Quenching device for bearing ring production

Abstract

The invention relates to the technical field of quenching devices, and discloses a quenching device for bearing ring production, which comprises a case, a clamping device is arranged on the inner wall of the case, a stirring device is arranged on the inner wall of the clamping device, and a rotating device is arranged on the inner wall of the clamping device; the clamping device comprises an L-shaped plate, a sliding rail, a flame gun, an air cylinder, a triangular supporting frame, a fixing plate, a first clamp, an L-shaped guide plate, a first supporting plate, a second clamp, a hinged plate and a filtering barrel, the fixing plate is fixedly connected to the inner wall of the machine box, the filtering barrel is fixedly connected to the inner wall of the fixing plate, and the L-shaped plate is fixedly connected to the top of the fixing plate. The sliding rail is fixedly connected to the front portion of the L-shaped plate, the flame gun is fixedly connected to the moving end of the sliding rail, and the flame gun rotates and moves on the sliding rail, so that heat generated when the bearing ring is heated is more uniform.

Description

Technical Field

[0001] The invention relates to the technical field of quenching devices, in particular to a quenching device used for bearing ring production. Background Art

[0002] Quenching is a heat treatment process in the production of bearing rings. It is a process in which the bearing rings are heated to above the critical temperature, kept at this temperature for a certain period of time, and then cooled at a rate greater than the critical cooling rate, so that the rings can obtain martensite or bainite structure. For example, for commonly used high-carbon chromium bearing steel, the heating temperature is usually around 830-860℃, and this temperature range can ensure that the austenite in the steel is fully homogenized.

[0003] The patent with application number CN202010639445.X relates to the technical field of bearing ring production, and discloses a quenching and cleaning device for bearing ring production, including a cleaning box body, the four corners of the bottom end of the cleaning box body are connected to support columns, and the bottom center of the cleaning box body is connected to a wastewater collection box body. The patent places the bearing ring in the cleaning box. After ultrasonic cleaning, the bearing ring will have industrial detergent in the ultrasonic cleaning box remaining. After the cleaning box is taken out and placed on the conveyor belt, it enters the inside of the cleaning box body through the water tank and the nozzle, and the bearing ring inside the cleaning box is rinsed again, and the industrial detergent and other cleaning agents remaining on the bearing ring are cleaned. The fan will blow the bearing ring dry, and the clean water sprayed by the nozzle and the liquid brought out by the ultrasonic cleaning box will flow into the wastewater collection box body through the permeable plate. The working status inside the cleaning box body can be observed through the glass window, so as to facilitate timely adjustment.

[0004] During the use of the above device, when the bearing ring needs to be quenched and heated, if the heat transfer is uneven, it will cause uneven thermal stress and structural stress to be concentrated in a local area, which will increase the possibility of bearing cracks. Therefore, a quenching device for bearing ring production is proposed to solve the above problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a quenching device for bearing ring production in view of the deficiencies in the above-mentioned prior art.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a quenching device for bearing ring production, comprising a chassis, the inner wall of the chassis is provided with a clamping device, the inner wall of the clamping device is provided with a stirring device, and the inner wall of the clamping device is provided with a rotating device; the clamping device comprises an L-shaped plate, a slide rail, a flamethrower, a cylinder, a triangular support frame, a fixed plate, a clamp 1, an L-shaped guide plate, a support plate 1, a clamp 2, a hinged plate, and a filter barrel, the fixed plate is fixedly connected to the inner wall of the chassis, the filter barrel is fixedly connected to the inner wall of the fixed plate, the L-shaped plate is fixedly connected to the top of the fixed plate, the slide rail is fixedly connected to the front of the L-shaped plate, the flamethrower is fixedly connected to the moving end of the slide rail, and the flamethrower rotates and moves on the slide rail, so that the heat of the bearing ring when being heated is more uniform, and the inner wall of the clamp 2 is also provided with a heating roller, so that the heat can be evenly transferred to the bearing ring, thereby improving the quenching quality. The triangular support frame is fixedly connected to the top of the fixed plate, the cylinder is fixedly installed on the inner wall of the triangular support frame, the clamp 1 is fixedly connected to the telescopic end of the cylinder, the L-shaped guide plate is fixedly connected to the bottom of the clamp 1, the support plate 1 is fixedly connected to the top of the filter barrel, the clamp 2 is fixedly connected to the right side of the support plate 1, the hinged plate is hinged to the inner wall of the clamp 2 through a torsion spring, the triangular support frame contacts the circumferential surface of the filter barrel, the bottom of the filter barrel is fixedly connected to the inner wall of the chassis, and the inner wall of the clamp 2 is also provided with a heating roller, so that heat can be evenly transferred to the bearing ring, improving the quenching quality, so that the hinged plate is lifted up by the inclined surface on the L-shaped guide plate, so that the bearing ring is prevented from deformation during heating, and the deformation of the bearing ring during the quenching process can be effectively limited by the specific clamping method of the clamp 2 and the clamp 1, and the deformation can be controlled within a very small range, reducing the difficulty and cost of subsequent processing.

[0007] Preferably, the stirring device includes a motor, a reciprocating screw, a connecting plate, a stirring plate 1, and a rotating rod 1. The motor is fixedly connected to the inner wall of the chassis, the reciprocating screw is fixedly connected to the output end of the motor, the connecting plate is fixedly connected to the circumferential surface of the reciprocating screw, and the stirring plate 1 is fixedly connected to the circumferential surface of the connecting plate. The stirring plate 1 rotates so that the quenching liquid on the inner wall of the filter barrel is stirred by it. By stirring the quenching liquid, the quenching liquid can flow quickly around the bearing ring, and the speed of heat transfer from the ring surface to the quenching liquid can be accelerated, which helps to ensure that all parts of the ring can be cooled evenly during the quenching process to avoid local overheating or overcooling. At the same time, continuous stirring can eliminate the temperature gradient in the quenching liquid, making the temperature of the entire quenching liquid system more uniform, so that it can ensure that the temperature of the quenching liquid contacted by the bearing ring at different positions is basically consistent, further improving the uniformity of cooling. The rotating rod one is rotatably connected to the inner wall of the stirring plate one, and the stirring device also includes a roller, a stirring plate two, a rotating rod two, and a material stripping plate, the roller is fixedly connected to the circumferential surface of the rotating rod one, the stirring plate two is fixedly connected to the circumferential surface of the rotating rod one, the rotating rod two is fixedly connected to the top of the stirring plate one, and the material stripping plate is rotatably connected to the circumferential surface of the rotating rod two by a torsion spring, the material stripping plate is in contact with the stirring plate two, the bottom of the stirring plate two is in contact with the top of the stirring plate one, the circumferential surface of the roller is in contact with the inner wall of the filter barrel, and the circumferential surface of the roller is in contact with the inner wall of the stirring plate one, and the stirring of the stirring plate two and the swing of the material stripping plate prevent the quenching liquid from being locally overheated on the surface of the ring, thereby reducing the risk of quenching cracks. When the temperature of the surface of the ring is too high, thermal stress concentration is likely to occur, resulting in the generation of cracks. By stirring the quenching liquid, heat can be taken away in time to avoid local overheating.

[0008] Preferably, the rotating device includes a second support plate, a first contact plate, a semicircular block, a sieve plate, a movable plate, a second contact plate, a blocking plate, a spring telescopic rod, and a medicine box. The second support plate is fixedly connected to the circumferential surface of the connecting plate, and the first contact plate is fixedly connected to the top of the second support plate. The sieve plate is slidably connected to the inner wall of the filter barrel, so that the sieve plate moves upward so that the fallen bearing ring shakes when the quenching liquid is quenched, thereby reducing bubbles. Bubbles attached to the surface of the bearing ring will hinder the full contact between the quenching liquid and the ring, resulting in inconsistent local cooling speed. By shaking to reduce bubbles, the quenching liquid can evenly wrap the ring, ensuring that all parts can be quenched at the expected cooling speed, so that the ring obtains uniform metallographic structure and hardness. The semicircular block is fixedly connected to the bottom of the sieve plate, and the movable plate The contact plate 2 is fixedly connected to the top of the sieve plate, the contact plate 2 is in contact with the right side of the movable plate, the blocking plate is fixedly connected to the right side of the contact plate 2, the spring telescopic rod is fixedly connected to the right side of the blocking plate, the medicine box is fixedly installed on the inner wall of the filter barrel, the inner wall of the medicine box is in contact with the bottom of the blocking plate, the spring telescopic rod is fixedly connected to the inner wall of the medicine box, the inner wall of the sieve plate is movably connected to the circumferential surface of the reciprocating screw, and the contact plate 2 moves to squeeze the blocking plate, so that the antioxidant inside the medicine box indirectly falls into the quenching liquid. If the antioxidant indirectly falls into the quenching liquid, it may not have a significant impact on its cooling curve to a certain extent. The quenching liquid can maintain a relatively stable cooling rate, so that the quenching workpieces such as bearing rings undergo organizational transformation at a suitable cooling rate. For example, for water-based quenching liquid, the mixing of a small amount of antioxidant will not change its basic cooling mode in the steam film stage, boiling stage and convection stage in the high temperature zone, thereby ensuring the quenching quality of the workpiece.

[0009] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The quenching device for bearing ring production operates through the cooperation between an L-shaped plate, a slide rail, a flamethrower, a cylinder, a triangular support frame, a fixing plate, a clamp 1, an L-shaped guide plate, a support plate 1, a clamp 2, a hinged plate, and a filter barrel. The flamethrower moves on the slide rail. The flamethrower rotates and moves on the slide rail, so that the heat of the bearing ring when heated is more uniform. A heating roller is also provided on the inner wall of the clamp 2, so that the heat can be evenly transferred to the bearing ring, improving the quenching quality, so that the hinged plate is lifted up by the inclined surface on the L-shaped guide plate, so that the bearing ring is prevented from deformation when heated. Through the specific clamping method of the clamp 2 and the clamp 1, the deformation of the bearing ring during the quenching process can be effectively limited, and the deformation can be controlled within a very small range, reducing the difficulty and cost of subsequent processing.

[0010] 2. The quenching device for bearing ring production operates through the cooperation among the motor, reciprocating screw, connecting plate, stirring plate 1, roller, rotating rod 1, stirring plate 2, rotating rod 2, and material-digging plate. The stirring plate 1 rotates so that the quenching liquid on the inner wall of the filter barrel is stirred. By stirring the quenching liquid, the quenching liquid can flow quickly around the bearing ring, speeding up the speed of heat transfer from the ring surface to the quenching liquid, which helps to ensure that all parts of the ring can be evenly cooled during the quenching process to avoid local overheating or overcooling. At the same time, continuous stirring can eliminate the temperature gradient in the quenching liquid, making the temperature of the entire quenching liquid system more uniform, so as to ensure that the quenching liquid temperature contacted by the bearing ring at different positions is basically the same, further improving the uniformity of cooling, and preventing the quenching liquid from overheating locally on the surface of the ring through the stirring of the stirring plate and the swing of the material stripping plate, thereby reducing the risk of quenching cracks. When the temperature of the surface of the ring is too high, thermal stress concentration is likely to occur, leading to the generation of cracks. By stirring the quenching liquid, the heat can be taken away in time to avoid local overheating.

[0011] 3. The quenching device for bearing ring production, through the coordinated operation of the support plate 2, the contact plate 1, the semicircular block, the screen plate, the movable plate, the contact plate 2, the blocking plate, the spring telescopic rod, and the medicine box, moves the screen plate upward so that the fallen bearing ring is shaken during quenching in the quenching liquid, thereby reducing bubbles. Bubbles attached to the surface of the bearing ring will hinder the full contact between the quenching liquid and the ring, resulting in inconsistent local cooling rates. By reducing bubbles through shaking, the quenching liquid can evenly wrap the ring, ensuring that all parts can be quenched at the expected cooling rate, so that the ring obtains uniform metallographic structure and hardness. The contact plate 2 moves to squeeze the blocking plate, so that the antioxidant inside the medicine box indirectly falls into the quenching liquid. If the antioxidant indirectly falls into the quenching liquid, it may not have a significant impact on its cooling curve to a certain extent. The quenching liquid can maintain a relatively stable cooling rate, so that the quenching workpiece such as the bearing ring undergoes a structural transformation at a suitable cooling rate. For example, for water-based quenching liquid, the mixing of a small amount of antioxidant will not change its basic cooling mode in the steam film stage, boiling stage and convection stage in the high-temperature zone, thereby ensuring the quenching quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the chassis structure of the present invention; Figure 3 It is a schematic diagram of the clamping device of the present invention; Figure 4 It is a schematic diagram of the stirring device of the present invention; Figure 5 For the present invention Figure 4 A magnified view of the structure at center; Figure 6 It is a schematic diagram of the rotating device of the present invention; Figure 7 For the present invention Figure 6 A magnified view of the structure at B in the middle; Figure 8 For the present invention Figure 6 Enlarged view of the structure at point C in the middle.

[0013] In the figure: 1, chassis; 2, clamping device; 201, L-shaped plate; 202, slide rail; 203, flamethrower; 204, cylinder; 205, triangular support frame; 206, fixing plate; 207, clamp 1; 208, L-shaped guide plate; 209, support plate 1; 210, clamp 2; 211, hinged plate; 212, filter barrel; 3, stirring device; 301, motor; 302, reciprocating screw rod; 30 3. Connecting plate; 304. Stirring plate 1; 305. Roller; 306. Rotating rod 1; 307. Stirring plate 2; 308. Rotating rod 2; 309. Material shifting plate; 4. Rotating device; 401. Support plate 2; 402. Contact plate 1; 403. Semicircular block; 404. Screen plate; 405. Moving plate; 406. Contact plate 2; 407. Blocking plate; 408. Spring telescopic rod; 409. Medicine box. DETAILED DESCRIPTION

[0014] 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.

[0015] See also Figure 1-Figure 7An embodiment of the present invention is: a quenching device for bearing ring production, comprising a chassis 1, the inner wall of the chassis 1 is provided with a clamping device 2, the inner wall of the clamping device 2 is provided with a stirring device 3, and the inner wall of the clamping device 2 is provided with a rotating device 4; the clamping device 2 includes an L-shaped plate 201, a slide rail 202, a flamethrower 203, a cylinder 204, a triangular support frame 205, a fixing plate 206, a clamp 1 207, an L-shaped guide plate 208, a support plate 1 209, a clamp 210, a hinged plate 211, and a filter barrel 212, the fixing plate 206 is fixedly connected to the inner wall of the chassis 1, and the filter barrel 212 is fixedly connected to the fixing plate 20 6, the L-shaped plate 201 is fixedly connected to the top of the fixed plate 206, the slide rail 202 is fixedly connected to the front of the L-shaped plate 201, and the flamethrower 203 is fixedly connected to the moving end of the slide rail 202. When the device is started, the bearing ring to be processed is placed on the clamp 210 by a manipulator or manually, and the flamethrower 203 heats the bearing ring. The flamethrower 203 moves on the slide rail 202, and the flamethrower 203 rotates and moves on the slide rail 202, so that the heat of the bearing ring when heated is more uniform. The inner wall of the clamp 210 is also provided with a heating roller, so that the heat can be evenly transferred to the bearing ring. , improve the quenching quality, the triangular support frame 205 is fixedly connected to the top of the fixed plate 206, the cylinder 204 is fixedly installed on the inner wall of the triangular support frame 205, the clamp 1 207 is fixedly connected to the telescopic end of the cylinder 204, the L-shaped guide plate 208 is fixedly connected to the bottom of the clamp 1 207, the support plate 1 209 is fixedly connected to the top of the filter barrel 212, the clamp 210 is fixedly connected to the right side of the support plate 1 209, the hinged plate 211 is hinged to the inner wall of the clamp 210 through a torsion spring, the triangular support frame 205 is in contact with the circumferential surface of the filter barrel 212, the bottom of the filter barrel 212 is fixedly connected to the inner wall of the chassis 1, and the cylinder The telescopic end of 204 drives the movement of clamp 1 207, so that clamp 1 207 overlaps with clamp 210 to clamp the bearing ring. The movement of clamp 1 207 drives the L-shaped guide plate 208 to move. When the L-shaped guide plate 208 moves, it will contact the hinge plate 211 on the inner wall of clamp 210, so that the hinge plate 211 is lifted up by the inclined surface on the L-shaped guide plate 208, so that the bearing ring is prevented from deformation during heating. Through the specific clamping method of clamp 210 and clamp 1 207, the deformation of the bearing ring during the quenching process can be effectively limited, and the deformation can be controlled within a very small range, reducing the difficulty and cost of subsequent processing.

[0016] Working principle: When the device is started, the bearing ring to be processed is placed on the second clamp 210 by a robot or manually, and the flamethrower 203 heats the bearing ring. The flamethrower 203 moves on the slide rail 202. The flamethrower 203 rotates and moves on the slide rail 202, so that the heat of the bearing ring is more uniform when it is heated. The inner wall of the second clamp 210 is also provided with a heating roller, so that the heat can be evenly transferred to the bearing ring, improving the quenching quality. The telescopic end of the cylinder 204 drives the first clamp 207 to move, so that the first clamp 20 7 overlaps with the second clamp 210 to clamp the bearing ring, and the movement of the first clamp 207 drives the L-shaped guide plate 208 to move. When the L-shaped guide plate 208 moves, it will contact the hinge plate 211 on the inner wall of the second clamp 210, so that the hinge plate 211 is lifted up by the inclined surface on the L-shaped guide plate 208, so that the bearing ring is prevented from deformation when heated. Through the specific clamping method of the second clamp 210 and the first clamp 207, the deformation of the bearing ring during the quenching process can be effectively limited, and the deformation can be controlled within a very small range, reducing the difficulty and cost of subsequent processing.

[0017] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, the stirring device 3 includes a motor 301, a reciprocating screw rod 302, a connecting plate 303, a stirring plate 304, and a rotating rod 306. The motor 301 is fixedly connected to the inner wall of the chassis 1, the reciprocating screw rod 302 is fixedly connected to the output end of the motor 301, the connecting plate 303 is fixedly connected to the circumferential surface of the reciprocating screw rod 302, and the stirring plate 304 is fixedly connected to the circumferential surface of the connecting plate 303. When the device is started, the reciprocating screw rod 302 is driven to rotate by the motor 301, the reciprocating screw rod 302 rotates to drive the connecting plate 303 to rotate, and the connecting plate 303 rotates to drive the stirring plate 304 to rotate, and the stirring plate 304 rotates so that The quenching liquid on the inner wall of the filter barrel 212 is stirred. By stirring the quenching liquid, the quenching liquid can flow quickly around the bearing ring, speeding up the speed of heat transfer from the ring surface to the quenching liquid, which helps to ensure that all parts of the ring can be evenly cooled during the quenching process to avoid local overheating or overcooling. At the same time, continuous stirring can eliminate the temperature gradient in the quenching liquid, making the temperature of the entire quenching liquid system more uniform, so that the temperature of the quenching liquid contacted by the bearing ring at different positions can be basically consistent, further improving the uniformity of cooling. The rotating rod 306 is rotatably connected to the inner wall of the stirring plate 304. The stirring device 3 also includes a roller 305, a stirring plate 307, and a rotating rod 303. 08. The material-shifting plate 309, the roller 305 is fixedly connected to the circumferential surface of the rotating rod 1 306, the stirring plate 2 307 is fixedly connected to the circumferential surface of the rotating rod 1 306, the rotating rod 2 308 is fixedly connected to the top of the stirring plate 1 304, the material-shifting plate 309 is rotatably connected to the circumferential surface of the rotating rod 2 308 through a torsion spring, the material-shifting plate 309 contacts the stirring plate 2 307, the bottom of the stirring plate 2 307 contacts the top of the stirring plate 1 304, the circumferential surface of the roller 305 contacts the inner wall of the filter barrel 212, the circumferential surface of the roller 305 contacts the inner wall of the stirring plate 1 304, the rotating rod 1 306 is driven to rotate by the rotation of the stirring plate 1 304, and the rotating rod 1 306 rotates to drive the roller The wheel 305 rotates, and the friction force makes the roller 305 contact with the inner wall of the filter barrel 212 when it rotates, and the roller 305 rotates, and the rotation of the roller 305 drives the rotating rod 1 306 to rotate, and the rotation of the rotating rod 1 306 drives the stirring plate 2 307 to rotate. When the stirring plate 2 307 rotates, it will contact the material-pickup plate 309, so that the material-pickup plate 309 contacts and swings. After the material-pickup plate 309 contacts and swings, it is reset by the torsion spring. The stirring of the stirring plate 2 307 and the swinging of the material-pickup plate 309 prevent the quenching liquid from being locally overheated on the surface of the ring, thereby reducing the risk of quenching cracks. When the temperature of the surface of the ring is too high, thermal stress concentration is likely to occur, resulting in the generation of cracks. The heat can be taken away in time by stirring the quenching liquid to avoid local overheating.

[0018] The rotating device 4 includes a supporting plate 2 401, a contact plate 1 402, a semicircular block 403, a sieve plate 404, a movable plate 405, a contact plate 2 406, a blocking plate 407, a spring telescopic rod 408, and a medicine box 409. The supporting plate 2 401 is fixedly connected to the circumferential surface of the connecting plate 303, the contact plate 1 402 is fixedly connected to the top of the supporting plate 2 401, and the sieve plate 404 is slidably connected to the inner wall of the filter barrel 212. The connecting plate 303 rotates to drive the supporting plate 2 401 to rotate, the supporting plate 2 401 rotates to drive the contact plate 1 402 to rotate, and the contact plate 1 402 rotates. When the semicircular block 403 is in contact with the semicircular block 403, the semicircular block 403 moves upward after contact. The semicircular block 403 moves upward to knock the screen plate 404, so that the screen plate 404 moves upward, so that the fallen bearing ring is shaken when the quenching liquid is quenched, reducing bubbles. The bubbles attached to the surface of the bearing ring will hinder the full contact between the quenching liquid and the ring, resulting in inconsistent local cooling speed. By shaking to reduce bubbles, the quenching liquid can evenly wrap the ring, ensuring that all parts can be quenched at the expected cooling speed, so that the ring obtains uniform metallographic structure and hardness. The semicircular block 403 is fixedly connected to The bottom of the sieve plate 404, the movable plate 405 is fixedly connected to the top of the sieve plate 404, the contact plate 406 and the right side of the movable plate 405 are in contact with each other, the blocking plate 407 is fixedly connected to the right side of the contact plate 406, the spring telescopic rod 408 is fixedly connected to the right side of the blocking plate 407, the medicine box 409 is fixedly installed on the inner wall of the filter barrel 212, the inner wall of the medicine box 409 and the bottom of the blocking plate 407 are in contact with each other, the spring telescopic rod 408 is fixedly connected to the inner wall of the medicine box 409, the inner wall of the sieve plate 404 is movably connected to the circumferential surface of the reciprocating screw rod 302, and at the same time, The multi-thread rod 302 rotates through the cross-type spiral grooves on the surface to drive the sieve plate 404 that is limited by the filter barrel 212 and cannot rotate to move up and down. When the sieve plate 404 moves up, it drives the moving plate 405 to move up the contact plate 2 406 to move and squeeze the blocking plate 407, so that the antioxidant inside the medicine box 409 indirectly falls into the quenching liquid. If the antioxidant indirectly falls into the quenching liquid, it may not have a significant impact on its cooling curve to a certain extent. The quenching liquid can maintain a relatively stable cooling rate, so that the quenching workpiece such as the bearing ring undergoes a structural transformation at a suitable cooling rate. For example, for a water-based quenching liquid, the mixing of a small amount of antioxidant will not change its basic cooling mode in the steam film stage, boiling stage and convection stage in the high temperature zone, thereby ensuring the quenching quality of the workpiece.

[0019] Working principle: when the device is started, the motor 301 drives the reciprocating screw 302 to rotate, the reciprocating screw 302 rotates to drive the connecting plate 303 to rotate, the connecting plate 303 rotates to drive the stirring plate 304 to rotate, and the stirring plate 304 rotates so that the quenching liquid on the inner wall of the filter barrel 212 is stirred by it, and the quenching liquid can be stirred to make the quenching liquid flow quickly around the bearing ring, speeding up the speed of heat transfer from the ring surface to the quenching liquid, which helps to ensure that all parts of the ring can be evenly cooled during the quenching process to avoid local overheating or overcooling. At the same time, continuous stirring can eliminate the temperature gradient in the quenching liquid, making the temperature of the entire quenching liquid system more uniform, so that it can ensure that the temperature of the quenching liquid contacted by the bearing ring at different positions is basically the same, further improving the uniformity of cooling. The rotation of the stirring plate 1 304 drives the rotating rod 1 306 to rotate, and the rotation of the rotating rod 1 306 drives the roller 305 to rotate. The friction force makes the roller 305 contact the inner wall of the filter barrel 212 when it rotates, and the roller 305 rotates. The rotation of the roller 305 drives the rotating rod 1 306 to rotate, and the rotation of the rotating rod 1 306 drives the stirring plate 2 307 to rotate. When the stirring plate 2 307 rotates, it will contact the material-pickup plate 309, so that the material-pickup plate 309 contacts and swings. After the material-pickup plate 309 contacts and swings, it is reset by the torsion spring. The stirring of the stirring plate 2 307 and the swinging of the material-pickup plate 309 prevent the quenching liquid from being locally overheated on the surface of the ring, thereby reducing the risk of quenching cracks. When the temperature of the surface of the ring is too high, thermal stress concentration is likely to occur, resulting in the generation of cracks. The heat can be taken away in time by stirring the quenching liquid to avoid local overheating.

[0020] The connection plate 303 rotates to drive the support plate 2 401 to rotate, and the support plate 2 401 rotates to drive the contact plate 1 402 to rotate. When the contact plate 1 402 rotates, it will contact the semicircular block 403, so that the semicircular block 403 moves upward after contact, and the semicircular block 403 moves upward to knock the screen plate 404, so that the screen plate 404 moves upward, so that the fallen bearing ring is shaken during quenching by the quenching liquid, reducing bubbles. Bubbles attached to the surface of the bearing ring will hinder the full contact between the quenching liquid and the ring, resulting in inconsistent local cooling speed. By shaking to reduce bubbles, the quenching liquid can evenly wrap the ring, ensuring that all parts can be quenched at the expected cooling speed, so that the ring obtains uniform metallographic structure and hardness. At the same time, the reciprocating screw 302 rotates through The cross-spiral grooves on the surface drive the sieve plate 404, which is limited and cannot rotate by the filter barrel 212, to move reciprocatingly up and down. When the sieve plate 404 moves up, it drives the movable plate 405 to move up, and the contact plate 2 406 moves to squeeze the blocking plate 407, so that the antioxidant inside the medicine box 409 indirectly falls into the quenching liquid. If the antioxidant indirectly falls into the quenching liquid, it may not have a significant impact on its cooling curve to a certain extent. The quenching liquid can maintain a relatively stable cooling rate, so that the quenching workpieces such as bearing rings can undergo structural transformation at a suitable cooling rate. For example, for water-based quenching liquid, the mixing of a small amount of antioxidant will not change its basic cooling mode in the steam film stage, boiling stage and convection stage in the high-temperature zone, thereby ensuring the quenching quality of the workpiece.

[0021] The present invention provides a quenching device for bearing ring production. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be considered as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A quenching device for bearing ring production, comprising a housing (1), characterized in that: The inner wall of the chassis (1) is provided with a clamping device (2), the inner wall of the clamping device (2) is provided with a stirring device (3), and the inner wall of the clamping device (2) is provided with a rotating device (4); The clamping device (2) comprises an L-shaped plate (201), a slide rail (202), a flamethrower (203), a cylinder (204), a triangular support frame (205), a fixing plate (206), a first clamp (207), an L-shaped guide plate (208), a first support plate (209), a second clamp (210), a hinge plate (211), and a filter barrel (212); the fixing plate (206) is fixedly connected to the inner wall of the chassis (1); the filter barrel (212) is fixedly connected to the inner wall of the fixing plate (206); the L-shaped plate (201) is fixedly connected to the top of the fixing plate (206); and the slide rail (202) is fixedly connected to the front of the L-shaped plate (201). The flamethrower (203) is fixedly connected to the moving end of the slide rail (202), the triangular support frame (205) is fixedly connected to the top of the fixed plate (206), the cylinder (204) is fixedly installed on the inner wall of the triangular support frame (205), the clamp 1 (207) is fixedly connected to the telescopic end of the cylinder (204), the L-shaped guide plate (208) is fixedly connected to the bottom of the clamp 1 (207), the support plate 1 (209) is fixedly connected to the top of the filter barrel (212), the clamp 2 (210) is fixedly connected to the right side of the support plate 1 (209), and the hinge plate (211) is hinged to the inner wall of the clamp 2 (210) through a torsion spring.

2. A quenching device for bearing ring production according to claim 1, characterized in that: The triangular support frame (205) contacts the circumferential surface of the filter barrel (212), and the bottom of the filter barrel (212) is fixedly connected to the inner wall of the chassis (1).

3. A quenching device for bearing ring production according to claim 2, characterized in that: The stirring device (3) comprises a motor (301), a reciprocating screw (302), a connecting plate (303), a stirring plate (304), and a rotating rod (306); the motor (301) is fixedly connected to the inner wall of the chassis (1); the reciprocating screw (302) is fixedly connected to the output end of the motor (301); the connecting plate (303) is fixedly connected to the circumferential surface of the reciprocating screw (302); the stirring plate (304) is fixedly connected to the circumferential surface of the connecting plate (303); and the rotating rod (306) is rotatably connected to the inner wall of the stirring plate (304).

4. A quenching device for bearing ring production according to claim 3, characterized in that: The stirring device (3) further comprises a roller (305), a stirring plate (307), a rotating rod (308), and a material-shifting plate (309); the roller (305) is fixedly connected to the circumferential surface of the rotating rod (306); the stirring plate (307) is fixedly connected to the circumferential surface of the rotating rod (306); the rotating rod (308) is fixedly connected to the top of the stirring plate (304); and the material-shifting plate (309) is rotatably connected to the circumferential surface of the rotating rod (308) via a torsion spring.

5. A quenching device for bearing ring production according to claim 4, characterized in that: The material shifting plate (309) contacts the second stirring plate (307), and the bottom of the second stirring plate (307) contacts the top of the first stirring plate (304).

6. A quenching device for bearing ring production according to claim 5, characterized in that: The circumferential surface of the roller (305) contacts the inner wall of the filter barrel (212), and the circumferential surface of the roller (305) contacts the inner wall of the stirring plate 1 (304).

7. A quenching device for bearing ring production according to claim 6, characterized in that: The rotating device (4) comprises a second support plate (401), a first contact plate (402), a semicircular block (403), a sieve plate (404), a movable plate (405), a second contact plate (406), a blocking plate (407), a spring telescopic rod (408), and a medicine box (409). The second support plate (401) is fixedly connected to the circumferential surface of the connecting plate (303), the first contact plate (402) is fixedly connected to the top of the second support plate (401), and the sieve plate (404) is connected to the filter barrel (212). ), the semicircular block (403) is fixedly connected to the bottom of the sieve plate (404), the movable plate (405) is fixedly connected to the top of the sieve plate (404), the contact plate 2 (406) is in contact with the right side of the movable plate (405), the blocking plate (407) is fixedly connected to the right side of the contact plate 2 (406), the spring telescopic rod (408) is fixedly connected to the right side of the blocking plate (407), and the medicine box (409) is fixedly installed on the inner wall of the filter barrel (212).

8. A quenching device for bearing ring production according to claim 7, characterized in that: The inner wall of the medicine box (409) is in contact with the bottom of the blocking plate (407), the spring telescopic rod (408) is fixedly connected to the inner wall of the medicine box (409), and the inner wall of the screen plate (404) is movably connected to the circumferential surface of the reciprocating screw rod (302).

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