CN114571776A - 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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- CN114571776A CN114571776A CN202210195140.3A CN202210195140A CN114571776A CN 114571776 A CN114571776 A CN 114571776A CN 202210195140 A CN202210195140 A CN 202210195140A CN 114571776 A CN114571776 A CN 114571776A
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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
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- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention provides graphite processing equipment for compression molding artware and a molding method thereof, wherein the equipment comprises a base and a mold cavity arranged on the base, and further comprises: the plunger assembly comprises a plunger body, a plunger core and a material pushing unit, wherein the plunger body is arranged in a hollow mode, a through hole A and a through hole B are formed in the upper end and the lower end of the plunger body respectively, the plunger core and the through hole A are arranged coaxially and slide 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 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 communicated with a negative pressure adsorption pipeline; the process comprises the automatic operation of filling raw materials, primary vacuumizing, primary pressing, compacting and withdrawing. Through the mould pressing work of the graphite raw material, the negative pressure is divided into two times to extract air, so that the 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
As a new ornament, the graphite handicraft is widely pursued by the market due to the advantages of good texture and color, difficult fading and aging. But the raw material for manufacturing the graphite artware, namely graphite, has certain requirements, mainly the density of the graphite artware needs to be more than 1.80g/cm 3; in addition, for the long artware and the artware with the same size difference in the width direction and the height direction, the compression molding process is adopted, so that the graphite material can be saved, the production efficiency is high, and the method has more outstanding advantages.
Problems and disadvantages of the prior art: at present, few manufacturers specially manufacturing graphite artware on the market are available, and the main reasons are that the cost of the graphite raw material is high, and the performance requirement of the graphite material is high, so that the economic benefit of the conventional production process is poor. This problem is particularly acute for pressing thicker articles, where uneven body density of the article is a major disadvantage for conventional compression molding processes.
Chinese patent application No. CN201610357498.6 discloses a stable, smooth and low-failure-rate die press structure, which comprises a frame, a pressing module, a feeding and discharging mechanism and a bottle cap output rail assembly; the pressing module comprises a die pressing plate rotating shaft, an upper die pressing plate and a lower die pressing plate; 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 and falling discharging system is arranged for the feeding and discharging mechanism and comprises a first hopper, a second hopper and an abnormal glue collecting box; and an infrared automatic counter and a plurality of bad detection units for detecting different items are arranged on the conveying track of the bottle cap output track assembly.
However, in the technical scheme, air in the graphite raw material cannot be discharged in the die pressing process of the graphite raw material, so that the finished product has low density and is easy to loose and peel.
Disclosure of Invention
One of the purposes of the invention is to provide graphite processing equipment for compression molding artware aiming at the defects of the prior art, wherein the compression molding work of graphite raw materials is divided into two times of negative pressure air extraction: after the plunger body descends and is matched and sealed with the die cavity, the negative pressure adsorption pipeline adsorbs and extracts air in the die cavity to preliminarily form vacuum; secondly, when the plunger body pushes down the extrusion graphite raw materials, the negative pressure adsorption pipeline can be taken out the air that drives out when the graphite raw materials extrusion through-hole B for the presswork finished product is inseparabler, promotes off-the-shelf closely knit degree, has solved the mould pressing in-process of graphite raw materials among the background art, can not discharge the air in the graphite raw materials, leads to off-the-shelf density lower, the problem of easy loose peeling off.
In order to achieve the purpose, the invention provides the following technical scheme:
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:
the plunger assembly comprises a plunger body, a plunger core and a material pushing unit, wherein the plunger body is hollow, and a through hole A and a through hole B are respectively formed in the upper end and the lower end of the plunger body, the plunger core is coaxially arranged with the through hole A and is opposite to the through hole A, the bottom of the plunger core is matched with the through hole B, an inner cavity of the plunger body communicated with the through hole C is formed in the side wall of the plunger body, and a negative pressure adsorption pipeline communicated with the through hole D is formed in the side wall of the die cavity.
As an improvement, the plunger type hydraulic cylinder further comprises a driving assembly, the driving assembly simultaneously drives the plunger body and the plunger core to lift together, the driving assembly comprises an oil cylinder and a first spring, one end of the first spring is connected with the piston end part 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 piston end part of the oil cylinder.
As an improvement, the plunger piston type oil cylinder further comprises a guide unit, wherein the connecting and guiding unit is connected with the plunger piston body and the oil cylinder, the guide unit comprises a guide cylinder and a guide rod, and the middle part of the guide rod is provided with a limiting ring which 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 mold cavity and is higher than the top surface of the graphite raw material filled in the mold cavity.
As an improvement, the through hole C is a waist-shaped hole, and the length direction of the waist-shaped hole is arranged along the axial direction of the plunger body.
As an improvement, the pushing unit includes a pushing plate, a second spring, a limiting member, and a resetting group, the plunger body is provided with a pushing hole along a radial direction of the plunger body, the pushing plate is slidably disposed in the pushing hole along a length direction of the pushing hole, the second spring elastically connects the pushing plate with the plunger body, the limiting member locks and limits the pushing plate after the pushing plate compresses the second spring, and the resetting group is disposed on an outer side of the plunger body and pushes the pushing plate to reset.
As the improvement, the locating part passes through the connecting rod drive unblock, the tail end of connecting rod sets up to the inclined plane, the plunger body descends the in-process, the mouth of die cavity is along conflicting to order about the connecting rod jacking is right the locating part unblock.
As an improvement, the resetting group comprises a push rod and a guide rail block, the push rod is in sliding connection relative to the plunger body, the guide rail block is arranged at the tail end of the push rod, and the guide rail block is rigidly and fixedly connected with the die cavity.
As an improvement, the front end of the push rod is provided with a hairbrush, the guide rail block comprises a jacking portion and a vertical portion, one side of the vertical portion is provided with a rack, and the tail portion of the push rod is provided with a gear which can be engaged with the rack in a matched mode.
The second purpose of the invention is to provide a graphite molding method of compression molding handicraft aiming at the defects of the prior art, and the secondary vacuum pumping of the pressing engineering is realized and the bulk density of the finished product is enhanced through the automatic operation of raw material filling, primary vacuum pumping, primary pressing procedure, compaction procedure and withdrawing procedure.
In order to achieve the purpose, the invention provides the following technical scheme:
a graphite molding method for compression molding artware is characterized by comprising the following steps:
filling raw materials, and injecting the raw materials into a mold cavity after a plunger assembly is separated from the mold cavity;
secondly, performing primary vacuum pumping, descending the plunger assembly to enable the plunger body to be matched and sealed with the inner wall of the mold cavity, and opening vacuum pumping equipment to pump air out of the interior of the mold cavity through a negative pressure adsorption pipeline;
step three, an initial pressing procedure, namely, the plunger body is continuously pressed down to contact the upper surface of the raw material for pressing, and meanwhile, the negative pressure adsorption pipeline continuously pumps air out of the raw material through the inner cavity of the plunger body;
step four, a compaction procedure, namely in the step three, in the process of pressing and vacuumizing the raw materials, forming an upward convex body by passing part of the raw materials through the through hole B, then pushing the upward convex raw materials by the pushing unit to enable the rest part of the upward convex raw materials to be 1-2 mm higher than the pressing plane of the plunger body, and then compacting the raised raw materials by the plunger core;
and step five, the procedure is withdrawn, the plunger assembly reversely breaks away from the die cavity, the material pushing unit pushes the redundant raw materials out of the plunger body, and meanwhile the material pushing unit is cleaned and reset by the reset group.
The invention has the beneficial effects that:
(1) the invention divides the molding work of the graphite raw material into two times of negative pressure air extraction: after the plunger body descends and is matched and sealed with the die cavity, the negative pressure adsorption pipeline adsorbs and extracts air in the die cavity to preliminarily form vacuum; secondly, when the plunger body presses and extrudes the graphite raw material, the negative pressure adsorption pipeline can pump out air expelled during the extrusion of the graphite raw material through the through hole B, so that the pressed finished product is more compact, the compactness of the finished product is improved, and secondary vacuum pumping of the pressing engineering is realized through automatic operation of raw material filling, preliminary vacuum pumping, preliminary pressing procedures, compacting procedures and withdrawing procedures, and the bulk density of the finished product is enhanced;
(2) according to the invention, after the limiting ring can be 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 as to ensure compaction;
(3) the push rod is used for resetting the push plate, and simultaneously cleaning the surface of the push plate, so that the graphite raw material is prevented from being bonded on 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 view of the overall structure of the present invention;
FIG. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;
FIG. 5 is a schematic sectional view taken along line B-B in FIG. 3;
FIG. 6 is a second cross-sectional view taken along line B-B in FIG. 3;
FIG. 7 is an enlarged view of the point C in FIG. 4;
FIG. 8 is an enlarged view of FIG. 4 at D;
FIG. 9 is a schematic cross-sectional view of the plunger body of the present invention shown removed from the mold cavity;
FIG. 10 is a schematic left side view of the pushing unit of the present invention;
FIG. 11 is a schematic cross-sectional view of a pressing process of the present invention;
FIG. 12 is a process flow diagram 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.
In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 1 to 5, the present invention provides graphite processing equipment for a compression molding handicraft, including a base 1, a mold cavity 2 and a plunger assembly 3, which are arranged on the base 1, wherein the plunger assembly 3 includes a plunger body 31, a plunger core 32 and a material pushing unit 33, the plunger body 31 is arranged in a hollow manner, and 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 arranged on the side wall of the plunger body 31 to communicate with the inner cavity of the plunger body 31, and a through hole D21 is arranged on the side wall of the mold cavity 2 to communicate with a negative pressure adsorption pipeline 4.
It should be noted that the molding operation of the graphite raw material is divided into two times of negative pressure air extraction: after the plunger body 31 descends and is matched and sealed with the die cavity 2, the negative pressure adsorption pipeline 4 adsorbs and extracts air in the die cavity 2 to preliminarily form vacuum; secondly, when the plunger body 31 presses and extrudes the graphite raw material, the negative pressure adsorption pipeline 4 can extract the air expelled during the extrusion of the graphite raw material through the through hole B312.
Further, the driving assembly 5 is further included, the driving assembly 5 simultaneously drives the plunger body 31 and the plunger core 32 to ascend and descend together, the driving assembly 5 includes an oil cylinder 51 and a first spring 52, one end of the first spring 52 is connected to a piston end of the oil cylinder 51, the other end of the first spring is connected to the plunger body 31, and the plunger core 32 is rigidly connected to the piston end of the oil cylinder 51.
It should be noted that the first springs 52 are arranged in four groups at equal intervals along the circumferential surface of the plunger body 31, 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 plunger assembly further includes a guiding unit 53, the guiding unit 53 is connected to the plunger body 31 and the oil cylinder 51, the guiding unit 53 includes a guiding cylinder 531 and a guiding rod 532, and a limiting ring 5321 is disposed in the middle of the guiding rod 532 and can be in interference with the top end of the guiding cylinder 531.
As shown in fig. 11, further, the lower surface of the plunger body 31 is 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 limiting ring 5321 is engaged with and abutted against the top end of the guiding 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 at the middle upper portion of the cavity 2, which is higher than the top surface of the graphite material filled in the cavity 2.
Further, the through hole C313 is provided as a kidney-shaped hole, and a length 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, the pushing unit 33 further includes a pushing plate 331, a second spring 332, a limiting member 333 and a reset group 334, the plunger 31 has a pushing hole 314 along a radial direction thereof, the pushing plate 331 is slidably disposed in the pushing hole 314 along a longitudinal direction of the pushing hole 314, the second spring 332 elastically connects the pushing plate 331 and the plunger 31, the limiting member 333 locks and limits the pushing plate 331 after the pushing plate 331 compresses the second spring 332, and the reset group 334 is disposed outside the plunger 31 and pushes and resets the pushing plate 331.
Furthermore, the limiting part 333 is driven by a connecting rod 335 to unlock, the tail end of the connecting rod 335 is set to be an inclined surface, and during the descending process of the plunger body 31, the mouth edge of the mold cavity 2 abuts against and drives the connecting rod 335 to jack in to unlock the limiting part 333.
Further, the reset group 334 includes a push rod 3341 and a guide block 3342, the push rod 3341 is slidably connected to the plunger body 31, the guide block 3342 is disposed at a rear end of the push rod 3341, and the guide block 3342 is rigidly connected to the mold 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 at one side of the vertical portion 33422, and a gear 33412 engaged with the rack 3343 is disposed at the rear end 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 the graphite material from adhering to the surface of the push plate 331.
Example two
The invention also provides a graphite molding method for the equipment compression molding handicraft article in the first embodiment, which comprises the following steps:
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;
secondly, performing primary vacuum pumping, descending 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, in the initial pressing process, the plunger body 31 is continuously pressed down to contact the upper surface of the raw material for pressing, and meanwhile, the negative pressure adsorption pipeline 4 continuously pumps air out of the raw material through the inner cavity of the plunger body 31;
step four, a compaction procedure, in the step three, during the pressing and vacuumizing processes of the raw materials, part of the raw materials pass through the through hole B312 to form an upward convex body, then the material pushing unit 33 pushes away the upward convex raw materials to enable the rest of the upward convex raw materials to be 1-2 mm higher than the pressing plane of the plunger body 31, and then the plunger core 32 compacts the raised raw materials;
and step five, the process is withdrawn, the plunger assembly 3 reversely breaks away from the die cavity 2, the pushing unit 33 pushes the redundant raw materials out of the plunger body 31, and the resetting group 334 cleans and resets the pushing unit 33.
The working steps are as follows:
filling a graphite raw material into a mold cavity 2, driving a plunger body 31 and a plunger core 32 to descend by a driving assembly 5, and after the plunger body 31 and the mold cavity 2 are matched and sealed, exhausting air from the mold cavity 2 by a negative pressure adsorption pipeline 4;
step two, the plunger body 31 continues to move downwards until the plunger body contacts the upper surface of the graphite raw material, at the moment, the through hole D21 is communicated with the through hole C313 in a matching 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 the step two, the graphite raw material is extruded to rise from the through hole B312 to form a boss, at the moment, the limit piece 333 limits and unlocks the push plate 331, and the push plate 331 pushes the raised graphite raw material to leave the through hole B312;
step four, then 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 step five, after the pressing is finished, the plunger body 31 and the plunger core 32 rise, after the plunger body 31 is separated from the die cavity 2, the push plate 331 pushes the redundant graphite raw materials out of the plunger body 31 completely, and then the reset group 334 pushes and resets after cleaning the surface of the push plate 331.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a graphite processing equipment of compression molding handicraft, includes 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 push away material unit (33), the inside cavity of plunger body (31) sets up and be provided with through-hole A (311) and through-hole B (312) respectively at its upper and lower both ends, plunger core (32) with through-hole A (311) coaxial arrangement just relatively plunger body (31) slide, the bottom of plunger core (32) with through-hole B (312) match, set up through-hole C (313) on the lateral wall of plunger body (31) and communicate the inner chamber of this 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).
2. The graphite processing equipment for compression molding artware according to claim 1, further comprising a driving assembly (5), wherein the driving assembly (5) drives the plunger body (31) and the plunger core (32) to ascend and descend simultaneously, the driving assembly (5) comprises a cylinder (51) and a first spring (52), one end of the first spring (52) is connected with the piston end of the 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 piston end of the cylinder (51).
3. The graphite processing equipment for the compression molding artware, according to claim 1, further comprising a guide unit (53), wherein the guide unit (53) is connected with 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 against the top end of the guide cylinder (531).
4. A graphite processing apparatus for a compression molding handicraft according to claim 3, wherein the lower surface of the plunger body (31) is set to 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).
5. The graphite processing equipment for compression molding artware according to claim 1, wherein the through hole D (21) is arranged at the middle upper part of the mold cavity (2) and is higher than the top surface of the graphite raw material filled in the mold cavity (2); the through hole C (313) is a waist-shaped hole, and the length direction of the waist-shaped hole is arranged along the axial direction of the plunger body (31).
6. The graphite processing equipment for the compression molding handicraft according to claim 1, wherein the pushing unit (33) comprises a pushing plate (331), a second spring (332), a limiting piece (333) and a resetting group (334), the plunger body (31) is provided with a pushing hole (314) along the radial direction of the plunger body, the pushing plate (331) is arranged in the pushing hole (314) in a sliding manner along the length direction of the pushing hole (314), the second spring (332) elastically connects the pushing plate (331) and the plunger body (31), the limiting piece (333) limits the pushing plate (331) after the pushing plate (331) compresses the second spring (332), and the resetting group (334) is arranged on the outer side of the plunger body (31) and pushes and resets the pushing plate (331).
7. The graphite processing equipment for compression molding artware according to claim 6, wherein the limiting piece (333) is driven to unlock by a connecting rod (335), the tail end of the connecting rod (335) is provided with a slope, and during the descending process of the plunger body (31), the mouth edge of the mold cavity (2) is abutted to drive the connecting rod (335) to jack in to unlock the limiting piece (333).
8. The graphite processing apparatus for compression molding of artware according to claim 6, wherein the reset block (334) comprises a push rod (3341) and a guide block (3342), the push rod (3341) is slidably connected with respect to the plunger body (31), the guide block (3342) is arranged at the tail end of the push rod (3341), and the guide block (3342) is rigidly connected with the mold cavity (2).
9. The graphite processing apparatus for compression molding of artware according to claim 8, wherein the front end of the push rod (3341) is provided with a brush (33411), the guide rail block (3342) comprises an advancing portion (33421) and a vertical portion (33422), one side of the vertical portion (33422) is provided with a rack (3343), and the rear portion of the push rod (3341) is provided with a gear (33412) which is fittingly engaged with the rack (3343).
10. A graphite molding method for compression molding artware is characterized by comprising the following steps:
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);
secondly, performing primary vacuum pumping, descending 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 interior of the die cavity (2) through the negative pressure adsorption pipeline (4);
step three, in the initial pressing procedure, the plunger body (31) continues to be pressed down to contact the upper surface of the raw material for pressing, and meanwhile, the negative pressure adsorption pipeline (4) continues to pump air out of the raw material through the inner cavity of the plunger body (31);
step four, a compaction procedure, in the step three, during the pressing and vacuumizing processes of the raw materials, part of the raw materials pass through the through hole B (312) to form an upward convex body, then the material pushing unit (33) pushes away the upward convex raw materials to enable the rest of the upward convex raw materials to be 1-2 mm higher than the pressing plane of the plunger body (31), and then the plunger core (32) compacts the raised raw materials;
and step five, the process is withdrawn, the plunger assembly (3) reversely breaks away from the die cavity (2), the pushing unit (33) pushes the redundant raw materials out of the plunger body (31), and the pushing unit (33) is cleaned and reset by the resetting group (334).
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 true CN114571776A (en) | 2022-06-03 |
| CN114571776B CN114571776B (en) | 2023-08-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116021610A (en) * | 2023-02-22 | 2023-04-28 | 沈阳聚创材料与成型工程技术研究有限公司 | Magnesia carbon brick former |
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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 |
| 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 |
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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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| JP2015042418A (en) * | 2013-07-26 | 2015-03-05 | 株式会社三井ハイテック | Manufacturing device and manufacturing method of thin uneven member |
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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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116021610A (en) * | 2023-02-22 | 2023-04-28 | 沈阳聚创材料与成型工程技术研究有限公司 | Magnesia carbon brick former |
| CN116021610B (en) * | 2023-02-22 | 2023-11-24 | 辽宁欣立耐火材料科技集团有限公司 | Magnesia carbon brick former |
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| CN114571776B (en) | 2023-08-22 |
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