CN104959446A - Device for measuring stamping force needed by die - Google Patents
Device for measuring stamping force needed by die Download PDFInfo
- Publication number
- CN104959446A CN104959446A CN201510403968.3A CN201510403968A CN104959446A CN 104959446 A CN104959446 A CN 104959446A CN 201510403968 A CN201510403968 A CN 201510403968A CN 104959446 A CN104959446 A CN 104959446A
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- China
- Prior art keywords
- die
- installing plate
- nitrogen spring
- fixed
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the field of stamping dies, and discloses a device for measuring stamping force needed by a die. The device for measuring the stamping force needed by the die comprises a die shank (1), an installation plate (2), a pressure meter (3) and nitrogen springs (4); the lower end of the die shank (1) is fixed on the upper surface of the installation plate (2), and the upper end of the die shank (1) is fixedly connected with an upper sliding block of a press; the installation plate (2) is fixedly connected with an upper die plate of the die, and the pressure meter is installed and fixed on the installation plate (2); the nitrogen springs (4) are arranged between the installation plate (2) and the upper die plate, the upper ends of the nitrogen springs (4) are fixed on the lower surface of the installation plate (2), the lower end faces of the nitrogen springs (4) make effective contact with the upper die plate, and the nitrogen springs (4) are communicated with the pressure meter (3) through pipelines (5). Compared with the prior art, the device for measuring the stamping force needed by the die can be used in cooperation with a small common press without digital display pressure, and therefore the accurate measurement for the stamping force needed by the die can be achieved easily.
Description
Technical field
The present invention relates to diel field, particularly a kind of device for stamping press needed for Measurement die.
Background technology
In stamping Die Design, calculate the important process that stamping press is design, the stamping press of calculating accurately just can design the mould of high efficiency, low cost.But along with the continuous renewal of material, updating of Sheet Metal Forming Technology, originally old theoretical calculation formula some can not meet existing Sheet Metal Forming Technology, the such as blanking pressure of high-strength thermal forming steel plate, now for reducing blanking pressure, usually adopt shearing edge technique.The blanking pressure of this technique has much actually, and whether the account form be evolved by old theoretical formula is accurate, is badly in need of wanting a kind of simple and practical method to go to measure checking.
For reducing test input cost, some little test moulds generally all can be done to measure stamping pressure.Stamping pressure is provided by forcing press, the mould pressure required when punching press will feed back from forcing press, the function that forcing press needs numerical monitor real-time pressure just can pressure needed for Measurement die punching press, and baby press does not generally have this function, only have large pressing machine just may be equipped with this digital displaying function, but tonnage is very little needed for test mould, generally at 0 ~ 20 ton, it is inaccurate that large pressing machine shows little tonnage.
Summary of the invention
goal of the invention:for problems of the prior art, the invention provides a kind of device for stamping press needed for Measurement die, this device can with the small-sized ordinary press not with numerical monitor pressure with the use of, easily to realize the accurate measurement to stamping press needed for mould.
technical scheme:the invention provides a kind of device for stamping press needed for Measurement die, comprise die shank, installing plate, Pressure gauge and nitrogen spring; The lower end of described die shank is fixed on the upper surface of described installing plate, and the described upper end of die shank is fixedly connected with the top shoe of forcing press; Described installing plate is fixedly connected with the cope match-plate pattern of mould, and described Pressure gauge is fixed on described installing plate; Described nitrogen spring is arranged between described installing plate and described cope match-plate pattern, and the upper end of described nitrogen spring is fixed on the lower surface of described installing plate, and the lower surface of described nitrogen spring effectively contacts with described cope match-plate pattern; Described nitrogen spring is communicated with described Pressure gauge by pipeline.
Further, described nitrogen spring is at least two, and is interconnected after being connected by many described pipeline head and the tail between each described nitrogen spring.When needed for mould, stamping press is larger, general use multiple nitrogen spring with the use of, identical for guaranteeing the nitrogen pressure in each nitrogen spring, in the present invention by between each nitrogen spring by the mutual serial communication of pipeline.
Further, connected by cylinder connector between many described pipeline head and the tail.Gas leakage should be avoided between each pipeline, the power on forcing press can be passed to upper mould by each nitrogen spring like clockwork, use Special cylinder joint effectively to avoid pipe joint leak gas, while for convenience detach with installation.
Preferably, the lower end of described die shank is fixed on the upper surface of described installing plate by the mode excessively coordinated.
Preferably, the upper end of described nitrogen spring is threaded connection the lower surface being fixed on described installing plate.The mode be connected and fixed between nitrogen spring and installing plate can have a variety of, and be threaded just one wherein, is threaded and is convenient to removing and installing of nitrogen spring.
Preferably, the lower end of described installing plate and described cope match-plate pattern flexibly connect fixing by contour bolt.Contour bolt flexibly connects and can ensure the normal forced compression of each nitrogen spring and be accurately delivered on cope match-plate pattern by pressure, is beneficial to accurate measurement.
Further, described Pressure gauge is fixed on described installing plate by Pressure gauge mounting blocks.
beneficial effect:in the present invention for the device of stamping press needed for Measurement die in use, only the upper end of die shank need be fixedly connected with the top shoe of ordinary press, installing plate is fixedly connected with the object that namely can reach stamping press needed for Measurement die with the cope match-plate pattern of mould, according to the principle of active force and reaction force, forcing press applied pressure all can pass to the patrix of mould by this device, Pressure gauge in the process in this device can demonstrate transmitted Pressure maximum value, this maximum is exactly the maximum of stamping press needed for mould, method of operating is easy, measure accurately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation after each nitrogen spring is communicated with by pipeline;
Fig. 3 is the structural representation after the present invention is combined with mould;
Fig. 4 is the pressure curve of nitrogen spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Present embodiments provide for a kind of device for stamping press needed for Measurement die, as shown in Fig. 1 ~ 3, by die shank 1, installing plate 2, Pressure gauge 3 and eight nitrogen springs 4 form, the upper end of die shank 1 is fixedly connected with the common top shoe (not shown) without manometric baby press, lower end is fixedly connected with by the mode excessively coordinated with the upper surface of installing plate 2, eight nitrogen springs 4 are all arranged between installing plate 2 and the cope match-plate pattern of mould and specification is identical, the upper end of each nitrogen spring 4 is all threaded fixing with the lower surface of installing plate 2, lower surface all effectively contacts with the cope match-plate pattern of mould, flexibly connect fixing by contour bolt 7 between installing plate 2 and cope match-plate pattern, be communicated with respectively by pipeline 5 between each nitrogen spring 4, cylinder connector 6 head and the tail are used to connect between each pipeline 5, Pressure gauge 3 is fixedly mounted on the lower surface of installing plate 2 by Pressure gauge mounting blocks 8, and is also communicated with by pipeline 5 between Pressure gauge 3 with each nitrogen spring 4.
The operation principle of this device is as follows: before the punching, first forcing press top shoe is stopped at top dead centre, this device is raised together with the cope match-plate pattern of mould and patrix the counterdie leaving mould, now each nitrogen spring 4 is not by any pressure, namely compression travel is not had, pointer instruction 150 bar (initial pressure) of Pressure gauge 3; Then the workpiece of punching press will be placed on counterdie and have good positioning, start punching press, forcing press top shoe moves downward and drives this device and cope match-plate pattern and patrix to move downward, when patrix touch workpiece start stressed time, power is passed to installing plate 2 by forcing press top shoe, installing plate 2 moves downward and is used on each nitrogen spring 4 by masterpiece, and each nitrogen spring 4 is stressed is just produced reaction force acts on patrix by compression generation stroke, forces patrix to move downward stamped workpieces.Now manometric reading starts to become large, and the pressure curve (as Fig. 4) that the reading of each nitrogen spring 4 and compression travel press nitrogen spring changes, from active force and the reaction force principle of power, stamped workpieces needs great power just to need nitrogen spring 4 to transmit great power on patrix, and this will make the stroke of top shoe compressed nitrogen spring 4 corresponding proportion of forcing press; When the stamping press needed for mould is larger, the stroke of each nitrogen spring 4 is also larger, and the total indicator reading of Pressure gauge 3 is also larger.
Press down in process at whole mould, the reading change of Pressure gauge 3 is recorded with picture pick-up device, find out the maximum of reading in this process, the pressure of a nitrogen spring 4 is calculated according to the pressure curve of nitrogen spring 4, be multiplied by the total quantity quantity (in present embodiment, total quantity is 8) of nitrogen spring 4 again, namely obtain the maximum stamping press needed for mold stamping tool.
This device is by the ingenious combination with forcing press and mould, on common compact forcing press, the pressure needed for mould punching has been measured accurately by a simple method, not only for the feasibility of checking large mold scheme provides possibility, but also the difference of empirical equation and actual production can be contrasted, provide foundation for making better design.This measuring method, not only structure is simple, and cost drops into little, and result of the test is accurate, with a high credibility.
Above-mentioned embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (7)
1., for a device for stamping press needed for Measurement die, it is characterized in that, comprise die shank (1), installing plate (2), Pressure gauge (3) and nitrogen spring (4); The lower end of described die shank (1) is fixed on the upper surface of described installing plate (2), and the upper end of described die shank (1) is fixedly connected with the top shoe of forcing press; Described installing plate (2) is fixedly connected with the cope match-plate pattern of mould, and described Pressure gauge is fixed on described installing plate (2); Described nitrogen spring (4) is arranged between described installing plate (2) and described cope match-plate pattern, and the upper end of described nitrogen spring (4) is fixed on the lower surface of described installing plate (2), and the lower surface of described nitrogen spring (4) effectively contacts with described cope match-plate pattern; Described nitrogen spring (4) is communicated with described Pressure gauge (3) by pipeline (5).
2. the device for stamping press needed for Measurement die according to claim 1, it is characterized in that, described nitrogen spring (4) is at least two, and is interconnected after being connected by many described pipelines (5) head and the tail between each described nitrogen spring (4).
3. the device for stamping press needed for Measurement die according to claim 2, is characterized in that, is connected between many described pipelines (5) head and the tail by cylinder connector (6).
4. the device for stamping press needed for Measurement die according to any one of claim 1 to 3, is characterized in that, the lower end of described die shank (1) is fixed on the upper surface of described installing plate (2) by the mode excessively coordinated.
5. the device for stamping press needed for Measurement die according to any one of claim 1 to 3, the upper end of described nitrogen spring (4) is threaded connection the lower surface being fixed on described installing plate (2).
6. the device for stamping press needed for Measurement die according to any one of claim 1 to 3, is characterized in that, described installing plate (2) flexibly connects fixing with described upper mould by contour bolt (7).
7. the device for stamping press needed for Measurement die according to any one of claim 1 to 3, described Pressure gauge (3) is fixed on described installing plate (2) by Pressure gauge mounting blocks (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403968.3A CN104959446A (en) | 2015-07-13 | 2015-07-13 | Device for measuring stamping force needed by die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403968.3A CN104959446A (en) | 2015-07-13 | 2015-07-13 | Device for measuring stamping force needed by die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104959446A true CN104959446A (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510403968.3A Pending CN104959446A (en) | 2015-07-13 | 2015-07-13 | Device for measuring stamping force needed by die |
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| Country | Link |
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| CN (1) | CN104959446A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175101A (en) * | 2018-06-22 | 2019-01-11 | 江西豪斯特汽车零部件有限公司 | A kind of forming of high-strength steel part and edge-cutting integrated equipment |
| CN109186854A (en) * | 2018-10-15 | 2019-01-11 | 四川欣悦精工科技有限公司 | A kind of nitrogen gas spring air pressure automatic monitoring alarm system |
| CN111601981A (en) * | 2018-04-26 | 2020-08-28 | 菲博罗有限公司 | Monitoring sensor with safety function for evacuating gas-filled spring by radio |
| CN111721562A (en) * | 2020-06-05 | 2020-09-29 | 扬力集团股份有限公司 | Energy testing device for press |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0740968A1 (en) * | 1995-05-01 | 1996-11-06 | Toyota Jidosha Kabushiki Kaisha | Pressing method and system wherein cushion pin load is detected by load detector for diagnosis for even distribution of blank holding force |
| CN203231901U (en) * | 2013-05-03 | 2013-10-09 | 广东锻压机床厂有限公司 | Function test device of press |
| CN203670360U (en) * | 2014-01-09 | 2014-06-25 | 济南铸造锻压机械研究所有限公司 | Swiveling head pressure machine hydraulic system reliability testing platform |
| CN104324979A (en) * | 2014-09-04 | 2015-02-04 | 宁波澳玛特高精冲压机床股份有限公司 | Stamping test apparatus of punch |
| CN204892667U (en) * | 2015-07-13 | 2015-12-23 | 上海凌云汽车模具有限公司 | A device that is used for measuring required stamping press of mould |
-
2015
- 2015-07-13 CN CN201510403968.3A patent/CN104959446A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0740968A1 (en) * | 1995-05-01 | 1996-11-06 | Toyota Jidosha Kabushiki Kaisha | Pressing method and system wherein cushion pin load is detected by load detector for diagnosis for even distribution of blank holding force |
| CN203231901U (en) * | 2013-05-03 | 2013-10-09 | 广东锻压机床厂有限公司 | Function test device of press |
| CN203670360U (en) * | 2014-01-09 | 2014-06-25 | 济南铸造锻压机械研究所有限公司 | Swiveling head pressure machine hydraulic system reliability testing platform |
| CN104324979A (en) * | 2014-09-04 | 2015-02-04 | 宁波澳玛特高精冲压机床股份有限公司 | Stamping test apparatus of punch |
| CN204892667U (en) * | 2015-07-13 | 2015-12-23 | 上海凌云汽车模具有限公司 | A device that is used for measuring required stamping press of mould |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111601981A (en) * | 2018-04-26 | 2020-08-28 | 菲博罗有限公司 | Monitoring sensor with safety function for evacuating gas-filled spring by radio |
| CN109175101A (en) * | 2018-06-22 | 2019-01-11 | 江西豪斯特汽车零部件有限公司 | A kind of forming of high-strength steel part and edge-cutting integrated equipment |
| CN109186854A (en) * | 2018-10-15 | 2019-01-11 | 四川欣悦精工科技有限公司 | A kind of nitrogen gas spring air pressure automatic monitoring alarm system |
| 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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Application publication date: 20151007 |
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| WD01 | Invention patent application deemed withdrawn after publication |