Discharging device of heating furnace

By introducing grinding and feeding mechanisms into the discharge device of the heating furnace, the problem of easy dropping of metal waste slag on the outer side of the bearing steel pipe is solved, and efficient cleaning and transportation of the steel pipe is achieved.

CN222544414UActive Publication Date: 2025-02-28ZHEJIANG FULI BEARING STEEL PIPE CO LTD
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Patent Information

Application Number
CN202421290299.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-28
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

In the heating furnace, the metal waste slag on the outside of the bearing steel pipe is easily dropped, resulting in inconvenient cleaning operation.

Method used

A feeding device for a heating furnace is designed, including a frame, a lead roller, a grinding mechanism, a feeding box, a transfer roller and a feeding mechanism. The bearing steel pipe is transported to the grinding mechanism through the lead-out roller for grinding, and the polished steel pipe is transported and cleaned through the feeding box and the transfer roller.

Benefits of technology

By grinding and cleaning the bearing steel pipes during the transfer process, the drop of metal waste slag is reduced, making the cleaning operation more convenient and quick.

✦ Generated by Eureka AI based on patent content.

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Abstract

The discharging device of the heating furnace comprises a rack, the rack is arranged on one side of the heating furnace, a guiding-out roller is rotationally installed on the rack, a grinding mechanism is arranged on the portion, located on one side of the guiding-out roller, of the rack, a feeding box is arranged on the portion, located on one side of the grinding mechanism, of the rack, and a feeding assembly is arranged in the feeding box; the feeding assembly comprises a material rotating roller and a feeding mechanism. The heated bearing steel pipe is conveyed to the grinding mechanism through the guiding-out roller to be ground, metal waste residues on the bearing steel pipe are ground down through the grinding mechanism, the ground bearing steel pipe is conveyed to the position of the material rotating roller in the feeding box, conveyed to the position of the feeding mechanism through the material rotating roller and conveyed out through the feeding mechanism, and the bearing steel pipe is ground and cleaned in the transferring process. The bearing steel pipe cleaning device has the effect that cleaning operation is convenient and fast.
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Description

Technical Field

[0001] The present application relates to the field of heating furnaces, and in particular to a discharging device of a heating furnace. Background Art

[0002] Bearing steel pipe refers to hot-rolled or cold-rolled (cold-drawn) seamless steel pipe for manufacturing ordinary rolling bearing rings. The existing bearing steel pipe processing equipment required to be used in the processing is a heating furnace. The bearing steel pipe in the heating furnace is transported through the discharge device on one side of the heating furnace.

[0003] In the related technology, reference can be made to the Chinese utility model patent with authorization announcement number CN208887382U, which discloses a discharging device and a heating furnace, including a discharging guide groove, a steel discharging track and a lifting guide device; along the conveying direction of the steel billet, the inner wall of the discharging guide groove forms a trumpet-shaped channel; one end of the steel discharging track extends into the discharging guide groove, for receiving the steel billet at the discharging port of the heating furnace opposite to the discharging guide groove; a curved guide structure is provided on the inner wall of the discharging guide groove, and a support member matching the curved guide structure is connected to the steel discharging track; the extension direction of the steel discharging track is the same as the extension direction of the curved guide structure; the lifting guide device is transmission-connected to one end of the steel discharging track away from the discharging guide groove, for driving the steel discharging track to slide along the curved guide structure; the heat dissipation capacity can be enhanced, the cooling time of the high-temperature steel billet can be increased, and the subsequent cooling time can be reduced, while accurate guidance can be achieved, thereby improving production efficiency.

[0004] In the above-mentioned related technologies, during the transportation process of the heated bearing steel tube, the outer side of the bearing steel tube is easily cooled to produce metal waste slag, and the metal waste slag on the outer side of the bearing steel tube is easy to fall into the equipment in each link of the transportation, making it inconvenient to clean the waste slag. Utility Model Content

[0005] In order to solve the problem that the metal waste slag on the outside of the bearing steel pipe is easy to fall into the equipment in each link of the transportation, and the cleaning operation of the waste slag is inconvenient, the present application provides a discharge device of a heating furnace.

[0006] The present application provides a discharging device for a heating furnace adopts the following technical solution:

[0007] A discharging device for a heating furnace comprises a frame, which is arranged at one side of the heating furnace, a derivation roller is rotatably mounted on the frame, a grinding mechanism is arranged on the frame at one side of the derivation roller, the grinding mechanism is used to grind the bearing steel pipe, a feeding box is arranged on the frame at one side of the grinding mechanism, a feeding assembly is arranged in the feeding box, the feeding assembly comprises a transfer roller and a feeding mechanism, the transfer roller is rotatably mounted in the feeding box, and the feeding mechanism is arranged in the feeding box and at the lower side of the transfer roller.

[0008] By adopting the above technical scheme, the heated bearing steel pipe is conveyed to the grinding mechanism for grinding via the lead-out roller, the metal waste slag on the bearing steel pipe is ground off by the grinding mechanism, the ground bearing steel pipe is transported to the transfer roller in the feeding box, conveyed to the feeding mechanism via the transfer roller, and transported out via the feeding mechanism. The bearing steel pipe is ground and cleaned during the transportation process, there is less metal waste slag on the bearing steel pipe, and the cleaning operation is convenient and quick.

[0009] Optionally, the grinding mechanism includes a grinding roller, two of which are provided and distributed parallel to each other, a driving mechanism is provided on the frame, the driving mechanism is used to drive the grinding roller to rotate, and a buffer is provided on the frame at one end of the grinding roller.

[0010] By adopting the above technical solution, when the bearing steel tube is located between the two grinding rollers, the driving mechanism drives the two grinding rollers to rotate, and grinding is performed through the side walls of the grinding rollers and the outer wall of the bearing steel tube. The buffer member limits the bearing steel tube, and the bearing steel tube is not easy to shake during grinding.

[0011] Optionally, the buffer member includes a clamping plate and a sliding rod, the sliding rod is slidably mounted on the frame, the clamping plate is rotatably mounted at one end of the sliding rod, the clamping plate is provided with a rotating ring, the sliding rod is provided with a spring, one end of the spring is connected to the frame, and the end of the spring facing away from the frame is connected to the rotating ring.

[0012] By adopting the above technical solution, one end of the bearing steel tube is pressed against one side surface of the pressing plate, which drives the pressing plate to rotate when rotating. When grinding, the sliding rod is pushed to slide, and the spring is compressed to press the pressing plate against one side of the bearing steel tube. The bearing steel tube is not easy to move, and the grinding effect is better.

[0013] Optionally, a pushing mechanism is provided on the frame on one side of the grinding roller, and the pushing mechanism includes a cylinder and a pushing block. The cylinder is provided on the frame, and the pushing block is provided at the driving end of the cylinder. The end of the pushing block facing away from the cylinder is located at the upper side of the grinding roller.

[0014] By adopting the above technical solution, after the bearing steel pipe is polished, the cylinder on the frame drives the push block to push the bearing steel pipe into the feeding box on one side for transportation, so as to facilitate the polishing operation of the bearing steel pipe discharged from the heating furnace later.

[0015] Optionally, a guide plate is provided on one side of the feeding box, the guide plate is arranged obliquely, and the higher side of the guide plate is located on one side of the grinding roller.

[0016] By adopting the above technical solution, the polished bearing steel pipe enters the transfer roller in the feeding box along the higher side of the inclined guide plate for transfer, and the transportation along the guide plate is more convenient.

[0017] Optionally, the transfer roller is provided with a plurality of transfer grooves, and the cross-section of the transfer grooves is semicircular.

[0018] By adopting the above technical solution, when the bearing steel pipe is transported to the transfer roller, the bearing steel pipe falls into the transfer groove of the transfer roller, and the transfer roller rotates to transport the bearing steel pipe to the feeding mechanism on the lower side, and the transfer operation is more convenient.

[0019] Optionally, the feeding mechanism includes a rotating wheel and a conveyor belt, wherein two rotating wheels are provided and are rotatably installed in the feeding box, the conveyor belt is mounted on the two rotating wheels, and a plurality of baffles are provided on the conveyor belt. The baffles are distributed along the width direction of the conveyor belt, and a plurality of baffles are evenly distributed along the conveyor belt.

[0020] By adopting the above technical solution, the bearing steel pipe transported by the transfer roller falls between two adjacent baffles on the conveyor belt, the rotating wheel drives the transmission belt to move and then drives the bearing steel pipe to move, and the bearing steel pipe is transported out of the feed box to facilitate subsequent processing operations.

[0021] Optionally, a heat conduction mechanism is provided on one side of the feeding box, and the heat conduction mechanism includes an air duct and a fan. The fan is provided on one side surface of the feeding box, and the fan is connected to the heating furnace through the air duct.

[0022] By adopting the above technical solution, the fan draws the waste flue gas in the heating furnace into the feed box through the air duct. The temperature in the feed box is maintained at a relatively high level, which reduces the heat loss of the bearing steel pipe and ensures the subsequent processing quality.

[0023] Optionally, a recovery box is provided at the lower side of the grinding roller, and a slag pushing mechanism is provided at one side of the recovery box. The slag pushing mechanism includes a push rod and a scraper rod. The scraper rod is slidably installed in the recovery box, the push rod is slidably installed on a side wall of the recovery box and is connected to the scraper rod, and a slag discharge trough is provided at one side of the recovery box.

[0024] By adopting the above technical solution, the metal waste slag after grinding falls into the recycling box on the lower side of the grinding roller for collection. When the recycling box needs to be cleaned, the push rod is pulled to drive the scraper rod to slide. The scraper rod clears the metal waste slag in the recycling box out of the recycling box through the slag discharge trough, and the operation of cleaning the recycling box is more convenient.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. The bearing steel pipe is transported to the grinding mechanism for grinding. The metal waste on the bearing steel pipe is ground off by the grinding roller. The ground bearing steel pipe is transported to the transfer roller in the feeding box, and then transported to the feeding mechanism by the transfer roller. Then, the bearing steel pipe is transported out by the feeding mechanism. The bearing steel pipe is ground and cleaned during the transportation process. The cleaning operation is convenient and quick.

[0027] 2. The bearing steel pipe falls between two adjacent baffles on the conveyor belt. The rotating wheel drives the transmission belt to move and then drives the bearing steel pipe to move, and the bearing steel pipe is transported out to facilitate subsequent processing operations;

[0028] 3. When the recycling box needs to be cleaned, pull the push rod to drive the scraper rod to slide, and the scraper rod will clear the metal waste slag in the recycling box out of the recycling box through the slag discharge chute, making the operation of cleaning the recycling box more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional structural schematic diagram of this application.

[0030] Figure 2 It is a cross-sectional view along the transport direction of the present application.

[0031] Figure 3 It is a schematic diagram of the enlarged three-dimensional structure of part A of the present application.

[0032] Figure 4 It is an enlarged cross-sectional view of part B of the present application.

[0033] Those skilled in the art will appreciate that elements in the drawings are illustrated for simplicity and clarity and are not necessarily drawn to scale. For example, the size and position of some elements in the drawings may be exaggerated relative to other elements to help improve understanding of embodiments of the present invention.

[0034] Figure numerals: 1, frame; 11, support frame; 12, lead-out roller; 13, motor; 14, recovery box; 2, heating furnace; 3, grinding mechanism; 31, grinding roller; 4, feeding box; 41, feed port; 42, discharge port; 43, guide plate; 5, driving mechanism; 51, driving motor; 52, first sprocket; 53, second sprocket; 54, chain; 6, buffer; 61, tightening plate; 611, rotating Moving ring; 62, sliding rod; 63, spring; 7, slag pushing mechanism; 71, pushing rod; 72, scraping rod; 73, slag discharge trough; 8, pushing mechanism; 81, cylinder; 82, pushing block; 821, pushing trough; 9, transfer roller; 91, transfer trough; 10, feeding mechanism; 101, rotating wheel; 102, conveyor belt; 103, baffle; 111, heat conduction mechanism; 1111, air duct; 1112, fan. DETAILED DESCRIPTION

[0035] The present application is further described in detail below in conjunction with the accompanying drawings.

[0036] The present application embodiment discloses a discharging device of a heating furnace 2, referring to Figure 1 and Figure 2 , including a frame 1, the frame 1 is arranged on one side of the heating furnace 2, a support frame 11 is arranged on one side of the frame 1, a guide roller 12 is rotatably installed on the support frame 11, two guide rollers 12 are arranged and are distributed parallel to each other, a motor 13 for driving the guide roller 12 to rotate is arranged on the support frame 11, a grinding mechanism 3 is arranged on the frame 1 at the side of the support frame 11 away from the heating furnace 2, a recovery box 14 is arranged on the frame 1, the grinding mechanism 3 includes a grinding roller 31, the grinding roller 31 is rotatably installed in the recovery box 14, the grinding roller 31 is distributed along the length direction of the recovery box 14, two grinding rollers 31 are arranged and are distributed parallel to each other, a feeding box 4 is arranged on one side of the recovery box 14, and the frame 1 is located on the recovery box 14 away from the feeding box 4 A pushing mechanism 8 is provided on one side, a feed port 41 is provided on the top of the feed box 4, a feed assembly is provided in the feed box 4, the feed assembly includes a transfer roller 9 and a feed mechanism 10, the transfer roller 9 is rotatably installed in the feed box 4 and is located directly below the feed port 41, the feed mechanism 10 is located at the lower side of the transfer roller 9, the heated bearing steel pipe is conveyed to the grinding roller 31 for grinding via the lead-out roller 12, the metal waste on the bearing steel pipe is ground off by the grinding roller 31, the ground bearing steel pipe is transported to the transfer roller 9 in the feed box 4, conveyed to the feeding mechanism 10 via the transfer roller 9, and transported out via the feeding mechanism 10, the bearing steel pipe is ground and cleaned during the transportation process, there is less metal waste on the bearing steel pipe, and the cleaning operation is convenient and quick.

[0037] Reference Figure 1 A driving mechanism 5 is provided on the frame 1, and the driving mechanism 5 includes a driving motor 51, a first sprocket 52 and a second sprocket 53. The driving motor 51 is arranged on the frame 1, and the first sprocket 52 is coaxially arranged with the output shaft of the driving motor 51. The second sprocket 53 is rotatably installed on a side wall of the recovery box 14, and the second sprocket 53 is coaxially arranged with the grinding roller 31. A chain 54 is sleeved on the first sprocket 52 and the two second sprockets 53. The driving motor 51 drives the first sprocket 52 to rotate, and the first sprocket 52 drives the two second sprockets 53 to rotate through the chain 54, thereby driving the two grinding rollers 31 to rotate, and grinding is performed through the side wall of the grinding roller 31 and the outer side wall of the bearing steel pipe.

[0038] Reference Figure 1 and Figure 2The pushing mechanism 8 includes a cylinder 81 and a pushing block 82. The cylinder 81 is horizontally arranged on the frame 1, and the driving end of the cylinder 81 faces the side of the grinding roller 31. The pushing block 82 is arranged at the driving end of the cylinder 81. The pushing block 82 is distributed along the length direction of the grinding roller 31. The pushing block 82 is located on the side surface away from the cylinder 81 and is provided with a pushing groove 821. When the bearing steel pipe is polished, the cylinder 81 on the frame 1 drives the pushing block 82 to push the bearing steel pipe to the feeding box 4 on one side for transportation, so as to facilitate the grinding operation of the bearing steel pipe discharged from the heating furnace 2 later.

[0039] Reference Figure 1 and Figure 2 A guide plate 43 is provided at the top of the feeding box 4 at the feeding port 41. The guide plate 43 is inclined. The higher side of the guide plate 43 is located at one side of the grinding roller 31, and the lower side of the guide plate 43 is located on the upper side of the transfer roller 9. The polished bearing steel pipe enters the transfer roller 9 in the feeding box 4 along the higher side of the inclined guide plate 43 for transfer, and it is more convenient to transport along the guide plate 43.

[0040] Reference Figure 2 A transfer trough 91 is provided on the transfer roller 9. The cross-section of the transfer trough 91 is semicircular. The transfer troughs 91 are distributed along the length direction of the transfer roller 9. There are four transfer troughs 91 and they are evenly distributed along the circumferential side wall of the transfer roller 9. When the bearing steel pipe is transported to the transfer roller 9, the bearing steel pipe falls into the transfer trough 91 of the transfer roller 9. The transfer roller 9 rotates to transport the bearing steel pipe to the feeding mechanism 10 on the lower side, and the material transfer operation is more convenient. The feeding mechanism 10 includes a rotating wheel 101 and a conveyor belt 102. Two rotating wheels 101 are provided and are rotatably installed in the feeding box 4. The conveyor belt 102 is sleeved on the two rotating wheels 101. A plurality of baffles 103 are provided on the conveyor belt 102. The baffles 103 are distributed along the width direction of the conveyor belt 102. The baffles 103 are evenly distributed along the conveyor belt 102. The feeding box 4 is away from the side of the frame 1 and is provided with a discharge port 42 at the transmission belt. The bearing steel pipe transported by the transfer roller 9 falls between the two adjacent baffles 103 on the conveyor belt 102. The rotating wheel 101 drives the transmission belt to move and then drives the bearing steel pipe to move, and the bearing steel pipe is transported out of the feeding box 4 to facilitate subsequent processing operations.

[0041] Reference Figure 2 A heat conducting mechanism 111 is provided on one side of the feeding box 4. The heat conducting mechanism 111 includes an air duct 1111 and a fan 1112. The fan 1112 is provided on one side of the feeding box 4. The fan 1112 is connected to the heating furnace 2 through the air duct 1111. The fan 1112 draws the waste flue gas in the heating furnace 2 into the feeding box 4 through the air duct 1111. A relatively high temperature is maintained in the feeding box 4, which reduces the heat loss of the bearing steel pipe and ensures the subsequent processing quality.

[0042] Reference Figure 3 A buffer member 6 is provided on one side surface of the top of the recycling box 14. The buffer member 6 includes a clamping plate 61 and a sliding rod 62. The sliding rod 62 is slidably installed on a side wall of the recycling box 14 away from the export roller 12. The clamping plate 61 is rotatably installed at one end of the sliding rod 62 facing the export roller 12. A rotating ring 611 is provided on the side wall of the clamping plate 61 facing the sliding rod 62. A spring 63 is sleeved on the sliding rod 62. One end of the spring 63 is connected to the rotating ring 611. The end of the spring 63 away from the rotating ring 611 is connected to a side wall of the recycling box 14. One end of the bearing steel pipe is pressed against a side surface of the clamping plate 61, and the clamping plate 61 is driven to rotate when rotating. The sliding rod 62 is pushed to slide during grinding, and the spring 63 is compressed to press the clamping plate 61 against one side of the bearing steel pipe. The bearing steel pipe is not easily displaced, and the grinding effect is better.

[0043] Reference Figure 2 and Figure 4 A slag pushing mechanism 7 is provided on one side of the recovery box 14. The slag pushing mechanism 7 includes a push rod 71 and a scraper rod 72. The scraper rod 72 is slidably installed in the recovery box 14 and is distributed along the length direction of the recovery box 14. The push rod 71 is slidably installed on one side wall of the recovery box 14 and is connected to the scraper rod 72. A slag discharge groove 73 is provided on one side of the bottom wall of the recovery box 14. After grinding, the polished metal waste slag falls into the recovery box 14 on the lower side of the grinding roller 31 for collection. When the recovery box 14 needs to be cleaned, the push rod 71 is pulled to drive the scraper rod 72 to slide, and the scraper rod 72 clears the metal waste slag in the recovery box 14 out of the recovery box 14 through the slag discharge groove 73. The operation of cleaning the recovery box 14 is relatively convenient.

[0044] The implementation principle of the discharge device of a heating furnace 2 in an embodiment of the present application is as follows: the heated bearing steel pipe is transported to the grinding roller 31 for grinding via the discharge roller 12, and the metal waste slag on the bearing steel pipe is ground off by the grinding roller 31. The ground bearing steel pipe is pushed to the transfer roller 9 in the feed box 4 via the pushing mechanism 8, and transported to the feeding mechanism 10 via the transfer roller 9, and then transported out via the feeding mechanism 10.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A discharging device for a heating furnace, comprising a frame (1), wherein the frame (1) is arranged on one side of a heating furnace (2), and a discharging roller (12) is rotatably mounted on the frame (1), characterized in that: A grinding mechanism (3) is provided on the frame (1) at one side of the output roller (12), and the grinding mechanism (3) is used to grind the bearing steel pipe. A feeding box (4) is provided on the frame (1) at one side of the grinding mechanism (3), and a feeding assembly is provided in the feeding box (4), and the feeding assembly includes a transfer roller (9) and a feeding mechanism (10). The transfer roller (9) is rotatably installed in the feeding box (4), and the feeding mechanism (10) is provided in the feeding box (4) and is located at the lower side of the transfer roller (9).

2. The discharging device of a heating furnace according to claim 1, characterized in that: The grinding mechanism (3) comprises a grinding roller (31), wherein two grinding rollers (31) are provided and are arranged parallel to each other, a driving mechanism (5) is provided on the frame (1), and the driving mechanism (5) is used to drive the grinding roller (31) to rotate, and a buffer member (6) is provided on the frame (1) at one end of the grinding roller (31).

3. The discharging device of a heating furnace according to claim 2, characterized in that: The buffer member (6) comprises a clamping plate (61) and a sliding rod (62), wherein the sliding rod (62) is slidably mounted on the frame (1), and the clamping plate (61) is rotatably mounted at one end of the sliding rod (62), a rotating ring (611) is provided on the clamping plate (61), and a spring (63) is sleeved on the sliding rod (62), one end of the spring (63) is connected to the frame (1), and the end of the spring (63) facing away from the frame (1) is connected to the rotating ring (611).

4. A discharging device for a heating furnace according to claim 2, characterized in that: A material pushing mechanism (8) is arranged on the frame (1) at one side of the grinding roller (31), the material pushing mechanism (8) comprising a cylinder (81) and a pushing block (82), the cylinder (81) being arranged on the frame (1), the pushing block (82) being arranged at the driving end of the cylinder (81), and the end of the pushing block (82) facing away from the cylinder (81) being located at an upper side of the grinding roller (31).

5. The discharging device of a heating furnace according to claim 2, characterized in that: A guide plate (43) is provided on one side of the feeding box (4); the guide plate (43) is arranged at an angle, and the higher side of the guide plate (43) is located on one side of the grinding roller (31).

6. The discharging device of a heating furnace according to claim 1, characterized in that: The material transfer roller (9) is provided with a plurality of material transfer grooves (91), and the cross section of the material transfer grooves (91) is in the shape of a semicircular arc.

7. The discharging device of a heating furnace according to claim 1, characterized in that: The feeding mechanism (10) comprises a rotating wheel (101) and a conveyor belt (102); two rotating wheels (101) are provided and are rotatably mounted in the feeding box (4); the conveyor belt (102) is sleeved on the two rotating wheels (101); a plurality of baffles (103) are provided on the conveyor belt (102); the baffles (103) are distributed along the width direction of the conveyor belt (102); and the plurality of baffles (103) are evenly distributed along the conveyor belt (102).

8. The discharging device of a heating furnace according to claim 1, characterized in that: A heat conduction mechanism (111) is provided on one side of the feed box (4); the heat conduction mechanism (111) comprises an air duct (1111) and a fan (1112); the fan (1112) is provided on a side surface of the feed box (4); the fan (1112) is connected to the heating furnace (2) via the air duct (1111).

9. The discharging device of a heating furnace according to claim 2, characterized in that: A recovery box (14) is provided at the lower side of the grinding roller (31), and a slag pushing mechanism (7) is provided at one side of the recovery box (14). The slag pushing mechanism (7) comprises a push rod (71) and a scraper rod (72), and the scraper rod (72) is slidably mounted in the recovery box (14). The push rod (71) is slidably mounted on a side wall of the recovery box (14) and is connected to the scraper rod (72), and a slag discharge groove (73) is provided at one side of the recovery box (14).

Citation Information

Patent Citations

  • Discharging device and heating furnace

    CN208887382U