, also have significantly and reduce, the consumption that can also save source of the gas simultaneously.In a word, accumulator of the present utility model can carry out ftercompction to its pressure by accumulator when pressure drop is loosened in the clamping of the course pressure machine of producing, can be effectively forcing press in process of production pressure instability regularly play the ftercompction effect.
Description of drawings
Fig. 1 is principle schematic of the present utility model.
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.
The specific embodiment
Referring to Fig. 1, this press bench clamping device, comprise motor, gear pump, be used for travelling table is clamped or the forcing press clamping ejection cylinder of jack-up and for detection of the Pressure gauge of forcing press clamping ejection in-cylinder pressure; Described motor-driven gear pump is delivered to forcing press clamping ejection cylinder with hydraulic oil; It is characterized in that: also comprise the accumulator that is connected with the gear pump outlet; When described motor-driven gear pump is delivered to forcing press clamping ejection cylinder with hydraulic oil, also hydraulic oil is flowed to accumulator simultaneously.Also comprise for the stable overflow valve of control gear pump discharge hydraulic fluid pressure.Also comprise pressure switch, stack check valve, fuel tank and commutator; The hydraulic oil check valve of flowing through after out through gear pump from main fuel tank, then flow to the two-position four-way solenoid directional control valve;
When the two-position four-way solenoid directional control valve left side obtains when electric, flow out and form three road hydraulic oil from the 3rd mouthful of P to the second mouthful of B, first via hydraulic oil flows to binding clasp and loosens chamber through the stack check valve, and the second road hydraulic oil flows to binding clasp jack-up chamber, and the Third Road hydraulic oil two-position three-way electromagnetic of flowing through lifts valve; Obtain when electric when two-position three-way electromagnetic lifts valve left side electromagnet, hydraulic oil stops flowing; When two-position three-way electromagnetic lifted the spring action of valve the right, hydraulic oil flowed out to binding clasp from three mouthfuls of P of First A to the and loosens chamber; When two-position four-way solenoid directional control valve the right electromagnet obtains when electric, hydraulic oil flows out to binding clasp from three mouthfuls of P of First A to the and clamps chamber; While making hydraulic fluid pressure be elevated to the limit value that may damage when breaking down, hydraulic oil overflows in fuel tank; When hydraulic fluid pressure reaches when setting value, motor shuts down after receiving the signal of pressure switch transmission.
This press bench clamping device supplements hydraulic oil by accumulator, original press bench is clamped or loosens be designed to accumulator by the air driven pump ftercompction and carry out the ftercompction operation, to keep the stable of hydraulic fluid pressure in forcing press, can not only reduce the cost that uses air driven pump, also have significantly and reduce, the consumption that can also save source of the gas simultaneously.In a word, accumulator of the present utility model can carry out ftercompction to its pressure by accumulator when pressure drop is loosened in the clamping of the course pressure machine of producing, can be effectively forcing press in process of production pressure instability regularly play the ftercompction effect.
Claims (3)
1. press bench clamping device, comprise motor, gear pump, be used for travelling table is clamped or the forcing press clamping ejection cylinder of jack-up and for detection of the Pressure gauge of forcing press clamping ejection in-cylinder pressure; Described motor-driven gear pump is delivered to forcing press clamping ejection cylinder with hydraulic oil; It is characterized in that: also comprise the accumulator that is connected with the gear pump outlet; When described motor-driven gear pump is delivered to forcing press clamping ejection cylinder with hydraulic oil, also hydraulic oil is flowed to accumulator simultaneously.
2. press bench clamping device according to claim 1, is characterized in that: also comprise for the stable overflow valve of control gear pump discharge hydraulic fluid pressure.
3. press bench clamping device according to claim 1 and 2, is characterized in that: also comprise pressure switch, stack check valve, fuel tank and commutator; The hydraulic oil check valve of flowing through after out through gear pump from main fuel tank, then flow to the two-position four-way solenoid directional control valve;
When the two-position four-way solenoid directional control valve left side obtains when electric, from the 3rd mouthful (P) to second mouthful (B) flows out and forms three road hydraulic oil, first via hydraulic oil flows to binding clasp through the stack check valve and loosens chamber, the second road hydraulic oil flows to binding clasp jack-up chamber, and the Third Road hydraulic oil two-position three-way electromagnetic of flowing through lifts valve;
Obtain when electric when two-position three-way electromagnetic lifts valve left side electromagnet, hydraulic oil stops flowing;
When two-position three-way electromagnetic lifted the spring action of valve the right, hydraulic oil flowed out to binding clasp from First (A) to the 3rd mouthful (P) and loosens chamber;
When two-position four-way solenoid directional control valve the right electromagnet obtains when electric, hydraulic oil flows out to binding clasp and clamps chamber from First (A) to the 3rd mouthful (P);
While making hydraulic fluid pressure be elevated to the limit value that may damage when breaking down, hydraulic oil overflows in fuel tank; When hydraulic fluid pressure reaches when setting value, motor shuts down after receiving the signal of pressure switch transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201839749U CN203282725U (en) | 2013-04-13 | 2013-04-13 | Clamping device for press worktable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201839749U CN203282725U (en) | 2013-04-13 | 2013-04-13 | Clamping device for press worktable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203282725U true CN203282725U (en) | 2013-11-13 |
Family
ID=49539105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201839749U Expired - Fee Related CN203282725U (en) | 2013-04-13 | 2013-04-13 | Clamping device for press worktable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203282725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080207A (en) * | 2017-08-18 | 2018-12-25 | 沃得精机(中国)有限公司 | Die of press clamps the hydraulic and electrical control gear with mould ejection |
-
2013
- 2013-04-13 CN CN2013201839749U patent/CN203282725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080207A (en) * | 2017-08-18 | 2018-12-25 | 沃得精机(中国)有限公司 | Die of press clamps the hydraulic and electrical control gear with mould ejection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |