Intermediate frequency heating furnace capable of automatically cleaning materials

Abstract

The invention relates to the technical field of medium-frequency heating furnaces, in particular to a medium-frequency heating furnace capable of automatically cleaning materials. Comprising an intermediate frequency heating furnace, a feeding device and a control system, and further comprises a feeding device, a discharging device and a rack device, the feeding device and the discharging device are located on the two sides of the intermediate frequency heating furnace respectively, the rack device is located below the intermediate frequency heating furnace and the discharging device, and the feeding device is arranged in the rack device. According to the intermediate frequency heating furnace capable of automatically clearing the materials, the problems of incomplete discharging and high-temperature adhesion are effectively solved through systematic optimization, the manual intervention requirement is remarkably reduced, the discharging efficiency and the process stability are improved, and efficient and continuous production is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of medium frequency heating furnaces, and in particular to an automatic material-clearing medium frequency heating furnace. Background Art

[0002] At present, medium frequency heating furnaces generally adopt a design scheme of single-side cylinder pushing and feeding: the cylinder at the feeding end pushes the workpieces into the furnace one by one, and the workpieces are tightly arranged in the furnace. When discharging, the workpieces at the discharging end need to be indirectly driven out by the continuous pushing of the workpieces at the feeding end. However, due to the physical constraints of the cylinder telescopic stroke, this scheme cannot completely push out all the workpieces in the furnace, resulting in the problem of residual discharge. In addition, when the furnace temperature is high, such as above 1200°C, the partial melting of the workpiece surface can easily cause the adjacent workpieces to stick together, further aggravating the discharge resistance and seriously affecting the continuity of production.

[0003] In response to the above problems, the present invention proposes an automatic cleaning medium frequency heating furnace, which effectively solves the problems of incomplete discharge and high temperature adhesion through systematic optimization. This solution significantly reduces the need for manual intervention, improves discharge efficiency and process stability, and ultimately achieves efficient and continuous production. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the prior art and to propose an automatic cleaning medium frequency heating furnace.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an automatic clearing medium frequency heating furnace, comprising a medium frequency heating furnace, a loading device, a control system, a feeding device, a unloading device, and a rack device, wherein the loading device and the unloading device are respectively located on both sides of the medium frequency heating furnace, the rack device is located below the medium frequency heating furnace and the unloading device, and the feeding device is arranged inside the rack device; The feeding device comprises a lifting beam, a push-pull beam located above the lifting beam, a movable guide rail and a fixed guide rail. The movable guide rail and the fixed guide rail are arranged inside the medium frequency heating furnace and located above the push-pull beam. A lifting cylinder is fixedly connected to the lower plane of the lifting beam, and a push-pull cylinder is fixedly connected to one end of the push-pull beam. The unloading device includes a guard plate assembly, a base, a motor located below the base, a transmission assembly 1 located above the base, and a transmission assembly 2 located to the upper left of the transmission assembly 1; The rack device includes a rack, a rack top plate fixed to the top surface of the rack, and a rack door plate fixedly connected to the outer sides of the rack; A pushing assembly is arranged at the rear of the feeding device.

[0006] Furthermore, a number of lifting beam support plates and rectangular beams with equal spacing are symmetrically fixed on the left and right sides of the lifting beam, a guide sleeve is fixed on the upper and lower panels inside the rectangular beam, a guide rod passes through the rectangular beam up and down and is slidably placed in the guide sleeve, the upper and lower ends of the guide rod outside the rectangular beam are fixedly connected to a flange, the bottom of the guide rod is fixedly connected to a guide rod mounting plate, and the guide rod mounting plate is fixed on the frame of the frame device.

[0007] Furthermore, inverted V-shaped guide rails are fixedly connected on both sides of the upper plane of the lifting beam, and a plurality of guide rail guide wheels are slidably arranged on the guide rails. The guide rail guide wheels are fixedly connected to guide rail guide wheel mounting seats, and the guide rail guide wheel mounting seats are symmetrically fixed on both sides of the bottom surface of the push-pull beam.

[0008] Furthermore, the movable guide rails are a pair and penetrate the medium frequency heating furnace from front to back. Fixed support rods are fixedly connected below the two ends of the movable guide rails. The upper and lower parts of the two adjacent fixed support rods are respectively fixedly connected by fixed support rod connecting seats, and the bottom ends are fixedly connected to the upper plane of the push-pull beam by fixed support rod mounting seats. A cooling water interface is also provided on one side of the fixed support rod, which is connected to the bottom surface of the movable guide rail.

[0009] Furthermore, the fixed guide rails are three pairs with the same spacing distance, and are located obliquely below the inner side of the movable guide rails, the fixed guide rails are fixed in the medium frequency heating furnace, and the bottom surfaces of both ends of the movable guide rails are connected with two cooling water interfaces, and fixed guide rail guide rods are arranged on both sides of the fixed guide rails, and the top and bottom ends of the fixed guide rail guide rods are respectively fixedly connected with a fixed guide rail guide roller mounting seat and a fixed guide rail guide roller mounting seat, and a fixed guide rail guide sleeve is provided on the middle sliding sleeve of the fixed guide rail guide rod, and a fixed guide rail guide roller is fixedly connected to the fixed guide rail guide roller mounting seat, and the fixed guide rail guide roller rolls on the bottom surface of the fixed guide rail, and a fixed guide rail guide roller is fixedly connected to the fixed guide rail guide roller mounting seat, and the fixed guide guide roller rolls on the upper plane of the push-pull beam, and a flange two is fixedly connected to the middle of the fixed guide guide sleeve, and two adjacent fixed guide guide sleeves are fixedly connected by a connecting plate below the flange two.

[0010] Furthermore, the transmission assembly 1 includes a plurality of rotating shaft-fixing seats fixed on both sides of the plane on the base and symmetrically arranged, a rotating shaft 1 rotatably fixed between two symmetrical rotating shaft-fixing seats, and a transmission wheel fixed on the rotating shaft 1. A plurality of gears 1 are fixed at one end of all rotating shafts 1, and the gears 1 adjacent to each other on the left and right are respectively connected by chain 1 transmission, the leftmost gear 1 is connected by chain 2 to the transmission assembly 2, and the rightmost gear 1 is connected by chain 3 to the output shaft of the motor. The transmission component 2 includes gear 2, gear 3, rotating shaft 2, rotating shaft 3, chain 2, and a scraper. The two ends of the rotating shaft 2 are respectively rotatably fixed on the two side panels of the n-shaped shield. The rotating shaft 2 is two and is on the same horizontal line. Two gears 5 are fixed to the middle part of the rotating shaft 2. The two corresponding gears 5 on the rotating shaft 2 are respectively connected by chain 4 transmission. The scraper is fixed at the bottom of the chain 4. The rotating shaft 3 is located obliquely above the rotating shaft 2 and the two ends are respectively rotatably fixed on the two side panels of the n-shaped shield. The gear 3 is located on the outside of the side panel of the n-shaped shield and is fixedly connected to one end of the rotating shaft 3. One side of the gear 3 is provided with a gear 4 rotatably fixed to the outside of the side panel of the n-shaped shield. The inner side of the chain 2 meshes with gear 1, gear 3, and gear 4, and the outer side meshes with gear 2.

[0011] Furthermore, the guard plate assembly includes an n-shaped guard covering the top of the transmission assembly 2 and fixed on the base, sheet metal guard 1 and sheet metal guard 3, sheet metal guard 2, and sheet metal guard 4 respectively fixed on the two outer sides of the n-shaped guard, the sheet metal guard 2 is fixed on the outside of the transmission assembly 1, the chain 3, and the motor, and the sheet metal guard 4 is fixed on the other outer side of the transmission assembly 1.

[0012] Furthermore, the medium frequency heating furnace outlet is provided with a temperature sensor. The frame includes a plurality of vertical support frames and a plurality of horizontal support frames fixed on the vertical support frames. A medium frequency heating furnace is fixedly connected to the middle of the upper plane of the frame top plate. An escalator is arranged on one side of the frame device near the unloading device. Fences are fixedly arranged on both sides of the escalator and around the upper plane of the frame device. The bottom surface of the jacking cylinder is fixed on the frame, and the telescopic end of the jacking cylinder is fixedly connected to the bottom surface of the jacking beam. One end of the push-pull cylinder is fixed on the frame, and the telescopic end of the push-pull cylinder is fixedly connected to the top surface of the push-pull beam.

[0013] An automatic material clearing method comprises the above-mentioned automatic material clearing medium frequency heating furnace and the following steps: S1, loading: The control system controls the telescopic end of the push-pull cylinder to extend, pushes the push-pull beam to drive the movable guide rail to move horizontally close to the loading device, the loading device lifts the workpiece to the front of the fixed guide rail, and then the push cylinder pushes the workpiece onto the movable guide rail; S2, feeding: the control system controls the telescopic end of the lifting cylinder to extend to lift the workpiece on the movable guide rail, then the telescopic end of the push-pull cylinder retracts, driving the workpiece to move horizontally toward the unloading device, and then the telescopic end of the lifting cylinder retracts to drive the workpiece down to the original height. At this time, the workpiece falls on the fixed guide rail and does not touch the movable guide rail; S3, unloading: The temperature sensor monitors the temperature of the workpiece at the discharge port of the medium frequency heating furnace in real time. When the set value is reached, the telescopic end of the push-pull oil cylinder extends, driving the movable guide rail to move horizontally in the direction of the loading device. The telescopic end of the lifting oil cylinder extends, and the movable guide rail lifts the workpiece. Subsequently, the telescopic end of the push-pull oil cylinder retracts, and the movable guide rail drives the workpiece to move horizontally in the direction of the unloading device until the workpiece at the discharge port of the medium frequency heating furnace moves to the bottom of the transmission component 2. S4, repeat steps S1-S3 until all workpieces have completed heating.

[0014] Furthermore, the S2 also includes: S21, repeat steps S1-S2 until the fixed guide rail in the medium frequency heating furnace is full of workpieces; The S3 also includes: S31, the control system controls the motor output shaft to rotate, and drives the transmission component 1 and the transmission component 2 to rotate in turn; S32, the transmission component 2 scrapes the workpiece below the transmission component 2 and moves it to the upper left side of the transmission component 1; S33, the transmission component 1 continues to rotate to drive the workpiece to move to the upper right side of the transmission component 1; S34, the robot arm grabs the workpiece and sends it to the next process; The S33 also includes: S331, if the temperature sensor fails or is under maintenance, the temperature of the workpiece is manually detected after the workpiece is moved to the upper right side of the transmission component 1. If the temperature does not reach the set value, the control system controls the motor output shaft to reverse, drive the workpiece on the upper right side of the transmission component 1 back to the upper left side of the transmission component 1, and the transmission component 2 rotates in the opposite direction to scrape the workpiece and move it back to the movable guide rail; S332, the control system controls the telescopic end of the push-pull cylinder to extend, and brings the workpiece back to the medium frequency heating furnace to continue heating until the temperature reaches the set value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention; Figure 2 A top view of the present invention; Figure 3 A front view of a rack of the rack device of the present invention; Figure 4 A top view of a rack of the rack device of the present invention; Figure 5 It is a front view of the feeding device in the present invention; Figure 6 For the present invention Figure 5 Enlarged view of part A in the middle; Figure 7 It is a side view of the feeding device in the present invention; Figure 8 It is a front view of the blanking device without the guard plate assembly in the present invention; Fig. 9 It is a right view of the unloading device without the guard plate assembly in the present invention; Fig.10 It is a front view of the feeding device in the present invention; Fig.11 It is a right side view of the feeding device in the present invention; In the figure: 1. Medium frequency heating furnace, 2. Loading device, 21. Pushing assembly, 3. Feeding device, 31. Lifting cylinder, 32. Push-pull cylinder, 33. Lifting beam, 34. Push-pull beam, 35. Lifting beam support plate, 36. Rectangular beam, 37. Guide rod, 38. Guide sleeve, 39. Flange 1, 310. Guide rod mounting plate, 311. Guide rail, 312. Guide rail guide wheel, 313. Fixed guide rail guide sleeve, 314. Flange 2, 315. Connecting plate, 316. Fixed guide rail guide roller installation seat, 317, fixed guide rail guide roller, 318, fixed guide rail guide roller mounting seat, 319, fixed guide rail guide rod, 320, fixed guide rail guide roller, 321, cooling water interface 2, 322, cooling water interface 1, 323, fixed guide rail, 324, movable guide rail, 325, fixed support rod mounting seat, 326, fixed support rod, 327, fixed support rod connecting seat, 328, guide rail guide wheel mounting seat, 4. Feeding device, 41. Transmission assembly 1, 411. Transmission wheel, 412. Rotating shaft 1, 413. Rotating shaft 1 fixed seat, 414. Chain 1, 415. Chain 3, 416. Gear 1, 42. Transmission assembly 2, 421. Chain 2, 422. Chain 4, 423. Rotating shaft 2, 424. Rotating shaft 3, 425. Gear 2, 426. Gear 3, 427. Gear 4, 428. Gear 5, 429. Scraper, 43. Guard plate assembly, 431. Sheet metal shield 1, 432. Sheet metal shield 2, 433. Sheet metal shield 3, 434. Sheet metal shield 4, 435. N-shaped shield, 44. Base, 45. Motor, 5. rack device, 51. rack door panel, 52. fence, 53. escalator, 54. rack, 541. rack top plate, 542. opening, 543. vertical support frame, 544. horizontal support frame, 6. Workpiece. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0018] Embodiment 1, as Figure 1-Figure 11 As shown, an automatic clearing medium frequency heating furnace comprises a medium frequency heating furnace 1, a loading device 2, and a control system, characterized in that it also comprises a feeding device 3, a unloading device 4, and a rack device 5, wherein the loading device 2 and the unloading device 4 are respectively located on both sides of the medium frequency heating furnace 1, the rack device 5 is located below the medium frequency heating furnace 1 and the unloading device 4, and the feeding device 3 is arranged inside the rack device 5; The feeding device 3 includes a lifting beam 33, a push-pull beam 34 located above the lifting beam 33, a movable guide rail 324 and a fixed guide rail 323. The movable guide rail 324 and the fixed guide rail 323 are arranged inside the medium frequency heating furnace 1 and located above the push-pull beam 34. The lower plane of the lifting beam 33 is fixedly connected to a lifting cylinder 31, and one end of the push-pull beam 34 is fixedly connected to a push-pull cylinder 32. The unloading device 4 includes a guard plate assembly 43, a base 44, a motor 45 located below the base 44, a transmission assembly 1 41 located above the base 44, and a transmission assembly 2 42 located to the upper left of the transmission assembly 1 41; The rack device 5 includes a rack 54, a rack top plate 541 fixed to the top surface of the rack 54, and a rack door plate 51 fixedly connected to the outer side surfaces of the rack 54; A pushing assembly 21 is arranged at the rear of the feeding device 2 .

[0019] In this embodiment, the pusher assembly 21 is a feeding cylinder, and in this embodiment, it also includes an electrical control cabinet and a power supply cabinet arranged on one side of the medium frequency heating furnace 1. The power supply cabinet provides power to the medium frequency heating furnace 1 and the electrical control cabinet. The electrical control cabinet controls the extension and retraction of the extension end of the feeding cylinder, the lifting cylinder 31, and the push-pull cylinder 32 through a hydraulic valve. An opening 542 is provided in the middle of the frame top plate 541 for the fixed guide rail guide rod 319, the cooling water interface 2 321, the cooling water interface 1 322, and the fixed support rod 326 to move.

[0020] Embodiment 2, as Figure 5-Figure 7 As shown, a plurality of lifting beam support plates 35 and rectangular beams 36 with equal spacing are symmetrically fixed on the left and right sides of the lifting beam 33, and a guide sleeve 38 is fixed on the upper and lower panels inside the rectangular beam 36. A guide rod 37 passes through the rectangular beam 36 up and down and is slidably placed in the guide sleeve 38. The upper and lower ends of the guide rod 37 outside the rectangular beam 36 are fixedly connected with a flange 39, and the bottom of the guide rod 37 is fixedly connected with a guide rod mounting plate 310, and the guide rod mounting plate 310 is fixed on the frame 54 of the frame device 5.

[0021] An inverted V-shaped guide rail 311 is fixedly connected to both sides of the upper plane of the lifting beam 33, and a plurality of guide rail guide wheels 312 are slidably arranged on the guide rail 311. The guide rail guide wheels 312 are fixedly connected to the guide rail guide wheel mounting seats 328, and the guide rail guide wheel mounting seats 328 are symmetrically fixed on both sides of the bottom surface of the push-pull beam 34.

[0022] In this embodiment, each guide rod 37 is sleeved in two guide sleeves 38, so that the guiding function of the guide sleeves 38 is increased and the guiding is more accurate. A flange 39 fixedly connected to the upper and lower ends of the guide rod 37 plays a role of limiting, respectively limiting the maximum height and the minimum height of the lifting beam 33. Guide rails 311 are set on both sides of the upper plane of the lifting beam 33 to limit the moving direction of the push-pull beam 34, so that the moving direction of the push-pull beam 34 is more accurate.

[0023] Example 3, continue to refer to Figure 5-Figure 7 The movable guide rails 324 are a pair and penetrate the medium frequency heating furnace 1 from front to back. Fixed support rods 326 are fixedly connected below both ends of the movable guide rails 324. The upper and lower parts of the two adjacent fixed support rods 326 are fixedly connected by fixed support rod connecting seats 327 respectively, and the bottom ends are fixedly connected to the upper plane of the push-pull beam 34 by fixed support rod mounting seats 325. A cooling water interface 322 is also provided on one side of the fixed support rod 326 to connect with the bottom surface of the movable guide rail 324.

[0024] The fixed guide rails 323 are three pairs with the same spacing distance, and are located obliquely below the inner side of the movable guide rails 324. The fixed guide rails 323 are fixed in the medium frequency heating furnace 1. The bottom surfaces of both ends of the movable guide rails 324 are connected with cooling water interfaces 321. Fixed guide rail guide rods 319 are arranged on both sides of the fixed guide rails 323. Fixed guide rail guide roller mounting seats 318 and fixed guide rail guide roller mounting seats 316 are respectively fixedly connected to the top and bottom ends of the fixed guide rail guide rods 319. The middle sliding sleeve of the fixed guide rail guide rods 319 is provided with fixed guide rail guide roller mounting seats 318 and fixed guide rail guide roller mounting seats 316. The sleeve 313, the fixed guide rail guide roller 320 is fixedly connected to the fixed guide rail guide roller mounting seat 318, the fixed guide rail guide roller 320 rolls on the bottom surface of the fixed guide rail 323, the fixed guide rail guide roller 317 is fixedly connected to the fixed guide rail guide roller mounting seat 316, the fixed guide rail guide roller 317 rolls on the upper plane of the push-pull beam 34, the middle part of the fixed guide rail guide sleeve 313 is fixedly connected with a flange 2 314, and the two adjacent fixed guide rail guide sleeves 313 are fixedly connected by a connecting plate 315 below the flange 2 314.

[0025] In this embodiment, the length of the movable guide rail 324 is 7 to 8 meters, the length of the fixed guide rail 323 is 2 to 3 meters, and the number is 3 pairs. On this basis, the length of the movable guide rail 324 and the fixed guide rail 323 can be increased or decreased according to the situation, and the number of the fixed guide rail 323 can also be increased or decreased. The spacing distance of the movable guide rail 324 should be sufficient to ensure that the fixed guide rail guide rod 319 can move left and right within this spacing distance without being hindered. The upper and lower parts of the two adjacent fixed support rods 326 are fixedly connected by the fixed support rod connecting seat 327 respectively to ensure that the two movable guide rails 324 move synchronously. The setting of multiple fixed guide rail guide rods 319 can not only provide accurate guidance for the movable guide rail 324, but also provide support for the movable guide rail 324 to prevent the movable guide rail 324 from being deformed by the workpiece 6. The length of the fixed guide rail guide sleeve 313 slidably sleeved in the middle of the fixed guide rail guide rod 319 should be long enough to ensure that the fixed guide rail guide rod 319 can only be lifted and lowered along the length direction of the fixed guide rail guide sleeve 313. Two adjacent fixed guide rail guide sleeves 313 are fixedly connected by a connecting plate 315 to ensure that the two adjacent fixed guide rail guide rods 319 move synchronously.

[0026] The cooling water interface 1 322 at one end of the bottom surface of the movable guide rail 324 is a water inlet, and the cooling water interface 1 322 at the other end is a water outlet, and the cooling water flows through the movable guide rail 324; the cooling water interface 2 321 at one end of the bottom surface of the fixed guide rail 323 is a water inlet, and the cooling water interface 2 321 at the other end is a water outlet, and the cooling water flows through the fixed guide rail 323. The core function of the cooling water is to dissipate heat and control temperature, reduce the temperature of the movable guide rail 324 and the fixed guide rail 323, prevent the movable guide rail 324 and the fixed guide rail 323 from overheating and deformation, and extend their service life.

[0027] Embodiment 4, as Figure 8-Figure 11 As shown, the transmission assembly 41 includes a plurality of rotating shafts-fixing seats 413 fixed on both sides of a plane on a base 44 and symmetrically arranged, a rotating shaft 412 rotatably fixed between two symmetrical rotating shaft-fixing seats 413, and a transmission wheel 411 fixed on the rotating shaft 412. A plurality of gears 416 are also fixed at one end of all rotating shafts 412. The gears 416 adjacent to each other on the left and right are respectively connected by a chain 414. The leftmost gear 416 is connected to the transmission assembly 2 42 by a chain 2 421. The rightmost gear 416 is connected to the output shaft of the motor 45 by a chain 3 415. The transmission assembly 2 42 includes a gear 2 425, a gear 3 426, a rotating shaft 2 423, a rotating shaft 3 424, a chain 2 421, and a scraper 429. The two ends of the rotating shaft 2 423 are respectively rotatably fixed on the two side panels of the n-shaped shield 435. The rotating shaft 2 423 is two and is on the same horizontal line. Two gears 5 428 are fixed in the middle of the rotating shaft 2 423. The two corresponding gears 5 428 on the rotating shaft 2 423 are respectively connected by the chain 4 422. The scraper 429 is fixed on the chain 4 The bottom of 422, the rotating shaft three 424 is located obliquely above the rotating shaft two 423 and the two ends are respectively rotatably fixed on the two side panels of the N-shaped shield 435, the gear three 426 is located on the outside of the side panel of the N-shaped shield 435, and is fixedly connected to one end of the rotating shaft three 424, and one side of the gear three 426 is provided with a gear four 427 rotatably fixed on the outside of the side panel of the N-shaped shield 435, the inner side of the chain two 421 meshes with the gear one 416, the gear three 426, and the gear four 427, and the outer side meshes with the gear two 425.

[0028] The guard plate assembly 43 includes an n-shaped guard 435 covering the top of the transmission assembly 2 42 and fixed on the base 44, a sheet metal guard 1 431 and a sheet metal guard 3 433, a sheet metal guard 2 432, and a sheet metal guard 4 434 respectively fixed on the two outer sides of the n-shaped guard 435; the sheet metal guard 2 432 is fixed on the outside of the transmission assembly 1 41, the chain 3 415, and the motor 45; the sheet metal guard 4 434 is fixed on the other outer side of the transmission assembly 1 41.

[0029] In this embodiment, after the movable guide rail 324 moves to the right, it is just located below the transmission component 2 42, the right end of the movable guide rail 324 is close to the transmission component 1 41, and the horizontal heights of the movable guide rail 324 and the transmission wheel 411 match, so that the workpiece 6 can move back and forth between the movable guide rail 324 and the transmission wheel 411.

[0030] The inner side of the chain 2 421 meshes with the gear 1 416, the gear 3 426, and the gear 4 427, and the outer side meshes with the gear 2 425 to ensure that the transmission assembly 1 41 and the transmission assembly 2 42 rotate in opposite directions. The gear 2 425 is located obliquely below the gear 3 426 to increase the effective meshing teeth number between the chain 2 421 and the gear 2 425, to ensure a sufficient number of meshing teeth, to improve transmission efficiency, reduce wear and reduce noise. The gear 4 427 is used to increase the spacing between the chain 2 421 at the gear 2 425 to ensure the safe rotation of the chain 2 421.

[0031] When the workpiece 6 is to be moved from the movable guide rail 324 to the transmission wheel 411, the transmission component 2 42 rotates counterclockwise, so that the scraper 429 scrapes the workpiece 6 from left to right and moves it to the transmission wheel 411 at the left end. At this time, the transmission component 1 41 rotates clockwise to make the workpiece 6 continue to move to the right until it is completely on the transmission wheel 411; when the workpiece 6 is to be moved from the transmission wheel 411 to the movable guide rail 324, the transmission component 1 41 rotates counterclockwise to make the workpiece 6 move from right to left to the movable guide rail 324, and the transmission component 2 42 rotates clockwise to make the scraper 429 scrape the workpiece 6 from right to left and move it completely onto the movable guide rail 324.

[0032] Embodiment 5, as Figure 1-Figure 5 As shown, the outlet of the medium frequency heating furnace 1 is provided with a temperature sensor. The frame 54 includes a plurality of vertical support frames 543 and a plurality of horizontal support frames 544 fixed on the vertical support frames 543. The intermediate frequency heating furnace 1 is fixedly connected to the middle of the upper plane of the frame top plate 541. A ladder 53 is arranged on one side of the frame device 5 near the unloading device 4. Fences 52 are fixedly arranged on both sides of the ladder 53 and around the upper plane of the frame device 5. The bottom surface of the lifting cylinder 31 is fixed on the frame 54, and the telescopic end of the lifting cylinder 31 is fixedly connected to the bottom surface of the lifting beam 33. One end of the push-pull cylinder 32 is fixed on the frame 54, and the telescopic end of the push-pull cylinder 32 is fixedly connected to the top surface of the push-pull beam 34.

[0033] In this embodiment, an escalator 53 is provided and maintenance passages are left on both sides of the medium frequency heating furnace 1 to facilitate the maintenance and repair of the equipment by the staff. When the temperature sensor fails or needs to be repaired, the staff can stand on the maintenance passage beside the unloading device 4 and use a temperature measuring instrument (such as an infrared thermometer) to manually measure the temperature of the workpiece 6 on the unloading device 4.

[0034] Embodiment 6, based on the above embodiment, Figure 1-Figure 11 As shown, an automatic material clearing method comprises the following steps: S1, loading: the control system controls the telescopic end of the push-pull cylinder 32 to extend, pushes the push-pull beam 34 to drive the movable guide rail 324 to move horizontally close to the loading device 2, the loading device 2 lifts the workpiece 6 to the front of the fixed guide rail 323, and then the push assembly 21 pushes the workpiece 6 onto the movable guide rail 324; S2, feeding: the control system controls the telescopic end of the jacking cylinder 31 to extend to lift the jacking beam 33, and the jacking beam 33 drives the push-pull beam 34, the movable guide rail 324, and the workpiece 6 on the movable guide rail 324 to rise in turn. Then, the control system controls the telescopic end of the push-pull cylinder 32 to retract, pull the push-pull beam 34 to drive the movable guide rail 324 and the workpiece 6 on the movable guide rail 324 to move horizontally in the direction of the unloading device 4 for a certain distance, and then the control system controls the telescopic end of the jacking cylinder 31 to retract and drive the jacking beam 33 back to the original position. The jacking beam 33 drives the push-pull beam 34, the movable guide rail 324, and the workpiece 6 on the movable guide rail 324 to descend to the original height in turn. At this time, the workpiece 6 falls on the fixed guide rail 323 and does not contact the movable guide rail 324. S3, unloading: The temperature sensor monitors the temperature of the workpiece 6 at the discharge port of the medium frequency heating furnace 1 in real time and sends the data to the control system. After the control system determines that the temperature of the workpiece 6 reaches the set value, it controls the telescopic end of the push-pull cylinder 32 to extend, pushes the push-pull beam 34 to drive the movable guide rail 324 to move horizontally in the direction of the loading device 2 for a certain distance, and then the control system controls the telescopic end of the lifting cylinder 31 to extend, drive the movable guide rail 324 to rise, and the workpiece 6 on the fixed guide rail 323 is then lifted up by the movable guide rail 324. Subsequently, the control system controls the telescopic end of the push-pull cylinder 32 to retract, pushes the push-pull beam 34 to drive the movable guide rail 324 to move horizontally in the direction of the unloading device 4, until the workpiece 6 at the discharge port of the medium frequency heating furnace 1 moves to the bottom of the transmission component 2 42; S4, repeat steps S1-S3 until all workpieces 6 have completed heating.

[0035] The S2 also includes: S21, repeat steps S1-S2 until the fixed guide rail 323 in the medium frequency heating furnace 1 is filled with workpieces 6, and the workpieces 6 are arranged at intervals in the medium frequency heating furnace 1 without contacting each other.

[0036] The S3 also includes: S31, the control system controls the output shaft of the motor 45 to rotate, and drives the transmission component 1 41 and the transmission component 2 42 to rotate in sequence; specifically, the chain 3 415, the chain 1 414, the chain 2 421, and the chain 4 422 drive the gear 1 416, the gear 2 425, the gear 3 426, the gear 4 427, and the gear 5 428 to rotate in sequence, and then drives the scraper 429 and the transmission wheel 411 to rotate; S32, the transmission component 2 42 scrapes the workpiece 6 below the transmission component 2 42 to move to the upper left side of the transmission component 1 41; specifically, the scraper 429 rotates to the left end of the workpiece 6 along with the chain 422, scraping the workpiece 6 below the transmission component 2 42 to move to the upper left end of the transmission wheel 411; S33, the transmission assembly 41 continues to rotate to drive the workpiece 6 to move to the upper right side of the transmission assembly 41; specifically, the transmission wheel 411 rotates to drive the workpiece 6 to move to the upper right end of the transmission wheel 411; S34, the robot arm grabs the workpiece 6 and sends it to the next process; The S33 also includes: S331, if the temperature sensor fails or is under maintenance, the temperature of the workpiece 6 is manually detected after the workpiece 6 is moved to the upper right side of the transmission component 1 41 (i.e., above the right end of the transmission wheel 411). If the temperature does not reach the set value, the control system controls the output shaft of the motor 45 to reverse, driving the workpiece 6 on the upper right side of the transmission component 1 41 (i.e., above the right end of the transmission wheel 411) to move back to the upper left side of the transmission component 1 41 (i.e., above the left end of the transmission wheel 411), and the transmission component 2 42 rotates in the opposite direction to make the scraper 429 scrape the workpiece 6 and translate it back to the movable guide rail 324; S332, the control system controls the telescopic end of the push-pull cylinder 32 to extend, and brings the workpiece 6 back to the medium frequency heating furnace 1 to continue heating until the temperature reaches the set value.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic clearing medium frequency heating furnace, comprising a medium frequency heating furnace (1), a feeding device (2), and a control system, characterized in that: It also includes a feeding device (3), a feeding device (4), and a frame device (5), wherein the feeding device (2) and the feeding device (4) are respectively located on both sides of the medium frequency heating furnace (1), the frame device (5) is located below the medium frequency heating furnace (1) and the feeding device (4), and the feeding device (3) is arranged inside the frame device (5); The feeding device (3) comprises a lifting beam (33), a push-pull beam (34) located above the lifting beam (33), a movable guide rail (324) and a fixed guide rail (323); the movable guide rail (324) and the fixed guide rail (323) are arranged inside the medium frequency heating furnace (1) and located above the push-pull beam (34); a lifting cylinder (31) is fixedly connected to the lower plane of the lifting beam (33); and a push-pull cylinder (32) is fixedly connected to one end of the push-pull beam (34); The unloading device (4) comprises a guard plate assembly (43), a base (44), a motor (45) located below the base (44), a transmission assembly 1 (41) located above the base (44), and a transmission assembly 2 (42) located to the upper left of the transmission assembly 1 (41); The rack device (5) comprises a rack (54), a rack top plate (541) fixed to the top surface of the rack (54), and a rack door plate (51) fixedly connected to the outer side surfaces of the rack (54); A pushing assembly (21) is arranged at the rear of the feeding device (2).

2. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: A plurality of lifting beam support plates (35) and rectangular beams (36) are symmetrically fixed at equal intervals on the left and right sides of the lifting beam (33); guide sleeves (38) are fixed on the upper and lower panels inside the rectangular beam (36); a guide rod (37) passes through the rectangular beam (36) from top to bottom and is slidably placed in the guide sleeve (38); a flange (39) is fixedly connected to the upper and lower ends of the guide rod (37) outside the rectangular beam (36); a guide rod mounting plate (310) is fixedly connected to the bottom of the guide rod (37); and the guide rod mounting plate (310) is fixed to the frame (54) of the frame device (5).

3. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: An inverted V-shaped guide rail (311) is fixedly connected to both sides of the upper plane of the lifting beam (33), a plurality of guide rail guide wheels (312) are slidably arranged on the guide rail (311), the guide rail guide wheels (312) are fixedly connected to a guide rail guide wheel mounting seat (328), and the guide rail guide wheel mounting seat (328) is symmetrically fixed to both sides of the bottom surface of the push-pull beam (34).

4. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: The movable guide rails (324) are a pair and penetrate the medium frequency heating furnace (1) from front to back. Fixed support rods (326) are fixedly connected below both ends of the movable guide rails (324). The upper and lower parts of two adjacent fixed support rods (326) are respectively fixedly connected via fixed support rod connecting seats (327), and the bottom ends are fixedly connected to the upper plane of the push-pull beam (34) via fixed support rod mounting seats (325). A cooling water interface (322) is also provided on one side of the fixed support rod (326) and is connected to the bottom surface of the movable guide rail (324).

5. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: The fixed guide rails (323) are three pairs with the same spacing, and are located obliquely below the inner side of the movable guide rail (324). The fixed guide rails (323) are fixed in the medium frequency heating furnace (1). The bottom surfaces of both ends of the movable guide rails (324) are connected to cooling water interfaces (321). Fixed guide rail guide rods (319) are arranged on both sides of the fixed guide rails (323). The top and bottom ends of the fixed guide rail guide rods (319) are respectively fixedly connected to a fixed guide rail guide roller mounting seat (318) and a fixed guide rail guide roller mounting seat (316). The middle sliding sleeve of the fixed guide rail guide rod (319) is provided with a fixed guide rail guide sleeve ( 313), a fixed guide rail guide roller (320) is fixedly connected to the fixed guide rail guide roller mounting seat (318), the fixed guide rail guide roller (320) rolls on the bottom surface of the fixed guide rail (323), a fixed guide rail guide roller (317) is fixedly connected to the fixed guide rail guide roller mounting seat (316), the fixed guide rail guide roller (317) rolls on the upper plane of the push-pull beam (34), a flange 2 (314) is fixedly connected to the middle of the fixed guide rail guide sleeve (313), and a connecting plate (315) is used below the flange 2 (314) to fixedly connect two adjacent fixed guide rail guide sleeves (313).

6. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: The transmission assembly 1 (41) comprises a plurality of rotating shaft-fixing seats (413) fixed on both sides of a plane on a base (44) and symmetrically arranged, a rotating shaft 1 (412) rotatably fixed between two symmetrical rotating shaft-fixing seats (413), and a transmission wheel (411) fixed on the rotating shaft 1 (412). A gear 1 (416) is fixed at one end of each rotating shaft 1 (412). Two adjacent gears 1 (416) on the left and right are respectively connected by chain 1 (414). The leftmost gear 1 (416) is connected by chain 2 (421) to the transmission assembly 2 (42). The rightmost gear 1 (416) is connected by chain 3 (415) to the output shaft of the motor (45). The transmission assembly 2 (42) includes a gear 2 (425), a gear 3 (426), a rotating shaft 2 (423), a rotating shaft 3 (424), a chain 2 (421), and a scraper (429). The two ends of the rotating shaft 2 (423) are respectively rotatably fixed on the two side panels of the n-shaped shield (435). The rotating shaft 2 (423) is two and is on the same horizontal line. Two gears 5 (428) are fixed in the middle of the rotating shaft 2 (423). The two corresponding gears 5 (428) on the rotating shaft 2 (423) are respectively connected by transmission through the chain 4 (422). The scraper (429) is fixed on the chain 4 The bottom of the rotating shaft (422), the rotating shaft three (424) is located obliquely above the rotating shaft two (423) and its two ends are respectively rotatably fixed on the two side panels of the n-shaped shield (435), the gear three (426) is located on the outside of the side panel of the n-shaped shield (435) and is fixedly connected to one end of the rotating shaft three (424), and one side of the gear three (426) is provided with a gear four (427) rotatably fixed on the outside of the side panel of the n-shaped shield (435), the inner side of the chain two (421) meshes with the gear one (416), the gear three (426) and the gear four (427), and the outer side meshes with the gear two (425).

7. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: The guard plate assembly (43) comprises an n-shaped guard (435) covering the top of the transmission assembly (42) and fixed on the base (44), a sheet metal guard one (431) and a sheet metal guard three (433), a sheet metal guard two (432), and a sheet metal guard four (434) respectively fixed on two outer side surfaces of the n-shaped guard (435), wherein the sheet metal guard two (432) is fixed on the outer side of the transmission assembly (41), the chain three (415), and the motor (45), and the sheet metal guard four (434) is fixed on the other outer side surface of the transmission assembly (41).

8. The medium frequency heating furnace with automatic material cleaning according to claim 1, characterized in that: The outlet of the medium frequency heating furnace (1) is provided with a temperature sensor. The frame (54) comprises a plurality of vertical support frames (543) and a plurality of horizontal support frames (544) fixed on the vertical support frames (543); a medium-frequency heating furnace (1) is fixedly connected to the middle of the upper plane of the frame top plate (541); an escalator (53) is provided on one side of the frame device (5) near the unloading device (4); fences (52) are fixedly provided on both sides of the escalator (53) and around the upper plane of the frame device (5); The bottom surface of the lifting cylinder (31) is fixed on the frame (54), and the telescopic end of the lifting cylinder (31) is fixedly connected to the bottom surface of the lifting beam (33). One end of the push-pull cylinder (32) is fixed on the frame (54), and the telescopic end of the push-pull cylinder (32) is fixedly connected to the top surface of the push-pull beam (34).

9. An automatic material clearing method, comprising an automatic material clearing medium frequency heating furnace according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1, loading: the control system controls the telescopic end of the push-pull cylinder (32) to extend, pushes the push-pull beam (34) to drive the movable guide rail (324) to move horizontally close to the loading device (2), the loading device (2) lifts the workpiece (6) to the front of the fixed guide rail (323), and then the push assembly (21) pushes the workpiece (6) onto the movable guide rail (324); S2, feeding: the control system controls the telescopic end of the lifting cylinder (31) to extend to lift the workpiece (6) on the movable guide rail (324), then the telescopic end of the push-pull cylinder (32) retracts to drive the workpiece (6) to move horizontally in the direction of the unloading device (4), and then the telescopic end of the lifting cylinder (31) retracts to drive the workpiece (6) to descend to the original height. At this time, the workpiece (6) falls on the fixed guide rail (323) and does not contact the movable guide rail (324); S3, unloading: The temperature sensor monitors the temperature of the workpiece (6) at the discharge port of the medium frequency heating furnace (1) in real time. When the set value is reached, the telescopic end of the push-pull cylinder (32) extends, driving the movable guide rail (324) to move horizontally in the direction of the loading device (2). Then, the telescopic end of the lifting cylinder (31) extends, and the movable guide rail (324) lifts the workpiece (6). Subsequently, the telescopic end of the push-pull cylinder (32) retracts, and the movable guide rail (324) drives the workpiece (6) to move horizontally in the direction of the unloading device (4), until the workpiece (6) at the discharge port of the medium frequency heating furnace (1) moves to the bottom of the transmission component 2 (42); S4. Repeat steps S1-S3 until all workpieces (6) have completed heating.

10. An automatic material clearing method according to claim 9, characterized in that: The S2 also includes: S21, repeating steps S1-S2 until the fixed guide rail (323) in the medium frequency heating furnace (1) is filled with workpieces (6); The S3 also includes: S31, the control system controls the output shaft of the motor (45) to rotate, thereby driving the transmission component 1 (41) and the transmission component 2 (42) to rotate in turn; S32, the transmission component 2 (42) scrapes the workpiece (6) below the transmission component 2 (42) and moves it to the upper left side of the transmission component 1 (41); S33, the transmission component 1 (41) continues to rotate to drive the workpiece (6) to move to the upper right side of the transmission component 1 (41); S34, the robot arm grabs the workpiece (6) and sends it to the next process; The S33 also includes: S331, if the temperature sensor fails or is under maintenance, the temperature of the workpiece (6) is manually detected after the workpiece (6) is moved to the upper right side of the transmission component (41). If the temperature does not reach the set value, the control system controls the output shaft of the motor (45) to reverse, driving the workpiece (6) on the upper right side of the transmission component (41) to move back to the upper left side of the transmission component (41), and the transmission component (42) rotates in the opposite direction to scrape the workpiece (6) and re-translate it back onto the movable guide rail (324); S332, the control system controls the telescopic end of the push-pull oil cylinder (32) to extend, and brings the workpiece (6) back into the medium frequency heating furnace (1) to continue heating until the temperature reaches the set value.

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