A processing device and process for the pocket holes of a nodular iron self-aligning roller cage

Abstract

The present invention relates to the technical field of turning equipment, and discloses a processing device and process for the pocket holes of a nodular iron self-aligning roller cage. The processing device for the pocket holes of the nodular iron self-aligning roller cage comprises: a turning mechanism, a clamping mechanism and a flipping mechanism; the turning mechanism comprises a crossbeam assembly with a flipping function, a turning assembly for turning the pocket holes of the cage, and two support beam assemblies with a linear displacement function, and the turning assembly and the flipping mechanism are respectively arranged on two different sides of the crossbeam assembly. By arranging the flipping mechanism to cooperate with the clamping mechanism in an assembled form, during the turning process, the function of quickly and automatically flipping the cage can be realized without the assistance of an external hoisting device and without manual cooperation, reducing the difficulty of flipping the cage, accelerating the flipping speed, and being well applicable to the batch turning processing scenario of extra-large nodular iron self-aligning roller cages.

Description

Technical Field

[0001] The present invention relates to the technical field of turning equipment, and more specifically, it relates to a machining device and process for the pocket holes of a nodular iron self-aligning roller cage. Background Art

[0002] A nodular iron self-aligning roller is a rolling bearing element made of nodular iron material, which has the characteristics of self-aligning, shock and vibration resistance, wear and corrosion resistance, and low noise, and is widely used in self-aligning roller bearings, tapered roller bearings, and spherical roller bearings. The nodular iron self-aligning roller cage is a component used to evenly distribute the nodular iron self-aligning rollers and maintain their correct positions in the bearing. Through the evenly arranged pocket holes on the cage that are adapted to the self-aligning rollers, the self-aligning rollers are separated, which plays the roles of maintaining the roller spacing, preventing the rollers from falling off, guiding the roller movement, and reducing noise in the bearing, so as to ensure the normal operation and service life of the bearing.

[0003] In the related art, a turning machining device is generally used to process the pocket holes of a nodular iron self-aligning roller cage. When machining a super-large nodular iron self-aligning roller cage, since pocket holes need to be machined on both its top and bottom, when using a traditional turning machining device, after one side is machined, the cage needs to be flipped. Since the traditional turning machining device requires sufficient machining operation space and needs to adapt to different types of workpieces to be machined, it is not suitable to add a special supporting flipping mechanism on the original structure basis. Therefore, generally, the flipping operation of the cage is completed by the cooperation of an external lifting device and manual labor. Due to the size and gravity of the cage, the operation difficulty of this flipping method is relatively large, and it takes a long time. During the flipping process, the lifting device and manual labor need to be highly coordinated, and it is difficult to be applicable to the batch machining environment of super-large nodular iron self-aligning roller cages. Therefore, there is an urgent need for a pocket hole machining device with an automatic flipping function that does not affect the machining operation space and is applicable to the batch machining of super-large nodular iron self-aligning roller cages. Summary of the Invention

[0004] The purpose of the present invention is to provide a machining device and process for the pocket holes of a nodular iron self-aligning roller cage to solve the above-mentioned technical problems.

[0005] The present invention solves the above-mentioned existing technical problems through the following technical solutions:

[0006] The first aspect of the present invention discloses a machining device for the pocket holes of a nodular iron self-aligning roller cage, including: a base, a turning mechanism, a clamping mechanism, and a flipping mechanism;

[0007] The turning mechanism includes a crossbeam assembly with a flipping function, a turning assembly for turning the pocket holes of the cage, and two support beam assemblies with linear displacement functions. The turning assembly and the flipping mechanism are respectively arranged on two different sides of the crossbeam assembly;

[0008] The clamping mechanism includes a fixture for clamping and fixing the cage, a rotating platform with a rotating function, and at least two locking assemblies. The fixture and the rotating platform are detachably assembled together. The locking assemblies are used to lock the assembled fixture and the rotating platform. The locking assemblies include locking members and unlocking members, and the locking members are arranged on the rotating platform;

[0009] The flipping mechanism includes a bidirectional telescopic assembly and flipping driving assemblies with the same number as the locking assemblies. The two flipping driving assemblies are respectively fixedly connected to the two telescopic ends of the bidirectional telescopic assembly. The unlocking members are correspondingly installed on the flipping driving assemblies. The bidirectional telescopic assembly drives the flipping driving assemblies to dock with the outside of the fixture, so that the unlocking members trigger the corresponding locking members to release the locking effect on the fixture. The flipping driving assemblies drive the fixture and the cage to move up and flip by a preset angle together.

[0010] As a further optimized solution of the present invention, the locking member includes a plug connector, a clamping body, and a support spring. The plug connector is fixedly installed at the bottom of the fixture. A plugging groove is arranged inside the fixture. The clamping body is slidably installed in the plugging groove. The support spring is fixedly installed between the clamping body and the inner wall of the plugging groove. The bottom end of the plug connector is slidably plugged into the plugging groove. The clamping body is slidably clamped in cooperation with one side of the plug connector. A first inclined surface groove is arranged on one side of the clamping body. The unlocking member is a contact plate with an inclined surface adapted to the first inclined surface groove at one end.

[0011] As a further optimized solution of the present invention, the fixture includes a support ring body, a plurality of linear telescopic members with the same quantity, and clamping plates. The support ring body is located at the top of the rotating platform. The plurality of linear telescopic members are circumferentially and evenly distributed on the outer ring surface of the support ring body. The plurality of clamping plates are circumferentially and evenly distributed inside the support ring body, and the telescopic ends of the plurality of linear telescopic members are fixedly connected to one side of the plurality of clamping plates.

[0012] As a further optimized solution of the present invention, the flipping driving assembly includes a fixed frame body, a linear lifting member, a docking member, and a flipping driving member. The fixed frame body is fixedly connected to the telescopic end of the bidirectional telescopic assembly. The top of the fixed frame body is slidably connected to one side of the crossbeam assembly. The docking member is slidably installed on the fixed frame body and is used for mating and docking with the outside of the fixture. Both the linear lifting member and the flipping driving member are connected to the docking member. The unlocking member is installed on one side of the fixed frame body. The bidirectional telescopic assembly drives the two fixed frame bodies to approach both sides of the fixture, so that the docking member is docked with the outside of the fixture. The unlocking member triggers the locking member to release the locking of the fixture. The linear lifting member drives the docking member and the cage to move upward together. After the cage reaches the preset height, the flipping driving member drives the docking member and the cage to flip a preset angle.

[0013] As a further optimized solution of the present invention, the docking member includes a sliding seat and a docking head. A chute is provided on one side of the fixed frame body. The outside of the sliding seat is slidably connected to the inside of the chute. The docking head is rotatably installed on one side of the sliding seat. A mating shaft adapted to the docking head is fixedly installed on the outside of the fixture.

[0014] As a further optimized solution of the present invention, the flipping driving member includes a mating gear and an installation housing. The mating gear is fixedly sleeved on the outside of the docking head. The installation housing is fixedly installed at the upper end of the fixed frame body. A number of tooth blocks adapted to the mating gear are linearly and equidistantly rotatably installed inside the installation housing. A torsion spring is installed between the rotating end of the tooth block and the inner wall of the installation housing. A limiting groove body is provided at one end of the tooth block close to the torsion spring. A number of limiting blocks corresponding to the tooth blocks one by one are fixedly installed on one side of the inner wall of the installation housing close to the limiting groove body. One end of the limiting block contacts the upper end of the inner wall of the corresponding limiting groove body.

[0015] As a further optimized solution of the present invention, the linear lifting member includes a driving motor and a transmission lead screw. The driving motor is fixedly installed at the top of the fixed frame body. The bottom end of the transmission lead screw is rotatably connected to the inner bottom wall of the chute, and its top end is fixedly connected to the driving end of the driving motor. The sliding seat is threadedly sleeved on the outside of the transmission lead screw.

[0016] As a further optimized solution of the present invention, the docking member further includes a pressing plate, a clamping shaft, and a return spring. The pressing plate is fixedly installed at the upper end of the inner wall of the chute. An extrusion inclined surface is provided at the bottom end of the pressing plate. The clamping shaft is slidably installed in the sliding seat. The return spring is fixedly installed between the clamping shaft and the sliding seat. A second inclined surface groove body adapted to the extrusion inclined surface is provided on one side of the clamping shaft. A mating clamping hole is provided on one side of the mating gear. One end of the clamping shaft is slidably clamped with the mating clamping hole.

[0017] As a further optimized solution of the present invention, the crossbeam assembly includes a rotating motor and a crossbeam. Both ends of the crossbeam are respectively rotatably connected to two support beam assemblies. The rotating motor is fixedly installed on one side of one of the support beam assemblies, and the rotating end of the rotating motor is fixedly connected to one end of the crossbeam.

[0018] The second aspect of the present invention discloses a processing technology for the pocket holes of a nodular iron self-aligning roller cage, including the following operating steps:

[0019] S1. Place the cage on the working position to be processed, and squeeze and fix the middle part of the outer ring surface of the cage.

[0020] S2. Use a slot milling cutter to perform step roughing according to the shape of the pocket holes, control the roughing allowance at the upper and lower ends to be 0.5 mm, and process to form preliminary pocket holes.

[0021] S3. After completing the processing of one set of preliminary pocket holes, drive the cage to rotate so that the next pocket hole to be processed on the cage reaches the preset processing position. Repeat this operation until all the preliminary pocket holes on the top surface of the cage are processed.

[0022] S4. Replace the forming boring cutter and perform finish boring on the preliminary pocket holes in sequence to remove the roughing allowance and obtain the formed pocket holes with the required dimensions. Repeat this operation until all the preliminary pocket holes are processed into formed pocket holes.

[0023] S5. Lift the cage in the fixed state to make it away from the processing position. After the cage rises to the preset height, drive the cage to flip 180 degrees so that the bottom of the cage flips upwards, and then drive the cage to move down and reset to the working position to be processed.

[0024] S6. Repeat the above S2 - S4 operations to complete the processing of the formed pocket holes on the other side of the cage.

[0025] The beneficial effects of the present invention are as follows:

[0026] By setting the flipping mechanism to cooperate with the clamping mechanism in an assembled form, the present invention can realize the function of quickly and automatically flipping the cage. Among them, by arranging the flipping mechanism and the turning component at different side positions of the crossbeam assembly, when the turning component is processing, the flipping mechanism is located above the base, which will not occupy the moving space of the base and will not interfere with the processing of the turning component. When it is necessary to flip the cage, the positions of the flipping mechanism and the turning component can be swapped by rotating the crossbeam assembly, so that the flipping mechanism can directly drive the fixture and the cage to flip together, without the need for external hoisting equipment assistance or manual cooperation, reducing the difficulty of flipping the cage, accelerating the flipping speed, and being well applicable to the batch processing scenario of extra-large nodular iron self-aligning roller cages. Brief Description of the Drawings

[0027] Figure 1 is a schematic structural diagram of a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0028] Figure 2 is a schematic structural diagram between the turning mechanism and the flipping mechanism in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0029] Figure 3 is a schematic structural diagram of the clamping mechanism in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0030] Figure 4 is a schematic structural diagram of the rotating platform in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0031] Figure 5 is the present invention Figure 4 partial enlarged schematic diagram at A;

[0032] Figure 6 is a schematic structural diagram of the locking assembly in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0033] Figure 7 is a schematic structural diagram between the flipping mechanism and the fixture in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0034] Figure 8 is a schematic structural diagram of the flipping drive assembly in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0035] Figure 9 is a schematic structural diagram of the interior of the mounting housing in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0036] Figure 10 is a schematic structural diagram between the sliding seat and the docking member in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0037] Figure 11 is a schematic structural diagram between the docking member, the mating gear and the clamping shaft in a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0038] Figure 12 is a schematic diagram of the usage state switching of a machining device for the pocket holes of a nodular iron self-aligning roller cage provided by the present invention;

[0039] Figure 13 is a schematic flow diagram of the existing pocket hole machining process;

[0040] Figure 14 It is a schematic flow chart of the processing technology of the pocket holes of the nodular iron self-aligning roller cage provided by the present invention.

[0041] In the figure: 1. Base; 2. Turning mechanism; 21. Cross beam assembly; 211. Rotating motor; 212. Cross beam; 22. Turning assembly; 23. Support beam assembly; 3. Clamping mechanism; 31. Fixture; 311. Support ring body; 312. Linear telescopic member; 313. Clamping plate; 32. Rotating platform; 33. Locking assembly; 331. Plug connector; 332. Clamping body; 333. Support spring; 334. Plugging groove; 335. First inclined groove body; 336. Contact plate; 4. Flipping mechanism; 41. Bidirectional telescopic assembly; 42. Flipping driving assembly; 421. Fixed frame body; 422. Sliding seat; 423. Docking head; 424. Chute; 425. Matching shaft; 426. Matching gear; 427. Installation shell; 428. Tooth block; 429. Torsion spring; 4210. Limit groove body; 4211. Limit block; 4212. Driving motor; 4213. Transmission lead screw; 4214. Extrusion plate; 4215. Clamping shaft; 4216. Return spring; 4217. Second inclined groove body; 4218. Matching clamping hole; 5. Cage; 6. Hollow drill; 7. Forming boring tool; 8. Formed pocket hole; 9. Insert milling cutter; a. Roughing aperture of the hollow drill; b. Stock left after roughing with the hollow drill; c. Roughing aperture of the insert milling cutter; d. Stock left after roughing with the insert milling cutter. Specific embodiments

[0042] Now, the subject matter described herein will be discussed with reference to exemplary embodiments. It should be understood that discussing these embodiments is only to enable those skilled in the art to better understand and thus implement the subject matter described herein. Without departing from the scope of protection of the content of this specification, changes can be made to the functions and arrangements of the elements discussed. Each example can omit, substitute, or add various processes or components as needed. Additionally, the features described relative to some examples can also be combined in other examples. Embodiment 1

[0043] Please refer to Figures 1 to 3, in the first aspect of the present invention, a machining device for the pocket holes of a nodular iron self-aligning roller cage is disclosed, including: a base 1, a turning mechanism 2, a clamping mechanism 3 and a flipping mechanism 4. The turning mechanism 2 includes a crossbeam assembly 21 with a flipping function, a turning assembly 22 for turning the pocket holes of the cage 5, and two support beam assemblies 23 with a linear displacement function. The turning assembly 22 and the flipping mechanism 4 are respectively arranged on two different sides of the crossbeam assembly 21. The two ends of the crossbeam assembly 21 are respectively connected to the tops of the two support beam assemblies 23. The bottoms of the support beam assemblies 23 are slidably connected to the top of the base 1. A translation mechanism is provided on the turning assembly 22 to enable it to translate along the crossbeam assembly 21. A power mechanism is provided on the support beam assemblies 23 to enable the entire turning mechanism 2 to translate on the top of the base 1. Since they all belong to the prior art, the specific structures of the turning assembly 22 and the support beam assemblies 23 are not disclosed herein.

[0044] The clamping mechanism 3 includes a fixture 31 for clamping and fixing the cage 5, a rotating platform 32 with a rotating function, and two locking components 33. The fixture 31 and the rotating platform 32 are detachably assembled together. The locking components 33 are used to lock the assembled fixture 31 and the rotating platform 32. The locking components 33 include locking parts and unlocking parts. The locking parts are arranged on the rotating platform 32. The rotating platform 32 is installed on the top of the base 1. The rotating platform 32 is driven to rotate by a driving source. Since it belongs to the prior art, the specific structure is not disclosed herein.

[0045] The flipping mechanism 4 includes a bidirectional telescopic component 41 and the same number of flipping driving components 42 as the locking components 33. The fixed end of the bidirectional telescopic component 41 is connected to one side of the crossbeam assembly 21. The bidirectional telescopic component 41 can be a bidirectional cylinder. The two flipping driving components 42 are respectively fixedly connected to the two telescopic ends of the bidirectional telescopic component 41. The unlocking parts are correspondingly installed on the flipping driving components 42. By driving the flipping driving components 42 by the bidirectional telescopic component 41 to dock with the outside of the fixture 31, the unlocking parts trigger the corresponding locking parts to release the locking effect on the fixture 31. The fixture 31 and the cage 5 are driven by the flipping driving components 42 to move up and flip by a preset angle.

[0046] It should be noted that when the above-mentioned processing device performs pocket machining on the cage 5, first place the cage 5 on the top surface of the rotating platform 32, and fix the middle part of the outer ring surface of the cage 5 by the fixture 31. Then, the support beam assembly 23 translates on the top of the base 1, driving the cross beam assembly 21 and the turning assembly 22 to move together until the turning assembly 22 reaches the machining position of the cage 5, and then the turning assembly 22 performs pocket machining on the cage 5. After the top surface of the cage 5 is machined, it is necessary to turn over the cage 5 and machine the other side. At this time, by rotating the cross beam assembly 21, the turning assembly 22 can be driven to turn upwards away from the cage 5, while the turning mechanism 4 turns downwards synchronously close to the cage 5. After the turning mechanism 4 rotates to the position aligned with the fixture 31, the cross beam assembly 21 stops rotating (the state after the turning mechanism 4 is switched can be referred to in the appendix Figure 12 ), the two turning driving components 42 are respectively driven by the bidirectional telescopic component 41 to translate simultaneously close to the outside of the fixture 31. During the docking process of the bottom end of the turning driving component 42 with the outside of the fixture 31, the unlocking part moves close to the locking part following the turning driving component 42. After the turning driving component 42 is completely docked with the fixture 31, it just makes the unlocking part trigger the locking part to release the locking effect on the fixture 31. Then, driven by the two turning driving components 42 together, first drive the fixture 31 and the cage 5 to move up to a preset height together. This preset height is at least greater than the diameter of the fixture 31 to enable the fixture 31 to have a suitable turning space. Then, drive the fixture 31 and the cage 5 to turn 180 degrees together through the turning driving component 42. Then, drive the fixture 31 and the cage 5 to move down together through the turning driving component 42, so that the fixture 31 is assembled with the rotating platform 32 again, and the bottom of the cage 5 contacts the top surface of the rotating platform 32. Drive the two turning driving components 42 to translate and separate from both sides of the fixture 31 through the bidirectional telescopic component 41, and the unlocking part moves away from the locking part following the turning driving component 42, so that the locking part locks the fixture 31 again, completing the turning operation of the cage 5. Then, rotate the cross beam assembly 21 to make the turning assembly 22 turn downwards to reset, and the turning mechanism 4 turns upwards synchronously to reset. Then, perform pocket machining on the other side of the cage 5 through the turning assembly 22. After the machining is completed, take out the cage 5.

[0047] Thus, by setting the flipping mechanism 4 to cooperate with the clamping mechanism 3 in an assembled form, the present invention can achieve the function of quickly and automatically flipping the cage 5. Among them, by arranging the flipping mechanism 4 and the turning component 22 at different side positions of the crossbeam component 21, when the turning component 22 is processing, the flipping mechanism 4 is located above the base 1, which will not occupy the moving space of the base 1 and will not interfere with the processing of the turning component 22. When it is necessary to flip the cage 5, the positions of the flipping mechanism 4 and the turning component 22 can be swapped by rotating the crossbeam component 21, so that the flipping mechanism 4 can drive the fixture 31 and the cage 5 to flip together, without the need to rely on external hoisting equipment assistance or manual cooperation, reducing the difficulty of flipping the cage 5, accelerating the flipping speed, and being well applicable to the batch processing scenario of extra-large nodular iron spherical roller cages 5.

[0048] Please refer to Figures 4 to 6 , the locking part includes a plug connector 331, a clamping body 332 and a support spring 333. The plug connector 331 is fixedly installed at the bottom of the fixture 31. An insertion slot 334 is provided inside the fixture 31. The clamping body 332 is slidably installed in the insertion slot 334. The support spring 333 is fixedly installed between the clamping body 332 and the inner wall of the insertion slot 334. The bottom end of the plug connector 331 is slidably inserted into the insertion slot 334. The clamping body 332 is slidably clamped in cooperation with one side of the plug connector 331. A first inclined surface groove 335 is provided on one side of the clamping body 332. The unlocking part is a contact plate 336 with an inclined surface adapted to the first inclined surface groove 335 at one end.

[0049] It should be noted that during the process of the flipping drive assembly 42 docking with the outside of the fixture 31, the contact plate 336 moves together with the flipping drive assembly 42 and gradually approaches the clamping body 332. When the end of the contact plate 336 contacts the first inclined surface groove 335 on the clamping body 332, as the contact plate 336 continues to move, it begins to exert an extrusion force on the clamping body 332, causing the clamping body 332 to start sliding away from the plug connector 331, and the support spring 333 is compressed due to the extrusion of the clamping body 332. After the flipping drive assembly 42 and the fixture 31 are fully docked, the clamping body 332 is exactly completely separated from the plug connector 331, thereby releasing the locking effect on the fixture 31. Subsequently, the flipping drive assembly 42 can drive the fixture 31 and the cage 5 to move upward and flip together. After the cage 5 is flipped, the plug connector 331 follows the fixture 31 to move downward and is assembled with the top of the rotating platform 32 again and is inserted into the insertion slot 334 synchronously. After the flipping drive assembly 42 is separated from the fixture 31, the contact plate 336 is separated from the first inclined surface groove, and the clamping body 332 is reset under the elastic force of the support spring 333 and is clamped with the plug connector 331 again. In this way, by cooperating with the flipping drive assembly 42, the locking assembly 33 realizes the synchronous adaptive switching function between the use states of the flipping drive assembly 42 and the locking assembly 33, enabling the docking of the flipping drive assembly 42 and the fixture 31, the unlocking of the fixture 31, the separation of the flipping drive assembly 42 and the fixture 31, and the locking action of the fixture 31 to proceed in an orderly manner, without the need for manual active control switching or setting program collaborative control, which is very convenient to use.

[0050] Please refer to Figure 7 , the fixture 31 includes a support ring body 311, four linear telescopic members 312 with the same quantity, and a clamping plate 313. The support ring body 311 is located at the top of the rotating platform 32. The four linear telescopic members 312 are circumferentially and evenly distributed on the outer ring surface of the support ring body 311. The linear telescopic member 312 can be a cylinder. The four clamping plates 313 are circumferentially and evenly distributed inside the support ring body 311, and the telescopic ends of the four linear telescopic members 312 are fixedly connected to one side of the four clamping plates 313. A protective layer made of rubber is provided on the inner side of the clamping plate 313.

[0051] It should be noted that when the above fixture 31 clamps and fixes the cage 5, after the cage 5 is placed on the top surface of the rotating platform 32, by simultaneously extending the four linear telescopic members 312, the four clamping plates 313 can be driven to approach the outer ring surface of the cage 5 synchronously. Under the combined pushing action of the four clamping plates 313, if the cage 5 is not in the standard installation position, the cage 5 can be pushed to the standard position. When the cage 5 is no longer pushed, the cage 5 remains in a fixed state.

[0052] Please refer to Figure 7, the flipping driving assembly 42 includes a fixed frame 421, a linear lifting member, a docking member, and a flipping driving member. The fixed frame 421 is fixedly connected to the telescopic end of the bidirectional telescopic assembly 41. The top of the fixed frame 421 is slidably connected to one side of the crossbeam assembly 21. The docking member is slidably mounted on the fixed frame 421 and is used for mating and docking with the outside of the fixture 31. Both the linear lifting member and the flipping driving member are connected to the docking member. The unlocking member is installed on one side of the fixed frame 421. By driving the two fixed frames 421 by the bidirectional telescopic assembly 41 to approach both sides of the fixture 31, the docking member is docked with the outside of the fixture 31, and the unlocking member triggers the locking member to release the locking of the fixture 31. The docking member and the cage 5 are driven by the linear lifting member to move upward together. After the cage 5 reaches the preset height, the docking member and the cage 5 are driven by the flipping driving member to flip by a preset angle.

[0053] Specifically, please refer to Figures 8 to 9 , the docking member includes a sliding seat 422 and a docking head 423. A chute 424 is provided on one side of the fixed frame 421. The outside of the sliding seat 422 is slidably connected to the inside of the chute 424. The docking head 423 is rotatably mounted on one side of the sliding seat 422. A mating shaft 425 adapted to the docking head 423 is fixedly installed on the outside of the fixture 31. The flipping driving member includes a mating gear 426 and a mounting housing 427. The mating gear 426 is fixedly sleeved on the outside of the docking head 423. The mounting housing 427 is fixedly installed at the upper end of the fixed frame 421. A number of tooth blocks 428 adapted to the mating gear 426 are linearly and equidistantly rotatably mounted inside the mounting housing 427. A torsion spring 429 is installed between the rotating end of the tooth block 428 and the inner wall of the mounting housing 427. A limiting groove body 4210 is provided at one end of the tooth block 428 close to the torsion spring 429. A number of limiting blocks 4211 corresponding to the tooth blocks 428 one by one are fixedly installed on one side of the inner wall of the mounting housing 427 close to the limiting groove body 4210. One end of the limiting block 4211 contacts the upper end of the inner wall of the corresponding limiting groove body 4210. The linear lifting member includes a driving motor 4212 and a transmission lead screw 4213. The driving motor 4212 is fixedly installed on the top of the fixed frame 421. The bottom end of the transmission lead screw 4213 is rotatably connected to the inner bottom wall of the chute 424, and its top end is fixedly connected to the driving end of the driving motor 4212. The sliding seat 422 is threadedly sleeved on the outside of the transmission lead screw 4213.

[0054] It should be noted that when the above-mentioned flipping drive assembly 42 is in use, under the rotational action of the crossbeam assembly 21, the flipping drive assembly 42 is aligned with the fixture 31. At this time, the docking head 423 and the mating shaft 425 are kept aligned. Then, by the contraction of the bidirectional telescopic assembly 41, the two fixed frames 421 can be driven to translate and approach the fixture 31 simultaneously. After the docking head 423 is docked with the corresponding mating shaft 425, the flipping drive assembly 42 is successfully docked with the fixture 31. At this time, the fixture 31 has also been unlocked. By the forward rotation of the drive motor 4212, the transmission lead screw 4213 can be driven to rotate synchronously. The sliding seat 422 then starts to move upward along the chute 424 under the driving action of the transmission lead screw 4213. The docking head 423 and the mating gear 426 move upward together with the sliding seat 422. The fixture 31 and the cage 5 move upward together under the joint driving action of the two docking heads 423. When the mating gear 426 meshes with the lowermost tooth block 428, since the tooth block 428 is subjected to an upward thrust from the mating gear 426, and the tooth block 428 cannot rotate upward under the cooperative restraint of the limit groove body 4210 and the limit block 4211, during the upward movement of the mating gear 426, the tooth block 428 does not rotate, but drives the mating gear 426 to rotate. The docking head 423 then rotates together with the mating gear 426, finally causing the fixture 31 and the cage 5 to flip together. When the mating gear 426 separates from the uppermost tooth block 428, the fixture 31 has just flipped 180 degrees. Then, by the reverse rotation of the drive motor 4212, the sliding seat 422, the docking head 423, and the mating gear 426 move downward together, and drive the fixture 31 and the cage 5 to move downward. When the mating gear 426 contacts the uppermost tooth block 428, a downward thrust is generated on the tooth block 428, causing the tooth block 428 to start rotating downward. The torsion spring 429 is then synchronously tightened under the rotational action of the tooth block 428. Therefore, during the downward movement of the mating gear 426, the tooth block 428 does not generate a rotational driving force on the mating gear 426, so that the mating gear 426 does not rotate during the downward movement. When the mating gear 426 separates from the tooth block 428, under the elastic force of the torsion spring 429, the tooth block 428 can be driven to rotate back to its original position until the sliding seat 422 slides to the bottom of the chute 424, so that the fixture 31 is assembled with the rotating platform 32 again. In this way, through the drive of the flipping drive assembly 42, the flipping action of the cage 5 is completed. Its flipping process is completed during the upward movement of the cage 5, without the need to rely on external lifting equipment and manual cooperative operation, and can realize the rapid flipping action of the cage 5.

[0055] Please refer to Figure 8 , Figure 10 and Figure 11, the docking component further includes a pressing plate 4214, a clamping shaft 4215 and a return spring 4216. The pressing plate 4214 is fixedly installed at the upper end of the inner wall of the chute 424. The bottom end of the pressing plate 4214 is provided with a pressing inclined surface. The clamping shaft 4215 is slidably installed in the sliding seat 422. The return spring 4216 is fixedly installed between the clamping shaft 4215 and the sliding seat 422. One side of the clamping shaft 4215 is provided with a second inclined surface groove 4217 adapted to the pressing inclined surface. One side of the mating gear 426 is provided with a mating clamping hole 4218. One end of the clamping shaft 4215 is slidably clamped with the mating clamping hole 4218.

[0056] It should be noted that before the mating gear 426 contacts the tooth block 428, the mating gear 426 can be locked by clamping the clamping shaft 4215 with the mating clamping hole 4218 on the mating gear 426, so that it cannot rotate, and the docking head 423 cannot rotate either. In this way, the fixture 31 and the cage 5 can be prevented from rotating relative to each other before moving up to the flipping position, but remain in a horizontal stable state, which can improve the stability of the cage 5. Before the mating gear 426 meshes with the lowermost tooth block 428, the bottom end of the pressing plate 4214 first contacts the second inclined surface groove 4217 on the clamping shaft 4215. As the sliding seat 422 continues to move up, the clamping shaft 4215 is subjected to the pressing force of the pressing plate 4214, starts to contract towards the inside of the sliding seat 422 and gradually moves away from the mating clamping hole 4218. The return spring 4216 starts to contract under the extrusion of the extrusion block of the clamping shaft 4215. When the mating gear 426 is about to mesh with the lowermost tooth block 428, the clamping shaft 4215 is just separated from the mating clamping hole 4218, releasing the locking effect on the mating gear 426, so that the mating gear 426 can rotate under the driving action of the tooth block 428 until the mating gear 426 moves up and separates from the uppermost tooth block 428. At this time, the pressing plate 4214 still maintains the pressing action on the clamping shaft 4215. When the mating gear 426 moves down and resets, after the pressing plate 4214 separates from the second inclined surface groove 4217, the clamping shaft 4215 automatically resets under the elastic force of the return spring 4216, and finally the clamping shaft 4215 is clamped with the mating clamping hole 4218 again, locking the mating gear 426 again, so that the fixture 31 and the cage 5 remain stable when moving down, ensuring that the fixture 31 can be successfully assembled with the rotating platform 32.

[0057] Please refer to Figure 2 , the crossbeam assembly 21 includes a rotating motor 211 and a crossbeam 212. The two ends of the crossbeam 212 are respectively rotatably connected to two support beam assemblies 23. The rotating motor 211 is fixedly installed on one side of one of the support beam assemblies 23, and the rotating end of the rotating motor 211 is fixedly connected to one end of the crossbeam 212.

[0058] It should be noted that when the flipping mechanism 4 and the turning assembly 22 need to be swapped, the motor 211 can be rotated to drive the beam 212, the turning assembly 22 and the flipping mechanism 4 to rotate together. After the beam 212 rotates ninety degrees, the flipping mechanism 4 moves to the position of the turning assembly 22. Embodiment 2

[0059] like Figure 13 As shown, when the above-mentioned processing device is used to process the pockets using the existing process, the processing method is: first use the hollow drill 6 to perform roughing treatment on the retaining frame 5 with a hole diameter of a and a roughing reserve of b, and then use the forming boring tool 7 for one fine boring. However, the problem with this processing technology is that since the pocket shape of the retaining frame 5 is large at the upper end and small at the lower end, forming a funnel shape, the hollow drill 6 can only select the tool according to the size of the lower end of the pocket, and the roughing reserve at the upper end is much larger than the roughing reserve at the lower end, which will not only lead to a large processing amount of the forming tool and severe tool wear, but also affect the dimensional accuracy of the pocket, resulting in a short tool life, and due to the small feed rate, the overall processing efficiency is low. Based on this, the present invention also provides a processing technology for the pockets of a ductile iron spherical roller retainer, which can be applied to the above-mentioned ductile iron spherical roller retainer pocket processing device, and includes the following operating steps:

[0060] S1, placing the retainer 5 on the workstation to be processed, and squeezing and fixing the middle part of the outer ring surface of the retainer 5;

[0061] S2, using a plunge milling cutter 9 to perform step roughing with a roughing hole diameter c according to the shape of the pocket hole, controlling the roughing allowance d at the upper and lower ends to be controlled at 0.5 mm, and processing to form a preliminary pocket hole;

[0062] S3, after completing one preliminary pocket hole processing, the cage 5 is driven to rotate so that the next pocket hole to be processed of the cage 5 reaches the preset processing station, and the operation is repeated until all the preliminary pocket holes on the top surface of the cage 5 are processed;

[0063] S4, replacing the forming boring tool 7, and performing fine boring processing on the preliminary pocket holes in sequence, removing the roughing allowance, and obtaining the forming pocket holes 8 of the required size, and repeating the operation until all the preliminary pocket holes are processed into the forming pocket holes 8;

[0064] S5, lifting the holder 5 in the fixed state to move it away from the processing station, and after the holder 5 rises to a preset height, driving the holder 5 to flip 180 degrees, so that the bottom of the holder 5 turns upward, and then driving the holder 5 to move down and reset to the processing station;

[0065] S6. Repeat the above-mentioned S2-S4 operations to complete the forming pocket 8 processing on the other side of the retainer 5.

[0066] It should be noted that ifFigure 14 As shown in the figure, when using the improved pocket hole processing technology described above, roughing is carried out by changing to a slot milling cutter 9. Since the cutter diameter of the slot milling cutter 9 is smaller than the minimum size at the opening of the pocket hole, stepped roughing can be carried out according to the shape of the pocket hole, and the roughing allowance at the upper and lower ends is controlled at about 0.5 mm, so that the tool wear is small, the service life of the tool can be extended. At the same time, the machining allowance left for finish boring after roughing with the slot milling cutter 9 is very small, and then the finish boring is carried out by using a profiling boring cutter 7 to the finished size. Since the finish boring machining amount is small, compared with the existing processing technology, the overall processing efficiency has been significantly improved.

[0067] The embodiments of the specific implementation manners have been described above, but the present embodiment is not limited to the above specific implementation manners. The above specific implementation manners are only illustrative and not restrictive. Under the inspiration of this embodiment, those of ordinary skill in the art can also make many forms, all of which fall within the protection scope of this embodiment.

Claims

1. A ductile iron spherical roller cage pocket processing device, characterized in that: include: A base (1), a turning mechanism (2), a clamping mechanism (3) and a turning mechanism (4); The turning mechanism (2) comprises a crossbeam assembly (21) having a flipping function, a turning assembly (22) for performing pocket turning on a retaining frame (5), and two support beam assemblies (23) having a linear displacement function, wherein the turning assembly (22) and the flipping mechanism (4) are respectively arranged on two different sides of the crossbeam assembly (21); The clamping mechanism (3) comprises a clamp (31) for clamping and fixing the retaining frame (5), a rotating platform (32) having a rotating function, and at least two locking components (33); the clamp (31) and the rotating platform (32) are detachably assembled together; the locking components (33) are used to lock the assembled clamp (31) and the rotating platform (32); the locking components (33) comprise a locking member and an unlocking member; the locking member is partially arranged on the rotating platform (32); The flipping mechanism (4) comprises a bidirectional telescopic component (41) and a flipping driving component (42) having the same number as the locking component (33), wherein the two flipping driving components (42) are respectively fixedly connected to the two telescopic ends of the bidirectional telescopic component (41), and the unlocking member is correspondingly mounted on the flipping driving component (42). The bidirectional telescopic component (41) drives the flipping driving component (42) to dock with the outer side of the clamp (31), so that the unlocking member triggers the corresponding locking member to release the locking effect on the clamp (31), and the clamp (31) and the retaining frame (5) are driven to move upward and flip by a preset angle through the flipping driving component (42).

2. A ductile iron spherical roller cage pocket processing device according to claim 1, characterized in that: The locking member comprises a plug connector (331), a clamping body (332) and a supporting spring (333); the plug connector (331) is fixedly mounted on the bottom of the clamp (31); a plugging groove (334) is provided inside the clamp (31); the clamping body (332) is slidably mounted in the plugging groove (334); the supporting spring (333) is fixedly mounted between the clamping body (332) and the inner wall of the plugging groove (334); the bottom end of the plug connector (331) is slidably mounted in the plugging groove (334); the clamping body (332) is slidably mounted on one side of the plug connector (331); a first inclined groove (335) is provided on one side of the clamping body (332); and the unlocking member is a contact plate (336) having an inclined surface at one end thereof matching the first inclined groove (335).

3. A ductile iron spherical roller cage pocket processing device according to claim 2, characterized in that: The clamp (31) comprises a supporting ring body (311), a plurality of linear telescopic members (312) of the same number and a clamping plate (313); the supporting ring body (311) is located on the top of the rotating platform (32); the plurality of linear telescopic members (312) are evenly distributed on the outer ring surface of the supporting ring body (311); the plurality of clamping plates (313) are evenly distributed on the inner side of the supporting ring body (311); and the telescopic ends of the plurality of linear telescopic members (312) are fixedly connected to one side of the plurality of clamping plates (313).

4. A ductile iron spherical roller cage pocket processing device according to claim 3, characterized in that: The flip driving component (42) comprises a fixed frame (421), a linear lifting member, a docking member and a flip driving member, wherein the fixed frame (421) is fixedly connected to the telescopic end of the bidirectional telescopic component (41), the top of the fixed frame (421) is slidably connected to one side of the crossbeam component (21), the docking member is slidably mounted on the fixed frame (421) and is used to cooperate with and dock with the outer side of the clamp (31), the linear lifting member and the flip driving member are both connected to the docking member, the unlocking member is mounted on one side of the fixed frame (421), and the two fixed frames (421) are driven to approach the two sides of the clamp (31) through the bidirectional telescopic component (41) so that the docking member docks with the outer side of the clamp (31), the unlocking member triggers the locking member to release the clamp (31), and the docking member and the retaining frame (5) are driven to move upward together through the linear lifting member, and after the retaining frame (5) reaches a preset height, the flip driving member drives the docking member and the retaining frame (5) to flip together to a preset angle.

5. A ductile iron spherical roller cage pocket processing device according to claim 4, characterized in that: The docking member comprises a sliding seat (422) and a docking head (423); a sliding groove (424) is provided on one side of the fixed frame (421); the outer side of the sliding seat (422) is slidably connected to the inner side of the sliding groove (424); the docking head (423) is rotatably mounted on one side of the sliding seat (422); and a matching shaft (425) adapted to the docking head (423) is fixedly mounted on the outer side of the clamp (31).

6. A ductile iron spherical roller cage pocket processing device according to claim 5, characterized in that: The flip driving member comprises a matching gear (426) and a mounting shell (427); the matching gear (426) is fixedly sleeved on the outer side of the docking head (423); the mounting shell (427) is fixedly mounted on the upper end of the fixed frame (421); a plurality of tooth blocks (428) matching the matching gear (426) are linearly and equidistantly mounted on the inner side of the mounting shell (427); a torsion spring (429) is mounted between the rotating end of the tooth block (428) and the inner wall of the mounting shell (427); a limiting groove (4210) is provided at one end of the tooth block (428) close to the torsion spring (429); a plurality of limiting blocks (4211) corresponding to the tooth blocks (428) are fixedly mounted on one side of the inner wall of the mounting shell (427) close to the limiting groove (4210); one end of the limiting block (4211) contacts the upper end of the inner wall of the corresponding limiting groove (4210).

7. A ductile iron spherical roller cage pocket processing device according to claim 6, characterized in that: The linear lifting component comprises a driving motor (4212) and a transmission screw (4213); the driving motor (4212) is fixedly mounted on the top of the fixed frame (421); the bottom end of the transmission screw (4213) is rotatably connected to the inner bottom wall of the slide groove (424); and the top end is fixedly connected to the driving end of the driving motor (4212); and the sliding seat (422) is threadedly mounted on the outside of the transmission screw (4213).

8. A ductile iron spherical roller cage pocket processing device according to claim 7, characterized in that: The docking member further comprises an extrusion plate (4214), a clamping shaft (4215) and a return spring (4216); the extrusion plate (4214) is fixedly mounted on the upper end of the inner wall of the slide groove (424); the bottom end of the extrusion plate (4214) is provided with an extrusion inclined surface; the clamping shaft (4215) is slidably mounted in the sliding seat (422); the return spring (4216) is fixedly mounted between the clamping shaft (4215) and the sliding seat (422); one side of the clamping shaft (4215) is provided with a second inclined surface groove body (4217) adapted to the extrusion inclined surface; one side of the matching gear (426) is provided with a matching clamping hole (4218); one end of the clamping shaft (4215) is slidably clamped with the matching clamping hole (4218).

9. A ductile iron spherical roller cage pocket processing device according to claim 8, characterized in that: The crossbeam assembly (21) comprises a rotating motor (211) and a crossbeam (212); two ends of the crossbeam (212) are respectively rotatably connected to two support beam assemblies (23); the rotating motor (211) is fixedly mounted on one side of one of the support beam assemblies (23); and the rotating end of the rotating motor (211) is fixedly connected to one end of the crossbeam (212).

10. A process for processing pocket holes of a spherical cast iron cage, applied to the spherical cast iron cage pocket hole processing device as claimed in any one of claims 1 to 9, characterized in that: The steps include: S1, placing the retainer (5) on a workstation to be processed, and squeezing and fixing the middle portion of the outer ring surface of the retainer (5); S2, using a plunge milling cutter (9) to perform step roughing according to the shape of the pocket hole, controlling the roughing allowance at the upper and lower ends to be 0.5 mm, and processing to form a preliminary pocket hole; S3, after completing one preliminary pocket hole processing, the cage (5) is driven to rotate so that the next pocket hole to be processed of the cage (5) reaches a preset processing station, and the operation is repeated until all preliminary pocket holes on the top surface of the cage (5) are processed; S4, replacing the forming boring tool (7), and performing fine boring processing on the preliminary pocket holes in sequence, removing the roughing allowance, and obtaining the forming pocket holes (8) of the required size, and repeating the operation until all the preliminary pocket holes are processed into the forming pocket holes (8); S5, lifting the retaining frame (5) in a fixed state so that it is away from the processing station, and after the retaining frame (5) rises to a preset height, driving the retaining frame (5) to flip 180 degrees so that the bottom of the retaining frame (5) flips upward, and then driving the retaining frame (5) to move downward and return to the processing station; S6. Repeat the above-mentioned S2-S4 operations to complete the forming pocket hole (8) processing on the other side of the retainer (5).

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