Consumable electrode dust removal sweeper for vacuum consumable electric arc furnace

Abstract

The utility model discloses a consumable electrode dust removal cleaning machine for a vacuum consumable electric arc furnace, and belongs to the technical field of consumable electrode grinding and cleaning. The cleaning machine comprises a dust removal mechanism and a bag-type dust collector communicated with the dust removal mechanism, wherein the dust removal mechanism comprises a protective cover, a base, two groups of aligning and positioning supports, a clamping unit and a dust removal execution unit; the two groups of aligning and positioning supports are arranged on the base and are used for supporting an electrode; the clamping unit is used for clamping the electrode; according to the utility model, the electrode is lifted to a proper position while being supported by the two groups of aligning and positioning supports, and then the electrode is clamped by the clamping unit, so that the rotating impurity removal position of the electrode is determined; the dust removal execution unit is arranged to remove impurities on the surface of an electrode, the height of the wheel type brush head is adjusted through the lifting air cylinder according to the height of the electrode, the stretching length of the wheel type brush head is adjusted through the telescopic air cylinder according to the diameter size of the electrode, and the full-length surface of the electrode is covered with the impurity removal range of the wheel type brush head through position changes of the supporting plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of self -consumption electrode grinding and cleaning, specifically relates to a self -consumption electrode dust removal cleaning machine for vacuum self -consumption electric arc furnace. BACKGROUND

[0002] Self -consumption electrode is the electrode device that is gradually consumed as the conductive material in vacuum self -consumption electric arc smelting process (VAR), is composed of sponge titanium, returned material and alloy additive material and is used for producing titanium and titanium alloy billets. Sponge titanium is pressed into a multi -lobe structure, and then is welded together in a vacuum box using argon arc. In order to improve the electrode surface quality, the electrode surface welding slag, black attachments, impurities and the like after welding need to be ground and removed. The existing electrode adopts manual dust removal and grinding mode, and the efficiency is low. There are certain safety hazards in the grinding and cleaning process of titanium material. At present, there is no equipment for automatically removing dust and cleaning the electrode. SUMMARY

[0003] The utility model solves the technical problems in the prior art, and provides a self -consumption electrode dust removal cleaning machine for vacuum self -consumption electric arc furnace.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a self -consumption electrode dust removal cleaning machine for vacuum self -consumption electric arc furnace, characterized by comprising a dust removal mechanism and a bag type dust collector communicated with the dust removal mechanism. The dust removal mechanism comprises a protective cover, a base, two groups of aligning positioning supports for supporting the electrode, a clamping unit for clamping the electrode and a dust removal execution unit for removing the impurities on the electrode surface, which are all arranged on the base. The dust removal execution unit comprises a support plate arranged beside the electrode and a lifting guide rail vertically installed on the support plate. A first guide sliding block is arranged in the lifting guide rail. A telescopic guide rail is transversely installed on the first guide sliding block. A lifting cylinder is installed on the top of the lifting guide rail, and the telescopic end of the lifting cylinder is connected with the telescopic guide rail. A second guide sliding block is arranged in the telescopic guide rail. A telescopic cylinder is installed on the rear side of the telescopic guide rail, and the telescopic end of the telescopic cylinder is connected with the second guide sliding block. A mounting box is connected with the second guide sliding block through a connecting piece. A wheel type brush head is installed on the front side of the mounting box and protrudes from the bottom of the mounting box. A pneumatic motor is installed on the rear side of the mounting box and is used to drive the wheel type brush head to rotate. A dust collecting disc is arranged on the lower side of the mounting box and extends into the lower part of the electrode.

[0005] The self-consuming electrode dust removal cleaning machine for vacuum self-consuming arc furnace has the characteristics that the clamping unit comprises a first track arranged at one end of the base and a second track arranged at the other end of the base, a first box body is arranged on the first track in a sliding mode, a second box body is arranged on the second track in a sliding mode, a first oil cylinder for pushing and pulling the first box body is arranged on the base at the bottom of the first box body, a second oil cylinder for pushing and pulling the second box body is arranged on the base at the bottom of the second box body, a first rotating shaft and a first motor for driving the first rotating shaft are arranged in the first box body, a first three-jaw chuck is arranged on one end of the first rotating shaft extending out of the box body, a second three-jaw chuck for clamping the electrode in cooperation with the first three-jaw chuck is arranged on one end of the second rotating shaft extending out of the second box body.

[0006] The self-consuming electrode dust removal cleaning machine for vacuum self-consuming arc furnace has the characteristics that two groups of aligning positioning support devices are arranged on the base at the region between the first track and the second track, the aligning positioning support device comprises two aligning positioning support units arranged in a symmetrical mode, the aligning positioning support unit comprises a support wheel, two clamping plates respectively connected to the outer ends of the central shaft of the support wheel, and three hinged seats arranged on the base, one end of the two clamping plates is connected through a first connecting shaft, the other end of the two clamping plates is connected through a second connecting shaft, two of the three hinged seats are arranged oppositely and are hinged with the first connecting shaft, a third oil cylinder is arranged on the third hinged seat, and the telescopic end of the third oil cylinder is hinged with the second connecting shaft.

[0007] The self-consuming electrode dust removal cleaning machine for vacuum self-consuming arc furnace has the characteristics that the first motor drives the first rotating shaft through a first belt drive, the first three-jaw chuck is provided with a tight disc at one end close to the electrode, and the second three-jaw chuck is provided with a floating tight disc at one end close to the electrode.

[0008] The self-consuming electrode dust removal cleaning machine for vacuum self-consuming arc furnace has the characteristics that the dust removal execution unit further comprises a third track arranged in parallel with the length direction of the electrode and used for sliding of the support plate, a second motor is arranged at one end of the third track close to the first motor, the second motor is in transmission connection with a main sprocket, a slave sprocket is arranged on the base at the middle position of the other end of the third track, the main sprocket and the slave sprocket are connected through a chain, and the bottom of the support plate is connected with the top of the upper half of the chain.

[0009] The self-consuming electrode dust removal cleaning machine for vacuum self-consuming arc furnace has the characteristics that the first motor and the second motor are located outside the protective cover.

[0010] The self-consumption electrode dust removal cleaning machine for vacuum self-consumption arc furnace has the characteristics that a third connecting shaft is arranged in the center of the wheel type brush head, the two ends of the third connecting shaft are hinged to the two side walls of the mounting box, and the pneumatic motor drives the third connecting shaft through the second belt transmission device.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1、 The utility model discloses a pair of aligning positioning support devices are arranged on the electrode lifting mechanism, and the electrode lifting mechanism is used for lifting the electrode to the appropriate position, and the clamping unit is used for clamping the electrode, and the position of the electrode rotating and removing the impurities is determined.

[0013] 2、 The utility model discloses a dust removal execution unit is arranged on the electrode, and the height of the wheel type brush head is adjusted according to the height of the electrode by the lifting cylinder, and the extension length of the wheel type brush head is adjusted according to the diameter size of the electrode by the telescopic cylinder, and the support plate position changes, and the wheel type brush head removes the impurities, and the full length surface of the electrode is covered, and it is reliable and stable, and the use effect is good.

[0014] 3、 The utility model discloses a novel and reasonable design, and the dust receiving disc is arranged on the lower side of the mounting box and extends to the lower part of the electrode and is used for receiving the impurities with large mass, and the bag type dust collector is used for removing the impurities with small mass, and the impurities with small mass enter the dust hopper through the air inlet, and the coarse dust particles directly fall into the bottom of the dust hopper, and the fine dust particles enter the box body upwards along with the airflow, and the dust is accumulated on the outer surface of the filter bag, and the filtered gas enters the air outlet and is discharged to the atmosphere, and the utility model is convenient to use.

[0015] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is Figure 1 It is a top view of the utility model without the protective cover and the aligning positioning support device.

[0018] Figure 3 It is Figure 1 It is a left view of the utility model without the protective cover.

[0019] Figure 4 It is a structural schematic diagram of the utility model.

[0020] MARKING OF DRAWINGS:

[0021] 1 - base; 2 - first oil cylinder; 3 - second oil cylinder;

[0022] 4 - first box body; 5 - second box body; 6 - first rotating shaft;

[0023] 7 - second rotating shaft; 8 - first three-jaw chuck; 9 - second three-jaw chuck;

[0024] 10 - top pressing disc; 11 - floating top pressing disc; 12 - electrode;

[0025] 13 - first motor; 14 - first belt drive; 15 - first track;

[0026] 16 - second track; 17 - aligning positioning support; 18 - dust receiving disc;

[0027] 19 - mounting box; 20 - wheeled brush head; 21 - lifting guide rail;

[0028] 22 - lifting cylinder; 23 - pneumatic motor; 24 - telescopic cylinder;

[0029] 25 - telescopic guide rail; 26 - support plate; 27 - third track;

[0030] 28 - second motor; 29 - main sprocket; 30 - slave sprocket;

[0031] 31 - chain; 32 - hinged seat; 33 - first connecting shaft;

[0032] 34 - clamping plate; 35 - second connecting shaft; 36 - third oil cylinder;

[0033] 37 - support wheel; 38 - second belt drive; 39 - third connecting shaft;

[0034] 40 - protective cover; 41 - bag-type dust collector; 42 - first guide slider;

[0035] 43 - second guide slider. DETAILED DESCRIPTION

[0036] As Figures 1 to 4The utility model discloses a dust removal mechanism and the cloth bag dust collector 41 who communicates with dust removal mechanism, the dust removal mechanism includes the protective cover 40, the base 1 and the two groups of aligning positioning support 17 for supporting electrode 12 all setting on the base 1, the clamping unit for clamping electrode 12 and the dust removal execution unit for removing the surface impurity of electrode 12, the dust removal execution unit includes the support plate 26 setting on the side of electrode 12 and the lifting guide rail 21 vertically installed on the support plate 26, is provided with the first guide sliding block 42 in the lifting guide rail 21, the telescopic guide rail 25 is horizontally installed on the first guide sliding block 42, the top of lifting guide rail 21 is equipped with lifting cylinder 22 and the telescopic end of lifting cylinder 22 is connected with telescopic guide rail 25, is provided with the second guide sliding block 43 in telescopic guide rail 25, the rear side of telescopic guide rail 25 is equipped with telescopic cylinder 24 and the telescopic end of telescopic cylinder 24 is connected with the second guide sliding block 43, the mounting box 19 is connected with the second guide sliding block 43 through the connecting piece, the mounting box 19 front side is equipped with the wheel type brush head 20 of protruding the mounting box 19 bottom, the mounting box 19 rear side is equipped with the pneumatic motor 23 for driving wheel type brush head 20 rotation, the mounting box 19 lower side is provided with the dust receiving disc 18 of inducting to the lower part of electrode 12.

[0037] It needs to be explained that the electrode is lifted to the appropriate position by setting two groups of aligning positioning support to support the electrode, and then the electrode is clamped by the clamping unit to determine the position of the electrode rotating to remove the impurities, the dust on the surface of the electrode is removed by setting the dust removal execution unit, the height of the wheel type brush head is adjusted according to the height of the electrode by the lifting cylinder, the inducting length of the wheel type brush head is adjusted according to the diameter size of the electrode by the telescopic cylinder, the wheel type brush head removes the impurities covering the full length surface of the electrode by the position change of the support plate, the dust receiving disc set on the lower side of the mounting box inducting to the lower part of the electrode is used for receiving the impurities with large mass, the cloth bag dust collector is set for removing the impurities with small mass, the impurities with small mass enter the dust hopper from the air inlet, the coarse dust particles directly fall into the bottom of the dust hopper, the fine dust particles enter the box upward along with the airflow turning, the dust is accumulated on the outer surface of the filter bag, and the filtered gas is discharged to the atmosphere through the air outlet.

[0038] It needs to be explained that there is certain safety hazard in the polishing and cleaning process of the titanium material, therefore, the dust removal execution unit adopts the lifting cylinder 22, the telescopic cylinder 24 and the pneumatic motor 23, the wheel type brush head 20 is a stainless steel brush, the rotation of the steel wire wheel brush does not exist autorotation, the pneumatic motor 23 is fixed on the mounting box 19, the exhaust port of the pneumatic motor 23 is located outside the mounting box and the exhaust gas is aligned with the electrode to blow off the dust.

[0039] In the embodiment, the clamping unit comprises a first track 15 arranged at one end of the base 1 and a second track 16 arranged at the other end of the base 1, the first box 4 is arranged on the first track 15 in sliding mode, the second box 5 is arranged on the second track 16 in sliding mode, the first oil cylinder 2 for pushing and pulling the first box 4 is arranged on the base 1 at the bottom of the first box 4, the second oil cylinder 3 for pushing and pulling the second box 5 is arranged on the base 1 at the bottom of the second box 5, the first rotating shaft 6 and the first motor 13 for driving the first rotating shaft 6 are arranged in the first box 4, the first three-jaw chuck 8 is arranged at the end of the first rotating shaft 6 extending out of the box, the second rotating shaft 7 is arranged in the second box 5, and the second three-jaw chuck 9 for clamping the electrode 12 in cooperation with the first three-jaw chuck 8 is arranged at the end of the second rotating shaft 7 extending out of the box.

[0040] In actual arrangement, the base 1 is welded by section steel, the length of the first track 15 is a fixed value of 50 cm, and the reserved space is used for preventing bumping when the electrode is loaded and unloaded, the length of the second track 16 is relatively long according to actual situation, so that electrodes with different lengths can be clamped. The movement of the box is performed on the track, and the selected track not only runs smoothly, but also can bear the additional load during the operation of the equipment.

[0041] In the embodiment, the two sets of centering positioning support devices 17 are arranged on the base 1 in the region between the first track 15 and the second track 16, the centering positioning support device 17 comprises two symmetrically arranged centering positioning support units, the centering positioning support unit comprises a supporting wheel 37, two clamping plates 34 respectively connected to the outer ends of the central shaft of the supporting wheel 37, and three hinged seats 32 installed on the base 1, one end of the two clamping plates 34 is connected through a first connecting shaft 33, the other end of the two clamping plates 34 is connected through a second connecting shaft 35, two of the three hinged seats 32 are arranged oppositely and are hinged with the first connecting shaft 33, and a third hinged seat 32 of the three hinged seats 32 is installed with a third oil cylinder 36, and the telescopic end of the third oil cylinder 36 is hinged with the second connecting shaft 35.

[0042] In the embodiment, the first motor 13 drives the first rotating shaft 6 through the first belt drive 14, the first three-jaw chuck 8 is provided with a tightening disc 10 at the end close to the electrode 12, and the second three-jaw chuck 9 is provided with a floating tightening disc 11 at the end close to the electrode 12.

[0043] It should be noted that the clamping disc is designed to ensure that the electrode can be polished as a whole, and is made according to the actual diameter interval of the electrode, and is used to clamp the axial end face of the electrode and drive the electrode to rotate by friction, so as to facilitate the polishing device to polish the surface of the electrode. The clamping disc 10 is a fixed structure, and there are various specifications according to the electrode specifications. Each time, the corresponding clamping disc is clamped on the chuck according to the electrode specification to drive the electrode. Since the electrode is a pressure type welding, the coaxiality error of the whole electrode is large, and the driving rotation is easy to cause the chuck at the other end of the electrode to swing. If this problem is not eliminated, it will affect the stability of the whole device and the clamping force of the clamping disc, and there is a security risk of material falling off. Therefore, a floating clamping disc 11 is used at the other end of the electrode, and an active joint structure is designed to eliminate this hidden danger.

[0044] In the embodiment, the ash removal execution unit further comprises a third track 27 arranged in parallel with the length direction of the electrode 12 and used for supporting the sliding of the support plate 26. One end of the third track 27 close to the first motor 13 is provided with a second motor 28. The second motor 28 is in transmission connection with a main sprocket 29. A slave sprocket 30 is installed on the base 1 at the middle position of the other end of the third track 27. The main sprocket 29 and the slave sprocket 30 are connected through a chain 31. The bottom of the support plate 26 is connected with the top of the upper half of the chain 31.

[0045] In the embodiment, the first motor 13 and the second motor 28 are located outside the protective cover 40.

[0046] It should be noted that, for safety, the first motor 13 and the second motor 28 are isolated outside the protective cover 40. The protective cover 40 is a fully enclosed mechanism made of 304 steel plate, high-quality carbon steel profile and glass. The structure of the double-leaf door is convenient for hoisting and lifting of the electrode, and for maintenance and debugging operation of the device by the operator. The protective cover 40 and the rear end of the device and the electrode installation position are left with enough operation space. There are multiple observation windows on the protective cover, which is convenient for personnel to observe the running status of the device from outside. The door joints of the whole protective cover 40 are all made of high-temperature-resistant sealing strips, which reduces dust leakage and improves recovery efficiency. The dust generated by polishing is extracted through the pipeline at the rear end of the protective cover 40 and the fan, and enters the bag dust collector 41 for treatment.

[0047] In the embodiment, the third connecting shaft 39 is arranged at the center of the wheel type brush head 20, and the two ends of the third connecting shaft 39 are hinged to the two side walls of the mounting box 19. The pneumatic motor 23 drives the third connecting shaft 39 through the second belt transmission 38.

[0048] It should be noted that the first belt drive 14 and the second belt drive 38 each include a driving wheel, a driven wheel and an annular belt, which realize smooth transmission through elastic buffering effect, the first belt drive 14 drives the electrode to rotate, the second belt drive 38 drives the wheel type brush head 20 to rotate and work under the driving of the pneumatic motor 23, the pneumatic motor 23 has the elastic characteristic of pneumatic, can realize automatic adjustment of the distance between the steel wire wheel brush and the electrode, so as to achieve the best dust removal effect, since the electrode has a high cost, the first belt drive 14 and the second belt drive 38 allow to slip during the working process, avoiding hard torsion or polishing on the electrode.

[0049] The above is only a preferred embodiment of the present application, and does not limit the present application in any way. Any simple modification, change or equivalent structural change made according to the technical essence of the present application to the above embodiment is still within the protection scope of the technical solution of the present application.

Claims

1. A de-dusting cleaning machine for a consumable electrode of a vacuum arc furnace, characterized in that: The utility model provides a dust removal mechanism and cloth bag dust collector (41) who communicates with dust removal mechanism, the dust removal mechanism includes protective cover (40), base (1) and two groups of aligning positioning supports (17) for supporting electrode (12) are all arranged on base (1), the clamping unit for clamping electrode (12) and the dust removal execution unit for removing the impurity on the surface of electrode (12), the dust removal execution unit includes the support plate (26) for setting up electrode (12) side and the lifting guide rail (21) vertically installed on support plate (26), first guide slider (42) is arranged in lifting guide rail (21), first guide slider (42) is transversely installed with telescopic guide rail (25), lifting guide rail (21) top is installed with lifting cylinder (22) and the telescopic end of lifting cylinder (22) is connected with telescopic guide rail (25), telescopic guide rail (25) is arranged with second guide slider (43), telescopic guide rail (25) rear side is installed with telescopic cylinder (24) and the telescopic end of telescopic cylinder (24) is connected with second guide slider (43), mounting box (19) is connected with second guide slider (43) through connecting piece, mounting box (19) front side is installed with the wheel type brush head (20) that protrudes the bottom of mounting box (19), mounting box (19) rear side is installed with the pneumatic motor (23) for driving wheel type brush head (20) rotation, mounting box (19) lower side is provided with the dust collecting disc (18) that extends into the lower part of electrode (12).

2. A self-scrubbing machine for de-dusting the consumable electrode of a vacuum arc furnace according to claim 1, characterized in that: The clamping unit includes a first track (15) disposed at one end of the base (1) and a second track (16) disposed at the other end of the base (1), a first box body (4) is slidably disposed on the first track (15), a second box body (5) is slidably disposed on the second track (16), a first oil cylinder (2) for pushing and pulling the first box body (4) is disposed on the base (1) at the bottom of the first box body (4), a second oil cylinder (3) for pushing and pulling the second box body (5) is disposed on the base (1) at the bottom of the second box body (5), a first rotating shaft (6) and a first motor (13) for driving the first rotating shaft (6) are disposed in the first box body (4), a first three-jaw chuck (8) is mounted on one end of the first rotating shaft (6) extending out of the box body, a second rotating shaft (7) is disposed in the second box body (5), a second three-jaw chuck (9) for clamping the electrode (12) in cooperation with the first three-jaw chuck (8) is mounted on one end of the second rotating shaft (7) extending out of the box body.

3. A consumable electrode de-dusting and cleaning machine for a vacuum arc consumable electrode furnace according to claim 2, characterized in that: Two sets of centering positioning supports (17) are arranged on the base (1) in the region between the first track (15) and the second track (16), the centering positioning supports (17) comprising two symmetrically arranged centering positioning support units, the centering positioning support units comprising a support wheel (37), two clamping plates (34) respectively connected to the outer ends of the central shaft of the support wheel (37), and three hinged seats (32) mounted on the base (1), one end of the two clamping plates (34) being connected by a first connecting shaft (33), the other end of the two clamping plates (34) being connected by a second connecting shaft (35), two of the three hinged seats (32) being oppositely arranged and hinged to the first connecting shaft (33), and a third hinged seat (32) of the three hinged seats (32) being provided with a third oil cylinder (36), the telescopic end of the third oil cylinder (36) being hinged to the second connecting shaft (35).

4. A consumable electrode de-dusting and cleaning machine for a vacuum arc remelting furnace according to claim 2, characterized in that: The first motor (13) drives the first rotating shaft (6) through the first belt drive (14), and the first three-jaw chuck (8) is provided with a clamping disc (10) near one end of the electrode (12), and the second three-jaw chuck (9) is provided with a floating clamping disc (11) near one end of the electrode (12).

5. A consumable electrode de-dusting and cleaning machine for a vacuum arc remelting furnace according to claim 2, characterized in that: The ash removal executing unit further comprises a third track (27) arranged in parallel with the length direction of the electrode (12) and used for sliding of the support plate (26), one end of the third track (27) near the first motor (13) is provided with a second motor (28), the second motor (28) is in transmission connection with a main sprocket (29), a slave sprocket (30) is mounted on the base (1) at the middle position of the other end of the third track (27), the main sprocket (29) and the slave sprocket (30) are connected by a chain (31), and the bottom of the support plate (26) is connected with the top of the upper half of the chain (31).

6. A consumable electrode de-dusting and cleaning machine for a vacuum arc remelting furnace according to claim 5, characterized in that: The first motor (13) and the second motor (28) are located outside the protective cover (40).

7. A consumable electrode de-dusting and cleaning machine for a vacuum arc remelting furnace according to claim 1, characterized in that: The wheel type brush head (20) is provided with a third connecting shaft (39) in the center, the two ends of the third connecting shaft (39) are hinged to the two side walls of the mounting box (19), and the pneumatic motor (23) drives the third connecting shaft (39) through the second belt drive (38).

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