Bearing processing heat-treatment apparatus with uniform heating

Abstract

A bearing processing heat-treatment apparatus with uniform heating, comprising a heat treatment workbench and a heating controller (12) mounted on the heat treatment workbench (11). The bearing processing heat-treatment apparatus further comprises an induction wire (13) connected to the heating controller (12), an induction ring (14) connected to the induction wire (13), two support seats (2) which are symmetrical about the induction ring (14) and fixedly mounted on the heat treatment workbench (11), driving rotating rods (21) rotatably mounted on the support seats (2), and driven rotating rods (22) movably mounted on the support seats (2), wherein a moving assembly (23) for adjusting the distance between a driven rotating rod (22) and a driving rotating rod (21) is provided on each support seat (2); each driven rotating rod (22) is fixedly connected to a rotating seat (24); and each rotating seat (24) is provided with a clamping assembly (25) for clamping and limiting a bearing workpiece. A heat treatment device can centrally limit a bearing to undergo heat-treatment processing, and can also control the bearing to rotate during the heat-treatment processing, such that heat is uniformly transmitted and distributed on the bearing, thereby avoiding local overheating of the bearing.

Description

A bearing processing heat treatment equipment with uniform heating TECHNICAL FIELD

[0001] The present application relates to the field of bearing heat treatment, in particular to a bearing processing heat treatment equipment with uniform heating. BACKGROUND

[0002] In order to improve the hardness and strength of bearing steel during production and processing, heat treatment process can ensure the consistency of bearing materials, thereby improving the operation performance and durability of the overall mechanical system. Induction heating quenching and tempering has the advantages of fast heating speed, energy saving and small deformation, and reduces energy consumption and pollution.

[0003] Chinese patent CN112714526B discloses an electromagnetic induction coil, which comprises a device main body, a cooling box body is fixedly connected to the front end outer surface of the device main body, a fixing seat is arranged at the inner center position of the cooling box body, a sliding groove is formed on the front end outer surface of the device main body, a sliding seat is installed in the sliding groove, a heating coil is fixedly connected to the front end outer surface of the sliding seat, a cooling mechanism is arranged below the heating coil, and an adjusting mechanism is arranged between two output copper pipes in the heating coil. The influence of the reduction of high-frequency magnetic field transmission effect caused by the attachment of impurities to the heating coil is effectively reduced, the service life of the heating coil is improved, the difficulty and time of manual maintenance and cleaning are reduced, and since the U-shaped cleaning block is composed of an arc plate-shaped high-density rubber, it can better fit the surface of the heating coil in a larger area, and it can still be used normally under the expansion and contraction of the adjusting mechanism.

[0004] Some bearing production and processing have certain defects, for example, the bearing wall thickness has differences, and the bearing cannot be placed in the center of the induction equipment, so that when the bearing is placed in the induction heating equipment for heat treatment processing, the heat is not uniformly distributed between different parts of the bearing, and the local circumferential surface of the bearing may be overheated, which causes the deformation or damage of the bearing processing material. In addition, the heat transfer efficiency of bearings with different wall thicknesses and diameters is different, and the existing part of the heat treatment equipment is not convenient for adjusting the heat treatment processing state according to different types of gears, which is not conducive to the rapid and uniform transmission of heat on the bearing. TECHNICAL PROBLEM

[0005] In view of the above problems, the application provides a bearing processing heat treatment equipment with uniform heating, which can center the bearing in the induction coil through the clamping assembly to complete the heat treatment processing, and rotate the driving rotating rod and the driven rotating rod to control the rotation of the clamping assembly and the bearing, so that the heat is uniformly distributed on the bearing, and the problems such as the deformation or damage of the bearing processing material caused by the uneven distribution of heat on different parts of the bearing during the heat treatment processing of the bearing in the induction heating equipment due to the defects of the bearing production and processing, such as the difference in the bearing wall thickness and the inability of the bearing to be placed in the center of the induction equipment. Technical solutions

[0006] To solve the problems in the prior art, the application provides a bearing processing heat treatment equipment with uniform heating, which comprises a heat treatment workbench and a heating controller installed on the heat treatment workbench, and further comprises an induction wire connected to the heating controller, an induction coil connected to the induction wire, two groups of support seats fixedly installed on the heat treatment workbench in symmetry with the induction coil, a driving rotating rod rotatably installed on the support seat, and a driven rotating rod movably installed on the support seat.

[0007] Preferably, the clamping assembly comprises sliding holes of equal angles opened on the rotating seat, and clamping claws are slidingly connected in the sliding holes.

[0008] Preferably, the driven rotating rod is embedded with a clamping cylinder, the clamping cylinder is connected with a positioning disc at the telescopic end, the positioning disc is coaxially movably arranged in the rotating seat, a push rod is rotatably connected to the positioning disc, and the push rod is rotatably assembled with the clamping claw.

[0009] Preferably, the end surface of the clamping claw is embedded with a temperature sensing probe for detecting the temperature of the inner ring of the bearing.

[0010] Preferably, the moving assembly comprises a guide prism fixedly connected to the driving rotating rod, the guide prism is slidingly connected to the driven rotating rod, a displacement cylinder is fixedly installed on the support seat, a displacement seat is fixedly installed at the telescopic end of the displacement cylinder, and the displacement seat is rotatably assembled with the driven rotating rod.

[0011] Preferably, the driven rotating rod is provided with an ejection assembly for assisting the bearing to be automatically discharged after heat processing.

[0012] Preferably, the ejection assembly comprises a horizontal rod fixedly installed on the support seat, an ejection push column is fixedly installed on the horizontal rod, and an ejection opening for providing the bearing to be discharged is arranged on the heat treatment workbench.

[0013] Preferably, the support seat is provided with a speed change assembly for controlling the rotation speed of the driving rotating rod according to bearing diameter and thickness factors.

[0014] Preferably, the speed change assembly comprises a fixed ring fixedly installed on the support seat, an inner ring fixedly installed on the fixed ring, a planet carrier coaxially connected to the driving rotating rod, a tooth column fixedly connected to the planet carrier in a coaxial manner, a plurality of planet gears installed on the planet carrier at equal angles, a plurality of circumferentially distributed planet gears meshingly assembled with the inner ring on the outer side, and a sun gear meshingly assembled with the plurality of planet gears on the inner side; the sun gear is provided with a tooth groove along the axial direction, and the sun gear is installed on the tooth column through the tooth groove in a clamping manner by lateral movement.

[0015] Preferably, the support seat is fixedly installed with a speed regulating air cylinder, the speed regulating air cylinder is fixedly installed with a mounting bracket at the telescopic end, and the mounting bracket is fixedly installed with a motor, and the motor output end is fixedly connected with the sun gear. Beneficial effects

[0016] The beneficial effects of the present application compared with the prior art are:

[0017] 1. The clamping assembly in the present application can center and clamp the bearing in the induction ring, the bearing is sleeved on the outside of the clamping claw, the positioning disc is moved laterally by operating the clamping cylinder to push the push rod to synchronously push a plurality of clamping claws to be limited in the inner ring of the bearing, so that the bearing can be centrally arranged in the induction ring, the uniformity of heat transfer during heating of the bearing in the induction ring is maintained, and during the heat treatment process, the clamping assembly and the bearing are rotated by the driving rotating rod and the driven rotating rod, the bearing is rotated in the induction ring to complete the heat treatment process, which can effectively avoid the local overheating of the bearing, and further maintain the uniformity of heat transfer.

[0018] 2. The moving assembly in the present application can adjust the position of the clamped bearing in the induction ring, two groups of clamping assemblies are arranged on both sides of the induction ring, the clamping assemblies are moved by the moving assembly during induction processing, so that the clamping assemblies on both sides of the induction ring alternately clamp and limit the bearing to move into the induction ring for heat treatment processing, improving the processing efficiency, and when the clamping assemblies move away from the induction ring, the bearing on the clamping assembly can be discharged automatically under the pushing action of the discharging assembly, improving the safety of the heat treatment process.

[0019] 3. The speed change assembly is arranged in the application, which can adjust the rotating speed of the clamping assembly and the bearing corresponding to the induction ring. According to the wall thickness and diameter size of the bearing, the processing rotating speed of the driving rotating rod, the driven rotating rod and the clamping assembly is adjusted by the speed change assembly. The position of the sun gear is moved horizontally by the speed regulating cylinder. When the sun gear is assembled with the planetary gear, the driving rotating rod is accelerated by the gear transmission ratio. When the sun gear is assembled with the tooth column, the driving rotating rod is decelerated by the clamping structure, so as to control the rotating state of the rotating rod. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a heating controller of a bearing processing heat treatment equipment for uniform heating.

[0021] Fig. 2 is a heat treatment workbench of a bearing processing heat treatment equipment for uniform heating.

[0022] Fig. 3 is an induction ring of a bearing processing heat treatment equipment for uniform heating.

[0023] Fig. 4 is a support seat of a bearing processing heat treatment equipment for uniform heating.

[0024] Fig. 5 is a driven rotating rod of a bearing processing heat treatment equipment for uniform heating.

[0025] Fig. 6 is a rotating seat of a bearing processing heat treatment equipment for uniform heating.

[0026] Fig. 7 is a clamping claw of a bearing processing heat treatment equipment for uniform heating.

[0027] Fig. 8 is a push rod of a bearing processing heat treatment equipment for uniform heating.

[0028] Fig. 9 is a positioning disc of a bearing processing heat treatment equipment for uniform heating.

[0029] Fig. 10 is a fixed ring of a bearing processing heat treatment equipment for uniform heating.

[0030] Fig. 11 is a planetary gear of a bearing processing heat treatment equipment for uniform heating.

[0031] Fig. 12 is a sun gear of a bearing processing heat treatment equipment for uniform heating.

[0032] Fig. 12 is a sun gear of a bearing processing heat treatment equipment for uniform heating.

[0033] 11, heat treatment workbench; 12, heating controller; 13, induction line; 14, induction ring; 2, support seat; 21, driving rotary rod; 22, driven rotary rod; 23, moving assembly; 231, guide prism; 232, displacement cylinder; 233, displacement seat; 24, rotary seat; 25, clamping assembly; 251, sliding hole; 252, clamping claw; 253, clamping cylinder; 254, positioning disc; 255, push rod; 3, temperature sensing probe; 4, discharging assembly; 41, cross rod; 42, discharging push column; 43, discharge port; 5, speed changing assembly; 51, fixed ring; 52, inner gear ring; 53, planet carrier; 54, tooth column; 55, planetary gear; 56, sun gear; 561, speed regulating cylinder; 562, mounting bracket; 563, motor; 57, gear slot. Best mode of the present application

[0034] In order to further understand the features, technical means and specific purposes and functions of the present application, the present application will be described in detail below in combination with the drawings and specific embodiments.

[0035] Referring to FIGS. 1-6, a bearing processing heat treatment equipment for uniform heating includes a heat treatment workbench 11 and a heating controller 12 mounted on the heat treatment workbench 11. The bearing processing heat treatment equipment further includes an induction line 13 connected to the heating controller 12, an induction ring 14 connected to the induction line 13, two groups of support seats 2 symmetrically fixed and installed on the heat treatment workbench 11 relative to the induction ring 14, a driving rotary rod 21 rotatably installed on the support seat 2, and a driven rotary rod 22 movably installed on the support seat 2. The support seat 2 is provided with a moving assembly 23 for regulating the distance between the driven rotary rod 22 and the driving rotary rod 21. The driven rotary rod 22 is fixedly connected with a rotary seat 24, and the rotary seat 24 is provided with a clamping assembly 25 for clamping and limiting the bearing workpiece. The clamping assembly 25 is symmetrically distributed on both sides of the induction ring 14 and alternately clamps the bearing to move into the induction ring 14.

[0036] The bearing is arranged outside the clamping assembly 25. The clamping assembly 25 quickly clamps the heat treatment processing position of the bearing. The moving assembly 23 pushes the rotary seat 24 and the clamping assembly 25 to move towards the induction ring 14, so that the clamped bearing is pushed to the center of the induction ring 14. The heating controller 12 and the induction line 13 quickly heat the induction ring 14. The induction ring 14 performs heat treatment on the clamped bearing inside. At the same time of heat treatment, the driving rotary rod 21 is controlled to rotate. The driving rotary rod 21 drives the driven rotary rod 22 to synchronously rotate through the guide prism 231. The driven rotary rod 22 drives the rotary seat 24 and the clamping assembly 25 to synchronously rotate. The clamping assembly 25 drives the clamped bearing to rotate in the induction ring 14, so that the heat is uniformly transmitted and distributed on the bearing, avoiding local overheating of the bearing, thereby reducing the probability of deformation and damage of the bearing due to heating.

[0037] Referring to FIG. 4-9, the clamping assembly 25 comprises a sliding hole 251 which is equiangularly arranged on the rotating seat 24, and the clamping claws 252 are slidingly connected in the sliding hole 251.

[0038] The bearing sleeve is arranged outside the clamping claws 252, the clamping claws 252 are controlled to move along the direction of the sliding hole 251 to the outside of the rotating seat 24, the clamping claws 252 are synchronously moved to clamp the bearing which is limited inside the bearing, the heat treatment processing position of the bearing is quickly limited, and the bearing can be kept to be limited in the induction coil 14 by the clamping of the clamping claws 252, so that the circumferential surface of the bearing can be more uniformly heated and treated.

[0039] Referring to FIG. 4-9, the clamping cylinder 253 is embeddedly installed in the driven rotating rod 22, the positioning disc 254 is connected to the telescopic end of the clamping cylinder 253, the positioning disc 254 is coaxially movably arranged in the rotating seat 24, the push rod 255 is rotatably connected to the positioning disc 254, and the push rod 255 is rotatably assembled between the clamping claws 252.

[0040] The clamping cylinder 253 is operated to push the positioning disc 254 to move transversely in the rotating seat 24, the push rod 255 connected between the positioning disc 254 and the clamping claws 252 is correspondingly rotated at both ends, the rotating push rod 255 pushes the clamping claws 252 to move along the direction of the sliding hole 251, and the synchronous driving of the clamping claws 252 is realized.

[0041] Referring to FIG. 7-9, the temperature sensing probe 3 for detecting the temperature of the inner ring of the bearing is embeddedly installed on the end face of the clamping claw 252.

[0042] After the clamping claws 252 clamp and limit the inner ring of the bearing, the temperature sensing probe 3 on the clamping claw 252 can sense the heating temperature of the bearing in real time during the heat treatment, the processing temperature of the heat treatment is timely controlled according to the sensed temperature, the workpiece is prevented from being damaged due to the excessively high heating temperature, the temperature measurement of the inner wall of the bearing by the clamping claw 252 can improve the protection of the use, and the clamping claw 252 arranged on the outer wall of the bearing is prevented from being damaged in the high-temperature state.

[0043] Referring to FIG. 4-6, the moving assembly 23 comprises the guide prism 231 which is fixedly connected to the driving rotating rod 21, the guide prism 231 is slidingly connected through the driven rotating rod 22, the displacement cylinder 232 is fixedly installed on the support seat 2, the displacement seat 233 is fixedly installed at the telescopic end of the displacement cylinder 232, and the displacement seat 233 is rotatably assembled with the driven rotating rod 22; the slot structure matched with the guide prism 231 is arranged in the driven rotating rod 22, and the guide prism 231 is slidingly installed in the slot structure arranged in the driven rotating rod 22.

[0044] After the bearing is limited on the clamping assembly 25, the displacement cylinder 232 drives the displacement seat 233 to move laterally, and the displacement seat 233 drives the driven rotating shaft 22 to slide on the guide prism 231, and the driven rotating shaft 22 drives the rotating seat 24 and the clamping assembly 25 to move towards the induction coil 14, and the clamping assembly 25 on one side of the induction coil 14 clamps the bearing for heat treatment, and the clamping assembly 25 on the other side of the induction coil 14 clamps the new bearing for heating. When the bearing in the induction coil 14 is completed heat treatment, the displacement cylinder 232 drives the clamping assembly 25 and the bearing away from the induction coil 14, and the displacement cylinder 232 on the other side of the induction coil 14 drives the clamping assembly 25 and the bearing into the induction coil 14 for induction processing. The clamping assembly 25 on both sides of the induction coil 14 alternately controls the clamped bearing heat treatment processing, improving the processing efficiency.

[0045] As shown in FIGS. 5-7, the driven rotating shaft 22 is provided with an auxiliary bearing heat processing self-discharging discharge assembly 4.

[0046] When the displacement cylinder 232 drives the driven rotating shaft 22 and the clamping assembly 25 to move away from the induction coil 14, the loosened bearing on the clamping assembly 25 can be discharged autonomously with the help of the discharge assembly 4.

[0047] As shown in FIGS. 5-7, the discharge assembly 4 includes a cross rod 41 fixed on the support seat 2, a discharge push column 42 fixedly installed on the cross rod 41, and a discharge port 43 provided on the heat treatment workbench 11 to provide bearing discharge.

[0048] When the displacement cylinder 232 drives the driven rotating shaft 22, the rotating seat 24, and the clamping assembly 25 to move away from the induction coil 14, the bearing on the clamping assembly 25 is loosened first, the bearing is in contact with the discharge push column 42 and separated from the clamping jaw 252, and the separated bearing is discharged autonomously through the discharge port 43.

[0049] As shown in FIGS. 1-4 and 10-12, the support seat 2 is provided with a variable speed assembly 5 for controlling the rotating speed of the driven rotating shaft 21 according to the bearing diameter and thickness.

[0050] According to the wall thickness and diameter of the processed bearing, the processing rotating speed of the driven rotating shaft 21 is adjusted to keep the bearing can uniformly receive heat treatment processing.

[0051] Referring to Figs. 1-4, 10-12, the variable speed assembly 5 comprises a fixed ring 51 fixedly mounted on the support base 2, an inner ring 52 fixedly mounted on the fixed ring 51, a planet carrier 53 coaxially connected to the driving shaft 21, a tooth column 54 fixedly connected to the planet carrier 53, and a plurality of planet gears 55 equiangularly rotatably mounted on the planet carrier 53, the outer sides of the circumferentially distributed planet gears 55 being meshingly assembled with the inner ring 52, and the inner sides of the circumferentially distributed planet gears 55 being meshingly assembled with a sun gear 56; the sun gear 56 is provided with a tooth groove 57 along the axial direction, and the sun gear 56 is movably installed on the tooth column 54 through the tooth groove 57.

[0052] When the sun gear 56 is movably installed on the outside of the tooth column 54 through the tooth groove 57, the sun gear 56 is clampedly connected with the planet carrier 53, and when the sun gear 56 rotates, the planet carrier 53 and the driving shaft 21 are synchronously rotated through the clamping structure, the driving shaft 21 controls the clamping assembly 25 and the clamped bearing to rotate, the sun gear 56 is moved to be meshingly assembled with the planet gears 55, at this time, the sun gear 56 is separated from the tooth column 54, and when the sun gear 56 rotates, the sun gear 56, the planet gears 55 and the inner ring 52 are meshingly assembled, and the planet gears 55 are circumferentially rotated under the meshing transmission, the diameter of the sun gear 56 is greater than that of the planet gears 55, the gear transmission ratio is increased, the planet gears 55 drive the planet carrier 53 to rotate at a higher speed, thereby driving the driving shaft 21 to rotate at a higher speed, and the sun gear 56 is moved to different positions to control the machining rotating speed of the bearing clamped in the inductor ring 14.

[0053] Referring to Figs. 10-12, the support base 2 is fixedly mounted with a speed regulating air cylinder 561, the speed regulating air cylinder 561 is fixedly mounted with a mounting bracket 562 at the extension end, and the mounting bracket 562 is fixedly mounted with a motor 563, the output end of the motor 563 is fixedly connected with the sun gear 56.

[0054] The motor 563 is operated to control the sun gear 56 to rotate, the corresponding position of the sun gear 56 is adjusted according to the thickness and diameter of the bearing, thereby adjusting the rotating speed of the bearing clamped for machining, the speed regulating air cylinder 561 is operated to drive the mounting bracket 562 to move laterally, the mounting bracket 562 drives the motor 563 and the sun gear 56 to synchronously move, and the corresponding positions between the sun gear 56 and the tooth column 54 and the planet gears 55 are adjusted.

[0055] The above embodiments only express one or several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A bearing machining heat treatment apparatus for heating uniformly, comprising a heat treatment worktable (11) and a heating controller (12) installed on the heat treatment worktable (11), characterized in that: The bearing machining heat treatment equipment further comprises an induction wire (13) connected to the heating controller (12), an induction coil (14) connected to the induction wire (13), two groups of support seats (2) symmetrically fixedly installed on the heat treatment workbench (11) relative to the induction coil (14), a driving rotating rod (21) rotatably installed on the support seat (2), and a driven rotating rod (22) movably installed on the support seat (2). The support seat (2) is provided with a moving assembly (23) for regulating the distance between the driven rotating rod (22) and the driving rotating rod (21). The driven rotating rod (22) is fixedly connected with a rotating seat (24), and the rotating seat (24) is provided with a clamping assembly (25) for clamping the bearing workpiece.

2. The bearing processing heat treatment apparatus of uniform heating according to claim 1, wherein: The clamping assembly (25) comprises sliding holes (251) of equal angles formed in the rotating seat (24), and clamping claws (252) are slidingly connected in the sliding holes (251).

3. A bearing processing heat treatment apparatus capable of heating uniformly according to claim 2, characterized in that: The driven rotating rod (22) is embeddedly installed with a clamping cylinder (253), the clamping cylinder (253) is connected with a positioning disc (254) at the telescopic end, the positioning disc (254) is coaxially movably arranged in the rotating seat (24), the positioning disc (254) is rotatably connected with a push rod (255), and the push rod (255) is rotatably assembled with the clamping claw (252).

4. The bearing processing heat treatment apparatus of uniform heating according to claim 2, wherein: The clamping claw (252) is embeddedly installed with a temperature sensing probe (3) for detecting the temperature of the inner ring of the bearing.

5. The bearing processing heat treatment apparatus of uniform heating according to claim 1, wherein: The moving assembly (23) comprises a guide prism (231) fixedly connected to the driving rotating rod (21), the guide prism (231) is slidingly connected to the driven rotating rod (22), the support seat (2) is fixedly installed with a displacement cylinder (232), the displacement cylinder (232) is fixedly installed with a displacement seat (233) at the telescopic end, and the displacement seat (233) is rotatably assembled with the driven rotating rod (22).

6. The bearing processing heat treatment apparatus of uniform heating according to claim 1, wherein: The driven rotating rod (22) is provided with a discharging assembly (4) for assisting the bearing in heat processing to be automatically discharged.

7. A bearing processing heat treatment apparatus capable of heating uniformly according to claim 6, wherein: The discharging assembly (4) comprises a cross rod (41) fixedly installed on the support seat (2), a discharging push column (42) fixedly installed on the cross rod (41), and a discharging port (43) provided on the heat treatment workbench (11) for providing the bearing discharging.

8. The bearing processing heat treatment apparatus of uniform heating according to claim 1, wherein: The support seat (2) is provided with a speed changing assembly (5) for controlling the rotating speed of the driving rotating rod (21) according to the diameter and thickness of the bearing.

9. A bearing processing heat treatment apparatus capable of heating uniformly according to claim 8, wherein: The speed changing assembly (5) comprises a fixed ring (51) fixedly installed on the support seat (2), an inner gear ring (52) fixedly installed on the fixed ring (51), a planet carrier (53) coaxially connected to the driving rotating rod (21), a tooth column (54) fixedly connected to the planet carrier (53), a plurality of planet gears (55) rotatably installed on the planet carrier (53) at equal angles, a plurality of planet gears (55) circumferentially distributed and meshingly assembled with the inner gear ring (52) on the outer side, and a sun gear (56) meshingly assembled on the inner side of the plurality of planet gears (55). The sun gear (56) is provided with a gear slot (57) formed along the axial direction, and the sun gear (56) is movably installed on the tooth column (54) through the gear slot (57).

10. A bearing processing heat treatment apparatus capable of heating uniformly according to claim 9, wherein: The supporting seat (2) is fixedly installed with a speed regulating cylinder (561), the telescopic end of the speed regulating cylinder (561) is fixedly installed with a mounting rack (562), the mounting rack (562) is fixedly installed with a motor (563), and the output end of the motor (563) is fixedly connected with the sun gear (56).

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