CN201402218Y - Pressing work test equipment for press machine - Google Patents
Pressing work test equipment for press machine Download PDFInfo
- Publication number
- CN201402218Y CN201402218Y CN200920055187XU CN200920055187U CN201402218Y CN 201402218 Y CN201402218 Y CN 201402218Y CN 200920055187X U CN200920055187X U CN 200920055187XU CN 200920055187 U CN200920055187 U CN 200920055187U CN 201402218 Y CN201402218 Y CN 201402218Y
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- cylinder body
- pressure
- press machine
- accumulator
- pressing machine
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- Expired - Fee Related
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Abstract
The utility model relates to pressing work test equipment for a press machine, comprising the press machine, a hydraulic cylinder used for simulating a stressed process of processed materials, a stopvalve, an energy accumulator, a pressurizer used for providing initial pressure for the hydraulic cylinder, a pressure measuring device used for measuring the oil pressure in a cylinder body of the hydraulic cylinder, and a displacement measurement device used for measuring the displacement of a hydraulic cylinder piston. The hydraulic cylinder is installed below a slider of the press machine, andthe pressurizer is connected with the cylinder body through the stop valve, and the energy accumulator is communicated with the cylinder body through a one-way throttle valve. The utility model utilizes the characteristics of the one-way throttle valve to retard oil return from the energy accumulator to the hydraulic cylinder, thereby reaching the effect of simulating actual material processing for the press machine. The utility model has the advantages of simple and reasonable structure, accurate measurement, and low cost, can measure the work of the press machine in rated working pressure and a rated working stroke, and also can directly measure the electrical energy consumed by a motor, thereby measuring single or successive pressing energy consumption of the press machine.
Description
Technical field
The utility model relates to a kind of checkout equipment that is applied to pressing machine manufacturing industry, especially for the pressing machine punching press merit testing apparatus of pressing machine punching press merit test.
Background technology
Chinese patent literature CN2514327 discloses a kind of pressing machine simulation loading equipment that is used for detected pressures machine fan-out capability (comprising power output and output energy) and simulation process operating position on pressing machine on October 2nd, 2002.This equipment can produce the fan-out capability that corresponding resistance comes the detected pressures machine according to the press ram position on piston.This equipment is by computer control, by hydraulic-driven, with sensor throw of poston and oil pressure, will load the oil extraction flow of cylinder and oil extraction flow and oil extraction pressure that oil extraction pressure converts back pressure cavity to are also controlled with the flow proportional servo-valve with big inserted valve.This equipment comprises that mainly loading cylinder, piston, big inserted valve, pressure transducer, displacement transducer, computing machine and flow proportional servo-valve forms, its complex structure, cost cost height, the accumulator oil return speed is fast, simulation real work validity is low, causes measuring accuracy low.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, low cost of manufacture, pressing machine punching press merit testing apparatus that the accurate precision of measurement is high, to overcome weak point of the prior art.
A kind of pressing machine punching press merit testing apparatus by this purpose design, comprise pressing machine, the hydraulic jack of simulation machined material loading process, stop valve, accumulator, the supercharger of first pressing is provided for hydraulic jack, measure the device for pressure measurement and the displacement measuring device that is used to measure the hydraulic cylinder piston moving displacement of oil pressure in the hydraulic jack cylinder body, hydraulic jack is arranged on the slide block below of pressing machine, supercharger is connected with cylinder body by stop valve, accumulator is communicated with cylinder body, its architectural feature is that accumulator is connected with cylinder body by one-way throttle valve, to delay accumulator, reach the effect of the actual rapidoprint of simulation press to the oil cylinder oil return.
The p2 port of described one-way throttle valve is communicated with accumulator, and the p1 port is communicated with the b port of cylinder body and stop valve respectively, and a port of stop valve is connected with the supercharger output terminal.
Described supercharger is the gas-liquid pressure-boosting device, and input end is connected with source of the gas.
Described device for pressure measurement is tensimeter and pressure transducer, and tensimeter is connected with cylinder body, and pressure transducer is arranged on the cylinder body; Displacement measuring device is a displacement transducer, and displacement transducer, pressure transducer also are electrically connected with PC and A/D module respectively, and PC and A/D module also are electrically connected with man-machine interface.
The utility model utilizes the characteristic of one-way throttle valve, to delay accumulator to the oil cylinder oil return, reach the effect of the actual rapidoprint of simulation press, this is simple and reasonable, measurement is accurate, but low cost of manufacture gaging pressure machine is in rated operating pressure and nominal operation stroke institute work, and pass through the directly electric energy of the consumption of measurement motor, thereby measure the single or the continuous punching press energy consumption of this pressing machine.
Description of drawings
Fig. 1 is the utility model one embodiment theory structure synoptic diagram.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1, this pressing machine punching press merit testing apparatus, comprise pressing machine, simulation machined material loading process hydraulic jack 2, stop valve 3, accumulator 5, for hydraulic jack provide first pressing supercharger 1, measure the tensimeter 8 and the pressure transducer 9 of oil pressure in the hydraulic jack cylinder body 2.2, and the displacement transducer 6 that is used to measure hydraulic cylinder piston 2.1 moving displacements, hydraulic jack is arranged on slide block 7 belows of pressing machine, supercharger is connected with cylinder body by stop valve, and accumulator is connected with cylinder body by one-way throttle valve 4.
The p of one-way throttle valve 4
2Port is communicated with p with accumulator 5
1Port is communicated with the b port of cylinder body 2.2 and stop valve 3 respectively, and a port of stop valve is connected with supercharger 1 output terminal, the supercharger input end be connected with source of the gas.Tensimeter 8 is connected with cylinder body 2.2, and pressure transducer 9 is arranged in the cylinder body; Displacement transducer 6, pressure transducer also are electrically connected with PC and A/D module 10 respectively, and PC and A/D module also are electrically connected with man-machine interface 11.
Above-mentioned supercharger is the gas-liquid pressure-boosting device.
Its principle of work is: at first, hydraulic jack is added initial pressure, open stop valve 3, supercharger 1 slowly to cylinder body 2.2 and accumulator 5 precharges, when pressure reaches set pressure, cuts out stop valve; Then, adjusting slider 7 stressed displacements, the starting pressure machine, when piston 2.1 contacts with slide block, PC and A/D module read displacement and pressure value by displacement transducer and pressure transducer, calculate pressing machine institute work by the relation of handling displacement and pressure, and man-machine interface shows power, pressure, displacement in real time by communication modes; At last, when slide block arrives the bottom dead centre backhaul, because the effect of one-way throttle valve 4, after slide block and oil cylinder disengage fully, accumulator 5 just through controllable throttle valve slowly to the cylinder body oil return, finish single or the continuous working institute work of measuring pressing machine, and pass through directly to measure the consumed power of motor, thereby measure the punching press energy consumption of this pressing machine.
Claims (4)
1. pressing machine punching press merit testing apparatus, comprise pressing machine, the hydraulic jack (2) of simulation machined material loading process, stop valve (3), accumulator (5), the supercharger (1) of first pressing is provided for hydraulic jack, measure the device for pressure measurement and the displacement measuring device that is used to measure hydraulic cylinder piston (2.1) moving displacement of the interior oil pressure of hydraulic jack cylinder body (2.2), hydraulic jack is arranged on slide block (7) below of pressing machine, supercharger is connected with cylinder body by stop valve, accumulator is communicated with cylinder body, it is characterized in that accumulator passes through one-way throttle valve (4) and is connected with cylinder body, to delay accumulator, reach the effect of the actual rapidoprint of simulation press to the oil cylinder oil return.
2. according to the described pressing machine punching press of claim 1 merit testing apparatus, it is characterized in that the p of described one-way throttle valve (4)
2Port is communicated with p with accumulator (5)
1Port is communicated with the b port of cylinder body (2.2) and stop valve (3) respectively, and a port of stop valve is connected with supercharger (1) output terminal.
3. according to claim 1 or 2 described pressing machine punching press merit testing apparatuss, it is characterized in that described supercharger (1) is the gas-liquid pressure-boosting device, input end is connected with source of the gas.
4. according to the described pressing machine punching press of claim 1 merit testing apparatus, it is characterized in that described device for pressure measurement is tensimeter (8) and pressure transducer (9), tensimeter is connected with cylinder body (2.2), and pressure transducer is arranged on the cylinder body; Displacement measuring device is displacement transducer (6), and displacement transducer, pressure transducer also are electrically connected with PC and A/D module (10) respectively, and PC and A/D module also are electrically connected with man-machine interface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920055187XU CN201402218Y (en) | 2009-04-22 | 2009-04-22 | Pressing work test equipment for press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920055187XU CN201402218Y (en) | 2009-04-22 | 2009-04-22 | Pressing work test equipment for press machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402218Y true CN201402218Y (en) | 2010-02-10 |
Family
ID=41662014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920055187XU Expired - Fee Related CN201402218Y (en) | 2009-04-22 | 2009-04-22 | Pressing work test equipment for press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201402218Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458381A (en) * | 2018-12-24 | 2019-03-12 | 尚廷东 | A kind of hydraulic loading device of included standard force source |
| CN109973581A (en) * | 2019-04-29 | 2019-07-05 | 合肥工业大学 | A kind of push rod damper calculating acting |
| CN110406154A (en) * | 2019-08-29 | 2019-11-05 | 一重集团天津重工有限公司 | A kind of Press Slider component function test method |
| CN111721562A (en) * | 2020-06-05 | 2020-09-29 | 扬力集团股份有限公司 | Energy testing device for press |
-
2009
- 2009-04-22 CN CN200920055187XU patent/CN201402218Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458381A (en) * | 2018-12-24 | 2019-03-12 | 尚廷东 | A kind of hydraulic loading device of included standard force source |
| CN109973581A (en) * | 2019-04-29 | 2019-07-05 | 合肥工业大学 | A kind of push rod damper calculating acting |
| CN110406154A (en) * | 2019-08-29 | 2019-11-05 | 一重集团天津重工有限公司 | A kind of Press Slider component function test method |
| CN111721562A (en) * | 2020-06-05 | 2020-09-29 | 扬力集团股份有限公司 | Energy testing device for press |
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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: 20100210 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |