A graphite electrode baking device

Abstract

The present invention discloses a graphite electrode roasting device, which belongs to the technical field of graphite electrode roasting, comprising a furnace body, a bottom plate provided on one side of the furnace body, vertical plates fixedly installed on both sides of the top of the bottom plate, multiple sets of driving shafts and driven shafts installed between the two vertical plates, the ends of the driving shafts and the driven shafts are fixedly provided with connecting shafts, the connecting shafts pass through the vertical plates and rotate with the vertical plates, the driving shafts and the driven shafts are both rotatably sleeved with collars, and a top pressure unit is provided on the outer wall of the collar; this device can drive the graphite electrode to rotate by the arranged driving shaft and driven shaft, thereby facilitating uniform heating of the graphite electrode, and, by the arranged top pressure unit, the top pressure unit can be driven to deflect upward to a horizontal state during the counterclockwise rotation of the driving shaft, thereby facilitating the loading and unloading of the graphite electrode.

Description

Technical Field

[0001] The present invention relates to the technical field of graphite electrode baking, in particular to a graphite electrode baking device. Background Art

[0002] Graphite electrode refers to a high-temperature resistant graphite conductive material made from petroleum coke and asphalt coke as aggregates and coal tar as binder, through the process of raw material calcination, crushing and grinding, batching, mixing, molding, roasting, impregnation, graphitization and mechanical processing.

[0003] Chinese patent CN215864669U discloses a fixture for a graphite electrode roasting kiln. The fixture comprises a sliding frame which is slidably mounted on a bottom plate. The sliding frame allows adjustment of the distance between the sliding frame and the baffle. This allows the fixture to change the clamping length of graphite electrodes of different lengths by adjusting the sliding frame, making the fixture more convenient to use.

[0004] The above-mentioned device places graphite electrodes by setting up multiple groups of support plates, and loads and unloads graphite by disassembling positioning blocks. However, multiple positioning blocks need to be disassembled and installed during the loading or unloading process, which makes the overall process more cumbersome. In addition, the graphite electrodes are placed statically on the support plates, which is not conducive to uniform heating of the graphite electrodes. In summary, the above-mentioned device still has room for improvement.

[0005] Therefore, it is necessary to provide a graphite electrode baking device to solve the above technical problems. Summary of the Invention

[0006] The object of the present invention is to provide a graphite electrode roasting device to solve the problem that the existing device proposed in the above background technology places graphite electrodes by setting up multiple groups of support plates, and loads and unloads graphite by disassembling positioning blocks, but multiple positioning blocks need to be disassembled and installed during the loading or unloading process, resulting in the overall process being more cumbersome.

[0007] Based on the above ideas, the present invention provides the following technical solutions: a graphite electrode roasting device, comprising a furnace body, a bottom plate is provided on one side of the furnace body, vertical plates are fixedly installed on both sides of the top of the bottom plate, multiple sets of driving shafts and driven shafts are installed between the two vertical plates, and the ends of the driving shafts and the driven shafts are fixedly provided with connecting shafts, which pass through the vertical plates and rotate with the vertical plates. Rings are rotatably sleeved on the driving shaft and the driven shaft, and a top pressure unit is provided on the outer wall of the ring. The top pressure unit on the driving shaft is hinged to the top pressure unit on the driven shaft;

[0008] A connecting plate is provided on the outside of the driving shaft and the driven shaft, and the connecting plate is fixed to the collar. A gear ring is provided on the outside of the connecting shaft, and an extrusion assembly meshing with the gear ring is slidably provided on the inner side wall of the vertical plate. When the driving shaft drives the collar to rotate counterclockwise, the top pressure unit can be driven to deflect upward, thereby lifting the graphite electrode upward through the top pressure unit. When the connecting plate rotates with the collar, the connecting shaft and the gear ring can cooperate through the clamping assembly, so that the connecting shaft can drive the extrusion assembly to move to one side through the gear ring.

[0009] As a further solution of the present invention: the extrusion assembly includes a push rod slidably arranged on the inner side of the vertical plate, the push rod is arranged in an L shape, and a transmission tooth engaged with the gear ring is arranged at the bottom of the push rod, and a push plate is fixedly arranged on the side of the push rod away from the vertical plate.

[0010] As a further solution of the present invention: the clamping assembly includes a clamping block arranged on the outer wall of the connecting shaft and elastically matched with the connecting shaft, a clamping groove matching the clamping block is provided on the inner wall of the gear ring, an annular mounting groove is provided on the outer peripheral wall of the connecting shaft, a pull ring is sleeved on the mounting groove, a sliding rod is provided at one end of the connecting plate extending to the inside of the vertical plate, a limiting groove is provided on the inner wall of the connecting plate, the limiting groove is inclined, the bottom end of the sliding rod slides in the limiting groove, an annular positioning groove is provided on the outer peripheral wall of the pull ring, the top end of the sliding rod is in the positioning groove, and a traction rope is fixed between the pull ring and the clamping block.

[0011] As a further solution of the present invention: a pull plate is provided at the vertical plate, an insert block is elastically connected to the inner wall of the pull plate, and a socket matching the insert block is provided at the end of the connecting plate.

[0012] As a further solution of the present invention: a protrusion is elastically connected to the inner wall of the ring on the driving shaft, and a groove matching the protrusion is opened on the outer peripheral wall of the driving shaft. The protrusion is located at one end of the groove and the two sides are respectively set as a first inclined surface and a second inclined surface.

[0013] As a further solution of the present invention: an exhaust pipe is provided on the top of the furnace body.

[0014] As a further solution of the present invention: the pressing unit includes a protrusion arranged on the outer wall of the collar, and one end of the protrusion away from the collar is elastically connected to the top plate.

[0015] As a further solution of the present invention: the top plate at the driving shaft and the top plate at the driven shaft at opposite ends are hingedly connected by a hinge.

[0016] As a further solution of the present invention: a sliding groove is provided on the inner side surface of the vertical plate, a sliding block is fixedly provided on the push rod and slides with the sliding groove, and a limiting spring is fixedly provided on the end surface of one end of the sliding groove.

[0017] As a further solution of the present invention: an inclined guide surface is provided on one side of the end portion of the connecting plate, and when the connecting plate rotates, the insert block can be squeezed through the guide surface.

[0018] Compared with the prior art, the beneficial effects of the present invention are: this device can drive the graphite electrode to rotate by means of the provided active shaft and driven shaft, thereby facilitating uniform heating of the graphite electrode; and, through the provided top pressure unit, the top pressure unit can be driven to deflect upward to a horizontal state during the counterclockwise rotation of the active shaft, thereby facilitating the loading and unloading of the graphite electrode. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the driving shaft and the collar structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the position of the graphite electrode of the present invention placed between the driving shaft and the driven shaft;

[0023] Figure 4 This is a distribution diagram of the driving shaft and the driven shaft of the present invention;

[0024] Figure 5 is a schematic diagram of the top pressure unit of the present invention in a horizontal state;

[0025] Figure 6 It is a schematic structural diagram of the top pressure unit of the present invention;

[0026] Figure 7 This is a schematic diagram of the cooperation between the driving shaft and the vertical plate of the present invention;

[0027] Figure 8 This invention Figure 7 A schematic diagram of the enlarged structure at point B;

[0028] Figure 9 This is a schematic diagram of the cooperation between the connecting plate and the vertical plate of the present invention;

[0029] Figure 10 Schematic diagram of the cooperation between the slide bar, the pull ring and the connecting plate of the present invention;

[0030] Figure 11 It is a schematic diagram of the pull plate structure of the present invention;

[0031] Figure 12 It is a schematic diagram of the plug structure of the present invention;

[0032] Figure 13It is a schematic diagram of the push rod and push plate structure of the present invention;

[0033] Figure 14 It is a schematic diagram of the horizontal plate structure of the present invention;

[0034] Figure 15 This invention Figure 3 A is an enlarged structural diagram of FIG.

[0035] In the figure: 1, furnace body; 101, exhaust pipe; 102, furnace mouth; 2, graphite electrode; 3, screw; 4, connecting shaft; 5, bottom plate; 501, vertical plate; 6, push rod; 601, slider; 7, push plate; 8, driving shaft; 9, gear ring; 10, pull plate; 1001, insert; 11, slide groove; 12, driven shaft; 13, collar; 1301, protrusion; 1302, top plate; 14 , horizontal plate; 1401, positioning block; 15, connecting plate; 1501, limiting groove; 1502, jack; 1503, guide surface; 16, protrusion; 1601, first inclined surface; 1602, second inclined surface; 17, clamping block; 18, traction rope; 19, slide bar; 20, guide groove; 21, strip groove; 22, connecting groove; 23, annular groove; 24, pull ring; 25, positioning groove. DETAILED DESCRIPTION

[0036] like Figures 1-10 As shown, a graphite electrode baking device includes a furnace body 1 and a track arranged on one side of the furnace body 1. A bottom plate 5 is slidably mounted on the track. Vertical plates 501 are fixedly mounted on both sides of the top of the bottom plate 5. When in actual use, the graphite electrode 2 to be baked is placed between the two vertical plates 501.

[0037] Specifically, in order to support the graphite electrode 2, the present invention installs multiple sets of support components between the two vertical plates 501. Specifically, the support components include a driving shaft 8 and a driven shaft 12. Figures 1-4 As shown, the ends of the driving shaft 8 and the driven shaft 12 are fixedly provided with a connecting shaft 4, and the connecting shaft 4 passes through the vertical plate 501 and rotates with it;

[0038] The driving shaft 8 and the driven shaft 12 are both provided with a sleeve 13 at both ends, and a top pressure unit for lifting the graphite electrode 2 is provided on the outer wall of the sleeve 13. The top pressure unit at the driving shaft 8 is hinged with the top pressure unit at the driven shaft 12, and the top pressure unit at the driven shaft 12 is hinged. Figure 3-Figure 5 As shown, when the driving shaft 8 drives the collar 13 to rotate, the pressing units located at the driving shaft 8 and the driven shaft 12 can deflect upward and be in a horizontal state, thereby facilitating the graphite electrode 2 to move out from between the two vertical plates 501 .

[0039] Refer again Figures 1-4As shown, a connecting plate 15 is fixedly installed between the two collars 13 on the driving shaft 8 and the two collars 13 on the driven shaft 12. The end of the connecting plate 15 extends into the vertical plate 501 and can rotate relative to the vertical plate 501. The outer side of the connecting shaft 4 is provided with a gear ring 9, which is located at the inner side of the vertical plate 501. An extrusion component that meshes with the gear ring 9 is provided on the inner side wall of the vertical plate 501. During the roasting process, the graphite electrode 2 is placed between the driving shaft 8 and the driven shaft 12. Figure 4 As shown, at this time, the driving shaft 8 and the driven shaft 12 are driven to rotate clockwise, and the cooperation of the driving shaft 8 and the driven shaft 12 can drive the graphite electrode 2 to rotate, which is beneficial to the uniform heating of the graphite electrode 2. When the roasting is completed, the graphite electrode 2 is moved to the furnace body 1. At this time, the connecting shaft 4 is driven to rotate counterclockwise. During this process, the driving shaft 8 can drive the top pressure unit to deflect upward. Since the top pressure unit at the driving shaft 8 is hinged to the top pressure unit on the driven shaft 12, the top pressure unit on the driving shaft 8 can drive the top pressure unit at the driven shaft 12 to deflect upward synchronously, thereby lifting the graphite electrode 2 between the driving shaft 8 and the driven shaft 12 upward. For details, refer to Figure 5 As shown, as the top pressure unit deflects, the connecting plate 15 also rotates relative to the vertical plate 501. During this process, the connecting shaft 4 and the ring gear 9 cooperate with each other through the clamping assembly, so that the connecting shaft 4 can drive the ring gear 9 to rotate synchronously during rotation, and then drive the extrusion assembly to move to one side through the ring gear 9, which is conducive to pushing the graphite electrode 2 out from between the two vertical plates 501.

[0040] like Figures 1-13 As shown, the extrusion assembly includes a push rod 6 slidably arranged on the inner side of the vertical plate 501, the push rod 6 is set to be L-shaped, and a transmission tooth engaged with the gear ring 9 is fixedly arranged at the bottom of the push rod 6, and a push plate 7 is fixedly arranged on the side of the push rod 6 away from the vertical plate 501, and the push plate 7 can push the graphite electrode 2 between the two vertical plates 501.

[0041] The clamping assembly includes a clamping block 17 provided on the outer wall of the connecting shaft 4 and elastically matched with the connecting shaft 4, and a clamping groove matched with the clamping block 17 is provided on the inner wall of the gear ring 9. Figure 7-Figure 8 As shown, an annular mounting groove is provided on the outer peripheral wall of the connecting shaft 4, and a pull ring 24 is sleeved on the mounting groove. Specifically, a first cross bar is fixedly provided on the mounting groove, and the first cross bar passes through the pull ring 24 and slides with it. Through this structure, the pull ring 24 can rotate synchronously with the connecting shaft 4 and can move along the axial direction of the connecting shaft 4;

[0042] The connecting plate 15 is provided with a sliding rod 19 at one end extending to the interior of the vertical plate 501. Figures 8-10As shown, a limiting groove 1501 is provided on the inner wall of the connecting plate 15. Preferably, the limiting groove 1501 can be arc-shaped or straight-line, and the limiting groove 1501 is inclined. The bottom end of the above-mentioned slide rod 19 slides in the limiting groove 1501. When the connecting plate 15 rotates relative to the vertical plate 501, the pressure of the limiting groove 1501 on the slide rod 19 can cause the slide rod 19 to move along the axial direction of the connecting shaft 4, and an annular positioning groove 25 is provided on the outer peripheral wall of the pull ring 24, so that the top end of the slide rod 19 is in the positioning groove 25. When the connecting plate 15 rotates to drive the slide rod 19 to move, the slide rod 19 can drive the pull ring 24 to move relative to the connecting shaft 4, and a traction rope 18 is fixed between the pull ring 24 and the block 17. The traction rope 18 can be made of materials such as steel wire, and the traction rope 18 passes through the connecting shaft 4 and slides with it.

[0043] In order to limit the connection plate 15, this solution is provided with a pull plate 10 at the vertical plate 501. In actual use, at least one vertical plate 501 is arranged with a pull plate 10, and the end of the above-mentioned connection plate 15 extending to the inside of the vertical plate 501 can be fitted with the pull plate 10, and the inner wall of the pull plate 10 is elastically connected with an insert block 1001, and the end of the connection plate 15 is provided with a socket 1502 that matches the insert block 1001. When the driving shaft 8 drives the top pressure unit to rotate to a horizontal state through the collar 13, the socket 1502 at the end of the connection plate 15 can be aligned with the insert block 1001, so that the insert block 1001 can be inserted into the socket 1502, thereby locking the connection plate 15 and the vertical plate 501. Figure 10 As shown, an inclined guide surface 1503 is provided on one or both sides of the end of the connecting plate 15. When the connecting plate 15 rotates, the guide surface 1503 can squeeze the plug 1001 to shrink, thereby avoiding interference between the connecting plate 15 and the plug 1001.

[0044] In order for the driving shaft 8 to drive the collar 13 to rotate, a protrusion 16 is elastically connected to the inner wall of the collar 13 at the driving shaft 8, and a groove that matches the protrusion 16 is opened on the outer peripheral wall of the driving shaft 8, and the protrusion 16 is located at one end of the groove. Both sides are respectively set as a first inclined surface 1601 and a second inclined surface 1602. In actual application, the slope of the first inclined surface 1601 can be greater than the slope of the second inclined surface 1602. Figure 4-Figure 6 As shown, when the driving shaft 8 rotates clockwise, the side edge of the notch contacts the second inclined surface 1602, and the collar 13 drives the extrusion unit to deflect downward to the limit position, as shown in FIG. Figure 3-Figure 4 As shown, at this time, the graphite electrode 2 can contact the driving shaft 8 and the driven shaft 12; when the driving shaft 8 rotates counterclockwise, the side edge of the notch contacts the first inclined surface 1601 and drives the ring 13 to rotate, thereby causing the top pressure units at the driving shaft 8 and the driven shaft 12 to deflect upward to a horizontal state.

[0045] In actual use, the graphite electrode 2 to be roasted is placed between the driving shaft 8 and the driven shaft 12 in sequence, and the graphite electrode 2 is pushed into the furnace body 1 through the bottom plate 5 for roasting. During the roasting process, the connecting shaft 4 is driven to rotate clockwise by the external power component, and the cooperation between the driving shaft 8 and the driven shaft 12 can drive the graphite electrode 2 to rotate, which is conducive to uniform heating of the graphite electrode 2. During the clockwise rotation of the connecting shaft 4, the top pressure unit is in the following state: Figure 3-Figure 4 The state shown is such that the top pressure unit is not in contact with the graphite electrode 2;

[0046] When the roasting is completed, the graphite electrode 2 is moved out of the furnace body 1 through the vertical plate 501. At this time, the connecting shaft 4 is driven to rotate counterclockwise. The cooperation between the protrusion 16 and the notch enables the active shaft 8 to drive the sleeve 13 to rotate counterclockwise, and the sleeve 13 can drive the top pressure unit to deflect upward. Since the top pressure unit at the active shaft 8 is hinged with the top pressure unit on the driven shaft 12, the top pressure unit on the active shaft 8 can drive the top pressure unit at the driven shaft 12 to deflect upward synchronously, thereby lifting the graphite electrode 2 between the active shaft 8 and the driven shaft 12. When the top pressure unit is in a horizontal state, it is aligned with the sleeve 1. The connecting plate 15 fixed with the three phases is rotated downward to the extreme position. At this time, the socket 1502 at the end of the connecting plate 15 can be aligned with the plug 1001 on the pulling plate 10. When the plug 1001 is inserted into the socket 1502, the connecting plate 15 and the vertical plate 501 are locked to maintain the stability of the top pressure unit, so that the top pressure unit can stably support the graphite electrode 2. In addition, during the downward rotation of the connecting plate 15 relative to the vertical plate 501, the pressure of the limiting groove 1501 on the sliding rod 19 can cause the sliding rod 19 to move along the axis of the connecting shaft 4. The pressure of the pull ring 24 can cause the pull ring 24 to move toward the direction close to the block 17, so that the traction rope 18 between the pull ring 24 and the block 17 is loosened, so that the block 17 can pop out, and then drive the connecting shaft 4 to rotate clockwise again. When the block 17 is aligned with the slot, the block 17 can pop out and insert into the slot, so that the clockwise rotation of the connecting shaft 4 can drive the ring gear 9 to rotate, and through the engagement of the ring gear 9 with the transmission teeth, the rotation of the ring gear 9 can drive the push rod 6 and the push plate 7 on one side of the push rod 6 to move. During the specific operation, the overall length of the transmission teeth should be greater than The distance between the driving shaft 8 and the driven shaft 12 enables the transmission teeth to engage with the gear rings 9 at the driving shaft 8 and the driven shaft 12 at the same time. Through this structure, the cooperation of multiple gear rings 9 and the transmission teeth can drive the push rod 6 to continuously move to one side. During this process, the push plate 7 can push the graphite electrode 2 out from between the two vertical plates 501. Since the top pressure unit is deflected upward to a horizontal state, the push plate 7 can push out the graphite electrode 2 more easily. This structure is conducive to the removal of the graphite electrode 2. When all the graphite electrodes 2 are pushed out, the connecting shaft 4 is driven to rotate counterclockwise to drive the push rod 6 to return to the position as shown. Figure 3-Figure 4 The initial state shown;

[0047] Afterwards, the pulling plate 10 is pulled away from the connecting plate 15 to disengage the plug 1001 from the socket 1502. At this time, the connecting plate 15 can be deflected downward, which is conducive to loading the next batch of graphite electrodes 2 to be baked. Before this, the staff can roll the graphite electrodes 2 between multiple sets of driving shafts 8 and driven shafts 12, which is conducive to the loading of the graphite electrodes 2.

[0048] To sum up, this device can drive the graphite electrode 2 to rotate by means of the active shaft 8 and the driven shaft 12, which is beneficial for uniform heating of the graphite electrode 2. Moreover, through the top pressure unit provided, the top pressure unit can be driven to deflect upward to a horizontal state during the counterclockwise rotation of the active shaft 8, which is beneficial for the loading and unloading of the graphite electrode 2.

[0049] like Figures 1-10 As shown, the top of the furnace body 1 is connected to an exhaust pipe 101, which is conducive to extracting the residual heat in the furnace body 1 for utilization. Of course, a furnace opening 102 for the vertical plate 501 and the bottom plate 5 to enter is provided on one side of the furnace body 1. Figure 1 As shown, the size of a vertical plate 501 away from the furnace body 1 can be larger than the size of the furnace opening 102, so that the vertical plate 501 can fit the outer side of the furnace body 1 to seal the furnace body 1.

[0050] The end of the connecting shaft 4 passing through the vertical plate 501 is fixed with a sprocket. Figure 1 As shown, the above-mentioned driving assembly includes a chain sleeved between two adjacent sprockets, the chain is arranged horizontally, and two sprockets are fixedly sleeved on the outer side of the connecting shaft 4 located at the intersection of the two chains. Through this structure, it is beneficial to drive multiple connecting shafts 4 to rotate synchronously. Of course, a motor can be installed at the vertical plate 501 away from the furnace body 1, and one of the connecting shafts 4 is connected to the output end of the motor to drive the chain to rotate.

[0051] The top pressing unit includes a protrusion 1301 provided on the outer wall of the collar 13. The protrusion 1301 is in the shape of a rectangular parallelepiped and is integrally formed with the collar 13. The end of the protrusion 1301 away from the collar 13 is elastically connected to a top plate 1302. Figure 6 As shown, the top plate 1302 is T-shaped, and a rectangular groove is provided at the end of the protrusion 1301 to slide with the top plate 1302. A first spring is fixedly arranged between one end of the top plate 1302 located inside the rectangular groove and the inner end surface of the rectangular groove. The top plate 1302 at the driving shaft 8 and the opposite end of the top plate 1302 at the driven shaft 12 are hinged by a hinge.

[0052] A groove is provided on the inner wall of the collar 13 for sliding engagement with the protrusion 16, and a second spring is fixedly arranged between the inner end face of the groove and the protrusion 16. According to the above description, the slope of the second inclined surface 1602 is relatively small, so that the protrusion 16 can be lifted more easily during the clockwise rotation of the driving shaft 8.

[0053] The outer walls of the driving shaft 8 and the driven shaft 12 are both provided with recessed grooves for mounting the collar 13 , so that the collar 13 is sleeved in the recessed grooves, and the outer walls of the collar 13 are flush with the outer walls of the driving shaft 8 and the driven shaft 12 .

[0054] The inner side of the vertical plate 501 is provided with a slide groove 11, and the push rod 6 is fixedly provided with a slider 601 that slides with the slide groove 11. The cross sections of the slider 601 and the slide groove 11 can be set to T-shaped. In actual use, a limit spring is fixedly provided at one end surface of the inner side of the slide groove 11. When the push rod 6 is in a position such as Figure 3-Figure 4 In the initial position shown, the slider 601 can compress the limit spring. When the connecting shaft 4 drives the ring gear 9 to rotate clockwise, the elastic force of the limit spring on the slider 601 enables the transmission teeth to engage with the ring gear 9.

[0055] A storage groove that slidably cooperates with the clamping block 17 is formed on the outer wall of the connecting shaft 4 , and a third spring is fixedly arranged between the inner end surface of the storage groove and the clamping block 17 .

[0056] A guide groove 20 is provided on the inner wall of the vertical plate 501 for slidingly cooperating with the connecting plate 15. The guide groove 20 is arc-shaped, and the center of the guide groove 20 coincides with the axis of the connecting shaft 4. Figure 8 、 Figure 11 As shown, a connecting groove 22 for accommodating the slide rod 19 is provided on the inner wall of the guide groove 20 on the vertical plate 501;

[0057] In actual use, a through hole is opened on the vertical plate 501 for the connecting shaft 4 to pass through, and the two ends of the connecting groove 22 are respectively connected to the through hole and the guide groove 20. A second cross bar is fixedly arranged in the connecting groove 22. The second cross bar passes through the slide bar 19 and slides with the slide bar 19, so that the slide bar 19 can move along the axial direction of the connecting shaft 4.

[0058] The vertical plate 501 is provided with a strip groove 21 for installing the pull plate 10, and the strip groove 21 is connected to the above-mentioned guide groove 20. Screws 3 are provided on the outside of the vertical plate 501 and at both ends of the pull plate 10. The part where the screw 3 is connected to the vertical plate 501 is set as a light rod structure, so that the screw 3 and the vertical plate 501 rotate in coordination. In addition, the screw 3 passes through the pull plate 10 and is threadedly connected to it. This structure is conducive to driving the pull plate 10 to move in a direction away from the connecting plate 15.

[0059] Reference Figure 12 As shown, the pull plate 10 is provided with a T-slot that slides with the insert block 1001 . The cross section of the insert block 1001 is set to be "├"-shaped, and a spring is fixedly provided between the inner end surface of the T-slot and the insert block 1001 .

[0060] Reference Figure 14-15As shown, in actual use, a transverse plate 14 can be assembled between the driving shaft 8 and the driven shaft 12 that are close to each other. An annular groove 23 is provided on the outer wall of the driving shaft 8 and the driven shaft 12, and a positioning block 1401 that slides with the annular groove 23 is fixedly provided on the transverse plate 14. The cross sections of the positioning block 1401 and the annular groove 23 are both T-shaped. Through this structure, the graphite electrode 2 is facilitated to move between the adjacent driving shaft 8 and the driven shaft 12.

Claims

1. A graphite electrode roasting device, comprising a furnace body, a bottom plate provided on one side of the furnace body, vertical plates fixedly mounted on both sides of the top of the bottom plate, multiple sets of driving shafts and driven shafts mounted between the two vertical plates, and connecting shafts fixedly mounted at the ends of the driving shafts and the driven shafts, the connecting shafts passing through the vertical plates and rotatingly cooperating with the vertical plates, characterized in that: The driving shaft and the driven shaft are both provided with a rotating sleeve with a collar, and a top pressure unit is provided on the outer wall of the collar, and the top pressure unit on the driving shaft is hinged with the top pressure unit on the driven shaft; A connecting plate is provided on the outside of the driving shaft and the driven shaft, and the connecting plate is fixed to the collar. A gear ring is sleeved on the outside of the connecting shaft, and an extrusion assembly meshing with the gear ring is slidably provided on the inner side wall of the vertical plate. When the driving shaft drives the collar to rotate counterclockwise, the top pressure unit can be driven to deflect upward, thereby lifting the graphite electrode upward through the top pressure unit. When the connecting plate rotates with the collar, the connecting shaft and the gear ring can cooperate through the clamping assembly, so that the connecting shaft can drive the extrusion assembly to move to one side through the gear ring; A protrusion is elastically connected to the inner wall of the collar at the driving shaft, and a slot matching the protrusion is provided on the outer peripheral wall of the driving shaft. The protrusion is located at one end of the slot, and two sides thereof are respectively provided with a first inclined surface and a second inclined surface.

2. A graphite electrode roasting device according to claim 1, characterized in that: The extrusion assembly includes a push rod slidably arranged on the inner side of the vertical plate. The push rod is arranged in an L shape, and a transmission tooth engaged with the gear ring is arranged at the bottom of the push rod. A push plate is fixedly arranged on the side of the push rod away from the vertical plate.

3. The graphite electrode roasting device according to claim 2, characterized in that: The clamping assembly includes a clamping block arranged on the outer wall of the connecting shaft and elastically matched with the connecting shaft, a clamping groove matching the clamping block is provided on the inner wall of the gear ring, an annular mounting groove is provided on the outer peripheral wall of the connecting shaft, a pull ring is sleeved on the mounting groove, a sliding rod is provided at one end of the connecting plate extending to the inside of the vertical plate, a limiting groove is provided on the inner wall of the connecting plate, the limiting groove is inclined, the bottom end of the sliding rod slides in the limiting groove, an annular positioning groove is provided on the outer peripheral wall of the pull ring, the top end of the sliding rod is in the positioning groove, and a traction rope is fixed between the pull ring and the clamping block.

4. The graphite electrode roasting device according to claim 1, characterized in that: A pull plate is provided at the vertical plate, an insert block is elastically connected to the inner wall of the pull plate, and an insert hole matched with the insert block is opened at the end of the connecting plate.

5. The graphite electrode roasting device according to claim 1, characterized in that: The top of the furnace body is connected with an exhaust pipe.

6. The graphite electrode roasting device according to claim 1, characterized in that: The pressing unit comprises a protrusion arranged on the outer wall of the collar, and one end of the protrusion away from the collar is elastically connected to the top plate.

7. The graphite electrode roasting device according to claim 6, characterized in that: The top plate at the driving shaft and the end opposite to the top plate at the driven shaft are hinged via a hinge.

8. The graphite electrode roasting device according to claim 2, characterized in that: A sliding groove is provided on the inner side surface of the vertical plate, a sliding block which slides in cooperation with the sliding groove is fixedly provided on the push rod, and a limiting spring is fixedly provided on an end surface inside the sliding groove.

9. The graphite electrode roasting device according to claim 4, characterized in that: An inclined guide surface is provided on one side of the end portion of the connecting plate. When the connecting plate rotates, the inserting block can be squeezed through the guide surface.

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