CN108857301B - Method for manufacturing graphite mold - Google Patents
Method for manufacturing graphite mold Download PDFInfo
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- CN108857301B CN108857301B CN201810835554.1A CN201810835554A CN108857301B CN 108857301 B CN108857301 B CN 108857301B CN 201810835554 A CN201810835554 A CN 201810835554A CN 108857301 B CN108857301 B CN 108857301B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
Abstract
The invention is suitable for the technical field of manufacturing of graphite molds, and discloses a manufacturing method of a graphite mold, which comprises the following steps: cutting a graphite raw material to obtain a graphite mold blank; grinding, namely grinding each outer surface of the graphite die blank to obtain a blank fine grinding piece; a clamping leveling step, namely mounting the blank accurate grinding piece on a clamp and leveling the blank accurate grinding piece on the clamp; milling, namely milling the blank fine grinding piece clamped on the clamp by using a numerical control milling machine to obtain a graphite die semi-finished product; and polishing, namely polishing the semi-finished product of the graphite mold to obtain the graphite mold. The processing technology of the graphite mould is optimized, so that the processing operation of the graphite mould is simplified, and the processing efficiency of the graphite mould is improved; in addition, the graphite die blank is subjected to surface grinding processing and clamping leveling before milling processing, so that the processing efficiency and the processing precision of the graphite die can be further improved.
Description
Technical Field
The invention relates to the technical field of production of graphite molds, in particular to a manufacturing method of a graphite mold.
Background
One production process for curved glass sheets is through hot bending of a graphite mold, in which the machining precision of the graphite mold directly affects the forming precision of the curved glass sheet.
In the prior art, when the graphite mold is produced and processed, the graphite raw material is put on a machine tool for processing and then is cut, and the processing mode has the disadvantages of complex operation of the processing process, low processing efficiency and lower processing precision of the graphite mold.
Disclosure of Invention
The invention aims to provide a manufacturing method of a graphite mold, which aims to solve the technical problems of low processing efficiency and low processing precision of the processing technology of the graphite mold.
In order to achieve the purpose, the invention provides the following scheme: the manufacturing method of the graphite mold comprises the following steps:
cutting a graphite raw material to obtain a graphite mold blank;
grinding, namely grinding each outer surface of the graphite die blank to obtain a blank fine grinding piece;
a clamping leveling step, namely mounting the blank fine grinding piece on a clamp and leveling the blank fine grinding piece on the clamp;
milling, namely milling the blank fine grinding piece clamped on the clamp by using a numerical control milling machine to obtain a graphite die semi-finished product;
polishing, namely polishing the semi-finished product of the graphite mold to obtain the graphite mold;
wherein, the clamping leveling step comprises the following substeps:
a detection substep, namely, mounting the blank accurate grinding piece on a clamp, placing the clamp provided with the blank accurate grinding piece in detection equipment, and measuring height values of four corners of the blank accurate grinding piece;
a processing substep, taking the clamp provided with the blank fine grinding piece out of the detection equipment, and leveling the blank fine grinding piece arranged on the clamp according to the detection result of the detection substep;
the leveling treatment of the blank fine grinding piece in the treatment sub-step is implemented by the following steps:
if the error values of the height values of the four corners of the blank fine grinding piece detected by the detection equipment are less than or equal to 0.01mm, finishing leveling; if the error values of the height values of the four corners of the blank fine grinding piece detected by the detection device are greater than 0.01mm, according to the detection value of the detection device, padding tin foil paper below the position where the height value of the blank fine grinding piece is small, and repeating the detection substep and the processing substep until the error values of the height values of the four corners of the blank fine grinding piece detected by the detection device are less than or equal to 0.01 mm;
the milling step comprises the following substeps:
a feeding sub-step, namely placing the clamp provided with the blank fine grinding piece in a material warehouse;
a feeding and transferring substep, wherein the clamp clamped with the blank fine grinding piece in the material storehouse is transferred to a numerical control milling machine through a mechanical arm;
a machining substep, wherein the blank fine grinding piece is subjected to milling machining through the numerical control milling machine to obtain a graphite mold semi-finished product;
a blanking transferring substep, wherein the clamp clamped with the graphite mold semi-finished product in the numerical control milling machine is transferred to the material warehouse through the mechanical arm;
the polishing step includes the substeps of:
a manual polishing substep, wherein the graphite mold semi-finished product is manually polished by manually adopting a handheld sponge piece, and the handheld sponge piece is a part which is made of sponge and is convenient for being held by hands;
and a step of polishing by a machine, namely polishing the semi-finished product of the graphite mold after the manual polishing substep by a polishing machine to obtain the graphite mold.
Optionally, the graphite mold blank is a rectangular block structure, and the length of the graphite mold blank is defined as a1Defining the width of the graphite mold blank as b1Defining the length of the graphite mold as a2Defining the width of the graphite mold as b2Then a is1、b1、a2、b2Satisfies the relationship: a is1-a2＝0.08mm～0.12mm，b1-b2The cutting step is carried out according to the following implementation mode, wherein the cutting step is 0.08 mm-0.12 mm: according to the length a of the graphite die blank1And the width b of the graphite mold blank1And cutting the graphite raw material to obtain the graphite mold blank.
Optionally, the refining element is a rectangular block-like structure, defining a length a of the refining element3Defining the width of said refining element of said blank as b3Then a is3、b3、a2、b2Satisfies the relationship: a is3-a2＝±0.01mm，b3-b2± 0.01mm, an embodiment of the grinding step is: according to the length a of the refining element3And the width b of the refining element of said blank3And respectively grinding six outer surfaces of the graphite die blank to obtain the blank accurate grinding piece.
Optionally, the material cutting step is implemented as follows: and cutting the graphite raw material by using a sawing machine to obtain the graphite mold blank.
Optionally, the feeding sub-step is implemented as follows: installing a sensor on the clamp which clamps the blank fine grinding piece, and identifying and numbering the sensor on the clamp; placing the clamp provided with the blank fine grinding piece and the sensor in a material groove of the material warehouse; driving the material warehouse to rotate, and identifying a sensor on the clamp through a detector arranged in the material warehouse; and the controller establishes an associated database for the material groove in the material library and the clamp which is clamped with the blank fine grinding piece and the sensor according to the feedback information of the detector.
Optionally, the hand-held sponge member is a sponge pad.
The manufacturing method of the graphite mould provided by the invention comprises the steps of cutting a graphite raw material to obtain a graphite mould blank, and grinding the outer surfaces of the graphite mould blank to obtain a blank fine grinding piece; then mounting the blank fine grinding piece on a clamp, and leveling the blank fine grinding piece on the clamp; then milling the blank fine grinding piece clamped on the clamp to obtain a graphite mold semi-finished product; and finally, polishing the semi-finished product of the graphite mold to obtain the graphite mold. According to the invention, the graphite raw material is firstly cut to obtain the graphite mold blank, and then the graphite mold blank is sequentially subjected to grinding, milling and polishing treatment, so that the processing technology of the graphite mold is effectively optimized, the processing process of the graphite mold is simplified, and the processing efficiency of the graphite mold is improved; in addition, the graphite die blank is subjected to surface grinding processing and clamping leveling before milling processing, so that the processing efficiency and the processing precision of the graphite die can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 flow chart of a method for manufacturing a graphite mold according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of the clamping leveling step provided by the embodiment of the invention;
FIG. 3 is a schematic flow chart of a milling step provided by an embodiment of the present invention;
FIG. 4 is a schematic flow chart of a polishing step provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 4, a method for manufacturing a graphite mold according to an embodiment of the present invention includes the following steps:
a cutting step S100, cutting a graphite raw material to obtain a graphite mold blank;
a grinding step S200, wherein the grinding processing is carried out on each outer surface of the graphite die blank to obtain a blank fine grinding piece;
a clamping leveling step S300, namely, mounting the blank fine grinding piece on a clamp, and leveling the blank fine grinding piece on the clamp;
a milling step S400, milling the blank fine grinding piece clamped on the clamp by using a numerical control milling machine to obtain a graphite mold semi-finished product;
and a polishing step S500, polishing the graphite mold semi-finished product to obtain the graphite mold.
In the embodiment of the invention, the cutting step S100 is mainly used for cutting and processing the graphite raw material to prepare a graphite mold blank with an external contour shape similar to that of the graphite mold and an external contour size slightly larger than that of the graphite mold; the grinding step S200 is mainly used for grinding the outer surfaces of the graphite die blank prepared in the cutting step S100 to prepare a blank fine grinding piece; the clamping leveling step S300 is mainly used for mounting the blank accurate grinding piece manufactured in the grinding step S200 on a clamp, and calibrating and leveling the blank accurate grinding piece on the clamp so as to ensure the subsequent processing precision of the blank accurate grinding piece; the milling step S400 is mainly used for machining holes, grooves and other characteristics, and specifically is used for milling all the holes, grooves and other characteristics on the blank fine grinding piece leveled in the clamping leveling step S300 to obtain a graphite mold semi-finished product; the polishing step S500 is mainly used to polish the graphite mold semi-finished product to obtain a graphite mold with high surface precision.
According to the embodiment of the invention, the graphite raw material is firstly cut to obtain the graphite mold blank, and then the graphite mold blank is sequentially subjected to grinding, milling and polishing, so that the processing technology of the graphite mold is effectively optimized, the processing process of the graphite mold is simplified, and the processing efficiency of the graphite mold is improved; in addition, the graphite die blank is subjected to surface grinding processing and clamping leveling before milling processing, so that the processing efficiency and the processing precision of the graphite die can be further improved.
Preferably, the graphite mold blank is a rectangular block structure, and the length of the graphite mold blank is defined as a1Defining the width of the graphite mold blank as b1The length of the graphite mold (finished product) is defined as a2Defining the width of the graphite mold as b2Then a is1、b1、a2、b2Satisfies the relationship: a is1-a2＝0.08mm～0.12mm，b1-b2The embodiment of the cutting step S100 is that, when the diameter is 0.08mm to 0.12 mm: according to the length a of the graphite die blank1And width b of graphite mold blank1And cutting the graphite raw material to obtain a graphite mold blank. Here, the length a of the graphite mold blank is set1Width b1Are respectively set to be a than the length of the graphite mold2Width b2The size of the graphite mold blank is 0.08-0.12 mm, so that enough machining allowance can be reserved for subsequent machining of the graphite mold blank to ensure machining precision, excessive repeated machining times of subsequent machining are avoided, and machining precision and machining efficiency are ensured.
Preferably, a1、b1、a2、b2Satisfies the relationship: a is1-a2＝0.1mm，b1-b2The thickness is 0.1mm, so that the processing precision and the processing efficiency of the graphite mold can be well balanced.
Preferably, the material cutting step S100 is implemented as follows: and cutting the graphite raw material by using a sawing machine to obtain a graphite mold blank. Here, the cutting step S100 is implemented by using a sawing machine, which is beneficial to ensuring the cutting precision and the cutting efficiency.
Preferably the refining element is a rectangular block-like structure defining a refining element length a3Defining the width of the refining element of the blank as b3Then a is3、b3、a2、b2Satisfies the relationship: a is3-a2＝±0.01mm，b3-b2The embodiment of the grinding step S200 is as follows: according to the length a of the refining element of the blank3And width b of the refining element of the blank3And respectively grinding six outer surfaces of the graphite die blank to obtain a blank accurate grinding piece. Here, the length a of the refiner blank3Width b3Are respectively set to be a than the length of the graphite mold2Width b2The size is 0.01mm, so that the machining precision and the machining efficiency of the graphite mold can be considered simultaneously.
Preferably, in the clamping leveling step S300, the leveling of the blank fine grinding piece on the jig is performed to calibrate the levelness of the blank fine grinding piece on the jig.
Preferably, the clamping and leveling step S300 includes the following sub-steps:
a detection substep S310, mounting the blank fine grinding piece on a clamp, placing the clamp provided with the blank fine grinding piece in detection equipment, and measuring height values of four corners of the blank fine grinding piece;
and a processing substep S320 of taking the jig with the fine-ground blank member out of the inspection equipment and leveling the fine-ground blank member mounted on the jig according to the inspection result of the inspection substep S310.
The detection substep S310 is mainly used for detecting height values of the blank fine grinding piece clamped at four corners of the clamp; the process substep S320 is mainly used to perform a correction and leveling process on the blank fine grinding piece on the jig based on the data detected in the detection substep S310. Here, the detection substep S310 performs automatic detection by using a detection device, and has high detection precision and high detection efficiency.
Preferably, the leveling of the blank refiner in process substep S320 is performed by:
if the error values of the height values of the four corners of the blank fine grinding piece detected by the detection equipment are less than or equal to 0.01mm, finishing leveling; and if the error values of the height values of the four corners of the blank fine grinding piece detected by the detection device are greater than 0.01mm, according to the detection value of the detection device, padding tin foil paper below the part with the small height value of the blank fine grinding piece, and repeating the detection substep S310 and the processing substep S320 until the error values of the height values of the four corners of the blank fine grinding piece detected by the detection device are less than or equal to 0.01 mm. Here, the blank fine grinding piece on the clamp is corrected and leveled in a mode of padding tin foil paper, and the operation is simple and convenient; after the foil paper is padded, the detection substep S310 and the processing substep S320 are repeated until the error values of the height values of the four corners of the blank fine grinding piece detected by the detection equipment are less than or equal to 0.01mm, so that the leveling precision is ensured.
Preferably, the milling step S400 comprises the following sub-steps:
a feeding sub-step S410, wherein the clamp provided with the fine ground blank piece is placed in a material warehouse;
a feeding and transferring substep S420, transferring the clamp clamped with the blank fine grinding piece in the material storehouse to a numerical control milling machine through a mechanical arm;
a processing substep S430, milling the blank fine grinding piece by a numerical control milling machine to obtain a graphite mold semi-finished product;
and a blanking transferring substep S440, wherein the clamp with the graphite mold semi-finished product arranged in the numerical control milling machine is transferred to a stock bin through a mechanical arm.
In this preferred embodiment, place the anchor clamps of the clamping fine grinding piece of blank in the feed bin earlier, then through the manipulator with the built-in anchor clamps that accompany the fine grinding piece of blank in the feed bin transmit to numerically controlled fraise machine and carry out milling process, after the numerically controlled fraise machine carries out milling process to the fine grinding piece of blank and accomplishes and obtain graphite mold semi-manufactured goods, the rethread manipulator transmits the built-in anchor clamps that accompany graphite mold semi-manufactured goods in the numerically controlled fraise machine to the feed bin in, thereby realized the full automatic milling process of the fine grinding piece of blank, do benefit to like this and reduce human cost and artifical intensity of labour, do benefit to the big batch milling process of.
In addition, the graphite mold semi-finished product is milled by the numerical control milling machine, so that before machining, only corresponding machining programs need to be programmed and stored in a controller of the numerical control milling machine, the corresponding programs are selected according to needs during machining, the numerical control milling machine can be controlled to automatically machine the required graphite mold, the milling precision reliability is high, meanwhile, the large-batch milling machining of the graphite mold semi-finished product is facilitated, and the size uniformity of the large-batch milled graphite mold is high.
Preferably, the implementation manner of the feeding substep S410 is: installing a sensor on a clamp which clamps the fine ground billet piece, and identifying and numbering the sensor on the clamp; placing a clamp provided with a blank fine grinding piece and a sensor in a material groove of a material warehouse; driving the material warehouse to rotate, and identifying a sensor on the clamp through a detector arranged in the material warehouse; and the controller establishes a correlation database for the material groove in the material library and the clamp which clamps the fine blank grinding piece and the sensor according to the feedback information of the detector. Here, a relational database is established between the material grooves in the material warehouse and the clamp which clamps the fine blank grinding pieces and the sensor, so that the control system is favorable for controlling the manipulator to accurately perform the feeding and transferring substep S420 and the discharging and transferring substep S440, and meanwhile, the working personnel can know the processing progress of each fine blank grinding piece in the material warehouse in real time.
Preferably, the polishing step S500 of the graphite mold includes the following substeps:
a manual polishing substep S510, performing manual polishing treatment on the graphite mold semi-finished product by manually using a handheld sponge piece, wherein the handheld sponge piece is a part which is made of sponge and is convenient for being held by hands;
and a mechanical polishing step S520, performing mechanical polishing treatment on the graphite mold semi-finished product after the manual polishing substep S510 is completed through a polishing machine, and thus obtaining the graphite mold.
In the polishing step S500 of the graphite mold provided in the embodiment of the present invention, the graphite mold semi-finished product is polished by manually using the handheld sponge member, and then the graphite mold semi-finished product is polished again by the polishing machine, and the graphite mold semi-finished product is detected by the three-dimensional detection device to find that: the graphite mould manufactured by the polishing process has the advantages that the surface finish of the graphite mould is greatly improved, and the knife lines on the surface of the semi-finished product of the graphite mould are effectively and thoroughly removed, so that the improvement of the surface finish of the curved glass plate formed by hot bending of the graphite mould is facilitated, and the improvement of the attractiveness and the surface touch comfort of the product is facilitated.
Preferably, the first implementation manner of the manual polishing substep S510 is:
manually polishing the surface of the graphite mold semi-finished product for the first time by manually adopting a first handheld sponge piece,
manually polishing the surface of the graphite mold semi-finished product for the second time by adopting a second handheld sponge piece with the surface roughness smaller than that of the first handheld sponge piece; alternatively, the first and second electrodes may be,
the second embodiment of the manual polishing substep S510 is:
and manually polishing the surface of the graphite mold semi-finished product by manually adopting a second handheld sponge piece.
The first hand-held sponge is used for rough polishing, and the second hand-held sponge is used for fine polishing. In the first implementation manner of the manual polishing substep S510, the polished surface is high in cleanliness after being subjected to rough polishing and fine polishing, and the method is mainly suitable for polishing graphite mold semi-finished products with high surface roughness and thick knife lines; the second implementation manner of the manual polishing substep S510 is to directly perform a fine polishing at one time, has high polishing efficiency, and is mainly suitable for polishing graphite mold semi-finished products with small surface roughness and fine tool lines. In a specific application, the manual polishing substep S510 can be implemented according to a specific graphite mold semi-finished product by considering whether the first embodiment or the second embodiment is selected: when the milled graphite mold semi-finished product has large surface roughness and thick knife lines, the manual polishing substep S510 is implemented by adopting the first implementation mode, so that the surface smoothness of the prepared graphite mold can be fully ensured; when the milled graphite mold semi-finished product has small surface roughness and fine knife lines, the manual polishing substep S510 is implemented by adopting the second implementation mode, which is beneficial to considering both the surface smoothness and the polishing efficiency of the graphite mold.
Preferably, the handheld sponge piece (including the first handheld sponge piece and the second handheld sponge piece) is a sponge pad, the sponge pad is in the form of a washer, the outline shape of the outer edge of the sponge pad can be rectangular, circular or oval and the like, and the handheld sponge piece is simple in structure, easy to manufacture and mold and convenient to hold by a hand. Of course, the hand-held sponge member may be formed in other shapes for specific applications, such as a wheel-shaped sponge wheel or a spherical sponge ball.
Preferably, in the step S520 of mechanical polishing, the polishing process is 1 to 2 microns.
Preferably, in the sub-step S520 of mechanical polishing, the polishing machine performs mechanical polishing treatment on the graphite mold semi-finished product by driving the foam wheel or the sponge wheel to rotate and move, that is: in the sub-step S520 of machine polishing, the polishing machine drives the foam wheel or the sponge wheel to rotate and move horizontally at the same time, so that polishing can be performed by using the foam wheel or the sponge wheel rotating at a high speed.
Preferably, in the sub-step S520 of mechanical polishing, the rotational speed of the foam wheel or sponge wheel driven by the polishing machine is 12000 rpm to 18000 rpm. In the sub-step S520 of mechanical polishing, the rotational speed of the foam wheel or the sponge wheel directly affects the polishing precision and the polishing efficiency of the graphite mold, and here, the rotational speed of the foam wheel or the sponge wheel is set between 12000 rpm and 18000 rpm, which is beneficial to considering both the polishing precision and the polishing efficiency of the graphite mold.
Preferably, the polishing machine drives the foam cotton or the sponge wheel to horizontally move at a speed (namely, a feeding speed) of 2500 mm/min to 3500 mm/min. In the sub-step S520 of the mechanical polishing, the horizontal moving speed of the foam wheel or the sponge wheel directly affects the polishing precision and the polishing efficiency of the graphite mold, and here, the rotating speed of the foam wheel or the sponge wheel is set to be 2500 mm/min to 3500 mm/min, which is beneficial to considering both the polishing precision and the polishing efficiency of the graphite mold.
In a preferred embodiment of this embodiment, the rotation speed of the polishing machine driving the foam cotton or the sponge wheel to rotate is 15000 rpm, the speed of the polishing machine driving the foam cotton or the sponge wheel to horizontally move is 3000 mm/min, and the polishing precision and the polishing efficiency of the graphite mold polished at the rotation speed and the moving speed are both optimized.
Preferably, during the mechanical polishing treatment, the graphite mold semi-finished product is circularly cleaned by using a cleaning solution, so that the polishing precision is prevented from being influenced by scraps generated in the polishing process.
Preferably, the graphite mold manufactured by the manufacturing method is a graphite mold for hot bending a glass cover plate of a mobile terminal, and the mobile terminal is a mobile phone, a tablet personal computer and the like. The graphite mould manufactured by the manufacturing method greatly improves the production efficiency and the surface finish of the graphite mould, so that the surface finish of the mobile terminal glass cover plate manufactured by the graphite mould is ensured, and the comfort of holding and touching the mobile terminal glass cover plate by a user is improved. Of course, in specific applications, the method for manufacturing a graphite mold according to the embodiment can also be used for manufacturing a graphite mold for molding a glass plate of other equipment, such as a glass plate of an automobile.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The manufacturing method of the graphite mold is characterized by comprising the following steps:
cutting a graphite raw material to obtain a graphite mold blank;
grinding, namely grinding each outer surface of the graphite die blank to obtain a blank fine grinding piece;
a clamping leveling step, namely mounting the blank fine grinding piece on a clamp and leveling the blank fine grinding piece on the clamp;
milling, namely milling the blank fine grinding piece clamped on the clamp by using a numerical control milling machine to obtain a graphite die semi-finished product;
polishing, namely polishing the semi-finished product of the graphite mold to obtain the graphite mold;
wherein, the clamping leveling step comprises the following substeps:
a detection substep, namely, mounting the blank accurate grinding piece on a clamp, placing the clamp provided with the blank accurate grinding piece in detection equipment, and measuring height values of four corners of the blank accurate grinding piece;
a processing substep, taking the clamp provided with the blank fine grinding piece out of the detection equipment, and leveling the blank fine grinding piece arranged on the clamp according to the detection result of the detection substep;
the leveling treatment of the blank fine grinding piece in the treatment sub-step is implemented by the following steps:
if the error values of the height values of the four corners of the blank fine grinding piece detected by the detection equipment are less than or equal to 0.01mm, finishing leveling; if the error values of the height values of the four corners of the blank fine grinding piece detected by the detection device are greater than 0.01mm, according to the detection value of the detection device, padding tin foil paper below the position where the height value of the blank fine grinding piece is small, and repeating the detection substep and the processing substep until the error values of the height values of the four corners of the blank fine grinding piece detected by the detection device are less than or equal to 0.01 mm;
the milling step comprises the following substeps:
a feeding sub-step, namely placing the clamp provided with the blank fine grinding piece in a material warehouse;
a feeding and transferring substep, wherein the clamp clamped with the blank fine grinding piece in the material storehouse is transferred to a numerical control milling machine through a mechanical arm;
a machining substep, wherein the blank fine grinding piece is subjected to milling machining through the numerical control milling machine to obtain a graphite mold semi-finished product;
a blanking transferring substep, wherein the clamp clamped with the graphite mold semi-finished product in the numerical control milling machine is transferred to the material warehouse through the mechanical arm;
the polishing step includes the substeps of:
a manual polishing substep, wherein the graphite mold semi-finished product is manually polished by manually adopting a handheld sponge piece, and the handheld sponge piece is a part which is made of sponge and is convenient for being held by hands;
and a step of polishing by a machine, namely polishing the semi-finished product of the graphite mold after the manual polishing substep by a polishing machine to obtain the graphite mold.
2. The method of manufacturing a graphite mold as claimed in claim 1, wherein the graphite mold blank has a rectangular block-shaped structure, and the length of the graphite mold blank is defined as a1Defining the width of the graphite mold blank as b1Defining the length of the graphite mold as a2Defining the width of the graphite mold as b2Then a is1、b1、a2、b2Satisfies the relationship: a is1-a2＝0.08mm～0.12mm，b1-b2The cutting step is carried out according to the following implementation mode, wherein the cutting step is 0.08 mm-0.12 mm: according to the length a of the graphite die blank1And the width b of the graphite mold blank1And cutting the graphite raw material to obtain the graphite mold blank.
3. The method of making a graphite mold as set forth in claim 2, wherein said refining member is a rectangular block-like structure defining a length a of said refining member3Defining the width of said refining element of said blank as b3Then a is3、b3、a2、b2Satisfies the relationship: a is3-a2＝±0.01mm，b3-b2± 0.01mm, an embodiment of the grinding step is: according to the length a of the refining element3And saidWidth b of the refiner blank3And respectively grinding six outer surfaces of the graphite die blank to obtain the blank accurate grinding piece.
4. The method for manufacturing a graphite mold as claimed in any one of claims 1 to 3, wherein the cutting step is carried out by: and cutting the graphite raw material by using a sawing machine to obtain the graphite mold blank.
5. The method for manufacturing a graphite mold according to claim 1, wherein the charging substep is carried out in a manner of: installing a sensor on the clamp which clamps the blank fine grinding piece, and identifying and numbering the sensor on the clamp; placing the clamp provided with the blank fine grinding piece and the sensor in a material groove of the material warehouse; driving the material warehouse to rotate, and identifying a sensor on the clamp through a detector arranged in the material warehouse; and the controller establishes an associated database for the material groove in the material library and the clamp which is clamped with the blank fine grinding piece and the sensor according to the feedback information of the detector.
6. The method of manufacturing a graphite mold as claimed in claim 1, wherein the hand-held sponge member is a sponge pad.
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| CN115488585A (en) * | 2022-08-31 | 2022-12-20 | 核工业西南物理研究院 | Method and device for manufacturing top first-wall graphite mounting plate |
| CN115674459A (en) * | 2022-11-16 | 2023-02-03 | 曲靖恒毅炭素科技有限公司 | High-efficient processingequipment of graphite carbon circle |
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| CN107470985A (en) * | 2016-06-06 | 2017-12-15 | 蓝思科技（长沙）有限公司 | The preparation method and graphite jig of a kind of graphite jig for glass panel shaping |
| CN108270885A (en) * | 2017-12-30 | 2018-07-10 | 文山科泰丰电子有限公司 | A kind of production method of mobile phone 3D glass cover-plates |
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