Continuous electric pulse heat treatment softening equipment for steel and machining method of continuous electric pulse heat treatment softening equipment

Abstract

The invention discloses continuous electric pulse heat treatment softening equipment for steel and a machining method of the continuous electric pulse heat treatment softening equipment, and relates to the technical field of steel heat treatment. The continuous electric pulse heat treatment softening equipment comprises a machine box, a conveying roller way used for conveying the steel is arranged in the machine box in the length direction, and one conductive assembly is rotationally arranged at the end of the machine box; and the power source is connected with the two conductive assemblies in the machine box through wires, the two conductive assemblies in the machine box are used for making contact with the two ends of the steel correspondingly, and a pushing assembly used for transversely pushing out the steel is arranged on one side of the machine box cover. The steel springboard entering the machine box is positioned and clamped through the rotating frame in the machine box and the conductive clamping structure on the movable frame, after heat treatment is conducted on the steel springboard, the steel springboard is pushed out through the discharging mechanism, the clamping structures are unlimited while the steel springboard is pushed out, the steel springboard to be treated enters the machine box, and the steps are repeated. And electric pulse continuous heat treatment of the steel springboard can be conveniently completed.

Description

Technical Field

[0001] The present invention relates to the technical field of steel heat treatment, and specifically provides a continuous electric pulse heat treatment softening device for steel and its processing method. Background Art

[0002] Electric pulse heat treatment mainly utilizes the electroplastic effect, which is the result of the coupling of thermal and non-thermal effects. It can effectively heal internal defects of the microstructure after cold rolling in metal heat treatment and significantly improve the elongation of materials.

[0003] Steel gangplanks are important tools widely used in fields such as construction engineering, bridge construction, and cargo handling. They are usually made of high-quality steel, have a certain strength and stiffness, can withstand a large weight, and maintain stability under different environmental conditions to ensure the safety of construction workers.

[0004] In the prior art, the equipment for heat treatment processing of steel gangplanks using electric pulses generally uses wires to connect to a power source, connects the other end of the wire to a conductive clamp, and clamps both ends of the steel gangplank. The pulse current is used to quickly heat the steel gangplank to an appropriate temperature above the critical point AC3 or ACM and maintain it for a certain time, and then it is cooled in the air.

[0005] In view of the above related technologies, when the existing steel gangplank heat treatment processing equipment processes steel gangplanks, it is necessary to manually repeat the steps of releasing the clamp and clamping the clamp to both ends of the new steel gangplank after replacing the steel gangplank, resulting in low processing efficiency for steel gangplanks. At the same time, there is also a certain risk of scalding. In summary, the processing efficiency of the existing steel gangplank electric pulse heat treatment equipment is low. Summary of the Invention

[0006] Based on this, the purpose of the present invention is to provide a continuous electric pulse heat treatment softening device for steel and its processing method to solve the technical problem of low processing efficiency of the existing steel gangplank electric pulse heat treatment equipment.

[0007] To achieve the above purpose, the present invention provides the following technical solution: A continuous electric pulse heat treatment softening device for steel, including a machine case. A conveying roller path for conveying steel is arranged along the length direction inside the machine case. One of the conductive components is rotatably arranged at the end of the machine case, and the other conductive component is slidably arranged along the length direction. It also includes a power source, and the power source is respectively connected to the two conductive components inside the machine case through wires. The two conductive components inside the machine case are respectively used to contact both ends of the steel. It also includes a machine case cover, and a pushing component for horizontally pushing out the steel is arranged on one side of the machine case cover.

[0008] By adopting the above technical solution, the conductive clamping structures on the rotating frame and the moving frame inside the chassis are used to position and clamp the steel gangplank entering the chassis. After heat treatment of the steel gangplank, the steel gangplank is pushed out by the discharging mechanism. While the steel gangplank is being pushed out, the clamping structure releases the limit. The steel gangplank to be processed enters the chassis and repeats the above steps, conveniently completing the continuous electro-pulse heat treatment of the steel gangplank.

[0009] The present invention is further configured such that one end of the chassis is provided with an installation platform, a rotating frame is rotatably connected to the installation platform, torsion springs are arranged between the rotating shaft of the rotating frame and the installation platform in both the positive and negative directions, the rotating frame is inclined towards the inside of the chassis under normal conditions, the chassis cover is fixedly connected to the top of the chassis, a moving track is arranged on the bottom surface of the inner wall of the chassis cover along the steel material conveying direction, a moving frame is slidably arranged in the moving track, the conveying roller paths are arranged in a V shape inside the chassis, and the moving frame can move along the steel material conveying direction between the conveying roller paths.

[0010] Preferably, when the steel material enters the chassis, the rotating frame can rotate downward to avoid it, and when the moving frame pushes the steel material in the reverse direction, the end of the steel material can be used to lift the rotating frame.

[0011] The present invention is further configured such that when the rotating frame rotates to the vertical state, it will be limited by the installation platform. First telescopic rods are fixedly installed at the bottom ends of both the rotating frame and the moving frame. Lifting sliding grooves are arranged inside both the moving frame and the rotating frame. Lifting clamping blocks are slidably connected in the lifting sliding grooves. Rotating clamping blocks are arranged at the tops of both the moving frame and the rotating frame. The first telescopic rods are used to push the lifting clamping blocks towards the rotating clamping blocks.

[0012] Preferably, the first telescopic rods are extended so that the steel material can be separated from the surface of the conveying roller paths.

[0013] The present invention is further configured such that the rotating clamping block is connected to a rotating table, the rotating table is rotatably connected to the tops of the moving frame and the rotating frame, clamping block rotating grooves for accommodating the rotating clamping blocks are arranged at the tops of both the moving frame and the rotating frame, a through hole is arranged on the rotating table along the sliding direction of the lifting clamping block, a limiting block is fixedly connected to the bottom end of the through hole, a locking column with a diameter smaller than the through hole is connected to the lifting clamping block in the direction towards the through hole, a telescopic tongue for cooperating with the limiting block is slidably connected to the locking column in the radial direction, and when the rotating clamping block rotates into the clamping block rotating groove, the limiting block will be separated from contact with the telescopic tongue.

[0014] Preferably, the limiting structure between the rotating table and the lifting clamping block enables the lifting clamping block to be locked after rising to the in-place position.

[0015] The present invention is further configured such that a plurality of second telescopic rods capable of horizontal expansion and contraction are arranged at intervals along the length direction on one side of the chassis cover, and a push-out port is provided on the other side. The end of the second telescopic rod extends into the interior of the chassis cover and is connected to a push plate, and the push plate is used to push the steel out of the chassis through the push-out port. The movable frame is adjacent to the push-out port side of the clamping block groove at the top of the rotating frame.

[0016] Preferably, the elongation of the second telescopic rod enables the heat-treated steel to be smoothly pushed out of the chassis.

[0017] The present invention is further configured such that the locking post is threadedly connected to the lifting clamping block. After the telescopic tongue is limited by the limiting block, the distance between the opposite surfaces of the lifting clamping block and the rotating clamping block is equal to the thickness of the steel plate.

[0018] Preferably, after the height of the lifting clamping block is locked, the steel contacts the lifting clamping block and the rotating clamping block simultaneously.

[0019] The present invention is further configured such that the rotating clamping block at the top of the rotating frame is rotatably connected to the rotating table, and a reset torsion spring is provided in the rotating shaft. The rotating shaft of the rotating clamping block is orthogonal to the rotating shaft of the rotating table. When the rotating frame is in a vertical state, the rotating clamping block is in a horizontal state and is restricted from rotating upward by the rotating frame.

[0020] Preferably, it is avoided that the steel is blocked by the rotating clamping block during the process of being pushed back.

[0021] The present invention is further configured such that a dislocation structure for dislocating the first telescopic rod is provided below both the installation table and the moving track of the chassis.

[0022] Preferably, it is prevented that the chassis interferes with the first telescopic rod.

[0023] A continuous electric pulse heat treatment softening processing method for steel, the process of which includes the following steps:

[0024] Step 1: The steel is longitudinally fed into the chassis from one end of the installation table of the chassis;

[0025] Step 2: The movable frame pushes the steel in the reverse direction;

[0026] Step 3: The first telescopic rod jacks up the steel;

[0027] Step 4: The power supply is energized to perform heat treatment on the steel;

[0028] Step 5: The second telescopic rod elongates to push the steel out laterally.

[0029] In summary, the present invention mainly has the following beneficial effects:

[0030] 1. The present invention sets a continuous conveying roller path for steel gangplanks inside the chassis. The conductive clamping structures on the rotating frame and the moving frame inside the chassis are used to position and clamp the steel gangplanks entering the chassis. After heat-treating the steel gangplanks, the discharging mechanism is used to push out the steel gangplanks. While the steel gangplanks are being pushed out, the clamping structure releases the limit. The steel gangplanks to be processed enter the chassis and repeat the above steps, conveniently completing the electro-pulse continuous heat treatment of the steel gangplanks.

[0031] 2. The present invention controls the angle of the rotating frame under normal conditions through a torsion spring, so that the rotating frame does not block the normal entry of the steel gangplanks into the chassis. After the steel gangplanks completely enter the chassis, the moving frame is used to push the steel gangplanks in the direction towards the rotating frame in reverse, pushing the rotating frame into a vertical state, and at the same time conveniently realizing the positioning of both ends of the steel gangplanks.

[0032] 3. The present invention uses the vertical pushing components at the bottom of the rotating frame and the moving frame to push the lifting clamp block to move, enabling the steel gangplank to move vertically upward and contact the rotating clamp block, realizing the conductive clamping of both ends of the steel gangplank. The locking structure between the lifting clamp block and the rotating clamp block locks the height of the lifting clamp block at the same time when the steel gangplank contacts the rotating clamp block, so that the steel gangplank is separated from the contact with the conveying roller path during the electro-pulse heat treatment process, further improving the quality of the electro-pulse heat treatment of the steel gangplank.

[0033] 4. The present invention uses the horizontally arranged pushing component to push out the heat-treated steel gangplanks from the chassis. When the steel gangplanks leave the chassis, the rotating clamp block rotates, thereby realizing the unlocking of the lifting clamp block. While discharging the heat-treated steel gangplanks, the convenient reset of the lifting clamp block is realized, enabling the steel gangplanks to be processed subsequently to quickly enter the chassis, and further improving the heat treatment speed of the steel gangplanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is a perspective view of the present invention;

[0035] Figure 2 is of the present invention Figure 1 is an enlarged view of A in

[0036] Figure 3 is another perspective view of the present invention;

[0037] Figure 4 is a perspective view of the state where the steel material of the present invention enters the chassis and presses down the rotating frame;

[0038] Figure 5 is a perspective view of the state where the moving frame of the present invention pushes the steel back to make the rotating frame erected;

[0039] Figure 6 is a perspective view of the state where the first telescopic rod of the present invention rises to lift the steel;

[0040] Figure 7 The perspective view of the cross-section of the chassis cover when the first telescopic rod of the present invention is raised to the just-lifted state;

[0041] Figure 8 For the present invention Figure 7 An enlarged view of B in;

[0042] Figure 9 The perspective view of the internal structure of the rotating frame of the present invention;

[0043] Figure 10 For the present invention Figure 9 An enlarged view of C in;

[0044] Figure 11 The perspective view of the internal structure of the rotating frame from another perspective of the present invention;

[0045] Figure 12 For the present invention Figure 11 An enlarged view of D in;

[0046] Figure 13 The exploded view of the lifting clamp block of the present invention;

[0047] Figure 14 The schematic diagram of the internal structure of the locking column of the present invention.

[0048] Explanation of reference numerals:

[0049] 1. Chassis; 101. Installation table; 102. Dislocation groove; 2. Power supply; 3. Chassis cover; 301. Push-out port; 302. Guide landslide; 4. Rotating frame; 5. Moving frame; 6. First telescopic rod; 7. Lifting clamp block; 701. Lifting chute; 8. Rotating clamp block; 9. Rotating table; 901. Perforation; 902. Limiting block; 903. Clamp block rotating groove; 10. Locking column; 11. Telescopic tongue; 12. Moving track; 13. Second telescopic rod; 14. Push plate; 15. Steel gangplank body; 16. Conveyor roller path. Detailed implementation manners

[0050] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as limiting the present invention.

[0051] Next, the embodiments of the present invention will be described according to the overall structure of the present invention.

[0052] The first embodiment:

[0053] A continuous electric pulse heat treatment softening device for steel, please refer to Figure 1-14, including a chassis 1, inside which a conveying roller path 16 for conveying steel materials is arranged along the length direction. Specifically, in this embodiment, the steel material is specifically the steel plank body 15. In other unpublicized embodiments, the steel material can be strip-shaped steel materials such as channel steel and steel strips. One of the conductive components is rotatably arranged at the end of the chassis 1, and the other conductive component is slidably arranged along the length direction. By using the conductive components located at both ends of the steel material to contact the steel material, electro-pulse heat treatment softening of the steel material is achieved.

[0054] It also includes a power supply 2. In this embodiment, the power supply 2 specifically adopts an intermediate-frequency pulse power supply. The power supply 2 is respectively connected to the two conductive components inside the chassis 1 through wires. The two conductive components inside the chassis 1 are respectively used to contact both ends of the steel material. The conductive components specifically contact both ends of the steel plank body 15. After the power supply 2 is powered on, the electro-pulse heat treatment work of the steel plank body 15 can be carried out.

[0055] It also includes a chassis cover 3. On one side of the chassis cover 3, a pushing component for laterally pushing out the steel material is arranged. Specifically, on the other side of the pushing component of the chassis cover 3, a push outlet 301 for the steel material to leave the chassis 1 is provided.

[0056] In the above embodiment, specifically, please refer to Figure 1-2 , Figure 7-10 , at one end of the chassis 1, an installation platform 101 is arranged. A rotating frame 4 is rotatably connected to the installation platform 101. Torsion springs are arranged between the rotating shaft of the rotating frame 4 and the installation platform 101 in both forward and reverse directions. Specifically, the rotating frame 4 is normally inclined towards the inside of the chassis 1. When the rotating frame 4 is squeezed by the gravity of the steel plank body 15 entering the chassis 1, it will rotate downward, being able to avoid the steel plank body 15 and prevent affecting the normal entry of the steel plank body 15 into the chassis. During this process, the torsion spring at the rotating shaft of the rotating frame 4 accumulates elastic potential energy. After the steel plank body 15 is separated from the rotating frame 4, the torsion spring at the rotating shaft of the rotating frame 4 releases the elastic potential energy to reset the rotating frame 4. On the contrary, when the steel plank body 15 moves in the reverse direction under the push of the moving frame 5, during the process of the rotating frame 4 changing from the inclined state to the vertical state, the torsion spring in the other direction at the rotating shaft of the rotating frame 4 accumulates elastic potential energy. After the steel plank body 15 is pushed out of the chassis, this torsion spring releases the elastic potential energy to make the rotating frame 4 rotate and reset to the inclined state. Those skilled in the art can easily think of the specific layout position of the torsion spring after reading this application, and this application will not elaborate on it here.

[0057] Compared with the prior art, the reverse pushing mechanism of the rotating frame 4 and the moving frame 5 in the present application saves the layout cost of multiple positioning sensors for the steel plank body 15 and the servo moving and precise positioning cost of the moving frame 5. There is no need to measure the specific length of the steel plank body 15. After the steel plank body 15 enters the chassis 1 and leaves the rotating frame 4, the moving frame 5 moves in the reverse direction, and the positioning of both ends of the steel plank body 15 can be conveniently realized, which can effectively reduce the manufacturing cost of the equipment.

[0058] Further, the chassis cover 3 is fixedly connected to the top of the chassis 1. A moving track 12 is arranged along the steel conveying direction on the bottom surface of the inner wall of the chassis cover 3. A moving frame 5 is slidably arranged in the moving track 12. Specifically, in this embodiment, the moving frame 5 is driven to move along the length direction of the moving track 12 by a screw rod in the moving track 12.

[0059] The conveying roller paths 16 are arranged in a V shape in the chassis 1. The moving frame 5 can move along the steel conveying direction between the conveying roller paths 16. Specifically, the conveying rollers in the conveying roller paths 16 are all inclined, which is beneficial for the steel to move towards the center of the conveying roller paths 16 during the conveying process, so that the conductive components at both ends of the steel can more stably contact the center of the steel end. The moving track 12 is located above the middle of the inclined conveying rollers of the conveying roller paths 16 to avoid interference between the moving frame 5 and the conveying rollers during the movement. When the steel is fed into the chassis 1, the rotating frame 4 can rotate downward to avoid it. During the process of the moving frame 5 pushing the steel in the reverse direction, the rotating frame 4 can be lifted by the end of the steel. Further, in order to make the rotating frame 4 be better lifted by the steel, an arc-shaped contact surface is arranged at the end of the rotating frame 4 facing the steel direction, and when the rotating frame 4 is normally inclined, the height of its top end is lower than the height of the top end of the conveying roller paths 16.

[0060] In the above embodiment, specifically, please refer to Figure 1-10 , when the rotating frame 4 rotates to the vertical state, it will be limited by the mounting table 101, thereby avoiding excessive rotation of the rotating frame 4 due to the pushing of the steel. First telescopic rods 6 are fixedly installed at the bottom ends of the rotating frame 4 and the moving frame 5. In this embodiment, the first telescopic rods 6 are specifically electric push rods, and in other unpublicized embodiments, the first telescopic rods 6 can be hydraulic rods, pneumatic push rods, etc.

[0061] Further, lifting sliding grooves 701 are arranged in both the moving frame 5 and the rotating frame 4. Lifting clamping blocks 7 are slidably connected in the lifting sliding grooves 701. Rotating clamping blocks 8 are arranged at the top ends of the moving frame 5 and the rotating frame 4. The first telescopic rods 6 are used to push the lifting clamping blocks 7 towards the rotating clamping blocks 8. After the first telescopic rods 6 push the lifting clamping blocks 7 towards the rotating clamping blocks 8, while the lifting clamping blocks 7 lock the height through the locking structure, the first telescopic rods 6 can be reset to avoid affecting the subsequent falling of the lifting clamping blocks 7.

[0062] Specifically, the first telescopic rod 6 is extended so that the steel can be separated from the surface of the conveying roller path 16. After the steel is separated from the surface of the conveying roller path 16, it can effectively avoid being affected by the conveying roller path 16 during the heat treatment process.

[0063] In the above embodiment, specifically, please refer to Figure 1-12 , the rotating clamp block 8 is connected to a rotating table 9. The rotating table 9 is rotatably connected to the tops of the moving frame 5 and the rotating frame 4. Clamp block rotating grooves 903 for accommodating the rotating clamp block 8 are provided at the tops of the moving frame 5 and the rotating frame 4. The rotating table 9 is provided with a through hole 901 along the sliding direction of the lifting clamp block 7. Specifically, the moving frame 5 and the rotating frame 4 both extend toward the through hole 901 and are provided with protrusions extending into the through hole 901. The diameter of the protrusion is equal to the diameter of the through hole 901. The rotating table 9 rotates around the protrusion. Specifically, after the rotating clamp block 8 is pushed to rotate into the clamp block rotating groove 903 on the side of the steel plank body 15, when the steel plank body 15 is separated from the contact with the rotating clamp block 8, the rotating clamp block 8 can be reset by the elastic force of the torsion spring.

[0064] Furthermore, a limiting block 902 is fixedly connected to the bottom end of the through hole 901. In this embodiment, the limiting block 902 is arc-shaped and two are symmetrically arranged in the through hole 901. The interval angle of both ends of each limiting block 902 in the cross section does not exceed ninety degrees. The lifting clamp block 7 is connected with a locking column 10 whose diameter is smaller than that of the through hole 901 in the direction toward the through hole 901.

[0065] Specifically, when the locking column 10 enters the through hole 901, it is coaxial with the through hole 901. The locking column 10 is radially slidably connected with a telescopic tongue 11 for cooperating with the limiting block 902. A spring is arranged between the end of the telescopic tongue 11 and the inner wall of the locking column 10. During the process of the locking column 10 entering the through hole 901, the telescopic tongue 11 will be blocked by the lower surface of the limiting block 902 and retracted into the locking column 10. After the locking column 10 continues to rise until the telescopic tongue 11 exceeds the height of the limiting block 902, the telescopic tongue 11 will protrude by the elastic force of the end spring, restricting the downward movement of the locking column 10 in the axial direction of the locking column 10. At this time, the rotating clamp block 8 has contacted the steel with the lifting clamp block 7, and the lifting clamp block 7 cannot move upward continuously and also cannot move downward continuously. Thus, the limiting of the lifting clamp block 7 is conveniently achieved.

[0066] After the rotating clamp 8 rotates into the clamp rotation groove 903, the limit block 902 will disengage from the telescopic tongue 11. The limit structure between the rotating platform 9 and the lifting clamp 7 allows the lifting clamp 7 to be locked after it rises into place. In order to enable the rotating clamp 8 to contact the steel more stably, in this embodiment, a spring assembly can be further arranged between the conductive plane of the rotating clamp 8 and the main body of the rotating clamp 8. After the lifting clamp 7 is limited, the conductive plane of the lifting clamp 7 can stably contact the conductive plane of the rotating clamp 8.

[0067] Specifically, after the rotating clamp 8 rotates into the clamp rotating groove 903, the rotating platform 9 will also rotate synchronously. During the rotation of the rotating platform 9, the telescopic tongue 11 will be misaligned with the limit block 902 and lose contact. After the lifting clamp 7 loses its downward limit, it will slide downward along the lifting slide groove 701 under its own gravity to reset.

[0068] In the above embodiments, please refer to Figure 1-12 A plurality of second telescopic rods 13 capable of horizontal extension and retraction are arranged at intervals along the length direction on one side of the chassis cover 3, and an ejection port 301 is arranged on the other side. The ends of the second telescopic rods 13 extend into the interior of the chassis cover 3 and are connected to a push plate 14. Specifically, in the present embodiment, two second telescopic rods 13 form a group, and a total of four groups are arranged along the length direction of the chassis 1, and the ends of each group of second telescopic rods 13 are connected to the same push plate 14.

[0069] Furthermore, a protruding portion is provided at the bottom edge of the push plate 14 toward the direction of the steel springboard body 15, and the height of the protruding portion is consistent with the bottom surface height of the steel springboard body 15 during the heat treatment process. The push plate 14 is used to push the steel out of the chassis 1 from the push-out port 301. During this process, the push plate 14 protruding at the bottom can better contact the edge of the steel springboard body 15, thereby more stably pushing the steel springboard body 15 out. The clamping block rotation groove 903 at the top of the movable frame 5 and the rotating frame 4 is close to the push-out port 301 side of the chassis cover 3. The elongation of the second telescopic rod 13 is utilized to enable the heat-treated steel to be smoothly pushed out of the chassis 1. The chassis cover 3 is provided with a downwardly inclined guide slope 302 at the bottom end of the push-out port 301, which is used to guide the steel springboard body 15 leaving the chassis from the push-out port 301 to a subsequent storage mechanism or a conveying mechanism.

[0070] A continuous electric pulse heat treatment softening method for steel, the process comprising the following steps:

[0071] Step 1: Steel is fed into the chassis 1 longitudinally from one end of the mounting platform 101 of the chassis 1. The steel fed into the chassis 1 can press down the rotating frame 4 by its own weight. During the pressing down of the rotating frame 4, the torsion spring at its rotating shaft accumulates elastic potential energy. After the steel completely enters the chassis 1 and exceeds the end of the rotating frame 4, the rotating frame 4 is rotated by the torsion spring at its own rotating shaft to return to the inclined state;

[0072] Step 2: The moving frame 5 moves in the moving track 12 toward the rotating frame 4, and the moving frame 5 pushes the steel in the reverse direction. When the dead weight of the steel is large, the conveying roller 16 can also convey the steel in the reverse direction, and assist the moving frame 5 to realize the reverse movement of the steel. The end of the steel moving in the reverse direction contacts the rotating frame 4 to rotate the rotating frame 4, and the top of the rotating frame 4 is in a vertical state;

[0073] Step 3: The first telescopic rod 6 lifts the steel material to make it separate from the conveying roller 16. At the same time, the locking structure between the lifting clamp block 7 and the rotating table 9 completes the height locking of the lifting clamp block 7. The lifting clamp block 7 and the rotating clamp block 8 contact the surface of the steel material.

[0074] Step 4: Power source 2 is powered on to perform heat treatment on the steel;

[0075] Step 5: The second telescopic rod 13 is extended to push the steel material out horizontally, and the lifting clamp block 7 is unlocked at the same time to facilitate the subsequent heat treatment of the steel material.

[0076] Second embodiment:

[0077] A continuous electric pulse heat treatment softening equipment for steel, please refer to Figure 1-14 On the basis of the first embodiment, the difference from the first embodiment is that the locking column 10 is threadedly connected to the lifting clamp block 7. When processing the steel springboard body 15 of different thicknesses, the locking columns 10 of different lengths can be easily replaced to achieve stable conductive contact with the steel springboard body 15. After the locking column 10 is replaced, the telescopic tongue 11 on the locking column 10 is located directly below the limit block 902 in the rotating table 9 in the non-rotating state.

[0078] Specifically, after the telescopic tongue 11 is limited by the limiting block 902, the distance between the opposite surfaces of the lifting clamp 7 and the rotating clamp 8 is equal to the thickness of the steel plate. After the height of the lifting clamp 7 is locked, the steel contacts the lifting clamp 7 and the rotating clamp 8 at the same time.

[0079] The third embodiment:

[0080] A continuous electric pulse heat treatment softening equipment for steel, please refer to Figure 1-14, based on the second embodiment, the difference from the second embodiment is that the rotating clamping block 8 at the top of the rotating frame 4 is rotatably connected to the rotating table 9, and a reset torsion spring is arranged inside the rotating shaft. The rotating shaft of the rotating clamping block 8 is orthogonal to the rotating shaft of the rotating table 9. When the rotating frame 4 is in a vertical state, the rotating clamping block 8 is in a horizontal state and is restricted by the rotating frame 4 from rotating upward, preventing the steel from being blocked by the rotating clamping block 8 during the process of being pushed back.

[0081] Specifically, during the reverse movement of the relatively wide steel plank body 15, since the steel plank is at a relatively high position on the conveying roller path 16, the bottom edge of the end of the steel plank body 15 will first contact the top surface of the rotating clamping block 8 at the end of the rotating frame 4. While pushing the rotating frame 4 to stand up, it makes the rotating clamping block 8 retract towards the direction of the rotating frame 4, thereby avoiding the interference of the normal rotation of the rotating frame 4 due to the contact between the rotating clamping block 8 and the steel plank body 15. After the steel plank body 15 is separated from the contact with the top surface of the rotating clamping block 8, the rotating clamping block 8 is reset by the elastic force of the internal torsion spring.

[0082] In the above embodiment, specifically, please refer to Figure 1-8 , misalignment structures for misaligning the first telescopic rod 6 are provided below both the installation table 101 and the moving track 12 of the chassis 1 to prevent interference between the chassis 1 and the first telescopic rod 6. Specifically, a recessed space for accommodating the first telescopic rod 6 is provided at the position of the installation table 101. When the rotating frame 4 is in a vertical state, the first telescopic rod connected to the rotating frame 4 will not contact the inner wall of the chassis 1 at the installation table 101. A misalignment groove 102 equal in length to the moving track 12 is provided directly below the moving track 12 of the chassis 1 for the first telescopic rod 6 connected to the moving frame 5 to move, avoiding interference between the first telescopic rod 6 and the chassis 1 during the movement of the moving frame 5.

[0083] When the present invention softens the steel plank by heat treatment: the steel plank body 15 is fed into the chassis 1 from one end of the installation table 101 of the chassis 1. The self-weight of the steel plank body 15 presses down the rotating frame 4. The conveying roller path 16 conveys the steel plank body 15 to a position beyond the rotating frame 4. After the pressure of the steel plank body 15 is removed, the rotating frame 4 is reset by the elastic force of the torsion spring;

[0084] Then the moving frame 5 moves in the moving track 12 towards the direction of the steel plank body 15 and pushes the steel plank body 15 to slide towards the direction of the rotating frame 4. The end of the steel plank body 15 pushes the rotating frame 4 to rotate in the reverse direction, making the rotating frame 4 stand up;

[0085] Then the first telescopic rod 6 extends to raise the lifting clamping block 7 to lift the steel plank body 15. After the lifting clamping block 7 rises, the locking column 10 enters the perforation 901. When the steel plank body 15 contacts the rotating clamping block 8, the locking column 10 is locked by the limiting block 902, and the power supply 2 is energized to soften the steel plank body 15 by heat treatment;

[0086] Finally, after the heat treatment of the steel gangplank body 15 is completed, the second telescopic rod 13 extends, and the push plate 14 moves towards the steel gangplank body 15 to push the steel gangplank body 15 towards the push outlet 301. During the process of the steel gangplank body 15 being pushed out, the side wall of the steel gangplank body 15 contacts the rotating clamping block 8, causing the rotating clamping block 8 to rotate and be received into the clamping block rotating groove 903, so as to prevent the rotating clamping block 8 from interfering with the steel gangplank body 15 leaving the machine case 1. At the same time, due to the rotation of the rotating table 9, the limiting block 902 is misaligned with the telescopic tongue 11, thereby enabling the limiting of the lifting clamping block 7 to be released. The lifting clamping block 7 falls along the lifting sliding groove 701 under its own gravity to reset. The steel gangplank body 15 slides out of the machine case 1 along the guiding landslide 302 to the subsequent conveyor belt or collection mechanism. By repeating the above steps, the heat treatment work of the steel gangplank body 15 can be carried out automatically and continuously.

[0087] Although the embodiments of the present invention have been shown and described, the specific embodiments are only explanations of the present invention and are not limitations of the invention. The specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can, without departing from the principles and purposes of the present invention, make modifications, substitutions and variations that do not contribute creatively to the embodiments as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A continuous electric pulse heat treatment softening equipment for steel, characterized in that: include: A chassis (1), wherein a conveying roller (16) for conveying steel is arranged in the chassis (1) along the length direction, and wherein one of the conductive components is rotatably arranged at the end of the chassis (1), and another conductive component is slidably arranged along the length direction; A power source (2), the power source (2) being connected to two conductive components in the chassis (1) through wires, respectively, and the two conductive components in the chassis (1) being used to contact two ends of the steel material respectively; A chassis cover (3), wherein one side of the chassis cover (3) is provided with a pushing component for pushing the steel material out laterally.

2. The continuous electric pulse heat treatment softening equipment for steel according to claim 1, characterized in that: A mounting platform (101) is provided at one end of the chassis (1), a rotating frame (4) is rotatably connected to the mounting platform (101), a torsion spring is provided between the rotating shaft of the rotating frame (4) and the mounting platform (101) in both positive and negative directions, the rotating frame (4) is normally inclined toward the inside of the chassis (1), the chassis cover (3) is fixedly connected to the top of the chassis (1), a movable track (12) is provided on the bottom surface of the inner wall of the chassis cover (3) along the conveying direction of the steel, a movable frame (5) is slidably provided in the movable track (12), the conveying rollers (16) are arranged in a V-shape in the chassis (1), and the movable frame (5) can move between the conveying rollers (16) along the conveying direction of the steel.

3. The continuous electric pulse heat treatment softening equipment for steel according to claim 2, characterized in that: When the rotating frame (4) is rotated to a vertical state, it will be limited by the mounting platform (101); the bottom ends of the rotating frame (4) and the movable frame (5) are both fixedly mounted with a first telescopic rod (6); the movable frame (5) and the rotating frame (4) are both provided with a lifting slide groove (701); a lifting clamping block (7) is slidably connected in the lifting slide groove (701); the top ends of the movable frame (5) and the rotating frame (4) are both provided with a rotating clamping block (8); the first telescopic rod (6) is used to push the lifting clamping block (7) toward the rotating clamping block (8).

4. The continuous electric pulse heat treatment softening equipment for steel according to claim 3, characterized in that: The rotating clamp (8) is connected to a rotating platform (9), and the rotating platform (9) is rotatably connected to the top of the moving frame (5) and the rotating frame (4). The top of the moving frame (5) and the rotating frame (4) are both provided with a clamp rotating groove (903) for accommodating the rotating clamp (8). The rotating platform (9) is provided with a through hole (901) along the sliding direction of the lifting clamp (7), and the bottom end of the through hole (901) is fixedly connected to a limit block (902). The lifting clamp (7) is connected to a locking column (10) with a diameter smaller than the through hole (901) in the direction of the through hole (901), and the locking column (10) is connected to a telescopic tongue (11) for cooperating with the limit block (902) in a radially sliding manner. After the rotating clamp (8) rotates into the clamp rotating groove (903), the limit block (902) will be out of contact with the telescopic tongue (11).

5. The continuous electric pulse heat treatment softening equipment for steel according to claim 4, characterized in that: A plurality of second telescopic rods (13) capable of horizontal extension and retraction are arranged at intervals along the length direction on one side of the chassis cover (3), and an ejection port (301) is arranged on the other side. The ends of the second telescopic rods (13) extend into the interior of the chassis cover (3) and are connected to a push plate (14). The push plate (14) is used to push the steel out of the chassis (1) from the ejection port (301). The clamping block rotation groove (903) at the top of the movable frame (5) and the rotating frame (4) is close to the ejection port (301) of the chassis cover (3).

6. The continuous electric pulse heat treatment softening equipment for steel according to claim 4, characterized in that: The locking column (10) is threadedly connected to the lifting clamp block (7); after the telescopic tongue (11) is limited by the limiting block (902), the distance between the opposite surfaces of the lifting clamp block (7) and the rotating clamp block (8) is equal to the thickness of the steel plate.

7. The continuous electric pulse heat treatment softening equipment for steel according to claim 4, characterized in that: The rotating clamp (8) at the top of the rotating frame (4) is rotatably connected to the rotating platform (9), and a return torsion spring is arranged in the rotating shaft. The rotating shaft of the rotating clamp (8) is orthogonal to the rotating shaft of the rotating platform (9). When the rotating frame (4) is in a vertical state, the rotating clamp (8) is in a horizontal state and is restricted by the rotating frame (4) and cannot rotate upward.

8. The continuous electric pulse heat treatment softening equipment for steel according to claim 3, characterized in that: The chassis (1) is provided with a dislocation structure for dislocating the first telescopic rod (6) below the mounting platform (101) and the movable track (12).

9. A method for softening steel by continuous electric pulse heat treatment, characterized in that The continuous electric pulse heat treatment softening equipment for steel according to any one of claims 1 to 8 comprises the following steps: Step 1: Steel is fed into the chassis (1) longitudinally from one end of the mounting platform (101) of the chassis (1); Step 2: The moving frame (5) pushes the steel in the opposite direction; Step 3: The first telescopic rod (6) lifts the steel material; Step 4: Power source (2) is turned on to perform heat treatment on the steel; Step 5: The second telescopic rod (13) is extended to push the steel material out horizontally.

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