Graphite electrode production raw material crushing device and method

Abstract

The invention relates to the technical field of graphite and carbon product manufacturing, in particular to a graphite electrode production raw material crushing device and method.The graphite electrode production raw material crushing device comprises a crushing box and a crushing mechanism, a feeding port is formed in the crushing box, and the crushing mechanism comprises an extrusion crushing part, movable crushing teeth, a double-shaft motor, a transmission assembly, a hollow supporting frame, a material conveying assembly and a material screening part; the extrusion crushing part is arranged in the crushing box, the hollow supporting frame is fixedly connected with the crushing box, the conveying assembly is arranged on the hollow supporting frame, the double-shaft motor is installed on the crushing box, the crushing box is provided with a guide groove, a first opening and a second opening, the screening part is slidably connected with the guide groove, and the first opening and the second opening both communicate with the hollow supporting frame. In this way, the technical problems that in the prior art, only the graphite electrode can be simply crushed, the particle sizes of crushed raw materials are different, the crushing effect is poor, and the quality of the graphite electrode is affected are solved.

Description

Technical Field

[0001] The invention relates to the technical field of graphite and carbon product manufacturing, and in particular to a graphite electrode production raw material crushing device and method. Background Art

[0002] Graphite electrode is a high-temperature resistant graphite conductive material. Graphite electrode is mainly made of petroleum coke and needle coke as raw materials, and coal tar as binder. It is made through a series of process including raw material calcination, crushing and grinding, batching, kneading, molding, roasting, impregnation, graphitization and mechanical processing. When processing graphite electrodes, the raw materials need to be crushed, so a crushing device is needed to crush the raw materials.

[0003] As disclosed in the prior art patent application number CN202320838271.9, a raw material processing device for graphite electrode production has a crushing mechanism arranged on the bottom surface of the powder barrel along the outer circumferential edge surface of the through hole to achieve uniform crushing of the powder. During the raw material conveying process, the uniformity of raw material crushing is improved, thereby providing preparation for high quality subsequent processing.

[0004] However, in the above method, the graphite electrode can only be simply crushed, and the particles of the raw material after crushing are of different sizes, which leads to poor crushing effect and affects the quality of the graphite electrode. Summary of the invention

[0005] The purpose of the present invention is to provide a graphite electrode production raw material crushing device and method, aiming to solve the technical problem that the prior art can only perform simple crushing of graphite electrodes, the particles of the raw materials after crushing are of different sizes, which leads to poor crushing effect and affects the quality of the graphite electrodes.

[0006] To achieve the above-mentioned purpose, the present invention adopts a graphite electrode production raw material crushing device, including a crushing box and a crushing mechanism, a feed port is arranged on the crushing box, and the crushing mechanism includes an extrusion crushing piece, a dynamic crushing tooth, a double-shaft motor, a transmission assembly, a hollow support frame, a feeding assembly and a screening piece, the extrusion crushing piece is arranged in the crushing box, the hollow support frame is fixedly connected to the crushing box, the feeding assembly is arranged on the hollow support frame, the double-shaft motor is installed on the crushing box, one of the output ends of the double-shaft motor is connected to the dynamic crushing tooth, and the other output end of the double-shaft motor is connected to the feeding assembly through the transmission assembly, the crushing box has a guide groove, a first opening and a second opening, the screening piece is slidably connected to the guide groove, and the first opening and the second opening are both connected to the hollow support frame.

[0007] Wherein, the extrusion crushing member comprises a guide ring and fixed crushing teeth, the guide ring is fixedly connected to the crushing box, the fixed crushing teeth are fixedly connected to the guide ring, and the dynamic crushing teeth are arranged in the fixed crushing teeth.

[0008] Wherein, the feeding assembly includes a rotating rod and a spiral blade, the rotating rod is rotatably connected to the hollow support frame, and the spiral blade is fixedly connected to the outer wall of the rotating rod.

[0009] Wherein, the transmission assembly includes a driving wheel, a transmission belt and a driven wheel, the driving wheel and the driven wheel are fixedly connected to the corresponding output ends of the dual-axis motor and the rotating rod respectively, and the transmission belt is arranged between the driving wheel and the driven wheel.

[0010] Wherein, the screening member includes a screening plate, a guide plate and a guide block, the guide plate is slidably connected to the guide groove, the screening plate is fixedly connected to the guide plate, the guide block is fixedly connected to the screening plate and is located above the screening plate.

[0011] Among them, the graphite electrode production raw material crushing device also includes a follower abutment component and a connecting rod, the connecting rod is fixedly connected to the screen plate, and the follower abutment component is fixedly connected to the rotating rod and is used to drive the connecting rod to move.

[0012] Wherein, the follower abutment assembly includes a driving gear, a driven gear, a round rod, a disc and a abutment rod, the connecting rod has a abutment groove, the driving gear is fixedly connected to the rotating rod, the round rod is rotatably connected to the crushing box, the driven gear is fixedly connected to the round rod, the disc is fixedly connected to the round rod, one end of the abutment rod is fixedly connected to the disc, and the other end of the abutment rod is placed in the abutment groove.

[0013] The present invention also provides a method for crushing raw materials for graphite electrode production, using the above-mentioned graphite electrode production raw material crushing device, comprising the following steps:

[0014] Step 1: Add the raw material to be crushed into the crushing box through the feed inlet, the raw material enters the extrusion crushing part, start the double-shaft motor, one of the output ends of the double-shaft motor drives the movable crushing teeth to rotate and cooperate with the extrusion crushing part to crush the raw material, and the other output end of the double-shaft motor drives the feeding component to work through the transmission component;

[0015] Step 2: The crushed raw materials fall onto the screening element for screening, and the raw materials with smaller particle sizes pass through the screening element and are discharged, and the raw materials with larger particle sizes are guided to the first opening through the screening element and flow into the hollow support frame;

[0016] Step 3: At this time, the feeding component transports the raw materials in the hollow support frame to the top, and the raw materials fall into the extrusion crushing member through the second opening for re-crushing.

[0017] The present invention relates to a graphite electrode production raw material crushing device and method. When used, firstly, the raw material to be crushed is added into the crushing box through the feed inlet, the raw material enters the extrusion crushing part, the double-shaft motor is started, one of the output ends of the double-shaft motor drives the movable crushing teeth to rotate and cooperate with the extrusion crushing part to crush the raw material, and the other output end of the double-shaft motor drives the feeding component to work through the transmission component, the movable crushing teeth rotate and cooperate with the extrusion crushing part to crush the raw material, and then the raw material falls onto the screening component for screening, and the raw material with a smaller particle size passes through the The raw materials with larger particle sizes are discharged after the screening member, and are guided to the first opening through the screening member, and flow into the hollow support frame. At this time, the feeding component transports the raw materials in the hollow support frame to the top, and drops them into the extrusion crushing member through the second opening for re-crushing, and this is repeated until the crushed raw materials can pass through the screening member for discharge, that is, the particle size after crushing is uniform, which improves the crushing effect. In this way, the technical problem that the prior art can only perform simple crushing of graphite electrodes, and the particle size of the raw materials after crushing is different, which leads to poor crushing effect and affects the quality of the graphite electrodes is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic structural diagram of the first embodiment of the present invention.

[0020] Figure 2 It is a front view of the first embodiment of the present invention.

[0021] Figure 3 is a side view of the first embodiment of the present invention.

[0022] Figure 4 The present invention Figure 2 AA line structural cross-section view.

[0023] Figure 5 The present invention Figure 3 BB line structural cross-sectional view.

[0024] Figure 6 The present invention Figure 3 CC line structural cross-sectional view.

[0025] Figure 7 It is a partial structural diagram of the first embodiment of the present invention.

[0026] Figure 8 It is a partial structural diagram of the second embodiment of the present invention.

[0027] 101-crushing box, 102-connecting rod, 103-dynamic crushing teeth, 104-double-axis motor, 105-hollow support frame, 106-guide ring, 107-fixed crushing teeth, 108-rotating rod, 109-spiral blade, 110-driving wheel, 111-transmission belt, 112-driven wheel, 113-screen plate, 114-guide plate, 115-guide block, 116-driving gear, 117-driven gear, 118-round rod, 119-disc, 120-holding rod, 121-feeding port, 122-guide groove, 123-first opening, 124-second opening, 125-holding groove, 201-sleeve rod, 202-stirring rod, 203-rotating rod, 204-shielding plate. DETAILED DESCRIPTION

[0028] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0029] The first embodiment of the present application is:

[0030] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic structural diagram of a first embodiment of the present invention, Figure 2 is a front view of a first embodiment of the present invention, Figure 3 is a side view of a first embodiment of the present invention, Figure 4 The present invention Figure 2 AA line structural section view, Figure 5 The present invention Figure 3 BB line structural cross-sectional view, Figure 6 The present invention Figure 3 The CC line structural cross-sectional view, Figure 7 It is a partial structural diagram of the first embodiment of the present invention.

[0031] The present invention provides a graphite electrode production raw material crushing device, comprising a crushing box 101, a crushing mechanism, a follower abutment assembly and a connecting rod 102, the crushing mechanism comprises an extrusion crushing piece, a dynamic crushing tooth 103, a dual-axis motor 104, a transmission assembly, a hollow support frame 105, a feeding assembly and a screening piece, the extrusion crushing piece comprises a guide ring 106 and a fixed crushing tooth 107, the feeding assembly comprises a rotating rod 108 and a spiral blade 109, the transmission assembly comprises a driving wheel 110, a driving belt 111 and a driven wheel 112, the screening piece comprises a screening plate 113, a guide plate 114 and a guide block 115, the follower abutment assembly comprises a driving gear 116, a driven gear 117, a round rod 118, a disc 119 and abutment rod 120, the above scheme solves the technical problem that in the prior art, only simple crushing of graphite electrodes can be performed, the raw material particles are of different sizes after crushing, and the crushing effect is poor, which affects the quality of the graphite electrode.

[0032] According to this specific embodiment, a feed port 121 is provided on the crushing box 101 , and the feed port 121 is used to add the raw materials to be crushed into the crushing box 101 .

[0033] Wherein, the extrusion crushing member is arranged in the crushing box 101, the hollow support frame 105 is fixedly connected to the crushing box 101, the feeding assembly is arranged on the hollow support frame 105, the double-shaft motor 104 is installed on the crushing box 101, one of the output ends of the double-shaft motor 104 is connected to the dynamic crushing tooth 103, and the other output end of the double-shaft motor 104 is connected to the feeding assembly through the transmission assembly. The crushing box 101 has a guide groove 122, a first opening 123 and a second opening 124, the screening member is slidably connected to the guide groove 122, and the first opening 123 and the second opening 124 are both connected to the hollow support frame 105. When used specifically, the raw material to be crushed is first added into the crushing box 101 through the feed port 121, the raw material enters the extrusion crushing member, and the double-shaft motor 104 is started, and one of the output ends of the double-shaft motor 104 drives the dynamic crushing The tooth 103 rotates and cooperates with the extrusion crushing part to crush the raw material. The other output end of the dual-axis motor 104 drives the feeding component to work through the transmission component. The above-mentioned dynamic crushing tooth 103 rotates and cooperates with the extrusion crushing part to crush the raw material and then drops it onto the screening component for screening. The raw material with smaller particle size passes through the screening component and is discharged. The raw material with larger particle size is guided to the first opening 123 through the screening component and flows into the hollow support frame 105. At this time, the feeding component transports the raw material in the hollow support frame 105 to the top through the second opening 124 and drops into the extrusion crushing part for re-crushing. This is repeated until the crushed raw material can pass through the screening component and be discharged, that is, the particle size after crushing is uniform, which improves the crushing effect. In this way, the technical problem that the prior art can only perform simple crushing of graphite electrodes, the particles of raw materials are of different sizes after crushing, and then the crushing effect is poor, which affects the quality of graphite electrodes.

[0034] Secondly, the guide ring 106 is fixedly connected to the crushing box 101, the fixed crushing teeth 107 are fixedly connected to the guide ring 106, the dynamic crushing teeth 103 are arranged in the fixed crushing teeth 107, and the guide ring 106 is used to guide the raw materials input from the feed port 121 to the fixed crushing teeth 107.

[0035] At the same time, the rotating rod 108 is rotatably connected to the hollow support frame 105, the spiral blade 109 is fixedly connected to the outer wall of the rotating rod 108, and the output end corresponding to the dual-axis motor 104 drives the rotating rod 108 to rotate through the transmission assembly, and the rotating rod 108 drives the spiral blade 109 to rotate to transport the raw materials.

[0036] In addition, the driving wheel 110 and the driven wheel 112 are fixedly connected to the corresponding output ends of the dual-axis motor 104 and the rotating rod 108 respectively, and the transmission belt 111 is arranged between the driving wheel 110 and the driven wheel 112. The corresponding output end of the dual-axis motor 104 drives the driving wheel 110 to rotate, and the driving wheel 110 drives the driven wheel 112 to rotate through the belt and then drives the rotating rod 108 to rotate.

[0037] Again, the guide plate 114 is slidably connected to the guide groove 122, the screen plate 113 is fixedly connected to the guide plate 114, the guide block 115 is fixedly connected to the screen plate 113 and is located above the screen plate 113, the screen plate 113 is used to screen the crushed raw materials, and the guide block 115 is used to guide the raw materials to the first opening 123.

[0038] Finally, the connecting rod 102 is fixedly connected to the screening plate 113, and the follower abutment assembly is fixedly connected to the rotating rod 108 and is used to drive the connecting rod 102 to move;

[0039] The connecting rod 102 has a supporting groove 125, the driving gear 116 is fixedly connected to the rotating rod 108, the round rod 118 is rotatably connected to the crushing box 101, the driven gear 117 is fixedly connected to the round rod 118, the disc 119 is fixedly connected to the round rod 118, one end of the supporting rod 120 is fixedly connected to the disc 119, and the other end of the supporting rod 120 is placed in the supporting groove 125. The driving gear 116 is driven to rotate, and the driving gear 116 drives the round rod 118 to rotate through the driven gear 117, and the round rod 118 drives the disc 119 to rotate, and the disc 119 drives the supporting rod 120 to slide in the supporting groove 125, and the supporting rod 120 slides in the supporting groove 125 and drives the connecting rod 102 to reciprocate up and down, and the connecting rod 102 drives the screen plate 113 to reciprocate up and down to improve the screening efficiency.

[0040] When using a graphite electrode production raw material crushing device according to the present embodiment, the raw material to be crushed is first added into the crushing box 101 through the feed port 121, and the raw material enters the extrusion crushing part, and the double-axis motor 104 is started. One of the output ends of the double-axis motor 104 drives the movable crushing tooth 103 to rotate and cooperate with the extrusion crushing part to crush the raw material. The other output end of the double-axis motor 104 drives the feeding component to work through the transmission component. The movable crushing tooth 103 rotates and cooperates with the extrusion crushing part to crush the raw material, and then the raw material falls onto the screening component for screening. Raw materials with smaller particle sizes are After passing through the screening element, the raw materials with larger particle sizes are discharged, and the raw materials are guided to the first opening 123 through the screening element, and flow into the hollow support frame 105. At this time, the feeding component transports the raw materials in the hollow support frame 105 to the top, and drops them into the extrusion crushing element through the second opening 124 for re-crushing, and repeats this process until the crushed raw materials can pass through the screening element and be discharged, that is, the particles after crushing are uniform in size, thereby improving the crushing effect. In this way, the technical problem that the prior art can only perform simple crushing of graphite electrodes, and the particles of the raw materials after crushing are of different sizes, which leads to poor crushing effect and affects the quality of the graphite electrodes is solved.

[0041] The second embodiment of the present application is:

[0042] Based on the first embodiment, please refer to Figure 8 , Figure 8 It is a partial structural diagram of the second embodiment of the present invention.

[0043] The present invention provides a graphite electrode production raw material crushing device, which also includes a sleeve rod 201, a plurality of stirring rods 202, a rotating rod 203 and a shielding plate 204.

[0044] According to this specific embodiment, the multiple stirring rods 202 are fixedly connected to the output end of the dual-axis motor 104 through the sleeve rod 201. When the dual-axis motor 104 is working, the multiple stirring rods 202 are driven to rotate through the sleeve rod 201. The multiple stirring rods 202 stir the raw materials so that the raw materials can be more conveniently fed into the fixed crushing teeth 107.

[0045] Among them, the rotating rod 203 is rotatably connected to the crushing box 101, and the baffle plate 204 is fixedly connected to the rotating rod 203. After the feeding is completed, the baffle plate 204 is rotated, and the baffle plate 204 drives the rotating rod 203 to rotate on the crushing box 101 until the baffle plate 204 blocks the feed port 121.

[0046] A graphite electrode production raw material crushing device using the present embodiment is used in specific use. When the dual-axis motor 104 is working, it drives the multiple stirring rods 202 to rotate through the sleeve rod 201. The multiple stirring rods 202 stir the raw materials so that the raw materials can be more conveniently fed into the fixed crushing teeth 107. After the feeding is completed, the baffle plate 204 is rotated, and the baffle plate 204 drives the rotating rod 203 to rotate on the crushing box 101 until the baffle plate 204 blocks the feed port 121.

[0047] The present invention also provides a method for crushing raw materials for graphite electrode production, using the above-mentioned graphite electrode production raw material crushing device, comprising the following steps:

[0048] Step 1: Add the raw material to be crushed into the crushing box 101 through the feed port 121, and the raw material enters the extrusion crushing part, and start the double-shaft motor 104. One of the output ends of the double-shaft motor 104 drives the movable crushing teeth 103 to rotate and cooperate with the extrusion crushing part to crush the raw material. The other output end of the double-shaft motor 104 drives the feeding component to work through the transmission component;

[0049] Step 2: The crushed raw materials fall onto the screening element for screening, and the raw materials with smaller particle sizes pass through the screening element and are discharged, while the raw materials with larger particle sizes are guided to the first opening 123 through the screening element and flow into the hollow support frame 105;

[0050] Step 3: At this time, the feeding component conveys the raw materials in the hollow support frame 105 to the top, and the raw materials fall into the extrusion crushing member through the second opening 124 for further crushing.

[0051] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A graphite electrode production raw material crushing device, comprising a crushing box, wherein a feed port is arranged on the crushing box, characterized in that: Also includes a crushing mechanism; The crushing mechanism includes an extrusion crushing piece, a movable crushing tooth, a double-shaft motor, a transmission assembly, a hollow support frame, a feeding assembly and a screening piece. The extrusion crushing piece is arranged in the crushing box, the hollow support frame is fixedly connected to the crushing box, the feeding assembly is arranged on the hollow support frame, the double-shaft motor is installed on the crushing box, one of the output ends of the double-shaft motor is connected to the movable crushing tooth, and the other output end of the double-shaft motor is connected to the feeding assembly through the transmission assembly. The crushing box has a guide groove, a first opening and a second opening. The screening piece is slidably connected to the guide groove, and the first opening and the second opening are both connected to the hollow support frame.

2. The graphite electrode production raw material crushing device according to claim 1, characterized in that: The extrusion crushing member comprises a guide ring and fixed crushing teeth, the guide ring is fixedly connected to the crushing box, the fixed crushing teeth are fixedly connected to the guide ring, and the dynamic crushing teeth are arranged in the fixed crushing teeth.

3. The graphite electrode production raw material crushing device according to claim 2, characterized in that: The feeding assembly comprises a rotating rod and a spiral blade. The rotating rod is rotatably connected to the hollow support frame, and the spiral blade is fixedly connected to the outer wall of the rotating rod.

4. The graphite electrode production raw material crushing device according to claim 3, characterized in that: The transmission assembly includes a driving wheel, a transmission belt and a driven wheel. The driving wheel and the driven wheel are fixedly connected to the corresponding output ends of the dual-axis motor and the rotating rod respectively, and the transmission belt is arranged between the driving wheel and the driven wheel.

5. The graphite electrode production raw material crushing device according to claim 4, characterized in that: The screening member comprises a screening plate, a guide plate and a guide block, the guide plate is slidably connected to the guide groove, the screening plate is fixedly connected to the guide plate, and the guide block is fixedly connected to the screening plate and is located above the screening plate.

6. The graphite electrode production raw material crushing device according to claim 5, characterized in that: The graphite electrode production raw material crushing device also includes a follower abutment component and a connecting rod, the connecting rod is fixedly connected to the screen plate, and the follower abutment component is fixedly connected to the rotating rod and is used to drive the connecting rod to move.

7. The graphite electrode production raw material crushing device according to claim 6, characterized in that: The follower abutment assembly includes a driving gear, a driven gear, a round rod, a disc and a abutment rod, the connecting rod has a abutment groove, the driving gear is fixedly connected to the rotating rod, the round rod is rotationally connected to the crushing box, the driven gear is fixedly connected to the round rod, the disc is fixedly connected to the round rod, one end of the abutment rod is fixedly connected to the disc, and the other end of the abutment rod is placed in the abutment groove.

8. A method for crushing raw materials for graphite electrode production, using the graphite electrode production raw material crushing device as claimed in claim 7, characterized in that: The following steps are included: Step 1: Add the raw material to be crushed into the crushing box through the feed inlet, the raw material enters the extrusion crushing part, start the double-shaft motor, one of the output ends of the double-shaft motor drives the movable crushing teeth to rotate and cooperate with the extrusion crushing part to crush the raw material, and the other output end of the double-shaft motor drives the feeding component to work through the transmission component; Step 2: The crushed raw materials fall onto the screening element for screening, and the raw materials with smaller particle sizes pass through the screening element and are discharged, and the raw materials with larger particle sizes are guided to the first opening through the screening element and flow into the hollow support frame; Step 3: At this time, the feeding component transports the raw materials in the hollow support frame to the top, and the raw materials fall into the extrusion crushing member through the second opening for re-crushing.

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