CN217981205U - Mould management face precision detection device - Google Patents
Mould management face precision detection device Download PDFInfo
- Publication number
- CN217981205U CN217981205U CN202222129477.2U CN202222129477U CN217981205U CN 217981205 U CN217981205 U CN 217981205U CN 202222129477 U CN202222129477 U CN 202222129477U CN 217981205 U CN217981205 U CN 217981205U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure sensing
- die
- paper
- management surface
- 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.)
- Active
Links
Images
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a die management surface precision detection device, which comprises an upper die, a lower die and a pressure sensing assembly, wherein a blank holder is arranged around the lower die, and a gap for placing a plate is formed between the upper die and the lower die and the blank holder when the upper die and the lower die are assembled; the blank holder is sequentially provided with a management surface, a draw bead groove and a quasi-management surface from inside to outside, draw beads are arranged at positions of the upper die corresponding to the draw bead grooves, and the size of a gap between the management surface and the upper die is the same as the thickness of the plate; the pressure sensing assembly comprises a first pressure sensing paper and a second pressure sensing paper, and the first sensing pressure of the first pressure sensing paper is smaller than the second sensing pressure of the second pressure sensing paper; the first pressure sensing paper and the second pressure sensing paper are respectively arranged in the gap when the mold is closed twice. The utility model discloses a pressure sensing paper supports tightly to form the sign vestige with the management face, and management face precision is judged to the rethread sign vestige, and the sign vestige display effect of pressure sensing paper is obvious, and the accessible sign vestige sets up unified standard and judges the management face precision.
Description
Technical Field
The utility model relates to a punching press technology technical field especially relates to a mould management face precision detection device.
Background
In addition to conventional quality management, plate dark cracking management is a key point in the stamping process, and factors influencing plate dark cracking are very many, wherein the accuracy of a management surface of a die has an important influence on plate dark cracking.
The existing management surface precision test has the problems that the display effect is not obvious and the unified judgment standard is not available because red lead is coated on an upper die or a plate and the precision of the management surface is determined through the distribution of the red lead after stamping.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mould management face precision detection device aims at solving the problem that current management face precision test display effect is not obvious, do not have unified judgement standard.
In order to achieve the purpose, the utility model provides a die management surface precision detection device, which comprises an upper die, a lower die and a pressure sensing assembly, wherein a blank holder is arranged on the periphery of the lower die, and a gap for placing a plate is formed between the upper die and the lower die and the blank holder when the upper die and the lower die are assembled;
the blank holder is sequentially provided with a management surface, a draw bead groove and a quasi-management surface from inside to outside, draw beads are arranged at positions of the upper die corresponding to the draw bead groove, and the size of a gap between the management surface and the upper die is the same as the thickness of the plate;
the pressure sensing assembly comprises a first pressure sensing paper and a second pressure sensing paper, and the first sensing pressure of the first pressure sensing paper is smaller than the second sensing pressure of the second pressure sensing paper;
the first pressure sensing paper and the second pressure sensing paper are used for being placed in the gaps when the upper die and the lower die are closed twice, so that the first pressure sensing paper forms identification marks at positions corresponding to the management surfaces under the abutting action of the upper die and the blank holder, wherein the closing pressure of the closing twice is consistent and is N, the first induction pressure is N1, the second induction pressure is N2, and N1 is not less than N and is less than N2.
Preferably, the gap size between the draw bead and the draw bead groove is A, the thickness of the plate is H, A-H =0.5mm, the gap size between the quasi-management surface and the upper die is B, and 0.1mm and B-H <0.3mm.
Preferably, the gap between the upper die and the lower die is C, C-H <10mm.
Preferably, the marking trace is a colored marking line.
Preferably, the first pressure-sensing paper and the second pressure-sensing paper are wrapped on the periphery of the lower die and are laid on the upper surface of the blank holder.
Preferably, each of the first pressure-sensitive paper and the second pressure-sensitive paper includes a color-developing layer and a color-producing layer stacked on each other, the color-developing layer is in contact with the upper mold, and the color-producing layer is in contact with the management surface.
Preferably, the shape of the draw bead is matched with that of the draw bead groove.
Preferably, the corners of the draw bead and the draw bead groove are smooth arc-shaped corners.
Preferably, a lifting driving part is arranged at the bottom of the blank holder and used for jacking the blank holder and enabling the first pressure sensing paper or the second pressure sensing paper to be tightly abutted to the upper die.
The technical scheme of the utility model, go up mould and the management face department butt of blank holder when mould and lower mould compound die, put into first pressure sensing paper and second pressure sensing paper at the upper surface of blank holder respectively at the in-process of twice compound die, first pressure sensing paper and second pressure sensing paper all support tightly with the management face with last mould at the in-process of twice compound die, because the induction pressure of first pressure sensing paper is little, easily produce the sign vestige when the pressurized, the induction pressure of second pressure sensing paper is big, can not produce the sign vestige when the pressurized, consequently at twice testing process, the precision of management face is judged to the sign vestige through first pressure sensing paper, the second pressure sensing paper should not produce the sign vestige simultaneously, if the second pressure sensing paper produces the sign vestige, then there is the hard spot on the management face of representing, the precision is not enough. Through the design that the first pressure sensing paper and the second pressure sensing paper respectively measure the precision of the management surface, the display effect of the identification traces of the pressure sensing paper is obvious, and the management surface precision can be judged by setting a unified standard through the identification traces.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a device for detecting precision of a mold management surface according to an embodiment of the present invention;
fig. 2 is a top view of the lower mold and the blank holder of the device for detecting the accuracy of the mold management surface according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a pressure sensing assembly of the device for detecting the accuracy of the mold management surface according to an embodiment of the present invention.
The reference numbers illustrate:
the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the present embodiment are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1 and 2, the present invention provides a precision detecting apparatus 1 for a mold management surface 22, which comprises an upper mold 10, a lower mold 20 and a pressure sensing assembly 30, wherein a blank holder 21 is arranged around the lower mold 20, and a gap for placing a sheet material is formed between the upper mold 10 and the lower mold 20 and between the blank holder 21 when the upper mold 10 and the lower mold 20 are assembled; the blank holder 21 is sequentially provided with a management surface 22, a draw bead groove 23 and a quasi-management surface 24 from inside to outside, a draw bead 11 is arranged at the position of the upper die 10 corresponding to the draw bead groove 23, and the size of a gap between the management surface 22 and the upper die 10 is the same as the thickness of the plate; the pressure sensing assembly 30 comprises a first pressure sensing paper and a second pressure sensing paper, and the first sensing pressure of the first pressure sensing paper is smaller than the second sensing pressure of the second pressure sensing paper; the first pressure sensing paper and the second pressure sensing paper are respectively placed in the gap and located below the plate when the upper die 10 and the lower die 20 are subjected to twice die assembly, so that the first pressure sensing paper forms an identification mark at a position corresponding to the management surface 22 under the abutting action of the upper die 10 and the blank holder 21, wherein the die assembly pressure of the twice die assembly is consistent and is N, the first sensing pressure is N1, the second sensing pressure is N2, and N is not less than N1 and is less than N2.
The lower die 20 and the blank holder 21 are arranged below the upper die 10, the upper surface of the blank holder 21 is sequentially provided with a management surface 22, a drawing rib groove 23 and a quasi-management surface 24, no plate is placed in a testing stage, when the die is closed, the upper die 10 is abutted against the management surface 22, a first pressure sensing paper is arranged between the upper die 10 and the blank holder 21, the management surface 22 is abutted against the first pressure sensing paper, as the die closing pressure N is greater than the first sensing pressure N1, a mark trace is generated on the first pressure sensing paper by pressing, an operator can judge the surface accuracy of the management surface 22 through the mark trace, then place a second pressure sensing paper between the upper die 10 and the blank holder 21, as the second sensing pressure N2 is greater than the die closing pressure N, if the surface accuracy of the management surface 22 is qualified, the second pressure sensing paper cannot generate the mark trace, if the mark trace occurs on the second pressure sensing paper, the position of the management surface 22 corresponding to the mark trace has a hard point, and the management surface 22 needs to be repaired.
The technical scheme of the utility model, panel is not put into in the test phase, consequently, when going up mould 10 and lower mould 20 compound die, go up mould 10 and the management face 22 butt of blank holder 21, at the in-process of twice compound die respectively at the first pressure-sensitive paper of upper surface and the second pressure-sensitive paper of blank holder 21, first pressure-sensitive paper and second pressure-sensitive paper all support tightly with management face 22 and last mould 10 at the in-process of twice compound die, because the induction pressure of first pressure-sensitive paper is little, easily produce the sign vestige when the pressurized, the induction pressure of second pressure-sensitive paper is big, can not produce the sign vestige when the pressurized, consequently in twice testing process, judge the precision of management face 22 through the sign vestige of first pressure-sensitive paper, the second pressure-sensitive paper should not produce the sign vestige simultaneously, if the second pressure-sensitive paper produces the sign vestige, then there is the hard spot on the management face 22 for representing, the precision is not enough. Through the design that the first pressure sensing paper and the second pressure sensing paper respectively measure the precision of the management surface 22, the display effect of the identification traces of the pressure sensing paper is obvious, and the precision of the management surface 22 can be judged by setting a unified standard through the identification traces.
In one embodiment, the dimension of the gap between the draw bead 11 and the draw bead groove 23 is A, the thickness of the plate material is H, A-H =0.5mm, the dimension of the gap between the quasi-management surface 24 and the upper die 10 is B, and the 0.1mm-B-H <0.3mm. The gap between the draw bead 11 and the draw bead groove 23 and the gap between the quasi-management surface 24 and the upper die 10 can ensure that the pressure sensing paper is only pressed against the management surface 22 and the plate material to generate mark marks, thereby being beneficial to more obviously identifying and judging the precision of the management surface 22.
In one embodiment, the clearance between the upper die 10 and the lower die 20 is C, C-H =10mm. The gap of 10mm is provided between the upper mold 10 and the lower mold 20 to prevent the occurrence of pressure failure of the pressure sensitive paper during mold closing and to prevent the mold from being damaged.
In one embodiment, the marking indicia are colored marking lines. The marking trace is set as a color marking line, so that the marking trace is easier to identify and distinguish, and the precision identification of the management surface 22 is easier.
In one embodiment, the first and second pressure-sensing rollers are wrapped around the lower mold 20 and laid on the upper surface of the blank holder 21. The first pressure-sensitive paper is wrapped around the outer periphery of the lower mold 20, i.e., at a position corresponding to the management surface 22, so that the first pressure-sensitive paper generates a mark only on the management surface 22, thereby preventing the mark from excessively affecting the determination.
In one embodiment, each of the first and second pressure-sensitive rollers includes a color-developing layer 31 and a color-producing layer 32, which are laminated, the color-developing layer 31 is in contact with the upper mold 10, and the color-producing layer 32 is in contact with the management surface 22. The color development layer 31 comprises a color development substance, the color development layer 32 is provided with a microcapsule 33, the microcapsule 33 is wrapped with the color development substance, the microcapsule 33 is broken when being pressed, the color development substance overflows and reacts with the color development substance to generate a mark, and the induction pressure of the first pressure sensing paper and the second pressure sensing paper is changed by changing the strength of the microcapsule 33. Preferably, the first sensing paper and the second sensing paper may use fuji pressure sensitive film.
In one embodiment, the shape of the bead 11 is adapted to the shape of the bead slot 23. Furthermore, the corners of the draw bead 11 and the draw bead groove 23 are smooth arc-shaped corners. The shape of the draw bead 11 and the draw bead groove 23 is suitable for enabling the draw bead 11 to extend into the draw bead groove 23, and the corner is a smooth arc-shaped corner which plays a role in guiding when extending into the draw bead groove, so that butt joint is easier.
In one embodiment, a lifting driving member is disposed at the bottom of the blank holder 21 for lifting the blank holder 21 and making the first pressure-sensing paper or the second pressure-sensing paper abut against the upper mold 10. Through the tight blank holder 21 of lift driving piece top, prevent that blank holder 21 pressurized from sinking when the compound die, lead to first sense pressure paper can't form the sign vestige.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. The device for detecting the precision of the management surface of the die is characterized by comprising an upper die, a lower die and a pressure sensing assembly, wherein a blank holder is arranged on the periphery of the lower die;
the blank holder is sequentially provided with a management surface, a draw bead groove and a quasi-management surface from inside to outside, the upper die is provided with a draw bead at a position corresponding to the draw bead groove, and the size of a gap between the management surface and the upper die is the same as the thickness of the plate;
the pressure sensing assembly comprises a first pressure sensing paper and a second pressure sensing paper, and the first sensing pressure of the first pressure sensing paper is smaller than the second sensing pressure of the second pressure sensing paper;
the first pressure sensing paper and the second pressure sensing paper are respectively placed in the gap when the upper die and the lower die are subjected to twice die assembly, so that the first pressure sensing paper forms identification marks at positions corresponding to the management surface under the abutting action of the upper die and the blank holder, wherein the die assembly pressure of the twice die assembly is consistent and is N, the first sensing pressure is N1, the second sensing pressure is N2, and N is not less than N1 and is less than N2.
2. The apparatus for detecting the accuracy of a management surface of a die as set forth in claim 1, wherein the dimension of the gap between the draw bead and the draw bead groove is a, the thickness of the plate material is H, a-H =0.5mm, the dimension of the gap between the quasi-management surface and the upper die is B, and 0.1mm < -B-H <0.3mm.
3. The apparatus for detecting the accuracy of a mold management surface according to claim 2, wherein the clearance between the upper mold and the lower mold is C, C-H <10mm.
4. The apparatus for detecting the accuracy of a mold management surface according to claim 1, wherein the mark is a colored mark line.
5. The apparatus for detecting the accuracy of a mold management surface according to claim 1, wherein the first pressure-sensitive paper and the second pressure-sensitive paper are wrapped around the outer periphery of the lower mold and laid on the upper surface of the blank holder.
6. The apparatus for detecting the accuracy of a mold management surface according to any one of claims 1 to 5, wherein each of the first pressure-sensitive paper and the second pressure-sensitive paper comprises a color development layer and a color generation layer, which are laminated, the color development layer abutting on the upper mold, and the color generation layer abutting on the management surface.
7. The die management surface accuracy detecting device according to any one of claims 1 to 5, wherein a shape of the draw bead is fitted to a shape of the draw bead groove.
8. The apparatus of claim 7, wherein the corners of the draw bead and the draw bead slot are smooth arcuate corners.
9. The apparatus for detecting the accuracy of a mold management surface according to any one of claims 1 to 5, wherein a lifting drive member is provided at the bottom of the blank holder for lifting the blank holder and causing the first or second pressure-sensitive sheet to abut against the upper mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129477.2U CN217981205U (en) | 2022-08-11 | 2022-08-11 | Mould management face precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129477.2U CN217981205U (en) | 2022-08-11 | 2022-08-11 | Mould management face precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217981205U true CN217981205U (en) | 2022-12-06 |
Family
ID=84258761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222129477.2U Active CN217981205U (en) | 2022-08-11 | 2022-08-11 | Mould management face precision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217981205U (en) |
-
2022
- 2022-08-11 CN CN202222129477.2U patent/CN217981205U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5857062B2 (en) | Composite emergency repair template tool and method | |
| CN203502701U (en) | Substrate and mask panel | |
| US7914008B2 (en) | Metal gasket and mis-assembly detection method of metal gasket | |
| CN217981205U (en) | Mould management face precision detection device | |
| EP4156317A1 (en) | Roll map for electrode coating process, roll map creation method, and roll map creation system | |
| CN202805823U (en) | Color plastic pressure diaphragm | |
| JP5414551B2 (en) | Labeling method and electronic device | |
| CN201083576Y (en) | Pressure-sensitive paper protector | |
| EP4276803A1 (en) | Both side-recognizable label for identifying defective portion of electrode for secondary battery and manufacturing method therefor | |
| CN106524882B (en) | A kind of press flatness test method | |
| JP2011098443A (en) | Mold roll for shaped film and method for manufacturing the shaped film using the same | |
| CN215676766U (en) | Casting machining surface defect size inspection tool | |
| CN203629562U (en) | Detection plate used for detecting flatness of pressing machine | |
| CN112654136A (en) | Reinforcement deviation detection plate and detection method of flexible circuit board | |
| CN216745814U (en) | Auxiliary tool for checking size of white automobile body | |
| CN111637987A (en) | Device and method for testing temperature uniformity of press at low cost | |
| US7032534B1 (en) | Article for use against backgrounds of various colors and method of manufacture | |
| CN108413888A (en) | A kind of speckle overlay film for strain measurement | |
| CN111037996A (en) | Printing error-proofing method | |
| CN212727531U (en) | Double-sided film alignment inspection marking structure of flexible circuit board | |
| CN215414136U (en) | Pressure measurement color development piece and pressure test system | |
| CN218847086U (en) | Quick size detection device and detection system | |
| CN216791246U (en) | Plate forming flow characterization line marking tool | |
| CN213579760U (en) | Colorimetric card for immunochromatography detection | |
| CN110615153B (en) | Electronic equipment and method for pasting film and sticker on electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |