CN220972039U - Equipment for rust removal of inner cavity of hot rolling straightening roller of medium plate - Google Patents
Equipment for rust removal of inner cavity of hot rolling straightening roller of medium plate Download PDFInfo
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- CN220972039U CN220972039U CN202322798648.5U CN202322798648U CN220972039U CN 220972039 U CN220972039 U CN 220972039U CN 202322798648 U CN202322798648 U CN 202322798648U CN 220972039 U CN220972039 U CN 220972039U
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- sand blasting
- moving mechanism
- straightening
- guide
- blasting gun
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000005098 hot rolling Methods 0.000 title claims abstract description 9
- 238000005488 sandblasting Methods 0.000 claims abstract description 127
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract 2
- 230000006872 improvement Effects 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cleaning In General (AREA)
Abstract
An equipment for rust removal of inner cavities of hot rolling straightening rollers of medium plates is used in the technical field of metallurgical equipment. A first transmission motor arranged on the trolley moving mechanism drives the straightening roller and the rotary roller shaft mechanism to enter the closed sand blasting bin through chain transmission, and a second transmission motor of the rotary roller shaft mechanism drives the straightening roller on the rotary roller shaft mechanism to do uniform rotation motion in the sand blasting bin through chain transmission; the sand blasting gun is fixed on the horizontal sand blasting steel pipe, and a transmission motor on the sand blasting gun moving mechanism drives the sand blasting gun to horizontally move to the inner cavity of the straightening roller through the transmission of the transverse screw rod and the nut; the sand blasting valve of the pressing-in sand blasting tank enables the sand blasting gun to realize reciprocating type horizontal movement sand blasting rust removal under the action of the sand blasting gun moving mechanism. The automatic rust removing device has the advantages of high automation degree, uniform rust removing, great improvement of the rust removing effect, reduction of the labor intensity of rust removing operation, effective reduction of potential safety hazards, ensuring of accurate rust removing of the inner cavity of the straightening roller, thorough cleaning, no need of manual intervention in the whole rust removing process and high rust removing efficiency.
Description
Technical Field
The utility model relates to the technical field of metallurgical equipment, in particular to rust removing equipment for a cooling water channel in an inner cavity of a straightening roller of a hot-rolling straightener for medium plates.
Background
In the metallurgical industry, because the steel plate straightened by the hot rolling straightener for the medium plate is a hot rolled steel plate with the temperature higher than 800 ℃ in a hot state, the working environment temperature is higher, and the straightening roller is in a high-temperature working environment for a long time in the straightening process, so that the defects of abnormal abrasion, abnormal steel dipping and the like are extremely easy to occur, and the machine is stopped due to faults. Under normal conditions, the steel dipping of the roller is influenced by factors such as roller roughness, roller box and equipment installation precision, serious exceeding of the temperature of the straightening steel plate and the like, and depends on the water cooling effect and the cooling uniformity degree of the inner cavity of the straightening roller. Because the inner cavity of the straightening roller is a long and thin deep hole and circularly works in a cooling water environment for a long time, the scale accumulation of the inner cavity can be caused by the circulation of cooling water in the inner cavity of the straightening roller, so that the large-area rust of the inner cavity is serious, the excessive accumulation of impurities, scale and oxide skin greatly influences the heat dissipation of the straightening roller body, and the inner cavity of the straightening roller cannot be cleaned and derusted timely and effectively during overhaul and maintenance, so that the defects of steel dipping, abnormal abrasion and the like of the roller surface are caused by insufficient cooling, uneven cooling and the like in the working environment of the straightening roller.
At present, in the repair operation process of a roll box of a hot-rolled straightening machine for a medium plate, the difficulty of derusting a cooling water channel of an inner cavity of a straightening roll is relatively high, and the following defects exist in the conventional repair process of cleaning and derusting the inner cavity of the straightening roll:
1. The inner cavity of the straightening roller is cleaned by diluted hydrochloric acid in a certain proportion to remove rust, so that the rust remover has great potential safety hazard, is low in efficiency, is extremely not environment-friendly and has great harm to human bodies.
2. Because the inner cavity of the straightening roller belongs to a deep long hole, a steel pipe is usually used for binding a steel wire brush to reciprocate, the cleaning difficulty and the labor intensity are relatively high by means of manual cleaning, the cleaning is incomplete, and the cleaning is uneven.
Disclosure of Invention
The utility model aims to overcome the defects of the existing hot rolling straightening roller inner cavity rust removal technology, and provides equipment for removing rust in an inner cavity of a hot rolling straightening roller of a medium plate so as to solve the rust removal problem of a cooling water channel in the inner cavity of the straightening roller of a hot rolling straightening machine of the medium plate.
In order to achieve the aim of the utility model, a first transmission motor arranged on a trolley moving mechanism drives a straightening roller and a rotary roller shaft mechanism to enter a closed sand blasting bin through chain transmission, and a second transmission motor of the rotary roller shaft mechanism drives the straightening roller on the rotary roller shaft mechanism to do uniform rotation motion in the sand blasting bin through chain transmission; the sand blasting gun is fixed on the horizontal sand blasting steel pipe, and a transmission motor on the sand blasting gun moving mechanism drives the sand blasting gun to horizontally move to the inner cavity of the straightening roller through the transmission of the transverse screw rod and the nut; the sand blasting valve of the pressing-in sand blasting tank enables the sand blasting gun to realize reciprocating type horizontal movement sand blasting rust removal under the action of the sand blasting gun moving mechanism.
Further, the first transmission motor is fixed on the trolley moving mechanism, the first driving chain wheel of an output shaft of the transmission motor is connected with the first driven chain wheel on one connecting shaft of the rollers through chain transmission, the rollers at two ends of the two connecting shafts are in rolling connection with the guide rails of the inlet guide rail frame, the rollers are connected and fixed at two ends of the connecting shafts through screws and end covers, the rollers are positioned at the outer side of the trolley moving mechanism, two ends of the connecting shafts are connected with the trolley moving mechanism through the second belt seat bearing, and an extension guide rail connected with the inlet guide rail frame is arranged in the sand blasting bin.
Further, the second transmission motor is fixed on the trolley moving mechanism, the trolley places the straightening roller to be derusted between two rows of freely rotatable rotating roller shafts on the rotating roller shaft mechanism, the two rows of rotating roller shafts are connected with the trolley moving mechanism through second bearing seats at two ends in a bolt manner, the second bearing seats are internally provided with first deep groove ball bearings, one row of rotating roller shafts are powered rotating roller shafts, a driving chain wheel of an output shaft of the second transmission motor is connected with a driven chain wheel of the second transmission motor through chain transmission, and the second transmission motor drives one row of rotating roller shafts to rotate and drives the straightening roller to rotate at a constant speed through friction resistance; the inner ring of the first deep groove ball bearing is positioned with the stepped shaft of the rotary roll shaft through the first elastic retainer ring for the shaft, and the outer ring is positioned through the second end cover; the rotary roll shaft is provided with a plurality of rubber wheels, and the rubber wheels are uniformly arranged on the rotary roll shaft.
Further, the transmission motor III is fixed on a motor base at the top of the sand blasting gun moving mechanism; the sand blasting gun is in threaded connection with a horizontal sand blasting steel pipe, the horizontal sand blasting steel pipe is fixedly connected with the lower part of a vertical connecting rod, a screw nut at the upper part of the vertical connecting rod is in threaded connection with a transverse screw rod, a first bearing seat, a second deep groove ball bearing and a third end cover are arranged at two ends of the transverse screw rod, the first bearing seat is fixed on a sand blasting gun moving mechanism, an output shaft of a third transmission motor is connected with the transverse screw rod through chain transmission, the third transmission motor drives the transverse screw rod to rotate, and the screw nut, the vertical connecting rod, the horizontal sand blasting steel pipe and the sand blasting gun are driven to realize horizontal reciprocating movement; the horizontal sand blasting steel pipe is fixed by an upper group of height adjusting mechanisms and a lower group of height adjusting mechanisms, the height adjusting mechanisms are used for realizing height adjustment and horizontal guiding positioning of the horizontal sand blasting steel pipe, a hand wheel of each height adjusting mechanism is connected with one end of a screw rod, the other end of the screw rod is connected with a guide wheel frame through a bearing I with a seat, a screw rod fixing nut is arranged in the middle of the screw rod and is fixed on a bracket of a sand blasting gun moving mechanism through screws, and the screw rod is driven to rotate by manually rotating the upper hand wheel and the lower hand wheel, so that the screw rod can support the sand blasting gun and the horizontal sand blasting steel pipe to adjust in height; guide posts are arranged on the support of the sand blasting gun moving mechanism and on two sides of the screw rod, the guide sleeve is fixed on the support of the guide wheel frame and the sand blasting gun moving mechanism, two ends of the guide posts are fixedly connected with the guide sleeve through screws, and the guide posts are in sliding connection with the middle guide sleeve; the inner side of the guide column is provided with two groups of guide wheels which are fixed on a bracket of the sand blasting gun moving mechanism, and each group of guide wheels carries out horizontal guiding positioning on the horizontal sand blasting steel pipe.
Further, the tail of the horizontal sand blasting steel pipe is connected with a sand blasting hose, and the sand blasting hose is connected with a sand outlet of the pressed-in sand blasting tank.
Further, a plurality of visual windows are arranged on the closed sand blasting bin.
Compared with the prior art, the utility model has the advantages that the straightening roller to be derusted is arranged on the rotary roller shaft on the trolley moving mechanism, the straightening roller is conveyed into the closed sand blasting bin by the trolley moving mechanism, the rotary roller shaft drives the straightening roller to rotate at a constant speed, the sand blasting moving mechanism drives the sand blasting gun to automatically perform reciprocating type horizontal movement sand blasting derusting treatment on the inner cavity of the straightening roller to be derusted, the degree of automation is high, the derusting is uniform, the derusting effect can be greatly improved, the labor intensity of derusting operation is reduced, compared with hydrochloric acid cleaning derusting, the potential safety hazard can be effectively reduced, the accurate derusting of the inner cavity of the straightening roller is ensured, the cleaning is thorough, the whole derusting process does not need manual intervention, and the derusting efficiency is high.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the carriage moving mechanism and the entrance rail frame portion of fig. 1.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a side view of fig. 2.
Fig. 5 is a schematic view of the carriage moving mechanism and the closed blasting booth portion of fig. 1.
Fig. 6 is a top view of fig. 5.
Fig. 7 is a side view of fig. 5.
Fig. 8 is a schematic view of a portion of the blast gun movement mechanism 6 of fig. 1.
Fig. 9 is a partial enlarged view at X of fig. 2.
Fig. 10 is a partial enlarged view at Z of fig. 3.
Fig. 11 is a partial enlarged view at Y of fig. 1.
In the figure: 1. driving; 2. straightening rollers; 3. a carriage moving mechanism; 4. a rotating roller mechanism; 5. a sand blasting gun; 6. a sand blasting gun moving mechanism; 7. a sand blasting bin; 8. a sandblasting tank; 9. an inlet guide rail frame; 10. a height adjusting mechanism; 11. a first transmission motor; 12. a transmission motor II; 13. a transmission motor III; 14. a roller; 15. a guide rail; 16. rotating the roll shaft; 17. a deep groove ball bearing I; 18. a motor base; 19. horizontally sand blasting the steel pipe; 20. a vertical connecting rod; 21. a screw nut; 22. a transverse screw rod; 23. a first bearing seat; 24. a deep groove ball bearing II; 25. an end cover III; 26. a hand wheel; 27. a screw rod; 28. a first bearing with a seat; 29. a screw rod fixing nut; 30. a guide post; 31. guide sleeve; 32. a guide wheel frame; 33. a guide wheel; 34. a blasting hose; 35. a blast valve; 36. a connecting shaft; 37. an end cover I; 38. a first elastic retainer ring for a shaft; 39. an end cover II; 40. a rubber wheel; 42. a first driving sprocket; 43. a driven sprocket I; 44. a driving sprocket II; 45. a driven sprocket II; 46. a driving sprocket III; 47. a driven sprocket III; 48. a visual window; 49. extending the guide rail; 50. a second bearing seat; 51. and a second bearing with a seat.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, the straightening roller 2 of the utility model is lifted by a crane 1, the straightening roller 2 to be derusted is arranged on a rotary roller shaft mechanism 4 on a trolley moving mechanism 3, a transmission motor I11 arranged on the trolley moving mechanism 3 is started, and the transmission motor I11 drives the straightening roller 2 and the rotary roller shaft mechanism 4 to enter a closed sand blasting bin 7 through chain transmission; starting a second transmission motor 12 arranged on the trolley moving mechanism 3, and driving a straightening roller 2 on the rotary roller shaft mechanism 4 to do uniform rotation motion in the sand blasting bin 7 by chain transmission through the second transmission motor 12; the sand blasting gun 5 is fixed on a horizontal sand blasting steel pipe 19, a transmission motor III 13 on the sand blasting gun moving mechanism 6 is started, and the transmission motor III 13 drives the sand blasting gun 5 to horizontally move to the inner cavity of the straightening roller 2 through the transmission of a transverse screw rod 22 and a screw rod nut 21; the sand blasting valve 35 of the pressing-in sand blasting tank 8 is opened, and the sand blasting valve 35 enables the sand blasting gun 5 to realize reciprocating type horizontal movement sand blasting and rust removal under the action of the sand blasting gun moving mechanism 6, so that the purpose of automatically cleaning and rust removal of the inner cavity of the straightening roller 2 is achieved.
The first transmission motor 11 is fixed on the trolley moving mechanism 3, a first driving sprocket 42 of an output shaft of the first transmission motor 11 is connected with a first driven sprocket 43 on one connecting shaft 36 of the rollers 14 through chain transmission, the rollers 14 at two ends of the two connecting shafts 36 are in rolling connection with the guide rail 15 of the inlet guide rail frame 9, the rollers 14 are connected and fixed at two ends of the connecting shafts 36 through screws and the first end cover 37, and are positioned outside the trolley moving mechanism 3, and two ends of the connecting shafts 36 are connected with the trolley moving mechanism 3 through the second bearing 51. The first transmission motor 11 is started, the trolley moving mechanism 3, the straightening roller 2 to be derusted and the rotary roller shaft mechanism 4 are conveyed into the sand blasting bin 7 through chain transmission at a constant speed on the guide rail 15 of the inlet guide rail frame 9 by the roller 14 on the trolley moving mechanism 3, and an extension guide rail 49 connected with the inlet guide rail frame 9 is arranged in the sand blasting bin 7, so that smooth entering into the sand blasting bin 7 is ensured.
The second transmission motor 12 is fixed on the trolley moving mechanism 3, the straightening roller 2 to be derusted is placed between two rows of freely rotatable rotating roller shafts 16 on the rotating roller shaft mechanism 4 by the travelling crane 1, the two rows of rotating roller shafts 16 are connected with the trolley moving mechanism 3 through second bearing seats 50 at two ends in a bolt manner, a first deep groove ball bearing 17 is arranged in each second bearing seat 50, one row of rotating roller shafts 16 is a powered rotating roller shaft 16, a second driving chain wheel 44 of an output shaft of the second transmission motor 12 is connected with a second driven chain wheel 45 on one row of rotating roller shafts 16 through chain transmission, the second transmission motor 12 is started, one row of rotating roller shafts 16 is driven to rotate by the second transmission motor 12, and the straightening roller 2 is driven to rotate at a uniform speed through friction resistance; the inner ring of the first deep groove ball bearing 17 is positioned with the stepped shaft of the rotary roll shaft 16 through a first elastic retainer ring 38 for the shaft, and the outer ring is positioned through a second end cover 39; the rotary roll shaft 16 is provided with a plurality of rubber wheels 40, and the rubber wheels 40 are uniformly arranged on the rotary roll shaft 16.
The transmission motor III 13 is fixed on a motor base 18 at the top of the sand blasting gun moving mechanism 6; the sand blasting gun 5 is in threaded connection with the horizontal sand blasting steel pipe 19, the horizontal sand blasting steel pipe 19 is fixedly connected with the lower part of the vertical connecting rod 20, the upper screw nut 21 of the vertical connecting rod 20 is in threaded connection with the transverse screw rod 22, a first bearing seat 23, a second deep groove ball bearing 24 and a third end cover 25 are arranged at two ends of the transverse screw rod 22, the first bearing seat 23 is fixed on the sand blasting gun moving mechanism 6, a driving chain wheel III 46 of an output shaft of the driving motor III 13 is connected with a driven chain wheel III 47 on the transverse screw rod 22 through chain transmission, the driving motor III 13 is started, the driving motor III 13 drives the transverse screw rod 22 to rotate, and the screw nut 21, the vertical connecting rod 20, the horizontal sand blasting steel pipe 19 and the sand blasting gun 5 are driven to realize horizontal reciprocating movement; the horizontal sand blasting steel pipe 19 is fixed by an upper group of height adjusting mechanisms 10 and a lower group of height adjusting mechanisms 10 and is used for realizing height adjustment and horizontal guiding positioning of the horizontal sand blasting steel pipe 19, a hand wheel 26 of the height adjusting mechanism 10 is connected with one end of a screw rod 27, the other end of the screw rod 27 is connected with a guide wheel frame 32 through a bearing I28 with a seat, a screw rod fixing nut 29 is arranged in the middle of the screw rod 27, the screw rod fixing nut 29 is fixed on a bracket of the sand blasting gun moving mechanism 6 by screws, the screw rod 27 is driven to rotate by manual rotation of the upper hand wheel 26 and the lower hand wheel 26, so that the position adjustment of the screw rod 27 for supporting the sand blasting gun 5 and the horizontal sand blasting steel pipe 19 in height can be realized, and the inner cavity of the straightening roller 2 is convenient to carry out accurate sand blasting and rust removal; guide posts 30 are arranged on the support of the sand blasting gun moving mechanism 6 and on two sides of the screw rod 27, guide sleeves 31 are fixed on the guide wheel frames 32 and the support of the sand blasting gun moving mechanism 6, two ends of each guide post 30 are fixedly connected with the guide sleeves 31 through screws, and the guide posts 30 are in sliding connection with the middle guide sleeves 31; two groups of guide wheels 33 are arranged on the inner side of the guide post 30, the guide wheels 33 are fixed on a bracket of the sand blasting gun moving mechanism 6, and each group of guide wheels 33 carries out horizontal guiding positioning on the horizontal sand blasting steel pipe 19.
The tail of the horizontal sand blasting steel pipe 19 is connected with a sand blasting hose 34, the sand blasting hose 34 is connected with a sand outlet of the pressed-in sand blasting tank 8, and a sand blasting valve 35 of the pressed-in sand blasting tank 8 is opened, so that sand blasting rust removal treatment can be realized.
The closed sand blasting bin 7 is provided with a plurality of visual windows 48 so as to facilitate operators to observe the running condition of equipment in the closed sand blasting bin 7.
Claims (6)
1. The utility model provides a device for rust cleaning of medium plate hot rolling straightening roller inner chamber which characterized in that: a first transmission motor (11) arranged on the trolley moving mechanism (3) drives the straightening roller (2) and the rotary roller shaft mechanism (4) to enter the closed sand blasting bin (7) through chain transmission, and a second transmission motor (12) of the rotary roller shaft mechanism (4) drives the straightening roller (2) on the rotary roller shaft mechanism (4) to do uniform rotation motion in the sand blasting bin (7) through chain transmission; the sand blasting gun (5) is fixed on a horizontal sand blasting steel pipe (19), and a transmission motor III (13) on the sand blasting gun moving mechanism (6) drives the sand blasting gun (5) to horizontally move to the inner cavity of the straightening roller (2) through the transmission of a transverse screw rod (22) and a screw rod nut (21); the sand blasting valve (35) of the press-in sand blasting tank (8) enables the sand blasting gun (5) to realize reciprocating type horizontal movement sand blasting rust removal under the action of the sand blasting gun moving mechanism (6).
2. The apparatus for descaling an inner cavity of a hot-rolled straightening roll for a medium plate according to claim 1, wherein: the first driving motor (11) is fixed on the trolley moving mechanism (3), a first driving sprocket (42) of an output shaft of the first driving motor (11) is connected with a first driven sprocket (43) on one connecting shaft (36) of the rollers (14) through chain transmission, the rollers (14) at two ends of the two connecting shafts (36) are in rolling connection with the guide rail (15) of the inlet guide rail frame (9), the rollers (14) are connected and fixed at two ends of the connecting shaft (36) through screws and the first end cover (37), the rollers are positioned outside the trolley moving mechanism (3), two ends of the connecting shaft (36) are connected with the trolley moving mechanism (3) through a second belt seat bearing (51), and an extension guide rail (49) connected with the inlet guide rail frame (9) is arranged in the sand blasting bin (7).
3. The apparatus for descaling an inner cavity of a hot-rolled straightening roll for a medium plate according to claim 1, wherein: the second transmission motor (12) is fixed on the trolley moving mechanism (3), the traveling crane (1) places the straightening roller (2) to be derusted between two rows of freely rotatable rotary roller shafts (16) on the rotary roller shaft mechanism (4), and the two rows of rotary roller shafts (16) are connected with the trolley moving mechanism (3) through second bearing seats (50) at two ends; a deep groove ball bearing I (17) is arranged in the bearing seat II (50), one row of rotating roll shafts (16) are powered rotating roll shafts (16), a driving chain wheel II (44) of an output shaft of the transmission motor II (12) is connected with a driven chain wheel II (45) on one row of rotating roll shafts (16) through chain transmission, the transmission motor II (12) drives one row of rotating roll shafts (16) to rotate, and the straightening roll (2) is driven to rotate at a constant speed through friction resistance; the inner ring of the deep groove ball bearing I (17) is positioned with the stepped shaft of the rotary roll shaft (16) through a circlip I (38) for the shaft, and the outer ring is positioned through a second end cover (39); the rotary roll shaft (16) is provided with a plurality of rubber wheels (40), and the rubber wheels (40) are uniformly arranged on the rotary roll shaft (16).
4. The apparatus for descaling an inner cavity of a hot-rolled straightening roll for a medium plate according to claim 1, wherein: the transmission motor III (13) is fixed on a motor base (18) at the top of the sand blasting gun moving mechanism (6); the sand blasting gun (5) is in threaded connection with the horizontal sand blasting steel pipe (19), the horizontal sand blasting steel pipe (19) is fixedly connected with the lower part of the vertical connecting rod (20), the upper screw nut (21) of the vertical connecting rod (20) is in threaded connection with the transverse screw (22), the first bearing seat (23), the second deep groove ball bearing (24) and the third end cover (25) are arranged at two ends of the transverse screw (22), the first bearing seat (23) is fixed on the sand blasting gun moving mechanism (6), the driving sprocket III (46) of the output shaft of the driving motor III (13) is connected with the driven sprocket III (47) on the transverse screw (22) through chain transmission, and the driving motor III (13) drives the transverse screw (22) to rotate so as to drive the screw nut (21) and the vertical connecting rod (20), the horizontal sand blasting steel pipe (19) and the sand blasting gun (5) to realize horizontal reciprocating movement; the horizontal sand blasting steel pipe (19) is fixed by an upper group of height adjusting mechanisms (10) and a lower group of height adjusting mechanisms (10), the height adjusting mechanisms (10) are used for realizing height adjustment and horizontal guiding positioning of the horizontal sand blasting steel pipe (19), a hand wheel (26) of each height adjusting mechanism (10) is connected with one end of a screw rod (27), the other end of each screw rod (27) is connected with a guide wheel frame (32) through a first bearing (28) with a seat, a screw rod fixing nut (29) is arranged in the middle of each screw rod (27), the screw rod fixing nuts (29) are fixed on a bracket of the sand blasting gun moving mechanism (6) through screws, and the upper hand wheel (26) and the lower hand wheel (26) are manually rotated to drive the screw rods (27) to rotate, so that the screw rods (27) can support the sand blasting gun (5) and the horizontal sand blasting steel pipe (19) to adjust positions in height; guide posts (30) are arranged on the support of the sand blasting gun moving mechanism (6) and on two sides of the screw rod (27), guide sleeves (31) are fixed on the guide wheel frame (32) and the support of the sand blasting gun moving mechanism (6), two ends of each guide post (30) are fixedly connected with the guide sleeves (31) through screws, and each guide post (30) is in sliding connection with the middle guide sleeve (31); two groups of guide wheels (33) are arranged on the inner side of the guide column (30), the guide wheels (33) are fixed on a bracket of the sand blasting gun moving mechanism (6), and each group of guide wheels (33) horizontally guides and positions the horizontal sand blasting steel pipe (19).
5. The apparatus for descaling an inner cavity of a hot-rolled straightening roll for a medium plate according to claim 1, wherein: the tail part of the horizontal sand blasting steel pipe (19) is connected with a sand blasting hose (34), and the sand blasting hose (34) is connected with a sand outlet of the pressed-in sand blasting tank (8).
6. The apparatus for descaling an inner cavity of a hot-rolled straightening roll for a medium plate according to claim 1, wherein: the closed sand blasting bin (7) is provided with a plurality of visual windows (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322798648.5U CN220972039U (en) | 2023-10-18 | 2023-10-18 | Equipment for rust removal of inner cavity of hot rolling straightening roller of medium plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322798648.5U CN220972039U (en) | 2023-10-18 | 2023-10-18 | Equipment for rust removal of inner cavity of hot rolling straightening roller of medium plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220972039U true CN220972039U (en) | 2024-05-17 |
Family
ID=91057734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322798648.5U Active CN220972039U (en) | 2023-10-18 | 2023-10-18 | Equipment for rust removal of inner cavity of hot rolling straightening roller of medium plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220972039U (en) |
-
2023
- 2023-10-18 CN CN202322798648.5U patent/CN220972039U/en active Active
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