CN112372921A - Preparation method of ultrahigh-power graphite electrode - Google Patents
Preparation method of ultrahigh-power graphite electrode Download PDFInfo
- Publication number
- CN112372921A CN112372921A CN202011273753.1A CN202011273753A CN112372921A CN 112372921 A CN112372921 A CN 112372921A CN 202011273753 A CN202011273753 A CN 202011273753A CN 112372921 A CN112372921 A CN 112372921A
- Authority
- CN
- China
- Prior art keywords
- plate
- cover plate
- sealing
- graphite electrode
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 65
- 239000010439 graphite Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 100
- 238000007789 sealing Methods 0.000 claims description 85
- 238000000034 method Methods 0.000 claims description 25
- 230000003139 buffering effect Effects 0.000 claims description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011300 coal pitch Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011331 needle coke Substances 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3607—Moulds for making articles of definite length, i.e. discrete articles with sealing means or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B29C2043/3405—Feeding the material to the mould or the compression means using carrying means
- B29C2043/3427—Feeding the material to the mould or the compression means using carrying means hopper, vessel, chute, tube, conveying screw, for material in discrete form, e.g. particles or powder or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3613—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons applying pressure locally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
- B29C2043/3652—Elastic moulds or mould parts, e.g. cores or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
- B29C2043/5092—Removing moulded articles using vibrations means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a preparation method of an ultrahigh-power graphite electrode, which relates to the technical field of graphite preparation, and uses an ultrahigh-power graphite electrode preparation mold, wherein the electrode preparation mold comprises an upper cover plate and a lower cover plate which are rotatably connected, the lower cover plate is erected on the ground of a vehicle frame through an installation frame, the upper cover plate is positioned above the lower cover plate, profiling devices are sequentially arranged in a mold cavity, a feeding pipe for feeding a graphite electrode preparation raw material into the profiling devices is arranged on each profiling device, and an opening and closing device is arranged between the feeding pipe and the profiling devices to control the feeding and discharging of the graphite electrode preparation raw material.
Description
Technical Field
The invention relates to the technical field of graphite electrodes, in particular to a preparation method of an ultrahigh-power graphite electrode.
Background
The graphite conductive material is called a graphite electrode, the graphite electrode mainly takes petroleum coke and needle coke as raw materials, coal pitch as a binding agent, the transmission of the conventional graphite electrode can reach ultrahigh power, and compared with the conventional metal conductor, the graphite electrode has the advantages of lower price, smaller weight and more favor; in short, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, the graphite electrode is also used in the preparation process, and the specifications of the graphite electrodes manufactured by different mold styles are different.
If the chinese patent of bulletin number CN210256924U discloses a graphite electrode mold processing, including left mould seat and right mould seat, left side mould seat and right mould seat constitute by mould bottom plate, pneumatic cylinder and semicircle mould, and the one end fixed mounting of semicircle mould has the feed head bottom plate, and the top fixed mounting of feed head bottom plate has the feed head, and the inner chamber has been seted up to the inside of feed head, and one side fixed mounting of inner chamber inner wall has interior pole, and the feed mouth has been seted up to the one end of feed head, the utility model relates to a graphite electrode mold processing sets up solitary feed mouth mould seat left and the inside pouring pitch of right mould seat, conveniently maintains and the inspection, and pneumatic cylinder drives the semicircle mould removal simultaneously, and is more swift when the drawing of patterns, the transportation of being convenient for after the drawing of patterns simultaneously.
The problem of mould drawing of patterns difficulty has been solved to prior art among the above-mentioned, but when producing graphite electrode through foretell mould, a graphite electrode can only be produced to a mould, and current demand base all is the large-scale application of batch production basically, and is all higher to graphite electrode's demand, so use foretell mould production graphite electrode efficiency lower, work load is great, is difficult to the burden and accords with current large-scale production to graphite electrode, so still have the space that can improve.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a preparation method of an ultrahigh-power graphite electrode, which has the effects of large-scale production and improvement of actual production efficiency.
The above object of the present invention is achieved by the following technical solutions:
a preparation method of an ultrahigh power graphite electrode uses an ultrahigh power graphite electrode preparation mold, the electrode preparation mold comprises an upper cover plate and a lower cover plate which are rotatably connected, the lower cover plate is erected on the ground of a frame through a mounting frame, the upper cover plate is positioned above the lower cover plate, a profiling device is sequentially arranged in a mold cavity, a feeding pipe for feeding graphite electrode preparation raw materials into the profiling device is arranged on the profiling device, and an opening and closing device is arranged between the feeding pipe and the profiling device to control the feeding and the discharging of the graphite electrode preparation raw materials, wherein the feeding pipe is provided with a feeding hole;
the compression molding device comprises an upper pressing plate, a lower pressing plate, an embedding block, an embedding groove and a sealing device, wherein the upper pressing plate is arranged on the upper cover plate and is sequentially arranged along the extending direction of the upper cover plate, the lower pressing plate is arranged on the lower cover plate and corresponds to the upper pressing plate, the embedding blocks are integrally arranged on the upper pressing plate and are abutted against the lower pressing plate, the embedding groove is formed in the lower pressing plate and is used for the embedding block to be embedded and clamped, a mold cavity is formed between the upper pressing plate and the lower pressing plate, the sealing device is arranged between the upper pressing plate and the lower pressing plate and is positioned at two ends of the mold cavity so as to seal the mold cavity, and the feeding pipe is arranged on the upper pressing plate and is communicated with the mold cavity;
the sealing device comprises a fixing frame, an upper clamping groove, a lower clamping groove, an extrusion air bag and a sealing plate, wherein the upper clamping groove is formed in two ends of an upper pressing plate, the lower clamping groove is formed in two ends of a lower pressing plate and corresponds to the upper clamping groove, the fixing frame is arranged on the upper pressing plate and located in the upper clamping groove and clamped with the lower clamping groove, the sealing plate is arranged on one side, close to a die cavity, of the fixing frame and elastically abutted against the bottom of the upper clamping groove and the bottom of the lower clamping groove, and the extrusion air bag is arranged between the fixing frame and the sealing plate;
the opening and closing device comprises a fan-shaped sealing block, a sealing spherical hinge, a connecting rod, a driving cylinder, a sealing sleeve and a mounting groove, wherein the fan-shaped sealing block is rotatably mounted on the inner side wall of the feeding pipe and is in mutual abutting seal;
the method for preparing the graphite electrode by using the graphite electrode preparation mold comprises the following steps:
s1: sealing to form a cavity, covering the upper cover plate on the lower cover plate, and sealing two ends of the cavity through a sealing device to separate the cavity from the outside to form a closed space;
s2: opening and closing the feeding device, starting the driving cylinder to enable the fan-shaped sealing blocks to be mutually scattered, and feeding materials into the die cavity through the feeding pipe;
s3: closing and sealing, namely after the step S2, opening the driving cylinder again to drive the fan-shaped sealing blocks to mutually abut so as to plug the feeding pipe after the feeding in the die cavity is finished;
s4: cooling and forming, namely further pressing the raw materials through an upper pressing plate and a lower pressing plate, and reducing the temperature of the upper pressing plate and the lower pressing plate to enable the raw materials to be quickly formed;
s5: and (4) demolding and taking materials, taking the graphite electrode molded after the step S4 out, combining the graphite electrode into a cylinder, and collecting and arranging the graphite electrode in a unified manner.
As a preferred technical scheme, a pressing block is integrally arranged on one side, close to a die cavity, of the sealing plate, and the pressing block is in sliding contact with the side walls of the upper pressing plate and the lower pressing plate.
As a preferred technical scheme of the invention, a pressing device is arranged on one side, close to the die cavity, of the sector sealing block, the pressing device comprises an installation frame, a pressing cylinder and a pressing airbag, the installation frame is arranged on one side, close to the die cavity, of the sector sealing block, the pressing cylinder is sealed on the installation frame in a sliding manner, and the pressing airbag is arranged between the installation frame and the pressing cylinder and drives the pressing cylinder to extend into the die cavity so as to press the raw material into the die cavity.
As a preferred technical scheme of the invention, a vibration demoulding device is arranged on the lower cover plate, the vibration demoulding device comprises a bidirectional cylinder, a transmission rod, an adjusting rod, a sliding block, a sliding groove, a fixed cylinder and an inserting cylinder, the bidirectional cylinder is fixedly arranged on the lower cover plate, the transmission rod is fixedly connected with the output end of the bidirectional cylinder, the adjusting rod is rotatably arranged on the side wall of the lower cover plate, one end of the adjusting rod is rotatably connected with the end part of the adjusting rod far away from the bidirectional cylinder, the sliding block is rotatably arranged at one end of the adjusting rod far away from the transmission rod, the sliding groove is arranged on the lower pressure plate to move the sliding block for sliding limiting, the fixed cylinder is fixedly arranged on the lower cover plate and extends towards the lower pressure plate, and the inserting cylinder is fixedly arranged on the lower pressure;
and a buffer device is arranged between the upper cover plate and the upper pressure plate.
As a preferred technical scheme of the invention, a sleeved pressure spring which is sleeved in the inserting cylinder and elastically abutted against the lower pressure plate is arranged in the fixed cylinder.
As a preferred technical scheme, the buffer device comprises a vertical plate, a buffer pressure spring, buffer blocks, buffer elastic pieces and a gas spring, wherein the vertical plate is fixedly arranged on an upper cover plate and is arranged oppositely, one end of the buffer pressure spring is fixedly arranged on one side, close to the vertical plate, of the vertical plate, the buffer blocks are fixedly arranged at one end, far away from the vertical plate, of the buffer pressure spring, the buffer elastic pieces are fixedly arranged between the two buffer blocks and are fixedly connected with an upper pressure plate, one end of the gas spring is fixedly connected with the upper cover plate, and the other end of the gas spring is fixedly connected with the upper.
In summary, the invention includes at least one of the following beneficial technical effects:
1. by utilizing the matching between the profiling device and the upper cover plate and the lower cover plate, when the graphite electrode is produced, a plurality of graphite electrode materials on one side can be obtained only by buckling the opening of the upper cover plate onto the lower cover plate, the operation is convenient and fast, the efficiency of actual operation is improved, and the sealing performance of the device can be ensured after the upper cover plate is buckled onto the lower cover plate; in addition, the opening and closing device can quickly realize the sealing of the device after the raw materials are filled, so that the actual cooling operation is facilitated, and the convenience of the work is further improved;
2. the pressing block is arranged, so that the pressing block can be pressed into the die cavity in the process of inflating through the pressing air bag, the raw material in the die cavity is more compact, and the quality of the prepared graphite electrode material is higher; the pressing device can also further compact the raw materials in the die cavity, so that the device is guaranteed to be more compact, the occurrence of bubble holes on the surface of the prepared graphite electrode is reduced, and the actual preparation effect is improved;
3. the arrangement of the vibration demoulding device ensures that the graphite electrode material is more convenient and faster to separate from the die cavity in the demoulding process, thereby further accelerating the production efficiency.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic diagram of the main structure of the present invention.
Fig. 3 is a schematic structural view of the profiling apparatus.
Fig. 4 is a schematic view of the structure of the sealing device.
Fig. 5 is a schematic structural view of the opening and closing device and the pressing device.
FIG. 6 is a schematic view of the structure of the vibration mold release device and the buffering device.
In the figure, 1, an upper cover plate; 2. a lower cover plate; 3. a profiling device; 4. a feed pipe; 5. an opening and closing device; 31. an upper pressure plate; 32. a lower pressing plate; 33. embedding a block; 34. embedding a groove; 6. a sealing device; 35. a mold cavity; 61. a fixing frame; 62. an upper clamping groove; 63. a lower clamping groove; 64. extruding the air bag; 65. a sealing plate; 51. a sector sealing block; 52. sealing the spherical hinge; 53. a connecting rod; 54. a driving cylinder; 55. sealing sleeves; 56. mounting grooves; 651. a compression block; 7. a pressing device; 71. installing a frame; 72. a compression cylinder; 73. compressing the air bag; 8. vibrating the demoulding device; 81. a bidirectional cylinder; 82. a transmission rod; 83. adjusting a rod; 84. a sliding block; 85. a sliding groove; 86. a fixed cylinder; 87. inserting the cylinder; 9. a buffer device; 88. sleeving a pressure spring; 91. a vertical plate; 92. buffering a pressure spring; 93. a buffer block; 94. a buffering elastic sheet; 95. a gas spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 to 6, a method for manufacturing an ultra-high power graphite electrode according to the present invention is disclosed, in order to improve the manufacturing efficiency, an ultra-high power graphite electrode manufacturing mold is used; the electrode preparation mold comprises an upper cover plate 1 and a lower cover plate 2 which are connected in a rotating manner, wherein the upper cover plate 1 and the lower cover plate 2 are fixed in a buckling manner (not shown in the figure); the lower cover plate 2 is erected on the ground of the frame through a mounting frame, the upper cover plate 1 is positioned above the lower cover plate 2, a profiling device 3 is sequentially arranged between the upper cover plate 1 and the lower cover plate 2, a feeding pipe 4 for feeding the graphite electrode preparation raw materials into the profiling device 3 is arranged on the profiling device 3, and an opening and closing device 5 is arranged between the feeding pipe 4 and the profiling device 3 to control the feeding and discharging of the graphite electrode preparation raw materials; by utilizing the matching between the profiling device 3 and the upper cover plate 1 and the lower cover plate 2, when the graphite electrode is produced, only the opening of the upper cover plate 1 needs to be buckled on the lower cover plate 2, a plurality of graphite electrode materials on one side can be obtained, the operation is convenient and quick, the efficiency of actual operation is improved, and the sealing device 6 is arranged, so that the sealing performance of the device can be ensured after the upper cover plate 1 is buckled on the lower cover plate 2; in addition, the setting of headstock gear 5 makes the sealed of realizing the device that can be quick after having annotated the raw materials do benefit to actual cooling operation, further improves the convenience of work and gets the effect.
Referring to fig. 3 and 4, the profiling device 3 includes an upper pressing plate 31, a lower pressing plate 32, an embedding block 33, an embedding groove 34, and a sealing device 6; in this embodiment, the upper press plate 31 is disposed on the upper cover plate 1, and four blocks are sequentially disposed along the extending direction of the upper cover plate 1, and the specific number can be specifically set according to the actual situation; the lower pressing plate 32 is arranged on the lower cover plate 2 and corresponds to the upper pressing plate 31, the embedded block 33 is integrally arranged on the upper pressing plate 31 and is abutted against the lower pressing plate 32, the embedded groove 34 is arranged on the lower pressing plate 32 and is used for embedding and clamping the embedded block 33; after the upper cover plate 1 is covered on the lower cover plate 2, the embedding block 33 is clamped in the embedding groove 34, so that the part of the upper pressing plate 31, which is abutted against the lower pressing plate 32, forms a seal. A die cavity 35 is formed between the upper pressing plate 31 and the lower pressing plate 32, the sealing devices 6 are arranged between the upper pressing plate 31 and the lower pressing plate 32 and are positioned at two ends of the die cavity 35 to seal the die cavity 35, and the feeding pipe 4 is arranged on the upper pressing plate 31 and is communicated with the die cavity 35; after the cavity 35 is sealed by the sealing device 6, the raw material is injected into the cavity 35 through the feed pipe 4.
Referring to fig. 3 and 4, the sealing device 6 includes a fixing frame 61, an upper catching groove 62, a lower catching groove 63, an extruding air bag 64, and a sealing plate 65; in the embodiment, the upper clamping grooves 62 are formed at two ends of the upper pressing plate 31, the lower clamping grooves 63 are formed at two ends of the lower pressing plate 32 and correspond to the upper clamping grooves 62, the fixing frame 61 is arranged on the upper pressing plate 31 and positioned in the upper clamping grooves 62 and clamped with the lower clamping grooves 63, the sealing plate 65 is arranged at one side of the fixing frame 61 close to the mold cavity 35 and elastically abutted against the bottom of the upper clamping grooves 62 and the bottom of the lower clamping grooves 63, and the extrusion air bag 64 is arranged between the fixing frame 61 and the sealing plate 65; in the process of actual operation, after the upper plate 31 is buckled on the lower plate 32, the sealing plate 65 is driven to be compressed onto the side walls of the upper clamping groove 62 and the lower clamping groove 63 by inflating the extrusion air bag 64, so that the sealing state in the die cavity 35 can be ensured.
As shown in fig. 4, a pressing block 651 is integrally disposed on a side of the sealing plate 65 close to the mold cavity 35, and the pressing block 651 slidably abuts against the side walls of the upper platen 31 and the lower platen 32. In the process of actually inflating the extrusion airbag 64, the pressing block 651 slides into the die cavity 35 and is abutted against the inner side walls of the upper pressing plate 31 and the lower pressing plate 32, so that the raw material in the die cavity 35 is further pressed, the probability of occurrence of bubble holes on the surface of the worthy graphite electrode material is reduced, and the actual production effect is improved.
Referring to fig. 5, the opening and closing device 5 includes a sector sealing block 51, a sealing spherical hinge 52, a connecting rod 53, a driving cylinder 54, a sealing sleeve 55 and a mounting groove 56; in this embodiment, the fan-shaped sealing blocks 51 are provided with four blocks, and are rotatably installed on the inner side wall of the feeding pipe 4 and are abutted to each other for sealing, when the four fan-shaped sealing blocks 51 are abutted to each other, a circular sealing structure is formed, the sealing spherical hinge 52 is rotatably installed on the fan-shaped sealing blocks 51 and the inner side wall of the feeding pipe 4, the connecting rod 53 is fixedly connected with the fan-shaped sealing blocks 51, the installation groove 56 is opened on the outer side wall of the feeding pipe 4 and is used for the connecting rod 53 to move, and the driving cylinder 54 is arranged on the side wall of the installation groove 56 and is connected with the end; in the actual operation process, when the driving cylinder 54 drives the connecting rod 53 to move downwards, the fan-shaped sealing block 51 tilts upwards, so that raw materials can enter the die cavity 35 through the feeding pipe 4; when the driving cylinder 54 moves upwards, the fan-shaped sealing blocks 51 move downwards and finally abut against each other to block the interior of the feeding pipe 4, so that raw materials are prevented from continuously entering the die cavity 35. The sealing sleeve 55 is mounted on the outer side wall of the feeding pipe 4 in a threaded manner and is covered in the mounting groove 56; after the components are installed, the sealing sleeve 55 is covered on the installation groove 56, so that the device is not easily interfered by external dust, and the convenience of actual operation is improved.
With continued reference to fig. 5, in order to ensure that the raw material in the die cavity 35 is more compact after the sector sealing blocks 51 are abutted and sealed with each other, a pressing device 7 is disposed on one side of the sector sealing block 51 close to the die cavity 35; in this embodiment, the pressing device 7 includes an installation frame 71, a pressing cylinder 72 and a pressing airbag 73, the installation frame 71 is disposed on one side of the sector sealing block 51 close to the die cavity 35, the pressing cylinder 72 is slidably sealed on the installation frame 71, and the pressing airbag 73 is disposed between the installation frame 71 and the pressing cylinder 72 and drives the pressing cylinder 72 to extend into the die cavity 35 so as to press the raw material into the die cavity 35. When the sector sealing blocks 51 are mutually abutted and compressed, the compression air bag 73 is opened, the compression cylinder 72 is driven to extend into the die cavity 35, the lower surface of the compression cylinder 72 is flush with the inner surface of the upper pressure plate 31, the raw materials in the die cavity 35 are guaranteed to be more compact, and the probability of bubble holes on the surface of the prepared graphite electrode is further reduced.
Referring to fig. 6, in order to enable a more rapid demolding of the manufactured product. The lower cover plate 2 is provided with a vibration demoulding device 8, the vibration demoulding device 8 comprises a bidirectional cylinder 81, a transmission rod 82, an adjusting rod 83, a sliding block 84, a sliding groove 85, a fixed cylinder 86 and an inserting cylinder 87, the bidirectional cylinder 81 is fixedly arranged on the lower cover plate 2, the transmission rod 82 is fixedly connected with the output end of the bidirectional cylinder 81, the adjusting rod 83 is rotatably arranged on the side wall of the lower cover plate 2, one end of the adjusting rod 83 is rotatably connected with the end part of the adjusting rod 83 far away from the bidirectional cylinder 81, the sliding block 84 is rotatably arranged at one end of the adjusting rod 83 far away from the transmission rod 82, the sliding groove 85 is arranged on the lower press plate 32 to move the sliding block 84 to slide and limit, the fixed cylinder 86 is fixedly arranged on the lower cover plate 2 and extends towards the lower press plate 32, and the; in the actual use process, the bidirectional cylinder 81 is opened, so that the transmission rod 82 is driven to swing left and right regularly, the adjusting rod 83 is driven to rotate, the lower pressing plate 32 is driven to swing up and down in the rotating process of the adjusting rod 83, and the prepared graphite electrode material can be rapidly demoulded. In addition, in order to improve the mold releasing effect, a sleeve pressure spring 88 is provided in the fixed cylinder 86, and the sleeve pressure spring is sleeved in the insertion cylinder 87 and elastically abuts against the lower pressing plate 32. The converging desk calendar sleeved with the pressure spring 88 also provides a certain buffering effect in the process of up-and-down swinging of the lower pressure plate 32, and the actual demoulding effect is further improved.
With continued reference to fig. 6, a buffer 9 is provided between the upper cover plate 1 and the upper platen 31. Buffer 9 includes riser 91, buffering pressure spring 92, buffer block 93, buffering shell fragment 94 and air spring 95, riser 91 fixed mounting just is relative setting on upper cover plate 1, buffering pressure spring 92 one end fixed mounting is in the one side that riser 91 is close to each other, buffer block 93 slides and installs on upper cover plate 1 and is located the one end that riser 91 was kept away from to buffering pressure spring 92, buffering shell fragment 94 fixed mounting between two buffer blocks 93 and with upper press plate 31 fixed connection, air spring 95 one end and 1 fixed connection of upper cover plate, the air spring 95 other end and upper press plate 31 fixed connection. In the process of up-and-down swinging of the lower pressing plate 32, the upper pressing plate 31 can swing up and down together, the buffering elastic sheet 94 can be extruded in the swinging process of the upper pressing plate 31, the buffering elastic sheet 94 is driven to elastically contract, and the buffering pressure spring 92 can also contract at the same time, so that the actual buffering effect is further improved, and the demolding is facilitated.
Referring to fig. 1, the method for preparing a graphite electrode by using the graphite electrode preparation mold comprises the following steps:
s1: sealing to form a cavity, covering the upper cover plate 1 on the lower cover plate 2, and sealing two ends of the mold cavity 35 through a sealing device 6 to separate the mold cavity 35 from the outside to form a closed space;
s2: opening and closing the feeding, starting the driving cylinder 54 to enable the sector sealing blocks 51 to be mutually scattered, and feeding the materials into the die cavity 35 through the feeding pipe;
s3: closing and sealing, after the step S2, after the feeding in the die cavity 35 is completed, opening the driving cylinder 54 again to drive the fan-shaped sealing blocks 51 to abut against each other so as to block the feeding pipe 4;
s4: cooling and forming, namely further pressing the raw materials through the upper pressing plate 31 and the lower pressing plate 32, and reducing the temperature of the upper pressing plate 31 and the lower pressing plate 32 to rapidly form the raw materials;
s5: and (4) demolding and taking materials, taking the graphite electrode molded after the step S4 out, combining the graphite electrode into a cylinder, and collecting and arranging the graphite electrode in a unified manner.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. A preparation method of an ultrahigh-power graphite electrode is characterized by comprising the following steps: the electrode preparation mould comprises an upper cover plate (1) and a lower cover plate (2) which are rotatably connected, wherein the lower cover plate (2) is erected on the ground of a frame through an installation frame, the upper cover plate (1) is positioned above the lower cover plate (2), a profiling device (3) is sequentially arranged between the upper cover plate (1) and the lower cover plate (2), a feeding pipe (4) for feeding graphite electrode preparation raw materials into the profiling device (3) is arranged on the profiling device (3), and an opening and closing device (5) is arranged between the feeding pipe (4) and the profiling device (3) to control the feeding and discharging of the graphite electrode preparation raw materials, wherein the feeding pipe (4) is connected with the lower cover plate (2) in a rotating mode;
the profiling device (3) comprises an upper pressing plate (31), a lower pressing plate (32), an embedding block (33), an embedding groove (34) and a sealing device (6), the upper pressure plate (31) is arranged on the upper cover plate (1) and is sequentially arranged along the extension direction of the upper cover plate (1), the lower pressure plate (32) is arranged on the lower cover plate (2) and is arranged corresponding to the upper pressure plate (31), the embedded block (33) is integrally arranged on the upper pressure plate (31) and is abutted against the lower pressure plate (32), the embedding groove (34) is arranged on the lower pressure plate (32) and is used for embedding and clamping the embedding block (33), a mold cavity (35) is formed between the upper pressing plate (31) and the lower pressing plate (32), the sealing device (6) is arranged between the upper pressing plate (31) and the lower pressing plate (32) and is positioned at two ends of the die cavity (35) to seal the die cavity (35), the feeding pipe (4) is arranged on the upper pressure plate (31) and is communicated with the die cavity (35);
the sealing device (6) comprises a fixing frame (61), an upper clamping groove (62), a lower clamping groove (63), an extrusion air bag (64) and a sealing plate (65), wherein the upper clamping groove (62) is formed in two ends of an upper pressing plate (31), the lower clamping groove (63) is formed in two ends of a lower pressing plate (32) and corresponds to the upper clamping groove (62), the fixing frame (61) is arranged on the upper pressing plate (31), is positioned in the upper clamping groove (62) and is clamped with the lower clamping groove (63), the sealing plate (65) is arranged on one side, close to the die cavity (35), of the fixing frame (61) and elastically abuts against the groove bottoms of the upper clamping groove (62) and the lower clamping groove (63), and the extrusion air bag (64) is arranged between the fixing frame (61) and the sealing plate (65);
the opening and closing device (5) comprises a sector sealing block (51), a sealing spherical hinge (52), a connecting rod (53), a driving cylinder (54), a sealing sleeve (55) and a mounting groove (56), the sector sealing blocks (51) are rotatably arranged on the inner side wall of the feeding pipe (4) and are mutually abutted and sealed, the sealing spherical hinge (52) is rotatably arranged on the inner side walls of the sector sealing block (51) and the feeding pipe (4), the connecting rod (53) is fixedly connected with the sector sealing block (51), the mounting groove (56) is arranged on the outer side wall of the feeding pipe (4) and is used for the connecting rod (53) to move, the driving cylinder (54) is arranged on the side wall of the mounting groove (56) and is connected with the end part of the connecting rod (53) so as to drive the fan-shaped sealing blocks (51) to mutually abut, the sealing sleeve (55) is mounted on the outer side wall of the feeding pipe (4) in a threaded manner and is covered in the mounting groove (56);
the method for preparing the graphite electrode by using the graphite electrode preparation mold comprises the following steps:
s1: sealing to form a cavity, covering the upper cover plate (1) on the lower cover plate (2), and sealing two ends of the mold cavity (35) through a sealing device (6) to separate the mold cavity (35) from the outside to form a closed space;
s2: opening and closing the feeding, starting the driving cylinder (54) to enable the sector sealing blocks (51) to be mutually scattered, and feeding materials into the die cavity (35) through the feeding pipe;
s3: closing and sealing, wherein after the step S2, after the feeding in the die cavity (35) is finished, the driving cylinder (54) is started again to drive the fan-shaped sealing blocks (51) to mutually abut so as to block the feeding pipe (4);
s4: cooling and forming, namely further pressing the raw materials through an upper pressing plate (31) and a lower pressing plate (32), and reducing the temperature of the upper pressing plate (31) and the lower pressing plate (32) to enable the raw materials to be rapidly formed;
s5: and (4) demolding and taking materials, taking the graphite electrode molded after the step S4 out, combining the graphite electrode into a cylinder, and collecting and arranging the graphite electrode in a unified manner.
2. The method for preparing the ultra-high power graphite electrode according to claim 1, wherein the method comprises the following steps: one side of the sealing plate (65) close to the die cavity (35) is integrally provided with a pressing block (651), and the pressing block (651) is in sliding contact with the side walls of the upper pressing plate (31) and the lower pressing plate (32).
3. The method for preparing the ultra-high power graphite electrode according to claim 1, wherein the method comprises the following steps: one side that sector seal block (51) is close to die cavity (35) is provided with closing device (7), closing device (7) are including installing frame (71), compression tube (72) and compress tightly gasbag (73), one side that sector seal block (51) is close to die cavity (35) is located in installing frame (71), compression tube (72) slide and seal on installing frame (71), compress tightly gasbag (73) locate between installing frame (71) and compression tube (72) and order about compression tube (72) to extend in die cavity (35) in order to compress tightly raw and to the die cavity (35) in.
4. The method for preparing the ultra-high power graphite electrode according to claim 1, wherein the method comprises the following steps: the lower cover plate (2) is provided with a vibration demolding device (8), the vibration demolding device (8) comprises a bidirectional cylinder (81), a transmission rod (82), an adjusting rod (83), a sliding block (84), a sliding groove (85), a fixed cylinder (86) and an inserting cylinder (87), the bidirectional cylinder (81) is fixedly installed on the lower cover plate (2), the transmission rod (82) is fixedly connected with the output end of the bidirectional cylinder (81), the adjusting rod (83) is rotatably installed on the side wall of the lower cover plate (2) and one end of the adjusting rod (83) is rotatably connected with the end part of the adjusting rod (83) far away from the bidirectional cylinder (81), the sliding block (84) is rotatably installed at one end of the adjusting rod (83) far away from the transmission rod (82), the sliding groove (85) is arranged on the lower pressing plate (32) to move the sliding block (84) for limiting, the fixed cylinder (86) is fixedly installed on the lower cover plate (2) and extends out towards the lower pressing, the inserting cylinder (87) is fixedly arranged on the lower pressure plate (32) and is inserted into the fixed cylinder (86) in a sliding manner;
and a buffer device (9) is arranged between the upper cover plate (1) and the upper pressure plate (31).
5. The method for preparing the ultra-high power graphite electrode according to claim 4, wherein the method comprises the following steps: a sleeving pressure spring (88) which is sleeved on the inserting cylinder (87) and elastically abutted against the lower pressure plate (32) is arranged in the fixed cylinder (86).
6. The method for preparing the ultra-high power graphite electrode according to claim 4, wherein the method comprises the following steps: buffer (9) include riser (91), buffering pressure spring (92), buffer block (93), buffering shell fragment (94) and air spring (95), riser (91) fixed mounting just is relative setting on upper cover plate (1), buffering pressure spring (92) one end fixed mounting is in the one side that riser (91) are close to each other, buffer block (93) fixed mounting is in the one end of keeping away from riser (91) in buffering pressure spring (92), buffering shell fragment (94) fixed mounting between two buffer blocks (93) and with upper press plate (31) fixed connection, air spring (95) one end and upper cover plate (1) fixed connection, the air spring (95) other end and upper press plate (31) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011273753.1A CN112372921A (en) | 2020-11-14 | 2020-11-14 | Preparation method of ultrahigh-power graphite electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011273753.1A CN112372921A (en) | 2020-11-14 | 2020-11-14 | Preparation method of ultrahigh-power graphite electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372921A true CN112372921A (en) | 2021-02-19 |
Family
ID=74582452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011273753.1A Pending CN112372921A (en) | 2020-11-14 | 2020-11-14 | Preparation method of ultrahigh-power graphite electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112372921A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1263706A (en) * | 1968-09-12 | 1972-02-16 | Davy & United Eng Co Ltd | Charging an extrusion press with material having gaseous inclusions |
| US4518335A (en) * | 1984-03-14 | 1985-05-21 | Allied Corporation | Dilatant mold and dilatant molding apparatus |
| US20060105184A1 (en) * | 2003-11-26 | 2006-05-18 | Cercom, Inc. | Ceramic armor and method of making by encapsulation in a hot pressed three layer metal assembly |
| CN102365158A (en) * | 2009-03-30 | 2012-02-29 | 昭和电工株式会社 | Sheet press molding method and method for manufacturing separator for fuel cell |
| CN102392148A (en) * | 2011-08-05 | 2012-03-28 | 太原理工大学 | Preparation method of aluminum-based boron carbide neutron absorption composite material |
| CN103879065A (en) * | 2012-12-21 | 2014-06-25 | 北京航空航天大学 | Silicon carbide fiber reinforced titanium aluminum matrix composite and making method thereof |
| CN105283293A (en) * | 2013-05-31 | 2016-01-27 | 东丽株式会社 | Method and device for manufacturing fiber-reinforced plastic |
| CN107311686A (en) * | 2017-08-10 | 2017-11-03 | 阳谷信民耐火材料有限公司 | A kind of novel preparation process of graphite electrode |
| CN207014720U (en) * | 2017-04-14 | 2018-02-16 | 盐城雄伟汽车部件有限公司 | A kind of oscillatory type automobile cover plate injection mold |
| CN207747292U (en) * | 2017-12-26 | 2018-08-21 | 于都海瑞密封防腐科技有限公司 | A kind of preserving and sealing diaphragm production compression molding device |
| CN208697793U (en) * | 2018-08-08 | 2019-04-05 | 天津倍优诺塑料制品科技有限公司 | Die arrangement is used in a kind of production of hygenic towelette lid |
| CN109732752A (en) * | 2019-02-12 | 2019-05-10 | 合肥炭素有限责任公司 | A kind of graphite electrode production raw material die mould method |
| CN109761609A (en) * | 2019-02-13 | 2019-05-17 | 合肥炭素有限责任公司 | A kind of manufacturing process and its process units of high-heat resistance shock resistant graphite electrode |
-
2020
- 2020-11-14 CN CN202011273753.1A patent/CN112372921A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1263706A (en) * | 1968-09-12 | 1972-02-16 | Davy & United Eng Co Ltd | Charging an extrusion press with material having gaseous inclusions |
| US4518335A (en) * | 1984-03-14 | 1985-05-21 | Allied Corporation | Dilatant mold and dilatant molding apparatus |
| US20060105184A1 (en) * | 2003-11-26 | 2006-05-18 | Cercom, Inc. | Ceramic armor and method of making by encapsulation in a hot pressed three layer metal assembly |
| CN102365158A (en) * | 2009-03-30 | 2012-02-29 | 昭和电工株式会社 | Sheet press molding method and method for manufacturing separator for fuel cell |
| CN102392148A (en) * | 2011-08-05 | 2012-03-28 | 太原理工大学 | Preparation method of aluminum-based boron carbide neutron absorption composite material |
| CN103879065A (en) * | 2012-12-21 | 2014-06-25 | 北京航空航天大学 | Silicon carbide fiber reinforced titanium aluminum matrix composite and making method thereof |
| CN105283293A (en) * | 2013-05-31 | 2016-01-27 | 东丽株式会社 | Method and device for manufacturing fiber-reinforced plastic |
| CN207014720U (en) * | 2017-04-14 | 2018-02-16 | 盐城雄伟汽车部件有限公司 | A kind of oscillatory type automobile cover plate injection mold |
| CN107311686A (en) * | 2017-08-10 | 2017-11-03 | 阳谷信民耐火材料有限公司 | A kind of novel preparation process of graphite electrode |
| CN207747292U (en) * | 2017-12-26 | 2018-08-21 | 于都海瑞密封防腐科技有限公司 | A kind of preserving and sealing diaphragm production compression molding device |
| CN208697793U (en) * | 2018-08-08 | 2019-04-05 | 天津倍优诺塑料制品科技有限公司 | Die arrangement is used in a kind of production of hygenic towelette lid |
| CN109732752A (en) * | 2019-02-12 | 2019-05-10 | 合肥炭素有限责任公司 | A kind of graphite electrode production raw material die mould method |
| CN109761609A (en) * | 2019-02-13 | 2019-05-17 | 合肥炭素有限责任公司 | A kind of manufacturing process and its process units of high-heat resistance shock resistant graphite electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214773598U (en) | Composite hose injection molding die | |
| CN112372921A (en) | Preparation method of ultrahigh-power graphite electrode | |
| CN210551978U (en) | Two-way extrusion formula brickmaking machine convenient to adjust brickmaking size | |
| CN211763098U (en) | Injection mold convenient to take off material | |
| CN219130744U (en) | Mould convenient to drawing of patterns | |
| CN217495038U (en) | Mould for wood-plastic board convenient to drawing of patterns | |
| CN215417855U (en) | A clean magnetic blank die-casting machine with controllable strength | |
| CN215434834U (en) | High-efficient easy demoulding vapour lamp shade injection mold | |
| CN104708765A (en) | Die for automobile small lamp shade | |
| CN211221200U (en) | Cup ear manufacturing equipment | |
| CN113119355A (en) | Mold for processing rubber air bag and application thereof | |
| CN104339626A (en) | Hollow blow molding forming process and mold | |
| CN222372220U (en) | Shaping device for preventing buckling deformation of injection molding part | |
| CN112590137A (en) | Injection mold is used in plastic tubing joint production | |
| CN220532938U (en) | Automobile sound installation shell die casting die capable of reducing air holes | |
| CN214491360U (en) | Data line forming injection molding machine | |
| CN216127571U (en) | Processing die for solid rocket engine heat insulation layer curing air bag | |
| CN206839040U (en) | A kind of hard alloy mould | |
| CN220946478U (en) | Die for producing television shell | |
| CN214395230U (en) | A shedder for rubber spare | |
| CN220720118U (en) | Injection molding die for joint | |
| CN215921145U (en) | Forming device for rubber production | |
| CN218019827U (en) | Plastic edge-covering injection molding machine for automobile glass | |
| CN217862533U (en) | Rubber injection mould of tail gas cleanup unit production usefulness | |
| CN204752677U (en) | Flexible multiple spot piece machine of buckling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |