A milling device for machining bearing end cover surface

By designing a bearing end cover processing and milling equipment including bellows, telescopic plug connections and positioning rings, the problems of poor adaptability and insufficient fixing stability of traditional equipment are solved, and efficient and accurate bearing end cover processing is achieved, and the suitability and efficiency are greatly improved.

CN119772242AInactive Publication Date: 2025-04-08DALIAN JUNMING MARINE LIFTING MASCH CO LTD
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Patent Information

Application Number
CN202510260853.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-04-08
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional bearing end cover processing and milling equipment has poor adaptability, low processing efficiency, insufficient fixing stability when fixing workpieces, resulting in loss of accuracy and high scrap rate, and low degree of automation, making it difficult to meet the efficient production needs of modern manufacturing.

Method used

A milling equipment including base plate, mounting plate, milling assembly and mating assembly is designed. Through the cooperation of bellows and telescopic plug-in pipes, the multi-directional fixation and adaptation of bearing end caps is achieved through the combination of bellows and telescopic plug-in pipes. Combined with the design of positioning rings and extrusion rods, the end caps are ensured to coaxial rotation and high-precision machining during the milling process.

Benefits of technology

It improves the fixing stability and milling quality of bearing end cover surface processing, greatly improves the applicability, reduces labor and time costs, improves processing efficiency, and effectively protects the bearing end cover and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of bearing processing equipment, and specifically discloses a milling device for processing the surface of a bearing end cover, including a base plate, a first mounting plate fixedly connected to the upper surface of the edge of the base plate, and a second mounting plate arranged on the upper surface of the side of the base plate away from the first mounting plate, wherein the first mounting plate and the second mounting plate are arranged parallel to each other, and the second mounting plate is arranged in a disc shape. When the bearing end cover moves, the positioning ring will continuously pass through the block, thereby automatically completing the blocking and limiting of the position of the positioning ring, and the bellows cooperate with each other to achieve the greater distance the bearing end cover moves on the driving tube, the stronger the fixing effect, and at the same time, the retractable second plug-in tube and the third plug-in tube cooperate with the adjustable cavity spacing to achieve the adaptation of bearing end covers of various sizes, greatly improving the applicability of the device.
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Description

Technical Field

[0001] The invention relates to the technical field of bearing processing equipment, in particular to a milling equipment for processing a bearing end cover surface. Background Art

[0002] In the field of mechanical manufacturing, bearings are key components, and the machining accuracy and quality of their end caps have a profound impact on the overall performance and service life of the bearings. Milling equipment for bearing end cap machining has emerged to efficiently and accurately mill the end caps to meet the diverse working conditions and stringent precision standards. This type of equipment mainly includes mounting structures for fixing workpieces and functional components for performing milling, and the two work together to achieve the machining purpose.

[0003] Traditional milling equipment has exposed many drawbacks in practical applications. When fixing the workpiece, its adaptability is poor. When facing bearing end covers of different sizes, it is often necessary to debug or replace the fixtures cumbersomely, resulting in low processing efficiency and rising costs. During the processing process, the end cover is not fixed firmly enough, and milling can easily cause vibration, which damages the surface accuracy of the end cover, and causes knife marks and roughness deviations, resulting in a high scrap rate. Furthermore, the positioning and protection mechanism is missing, and the end cover is easily deformed under strong pressure, shortening its service life. In addition, the process of loading and unloading workpieces is cumbersome, the degree of equipment automation is low, and the manpower and time costs are huge, which makes it difficult to meet the modern manufacturing industry's efficient, high-quality, and economical production demands. Summary of the invention

[0004] The present invention provides a milling device for machining a bearing end cover surface, which solves the problems mentioned in the above background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A milling device for machining a bearing end cover surface, comprising a base plate, a first mounting plate fixedly connected to the upper surface of the edge of the base plate, a second mounting plate arranged on the upper surface of the side of the base plate away from the first mounting plate, wherein the first mounting plate and the second mounting plate are arranged parallel to each other, and the second mounting plate is arranged in a disc shape, and further comprising: a milling assembly, the milling assembly being fixedly mounted on an outer surface of the second mounting plate, wherein the milling assembly contracts and expands around a central axis of the second mounting plate; A mating assembly, wherein the mating assembly is fixedly mounted on the side surface of the first mounting plate, the mating assembly cooperates with the milling assembly, and the mating assembly moves horizontally along the central axis of the second mounting plate; The milling assembly includes a driving tube, one end of which passes through and is rotatably connected to the side surface of the first mounting plate, the other end of the driving tube passes through the second mounting plate, and a limiting groove is provided on the outer surface of the driving tube, and a positioning ring is slidably connected to the outer surface of the driving tube through the limiting groove, and a mounting groove is provided inside the positioning ring, and the positioning ring is rotatably embedded in the middle of the second mounting plate, and a bellows is fixedly connected to the surface of the second mounting plate close to the first mounting plate, and one end of the bellows away from the second mounting plate is fixedly connected to the surface of the first mounting plate close to the second mounting plate, wherein the bellows is sleeved on the outside of the driving tube.

[0006] Preferably, a motor is fixedly connected to the upper surface of the edge of the base plate, and the output end of the motor is rotatably connected to the first telescopic rod, wherein the outer surface of the first telescopic rod is rotatably connected to a transmission belt, and the end of the transmission belt away from the first telescopic rod is rotatably connected to the outer surface of the drive tube on the side close to the second mounting plate.

[0007] Preferably, a slider is slidably connected to the middle upper surface of the base plate, a gear box is fixedly connected to the upper surface of the slider, an input end of the gear box is fixedly connected to an end of the first telescopic rod away from the motor, and an output end of the gear box is rotatably connected to the second telescopic rod.

[0008] Preferably, a mounting ring is fixedly connected to the surface of the second mounting plate away from the corrugated tube, and the mounting ring is arranged as a double ring, wherein the mounting ring is arranged on the same central axis as the second mounting plate, and the inner surface of the mounting ring is fixedly connected to a first mounting block, wherein three first mounting blocks are arranged at fixed intervals around the central axis of the mounting ring.

[0009] Preferably, an extrusion rod is slidably connected to the outer surface of the first mounting block, and the inner end of the extrusion rod is rotatably connected to a positioning wheel, and the outer end of the extrusion rod is fixedly connected to a first plug tube, and the two ends of the first plug tube are slidably connected to the first plug plate, wherein the first plug tube and the first plug plate are combined into a circular ring, and the first plug tube is slidably connected to a limiting frame on the side close to the second mounting plate, and the limiting frame is fixedly connected to the edge outer surface of the second mounting plate, and three limiting frames are arranged at fixed intervals around the central axis of the second mounting plate, and the outer end of the limiting frame is fixedly connected to a third telescopic rod, and the output end of the third telescopic rod is fixedly connected to the outer side surface of the first plug tube, and the third telescopic rod is communicated with the internal cavity of the corrugated tube.

[0010] Preferably, the bottom inner surface of the mounting ring is fixedly connected to a second mounting block, the outer surface of the second mounting block is penetrated by a working rod, the inner end of the working rod is fixedly connected to a face milling head, the outer end of the working rod is fixedly connected to the output end of the second telescopic rod, the outer surface of the working rod is rotatably connected to a retaining ring, the retaining ring is penetrated and fixedly connected to the outer surface of the first plug-in board, wherein the face milling head contacts the bearing end cover later than the positioning wheel, the positioning wheel comprises an inner ring, wherein the inner ring is rotatably connected to the inner end of the extrusion rod, the outer surface of the inner ring is fixedly connected to a first elastic plate, the outer end of the first elastic plate is fixedly connected to an outer ring, wherein the outer surface of the outer ring is fixedly sleeved with a rubber cover, wherein the internal cavity of the rubber cover is connected to the internal cavity of the bellows, and the side surface of the first elastic plate is fixedly connected to the second elastic plate.

[0011] Preferably, a slide groove is provided on the inner surface of the mounting groove, wherein three slide grooves are provided, the inner end of the slide groove is elastically slidably connected with a second plug-in tube, and second plug-in plates are slidably plugged at both ends of the second plug-in tube, wherein the second plug-in tube and the second plug-in plate are combined into a circular ring, the outer end of the slide groove is slidably connected with a third plug-in tube, and third plug-in plates are slidably plugged at both ends of the third plug-in tube, wherein the third plug-in tube and the third plug-in plate are combined into a circular ring, and a cavity is provided between the second plug-in tube and the third plug-in tube, and an expansion bag is fixedly connected to the inner surface of the mounting groove, wherein the expansion bag is provided in a ring shape, and the outer surface of the expansion bag is fitted on the outer surface of the third plug-in tube, the expansion bag is communicated with the internal cavity of the bellows, and the second plug-in tube is communicated with the internal cavity of the bellows.

[0012] Preferably, the mating assembly includes a pulling frame, which is slidably plugged into the surface of the first mounting plate on the side away from the second mounting plate, and the surface of the pulling frame close to the first mounting plate is fixedly connected to a plug-in rod, and the plug-in rod is slidably plugged into the interior of the driving tube, and the outer surface of the plug-in rod close to the pulling frame is fixedly connected to the plug-in frame, and the inner surface of the driving tube away from the second mounting plate is fixedly connected to a plug-in block, wherein the plug-in block and the plug-in frame are slidably plugged into each other.

[0013] Preferably, the inner surface of the driving tube is fixedly connected with a bearing ring, and a block is slidably inserted through the inner surface of the bearing ring, and the outer end of the block is slidably inserted into the outer surface of the driving tube, wherein the inner end of the block is fixedly connected with a pull rope, and the end of the pull rope away from the block is fixedly connected with a sleeve, and the sleeve is fixedly sleeved on the outer surface of the plug-in rod. When the bearing end cover needs to be milled, the bearing end cover can be passed through the driving tube, and then the middle part of the bearing end cover is inserted into the mounting groove on the positioning ring, and then the bearing end cover is pushed along the driving tube to move to one side of the first mounting plate to fix it, and then the motor is started. After the motor is started, it will drive the first telescopic rod to rotate, and through the transmission belt The driving tube is driven to start rotating, and after the first telescopic rod starts rotating, it will drive the second telescopic rod to rotate through the gear box, and then the face milling head starts to rotate, and starts to process the outer surface of the bearing end cover. When the bearing end cover moves, it will drive the first mounting plate and the positioning ring to move synchronously along the driving tube, so that the bellows is squeezed, so that the internal air pressure increases, and the internal air pressure is transmitted to the second plug-in tube and the expansion bag, so that the second plug-in tube and the second plug-in plate expand outward, and the third plug-in tube and the third plug-in plate contract inward, so that the cavity between the second plug-in tube and the third plug-in tube is greatly reduced, thereby automatically completing the clamping and fixation of the middle surface of the bearing end cover.

[0014] The present invention provides a milling device for machining a bearing end cover surface. It has the following beneficial effects: 1. In the milling equipment for processing the surface of the bearing end cover, when the bearing end cover moves, the locating ring will continuously pass through the block, thereby automatically completing the blocking and limiting of the position of the locating ring. The bellows cooperate with each other to achieve that the longer the distance the bearing end cover moves on the driving tube, the stronger the fixing effect. At the same time, the retractable second plug-in tube and the third plug-in tube cooperate with the adjustable cavity spacing to adapt to bearing end covers of various sizes, greatly improving the applicability of the equipment.

[0015] 2. In the milling equipment for processing the surface of the bearing end cover, when the bellows is squeezed, its internal air pressure is simultaneously transmitted to the third telescopic rod, so that the third telescopic rod pushes the first plug-in tube inwardly to move, and then the extrusion rod and the working rod move inwardly along the first mounting block and the second mounting block respectively, so that the positioning wheel at the end of the extrusion rod and the surface milling head at the end of the working rod successively contact the side surface of the end cover, that is, when the surface milling head contacts the side surface of the bearing end cover and starts milling, there is a large squeezing force between the positioning wheel and the bearing end cover, and then the second plug-in tube and the third plug-in tube cooperate with each other to mill the bearing end cover Multi-directional fixation is performed to ensure that the bearing end cover always rotates coaxially with the driving tube, thereby greatly improving the milling quality. The positioning wheel is provided with an inner ring and an outer ring, and the inner ring and the outer ring are connected by a first elastic plate, so that there is an elastic squeezing force between the inner ring and the outer ring, and then there is an elastic squeezing force on the rubber cover, that is, when the side surface of the bearing end cover is squeezed and fixed by the positioning wheel, the positioning wheel is fully protected, and at the same time, the side surface of the bearing end cover is prevented from being squeezed and deformed under a strong squeezing pressure, ensuring that the bearing end cover can be protected to the greatest extent while providing sufficient fixing force.

[0016] 3. The milling equipment for processing the surface of the bearing end cover can make the force for fixing the bearing end cover relatively balanced during operation by connecting the internal cavity of the bellows with the second plug-in tube, the expansion bag and the third telescopic rod, that is, greatly improve the stability of fixing the bearing end cover, avoid the milling quality problem caused by vibration of the bearing end cover due to uneven force when milling the bearing end cover, and when the bearing end cover needs to be removed, the pulling frame can be prompted to move outward, and the movement of the pulling frame will drive the plug-in rod to move outward, and then the pull rope is pulled through the ring to make the block slide toward the inside of the driving tube, canceling the fixing effect of the positioning ring, and at this time, under the action of elastic force, the positioning ring moves outward along the driving tube together with the second mounting plate, thereby synchronously canceling the fixing of the bearing end cover, making it easy to remove the bearing end cover, and after taking out the bearing end cover, the pulling frame can be pushed in the reverse direction to reset the block, so as to facilitate continuous milling of the bearing end cover, greatly improving the milling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the present invention; Figure 2 It is a schematic diagram of the structure of the bellows of the present invention; Figure 3 It is a structural schematic diagram of the transmission belt of the present invention; Figure 4 It is a schematic diagram of the exploded structure of the milling assembly of the present invention; Figure 5 It is a schematic diagram of the internal structure of the positioning ring of the present invention; Figure 6It is a structural schematic diagram of the positioning wheel of the present invention; Figure 7 It is a structural schematic diagram of the matching assembly of the present invention; Figure 8 It is a structural schematic diagram of the card block of the present invention.

[0018] In the figure: 1, bottom plate; 2, first mounting plate; 3, second mounting plate; 4, milling assembly; 41, driving tube; 42, limiting groove; 43, positioning ring; 44, mounting groove; 45, bellows; 46, motor; 47, first telescopic rod; 48, transmission belt; 49, slider; 410, gear box; 411, second telescopic rod; 412, mounting ring; 413, first mounting block; 414, extrusion rod; 415, positioning wheel; 416, first plug-in tube; 417, first plug-in board; 418, limiting frame; 419, third telescopic rod; 420 , second mounting block; 421, working rod; 422, face milling head; 4211, retaining ring; 423, inner ring; 424, first elastic plate; 425, outer ring; 426, rubber cover; 427, second elastic plate; 428, slide groove; 429, second plug-in tube; 430, second plug-in plate; 431, third plug-in tube; 432, third plug-in plate; 433, expansion bag; 5, matching assembly; 51, pulling frame; 52, plug-in rod; 53, plug-in frame; 54, plug-in block; 55, load-bearing ring; 56, retaining block; 57, pull rope; 58, ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] First embodiment: Figures 1 to 8 As shown, the present invention provides a technical solution: a milling device for machining a bearing end cover surface, comprising a base plate 1, a first mounting plate 2 is fixedly connected to the upper surface of the edge of the base plate 1, a second mounting plate 3 is arranged on the upper surface of the side of the base plate 1 away from the first mounting plate 2, wherein the first mounting plate 2 and the second mounting plate 3 are arranged parallel to each other, and the second mounting plate 3 is arranged in a disc shape, and further comprising: A milling assembly 4, the milling assembly 4 is fixedly mounted on the outer surface of the second mounting plate 3, wherein the milling assembly 4 contracts and expands around the central axis of the second mounting plate 3; The mating assembly 5 is fixedly mounted on the side surface of the first mounting plate 2, the mating assembly 5 cooperates with the milling assembly 4, and the mating assembly 5 moves horizontally along the central axis of the second mounting plate 3; The milling assembly 4 includes a driving tube 41, one end of which passes through and is rotatably connected to the side surface of the first mounting plate 2, the other end of the driving tube 41 passes through the second mounting plate 3, and a limiting groove 42 is provided on the outer surface of the driving tube 41, and a positioning ring 43 is slidably connected to the outer surface of the driving tube 41 through the limiting groove 42, and a mounting groove 44 is provided inside the positioning ring 43, and the positioning ring 43 is rotatably embedded in the middle part of the second mounting plate 3, and a bellows 45 is fixedly connected to the surface of the second mounting plate 3 close to the first mounting plate 2, and one end of the bellows 45 away from the second mounting plate 3 is fixedly connected to the surface of the first mounting plate 2 close to the second mounting plate 3, wherein the bellows 45 is sleeved on the outer side of the driving tube 41.

[0021] A motor 46 is fixedly connected to the upper surface of the edge of the base plate 1, and the output end of the motor 46 is rotatably connected to the first telescopic rod 47, wherein the outer surface of the first telescopic rod 47 is rotatably connected to a transmission belt 48, and the end of the transmission belt 48 away from the first telescopic rod 47 is rotatably connected to the outer surface of the drive tube 41 near the second mounting plate 3.

[0022] A slider 49 is slidably connected to the upper surface of the middle part of the base plate 1, and a gear box 410 is fixedly connected to the upper surface of the slider 49. The input end of the gear box 410 is fixedly connected to the end of the first telescopic rod 47 away from the motor 46, and the output end of the gear box 410 is rotatably connected to the second telescopic rod 411.

[0023] A mounting ring 412 is fixedly connected to the surface of the second mounting plate 3 on the side away from the bellows 45. The mounting ring 412 is arranged as a double ring, wherein the mounting ring 412 is arranged on the same central axis as the second mounting plate 3, and a first mounting block 413 is fixedly connected to the inner surface of the mounting ring 412, wherein three first mounting blocks 413 are arranged at fixed intervals around the central axis of the mounting ring 412.

[0024] The outer surface of the first mounting block 413 is slidably connected with an extrusion rod 414, the inner end of the extrusion rod 414 is rotatably connected with a positioning wheel 415, the outer end of the extrusion rod 414 is penetrated and fixedly connected with a first plug-in tube 416, and the two ends of the first plug-in tube 416 are slidably plugged with first plug-in plates 417, wherein the first plug-in tube 416 and the first plug-in plate 417 are combined into a circular ring, and the first plug-in tube 416 is slidably connected to a limiting frame 418 on the side close to the second mounting plate 3, the limiting frame 418 is fixedly connected to the outer surface of the edge of the second mounting plate 3, and three limiting frames 418 are arranged at fixed intervals around the central axis of the second mounting plate 3, and the outer end of the limiting frame 418 is fixedly connected to a third telescopic rod 419, the output end of the third telescopic rod 419 is fixedly connected to the outer surface of the first plug-in tube 416, and the third telescopic rod 419 is communicated with the internal cavity of the bellows 45.

[0025] The bottom inner surface of the mounting ring 412 is fixedly connected to a second mounting block 420, and a working rod 421 is sleeved through the outer surface of the second mounting block 420. The inner end of the working rod 421 is fixedly connected to a face milling head 422, and the outer end of the working rod 421 is fixedly connected to the output end of the second telescopic rod 411. The outer surface of the working rod 421 is rotatably connected to a clamping ring 4211, and the clamping ring 4211 penetrates and is fixedly connected to the outer surface of the first plug-in board 417, wherein the face milling head 422 is connected later than the positioning wheel 415. The contact bearing end cover, the positioning wheel 415 includes an inner ring 423, wherein the inner ring 423 is rotatably connected to the inner end of the extrusion rod 414, the outer surface of the inner ring 423 is fixedly connected to the first elastic plate 424, the outer end of the first elastic plate 424 is fixedly connected to the outer ring 425, wherein the outer surface of the outer ring 425 is fixedly sleeved with a rubber cover 426, wherein the internal cavity of the rubber cover 426 is connected to the internal cavity of the bellows 45, and the side surface of the first elastic plate 424 is fixedly connected to the second elastic plate 427.

[0026] A slide groove 428 is provided on the inner surface of the mounting groove 44, wherein three slide grooves 428 are provided, the inner end of the slide groove 428 is elastically slidably connected with a second plug-in tube 429, and second plug-in plates 430 are slidably plugged at both ends of the second plug-in tube 429, wherein the second plug-in tube 429 and the second plug-in plate 430 are combined into a circular ring, the outer end of the slide groove 428 is slidably connected with a third plug-in tube 431, and third plug-in plates 432 are slidably plugged at both ends of the third plug-in tube 431, wherein the third plug-in tube 431 and the third plug-in plate 432 are combined into a circular ring, and a cavity is provided between the second plug-in tube 429 and the third plug-in tube 431, an expansion capsule 433 is fixedly connected to the inner surface of the mounting groove 44, wherein the expansion capsule 433 is provided in a ring shape, and the outer surface of the expansion capsule 433 is attached to the outer surface of the third plug-in tube 431, the expansion capsule 433 is communicated with the internal cavity of the bellows 45, and the second plug-in tube 429 is communicated with the internal cavity of the bellows 45.

[0027] Second embodiment: Figures 1 to 8 As shown, the mating assembly 5 includes a pulling frame 51, which is slidably plugged into the surface of the first mounting plate 2 on the side away from the second mounting plate 3, and the surface of the pulling frame 51 close to the first mounting plate 2 is fixedly connected with a plug-in rod 52, and the plug-in rod 52 is slidably plugged into the interior of the driving tube 41, and the outer surface of the plug-in rod 52 close to the pulling frame 51 is fixedly connected with a plug-in frame 53, and the inner surface of the driving tube 41 away from the second mounting plate 3 is fixedly connected with a plug-in block 54, wherein the plug-in block 54 and the plug-in frame 53 are slidably plugged into each other.

[0028] A load-bearing ring 55 is fixedly connected to the inner surface of the driving tube 41, and a block 56 is slidably inserted through the inner surface of the load-bearing ring 55. The outer end of the block 56 is slidably inserted into the outer surface of the driving tube 41, wherein a pull rope 57 is fixedly connected to the inner end of the block 56, and a ring 58 is fixedly connected to the end of the pull rope 57 away from the block 56. The ring 58 is fixedly sleeved on the outer surface of the plug-in rod 52.

[0029] During operation, when it is necessary to mill the bearing end cover, the bearing end cover can be passed through the driving tube 41, and then the middle part of the bearing end cover is inserted into the mounting groove 44 on the positioning ring 43, and then the bearing end cover is pushed to move along the driving tube 41 to the side of the first mounting plate 2 to fix it, and then the motor 46 is started. After the motor 46 is started, it will drive the first telescopic rod 47 to rotate, and drive the driving tube 41 to start rotating through the transmission belt 48. After the first telescopic rod 47 starts to rotate, it will drive the second telescopic rod 411 to rotate through the gear box 410, and then the face milling head 422 starts to rotate, and the outer surface of the bearing end cover starts to be processed. When the bearing end cover moves, it will drive the first mounting plate 2 and the positioning ring 43 to move synchronously along the driving tube 41 The bellows 45 is moved, that is, the bellows 45 is squeezed, so that the internal air pressure thereof increases, and the internal air pressure is transmitted to the second plug-in tube 429 and the expansion bag 433, that is, the second plug-in tube 429 and the second plug-in plate 430 are expanded outwardly, and at the same time the third plug-in tube 431 and the third plug-in plate 432 are contracted inwardly, so that the cavity between the second plug-in tube 429 and the third plug-in tube 431 is greatly reduced, thereby automatically completing the clamping and fixing of the middle surface of the bearing end cover, and when the bearing end cover moves, the positioning ring 43 will continuously pass through the block 56, thereby automatically completing the blocking and limiting of the position of the positioning ring 43, and the bellows 45 cooperate with each other to achieve that the longer the distance the bearing end cover moves on the driving tube 41, the stronger the fixing effect. At the same time, the telescopic second plug-in tube 429 and the third plug-in tube 431 can be adapted to bearing end covers of various sizes with the adjustable cavity spacing, which greatly improves the applicability of the device. When the bellows 45 is squeezed, its internal air pressure will be transmitted to the third telescopic rod 419 at the same time, causing the third telescopic rod 419 to push the first plug-in tube 416 inward to move, thereby causing the extrusion rod 414 and the working rod 421 to move inward along the first mounting block 413 and the second mounting block 420 respectively, so that the positioning wheel 415 at the end of the extrusion rod 414 and the face milling head 422 at the end of the working rod 421 successively contact the side surface of the end cover, that is, when the face milling head 422 contacts the side surface of the bearing end cover and starts milling, the positioning wheel 415 and the bearing There is a large squeezing force between the end covers, and then cooperates with the second plug-in tube 429 and the third plug-in tube 431 to fix the bearing end cover in multiple directions, so that the bearing end cover always keeps coaxial rotation with the driving tube 41, thereby greatly improving the milling quality. The positioning wheel 415 is provided with an inner ring 423 and an outer ring 425, and the inner ring 423 and the outer ring 425 are connected by the first elastic plate 424, so that there is an elastic squeezing force between the inner ring 423 and the outer ring 425, and then there is an elastic squeezing force on the rubber cover 426, that is, when the positioning wheel 415 is used to squeeze and fix the side surface of the bearing end cover, the positioning wheel 415 is fully protected, and at the same time, it is also prevented from being squeezed and deformed by the side surface of the bearing end cover under a strong squeezing force.It is ensured that the bearing end cover can be protected to the greatest extent while providing sufficient fixing force, and the internal cavity of the bellows 45 is connected with the second plug-in tube 429, the expansion bag 433 and the third telescopic rod 419, so that the force for fixing the bearing end cover during operation can be relatively balanced, that is, the stability of fixing the bearing end cover is greatly improved, and the milling quality problem caused by the vibration of the bearing end cover caused by uneven force when the bearing end cover is milled is avoided. When the bearing end cover needs to be removed, the pulling frame 51 can be urged to move outward, and as the pulling frame 51 is pulled The movement will drive the plug rod 52 to move outward, and then pull the pull rope 57 through the ring 58, so that the block 56 slides inside the driving tube 41, canceling the fixing effect of the positioning ring 43. At this time, under the action of elastic force, the positioning ring 43 and the second mounting plate 3 move outward along the driving tube 41, thereby synchronously canceling the fixing of the bearing end cover, making it easy to remove the bearing end cover. After removing the bearing end cover, the pull frame 51 can be pushed back to reset the block 56, which is convenient for continuous milling of the bearing end cover, greatly improving the milling efficiency.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by... does not exclude the existence of other identical elements in the process, method, article or device including the element".

Claims

1. A milling device for machining a bearing end cover surface, comprising a base plate (1), characterized in that: A first mounting plate (2) is fixedly connected to the upper surface of the edge of the bottom plate (1), and a second mounting plate (3) is arranged on the upper surface of the bottom plate (1) away from the first mounting plate (2), wherein the first mounting plate (2) and the second mounting plate (3) are arranged parallel to each other, and the second mounting plate (3) is arranged in a disc shape, and further comprising: A milling assembly (4), wherein the milling assembly (4) is fixedly mounted on the outer surface of the second mounting plate (3), wherein the milling assembly (4) contracts and expands around the central axis of the second mounting plate (3); A mating assembly (5), wherein the mating assembly (5) is fixedly mounted on a side surface of the first mounting plate (2), the mating assembly (5) and the milling assembly (4) work in cooperation with each other, and the mating assembly (5) moves horizontally along the central axis of the second mounting plate (3); The milling assembly (4) comprises a driving tube (41), one end of which passes through and is rotatably connected to the side surface of the first mounting plate (2), the other end of which passes through the second mounting plate (3), and a limiting groove (42) is provided on the outer surface of the driving tube (41), a positioning ring (43) is slidably connected to the outer surface of the driving tube (41) through the limiting groove (42), a mounting groove (44) is provided inside the positioning ring (43), the positioning ring (43) is rotatably embedded in the middle of the second mounting plate (3), a bellows (45) is fixedly connected to the surface of the second mounting plate (3) on the side close to the first mounting plate (2), and one end of the bellows (45) away from the second mounting plate (3) is fixedly connected to the surface of the first mounting plate (2) on the side close to the second mounting plate (3), wherein the bellows (45) is sleeved on the outer side of the driving tube (41).

2. A milling device for machining a bearing end cover surface according to claim 1, characterized in that: A motor (46) is fixedly connected to the upper surface of the edge of the base plate (1), and the output end of the motor (46) is rotatably connected to the first telescopic rod (47), wherein the outer surface of the first telescopic rod (47) is rotatably connected to a transmission belt (48), and one end of the transmission belt (48) away from the first telescopic rod (47) is rotatably connected to the outer surface of the driving tube (41) on a side close to the second mounting plate (3).

3. The milling equipment for machining the bearing end cover surface according to claim 2, characterized in that: A slider (49) is slidably connected to the upper surface of the middle portion of the bottom plate (1); a gear box (410) is fixedly connected to the upper surface of the slider (49); an input end of the gear box (410) is fixedly connected to an end of the first telescopic rod (47) away from the motor (46); and an output end of the gear box (410) is rotatably connected to the second telescopic rod (411).

4. The milling equipment for machining the bearing end cover surface according to claim 3, characterized in that: A mounting ring (412) is fixedly connected to a surface of the second mounting plate (3) at a side away from the bellows (45), wherein the mounting ring (412) is arranged as a double ring, wherein the mounting ring (412) is arranged on the same central axis as the second mounting plate (3), and a first mounting block (413) is fixedly connected to an inner surface of the mounting ring (412), wherein three first mounting blocks (413) are arranged at fixed intervals around the central axis of the mounting ring (412).

5. The milling equipment for machining the bearing end cover surface according to claim 4, characterized in that: The outer surface of the first mounting block (413) is penetrated by an extrusion rod (414) which is slidably connected, the inner end of the extrusion rod (414) is rotatably connected to a positioning wheel (415), the outer end of the extrusion rod (414) is penetrated by a first plug-in tube (416) which is fixedly connected, and the two ends of the first plug-in tube (416) are slidably connected to a first plug-in board (417), wherein the first plug-in tube (416) and the first plug-in board (417) are combined into a circular ring, and the first plug-in tube (416) is close to the second mounting plate (3). One side of the limiting frame (418) is slidably connected to the limiting frame (418), the limiting frame (418) is fixedly connected to the outer surface of the edge of the second mounting plate (3), three limiting frames (418) are arranged at fixed intervals around the central axis of the second mounting plate (3), the outer end of the limiting frame (418) is fixedly connected to a third telescopic rod (419), the output end of the third telescopic rod (419) is fixedly connected to the outer surface of the first plug-in tube (416), and the third telescopic rod (419) is connected to the internal cavity of the corrugated tube (45).

6. The milling equipment for machining the bearing end cover surface according to claim 5, characterized in that: The bottom inner surface of the mounting ring (412) is fixedly connected to a second mounting block (420); the outer surface of the second mounting block (420) is penetrated and sleeved with a working rod (421); the inner end of the working rod (421) is fixedly connected to a face milling head (422); the outer end of the working rod (421) is fixedly connected to the output end of the second telescopic rod (411); the outer surface of the working rod (421) is rotatably connected to a retaining ring (4211); the retaining ring (4211) is penetrated and fixedly connected to the outer surface of the first plug board (417); the face milling head (422) is later than the positioning wheel (415) The contact bearing end cover is provided, wherein the positioning wheel (415) comprises an inner ring (423), wherein the inner ring (423) is rotatably connected to the inner end of the extrusion rod (414), the outer surface of the inner ring (423) is fixedly connected to a first elastic plate (424), the outer end of the first elastic plate (424) is fixedly connected to an outer ring (425), wherein a rubber cover (426) is fixedly sleeved on the outer surface of the outer ring (425), wherein an internal cavity of the rubber cover (426) is in communication with an internal cavity of the bellows (45), and a second elastic plate (427) is fixedly connected to the side surface of the first elastic plate (424).

7. The milling equipment for machining the bearing end cover surface according to claim 6, characterized in that: The inner surface of the installation groove (44) is provided with a slide groove (428), wherein three slide grooves (428) are provided, the inner end of the slide groove (428) is elastically slidably connected to a second plug-in tube (429), and the two ends of the second plug-in tube (429) are slidably plugged with a second plug-in plate (430), wherein the second plug-in tube (429) and the second plug-in plate (430) are combined into a circular ring, the outer end of the slide groove (428) is slidably connected to a third plug-in tube (431), and the two ends of the third plug-in tube (431) are slidably plugged with a third plug-in plate (432) , wherein the third plug-in tube (431) and the third plug-in plate (432) are combined into a circular ring shape, and a cavity is provided between the second plug-in tube (429) and the third plug-in tube (431), and an expansion bag (433) is fixedly connected to the inner surface of the mounting groove (44), wherein the expansion bag (433) is provided in a ring shape, and the outer surface of the expansion bag (433) is attached to the outer surface of the third plug-in tube (431), the expansion bag (433) is communicated with the inner cavity of the bellows (45), and the second plug-in tube (429) is communicated with the inner cavity of the bellows (45).

8. The milling equipment for machining the bearing end cover surface according to claim 7, characterized in that: The mating assembly (5) comprises a pulling frame (51), wherein the pulling frame (51) is slidably plugged into a surface of the first mounting plate (2) on a side away from the second mounting plate (3), and a plug-in rod (52) is fixedly connected to a surface of the pulling frame (51) on a side close to the first mounting plate (2), and the plug-in rod (52) is slidably plugged into the interior of the driving tube (41), and a plug-in frame (53) is fixedly connected to an outer surface of the plug-in rod (52) on a side close to the pulling frame (51), and a plug-in block (54) is fixedly connected to an inner surface of the driving tube (41) on a side away from the second mounting plate (3), wherein the plug-in block (54) and the plug-in frame (53) are slidably plugged into each other.

9. The milling equipment for machining the bearing end cover surface according to claim 8, characterized in that: The inner surface of the driving tube (41) is fixedly connected to a load-bearing ring (55), and a clamping block (56) is slidably inserted through the inner surface of the load-bearing ring (55), and the outer end of the clamping block (56) is slidably inserted through the outer surface of the driving tube (41), wherein the inner end of the clamping block (56) is fixedly connected to a pull rope (57), and the end of the pull rope (57) away from the clamping block (56) is fixedly connected to a ring (58), and the ring (58) is fixedly sleeved on the outer surface of the plug-in rod (52).