CN114571776B - Graphite processing equipment for compression molding artware and molding method thereof - Google Patents
Graphite processing equipment for compression molding artware and molding method thereof Download PDFInfo
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- CN114571776B CN114571776B CN202210195140.3A CN202210195140A CN114571776B CN 114571776 B CN114571776 B CN 114571776B CN 202210195140 A CN202210195140 A CN 202210195140A CN 114571776 B CN114571776 B CN 114571776B
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- plunger
- plunger body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/08—Accessory tools, e.g. knives; Mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention provides a graphite processing device for compression molding artware and a molding method thereof, wherein the device comprises a base and a die cavity arranged on the base, and further comprises: the plunger assembly comprises a plunger body, a plunger core and a pushing unit, wherein the plunger body is internally hollow, a through hole A and a through hole B are respectively arranged at the upper end and the lower end of the plunger body, the plunger core is coaxially arranged with the through hole A and slides relative to the plunger body, the bottom of the plunger core is matched with the through hole B, a through hole C is formed in the side wall of the plunger body and is communicated with the inner cavity of the plunger body, and a through hole D is formed in the side wall of the die cavity and is communicated with a negative pressure adsorption pipeline; the process comprises automatic operation of raw material filling, primary vacuumizing, primary pressing, compacting and exiting. The graphite raw material is subjected to mould pressing, and air is pumped out in a negative pressure mode for two times, so that a pressed finished product is more compact.
Description
Technical Field
The invention relates to the technical field of graphite processing, in particular to graphite processing equipment for compression molding artware and a molding method thereof.
Background
The graphite artwork is used as an emerging ornament, and has the advantages of good texture and color, difficult fading and aging, and wide market pursuit. However, the manufacturing raw material of the graphite artwork, namely graphite, has certain requirements, mainly the density of the graphite artwork is required to be more than 1.80g/cm < 3 >; in addition, for making long handicraft articles, handicraft articles with different sizes in the three directions of width and height, the compression molding process is adopted, so that not only can graphite materials be saved, but also the production efficiency is higher, and the production method has outstanding advantages.
Problems and disadvantages of the prior art: at present, manufacturers specially manufacturing graphite artware in the market are not more, and the main reasons are that graphite raw materials are expensive, and the performance requirements on the graphite materials are high, so that the economic benefit of the conventional production process is poor. The uneven bulk of the product is a major disadvantage for conventional compression molding processes, particularly for thicker pressed products.
The Chinese patent with the application number of CN201610357498.6 discloses a stable and smooth molding press structure with low failure rate, which comprises a frame, a pressing module, a feeding and discharging mechanism and a bottle cap output track assembly; the pressing module comprises a die pressing disc rotating shaft, an upper die pressing disc and a lower die pressing disc; the feeding and discharging mechanism comprises a first rotating shaft, a first rotating disc, a second rotating shaft, a second rotating disc, a driving device and a bottle cap output track assembly; an abnormal glue splashing, falling and discharging system is arranged aiming at the feeding and discharging mechanism, and comprises a first hopper, a second hopper and an abnormal glue collecting box; and the conveying track of the bottle cap output track assembly is provided with an infrared automatic counter and a plurality of bad detection units for detecting different items.
However, in the technical scheme, in the mould pressing process of the graphite raw material, air in the graphite raw material cannot be discharged, so that the density of a finished product is low, and the finished product is easy to loose and peel.
Disclosure of Invention
One of the purposes of the invention is to provide a graphite processing device for compression molding artware aiming at the defects of the prior art, and the graphite processing device is divided into two times of negative pressure air pumping through the compression molding work of graphite raw materials: after the plunger body descends and is matched with the die cavity to be airtight, the negative pressure adsorption pipeline adsorbs and pumps air in the die cavity to form vacuum preliminarily; secondly, when the graphite raw material is extruded under the plunger body, the negative pressure adsorption pipeline can pump away the air which is expelled when the graphite raw material is extruded through the through hole B, so that a pressed finished product is more compact, the compactness of the finished product is improved, and the problems that in the background art, the air in the graphite raw material cannot be expelled, the compactness of the finished product is lower and the finished product is easy to loose and peel are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a graphite processing equipment of compression molding handicraft, includes the base and set up in die cavity on the base, its characterized in that still includes:
plunger subassembly, the plunger subassembly includes plunger body, plunger core and pushing element, the inside cavity of plunger body sets up and is provided with through-hole A and through-hole B respectively at upper and lower both ends, the plunger core with through-hole A coaxial setting just relatively the plunger body slides, the bottom of plunger core with through-hole B matches, set up the inner chamber of this plunger body of through-hole C intercommunication on the lateral wall of the plunger body, through-hole D intercommunication negative pressure adsorption pipeline has been seted up to the lateral wall of die cavity.
The improved plunger comprises a plunger body, a plunger core, a driving assembly and a first spring, wherein the driving assembly drives the plunger body and the plunger core to lift together at the same time, the driving assembly comprises an oil cylinder and the first spring, one end of the first spring is connected with the end part of the piston of the oil cylinder, the other end of the first spring is connected with the plunger body, and the plunger core is rigidly connected with the end part of the piston of the oil cylinder.
The guide unit is connected with the plunger body and the oil cylinder, the guide unit comprises a guide cylinder and a guide rod, and a limit ring is arranged in the middle of the guide rod and can be matched and abutted with the top end of the guide cylinder.
As an improvement, the lower surface of the plunger body is set to be a flat plane, and when the limiting ring is abutted against the top end of the guide cylinder, the lower surface of the plunger core is flush with the lower surface of the plunger body.
As an improvement, the through hole D is arranged at the middle upper part of the die cavity and is higher than the top surface of the graphite raw material filled in the die cavity.
As an improvement, the through hole C is formed as a kidney-shaped hole, and the length direction of the kidney-shaped hole is arranged along the axial direction of the plunger body.
As an improvement, the pushing unit comprises a pushing plate, a second spring, a limiting piece and a reset group, wherein the plunger body is radially provided with a pushing hole along the radial direction of the pushing plate, the pushing plate is slidably arranged in the pushing hole along the length direction of the pushing hole, the second spring is used for elastically connecting the pushing plate with the plunger body, the pushing plate is compressed after the second spring, the limiting piece is used for limiting the locking of the pushing plate, and the reset group is arranged on the outer side of the plunger body and is used for pushing and resetting the pushing plate.
As an improvement, the limiting piece is unlocked through the driving of the connecting rod, the tail end of the connecting rod is set to be an inclined plane, and in the descending process of the plunger body, the opening edge of the die cavity is pushed against the connecting rod to push the limiting piece to unlock.
As an improvement, the reset group comprises a push rod and a guide rail block, the push rod is in sliding connection with the plunger body, the guide rail block is arranged at the tail end of the push rod, and the guide rail block is in rigid fixed connection with the die cavity.
As an improvement, the front end of the push rod is provided with a brush, the guide rail block comprises a jacking part and a vertical part, one side of the vertical part is provided with a rack, and the tail part of the push rod is provided with a gear which can be engaged with the rack in a matching way.
The invention aims at overcoming the defects of the prior art, and provides a graphite molding method for compression molding of artworks, which realizes secondary vacuumizing of a pressing engineering and enhances the bulk density of finished products through automatic operation of raw material filling, primary vacuumizing, primary pressing, compacting and exiting.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the graphite molding method for the compression molding of the artwork is characterized by comprising the following steps of:
step one, filling raw materials, and injecting the raw materials into a die cavity after a plunger assembly is separated from the die cavity;
step two, preliminary vacuumizing, namely lowering the plunger assembly to enable the plunger body to be matched and sealed with the inner wall of the die cavity, and opening vacuum pumping equipment to pump air out of the die cavity through a negative pressure adsorption pipeline;
step three, an initial pressing procedure, namely continuously pressing the upper surface of the raw material by pressing the plunger body downwards, and continuously pumping air from the raw material through the inner cavity of the plunger body by the negative pressure adsorption pipeline;
step four, a compacting procedure, wherein in the step three, partial raw materials are formed into an upper convex body through a through hole B in the pressing and vacuumizing process, then a pushing unit pushes away the upper convex raw materials so that the rest part of the upper convex raw materials are higher than a pressing plane of a plunger body by 1-2 mm, and then a plunger core compacts the higher raw materials;
and step five, exiting the working procedure, reversely separating the plunger assembly from the die cavity, pushing the redundant raw materials out of the plunger body by the pushing unit, and cleaning and resetting the pushing unit by the resetting group.
The invention has the beneficial effects that:
(1) The invention divides the mould pressing work of the graphite raw material into two times of negative pressure air pumping: after the plunger body descends and is matched with the die cavity to be airtight, the negative pressure adsorption pipeline adsorbs and pumps air in the die cavity to form vacuum preliminarily; secondly, when the graphite raw material is extruded under the plunger body, the negative pressure adsorption pipeline can pump out air expelled during extrusion of the graphite raw material through the through hole B, so that a pressed finished product is more compact, the compactness of the finished product is improved, and the secondary vacuumizing of a pressing engineering is realized and the bulk density of the finished product is enhanced through automatic operation of raw material filling, primary vacuumizing, primary compression procedure, compaction procedure and exit procedure;
(2) According to the invention, after the limit ring is matched and abutted with the top end of the guide cylinder, the lower surface of the plunger core is flush with the lower surface of the plunger body, and the plunger body and the plunger core synchronously descend to press the graphite raw material again, so that compaction is ensured, and meanwhile, a boss of graphite is eliminated, and the strength and the attractiveness of a finished product are ensured;
(3) The push rod is used for resetting the push plate and cleaning the surface of the push plate at the same time, so that graphite raw materials are prevented from being adhered to the surface of the push plate.
In conclusion, the invention has the advantages of vacuum pressing, good strength, beautiful finished product and the like, and is particularly suitable for the technical field of graphite processing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;
FIG. 5 is one of the schematic cross-sectional views B-B of FIG. 3;
FIG. 6 is a second schematic cross-sectional view B-B of FIG. 3;
FIG. 7 is an enlarged schematic view of FIG. 4 at C;
FIG. 8 is an enlarged schematic view of FIG. 4 at D;
FIG. 9 is a schematic cross-sectional view of the plunger body of the present invention shown disengaged from the mold cavity;
FIG. 10 is a schematic left-hand view of the pushing unit of the present invention;
FIG. 11 is a schematic cross-sectional view of the pressing process of the present invention;
fig. 12 is a process flow diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1 to 5, the invention provides a graphite processing device for compression molding artware, which comprises a base 1, a die cavity 2 and a plunger assembly 3, wherein the die cavity 2 and the plunger assembly 3 are arranged on the base 1, the plunger assembly 3 comprises a plunger body 31, a plunger core 32 and a pushing unit 33, the plunger body 31 is internally arranged in a hollow manner, a through hole A311 and a through hole B312 are respectively arranged at the upper end and the lower end of the plunger body 31, the plunger core 32 and the through hole A311 are coaxially arranged and slide relative to the plunger body 31, the bottom of the plunger core 32 is matched with the through hole B312, a through hole C313 is formed in the side wall of the plunger body 31 and communicated with the inner cavity of the plunger body 31, and a through hole D21 is formed in the side wall of the die cavity 2 and communicated with a negative pressure adsorption pipeline 4.
It should be noted that, the mould pressing work of the graphite raw material is divided into two times of negative pressure pumping air: after the plunger body 31 descends and is matched and sealed with the die cavity 2, the negative pressure adsorption pipeline 4 adsorbs and pumps air in the die cavity 2, and vacuum is formed primarily; next, when the graphite raw material is pressed by the plunger body 31, the negative pressure adsorption pipeline 4 can pump out air which is expelled during the pressing of the graphite raw material through the through hole B312.
Further, the device further comprises a driving assembly 5, the driving assembly 5 drives the plunger body 31 and the plunger core 32 to lift together, the driving assembly 5 comprises an oil cylinder 51 and a first spring 52, one end of the first spring 52 is connected with the piston end of the oil cylinder 51, the other end of the first spring is connected with the plunger body 31, and the plunger core 32 is rigidly connected with the piston end of the oil cylinder 51.
It should be noted that, the first springs 52 are arrayed in four groups along the circumferential surface of the plunger body 31 at equal intervals, and the elastic force of the first springs 52 is sufficient to perform preliminary compaction on the graphite raw material.
As shown in fig. 6 and 7, the device further comprises a guiding unit 53, the guiding unit 53 is connected with the plunger body 31 and the oil cylinder 51, the guiding unit 53 comprises a guiding cylinder 531 and a guiding rod 532, and a limiting ring 5321 is arranged in the middle of the guiding rod 532 and can be matched and abutted with the top end of the guiding cylinder 531.
As shown in fig. 11, further, the lower surface of the plunger body 31 is provided as a flat plane, and when the stopper 5321 abuts against the top end of the guide cylinder 531, the lower surface of the plunger core 32 is flush with the lower surface of the plunger body 31.
It should be noted that, after the limit ring 5321 may be abutted against the top end of the guide cylinder 531, the lower surface of the plunger core 32 is flush with the lower surface of the plunger body 31, and the plunger body 31 and the plunger core 32 descend synchronously to press the graphite raw material again, so as to ensure compaction.
As shown in fig. 5 and 6, the through hole D21 is further provided in the middle upper portion of the die cavity 2, and is higher than the top surface of the graphite raw material filled in the die cavity 2.
Further, the through hole C313 is provided as a kidney-shaped hole, and a longitudinal direction of the kidney-shaped hole is provided along an axial direction of the plunger body 31.
As shown in fig. 4, 8, 9, 10 and 11, further, the pushing unit 33 includes a pushing plate 331, a second spring 332, a limiting member 333 and a reset group 334, the plunger body 31 is radially provided with a pushing hole 314, the pushing plate 331 is slidably disposed in the pushing hole 314 along the length direction of the pushing hole 314, the second spring 332 elastically connects the pushing plate 331 with the plunger body 31, after the pushing plate 331 compresses the second spring 332, the limiting member 333 locks and limits the pushing plate 331, and the reset group 334 is disposed outside the plunger body 31 and pushes and resets the pushing plate 331.
Further, the limiting part 333 is driven to unlock through the connecting rod 335, the tail end of the connecting rod 335 is provided with an inclined plane, and in the descending process of the plunger body 31, the opening edge of the mold cavity 2 is pushed against the connecting rod 335 to push the limiting part 333 to unlock.
Further, the reset group 334 includes a push rod 3341 and a guide rail block 3342, the push rod 3341 is slidably connected with the plunger body 31, the guide rail block 3342 is disposed at the tail end of the push rod 3341, and the guide rail block 3342 is rigidly and fixedly connected with the die cavity 2.
Further, a brush 33411 is disposed at the front end of the push rod 3341, the guide rail block 3342 includes a pushing portion 33421 and a vertical portion 33422, a rack 3343 is disposed on one side of the vertical portion 33422, and a gear 33412 capable of being engaged with the rack 3343 is disposed at the tail of the push rod 3341.
It should be noted that the push rod 3341 is used for resetting the push plate 331 and cleaning the surface of the push plate 331 to prevent graphite raw material from adhering to the surface of the push plate 331.
Example two
The invention also provides a graphite molding method for molding an artwork by adopting the equipment in the first embodiment, which comprises the following steps:
step one, filling raw materials, and injecting the raw materials into the die cavity 2 after the plunger assembly 3 is separated from the die cavity 2;
step two, preliminary vacuumizing, namely lowering the plunger assembly 3 to enable the plunger body 31 to be matched and sealed with the inner wall of the die cavity 2, and opening vacuum pumping equipment to pump air out of the die cavity 2 through the negative pressure adsorption pipeline 4;
step three, an initial pressing procedure, namely continuously pressing the upper surface of the raw material by pressing the plunger body 31 downwards, and continuously pumping air from the raw material through the inner cavity of the plunger body 31 by the negative pressure adsorption pipeline 4;
step four, a compacting procedure, in which in the step three, part of raw materials are formed into an upper convex body through a through hole B312 in the process of pressing and vacuumizing, then a pushing unit 33 pushes away the upper convex raw materials so that the rest part of the upper convex raw materials are higher than a pressing plane of a plunger body 31 by 1-2 mm, and then a plunger core 32 compacts the higher raw materials;
step five, the process is exited, the plunger assembly 3 is reversely separated from the die cavity 2, the pushing unit 33 pushes the redundant raw materials out of the plunger body 31, and the reset group 334 cleans and resets the pushing unit 33.
The working steps are as follows:
step one, filling graphite raw materials into a die cavity 2, driving a plunger body 31 and a plunger core 32 to descend by a driving assembly 5, and pumping air out of the die cavity 2 by a negative pressure adsorption pipeline 4 after the plunger body 31 is matched and sealed with the die cavity 2;
step two, the plunger body 31 continues to move downwards until contacting the upper surface of the graphite raw material, at the moment, the through hole D21 is communicated with the through hole C313 in a matched manner, the negative pressure adsorption pipeline 4 pumps air out of the inner cavity of the plunger body 31 through the through hole C313, and meanwhile, the plunger body 31 presses the graphite raw material;
step three, in step two, the graphite raw material is extruded to rise from the through hole B312 to form a boss, and at this time, the limiting part 333 unlocks the limitation of the push plate 331, and the push plate 331 pushes the raised graphite raw material to leave the through hole B312;
step four, the driving assembly 5 continues to drive the plunger body 31 and the plunger core 32 to descend, and the plunger core 32 descends to press the graphite raw material in the through hole B312 to be flush with the bottom surface of the plunger body 31;
and fifthly, after the pressing is finished, the plunger body 31 and the plunger core 32 are lifted, after the plunger body 31 is separated from the die cavity 2, the push plate 331 pushes out the excessive graphite raw material from the plunger body 31 completely, and then the reset group 334 cleans the surface of the push plate 331 and pushes and resets.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. Graphite processing equipment of compression molding handicraft, including base (1) and set up in die cavity (2) on base (1), its characterized in that still includes:
plunger subassembly (3), plunger subassembly (3) include plunger body (31), plunger core (32) and pushing away material unit (33), the inside cavity of plunger body (31) sets up and is provided with through-hole A (311) and through-hole B (312) respectively at upper and lower both ends thereof, plunger core (32) with through-hole A (311) coaxial setting and relative plunger body (31) slip, the bottom of plunger core (32) with through-hole B (312) match, set up the inner chamber of this plunger body (31) of through-hole C (313) intercommunication on the lateral wall of plunger body (31), through-hole D (21) intercommunication negative pressure adsorption pipeline (4) have been seted up to the lateral wall of die cavity (2).
The device comprises a plunger body (31) and a plunger core (32), and is characterized by further comprising a driving assembly (5), wherein the driving assembly (5) drives the plunger body (31) and the plunger core (32) to lift together, the driving assembly (5) comprises an oil cylinder (51) and a first spring (52), one end of the first spring (52) is connected with the end part of the piston of the oil cylinder (51) and the other end of the first spring is connected with the plunger body (31), and the plunger core (32) is rigidly connected with the end part of the piston of the oil cylinder (51);
the guide unit (53) is connected between the plunger body (31) and the oil cylinder (51), the guide unit (53) comprises a guide cylinder (531) and a guide rod (532), and a limit ring (5321) is arranged in the middle of the guide rod (532) and can be matched and abutted with the top end of the guide cylinder (531);
the through hole D (21) is arranged at the middle upper part of the die cavity (2) and is higher than the top surface of the graphite raw material filled in the die cavity (2); the through hole C (313) is formed as a kidney-shaped hole, and the length direction of the kidney-shaped hole is arranged along the axial direction of the plunger body (31).
2. The graphite processing apparatus of a compression molding process as set forth in claim 1, wherein a lower surface of the plunger body (31) is provided as a flat plane, and when the stopper ring (5321) abuts against the top end of the guide cylinder (531), the lower surface of the plunger core (32) is flush with the lower surface of the plunger body (31).
3. The graphite processing equipment for compression molding artware according to claim 1, wherein the pushing unit (33) comprises a pushing plate (331), a second spring (332), a limiting piece (333) and a reset group (334), the plunger body (31) is radially provided with a pushing hole (314) along the radial direction of the pushing plate, the pushing plate (331) is slidably arranged in the pushing hole (314) along the length direction of the pushing hole (314), the second spring (332) elastically connects the pushing plate (331) with the plunger body (31), the limiting piece (333) locks and limits the pushing plate (331) after the pushing plate (331) compresses the second spring (332), and the reset group (334) is arranged on the outer side of the plunger body (31) and pushes and resets the pushing plate (331).
4. A graphite processing apparatus for a compression molding artwork according to claim 3, wherein the limiting member (333) is unlocked by driving the connecting rod (335), the tail end of the connecting rod (335) is provided with an inclined plane, and in the process of descending the plunger body (31), the opening edge of the mold cavity (2) is pushed against the connecting rod (335) to unlock the limiting member (333).
5. A graphite processing equipment for a compression molding artwork according to claim 3, wherein the reset group (334) comprises a push rod (3341) and a guide rail block (3342), the push rod (3341) is slidably connected with respect to the plunger body (31), the guide rail block (3342) is disposed at the tail end of the push rod (3341), and the guide rail block (3342) is rigidly fixedly connected with the mold cavity (2).
6. The graphite processing apparatus of claim 5, wherein a brush (33411) is provided at a front end of the push rod (3341), the guide rail block (3342) includes a jacking portion (33421) and a vertical portion (33422), a rack (3343) is provided at one side of the vertical portion (33422), and a gear (33412) matably meshed with the rack (3343) is provided at a tail of the push rod (3341).
7. A graphite molding method using a graphite processing apparatus for compression molding an artwork according to claim 6, comprising the steps of:
step one, filling raw materials, and injecting the raw materials into a die cavity (2) after a plunger assembly (3) is separated from the die cavity (2);
step two, preliminary vacuumizing, namely lowering the plunger assembly (3) to enable the plunger body (31) to be matched and sealed with the inner wall of the die cavity (2), and opening vacuum pumping equipment to pump air out of the die cavity (2) through the negative pressure adsorption pipeline (4);
step three, an initial pressing procedure, namely continuously pressing the upper surface of the raw material by pressing the plunger body (31), and continuously pumping air from the raw material through the inner cavity of the plunger body (31) by the negative pressure adsorption pipeline (4);
step four, a compacting procedure, wherein in the step three, partial raw materials are formed into an upper convex body through a through hole B (312) in the pressing and vacuumizing process, then a pushing unit (33) pushes away the upper convex raw materials so that the rest part of the upper convex raw materials are higher than a pressing plane of a plunger body (31) by 1-2 mm, and then a plunger core (32) compacts the higher raw materials;
and fifthly, exiting the working procedure, reversely separating the plunger assembly (3) from the die cavity (2), pushing the redundant raw materials out of the plunger body (31) by the pushing unit (33), and cleaning and resetting the pushing unit (33) by the resetting group (334).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195140.3A CN114571776B (en) | 2022-03-02 | 2022-03-02 | Graphite processing equipment for compression molding artware and molding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195140.3A CN114571776B (en) | 2022-03-02 | 2022-03-02 | Graphite processing equipment for compression molding artware and molding method thereof |
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| CN114571776A CN114571776A (en) | 2022-06-03 |
| CN114571776B true CN114571776B (en) | 2023-08-22 |
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| CN112373105A (en) * | 2020-09-30 | 2021-02-19 | 中钢集团新型材料（浙江）有限公司 | Graphite product production equipment with gorgeous surface color |
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| CN215551212U (en) * | 2021-05-06 | 2022-01-18 | 武陟县虹桥碳素有限责任公司 | Mould of square graphite crucible in four holes |
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| CN105856476A (en) * | 2016-05-26 | 2016-08-17 | 广州晶品智能压塑科技股份有限公司 | Stable and smooth block press structure with low failure rate |
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| CN113370572A (en) * | 2020-02-25 | 2021-09-10 | 上海神力科技有限公司 | Flexible graphite vacuum forming device |
| CN111688257A (en) * | 2020-05-07 | 2020-09-22 | 无锡宝亿沣密封材料有限公司 | Molding process and device of graphite packing ring |
| CN212979351U (en) * | 2020-06-15 | 2021-04-16 | 嘉兴飞杰机械科技有限公司 | Die assembly for powder forming press |
| CN112373105A (en) * | 2020-09-30 | 2021-02-19 | 中钢集团新型材料（浙江）有限公司 | Graphite product production equipment with gorgeous surface color |
| CN215551212U (en) * | 2021-05-06 | 2022-01-18 | 武陟县虹桥碳素有限责任公司 | Mould of square graphite crucible in four holes |
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| CN114571776A (en) | 2022-06-03 |
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