CN212385617U - Hot punching and cutting hardware die - Google Patents
Hot punching and cutting hardware die Download PDFInfo
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- CN212385617U CN212385617U CN202020393767.6U CN202020393767U CN212385617U CN 212385617 U CN212385617 U CN 212385617U CN 202020393767 U CN202020393767 U CN 202020393767U CN 212385617 U CN212385617 U CN 212385617U
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- knife
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- 238000005520 cutting process Methods 0.000 title claims description 29
- 238000004080 punching Methods 0.000 title abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 238000005530 etching Methods 0.000 claims abstract description 50
- 229910000828 alnico Inorganic materials 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to a hot punching hardware mould, which comprises a mould upper plate and a mould lower plate, wherein an etching knife is arranged on the mould upper plate; a heating mechanism for heating the etching knife is arranged on the upper plate of the mould; the heating mechanism comprises a heater arranged at the bottom of the groove and a heating spring fixedly connected with the heater, the heater is electrified for the heating spring, and the free end of the heating spring extends out of the notch of the groove; after the etching knife is arranged on the upper plate of the die, the knife plate of the etching knife is in abutting connection with the free end of the spring. Compared with the prior art, the utility model has the advantages of product machining precision is high, product appearance does not have the impression or takes out the silk etc.
Description
Technical Field
The utility model relates to a general hardware mould is cut to hot punching especially relates to a hardware mould is cut to hot punching.
Background
In the die cutting process, a general hardware die is necessary, an etching knife is usually installed on a die upper plate of the hardware die, then the hardware die is installed on a die cutting machine, the die is driven by the die cutting machine to be matched, and a blade of the etching knife punches a material belt to obtain a product with a specific outline, but in the current punching process, the knife die is easy to generate bad phenomena such as broken filaments, silking and the like when punching materials of a woven fabric type, and the existing process solves the problem that the broken filaments are drawn by changing the knife die or increasing the tolerance of a client, but the tolerance is impossible to increase for a high-precision product; and the oblique plane can be generated when the foam type material is punched, and the cutter die is zoomed when the problem of the oblique plane of the foam is solved, so that the error of the oblique plane is within the tolerance range, but the oblique plane is not solved fundamentally; as shown in fig. 5, when a product is punched by a common cutting die, the product is pressed downward by the cutting die, and materials at different levels are pressed differently, so that the edge of the product after being punched out is deformed to form an impression, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hot punching and cutting hardware mould for overcoming the defects of large error, bad product appearance, oblique plane generation and the like in the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a hot stamping and cutting hardware die comprises a die upper plate and a die lower plate, wherein an etching knife is arranged on the die upper plate; and a heating mechanism for heating the etching knife is arranged on the upper plate of the mould.
The utility model discloses increased a heating mechanism on hardware mould, utilized the thermal conductivity heating cutting die of metal, formed a hot die cutting technology, because the blade point position to the etching sword is in the positive centre of cutting board (the etching sword generally includes the cutting board and locates the blade point on the cutting board), so the heat transfer rate of blade point is faster, the blade point temperature risees, cut the material more easily, the blade point need not excessively press the material can cut the material, the machining precision is high, can not produce the inclined plane, also not have the impression to produce.
The heating mechanism comprises a heater arranged at the bottom of the groove and a heating spring fixedly connected with the heater, the heater is electrified for the heating spring, and the free end of the heating spring extends out of the notch of the groove; after the etching knife is arranged on the upper plate of the die, the knife plate of the etching knife is in abutting connection with the free end of the spring.
The vertical distance between the free end of the heating spring and the plate surface of the upper plate of the die is 1-2 mm.
The utility model adopts the heating spring, and the heating spring is set to exceed 1-2mm of the hardware mould, after the etching knife is installed on the upper plate of the mould, the knife plate of the etching knife can press the spring into the groove, so that the etching knife can be fully contacted with the spring, the heat conduction effect is good, in addition, because the heating wire is of the spring structure, the length of the heating wire is variable, and the installation between the etching knife and the hardware mould can not be influenced; if the hard heating wire is adopted, the hard heating wire cannot be in contact with the etching knife board, if the hard heating wire is too long, the etching knife cannot be installed on the upper board of the die, and if the hard heating wire is too short, the heating wire is not in contact with the etching knife, so that the heat conduction effect is poor.
The heating mechanism further comprises a power supply wire connected with the heater, and a power supply wire installation channel communicated with the groove is formed in the upper plate of the mold.
Generally, adopt external power source to supply power for the heater, be connected through power supply wire and power and temperature controller on with the board, can adjust the temperature of heater through adjusting temperature controller, set up different temperatures according to different materials, improve the application scope of device.
The heating mechanism further comprises a fixing block arranged in the groove, and a mounting hole for mounting the heating spring is formed in the fixing block.
The fixed block is a ceramic block.
The gaps of each heating spring are filled with ceramics, so that heat can be conducted to the etching knife as far as possible, and energy is saved; meanwhile, the heating spring can only stretch out and draw back without deviation, and the heating spring can be fully contacted with the etching knife.
The heating mechanism is positioned in the middle of the knife plate of the etching knife.
The upper plate of the mould is provided with a magnet block, and the etching knife is adsorbed and fixed on the surface of the upper plate of the mould through the magnet block.
The magnet piece is alnico magnet piece, heating spring's heating temperature is 0 ~ 200 ℃.
The temperature of the blade of the etching knife is the melting point temperature of the material to be punched or slightly lower than the melting point temperature.
The temperature is adjusted to be between 0 and 200 ℃, the temperature does not influence the magnetism of the magnet (the alnico magnet can be demagnetized when the temperature exceeds 600 ℃), and the installation reliability of the etching knife is ensured.
The four magnet blocks are respectively positioned at four right angles of a rectangle.
The utility model discloses a device is when the material of die-cut different grade type, and the temperature of adjusting the heater heats the cutting die, makes the temperature of cutting die just reach and can melt the required critical temperature of material (or be slightly less than this critical temperature). The product punched and cut in this way can not generate the edge pasting, can not generate deformation due to the extrusion of the cutting die, and can not generate broken filaments in the weaving type material.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the hot punching hardware mould of the utility model forms a hot punching process, reduces the difficulty of cutting off materials by the blade of the etching knife, and can not extrude the surface of the materials when punching the materials, so that the punched products can not be imprinted and extruded and deformed in the punching process, thereby ensuring the processing precision;
(2) the utility model discloses a hot punching hardware mould can not produce broken filament or take out the silk at die-cut edge when the die-cut material of weaving the type.
Drawings
Fig. 1 is a schematic front view of the upper plate of the middle mold of the present invention;
fig. 2 is a schematic bottom view of the upper plate of the middle mold of the present invention;
FIG. 3 is a schematic view of the punching effect of the present invention;
FIG. 4 is a schematic front view of a mold top plate according to the prior art;
FIG. 5 is a schematic bottom view of a prior art upper plate of a mold;
FIG. 6 is a schematic diagram of the punching effect of a die using the prior art;
FIG. 7 is a schematic structural view of a hardware mold;
in the figure, 1 is a die upper plate, 2 is a die lower plate, 3 is a guide post, 4 is an insert post, 5 is a punch pin mounting hole, 6 is a plate surface of the die upper plate, 7 is an alnico magnet block, 8 is a heater, 9 is a ceramic block, 10 is a heating spring, 11 is a power supply lead, 12 is an edge notch, 13 blades, 14 is deformation, 15 is an etching knife mounting position, and 16 is a common magnet block.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
A hot-stamping hardware die, as shown in FIG. 7, comprises an upper die plate 1 and a lower die plate 2, wherein etching knives are mounted on the upper die plate 1 at etching knife mounting positions 15. In this embodiment, the upper die plate 1 is provided with a guide post 3 for guiding the die assembly, a magnet block for mounting an etching blade, a sleeve punch hole for mounting a punch pin, and an insert post 4 for positioning an etching blade, and a heating mechanism for heating the etching blade, thereby forming a thermal punching process.
As shown in fig. 1, a groove for installing a heating mechanism is arranged on the plate surface 6 of the upper plate of the mold, and when the etching knife is installed on the upper plate 1 of the mold, the heating mechanism is positioned in the middle of the knife plate of the etching knife; the heating mechanism comprises a heater 8 arranged at the bottom of the groove, a heating spring 10 fixedly connected with the heater 8, a ceramic block 9 arranged in the groove and a power supply lead 11 connected with the heater 8; a mounting hole for mounting a heating spring 10 is formed in the fixing block, the heating spring is mounted in the mounting hole in a matching manner, a power supply lead 11 mounting channel communicated with the groove is formed in the upper plate 1 of the mold, the power supply lead 11 is connected with a power supply and a temperature controller on the machine table, the power supply supplies power to the heater 8 through the power supply lead 11, the heater 8 is used for electrifying the heating spring 10, and the heating spring 10 generates heat; the free end of the heating spring 10 extends out of the notch of the groove; after the etching knife is arranged on the upper plate 1 of the die, the knife plate of the etching knife is in abutting connection with the free end of the spring, and under the condition that the etching knife is not arranged, the vertical distance between the free end of the heating spring 10 and the plate surface 6 of the upper plate of the die is 2 mm. As shown in fig. 2, an alnico magnet block 7 is provided on the mold upper plate 1, and the etching blade is fixed to the surface of the mold upper plate 1 by the alnico magnet block 7. Four alnico magnet blocks 7 are arranged and are respectively positioned at four right angles of a rectangle; the heating temperature of the heating spring 10 is adjusted within a range of 0-200 ℃. The heating spring in the embodiment belongs to the existing structure and can be directly purchased.
The utility model discloses a use does: the temperature of the heater is adjusted to enable the heating spring to heat the cutting die, so that the temperature of the cutting die just reaches the critical temperature (or is slightly lower than the critical temperature) required by melting materials. The punched product can not generate the edge pasting, can not generate the deformation due to the extrusion of the cutting die, and can not generate broken filaments in the weaving type material; as shown in fig. 3, the edge cuts 12 created when the blade 13 punches through the multi-layer foam material are neat.
This embodiment is owing to installed heating element additional in the five metals mould, so fine solution cross cutting process product anomaly problem, because the blade edge position of cutting die is in the positive centre of cutting board, so the heat transfer rate of blade edge is faster, the higher material that cuts off easily of blade edge temperature, owing to changed into alnico magnet with ordinary magnet, so this temperature can not exert an influence to magnet magnetism, because heating spring surpasss five metals mould 1-2mm, so the cutting die can fully contact with the spring, because the heating wire is the spring structure of adoption, so can not influence the absorption between the magnet on cutting die and the five metals mould.
Example 2
A hot punching hardware die is the same as the main body of the embodiment 1 in structure, and is different in that after an etching knife is installed on a die upper plate 1 in the embodiment, a knife plate of the etching knife is in abutting connection with a free end of a spring, and under the condition that the etching knife is not installed, the vertical distance between the free end of a heating spring 10 and a plate surface 6 of the die upper plate is 1 mm.
Comparative example
The comparative example is a conventional die-cut hardware die, and includes an upper die plate 1 and a lower die plate 2, as shown in fig. 7, with an etching blade mounted on the upper die plate 1.
As shown in fig. 4 and 5, the conventional upper mold plate 1 is a common upper mold plate, and includes guide posts 3 for guiding mold clamping and a magnet block 16 for mounting an etching blade. A sleeve punch hole for mounting a punch pin and an insert post 4 for positioning an etching knife. When punching is carried out using the known apparatus, it has been found that the material is pressed by the blade 13 to produce deformations 14, which deformations 14 result in an unsatisfactory machining accuracy and in an imprint, as shown in fig. 6.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A hot stamping hardware die comprises an upper die plate (1) and a lower die plate (2), wherein an etching knife is arranged on the upper die plate (1); the device is characterized in that a heating mechanism for heating the etching knife is arranged on the upper die plate (1).
2. The hot stamping and cutting hardware die as claimed in claim 1, wherein a groove for mounting the heating mechanism is formed in the die upper plate (1), the heating mechanism comprises a heater (8) arranged at the bottom of the groove and a heating spring (10) fixedly connected with the heater (8), the heater (8) energizes the heating spring (10), and the free end of the heating spring (10) extends out of the notch of the groove; after the etching knife is arranged on the die upper plate (1), the knife plate of the etching knife is in abutting connection with the free end of the spring.
3. A hot-stamping hardware die according to claim 2, characterized in that the perpendicular distance between the free end of the heating spring (10) and the face of the die upper plate (1) is 1-2 mm.
4. The hot stamping and cutting hardware die as claimed in claim 2, wherein the heating mechanism further comprises a power supply wire (11) connected with the heater (8), and a power supply wire (11) installation channel communicated with the groove is arranged on the die upper plate (1).
5. The hot stamping and cutting hardware die as claimed in claim 2, wherein the heating mechanism further comprises a fixing block arranged in the groove, and a mounting hole for mounting the heating spring (10) is arranged in the fixing block.
6. A hot-stamping hardware die according to claim 5, characterised in that the fixing block is a ceramic block (9).
7. The hot-stamping hardware die of claim 1, wherein the heating mechanism is located at the very middle of the knife plate of the etching knife.
8. A hot-stamping hardware die as claimed in claim 2, wherein the upper die plate (1) is provided with a magnet block, and the etching knife is fixed on the surface of the upper die plate (1) through the magnet block in an adsorption manner.
9. A hot-stamping hardware mould as claimed in claim 8, wherein the magnet block is an AlNiCo magnet block (7) and the heating temperature of the heating spring (10) is 0-200 ℃.
10. The die of claim 8, wherein there are four magnet blocks, each at four corners of a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393767.6U CN212385617U (en) | 2020-03-25 | 2020-03-25 | Hot punching and cutting hardware die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393767.6U CN212385617U (en) | 2020-03-25 | 2020-03-25 | Hot punching and cutting hardware die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212385617U true CN212385617U (en) | 2021-01-22 |
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ID=74257863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020393767.6U Active CN212385617U (en) | 2020-03-25 | 2020-03-25 | Hot punching and cutting hardware die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212385617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442231A (en) * | 2020-03-25 | 2021-09-28 | 昊佰电子科技（上海）有限公司 | Hot punching and cutting hardware die |
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2020
- 2020-03-25 CN CN202020393767.6U patent/CN212385617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442231A (en) * | 2020-03-25 | 2021-09-28 | 昊佰电子科技（上海）有限公司 | Hot punching and cutting hardware die |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Patentee after: Shanghai Haobai Zhizao Precision Electronics Co.,Ltd. Address before: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Patentee before: HOPINES ELECTRONIC TECHNOLOGY (SHANGHAI) Co.,Ltd. |