CN112596337B - Electromagnetic hot stamping system based on infinitesimal thought and use method - Google Patents
Electromagnetic hot stamping system based on infinitesimal thought and use method Download PDFInfo
- Publication number
- CN112596337B CN112596337B CN202011584480.2A CN202011584480A CN112596337B CN 112596337 B CN112596337 B CN 112596337B CN 202011584480 A CN202011584480 A CN 202011584480A CN 112596337 B CN112596337 B CN 112596337B
- Authority
- CN
- China
- Prior art keywords
- infinitesimal
- electromagnetic
- support
- pressure head
- base
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses an electromagnetic hot stamping system based on a infinitesimal thought and a using method thereof, which solve the problem that hot stamping equipment in the prior art cannot stamp a special-shaped curved surface, have the beneficial effects of wide application range, realization of complex curved surface stamping and reduction of energy consumption, and have the following specific schemes: an electromagnetic hot stamping system based on a infinitesimal thought comprises a base, wherein the base is provided with a heating plate, and the heating plate is provided with an electromagnetic heating unit; the support, the support passes through the base and supports, and the support inboard sets up a plurality of infinitesimal pressure heads, and two adjacent infinitesimal pressure heads interval sets for the distance setting or two adjacent infinitesimal pressure heads can contact the setting, and each infinitesimal pressure head is connected with the support top through the telescopic link respectively, and every infinitesimal pressure head is inside or the top sets up respectively can with electromagnetic heating unit complex magnet, magnet and electromagnetic heating unit one-to-one.
Description
Technical Field
The invention relates to the technical field of imprinting, in particular to an electromagnetic hot-embossing system based on a infinitesimal thought and a using method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The manufacturing core of integrated circuit (integrated circuit) original parts, integrated optical communication technology, biological detection chips and other products is to process micro-nano scale patterns on a substrate.
Currently, ultraviolet nanoimprinting and thermal nanoimprinting are widely used. However, the existing nanoimprint system mostly adopts an integral pressure head, only plane imprinting can be performed, and Gaussian distribution of pressure from the central position to the edge exists, so that not only can the micro-nano imprinting on the surface of a complex curved surface be performed.
Therefore, the inventor finds that the current hot-stamping equipment cannot precisely stamp the micro-nano structure array on the special-shaped curved surface, cannot process a plane and various special-shaped curved surfaces simultaneously, and even aiming at a plane workpiece, the large-area consistency is difficult to guarantee, so that the application range of the hot-stamping technology is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an electromagnetic hot stamping system based on a infinitesimal thought, so that the stamping of a complex curved surface is realized, and the uniform distribution of pressure from the central position to the edge can be realized.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an electromagnetic hot stamping system based on a micro element idea, comprising:
the heating device comprises a base, a heating plate and a heating device, wherein the base is provided with the heating plate, and the heating plate is provided with an electromagnetic heating unit;
the support, the support passes through the base and supports, and the support inboard sets up a plurality of infinitesimal pressure heads, and two adjacent infinitesimal pressure heads interval sets for the distance setting or two adjacent infinitesimal pressure heads can contact the setting, and each infinitesimal pressure head is connected with the support top through the telescopic link respectively, and every infinitesimal pressure head is inside or the top sets up respectively can with electromagnetic heating unit complex magnet, magnet and electromagnetic heating unit one-to-one.
According to the electromagnetic hot stamping system, the electromagnetic heating unit can generate a magnetic field to adsorb or repel the magnet under the power-on condition, so that the infinitesimal pressure head moves towards a workpiece or moves in the reverse direction, and the electromagnetic heating unit can generate heat for stamping under the power-on condition; through the setting of a plurality of infinitesimal pressure heads, can work respectively, realize the hot embossing to complicated curved surface work piece, the infinitesimal pressure head of work separately moreover can effectively guarantee the effort to the work piece, guarantees the uniformity of impression large tracts of land.
According to the electromagnetic hot stamping system based on the infinitesimal thought, the plurality of infinitesimal pressing heads are arranged in multiple rows and multiple columns so as to ensure the arrangement density of the infinitesimal pressing heads and ensure the stamping effect on workpieces.
According to the electromagnetic hot stamping system based on the infinitesimal thought, in order to ensure the processing effect on the workpiece and enable the infinitesimal indenter to be better attached to the workpiece, the cross section of one side, away from the base, of the infinitesimal indenter is square, triangular or hexagonal.
According to the electromagnetic hot stamping system based on the infinitesimal thought, when the cross section of one side, away from the base, of the infinitesimal indenter is a hexagon, two adjacent rows of infinitesimal indenters are arranged in a staggered mode.
According to the electromagnetic hot stamping system based on the infinitesimal thought, one side of the infinitesimal pressure head close to the base is an arc surface, and the arc surface can be better attached to a special-shaped curved surface compared with a plane.
In the electromagnetic hot stamping system based on the infinitesimal thought, the infinitesimal indenter is of a column type in order to facilitate the installation of the magnet.
According to the electromagnetic hot stamping system based on the micro-element thought, the temperature sensor is arranged on the inner side of the support and connected with the controller or the electromagnetic relay, and the controller or the electromagnetic relay is connected with the electromagnetic heating unit;
the support sets up exhaust mechanism, and exhaust mechanism is connected with the controller, and exhaust mechanism in the support starts when temperature sensor detects the support in the high temperature, and exhaust mechanism stop operation after the temperature reduces in time dispels the heat to the support.
According to the electromagnetic hot stamping system based on the infinitesimal thought, all the telescopic rods in each row of infinitesimal pressure heads penetrate through the same supporting plate, the infinitesimal pressure heads are fixedly connected with the supporting plate, the two sides of the supporting plate respectively penetrate through the side parts of the support, the infinitesimal pressure heads can be in contact with a workpiece, and the uniform pressure distribution from the center position to the edge of the workpiece is further ensured through the arrangement of the supporting plate.
In a second aspect, the present invention further provides a method for using an electromagnetic hot stamping system based on a micro element concept, including the following steps:
arranging a workpiece on the surface of the heating plate, and arranging a die on the surface of the workpiece;
according to the size of a workpiece to be heated, an electromagnetic heating unit at a proper position is started, the electromagnetic heating unit at the corresponding position generates a magnetic field, a corresponding infinitesimal pressure head moves towards the workpiece under the action of the adsorption force of the magnetic field, and the workpiece is imprinted by a mold;
after the set time, the direction of the current of the electromagnetic heating unit is changed, so that the infinitesimal pressure head rises and returns.
The beneficial effects of the invention are as follows:
1) according to the invention, through the arrangement of the plurality of infinitesimal pressure heads, the infinitesimal pressure heads can respectively move and respectively imprint a workpiece, so that the curved surface has good fitting property, the uniformity of large-area pressure can be effectively ensured, and the pressure Gaussian distribution (large middle pressure and small edge pressure) formed by the whole pressing plate is avoided; and each infinitesimal pressure head works independently and does not influence each other, so that not only can the plane be imprinted, but also the complex curved surface can be imprinted, a plurality of workpieces can be imprinted simultaneously, and the imprinting working efficiency is improved.
2) According to the invention, through the arrangement of the electromagnetic heating unit and the electromagnet, not only can the respective control of single infinitesimal pressure heads be realized, but also heat can be generated to facilitate the smooth imprinting, and the electromagnetic heating unit effectively simplifies the power device and reduces the cost for processing complex curved surfaces; and the electromagnetic heating mode can reduce energy consumption and protect the environment.
3) The temperature sensor is arranged, so that the temperature of the electromagnetic hot-stamping system can be monitored, and the service life of the electromagnetic hot-stamping system can be effectively ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic side view of an electromagnetic hot stamping system based on a micro element concept according to an embodiment of the present invention.
Fig. 2 is a front view of an electromagnetic hot stamping system based on a micro element concept in an embodiment of the present invention.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 110. the device comprises an expansion rod, 120 micro elements of pressure heads, 130 heating plates, 140 bases, 150 workpieces, 160 supports, 170 molds and 180 supporting plates.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced in the background art, the hot stamping device in the prior art cannot stamp the special-shaped curved surface, and in order to solve the technical problem, the invention provides an electromagnetic hot stamping system based on a infinitesimal thought and a using method thereof.
Example one
In an exemplary embodiment of the present invention, an electromagnetic hot stamping system based on a micro-element concept, as shown in fig. 1 and fig. 2, includes a base 140, the base 140 is provided with a heating plate 130, and the heating plate 130 is provided with an electromagnetic heating unit; support 160, support 160 passes through the base and supports, and the support inboard sets up a plurality of infinitesimal indenters 120, and two adjacent infinitesimal indenters interval sets for the distance setting, or when all infinitesimal indenters are located same horizontal plane, two adjacent infinitesimal indenters contactable settings, and each infinitesimal indenter is connected with the support top through telescopic link 110 respectively, and inside or the top of every infinitesimal indenter sets up respectively can with electromagnetic heating unit complex magnet, magnet and electromagnetic heating unit one-to-one.
Furthermore, the longitudinal section of the support is door-shaped, and the support can be a hollow support so as to ensure the heat dissipation effect of the system.
Wherein the specific size of the micro indenter is selected for the object to be embossed, for example, for a larger workpiece such as a wing plate of an airplane, the size of the micro indenter is relatively enlarged and can be 3-5 mm; the number of the infinitesimal indenters is preferably 30-200, even more, and the method can be more suitable for imprinting of special-shaped curved surfaces; aiming at smaller workpieces, the size of each infinitesimal pressure head is relatively reduced; in addition, the support is fixedly connected with the top of the telescopic rod, so that the linear motion of the infinitesimal pressure head is ensured, and the horizontal force generated by the electromagnetic heating unit in the horizontal direction on the adjacent infinitesimal pressure head is effectively offset.
Further, in this embodiment, the plurality of micro-element pressing heads 120 are arranged in multiple rows and multiple columns to ensure the arrangement density of the micro-element pressing heads, so as to ensure the stamping effect on the workpiece.
Wherein, the side that infinitesimal pressure head 120 is close to base or heating plate is the arc surface, and the arc surface compares in the plane can with the better laminating of dysmorphism curved surface.
Certainly, the cross section of one side of the infinitesimal indenter 120, which is far away from the base, is square or hexagonal or triangular or circular, wherein the infinitesimal indenter in the shape of square and hexagonal has higher fitting degree to the workpiece, and the force is uniform, so that the infinitesimal indenter can be better fitted with the pressed workpiece.
When the cross section of one side of the infinitesimal indenter 120, which is far away from the base 140, is hexagonal, two adjacent rows of infinitesimal indenters are arranged in a staggered manner to ensure the embossing effect.
When the cross section of one side of the infinitesimal pressure head far away from the base is an equilateral triangle, the infinitesimal pressure heads of two adjacent rows are arranged in reverse.
It will be appreciated that the micro indenter 120 is either a cylindrical or plate shape, i.e., the micro indenter has a set height; preferably, to mount the magnet, in some examples, the micro-element indenter is of the column type.
In the present embodiment, referring to fig. 1, the infinitesimal indenter in fig. 1 is plate-shaped; the heating plate 130 is arranged on the base 140 through the supporting frame, a set height is arranged between the heating plate and the base, the infinitesimal pressure heads are arranged above the heating plate, the heating plate is an integral structural member, a plurality of electromagnetic heating units are arranged in the heating plate, and the electromagnetic heating units are in one-to-one correspondence with magnets arranged on the infinitesimal pressure heads to realize respective control on the infinitesimal pressure heads.
In some examples, for a partial imprinting effect, all the telescopic rods in each row of the infinitesimal pressure heads penetrate through the same support plate 180, that is, a plurality of support plates are arranged, each support plate is connected with the corresponding row of telescopic rods, the infinitesimal pressure heads are fixedly connected with the support plates 180, two sides of each support plate penetrate through the side parts of the support respectively, and the infinitesimal pressure heads drive the support plates to move in the moving process; the linkage of the row of telescopic rods is realized through the arrangement of the supporting plates, one row of telescopic rods can be one or more, the uniform distribution of pressure from the center position of the workpiece to the edge is further ensured, and the simultaneous working can be carried out under the condition that part of the electromagnetic induction heating coils are invalid.
Specifically, in some examples, a temperature sensor is arranged inside the bracket and is connected with a controller, and the controller is connected with the electromagnetic driving unit;
the support is provided with an exhaust mechanism, the exhaust mechanism is connected with the controller, when the temperature sensor detects that the temperature in the support is too high, the exhaust mechanism in the support is started, and the exhaust mechanism stops running after the temperature is reduced to 30 ℃, so that the support is timely cooled.
The controller can be an industrial personal computer or a PLC (programmable logic controller) or other types of controllers, and can control the power-on time of the electromagnetic heating unit; of course, in other examples, the temperature sensor is connected with an electromagnetic relay, and the electromagnetic relay controls the electromagnetic heating unit to stop working when the temperature exceeds a set threshold value.
Of course, the exhaust mechanism is the exhaust fan, and the exhaust fan can set up a plurality ofly, and a plurality of exhaust fans are installed in the support, and the different heights of support are located to a plurality of exhaust fans.
It should be noted that the telescopic link can be a multi-joint telescopic link, and the telescopic link can be flexible along with the movement of the infinitesimal pressure head.
The electromagnetic heating unit is specifically an electromagnetic induction heating coil which can be electrified, under the electrified condition, a magnetic field is generated, and under the action of magnetic field repulsion force, the infinitesimal pressure head descends and presses the die and the material on the objective table to form a micro-nano concave structure; after the time is set, the direction of the electrified current of the electromagnetic induction heating coil is changed to form reverse magnetic field force, and the infinitesimal pressure head rises and returns to the original position.
A use method of an electromagnetic hot stamping system based on a micro element idea comprises the following contents:
arranging a workpiece 150 on the surface of the heating disc, and arranging a die 170 on the surface of the workpiece;
according to the size of a workpiece to be heated, an electromagnetic heating unit at a proper position is started through a controller or manually, the electromagnetic heating unit at the corresponding position generates a magnetic field, a corresponding infinitesimal pressure head moves towards the workpiece under the action of the adsorption force of the magnetic field, and the workpiece is imprinted through a mold;
after the set time, the direction of the current of the electromagnetic heating unit is changed, so that the infinitesimal pressure head rises and returns.
It should be explained that the workpiece with the special-shaped curved surface can be a structural member with a spherical surface, a concave surface, a convex surface or a triangular, trapezoidal or wavy cross section; the electromagnetic hot stamping system based on the infinitesimal thought can be applied to the processing of functional micro-nano structures such as drag reduction, ice prevention/removal, stealth and the like on the surfaces of special-shaped parts such as aerospace vehicles, submarines, high-speed rails, ships and the like, and can realize the respective or simultaneous processing of planes, two-dimensional trapezoidal curved surfaces, two-dimensional triangular curved surfaces, three-dimensional micro-lens-shaped curved surfaces, three-dimensional truncated cone-shaped curved surfaces, three-dimensional conical curved surfaces and three-dimensional pyramid-shaped curved surfaces.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An electromagnetic hot stamping system based on a micro-element idea, comprising:
the heating device comprises a base, a heating plate and a heating device, wherein the base is provided with the heating plate, and the heating plate is provided with an electromagnetic heating unit;
the support is supported by the base, a plurality of infinitesimal pressure heads are arranged on the inner side of the support, two adjacent infinitesimal pressure heads are arranged at intervals with a set distance or in a contact manner, each infinitesimal pressure head is connected with the top of the support through a telescopic rod, magnets capable of being matched with the electromagnetic heating units are arranged in each infinitesimal pressure head or at the top of each infinitesimal pressure head, and the magnets correspond to the electromagnetic heating units one to one;
the plurality of infinitesimal pressure heads are arranged in a plurality of rows and a plurality of columns; all telescopic links in every list infinitesimal pressure head pass same backup pad setting, infinitesimal pressure head links firmly with the backup pad, and the lateral part setting of support is passed respectively to the both sides of backup pad.
2. A micro element idea based electromagnetic hot stamping system according to claim 1, wherein the cross section of the side of the micro element indenter away from the base is square or triangular or hexagonal.
3. A micro element thought based electromagnetic hot stamping system according to claim 2, wherein when the cross section of the side of the micro element indenter far away from the base is hexagonal, two adjacent rows of micro element indenters are arranged in a staggered manner.
4. The electromagnetic hot embossing system based on the micro element idea of claim 1, wherein a side of the micro element pressing head close to the base is a circular arc surface.
5. A micro element idea based electromagnetic hot stamping system according to claim 1, wherein the micro element indenter is of a cylindrical type.
6. The electromagnetic hot embossing system based on the micro element idea of claim 1, wherein a temperature sensor is arranged inside the bracket, the temperature sensor is connected with a controller or an electromagnetic relay, and the controller or the electromagnetic relay is connected with the electromagnetic heating unit;
the support is provided with an air exhaust mechanism, and the air exhaust mechanism is connected with the controller.
7. Use of a system according to any of claims 1-6, comprising the following:
arranging a workpiece on the surface of the heating plate, and arranging a die on the surface of the workpiece;
according to the size of a workpiece to be heated, an electromagnetic heating unit at a proper position is started, the electromagnetic heating unit at the corresponding position generates a magnetic field, a corresponding infinitesimal pressure head moves towards the workpiece under the action of the adsorption force of the magnetic field, and the workpiece is imprinted by a mold;
after the set time, the direction of the current of the electromagnetic heating unit is changed, so that the infinitesimal pressure head rises and returns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584480.2A CN112596337B (en) | 2020-12-28 | 2020-12-28 | Electromagnetic hot stamping system based on infinitesimal thought and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584480.2A CN112596337B (en) | 2020-12-28 | 2020-12-28 | Electromagnetic hot stamping system based on infinitesimal thought and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112596337A CN112596337A (en) | 2021-04-02 |
| CN112596337B true CN112596337B (en) | 2022-03-29 |
Family
ID=75202884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011584480.2A Active CN112596337B (en) | 2020-12-28 | 2020-12-28 | Electromagnetic hot stamping system based on infinitesimal thought and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112596337B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4854383B2 (en) * | 2006-05-15 | 2012-01-18 | アピックヤマダ株式会社 | Imprint method and nano-imprint apparatus |
| TW201015214A (en) * | 2008-10-03 | 2010-04-16 | Kai Nan Commercial & Technical High School | Magnetic aided platen continuous press equipment |
| TWI393996B (en) * | 2008-11-07 | 2013-04-21 | Kai Nan Commercial & Technical High School | Magnetic auxiliary roller continuous printing equipment and continuous embossing method |
| CN202540990U (en) * | 2012-03-31 | 2012-11-21 | 上海交通大学 | Seal with butterfly wing microstructure and stamping device thereof |
| CN102717613B (en) * | 2012-03-31 | 2016-06-01 | 上海交通大学 | There is the preparation method of material of butterfly wing microstructure, seal and Embosser |
| CN208052879U (en) * | 2018-03-28 | 2018-11-06 | 郭福生 | Marking press and steel seal equipment |
-
2020
- 2020-12-28 CN CN202011584480.2A patent/CN112596337B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112596337A (en) | 2021-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1981370A (en) | Transfer equipment | |
| CN110027196B (en) | Novel plastics plastic uptake processing device | |
| CN112596337B (en) | Electromagnetic hot stamping system based on infinitesimal thought and use method | |
| CN103316981A (en) | Double-sided multi-point incremental forming device | |
| CN102756597A (en) | Sheet material graining machine with gap adjusting mechanism | |
| CN112817209B (en) | Stamping equipment capable of realizing special-shaped curved surface stamping and using method | |
| CN111558646B (en) | Electromagnetic manufacturing method and forming device for mesoscale plate | |
| CN205972897U (en) | Material moves and carries locating platform | |
| CN110560533A (en) | Flexible roll forming method and device for metal surface microstructure array | |
| CN111605347B (en) | Laser heating roller type micro-imprinting device | |
| CN202508619U (en) | Pressurizing module device of rotary type detecting and marking braider for IC material blocks | |
| CN116690981B (en) | Easy-demolding partition array melting extrusion additive manufacturing hot bed | |
| CN218842323U (en) | Jacking system of coating equipment and coating equipment | |
| CN107413919A (en) | A kind of automobile door frame front door Shang Tiao sides breach blanking units | |
| CN110867400A (en) | Electromagnetic variable-pitch element transfer method | |
| CN212400674U (en) | High-performance intelligent anti-collision device for printer trolley | |
| CN213195479U (en) | Forming die for valve forging | |
| CN112809823B (en) | Continuous punching device for transformer insulating plate and using method thereof | |
| CN213322212U (en) | Thick film of duplex position dish printing device that generates heat | |
| CN209998674U (en) | Disassembling device | |
| CN203282835U (en) | Continuous axial adjustment device with variable gilding rubber roll length | |
| CN202242265U (en) | Automobile sound insulating pad heating word hot stamping mechanism | |
| CN215144046U (en) | Rolling resistance uniform heating structure | |
| WO2015013475A1 (en) | Corrugated sheet, method of manufacture thereof, and mold therefor | |
| CN209648697U (en) | A kind of finished metal plate rack with cooling function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |