CN117329233B - Cage for combined needle bearing and automatic processing system thereof - Google Patents
Cage for combined needle bearing and automatic processing system thereof Download PDFInfo
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- CN117329233B CN117329233B CN202311635988.4A CN202311635988A CN117329233B CN 117329233 B CN117329233 B CN 117329233B CN 202311635988 A CN202311635988 A CN 202311635988A CN 117329233 B CN117329233 B CN 117329233B
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- 238000012545 processing Methods 0.000 title claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims description 52
- 239000000047 product Substances 0.000 claims description 23
- 238000001179 sorption measurement Methods 0.000 claims description 23
- 239000011265 semifinished product Substances 0.000 claims description 20
- 238000004080 punching Methods 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 26
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 16
- 238000003825 pressing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/48—Cages for rollers or needles for multiple rows of rollers or needles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/40—Shaping by deformation without removing material
- F16C2220/48—Shaping by deformation without removing material by extrusion, e.g. of metallic profiles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/62—Shaping by removing material, e.g. machining by turning, boring, drilling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention belongs to the technical field of bearing production and processing, and particularly relates to a retainer for a combined needle bearing and an automatic processing system thereof. The retainer provided by the invention is suitable for being arranged on the stepped shaft, and the radial convex plates are additionally arranged at the two ends of the retaining groove, so that the axial position of the needle roller can be effectively limited, and the noise caused by axial movement during the operation of the needle roller shaft is reduced; through add a plurality of radial oil storage tanks on annular connecting plate for the holder finished product can store more lubricating oil, and lubricating oil also can be fast to the dispersion of the holding tank of first pipe portion and second pipe portion, improves lubricated effect.
Description
Technical Field
The invention belongs to the technical field of bearing production and processing, and particularly relates to a retainer for a combined needle bearing and an automatic processing system thereof.
Background
The needle bearing is a roller bearing with cylindrical rollers, which are thin and long with respect to their diameter. Such rollers are known as needle rollers. The bearing has higher load bearing capacity despite the smaller cross section, and the needle bearing is provided with thin and long rollers (the roller diameter D is less than or equal to 5mm, the L/D is more than or equal to 2.5, and the L is the length of the rollers), so that the radial structure is compact, the inner diameter size and the load bearing capacity are the same as those of other types of bearings, the outer diameter is minimum, and the needle bearing is particularly suitable for supporting structures with limited radial installation sizes.
Aiming at the phenomenon that the end part of the needle roller is peeled off too early in the needle roller bearing test, the phenomenon is considered to be caused by bending deformation of the shaft due to larger load and stress concentration at the edge of the needle roller through analysis and theoretical reasoning. The test result of the improved scheme shows that the bending rigidity of the shaft can be enhanced by using the stepped shaft, and the test requirement is met. In some special occasions, a stepped shaft is required, and the stepped region of the stepped shaft is suitable for installing a corresponding needle bearing.
The traditional combined needle bearing with the inner ring, the retainer, the needle roller and the outer ring has the defects when the retainer structure is used, firstly, the retainer structure is not suitable for being arranged on a stepped shaft, and is also not beneficial to automatic processing; secondly, the axial position of the needle roller cannot be limited effectively, and the noise is relatively high due to axial movement when the needle roller is in operation; thirdly, the lubricating oil can not be uniformly dispersed, and the lubricating effect is not ideal. Therefore, there is a need for an improved and optimized cage construction for conventional combination needle bearings.
Disclosure of Invention
The present invention is directed to overcoming at least one of the problems set forth above and providing a cage for a modular needle bearing and an automated manufacturing system therefor.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the invention provides a retainer for a combined needle bearing, which is a stepped pipe formed by a first pipe part, an annular connecting plate and a second pipe part, wherein the first pipe part is connected with the inner edge of one side of the annular connecting plate, the second pipe part is connected with the outer edge of the other side of the annular connecting plate, a plurality of retaining grooves are formed in the first pipe part and the second pipe part along the circumferential direction respectively, radial convex plates which are bent inwards and used for limiting the axial direction of a needle are arranged at two ends of each retaining groove, and a plurality of radial oil storage grooves are formed in the annular connecting plate along the circumferential direction.
Further, in the cage for a combined needle bearing, the number of the retaining grooves in the first tube portion and the number of the retaining grooves in the second tube portion are equal, and the positions are in one-to-one correspondence.
Further, in the cage for a combination needle bearing described above, the specifications of the holding groove in the first tube portion and the holding groove in the second tube portion may be the same or different.
Further, in the above retainer for a combined needle bearing, the number of the radial oil storage grooves is equal to the number of the retaining grooves in the first pipe portion or the second pipe portion, the lower ports of the radial oil storage grooves are distributed near the lower windows of the corresponding retaining grooves in the first pipe portion, the upper ports of the radial oil storage grooves are distributed near the upper windows of the corresponding retaining grooves in the second pipe portion, and the portion of the radial oil storage grooves located outside the first pipe portion is an open groove.
In the cage for a combined needle bearing, the cage finished product is made of an iron material capable of being absorbed by electromagnetic waves.
The invention also provides an automatic processing system for automatically processing the retainer, which comprises:
the clamping mechanism is used for adsorbing and locking the retainer blank and driving the retainer blank to turn over at a fixed angle;
the punching mechanism is arranged above the clamping mechanism and is used for punching the retainer blank for the first time, a retaining groove is formed by punching the first pipe part and the second pipe part of the retainer blank, a group of slits are formed at the two ends of the retaining groove, and an axial convex plate is formed between each group of slits to obtain a retainer semi-finished product I; the stamping mechanism is used for stamping the semi-finished product I of the retainer for the second time, and the axial convex plate of the semi-finished product I of the retainer is turned inwards to form a semi-finished product II of the retainer with radial convex plates;
and the perforating mechanism is arranged below the clamping mechanism and is used for drilling the circumference of the annular connecting plate in the semi-finished product II of the retainer to form a finished product of the retainer with a radial oil storage groove.
Further, in the automatic processing system, the clamping mechanism comprises a first substrate, a servo motor, a driving gear and a driven adsorption member, wherein the first substrate is an L-shaped plate, the servo motor is fixed on a transverse plate part of the first substrate, the driving gear and the driven adsorption member are movably limited in a longitudinal plate part of the first substrate, and the driving gear is fixed at an output end of the servo motor; the driven adsorption member comprises a ring body, convex teeth meshed with the driving gear are uniformly distributed on the periphery of the ring body, an adsorption surface matched with the annular connecting plate is arranged on the inner side of the ring body, a plurality of electromagnetic adsorption blocks are arranged on the adsorption surface along the circumferential direction, and a plurality of radial drill rod avoidance holes are formed in the ring body along the circumferential direction.
Further, in the automatic processing system, positions of the radial drill rod avoiding holes are matched with positions of the radial oil storage grooves one by one, and positions of the driving gear and the electromagnetic adsorption block are staggered with positions of the radial drill rod avoiding holes; the vertical plate of the first base plate is internally provided with a mounting hole which is convenient for plugging the blank of the retainer, and the lower side of the vertical plate of the first base plate is internally provided with a drill rod guide vertical hole.
Further, in the automatic processing system, the stamping mechanism comprises a second base plate, a punch mounting plate, an electric hydraulic push rod, a guide joint pipe and punches, wherein the electric hydraulic push rod and the guide joint pipe are arranged between the second base plate and the upper side of the punch mounting plate, and two punches are arranged on the lower side of the punch mounting plate; the punch comprises a punch mounting part, a holding groove forming punch block, a kerf forming punch plate and pushing inclined planes, wherein the holding groove forming punch block for forming the holding groove and the kerf forming punch plate for forming the kerf are mounted on the lower side of the punch mounting part, the pushing inclined planes for inwards turning the axial convex plates to form radial convex plates are symmetrically arranged at the two ends of the holding groove forming punch block at the punch mounting part, and the pushing inclined planes are located in the area between the two kerf forming punch plates on the side where the pushing inclined planes are located.
Further, in the automatic processing system, the tapping mechanism comprises a third substrate, a screw motor, a screw rod, a movable plate, a screw rod nut and a drill rod, wherein the third substrate is a vertically arranged groove-shaped plate, the screw rod motor is installed on the outer wall of the lower side plate of the third substrate, the screw rod driven to rotate by the screw rod motor is rotatably supported between the two side plates of the third substrate, the screw rod nut matched with the screw rod is embedded and installed on the movable plate, one end of the movable plate is abutted against the inner wall of the web plate of the third substrate, the drill rod for drilling a radial oil storage groove is installed on the movable plate, and the drill rod is located right below a drill rod guide vertical hole in the first substrate.
The beneficial effects of the invention are as follows:
1. the retainer finished product provided by the invention has reasonable structural design, is suitable for being arranged on a stepped shaft, and is also beneficial to automatic processing; the retainer finished product mainly comprises a first pipe part, an annular connecting plate, a second pipe part, a retaining groove, a radial oil storage groove, radial convex plates and radial oil storage grooves, wherein the radial convex plates are additionally arranged at the two ends of the retaining groove, so that the axial position of a needle roller can be effectively limited, and the noise caused by axial movement during the operation of the needle roller is reduced; through add a plurality of radial oil storage tanks that are used for connecting first pipe portion and second pipe portion on annular connecting plate for can store more lubricating oil in the holder finished product, lubricating oil also can be fast to the dispersion of the holding tank of first pipe portion and second pipe portion, improves lubricated effect.
2. The automatic processing system is reasonable in design, and mainly comprises a clamping mechanism, a stamping mechanism and a perforating mechanism, wherein the clamping mechanism is used for adsorbing and locking a holder blank and driving the holder blank to turn over at a fixed angle; stamping the retainer blank twice by using a stamping mechanism, wherein a retainer semi-finished product I with a retainer groove, a kerf and an axial convex plate is obtained by the first stamping, and a retainer semi-finished product II with a radial convex plate is obtained by the first stamping; the circumferential direction of the annular connecting plate in the semi-finished retainer II is drilled by utilizing the perforating mechanism, the stamping mechanism and the perforating mechanism can be simultaneously or alternatively carried out, and each time an action is completed, the corresponding clamping mechanism drives the retainer to rotate around the axis of the retainer by a certain angle, and the angle is equal to the included angle of the circle center between the adjacent retainer grooves in the retainer finished product, so that the retainer finished product with the radial oil storage grooves is obtained.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a finished holder of the present invention;
FIG. 2 is a schematic perspective view of the finished retainer of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the finished retainer of the present invention;
FIG. 4 is a schematic view of the process flow of the finished retainer of the present invention;
FIG. 5 is a schematic perspective view of an automated processing system according to the present invention;
FIG. 6 is a schematic diagram of a front view of an automated processing system according to the present invention;
FIG. 7 is a schematic view of a clamping mechanism according to the present invention;
FIG. 8 is a schematic view of the clamping mechanism according to the present invention with the first substrate omitted;
FIG. 9 is a schematic view of a stamping mechanism according to the present invention;
FIG. 10 is a schematic view of an opening mechanism according to the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1-a retainer finished product, 101-a first pipe part, 102-an annular connecting plate, 103-a second pipe part, 104-a retaining groove, 105-a kerf, 106-an axial convex plate, 107-a radial convex plate and 108-a radial oil storage groove; 1 a-retainer blank, 1 b-retainer semi-finished product I,1 c-retainer semi-finished product II;
the device comprises a 2-clamping mechanism, a 201-first substrate, a 202-servo motor, a 203-driving gear, a 204-driven adsorption member, a 204 a-ring body, a 204 b-convex tooth, a 204 c-adsorption surface and a 204 d-radial drill rod avoiding hole;
3-stamping mechanism, 301-second base plate, 302-punch mounting plate, 303-electro-hydraulic push rod, 304-guide joint pipe, 305-punch, 305 a-punch mounting part, 305 b-holding groove forming punch block, 305 c-kerf forming punch plate, 305 d-pushing inclined plane;
4-perforating mechanism, 401-third base plate, 402-lead screw motor, 403-lead screw, 404-fly leaf, 405-lead screw nut, 406-drilling rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, the present embodiment provides a cage for a combination needle bearing, the cage product 1 is a stepped tube composed of a first tube portion 101, an annular connecting plate 102 and a second tube portion 103, the first tube portion 101 is connected at an inner edge of one side of the annular connecting plate 102, and the second tube portion 103 is connected at an outer edge of the other side of the annular connecting plate 102. The first pipe portion 101 and the second pipe portion 103 are respectively provided with a plurality of retaining grooves 104 along the circumferential direction, two ends of each retaining groove 104 are provided with radial convex plates 107 which are bent inwards and used for limiting the axial direction of the needle roller, and the annular connecting plate 102 is provided with a plurality of radial oil storage grooves 108 along the circumferential direction.
In this embodiment, the number of holding grooves 104 in the first pipe portion 101 and the number of holding grooves in the second pipe portion 103 are equal, and the positions are in one-to-one correspondence. The specifications of the holding groove 104 in the first pipe portion 101 and the holding groove 104 in the second pipe portion 103 are the same or different.
In this embodiment, the number of the radial oil storage grooves 108 is equal to the number of the holding grooves 104 in the first pipe portion 101 or the second pipe portion 103, the lower ports of the radial oil storage grooves 108 are distributed near the lower windows of the corresponding holding grooves 104 in the first pipe portion 101, the upper ports of the radial oil storage grooves 108 are distributed near the upper windows of the corresponding holding grooves 104 in the second pipe portion 103, the portions of the radial oil storage grooves 108 located outside the first pipe portion 101 are open grooves, and the open portions occupy 1/2 of the whole.
In this embodiment, the holder product 1 is made of a ferrous material that can be electromagnetically attracted.
The specific application of this embodiment is: the retainer finished product is suitable for being mounted on the stepped shaft and is also beneficial to automatic processing; the retainer finished product 1 mainly comprises a first pipe part 101, an annular connecting plate 102, a second pipe part 103, a retaining groove 104, a radial oil storage groove 108, radial convex plates 107 and radial oil storage grooves 108, and the radial convex plates 107 are additionally arranged at the two ends of the retaining groove 104, so that the axial position of a needle roller can be effectively limited, and noise caused by axial movement during the carrying of the needle roller shaft is reduced; by additionally arranging a plurality of radial oil storage grooves 108 for connecting the first pipe part 101 and the second pipe part 103 on the annular connecting plate 102, more lubricating oil can be stored in the finished retainer product 1, and the lubricating oil can be rapidly dispersed to the retaining grooves 104 of the first pipe part 101 and the second pipe part 103, so that the lubricating effect is improved.
Example two
The present embodiment provides an automated processing system for automatically processing the holder provided in the first embodiment, which includes, as shown in fig. 5 and 6, a holding mechanism 2, a punching mechanism 3, and a punching mechanism 4.
As shown in fig. 7 and 8, the gripping mechanism 2 is used to absorb and lock the holder blank 1a and drive it to turn over at a fixed angle. The clamping mechanism 2 comprises a first base plate 201, a servo motor 202, a driving gear 203 and a driven adsorption member 204, wherein the first base plate 201 is an L-shaped plate, the servo motor 202 is fixed on a transverse plate part of the first base plate 201, the driving gear 203 and the driven adsorption member 204 are movably limited in a longitudinal plate part of the first base plate 201, and the driving gear 203 is fixed at an output end of the servo motor 202. The driven adsorption member 204 comprises a ring body 204a, convex teeth 204b meshed with the driving gear 203 are uniformly distributed on the periphery of the ring body 204a, an adsorption surface 204c matched with the annular connecting plate 102 is arranged on the inner side of the ring body 204a, a plurality of electromagnetic adsorption blocks are circumferentially arranged on the adsorption surface, and a plurality of radial drill rod avoiding holes 204d are circumferentially formed in the ring body 204 a.
In this embodiment, the positions of the radial drill rod avoidance holes 204d are matched with the positions of the radial oil storage tanks 108 one by one, and the positions of the driving gear 203 and the electromagnetic adsorption block are staggered from the positions of the radial drill rod avoidance holes 204d. The longitudinal plate of the first base plate 201 is provided with a mounting hole for facilitating the insertion of the holder blank 1a, and the lower side of the longitudinal plate of the first base plate 201 is provided with a drill rod guiding vertical hole inwards.
In this embodiment, the stamping mechanism 3 is installed above the clamping mechanism 2, and is used for stamping the retainer blank 1a for the first time, the first pipe portion 101 and the second pipe portion 103 of the retainer blank 1a are respectively stamped to form a retainer groove 104, a group of slits 105 are respectively arranged at two ends of the retainer groove 104, and an axial convex plate 106 is formed between each group of slits 105, so as to obtain a retainer semi-finished product I1 b; the stamping mechanism 3 is used for stamping the semi-finished product I1 b for the second time, and the axial convex plate 106 in the semi-finished product I1 b is folded inwards to form a semi-finished product II 1c with a radial convex plate 107. The opening mechanism 4 is installed below the clamping mechanism 2 for drilling the circumferential direction of the annular connecting plate 102 in the semi-finished retainer product II 1c to form the finished retainer product 1 having the radial oil storage groove 108, as shown in fig. 4.
As shown in fig. 9, the punching mechanism 3 includes a second base plate 301, a punch mounting plate 302, an electro-hydraulic ram 303, a guide joint pipe 304, and punches 305, the electro-hydraulic ram 303, the guide joint pipe 304 are mounted between the second base plate 301 and the upper side of the punch mounting plate 302, two punches 305 are mounted on the lower side of the punch mounting plate 302, there is a height difference between the bottom ends of the two punches 305, and the height difference is matched with the difference in the outer diameters of the first pipe portion 101 and the second pipe portion 103. The punch 305 includes a punch mounting portion 305a, a holding groove forming punch 305b, a slit forming punch plate 305c, and a pressing inclined surface 305d, the holding groove forming punch 305b for forming the holding groove 104 and the slit forming punch plate 305c for forming the slit 105 are mounted on the lower side of the punch mounting portion 305a, and the pressing inclined surfaces 305d for folding the axial lug 106 inward to form the radial lug 107 are symmetrically provided at both ends of the holding groove forming punch 305b of the punch mounting portion 305 a. The pressing inclined surface 305d is located in the region between the two slit forming punch plates 305c on the side where the pressing inclined surface 305d is located, and the angle between the pressing inclined surface 305d and the vertical surface is 30 to 60 degrees.
As shown in fig. 10, the hole opening mechanism 4 includes a third substrate 401, a screw motor 402, a screw 403, a movable plate 404, a screw nut 405 and a drill rod 406, the third substrate 401 is a vertically arranged groove-shaped plate, the screw motor 402 is installed on the outer wall of the lower side plate of the third substrate 401, the screw 403 driven to rotate by the screw motor 402 is rotatably supported between the two side plates of the third substrate 401, and the screw nut 405 matched with the screw 403 is embedded and installed on the movable plate 404. One end of the movable plate 404 abuts against the inner wall of the web portion of the third base plate 401, a drill rod 406 for drilling the radial oil storage groove 108 is mounted on the movable plate 404, and the drill rod 406 is located right below the drill rod guide vertical hole in the first base plate 201.
The specific application of this embodiment is: the clamping mechanism 2 is utilized to absorb and lock the blank 1a of the retainer and drive the blank to turn over at a fixed angle; stamping the retainer blank 1a twice by using a stamping mechanism 3, wherein the retainer semi-finished product I1 b with the retainer grooves 104, the slits 105 and the axial convex plates 106 is obtained by the first stamping, and the retainer semi-finished product II 1c with the radial convex plates 107 is obtained by the first stamping; the circumferential direction of the annular connecting plate 102 in the semi-finished retainer product II 1c is drilled by the perforating mechanism 4, the stamping mechanism 3 and the perforating mechanism 4 can be performed simultaneously or alternatively, and each time an action is completed, the corresponding clamping mechanism 2 drives the retainer to rotate around the axis of the retainer by a certain angle which is equal to the included angle of the circle center between the adjacent retainer grooves 104 in the finished retainer product 1, so that the finished retainer product 1 with the radial oil storage grooves 108 is obtained, and the batch automatic processing of the finished retainer product 1 can be realized in this way.
The preferred embodiments of the invention disclosed above are merely helpful in explaining the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The automatic processing system is used for automatically processing the retainer for the combined needle roller bearing, and is characterized in that the retainer finished product is a stepped pipe formed by a first pipe part, an annular connecting plate and a second pipe part, the first pipe part is connected to the inner edge of one side of the annular connecting plate, the second pipe part is connected to the outer edge of the other side of the annular connecting plate, a plurality of retaining grooves are formed in the first pipe part and the second pipe part along the circumferential direction respectively, radial convex plates which are inwards bent and used for limiting the axial direction of the needle roller are arranged at two ends of each retaining groove, and a plurality of radial oil storage grooves are formed in the annular connecting plate along the circumferential direction;
the automated processing system includes:
the clamping mechanism is used for adsorbing and locking the retainer blank and driving the retainer blank to turn over at a fixed angle;
the punching mechanism is arranged above the clamping mechanism and is used for punching the retainer blank for the first time, a retaining groove is formed by punching the first pipe part and the second pipe part of the retainer blank, a group of slits are formed at the two ends of the retaining groove, and an axial convex plate is formed between each group of slits to obtain a retainer semi-finished product I; the stamping mechanism is used for stamping the semi-finished product I of the retainer for the second time, and the axial convex plate of the semi-finished product I of the retainer is turned inwards to form a semi-finished product II of the retainer with radial convex plates;
and the perforating mechanism is arranged below the clamping mechanism and is used for drilling the circumference of the annular connecting plate in the semi-finished product II of the retainer to form a finished product of the retainer with a radial oil storage groove.
2. The automated processing system of claim 1, wherein the number of retaining grooves in the first tube portion and the number of retaining grooves in the second tube portion are equal and in a one-to-one correspondence.
3. The automated processing system of claim 2, wherein the dimensions of the holding groove in the first tube portion and the holding groove in the second tube portion are the same or different.
4. The automated processing system of claim 3, wherein the number of radial oil reservoirs is equal to the number of holding tanks in the first or second pipe sections, wherein the lower ports of the radial oil reservoirs are distributed near lower windows of corresponding holding tanks in the first pipe section, wherein the upper ports of the radial oil reservoirs are distributed near upper windows of corresponding holding tanks in the second pipe section, and wherein the portion of the radial oil reservoirs located outside the first pipe section is an open tank.
5. The automated processing system of claim 4, wherein the cage product is a ferrous material that is electromagnetically attracted.
6. The automated processing system of claim 5, wherein the clamping mechanism comprises a first base plate, a servo motor, a driving gear and a driven adsorption member, the first base plate is an L-shaped plate, the servo motor is fixed on a transverse plate portion of the first base plate, the driving gear and the driven adsorption member are limited in a longitudinal plate portion of the first base plate in a movable manner, and the driving gear is fixed on an output end of the servo motor; the driven adsorption member comprises a ring body, convex teeth meshed with the driving gear are uniformly distributed on the periphery of the ring body, an adsorption surface matched with the annular connecting plate is arranged on the inner side of the ring body, a plurality of electromagnetic adsorption blocks are arranged on the adsorption surface along the circumferential direction, and a plurality of radial drill rod avoidance holes are formed in the ring body along the circumferential direction.
7. The automated processing system of claim 6, wherein the positions of the radial drill stem avoidance holes are in one-to-one fit with the positions of the radial oil storage tanks, and the positions of the driving gear and the electromagnetic adsorption block are staggered from the positions of the radial drill stem avoidance holes; the vertical plate of the first base plate is internally provided with a mounting hole which is convenient for plugging the blank of the retainer, and the lower side of the vertical plate of the first base plate is internally provided with a drill rod guide vertical hole.
8. The automated processing system of claim 7, wherein the stamping mechanism comprises a second base plate, a punch mounting plate, an electro-hydraulic ram, a guide joint pipe, and a punch, the electro-hydraulic ram, the guide joint pipe being mounted between the second base plate and an upper side of the punch mounting plate, two punches being mounted on a lower side of the punch mounting plate; the punch comprises a punch mounting part, a holding groove forming punch block, a kerf forming punch plate and pushing inclined planes, wherein the holding groove forming punch block for forming the holding groove and the kerf forming punch plate for forming the kerf are mounted on the lower side of the punch mounting part, the pushing inclined planes for inwards turning the axial convex plates to form radial convex plates are symmetrically arranged at the two ends of the holding groove forming punch block at the punch mounting part, and the pushing inclined planes are located in the area between the two kerf forming punch plates on the side where the pushing inclined planes are located.
9. The automated processing system of claim 8, wherein the tapping mechanism comprises a third base plate, a screw motor, a screw, a movable plate, a screw nut and a drill rod, the third base plate is a vertically arranged groove-shaped plate, the screw motor is mounted on the outer wall of the lower side plate of the third base plate, the screw driven to rotate by the screw motor is rotatably supported between the two side plates of the third base plate, the screw nut matched with the screw is mounted on the movable plate in an embedded manner, one end of the movable plate abuts against the inner wall of the web plate of the third base plate, the drill rod for drilling a radial oil storage groove is mounted on the movable plate, and the drill rod is located right below a drill rod guide vertical hole in the first base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311635988.4A CN117329233B (en) | 2023-12-01 | 2023-12-01 | Cage for combined needle bearing and automatic processing system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311635988.4A CN117329233B (en) | 2023-12-01 | 2023-12-01 | Cage for combined needle bearing and automatic processing system thereof |
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| CN117329233A CN117329233A (en) | 2024-01-02 |
| CN117329233B true CN117329233B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311635988.4A Active CN117329233B (en) | 2023-12-01 | 2023-12-01 | Cage for combined needle bearing and automatic processing system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118180009A (en) * | 2024-05-17 | 2024-06-14 | 常州市钧达轴承有限公司 | Bearing cleaning equipment and cleaning method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19835261A1 (en) * | 1997-08-06 | 1999-02-11 | Ntn Toyo Bearing Co Ltd | Needle bearing for motor vehicle, motor cycle, agricultural machinery etc. |
| JPH11336769A (en) * | 1998-05-26 | 1999-12-07 | Ntn Corp | Cage for neelde roller bearing |
| DE102009054462A1 (en) * | 2009-12-10 | 2011-06-16 | Zf Friedrichshafen Ag | Bearing cage for roll-shaped rolling body, for e.g. for needle bearing for bearing of vehicle drive train components, has cage body, which is formed by bars connected by two side rings |
| WO2016119789A1 (en) * | 2015-01-29 | 2016-08-04 | Schaeffler Technologies AG & Co. KG | Double-row axial needle bearing |
| CN213419692U (en) * | 2020-10-14 | 2021-06-11 | 常州市清潭特种轴承有限公司 | Retainer assembly for bearing |
-
2023
- 2023-12-01 CN CN202311635988.4A patent/CN117329233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19835261A1 (en) * | 1997-08-06 | 1999-02-11 | Ntn Toyo Bearing Co Ltd | Needle bearing for motor vehicle, motor cycle, agricultural machinery etc. |
| JPH11336769A (en) * | 1998-05-26 | 1999-12-07 | Ntn Corp | Cage for neelde roller bearing |
| DE102009054462A1 (en) * | 2009-12-10 | 2011-06-16 | Zf Friedrichshafen Ag | Bearing cage for roll-shaped rolling body, for e.g. for needle bearing for bearing of vehicle drive train components, has cage body, which is formed by bars connected by two side rings |
| WO2016119789A1 (en) * | 2015-01-29 | 2016-08-04 | Schaeffler Technologies AG & Co. KG | Double-row axial needle bearing |
| CN213419692U (en) * | 2020-10-14 | 2021-06-11 | 常州市清潭特种轴承有限公司 | Retainer assembly for bearing |
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|---|---|
| CN117329233A (en) | 2024-01-02 |
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