Feeding device for steel structure machining

Abstract

The invention discloses a feeding device for steel structure machining, and relates to the technical field of feeding devices. A feeding device for steel structure machining comprises a protective cover with a strip-shaped groove formed in the top, and further comprises two symmetrically-arranged strip-shaped frames which are longitudinally installed in the protective cover in a sliding mode and parallel to the strip-shaped groove, rotating shafts are rotationally installed on the two strip-shaped frames, conveying rollers are installed on the outer walls of the rotating shafts, and the conveying rollers are arranged in the protective cover. Wherein one group of conveying rollers is located in a gap of the other group of conveying rollers, and a driving source for driving the rotating shaft to rotate is fixedly mounted on the strip-shaped frame. The two lifting frames are symmetrically arranged and are fixedly connected with the two strip-shaped frames respectively; the two sets of conveying rollers can achieve feeding work of steel structure raw materials in turn, then the work intensity of the conveying rollers can be reduced, rubber sleeves on the outer walls of the conveying rollers are not prone to heating and abrasion, and therefore the maintenance frequency and the maintenance cost can be reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of feeding devices, and more specifically, relates to a feeding device for steel structure processing. Background Art

[0002] A steel structure is a building load-bearing system mainly made of steel materials (such as steel sections, steel plates, etc.) and formed by welding, bolt connection, etc. It has the advantages of high strength, fast construction, environmental protection and recyclability, and is widely used in fields such as factories, bridges, and super high-rise buildings.

[0003] When processing steel structures, due to the large volume and heavy weight of raw materials, manual handling has low efficiency and safety hazards. Therefore, a feeding device (such as a roller conveyor, gantry crane or robot) needs to be used to complete automatic feeding, accurately conveying the steel to processing equipment such as cutting and welding to ensure the high efficiency, accuracy and safety of the production process.

[0004] In the use of roller conveyors, it is found that if the conveying rollers made of pure metal are used to complete the conveying work, the conveying rollers are prone to slipping and will cause wear to the raw materials. If a rubber sleeve is provided on the outer wall of the conveying rollers, these problems can be solved. However, after long-term use, the rubber sleeve is prone to heat generation and wear, resulting in more frequent maintenance of the conveying rollers and an increase in costs. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a feeding device for steel structure processing that can overcome or at least partially solve the above problems.

[0006] To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is as follows: A feeding device for steel structure processing includes a protective cover with a strip-shaped groove at the top, and further includes: two groups of symmetrically arranged strip-shaped frames, which are longitudinally slidably installed in the protective cover and are arranged parallel to the strip-shaped groove. Among them, rotating shafts are rotatably installed on both groups of strip-shaped frames, and conveying rollers are installed on the outer wall of each rotating shaft. One group of the conveying rollers is located in the gap of the other group of conveying rollers, and a driving source for driving the rotating shaft to rotate is fixedly installed on the strip-shaped frame; two symmetrically arranged lifting frames are respectively fixedly connected to the two strip-shaped frames, and a lifting part for driving the two lifting frames to alternately lift and lower once is provided on the protective cover.

[0007] Preferably, the lifting part includes two first reciprocating lead screws rotatably connected to the protective cover. The two strip-shaped frames are respectively connected to the outer walls of the two first reciprocating lead screws. Passive gears are fixedly installed at the tops of the two first reciprocating lead screws. A driving motor is fixedly installed on the protective cover. Two incomplete gears are fixedly installed on the output shaft of the driving motor. When one incomplete gear meshes with one passive gear, the other incomplete gear does not mesh with the other passive gear.

[0008] Preferably, an L-shaped frame is fixedly connected to the strip-shaped frame. One end of the rotating shaft is rotatably installed on the L-shaped frame. A polygonal guide rod is fixedly connected to the outer wall of the rotating shaft. The conveying roller is horizontally slidably sleeved on the outer wall of the polygonal guide rod. A pushing part is provided on the strip-shaped frame. When the strip-shaped frame moves downward, the pushing part drives the conveying roller to slide along the outer wall of the polygonal guide rod.

[0009] Furthermore, the pushing part includes a second reciprocating lead screw rotatably connected to the outer wall of the strip-shaped frame. A reciprocating push plate is installed on the outer wall of the second reciprocating lead screw. A driven gear is installed at the shaft end of the conveying roller through a one-way bearing. A rack meshing with the driven gear is fixedly installed inside the protective cover. A ring is fixedly connected to the end of the reciprocating push plate. The ring is rotatably connected to the shaft end of the conveying roller.

[0010] Preferably, an air suction hood is provided at the inner bottom of the protective cover. The air suction end of the air suction hood faces the lower part of the conveying roller. One end of the air suction hood is rotatably connected to an exhaust duct communicated therewith.

[0011] Furthermore, a vertical pipe is fixedly connected to the bottom of the protective cover. A support rod is longitudinally slidably installed inside the vertical pipe. A spring is installed between the support rod and the bottom of the vertical pipe. The air suction hood is fixedly connected to the top of the support rod. A top pressing plate is fixedly connected to the side wall of the air suction hood. After the L-shaped frame moves downward, the L-shaped frame presses on the top pressing plate.

[0012] Even further, the air suction end of the exhaust duct extends into the air suction hood. Air suction holes are provided on the outer wall of the exhaust duct inside the air suction hood. A brush is fixedly arranged on the outer wall of the exhaust duct close to the air suction holes.

[0013] Even further, a fan blade is fixedly installed on the inner wall of the exhaust end of the exhaust duct. Transmission wheels are fixedly connected to the other end of the exhaust duct and the outer wall of the rotating shaft. After the rotating shaft moves downward, the transmission wheel on the rotating shaft will fit onto the other transmission wheel.

[0014] Even further, an air collecting hood is longitudinally slidably installed on the inner wall of the protective cover. The lower end of the air collecting hood is provided with an exhaust port extending to the lower end of the protective cover. The exhaust end of the exhaust duct extends into the air collecting hood.

[0015] Preferably, a rubber sleeve is fixedly sleeved on the outer wall of the conveying roller, and anti-slip lines are arranged on the outer wall of the rubber sleeve.

[0016] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: 1. In the present invention, the two incomplete gears that continuously rotate will alternately lower and then reset upward the two sets of strip-shaped frames, so that the two sets of conveying rollers can alternately perform the feeding work of the steel structure raw materials, thereby reducing the working intensity of the conveying rollers. The rubber sleeve on the outer wall of the conveying roller is not prone to heat generation and wear, so the maintenance times and maintenance costs can be reduced. And after the conveying roller descends, the rotating conveying roller can also shake off the dust on the outer wall, making the conveying roller not prone to slipping, maintaining a high feeding efficiency and transmission accuracy, and being able to fully contact with the air to obtain efficient heat dissipation.

[0017] 2. In the present invention, the strip-shaped frame drives the driven gear to sweep across the rack, and the reciprocating push plate will drive the conveying roller to slide reciprocally on the outer wall of the polygonal guide rod through the ring, and the final stopping position of the conveying roller does not overlap with the previous position. In this way, after the conveying roller resets upward, it can prevent the conveying roller from overly concentrating on using a certain outer wall to contact and rub against the steel structure raw materials, so that the rubber sleeve on the outer wall of the conveying roller is not prone to wear and heat generation, further reducing the maintenance times and costs.

[0018] 3. In the present invention, the downward moving strip-shaped frame drives the conveying roller close to the upper port of the suction hood, and also drives the driving wheel to press on another driving wheel. The exhaust pipe will suck air into the suction hood through the suction holes, and the suction hood will suck away the dust adhering to the outer wall of the rubber sleeve, and can also dissipate heat from the conveying roller and the rubber sleeve, making the rubber sleeve on the outer wall of the conveying roller not prone to slipping and maintaining good conveying accuracy.

[0019] 4. In the present invention, after the conveying roller is close to the upper port of the suction hood, the brush on the outer wall of the exhaust pipe will contact the outer wall of the conveying roller, so as to clean the dust on the outer wall of the rubber sleeve more efficiently. And the reciprocatingly moving conveying roller will make the rubber sleeve slide reciprocally on the brush, so that the brush can clean the dust on the outer wall of the rubber sleeve more efficiently. And the reciprocatingly moving conveying roller can contact the flowing air more fully, so as to make the conveying roller and the rubber sleeve obtain better heat dissipation.

[0020] The following further describes in detail the specific implementation manners of the present invention with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In the drawings: Figure 1 is a schematic perspective view of a feeding device for steel structure processing proposed by the present invention Figure 1 ; Figure 2 Schematic diagram of the three-dimensional structure of a feeding device for steel structure processing proposed by the present invention Figure 2 ; Figure 3 Partial structure schematic diagram of a feeding device for steel structure processing proposed by the present invention; Figure 4 Schematic diagram of the bar-shaped frame structure of a feeding device for steel structure processing proposed by the present invention; Figure 5 Partial structure schematic diagram of the bar-shaped frame of a feeding device for steel structure processing proposed by the present invention; Figure 6 Schematic diagram of the L-shaped frame structure of a feeding device for steel structure processing proposed by the present invention; Figure 7 Schematic diagram of the conveying roller structure of a feeding device for steel structure processing proposed by the present invention; Figure 8 Schematic diagram of the suction hood structure of a feeding device for steel structure processing proposed by the present invention.

[0022] In the figure: 1, protective cover; 2, strip-shaped groove; 3, bar-shaped frame; 4, anti-slip pattern; 5, conveying roller; 6, rubber sleeve; 7, rotating shaft; 8, polygonal guide rod; 9, driving source; 10, L-shaped frame; 11, first reciprocating lead screw; 12, driving motor; 13, passive gear; 14, incomplete gear; 15, lifting frame; 16, second reciprocating lead screw; 17, ring; 18, reciprocating push plate; 19, rack; 20, driven gear; 21, suction hood; 22, top pressing plate; 23, vertical pipe; 24, support rod; 25, spring; 26, exhaust duct; 27, fan blade; 28, suction hole; 29, brush; 30, transmission wheel; 31, air collecting hood; 32, exhaust port. Specific embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0024] Embodiment 1: Refer to Figures 1-8, A feeding device for steel structure processing, including a protective cover 1 with a strip-shaped groove 2 at the top. The steel structure raw materials to be conveyed need to be within the strip-shaped groove 2. The steel structure raw materials are mainly long-shaped I-beams or steel plates. It also includes: two symmetrically arranged strip-shaped frames 3, which are longitudinally slidably installed within the protective cover 1 and are arranged parallel to the strip-shaped groove 2. Among them, rotating shafts 7 are rotatably installed on both of the two strip-shaped frames 3, and conveying rollers 5 for conveying the steel structure raw materials are installed on the outer wall of each rotating shaft 7. The middle part of the conveying roller 5 is exposed within the strip-shaped groove 2. One group of conveying rollers 5 is located within the gap of the other group of conveying rollers 5. A driving source 9 for driving the rotation of the rotating shaft 7 is fixedly installed on the strip-shaped frame 3. The driving source 9 is mainly composed of a servo motor and a gear set. The gear set is used to synchronously rotate all the rotating shafts 7; two symmetrically arranged lifting frames 15 are respectively fixedly connected to the two strip-shaped frames 3. There is a lifting part on the protective cover 1 for driving the two lifting frames 15 to alternately lower and rise once. A rubber sleeve 6 is fixedly sleeved on the outer wall of the conveying roller 5, and anti-slip lines 4 for improving the anti-slip performance are arranged on the outer wall of the rubber sleeve 6.

[0025] Specifically, during use, the driving source 9 can drive the conveying roller 5 to continuously rotate to realize the conveying work of the steel structure raw materials. During this period, the lifting part can alternately lower the two strip-shaped frames 3 and then reset them upward, so that the two groups of conveying rollers 5 can alternately perform the feeding work of the steel structure raw materials, thereby reducing the working intensity of the conveying roller 5. The rubber sleeve 6 on the outer wall of the conveying roller 5 is not prone to heat generation and wear, so the maintenance times and maintenance costs can be reduced. And after the conveying roller 5 descends, the rotating conveying roller 5 can also shake off the dust on the outer wall, making the conveying roller 5 not prone to slipping, maintaining a high feeding efficiency and transmission accuracy, and being able to fully contact with the air to achieve efficient heat dissipation.

[0026] Embodiment 2: Refer to Figures 3-4 , A feeding device for steel structure processing, which is basically the same as Embodiment 1. Further: The above-mentioned lifting part includes two first reciprocating lead screws 11 rotatably connected to the protective cover 1. The two strip-shaped frames 3 are respectively connected to the outer walls of the two first reciprocating lead screws 11. At this time, the strip-shaped frame 3 is equivalent to a sliding table on the outer wall of the first reciprocating lead screw 11. When the first reciprocating lead screw 11 continuously rotates, it can drive the strip-shaped frame 3 to reciprocally slide along the outer wall of the first reciprocating lead screw 11. Passive gears 13 are fixedly installed at the tops of the two first reciprocating lead screws 11; A driving motor 12 is fixedly installed on the protective cover 1. Two incomplete gears 14 are fixedly installed on the output shaft of the driving motor 12. When one of the incomplete gears 14 meshes with one of the passive gears 13, the other incomplete gear 14 does not mesh with the other passive gear 13. The teeth of the incomplete gear 14 are only half or less than half.

[0027] Specifically, during the feeding period of the conveying roller 5, the driving motor 12 drives the two incomplete gears 14 to rotate synchronously. When one of the incomplete gears 14 meshes with one of the passive gears 13 for transmission, the current passive gear 13 will drive the first reciprocating lead screw 11 connected thereto to rotate. After the first reciprocating lead screw 11 drives the lifting frame 15 on its outer wall to move downward and then upward to reset, during the downward movement of the lifting frame 15, it will drive the strip-shaped frame 3 connected thereto to move downward. The strip-shaped frame 3 will drive the group of conveying rollers 5 connected thereto to move downward. At this time, the conveying rollers 5 on the other strip-shaped frame 3 will continue to complete the conveying work of the steel structure raw materials. After the current strip-shaped frame 3 moves upward and resets, the other incomplete gear 14 will mesh with the other passive gear 13 for transmission. Then, the other first reciprocating lead screw 11 will drive the other group of strip-shaped frames 3 and conveying rollers 5 to move downward and then upward to reset through the other lifting frame 15. Thus, the two continuously rotating incomplete gears 14 will alternately cause the two groups of strip-shaped frames 3 to move downward and then upward to reset. In this way, the two groups of conveying rollers 5 can alternately perform the feeding work of the steel structure raw materials, thereby reducing the working intensity of the conveying rollers 5. The rubber sleeve 6 on the outer wall of the conveying roller 5 is not prone to heat generation and wear, so the maintenance frequency and maintenance cost can be reduced.

[0028] In another embodiment, if the weight of the conveyed steel structure raw material is relatively large and the first reciprocating lead screw 11 is difficult to bear the weight, the first reciprocating lead screw 11 used to realize the lifting of the two strip-shaped frames 3 can be replaced by a hydraulic cylinder. The hydraulic cylinder needs to be fixedly installed on the protective cover 1, and the telescopic end of the hydraulic cylinder is fixed to the lifting frame 15 or the strip-shaped frame 3. Thus, the hydraulic cylinder can also realize the alternate lowering and lifting work of the strip-shaped frame 3.

[0029] Embodiment 3: Refer to Figures 5-8 , a feeding device for steel structure processing, which is basically the same as Embodiment 2. Further: An L-shaped frame 10 is fixedly connected to the above-mentioned strip-shaped frame 3. One end of the rotating shaft 7 is rotatably installed on the L-shaped frame 10. A polygonal guide rod 8 is fixedly connected to the outer wall of the rotating shaft 7. The cross-sectional shape of the polygonal guide rod 8 is polygonal, such as a regular hexagon. The conveying roller 5 is horizontally slidably sleeved on the outer wall of the polygonal guide rod 8. A pushing part is provided on the strip-shaped frame 3. When the strip-shaped frame 3 moves downward, the pushing part drives the conveying roller 5 to slide along the outer wall of the polygonal guide rod 8. The pushing part includes a second reciprocating lead screw 16 rotatably connected to the outer wall of the strip-shaped frame 3. A reciprocating push plate 18 is installed on the outer wall of the second reciprocating lead screw 16. A driven gear 20 is installed at the shaft end of the conveying roller 5 through a one-way bearing. A rack 19 meshing with the driven gear 20 is fixedly installed in the protective cover 1. A ring 17 is fixedly connected to the end of the reciprocating push plate 18. The ring 17 is rotatably connected to the shaft end of the conveying roller 5.

[0030] Specifically, when the bar-shaped frame 3 drives the conveying roller 5 to move downward, the bar-shaped frame 3 will also drive the driven gear 20 to sweep across the rack 19. The rack 19 will drive the driven gear 20 to rotate, and the driven gear 20 will drive the second reciprocating lead screw 16 to rotate. The second reciprocating lead screw 16 will drive the reciprocating push plate 18 to slide reciprocally. The reciprocating push plate 18 will drive the conveying roller 5 to slide reciprocally on the outer wall of the polygonal guide rod 8 through the ring 17. Moreover, the final stopping position of the conveying roller 5 does not overlap with the previous position. In this way, after the conveying roller 5 resets upward, it can prevent the conveying roller 5 from overly concentrating on using a certain outer wall to contact and rub against the steel structure raw material. In this way, the rubber sleeve 6 on the outer wall of the conveying roller 5 is not easily worn and heated, further reducing the maintenance frequency and cost. When the bar-shaped frame 3 drives the driven gear 20 to move upward and reset, the rack 19 will drive the driven gear 20 to reverse. However, since the driven gear 20 is installed at the shaft end of the second reciprocating lead screw 16 through a one-way bearing, the driven gear 20 will only idle instead of driving the second reciprocating lead screw 16 to reverse and reset.

[0031] Embodiment 4: Refer to Figures 2-6 and Figure 8 , a feeding device for steel structure processing, which is basically the same as Embodiment 3. Further: An air suction hood 21 is provided at the inner bottom of the above-mentioned protective cover 1. The air suction end of the air suction hood 21 faces the lower part of the conveying roller 5. One end of the air suction hood 21 is rotatably connected to an exhaust duct 26 communicating with it.

[0032] Specifically, when the bar-shaped frame 3 moves downward, the conveying roller 5 will approach the upper port of the air suction hood 21. At this time, the exhaust duct 26 is sucked by a blower, and the exhaust duct 26 will suck the conveying roller 5 through the air suction hood 21, so as to suck the dust on the outer wall of the rubber sleeve 6 and dissipate heat from the rubber sleeve 6 and the conveying roller 5. The rubber sleeve 6 on the outer wall of the conveying roller 5 is not easily skidded, maintaining good conveying accuracy.

[0033] A vertical pipe 23 is fixedly connected to the bottom of the above-mentioned protective cover 1. A support rod 24 is longitudinally slidably installed in the vertical pipe 23. A spring 25 is installed between the support rod 24 and the bottom of the vertical pipe 23. The air suction hood 21 is fixedly connected to the top of the support rod 24. A top pressing plate 22 is fixedly connected to the side wall of the air suction hood 21. After the L-shaped frame 10 moves downward, the L-shaped frame 10 will press on the top pressing plate 22.

[0034] Specifically, when the bar-shaped frame 3 moves downward, the conveying roller 5 will approach the upper port of the suction hood 21, and will also drive the L-shaped frame 10 to move downward. The L-shaped frame 10 will then push the top pressing plate 22 downward, and the top pressing plate 22 will drive the suction hood 21 to move downward synchronously, so as to keep a fixed distance between the suction hood 21 and the conveying roller 5. This can enable the suction hood 21 to efficiently remove dust and dissipate heat from the conveying roller 5. When the suction hood 21 moves downward, the suction hood 21 will also drive the support rod 24 to slide towards the inner bottom of the vertical pipe 23 and compress the spring 25. After the bar-shaped frame 3 drives the L-shaped frame 10 to reset upward, the top pressing plate 22 will no longer be under the top pressure of the L-shaped frame 10. At this time, the spring 25 will elastically reset and drive the suction hood 21 to move upward and reset through the support rod 24.

[0035] The suction end of the exhaust duct 26 extends into the suction hood 21. The outer wall of the exhaust duct 26 is provided with suction holes 28 located inside the suction hood 21, and a brush 29 is fixedly arranged on the outer wall of the exhaust duct 26 close to the suction holes 28.

[0036] Specifically, the exhaust duct 26 is of the suction type. The exhaust duct 26 will suck air through the suction holes 28 from the suction hood 21. The suction hood 21 will suck the dust adhering to the outer wall of the rubber sleeve 6. The reciprocating moving conveying roller 5 will cause the rubber sleeve 6 to slide reciprocally on the brush 29, so that the brush 29 can clean the dust on the outer wall of the rubber sleeve 6 more efficiently. And the reciprocating moving conveying roller 5 can contact the flowing air more fully, so that the conveying roller 5 and the rubber sleeve 6 can be better cooled.

[0037] A fan blade 27 is fixedly installed on the inner wall of the exhaust end of the exhaust duct 26. The other end of the exhaust duct 26 and the outer wall of the rotating shaft 7 are both fixedly connected with a transmission wheel 30. After the rotating shaft 7 moves downward, the transmission wheel 30 on the rotating shaft 7 will fit onto another transmission wheel 30. The transmission wheel 30 can be a spur gear or a disk body made of rubber, and power can be transmitted between them through friction.

[0038] Specifically, when the bar-shaped frame 3 moves downward, the downward moving bar-shaped frame 3 will also drive the transmission wheel 30 to press on another transmission wheel 30. The rotating rotating shaft 7 will drive the exhaust duct 26 to rotate through the two mutually fitting transmission wheels 30. The exhaust duct 26 will drive the internal fan blade 27 to rotate. The exhaust duct 26 will suck air through the suction holes 28 from the suction hood 21. Thus, the exhaust end of the exhaust duct 26 does not need to be externally connected to a fan device, and the power of the unloaded conveying roller 5 moving downward can be well utilized, reducing waste of resources.

[0039] A wind collecting hood 31 is longitudinally slidably installed on the inner wall of the protective cover 1. The lower end of the wind collecting hood 31 is provided with an exhaust port 32 extending to the lower end of the protective cover 1. The exhaust end of the exhaust duct 26 extends into the wind collecting hood 31.

[0040] Specifically, when the exhaust duct 26 discharges the internal air and dust, the air and dust will be discharged into the air collecting hood 31 and finally discharged from the air outlet 32, which is convenient for subsequent centralized treatment of the dust and hot air.

[0041] When the present invention is in use, the driving source 9 can drive the conveying roller 5 to rotate continuously to realize the conveying work of the steel structure raw materials. During this period, the driving motor 12 will drive the two incomplete gears 14 to rotate synchronously. When one of the incomplete gears 14 meshes with one of the passive gears 13 for transmission, the current passive gear 13 will drive the first reciprocating lead screw 11 connected thereto to rotate. The first reciprocating lead screw 11 will drive the lifting frame 15 on its outer wall to move downward and then lift upward to reset. During the downward movement of the lifting frame 15, it will drive the strip-shaped frame 3 connected thereto to move downward. The strip-shaped frame 3 will drive the group of conveying rollers 5 connected thereto to move downward. At this time, the conveying rollers 5 on the other strip-shaped frame 3 will continue to complete the conveying work of the steel structure raw materials. After the current strip-shaped frame 3 is lifted upward to reset, the other incomplete gear 14 will mesh with the other passive gear 13 for transmission. Then, the other first reciprocating lead screw 11 will drive the other group of strip-shaped frames 3 and conveying rollers 5 to move downward and then reset upward through the other lifting frame 15. Thus, the two continuously rotating incomplete gears 14 will alternately cause the two groups of strip-shaped frames 3 to move downward and then reset upward. This can enable the two groups of conveying rollers 5 to alternately realize the feeding work of the steel structure raw materials, thereby reducing the working intensity of the conveying rollers 5. The rubber sleeve 6 on the outer wall of the conveying roller 5 is not prone to heat generation and wear. Therefore, the maintenance times and maintenance costs can be reduced. And after the conveying roller 5 moves downward, the rotating conveying roller 5 can also shake off the dust on its outer wall, making the conveying roller 5 not prone to slipping, maintaining a high feeding efficiency and transmission accuracy, and being able to fully contact with the air to obtain efficient heat dissipation.

[0042] When the strip-shaped frame 3 drives the conveying roller 5 to move downward, the strip-shaped frame 3 will also drive the driven gear 20 to sweep across the rack 19. The rack 19 will drive the driven gear 20 to rotate. The driven gear 20 will drive the second reciprocating lead screw 16 to rotate. The second reciprocating lead screw 16 will drive the reciprocating push plate 18 to slide reciprocally. The reciprocating push plate 18 will drive the conveying roller 5 to slide reciprocally on the outer wall of the polygonal guide rod 8 through the ring 17. And the final stopping position of the conveying roller 5 does not overlap with the previous position. This can prevent the conveying roller 5 from overly concentrating on using a certain outer wall to contact and friction with the steel structure raw materials after the conveying roller 5 is reset upward. In this way, the rubber sleeve 6 on the outer wall of the conveying roller 5 is not prone to wear and heat generation, further reducing the maintenance times and costs.

[0043] When the strip frame 3 moves downward, the conveying roller 5 will be close to the upper port of the suction hood 21, and will also drive the L-shaped frame 10 to move downward, the L-shaped frame 10 will push the top pressure plate 22 to move downward, and the top pressure plate 22 will drive the suction hood 21 to move downward synchronously, so as to maintain a fixed distance between the suction hood 21 and the conveying roller 5, and the downwardly moving strip frame 3 will also drive the transmission wheel 30 to press on another transmission wheel 30, and the rotating shaft 7 will drive the exhaust pipe 26 to rotate through the two mutually fitting transmission wheels 30, and the exhaust pipe 26 will drive the internal fan blades 27 to rotate, and the exhaust pipe 26 will inhale air from the suction hood 21 through the suction holes 28, and the suction The air hood 21 will absorb the dust adhering to the outer wall of the rubber sleeve 6, and can also dissipate heat for the conveying roller 5 and the rubber sleeve 6, so that the rubber sleeve 6 on the outer wall of the conveying roller 5 is not easy to slip, thereby maintaining good conveying accuracy. The dust and air absorbed by the exhaust pipe 26 will be discharged from the other end thereof. When the air hood 21 moves downward, the air hood 21 will also drive the support rod 24 to slide toward the inner bottom direction of the vertical pipe 23 and compress the spring 25. After the strip frame 3 drives the L-shaped frame 10 to reset upward, the top pressure plate 22 is no longer subjected to the top pressure of the L-shaped frame 10. At this time, the spring 25 will elastically reset and drive the air hood 21 to move upward and reset through the support rod 24.

[0044] After the conveying roller 5 approaches the upper port of the air suction hood 21, the brush 29 on the outer wall of the exhaust pipe 26 will contact the outer wall of the conveying roller 5, so that the dust on the outer wall of the rubber sleeve 6 can be cleaned more efficiently, and the reciprocating conveying roller 5 will make the rubber sleeve 6 slide back and forth on the brush 29, so that the brush 29 can clean the dust on the outer wall of the rubber sleeve 6 more efficiently, and the reciprocating conveying roller 5 can be in more complete contact with the flowing air, thereby enabling the conveying roller 5 and the rubber sleeve 6 to obtain better heat dissipation.

[0045] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the present invention can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. A feeding device for steel structure processing, including a protective cover (1) with a strip-shaped groove (2) provided at the top, characterized in that, Further included are: Two groups of symmetrically arranged strip-shaped frames (3), which are longitudinally and slidably installed in the protective cover (1) and are arranged parallel to the strip-shaped grooves (2). Among them, rotating shafts (7) are rotatably installed on both groups of strip-shaped frames (3), and conveying rollers (5) are installed on the outer walls of each rotating shaft (7). One group of conveying rollers (5) is located in the gap between the other group of conveying rollers (5), and a driving source (9) for driving the rotating shaft (7) to rotate is fixedly installed on the strip-shaped frame (3). Two symmetrically arranged lifting frames (15) are respectively fixedly connected to the two strip-shaped frames (3), and a lifting part for driving the two lifting frames (15) to lift and lower in turn is provided on the protective cover (1).

2. The feeding device for steel structure processing according to claim 1, characterized in that The lifting part includes two first reciprocating lead screws (11) rotatably connected to the protective cover (1). The two strip-shaped frames (3) are respectively connected to the outer walls of the two first reciprocating lead screws (11), and passive gears (13) are fixedly installed on the tops of the two first reciprocating lead screws (11). A driving motor (12) is fixedly installed on the protective cover (1), and two incomplete gears (14) are fixedly installed on the output shaft of the driving motor (12). When one incomplete gear (14) meshes with one passive gear (13), the other incomplete gear (14) does not mesh with the other passive gear (13).

3. The feeding device for steel structure processing according to claim 1, characterized in that, An L-shaped frame (10) is fixedly connected to the strip-shaped frame (3). One end of the rotating shaft (7) is rotatably installed on the L-shaped frame (10). A polygonal guide rod (8) is fixedly connected to the outer wall of the rotating shaft (7). The conveying roller (5) is horizontally and slidably sleeved on the outer wall of the polygonal guide rod (8). A pushing part is provided on the strip-shaped frame (3). When the strip-shaped frame (3) moves downward, the pushing part drives the conveying roller (5) to slide along the outer wall of the polygonal guide rod (8).

4. The feeding device for steel structure processing according to claim 3, characterized in that, The pushing part includes a second reciprocating lead screw (16) rotatably connected to the outer wall of the strip-shaped frame (3). A reciprocating push plate (18) is installed on the outer wall of the second reciprocating lead screw (16). A driven gear (20) is installed at the shaft end of the conveying roller (5) through a one-way bearing. A rack (19) meshed with the driven gear (20) is fixedly installed in the protective cover (1). A ring (17) is fixedly connected to the end of the reciprocating push plate (18), and the ring (17) is rotatably connected to the shaft end of the conveying roller (5).

5. The feeding device for steel structure processing according to claim 3, characterized in that, An air suction hood (21) is provided at the inner bottom of the protective cover (1). The air suction end of the air suction hood (21) faces the lower part of the conveying roller (5). One end of the air suction hood (21) is rotatably connected to an exhaust air pipe (26) communicated therewith.

6. The feeding device for steel structure processing according to claim 5, characterized in that, The bottom of the protective cover (1) is fixedly connected with a vertical pipe (23). A support rod (24) is longitudinally and slidably installed in the vertical pipe (23). A spring (25) is installed between the support rod (24) and the bottom of the vertical pipe (23). The suction hood (21) is fixedly connected to the top of the support rod (24). A top pressing plate (22) is fixedly connected to the side wall of the suction hood (21). After the L-shaped frame (10) moves downward, the L-shaped frame (10) will press on the top pressing plate (22).

7. The feeding device for steel structure processing according to claim 6, characterized in that, The suction end of the exhaust pipe (26) extends into the suction hood (21). Suction holes (28) are provided on the outer wall of the exhaust pipe (26) inside the suction hood (21). A brush (29) is fixedly arranged on the outer wall of the exhaust pipe (26) close to the suction holes (28).

8. The feeding device for steel structure processing according to claim 7, characterized in that, A fan blade (27) is fixedly installed on the inner wall of the exhaust end of the exhaust pipe (26). Transmission wheels (30) are fixedly connected to the other end of the exhaust pipe (26) and the outer wall of the rotating shaft (7). After the rotating shaft (7) moves downward, the transmission wheel (30) on the rotating shaft (7) will be in contact with another transmission wheel (30).

9. The feeding device for steel structure processing according to claim 5, characterized in that, A wind collecting hood (31) is longitudinally and slidably installed on the inner wall of the protective cover (1). A discharge port (32) extending to the lower end of the protective cover (1) is provided at the lower end of the wind collecting hood (31). The exhaust end of the exhaust pipe (26) extends into the wind collecting hood (31).

10. The feeding device for steel structure processing according to claim 1, characterized in that, A rubber sleeve (6) is fixedly sleeved on the outer wall of the conveying roller (5), and anti-slip lines (4) are provided on the outer wall of the rubber sleeve (6).

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