Bearing outer ring crack guiding groove forming equipment and machining method

Abstract

The invention discloses bearing outer ring crack guiding groove forming equipment and a machining method, and belongs to the technical field of bearing machining. The bearing outer rings enter the feeding slide way one by one from the feeding mechanism and then enter the product positioning structure to be positioned. The pushing air cylinder pushes the carrying plate to the direction of the product positioning structure, so that the four-claw air cylinder clamps the bearing outer ring. And the motor is rotated to enable the cracking groove opening position on the bearing outer ring to correspond to the position of the cutter above. The cutter is driven by the pressurizing air cylinder to move downwards and make contact with the grooving position of the bearing outer ring to complete notching. And the shifting cylinder shifts the bearing outer ring from the positioning table to the discharging slide way to slide out. Unmanned operation can be achieved, one person can achieve multiple machines, operation is fast and convenient, safety performance is high, the risk of industrial injury caused by cutter breakage is reduced, machining efficiency is improved, machining quality is improved, the product rejection rate is reduced, and the enterprise image is improved.

Description

Technical Field

[0001] The invention relates to a device for cutting crack grooves in a bearing outer ring and a processing method thereof, belonging to the technical field of bearing processing. Background Art

[0002] At present, most of the radial spherical plain bearings are assembled during the process, such as Figure 1 As shown, the inner diameter end face of the bearing outer ring 1 needs to be cut with a crack groove 1-1 before the bearing inner ring, roller and bearing outer ring can be assembled. In order to ensure the consistency and quality of the crack grooves, the crack grooves need to be cut at designated positions on the bearing outer ring before heat treatment.

[0003] At present, most bearing manufacturers use punch presses to manually make grooves, which is labor-intensive for workers. The groove cutting tools are prone to breakage during the groove cutting process, and the broken edges of the tools are prone to ejection, causing injuries to the workers.

[0004] In addition, due to product process requirements, such as Figure 1 As shown, there are 2-4 evenly distributed oiling holes 1-2 in the axial middle position of the circumferential surface of the bearing outer ring 1. In order to ensure the strength of the product, the position of the crack induction groove is generally in the middle of the two oiling holes, that is, the arc between the crack induction groove and the two adjacent oiling holes is equal. Therefore, when opening the crack induction groove, the worker must observe the position of the oiling hole, put the bearing outer ring in the appropriate position by hand, and then stamp it. Any carelessness will cause the product's slot position to be inaccurate, affecting the product quality, and poor safety, which is very likely to cause work-related injuries. Summary of the invention

[0005] The purpose of the present invention is to address the deficiencies of the above-mentioned prior art and to provide a bearing outer ring cutting groove device and processing method, which can cut the inner diameter end face of the outer ring of the radial spherical bearing to replace manual operation, with a high degree of mechanization, thereby improving product quality and work efficiency.

[0006] The first object of the present invention is to provide a bearing outer ring cracking groove opening device, which is characterized by comprising: Frame, feed slide, product positioning structure, notching power mechanism, clamping and rotating mechanism, material shifting mechanism, and discharge slide.

[0007] 1. Feed chute The feed chute is arranged at an angle, and its feed end is higher than the discharge end. A guide plate is provided at the feed end of the feed chute, and the guide plate is connected to the discharge port of the feeding mechanism, and the discharge end of the feed chute is connected to the product positioning structure. The width of the feed chute can be adaptively adjusted according to the height of the outer ring of the bearing. The feeding mechanism is not limited to a certain type, and can be selected from flat belt type, string rod type, manipulator or other automatic feeding mechanisms.

[0008] Furthermore, a buffer feed assembly is provided in the middle of the feed slide, and the buffer feed assembly includes a first feed cylinder, a second feed cylinder, a first feed plate, and a second feed plate. The first feed cylinder and the second feed cylinder are respectively connected to the first feed plate and the second feed plate for driving, so as to control the first feed plate and the second feed plate to perform lifting and lowering movements, so as to intercept or release the bearing outer ring products on the feed slide.

[0009] The first dividing plate is close to the product positioning structure, and the second dividing plate is far away from the product structure. The first dividing plate descends and the second dividing plate rises, and a bearing outer ring product enters between the two dividing plates; the first dividing plate rises and the second dividing plate descends, and a bearing outer ring product is sent to the product positioning structure. The first and second dividing plates are raised and lowered alternately, and the bearing outer ring products are sent one by one into the product positioning structure for slotting, realizing buffer feeding.

[0010] Furthermore, the buffer feed assembly also includes a proximity switch, a baffle and a mounting plate. The mounting plate is mounted on one side of the feed slide and is located above the second material dividing plate. The middle part of the baffle is hinged to the mounting plate, and the lower end of the baffle falls on the feed slide under the action of gravity. The proximity switch is placed on the mounting plate and cooperates with the upper end of the baffle to determine the product backlog on the feed slide.

[0011] When there are not many bearing outer ring products on the feed slide, the bearing outer ring pushes the baffle away under the action of gravity and rolls down. When there are many bearing outer ring products on the feed slide, the baffle is in a flipping state, that is: The outer ring of the bearing located below the baffle lifts the lower end of the baffle upwards, and the baffle rotates, causing the upper end of the baffle to drop, triggering the proximity switch, which sends a signal to the control unit to control the feeding mechanism to stop discharging. When there is no more product accumulation under the baffle, the baffle rotates and resets, and the feeding mechanism discharges normally.

[0012] 2. Product positioning structure The product positioning structure serves as a processing station, including a back plate and a positioning platform, and the positioning platform is placed on the front of the back plate. The positioning platform includes a horizontal plane, an upper inclined plane, a U-shaped surface, and a lower inclined plane in sequence. The discharge end of the feed slide is placed on the horizontal plane of the positioning platform, the upper inclined plane is shorter, the lower inclined plane is longer, the U-shaped surface matches the outer ring of the bearing, and the feed side of the U-shaped surface (the highest point of the upper inclined plane) is shorter than the discharge side (the highest point of the lower inclined plane). On the one hand, it can cooperate with the upper inclined plane to facilitate the outer ring of the bearing to enter the U-shaped surface for positioning smoothly, and on the other hand, it can achieve stable positioning of the outer ring of the bearing.

[0013] Furthermore, the front side of the back plate is an inclined surface, and the positioning platform is arranged at an angle and in close contact with the front side of the back plate to tilt the outer ring of the bearing located in the U-shaped surface so that the position to be grooved on the inner diameter end face of the outer ring of the bearing faces the tool above, which facilitates the tool above to press down to groove.

[0014] Furthermore, the front of the back plate is provided with a plurality of grooves arranged evenly and at intervals, and each groove is arranged horizontally along the back plate, which can increase the friction with the end face of the bearing outer ring and facilitate product positioning. In addition, before entering the equipment, the surface of the bearing outer ring product is covered with a rust inhibitor, and crystals will appear on the surface of the bearing outer ring after the rust inhibitor dries. During the rolling process of the bearing outer ring, the grooves on the inclined surface of the back plate can help scrape off the crystals on the end face of the bearing outer ring, intercept the crystals in the grooves, ensure that the end face of the bearing outer ring fits the inclined surface of the back plate, ensure that the slotting position corresponds to the position of the tool above, and improve the processing quality.

[0015] Furthermore, a position sensor is provided on the back plate, and the position sensor is located above the U-shaped surface of the positioning platform, and is used to sense whether there is a bearing outer ring product on the positioning platform.

[0016] 3. Slotting power mechanism The slotting power mechanism is installed above the product positioning structure, and the slotting power mechanism includes a power device and a tool. The tool is connected to the output shaft of the booster cylinder through a tool fixing seat, and the tool is located directly above the U-shaped surface of the positioning platform. The tool moves downward under the action of the power device and opens a crack groove at the corresponding position of the outer ring of the bearing. The power device in the present invention selects a booster cylinder, and can also select power devices such as a punch press and an oil cylinder.

[0017] Furthermore, the punching power mechanism also includes a vertical frame and a screw guide rail module. The vertical frame is installed on the base, the screw guide rail module is vertically arranged on the vertical frame, and the boost cylinder is installed on a slider of the screw guide rail module. The height of the boost cylinder is adjusted by driving the screw guide rail module to adjust the processing depth of the tool.

[0018] 4. Clamping and rotating mechanism The clamping and rotating mechanism is used to clamp the outer ring of the bearing on the positioning table and rotate it to a suitable angle, and includes a bottom support plate, an inclined plate, a carrier plate, a rotating motor, a push cylinder, and a four-claw cylinder. The bottom support plate is installed on the base, the inclined plate is arranged obliquely and fixedly installed on the bottom support plate, the push cylinder is installed on the inclined plate, and the push cylinder is connected to the carrier plate by driving. The carrier plate is slidably assembled with the inclined plate through a pair of guide rails, and the pair of guide rails are respectively placed on both sides of the push cylinder. The carrier plate is driven to slide back and forth along the inclined direction of the inclined plate through the push cylinder.

[0019] The rotary motor is mounted on the carrier plate, and the output shaft of the rotary motor is connected to the four-claw cylinder. The central axis of the four-claw cylinder is perpendicular to the front (inclined surface) of the back plate and is coaxial with the outer ring of the bearing on the positioning table. The push cylinder drives the carrier plate to slide back and forth on the inclined plate, so that the four-claw cylinder approaches the positioning table to support and clamp the inner diameter surface of the outer ring of the bearing, or moves the four-claw cylinder away from the positioning table. The rotary motor is used to drive the four-claw cylinder to rotate, and rotate the outer ring of the bearing clamped by the four-claw cylinder to a suitable angle, so that the position of the crack guide groove corresponds to the position of the upper tool.

[0020] Furthermore, the outer side surface of the claw of the four-claw cylinder is an arc surface matching the inner diameter surface of the outer ring of the bearing. The claw of the four-claw cylinder cooperates with the inner diameter surface of the outer ring of the bearing to clamp the outer ring of the bearing and rotate.

[0021] Furthermore, the clamping and rotating mechanism also includes a hole-finding assembly, which includes an optical fiber sensor, a support plate, and a support rod. The support plate is vertically fixedly connected to the carrier plate and is provided with a first waist-shaped hole, which is horizontally arranged along the radial direction of the four-claw cylinder. The support rod is located on one side of the four-claw cylinder and is arranged parallel to the four-claw cylinder. One end of the support rod is installed at the first waist-shaped hole of the support plate, and the other end is provided with a second waist-shaped hole, which is axially arranged along the four-claw cylinder, and the optical fiber sensor is installed at the second waist-shaped hole of the support rod. The first waist-shaped hole facilitates the adjustment of the radial distance between the optical fiber sensor and the outer ring of the bearing, and the second waist-shaped hole facilitates the adjustment of the axial distance between the optical fiber sensor and the outer ring of the bearing.

[0022] The optical fiber sensor slides back and forth with the carrier plate. When the four-jaw cylinder clamps the outer ring of the bearing, the optical fiber sensor is used to sense the position of the oil filling hole of the outer ring of the bearing on the positioning table. If the oil filling hole is not sensed, the signal is transmitted to the control unit, and the control unit issues a command to make the rotary motor drive the four-jaw cylinder to rotate, thereby driving the outer ring of the bearing to rotate until the optical fiber sensor senses the oil filling hole, ensuring that the position of the guide groove on the outer ring of the bearing corresponds to the position of the tool.

[0023] The position of the optical fiber sensor can be adjusted according to the positional relationship between the oil filling hole on the bearing outer ring and the cracking groove.

[0024] Furthermore, a height adjustment component is provided, including four guide rods and two threaded rods. The four guide rods are respectively arranged at the four corners of the bottom support plate, and the two threaded rods are respectively arranged on both sides of the bottom support plate. By rotating the threaded rods, the bottom support plate can be raised and lowered along the four guide rods to complete the height adjustment of the four-claw cylinder.

[0025] 5. Material transfer mechanism The material-dispensing mechanism is used to move the slotted outer ring of the bearing from the positioning platform to the discharging slideway, and includes a first material-dispensing cylinder and a second material-dispensing cylinder. The back plate is provided with a horizontally arranged material-dispensing through groove, and the material-dispensing through groove is horizontally arranged along the length direction of the positioning platform. The first material-dispensing cylinder is installed on the back side of the back plate, and the output shaft of the first material-dispensing cylinder is horizontally arranged along the radial direction of the outer ring of the bearing, and is driven to connect with the second material-dispensing cylinder. The output shaft of the second material-dispensing cylinder is arranged along the axial direction of the outer ring of the bearing and is located in the material-dispensing through groove.

[0026] After the outer ring of the bearing is grooved, the output shaft of the second material-push cylinder extends out, passes through the material-push slot and is located on one side of the outer ring of the bearing. The first material-push cylinder extends out, driving the output shaft of the second material-push cylinder to move along the length direction of the material-push slot. Then the output shaft of the second material-push cylinder moves the outer ring of the bearing from the U-shaped surface of the positioning table to the lower inclined surface of the positioning table, and then rolls to the discharge slide.

[0027] 6. Discharging chute The discharge chute is arranged obliquely, with its feed end being higher than the discharge end, and its feed end being connected with the lower slope of the positioning table. Similarly, the width of the discharge chute can be adaptively adjusted according to the height of the outer ring of the bearing.

[0028] 7. Control unit The control unit is connected to the proximity switch, the position sensor, and the optical fiber sensor for communication, and controls the working status of each cylinder and the rotary motor.

[0029] The second object of the present invention is to provide a method for processing a bearing outer ring cracking groove device, which is characterized by comprising: 1) Feed The outer rings of the bearings enter the feed slideway one by one from the feeding mechanism, and enter the product positioning structure through the feed slideway for positioning.

[0030] When a certain number of bearing outer ring products fall from the feeding mechanism to the feed chute, the baffle located in the upper half of the feed chute will be lifted up by the products and rotate, and the upper end of the baffle will drop to trigger the proximity switch, and transmit the signal to the control unit, which controls the feeder to stop feeding.

[0031] After the equipment is started, the two material distribution cylinders located in the middle of the feed slideway control the two material distribution plates to rise and fall alternately, releasing the bearing outer ring products one by one into the product positioning structure.

[0032] 2) Product positioning The bearing outer ring product enters from the lowest end of the feed slide, passes through the horizontal plane of the positioning table and reaches the U-shaped surface for positioning. At this time, the position sensor triggers a signal and transmits the signal to the control unit.

[0033] 3) Clamping and rotating After receiving the signal from the position sensor, the control unit controls the push cylinder to extend, pushes the carrier plate toward the product positioning structure, makes the claws of the four-claw cylinder enter the inner ring of the bearing outer ring, and controls the four-claw cylinder to clamp the inner diameter surface of the bearing outer ring.

[0034] The optical fiber sensor located on one side of the four-claw cylinder senses the position of the oil filling hole on the outer ring of the bearing on the positioning table; if the oil filling hole is not sensed, the signal is transmitted to the control unit to control the rotation motor (servo motor) to drive the outer ring of the bearing clamped by the four-claw cylinder to rotate a certain angle, so that the optical fiber sensor senses the oil filling hole. At this time, the position of the guide groove on the outer ring of the bearing corresponds to the position of the tool above.

[0035] 4) Slotting After the optical fiber sensor senses the oil filling hole, it transmits the signal to the control unit, controls the four-claw cylinder to loosen the outer ring of the bearing, and controls the push cylinder to drive the carrier plate to reset; After the four-claw cylinder is reset, the booster cylinder is controlled to start the downward movement. The tool moves downward under the drive of the booster cylinder and contacts the inner diameter end face of the bearing outer ring (the required grooving position) to complete the grooving.

[0036] 5) Material selection After the crack groove is opened, the booster cylinder drives the tool to reset upward; then, the output shaft of the second material-push cylinder is controlled to extend, and the output shaft of the second material-push cylinder passes through the material-push slot and is located on one side of the outer ring of the bearing; then, the first material-push cylinder is controlled to extend, and the output shaft of the second material-push cylinder is driven to move along the length direction of the material-push slot, then the output shaft of the second material-push cylinder pushes the outer ring of the bearing from the U-shaped surface of the positioning table to the lower inclined surface of the positioning table, and the outer ring of the bearing slides out along the discharge slide and falls into the material frame, and a cycle ends.

[0037] The present invention can realize unmanned operation, enable one person to operate multiple machines, has quick operation, high safety performance, reduces the risk of work-related injuries due to tool breakage, improves processing efficiency, improves processing quality, reduces product scrap rate, and enhances corporate image. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the structure of the outer ring of the bearing in the present invention; Figure 2 It is a front view of the device for opening crack grooves in the outer ring of a bearing according to the present invention; Figure 3 This is a schematic diagram of the structure of the bearing outer ring cracking groove opening device of the present invention (part of the frame is removed); Figure 4 It is a schematic diagram of the connection between the feed slideway and the product positioning structure in the present invention; Figure 5 It is a schematic diagram of the installation of the proximity switch, the baffle and the mounting plate in the present invention; Figure 6It is a structural schematic diagram of the buffer feed assembly in the present invention; Figure 7 It is a top view of the product positioning structure and the material shifting mechanism in the present invention; Figure 8 for Figure 7 Side view of Fig. 9 for Figure 7 Stereoscopic image of Fig.10 It is a structural schematic diagram of the clamping and rotating mechanism in the present invention; Fig.11 It is a structural schematic diagram of the clamping and rotating mechanism of the present invention (excluding the base); Fig.12 A top view of the clamping and rotating mechanism of the present invention; Fig.13 It is a structural schematic diagram of the notching power mechanism in the present invention; Fig.14 It is a schematic diagram of the structure of the four-claw cylinder in the present invention; In the figure: bearing outer ring 1, crack induction groove 1-1, oil filling hole 1-2; frame 2, base 2-1, stand 2-2; feed slide 3, guide plate 3-1; product positioning structure 4, back plate 4-1, material shifting groove 4-1-1, positioning platform 4-2, horizontal surface 4-2-1, upper inclined surface 4-2-2, U-shaped surface 4-2-3, lower inclined surface 4-2-4; Slotting power mechanism 5, booster cylinder 5-1, tool 5-2, screw guide rail module 5-3; clamping rotation mechanism 6, bottom support plate 6-1, inclined plate 6-2, loading plate 6-3, rotating motor 6-4, push cylinder 6-5, four-claw cylinder 6-6, clamping claw 6-6-1, guide slide rail 6-7; The material shifting mechanism 7, the first material shifting cylinder 7-1, the second material shifting cylinder 7-2, and the output shaft 7-2-1 of the second material shifting cylinder; the discharging slide 8, the first material dividing cylinder 9, the second material dividing cylinder 10, the first material dividing plate 11, the second material dividing plate 12, the mounting plate 13, the proximity switch 14, the baffle 15, the position sensor 16, the optical fiber sensor 17, the support plate 18, the first waist-shaped hole 18-1, the support rod 19, the second waist-shaped hole 19-1, the guide rod 20, and the threaded rod 21. DETAILED DESCRIPTION

[0039] Example 1 A device for cutting and cracking grooves on the outer ring of a bearing comprises: a frame 2, a feed slide 3, a product positioning structure 4, a groove punching power mechanism 5, a clamping and rotating mechanism 6, a material shifting mechanism 7, and a discharge slide 8.

[0040] 1. The feed chute 3 is arranged at an angle, and its feed end is higher than the discharge end. A guide plate 3-1 is provided at the feed end of the feed chute, and the guide plate is connected with the discharge port of the feeding mechanism, and the discharge end of the feed chute is connected with the product positioning structure.

[0041] In one embodiment of the present invention, a first material dividing cylinder 9, a second material dividing cylinder 10, a first material dividing plate 11, and a second material dividing plate 12 are provided in the middle of the feed slide. The first and second material dividing cylinders are respectively connected to the first and second material dividing plates. The first material dividing plate descends and the second material dividing plate ascends, and a bearing outer ring enters between the two material dividing plates. The first material dividing plate ascends and the second material dividing plate descends, and a bearing outer ring is fed into the product positioning structure, and the bearing outer rings are fed into the positioning table one by one.

[0042] In one embodiment of the present invention, a mounting plate 13 is provided on the upper half of the feed slide, and a proximity switch 14 and a baffle 15 are provided on the mounting plate. The middle part of the baffle is hinged to the mounting plate, and the lower end of the baffle falls on the feed slide under the action of gravity. When the bearing outer ring products on the feed slide are piled up, the baffle is in a flipping state, causing the upper end of the baffle to drop, thereby triggering the proximity switch, and controlling the feeding mechanism to stop discharging through the control unit.

[0043] 2. The product positioning structure 4 includes a back plate 4-1 and a positioning platform 4-2. The front of the back plate is an inclined surface. The positioning platform is arranged obliquely and closely attached to the front of the back plate. A position sensor 16 is provided on the back plate to sense whether there is a bearing outer ring product on the positioning platform.

[0044] The positioning platform includes a horizontal surface 4-2-1, an upper inclined surface 4-2-2, a U-shaped surface 4-2-3, and a lower inclined surface 4-2-4 connected in sequence. The discharge end of the feed slide is placed on the horizontal surface of the positioning platform, the U-shaped surface matches the bearing outer ring 1, and the highest point of the upper inclined surface is lower than the highest point of the lower inclined surface.

[0045] In one embodiment of the present invention, the front side (inclined side) of the back plate 4 - 1 is provided with a plurality of grooves arranged evenly and at intervals, and each groove is arranged horizontally along the back plate.

[0046] 3. The notching power mechanism 5 includes a boost cylinder 5-1 and a tool 5-2. The tool is connected to the output shaft of the boost cylinder through a tool fixing seat, and the tool is located directly above the U-shaped surface of the positioning table. The tool moves downward under the action of the boost cylinder and opens a crack groove at the corresponding position of the outer ring of the bearing.

[0047] In one embodiment of the present invention, the stand 2-2 is installed on the base 2-1, the screw guide rail module 5-3 is vertically arranged on the stand, and the booster cylinder 5-1 is installed on the slider of the screw guide rail module. The height of the booster cylinder is adjusted by driving the screw guide rail module to adjust the processing depth of the tool.

[0048] 4. The clamping and rotating mechanism 6 includes a bottom support plate 6-1, an inclined plate 6-2, a carrier plate 6-3, a rotating motor 6-4, a push cylinder 6-5, and a four-claw cylinder 6-6. The bottom support plate is mounted on the base 2-1, the inclined plate is tilted and fixedly mounted on the bottom support plate, the push cylinder is mounted on the inclined plate, and the push cylinder is connected to the carrier plate by driving, and the carrier plate is slidably assembled with the inclined plate through a pair of guide rails 6-7, and the pair of guide rails are respectively placed on both sides of the push cylinder. The rotating motor is mounted on the carrier plate, and the output shaft of the rotating motor is connected to the four-claw cylinder, the central axis of the four-claw cylinder is perpendicular to the front of the back plate, and is coaxial with the outer ring of the bearing on the positioning table. The outer side surface of the claw 6-6-1 of the four-claw cylinder is an arc surface that matches the inner diameter surface of the outer ring of the bearing.

[0049] In one embodiment of the present invention, a hole finding assembly is provided, including an optical fiber sensor 17, a support plate 18, and a support rod 19. The support plate is vertically fixedly connected to the carrier plate and is provided with a first waist-shaped hole 18-1. The support rod is located on one side of the four-claw cylinder, one end of the support rod is installed at the first waist-shaped hole of the support plate, and the other end is provided with a second waist-shaped hole 19-1, and the optical fiber sensor is installed in the second waist-shaped hole of the support rod. The first waist-shaped hole is convenient for adjusting the radial distance between the optical fiber sensor and the outer ring of the bearing, and the second waist-shaped hole is convenient for adjusting the axial distance between the optical fiber sensor and the outer ring of the bearing.

[0050] In one embodiment of the present invention, a height adjustment component is provided, including four guide rods 20 and two threaded rods 21. The four guide rods are respectively arranged at the four corners of the bottom support plate, and the two threaded rods are respectively arranged on both sides of the bottom support plate; by rotating the threaded rods, the bottom support plate can be adjusted in height with the four-claw cylinder.

[0051] 5. The material-dispensing mechanism 7 includes a first material-dispensing cylinder 7-1 and a second material-dispensing cylinder 7-2. The back plate is provided with a horizontally arranged material-dispensing slot 4-1-1. The first material-dispensing cylinder is installed on the back of the back plate. The output shaft of the first material-dispensing cylinder is horizontally arranged along the radial direction of the outer ring of the bearing and is driven to connect with the second material-dispensing cylinder. The output shaft 7-2-1 of the second material-dispensing cylinder is arranged axially along the outer ring of the bearing and is located in the material-dispensing slot.

[0052] 6. The discharging slide is arranged at an angle, with the feeding end being higher than the discharging end, and the feeding end being connected with the lower slope of the positioning table.

[0053] 7. The control unit is connected to the proximity switch, the position sensor, and the optical fiber sensor for communication, and controls the working status of each cylinder and the rotary motor.

[0054] Example 2 A method for processing a bearing outer ring crack groove device, comprising: 1) Feed The outer rings 1 of the bearings enter the feed slide 3 one by one from the feeding mechanism, and enter the product positioning structure through the feed slide for positioning; 2) Product positioning The outer ring 1 of the bearing enters from the lowest end of the feed slideway, passes through the horizontal surface 4-2-1 of the positioning table and reaches the U-shaped surface 4-2-2 for positioning. At this time, the position sensor 16 triggers a signal and transmits the signal to the control unit; 3) Clamping and rotating The control unit controls the push cylinder 6-5 to extend, pushes the carrier plate 6-3 toward the product positioning structure, makes the claws of the four-claw cylinder 6-6 enter the inner ring of the bearing outer ring 1, and controls the four-claw cylinder to clamp the inner diameter surface of the bearing outer ring; The optical fiber sensor 17 located on one side of the four-claw cylinder senses the position of the oil injection hole of the outer ring of the bearing on the positioning platform; if the oil injection hole is not sensed, the signal is transmitted to the control unit, and the rotary motor drives the outer ring of the bearing clamped by the four-claw cylinder to rotate to an appropriate angle, so that the position of the crack guide groove on the outer ring of the bearing corresponds to the position of the tool above; 4) Slotting After the optical fiber sensor senses the oil filling hole, it transmits the signal to the control unit, controls the four-claw cylinder to loosen the outer ring of the bearing, and controls the push cylinder to drive the carrier plate to reset; After the four-claw cylinder is reset, the boost cylinder 5-1 is controlled to start the downward movement, so that the tool contacts the slotted position of the outer ring of the bearing to complete the slotting; 5) Material selection The boost cylinder 5-1 drives the tool 5-2 to move upward and reset; the output shaft 7-2-1 of the second material-push cylinder is controlled to extend, and the output shaft of the second material-push cylinder passes through the material-push slot and is located on one side of the outer ring of the bearing; the first material-push cylinder 7-1 is controlled to extend, and the output shaft of the second material-push cylinder is driven to move along the length direction of the material-push slot, and the outer ring of the bearing is moved from the U-shaped surface 4-2-3 of the positioning table to the lower inclined surface 4-2-4 of the positioning table, and slides out along the discharge slide and falls into the material frame, and a cycle ends.

Claims

1. A device for opening crack grooves on the outer ring of a bearing, characterized in that: include: The feed chute is arranged obliquely, with the feed end higher than the discharge end; The product positioning structure comprises a back plate and a positioning platform; the positioning platform is placed on the front of the back plate, and the positioning platform comprises a horizontal surface, an upper inclined surface, a U-shaped surface, and a lower inclined surface in sequence; the discharge end of the feed slide is placed on the horizontal surface of the positioning platform, and the U-shaped surface matches the outer ring of the bearing; The slotting power mechanism is installed above the product positioning structure, and includes a power device and a cutter. The cutter moves downward under the action of the power device and opens a crack groove on the outer ring of the bearing. The clamping and rotating mechanism is used to clamp the outer ring of the bearing on the positioning table and rotate it to a suitable angle; The material shifting mechanism is used to shift the slotted outer ring of the bearing from the positioning table to the discharging slideway; The discharging slideway is arranged obliquely, with its feeding end being higher than the discharging end, and its feeding end being connected with the lower slope of the positioning platform; Control unit, controls the working status of each mechanism.

2. The device for cutting crack grooves in the outer ring of a bearing according to claim 1 is characterized in that: The front side of the back plate is an inclined surface, and the positioning platform is arranged obliquely and closely attached to the front side of the back plate.

3. The device for cutting crack grooves in the outer ring of a bearing according to claim 1 is characterized in that: The back plate is provided with a position sensor for sensing whether there is a bearing outer ring on the positioning platform.

4. The device for cutting crack grooves in the outer ring of a bearing according to claim 1 is characterized in that: The power device is a booster cylinder, and the tool is connected to the output shaft of the booster cylinder through a tool fixing seat.

5. The device for cutting crack grooves in the outer ring of a bearing according to claim 1 is characterized in that: The clamping and rotating mechanism includes an inclined plate, a carrier plate, a rotating motor, a pushing cylinder, and a four-claw cylinder; the pushing cylinder is installed on the inclined plate, and the pushing cylinder is drivingly connected to the carrier plate; the carrier plate and the inclined plate are slidably assembled, the rotating motor is installed on the carrier plate, and the output shaft of the rotating motor is connected to the four-claw cylinder.

6. The device for cutting crack grooves in the outer ring of a bearing according to claim 5 is characterized in that: The central axis of the four-claw cylinder is perpendicular to the front side of the back plate and is coaxial with the outer ring of the bearing on the positioning platform.

7. The device for cutting crack grooves in the outer ring of a bearing according to claim 6 is characterized in that: It also includes a hole-finding assembly, including an optical fiber sensor, a support plate, and a support rod; the support plate is vertically fixedly connected to the carrier plate and is provided with a first waist-shaped hole, and the first waist-shaped hole is horizontally arranged along the radial direction of the four-claw cylinder; The support rod is located on one side of the four-claw cylinder and is arranged parallel to the four-claw cylinder; one end of the support rod is installed at the first waist-shaped hole of the support plate, and the other end is provided with a second waist-shaped hole, and the second waist-shaped hole is arranged along the axial direction of the four-claw cylinder. The optical fiber sensor is installed in the second waist-shaped hole of the support rod.

8. The device for cutting crack grooves in the outer ring of a bearing according to claim 1 is characterized in that: The material shifting mechanism comprises a first material shifting cylinder and a second material shifting cylinder; the back plate is provided with a horizontally arranged material shifting slot, the output shaft of the first material shifting cylinder is horizontally arranged and drivingly connected to the second material shifting cylinder; the output shaft of the second material shifting cylinder is axially arranged along the outer ring of the bearing and is located in the material shifting slot.

9. The device for cutting crack grooves in the outer ring of a bearing according to claim 1 is characterized in that: The feeding side of the U-shaped surface is lower than the discharging side.

10. A method for processing a bearing outer ring cracking device according to any one of claims 1 to 9, characterized in that: The following steps are involved: 1) The outer ring of the bearing enters from the lowest end of the feed slideway and reaches the U-shaped surface through the horizontal surface of the positioning table for positioning; 2) Control the push cylinder to extend and push the carrier plate toward the product positioning structure, so that the claws of the four-claw cylinder enter the inner ring of the outer ring of the bearing, and control the four-claw cylinder to clamp the inner diameter surface of the outer ring of the bearing; The optical fiber sensor senses the position of the oil injection hole of the outer ring of the bearing on the positioning table; if the oil injection hole is not sensed, the rotary motor is controlled to drive the outer ring of the bearing clamped by the four-claw cylinder to rotate a certain angle so that the position of the crack guide groove on the outer ring of the bearing corresponds to the position of the tool above; 3) After the optical fiber sensor senses the oil filling hole, it controls the four-claw cylinder to loosen the outer ring of the bearing, and controls the push cylinder to drive the carrier plate to reset; it controls the booster cylinder to start the downward movement, so that the tool contacts the required slotting position of the outer ring of the bearing to complete the slotting; 4) After the cracking groove is opened, the booster cylinder drives the tool to move upward and reset; the material shifting mechanism shifts the outer ring of the bearing from the U-shaped surface of the positioning table to the lower inclined surface, and the outer ring of the bearing slides out along the discharge slide.

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