CN115502309B - A bearing inner and outer ring forging production line - Google Patents
A bearing inner and outer ring forging production line Download PDFInfo
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- CN115502309B CN115502309B CN202211043213.3A CN202211043213A CN115502309B CN 115502309 B CN115502309 B CN 115502309B CN 202211043213 A CN202211043213 A CN 202211043213A CN 115502309 B CN115502309 B CN 115502309B
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- ring rolling
- outer ring
- blanking
- ring
- inner ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明公开一种轴承内外圈锻造流水线，包括镦饼装置、切料装置、拍平装置、碾环装置、出料装置和工件滑道，各装置沿一直线依次排列布置，各装置之间通过工件滑道相连，镦饼装置、切料装置、拍平装置、碾环装置附近都安装有机械手，碾环装置包括外圈碾环机构、内圈碾环机构和同步碾环动力机构，外圈碾环机构固定安装在地面上，内圈碾环机构活动安装在地面上，外圈碾环机构和内圈碾环机构能通过同步碾环动力机构传动连接在一起，本发明的生产线能同时进行轴承内外圈的坯料加工，一个原料一次流转，就能出来一套轴承外圈和轴承内圈，本发明具有自动化程度高的优点，本发明的生产线能大大减少材料浪费，具有占地面积小、设备投入少的优点。
The invention discloses a forging production line for inner and outer rings of bearings, comprising a forging device, a cutting device, a flattening device, a ring rolling device, a discharging device and a workpiece slideway. The devices are arranged in sequence along a straight line and are connected to each other through the workpiece slideway. Manipulators are installed near the forging device, the cutting device, the flattening device and the ring rolling device. The ring rolling device comprises an outer ring rolling mechanism, an inner ring rolling mechanism and a synchronous ring rolling power mechanism. The outer ring rolling mechanism is fixedly installed on the ground, and the inner ring rolling mechanism is movably installed on the ground. The outer ring rolling mechanism and the inner ring rolling mechanism can be connected together through the synchronous ring rolling power mechanism. The production line of the invention can simultaneously process the blanks of the inner and outer rings of the bearings. One set of bearing outer rings and bearing inner rings can be produced by one circulation of the raw material. The invention has the advantages of a high degree of automation. The production line of the invention can greatly reduce material waste and has the advantages of a small footprint and low equipment investment.
Description
Technical Field
The invention relates to the technical field of bearing production equipment, in particular to a forging assembly line for inner and outer rings of a bearing.
Background
The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision, so that the bearing is widely applied to various mechanical equipment.
The outer race and the inner race are the main components in the bearing, taking the most common ball bearings as examples, which mainly comprise a bearing outer race, a bearing inner race and rollers housed between the inner and outer races. The production of the bearing outer ring and the bearing inner ring can be completed through a series of complex processing, forging is an initial working procedure, the purpose of the working procedure is to forge a billet into semi-finished blanks of the bearing outer ring and the bearing inner ring, at present, when the bearing is produced, the bearing outer ring and the bearing inner ring are respectively forged, that is, two different production lines are needed to respectively forge the bearing outer ring and the bearing inner ring, in the production mode, more material is wasted (mainly waste is cut in the inner hole of the outer ring), the equipment cost investment is large (two lines and the number of production equipment is large), and the required workshop area is also large.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a forging assembly line for inner and outer rings of a bearing.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an inner race and outer race forging assembly line, includes upsetting cake device, blank device, beats the device, rolls ring device, discharging device and work piece slide, upsetting cake device, blank device, beat the device, roll ring device, discharging device arrange in proper order along a straight line and arrange, link to each other through the work piece slide between each device, upsetting cake device, blank device, beat the device, roll ring device nearby all installs the manipulator, roll ring device includes outer lane and rolls ring mechanism, inner circle and rolls ring mechanism and synchronous ring power mechanism, outer lane rolls ring mechanism fixed mounting subaerial, inner circle rolls ring mechanism movable mounting is subaerial, when inner circle rolls ring mechanism towards outer lane rolls ring mechanism motion, outer lane ring mechanism and inner circle rolls ring mechanism and link together through synchronous ring power mechanism transmission, carries out the synchronous ring operation of bearing outer lane and bearing inner circle.
The cutting device comprises a cutting machine table, a first cutting machine and a second cutting machine, wherein the first cutting machine and the second cutting machine are arranged on the cutting machine table side by side, blanks sequentially flow through the first cutting machine and the second cutting machine, a fine cutter is arranged on the first cutting machine, a rough cutter is arranged on the second cutting machine, a first cutting die holder and a second cutting die holder are fixedly arranged on the cutting machine table, the first cutting die holder is correspondingly arranged at a position right below the fine cutter, the second cutting die holder is correspondingly arranged at a position right below the rough cutter, and cutting auxiliary components are connected to the sides of the first cutting die holder and the second cutting die holder.
The first material die holder and the second material die holder are respectively provided with a through hole, the material cutting machine table is of an inner hollow structure, the through holes are communicated and extend into the material cutting machine table, a waste box is arranged in the material cutting machine table, and the waste box is arranged at the position below the through holes of the first material die holder.
The auxiliary cutting assembly comprises screw bases and cutting pressing plates, wherein the screw bases are symmetrically connected to the outer side wall of a cutting die holder, each screw base is vertically connected with a screw, springs are sleeved outside the screws, the cutting pressing plates are arranged on the two screws in a penetrating mode, the upper ends of the springs are connected with the lower end faces of the cutting pressing plates, the lower ends of the springs are connected with the screw bases, and limit nuts are arranged on the tops of the screws in a threaded mode.
The ring mechanism is rolled to the outer lane includes ring rolling frame, outer lane ring rolling frame, install the aircraft nose lift rail in the ring rolling frame, ring rolling frame movable mounting is rolled to the outer lane ring rolling frame is on the aircraft nose lift rail, ring rolling frame installs the lift pneumatic cylinder in the top, the piston rod end of lift pneumatic cylinder links to each other with ring rolling frame of outer lane, the outer lane is rolled to rotate on the ring rolling frame and is installed outer lane ring rolling roller, ring rolling mechanism is also including ring rolling frame and aircraft nose lift rail to the inner circle, ring rolling frame movable mounting is on ring rolling mechanism's aircraft nose lift rail to the inner circle, ring rolling roller is installed in the rotation on the ring rolling frame to the inner circle, ring rolling device still includes aircraft nose linkage subassembly, the aircraft nose linkage subassembly includes four gangbars, four the one end of gangbar is connected respectively in the four corners position of ring rolling frame of outer lane, four the other end of gangbar all runs through the ring rolling frame and installs, through four the gangbar can realize the synchronous linkage of ring rolling frame and inner circle rolling frame.
The outer ring rolling mechanism further comprises an outer ring discharging roller and guide roller assemblies, the outer ring discharging roller is rotatably mounted on a ring rolling frame of the outer ring rolling mechanism, the outer ring discharging roller is mounted at a position right below the outer ring rolling machine head, the guide roller assemblies are mounted on the ring rolling frame, the guide roller assemblies and the outer ring discharging roller form a delta-shaped layout, the inner ring rolling mechanism further comprises an inner ring discharging roller, the inner ring discharging roller is rotatably mounted on the ring rolling frame of the inner ring rolling mechanism, the two guide roller assemblies are mounted on the ring rolling frame of the inner ring rolling mechanism, and the inner ring discharging roller and the two guide roller assemblies also form the delta-shaped layout.
The outer circle surface of the outer ring discharging roller is provided with a circle of first pressing groove convex ring, and the outer circle surface of the inner ring grinding roller is provided with a circle of second pressing groove convex ring.
The synchronous ring rolling power mechanism comprises a driving motor and a linkage shaft, the driving motor is arranged on an outer ring rolling machine head, the driving motor is in transmission connection with an outer ring rolling roller, the linkage shaft is fixedly connected with an inner ring rolling roller, a spline section is arranged on the linkage shaft, a spline socket is connected to the side end face of the outer ring rolling roller, facing the inner ring rolling roller, of the spline section, and the spline section can be inserted into the spline socket.
The ring rolling device further comprises a translation mechanism, the translation mechanism comprises a moving rail and a pushing cylinder frame, the inner ring rolling mechanism is translationally installed on the moving rail, a translation pushing cylinder is installed on the pushing cylinder frame, the piston rod end of the translation pushing cylinder is connected with the rear end face of the ring rolling frame of the inner ring rolling mechanism, and the translation pushing cylinder can push the inner ring rolling mechanism to be close to or far away from the outer ring rolling mechanism.
The discharging device comprises a first discharging conveyor belt and a second discharging conveyor belt, the first discharging conveyor belt and the second discharging conveyor belt are identical in structure and symmetrically installed, the first discharging conveyor belt and the second discharging conveyor belt are obliquely installed, a bearing part is conveyed from low to high, a plurality of cooling fans are installed above the first discharging conveyor belt and the second discharging conveyor belt, baffle plates are connected to the belt surfaces of the first discharging conveyor belt and the second discharging conveyor belt, and a collecting box is placed below the high points of the first discharging conveyor belt and the second discharging conveyor belt.
The production line has the advantages that the production line can simultaneously process blanks of the inner ring and the outer ring of the bearing, one raw material flows once, and one set of the bearing outer ring and the bearing inner ring can be produced.
Drawings
FIG. 1 is a top layout view of the present invention;
FIG. 2 is a schematic structural view of a cake upsetting device according to the present invention;
FIG. 3 is a schematic structural view of a blanking device of the present invention;
FIG. 4 is a block diagram of the installation of the blanking assist assembly of the present invention;
FIG. 5 is a schematic view of the structure of the clapping device of the present invention;
FIG. 6 is a front view of the outer race ring rolling mechanism of the present invention;
FIG. 7 is a front view of the inner ring rolling mechanism of the present invention;
FIG. 8 is a side elevational view of the ring rolling apparatus of the present invention;
fig. 9 is a schematic installation of the discharge conveyor belt position of the present invention.
In the figure: upsetting device 1, upsetting machine table 11, upsetting machine 12, upsetting press seat 121, cutting device 2, blanking machine table 21, waste bin 211, first blanking machine 22, fine cutter 221, second blanking machine 23, rough cutter 231, first blanking die holder 24, through hole 241, second blanking die holder 25, blanking auxiliary assembly 26, screw base 261, screw 262, spring 263, blanking press plate 264, limit nut 265, clapping device 3, clapping machine table 31, clapping machine 32, clapping press seat 321, ring rolling device 4, outer ring rolling mechanism 41, ring rolling frame 411, head lifting rail 4111, outer ring rolling machine 412, outer ring rolling roller 4121, retaining flange 4122, lifting hydraulic cylinder 413, outer ring discharging roller 414, first pressing groove flange 4141, feeding blocking boss 4142 guide roller assembly 415, inner ring rolling mechanism 42, inner ring rolling head 421, inner ring rolling roller 4211, second indent cam 4212, inner ring discharge roller 422, synchronous ring rolling power mechanism 43, drive motor 431, linkage shaft 432, spline section 4321, spline socket 433, head linkage assembly 44, linkage rod 441, translation mechanism 45, moving rail 451, push cylinder frame 452, translation push cylinder 453, discharge device 5, first discharge conveyor 51, baffle 511, second discharge conveyor 52, cooling fan 53, collection box 54, work piece slide 6, first feed slide 61, second feed slide 62, first outer ring slide 63, first inner ring slide 64, second outer ring slide 65, second inner ring slide 66, outer ring discharge slide 67, inner ring discharge slide 68, robot 7.
Detailed Description
The invention is further described with reference to the drawings and detailed description, wherein the description of the invention such as "left" and "right" is directed with reference to fig. 1:
As shown in figures 1-9, the bearing inner and outer ring forging assembly line comprises a upsetting device 1, a blanking device 2, a leveling device 3, a ring rolling device 4, a discharging device 5 and a workpiece slideway 6, wherein the upsetting device 1, the blanking device 2, the leveling device 3, the ring rolling device 4 and the discharging device 5 are sequentially arranged along a straight line, all the devices are connected through the workpiece slideway 6, billet raw materials sequentially flow through the upsetting device 1, the blanking device 2, the leveling device 3 and the ring rolling device 4, finally, the bearing outer ring and the bearing inner ring forging are output from the discharging device 5, a manipulator 7 is arranged near the upsetting device 1, the blanking device 2, the leveling device 3 and the ring rolling device 4, the manipulator 7 is used for replacing manual grabbing and delivering of workpieces to fulfill the automatic feeding and discharging requirements of all the devices, the ring rolling device 4 comprises an outer ring rolling mechanism 41, an inner ring rolling mechanism 42 and a synchronous ring rolling power mechanism 43, the outer ring rolling mechanism 41 is fixedly arranged on the ground, the inner ring rolling mechanism 42 is movably arranged on the ground, when the inner ring rolling mechanism 42 moves towards the outer ring rolling mechanism 41, the outer ring rolling mechanism 41 and the inner ring rolling mechanism 42 can be connected together through a synchronous ring rolling power mechanism 43 in a transmission manner to synchronously roll the outer ring and the inner ring of the bearing. The device has the advantages of less equipment investment (design of a single production line, and the device has the function of simultaneously producing and processing the inner ring and the outer ring of the bearing), and can meet the requirement of the inner ring and the outer ring of the bearing on the completion of one assembly line.
As shown in fig. 2, the cake upsetting device 1 comprises a cake upsetting machine table 11 and a cake upsetting machine 12, the cake upsetting machine 12 is arranged on the cake upsetting machine table 11, a cake upsetting seat 121 capable of lifting up and down is arranged on the cake upsetting machine 12, the cake upsetting seat 121 can play a role of rough billet pressing, a raw billet is grabbed and placed on the cake upsetting machine table 11 through a manipulator 7, and the cake upsetting seat 121 descends to press the billet accordingly, so that the initial bearing shape requirement is met.
As shown in fig. 3, the blanking device 2 comprises a blanking machine table 21, a first blanking machine 22 and a second blanking machine 23, wherein the first blanking machine 22 and the second blanking machine 23 are arranged on the blanking machine table 21 side by side, blanks sequentially flow through the first blanking machine 22 and the second blanking machine 23 to finish twice blanking operation, a fine cutter 221 is arranged on the first blanking machine 22, a rough cutter 231 is arranged on the second blanking machine 23, a first blanking die holder 24 and a second blanking die holder 25 are fixedly arranged on the blanking machine table 21, the first blanking die holder 24 is correspondingly arranged at a position right below the fine cutter 221, the second blanking die holder 25 is correspondingly arranged at a position right below the rough cutter 231, the side of the first blanking die holder 24 and the side of the second blanking die holder 25 are both connected with a blanking auxiliary component 26, the first blanking die holder 24 and the second blanking die holder 25 are both provided with workpiece grooves, the steel billet can be positioned and placed on the blanking die holder to finish blanking operation, the blanking auxiliary assembly 26 compresses the steel billet when in blanking, the steel billet is prevented from jumping, the steel billet firstly passes through the first blanking machine 22, a small hole is firstly cut on the steel billet by a thin cutter 221 on the first blanking machine 22 and can be used as an inner hole of a bearing inner ring, then the steel billet is grabbed and placed on the position of the second blanking machine 23 by a mechanical arm 7, the rough cutter 231 of the second blanking machine 23 cuts the steel billet again to cut and form a bearing outer ring blank and a bearing inner ring blank, and the two blanks are respectively output from two workpiece slide ways 6.
As shown in fig. 3, through holes 241 are formed in the first and second die holders 24 and 25, the through holes 241 are configured such that cut materials can drop along with the holes, the die-cutting machine 21 has an inner hollow structure, the through holes 241 extend through the die-cutting machine 21, the die-cutting machine 21 is provided with a waste box 211, the waste box 211 is disposed below the through holes 241 of the first die holder 24, the cut materials cut by the first die-cutting machine 22 are processing waste materials, the cut materials drop into the waste box 211 through the through holes 241 to be collected, the cut materials cut by the second die-cutting machine 23 are bearing inner ring blanks, and drop into corresponding workpiece slide ways 6 through the through holes 241, and the workpiece slide ways 6 are located right below the through holes 241 of the second die-cutting machine 25.
As shown in fig. 3 and 4, the auxiliary blanking component 26 includes screw bases 261 and a blanking pressing plate 264, the two screw bases 261 are symmetrically connected to the outer side wall of the blanking die holder, each screw base 261 is vertically connected with one screw 262, a spring 263 is sleeved outside the screw 262, the blanking pressing plate 264 is installed on the two screws 262 in a penetrating mode, the upper end of the spring 263 is connected with the lower end face of the blanking pressing plate 264, the lower end of the spring 263 is connected with the screw bases 261, a limit nut 265 is installed on the top of the screw 262 in a threaded mode, the rising limit position of the blanking pressing plate 264 can be limited, the blanking pressing plate 264 cannot escape from the two screws 262, a cutter hole is formed in the blanking pressing plate 264, cutting operation of a cutter is not affected, when the cutter descends, the blanking pressing plate 264 can be pressed along with the screw 262, the cutter spring 263 is compressed, the blanking pressing plate 264 can be pressed on the steel billet, the condition that a jump is prevented, after the blanking operation is completed, the blanking pressing plate 264 is lifted by the restoring force of the spring 263, sometimes, the blank pressing plate 264 can be connected to the lifting pressing plate, the lifting pressing plate 264 cannot be affected, and the blanking pressing plate 264 can be stopped, and the blank can be lifted along with the lifting effect.
As shown in fig. 5, the flattening device 3 includes a flattening machine 31 and a flattening machine 32, the flattening machine 32 is fixedly installed on the flattening machine 31, a flattening pressing seat 321 capable of moving in an upgrading manner is installed on the flattening machine 32, the flattening pressing seat 321 can perform the effect of flattening blanks again, through the blanking device 2, billet raw materials are cut to form an outer ring blank and an inner ring blank and output respectively, a set of outer ring blank and an inner ring blank can be simultaneously grabbed and delivered to the flattening device 3 through a manipulator 7 to perform flattening operation, and the blanks are grabbed out through the manipulator 7 and conveyed in a split way (through the billets after the blanking operation, concave or convex conditions can appear in the cutting holes of the billets, so the blanks have the requirement of flattening again to form a flat material ring, and the follow-up ring rolling operation can be facilitated.
As shown in fig. 6, 7 and 8, the outer ring rolling mechanism 41 comprises a ring rolling frame 411 and an outer ring rolling frame 412, a frame head lifting rail 4111 is arranged on the ring rolling frame 411, the outer ring rolling frame 412 is movably arranged on the frame head lifting rail 4111, a lifting hydraulic cylinder 413 is arranged at the top of the ring rolling frame 411, a piston rod end of the lifting hydraulic cylinder 413 is connected with the outer ring rolling frame 412, the lifting movement of the outer ring rolling frame 412 is driven by the expansion and contraction of a piston rod of the lifting hydraulic cylinder 413, an outer ring rolling roller 4121 is rotatably arranged on the outer ring rolling frame 412, the outer ring rolling roller 4121 plays a role of a power roller when bearing an outer ring rolling, the inner ring rolling mechanism 42 also comprises the ring rolling frame 411 and the frame head lifting rail 4111, the inner ring rolling mechanism 42 also comprises an inner ring rolling frame 421, the inner ring rolling frame 421 is movably arranged on the frame head lifting rail 4111 of the inner ring rolling mechanism 42, the invention discloses a ring rolling device 4, which is characterized in that an inner ring rolling machine head 421 is rotatably provided with an inner ring rolling roller 4211, the inner ring rolling roller 4211 plays a role of a power roller for bearing an inner ring rolling, the ring rolling device 4 also comprises a machine head linkage assembly 44, the machine head linkage assembly 44 comprises four linkage rods 441, one ends of the four linkage rods 441 are respectively connected at four corners of an outer ring rolling machine head 412, the other ends of the four linkage rods 441 penetrate through the inner ring rolling machine head 421, synchronous lifting and lowering linkage of the outer ring rolling machine head 412 and the inner ring rolling machine head 421 can be realized through the four linkage rods 441, the ring rolling device 4 can finish ring rolling processing operation of a set of bearing an inner ring blank and an outer ring blank at one time, the design difficulty of the ring rolling device 4 is on the linkage of the outer ring rolling mechanism 41 and the inner ring rolling mechanism 42, the linkage comprises the linkage of the power of the two, the synchronous lifting and lowering of the outer ring rolling roller 4121 and the inner ring rolling roller 4211, in the invention, the power linkage is realized through the synchronous ring rolling power mechanism 43, the invention also designs a machine head linkage assembly 44 to solve the problem of synchronous linkage lifting of the outer ring rolling roller 4121 and the inner ring rolling roller 4211, and the outer ring rolling machine head 412 and the inner ring rolling machine head 421 are connected in series through four linkage rods 441, so that the inner ring rolling machine head 421 can synchronously lift when the outer ring rolling machine head 412 lifts, and the synchronous linkage lifting of the outer ring rolling roller 4121 and the inner ring rolling roller 4211 is realized.
As shown in fig. 6, 7 and 8, the outer ring rolling mechanism 41 further includes an outer ring discharging roller 414 and a guide roller assembly 415, the outer ring discharging roller 414 is rotatably mounted on a ring rolling frame 411 of the outer ring rolling mechanism 41, the outer ring discharging roller 414 is mounted at a position right below the outer ring rolling machine head 412, the two guide roller assemblies 415 are also mounted on the ring rolling frame 411, the two guide roller assemblies 415 and the outer ring discharging roller 414 form a delta-shaped layout, the inner ring rolling mechanism 42 further includes an inner ring discharging roller 422, the inner ring discharging roller 422 is rotatably mounted on the ring rolling frame 411 of the inner ring rolling mechanism 42, the two guide roller assemblies 415 are also mounted on the ring rolling frame 411 of the inner ring rolling mechanism 42, the inner ring discharging roller 422 and the two guide roller assemblies 415 form a delta-shaped layout, before ring rolling operation, the outer ring blank and the inner ring ingredients are respectively gripped on the outer ring discharging roller 414 and the inner ring discharging roller 422 by a manipulator, the outer ring discharging roller 414 and the inner ring discharging roller 422 are both provided with feeding blocking bosses 4142 for positioning the deepest inserting position of the blanks, during ring rolling operation, the outer ring rolling roller 4121 and the inner ring rolling roller 4211 synchronously descend to extrude the blanks while rotating, the outer ring discharging roller 414 and the inner ring discharging roller 422 only play a role of driven wheels, the blanks can rotate, because the placing positions of the blanks are relatively fixed, the blanks can be pressed and thinned during rotation, the ring diameter can be continuously enlarged during thinning, thus a rolling and expanding effect is formed, the inner ring blanks and the outer ring blanks with larger ring diameters can be processed into bearing inner ring forgings and outer ring forgings with larger ring diameters through rolling and expanding, the outer ring rolling roller 4121 and the inner ring rolling roller 4211 are connected with material blocking flanges 4122, the blank processing positions are fixed under the double limiting effect of the material blocking flanges 4122 and the feeding blocking bosses 4142, the heights of the blanks are unchanged during the blank rolling and expanding, only the loop thickness becomes thinner.
In a conventional ball bearing, the inner wall of the outer ring is provided with a ball groove, and the outer wall of the inner ring is provided with a ball groove, so, as shown in fig. 8, the outer circumferential surface of the outer ring discharging roller 414 is provided with a ring of first groove pressing convex rings 4141, and the outer ring discharging roller 414 contacts the inner wall of the outer ring blank, so that when the outer ring blank is rolled and expanded, a ring of ball groove can be formed on the inner wall of the outer ring blank, the outer circumferential surface of the inner ring rolling roller 4211 is provided with a ring of second groove pressing convex rings 4212, and the inner ring rolling roller 4211 contacts the outer wall of the inner ring blank, so that when the inner ring blank is rolled and expanded, a ring of ball groove can be formed on the outer wall of the inner ring blank.
As shown in fig. 8, the synchronous ring rolling power mechanism 43 includes a driving motor 431 and a linkage shaft 432, the driving motor 431 is installed on the outer ring rolling machine head 412, the driving motor 431 is in transmission connection with the outer ring rolling roller 4121, the linkage shaft 432 is fixedly connected to the inner ring rolling roller 4211, the linkage shaft 432 is provided with a spline section 4321, the end face of the outer ring rolling roller 4121 facing the inner ring rolling roller 4211 is connected with a spline socket 433, the spline section 4321 can be inserted into the spline socket 433, the driving motor 431 can directly drive the outer ring rolling roller 4121 to rotate, in the ring rolling device 4 of the invention, synchronous rotation of the inner ring rolling roller 4121 and the outer ring rolling roller 4211 is required to be completed, in this way, the spline section 4321 of the linkage shaft 432 of the inner ring rolling roller 4211 can be inserted into the socket 433 of the outer ring rolling roller 4121, thus synchronous rotation of the outer ring rolling roller 4121 and the inner ring rolling roller 4211 can be realized through spline connection, and synchronous ring rolling operation of the outer ring rolling roller 4211 can meet the requirements of the bearing and the bearing.
As shown in fig. 8, the ring rolling device 4 further comprises a translation mechanism 45, the translation mechanism 45 comprises a moving rail 451 and a pushing cylinder frame 452, the inner ring rolling mechanism 42 is arranged on the moving rail 451 in a translation mode, a translation pushing cylinder 453 is arranged on the pushing cylinder frame 452, a piston rod end of the translation pushing cylinder 453 is connected with the rear end face of a ring rolling frame 411 of the inner ring rolling mechanism 42, the translation pushing cylinder 453 is a hydraulic pushing cylinder, the translation pushing cylinder 453 can push the inner ring rolling mechanism 42 to be close to or far away from the outer ring rolling mechanism 41, and in the invention, the ring rolling device 4 not only can process inner ring blanks and outer ring blanks of a bearing, but also can facilitate the installation and detachment of the inner ring rolling mechanism 42 and the outer ring blanks of the bearing, when the inner ring rolling mechanism 42 is pushed to be far away from the outer ring rolling mechanism 41, a large dismounting space exists inside the ring rolling device 4, so that a mechanical arm 7 can conveniently extend into the inner ring rolling mechanism 41 or the outer ring rolling mechanism, after the inner ring rolling mechanism 42 is pushed to be close to the outer ring rolling mechanism 41, the inner ring rolling mechanism 42 and the outer ring rolling mechanism 41 can be linked with the outer ring rolling mechanism 421, and the inner ring rolling mechanism 421 can be kept close to the outer ring rolling mechanism 421 and the outer ring rolling mechanism 41, and the inner ring rolling mechanism is kept at the same height as the joint mechanism, and the joint driving mechanism is always in the joint mechanism, and the joint mechanism is the joint mechanism and the ring rolling mechanism and the outer ring rolling mechanism is always and the ring rolling mechanism and the outer ring rolling mechanism.
As shown in fig. 1 and 9, the discharging device 5 comprises a first discharging conveyor belt 51 and a second discharging conveyor belt 52, the first discharging conveyor belt 51 and the second discharging conveyor belt 52 are consistent in structure and symmetrically installed, the first discharging conveyor belt 51 and the second discharging conveyor belt 52 are obliquely installed, bearing components are conveyed from low to high, the bearing components are fed from low to high, a plurality of cooling fans 53 are installed above the first discharging conveyor belt 51 and the second discharging conveyor belt 52, air cooling is carried out in the conveying process of the bearing forgings, baffle plates 511 are connected to the belt surfaces of the first discharging conveyor belt 51 and the second discharging conveyor belt 52, the baffle plates 511 are uniformly distributed along the belt surfaces so as to prevent the bearing forgings from falling in the conveying process, and a collecting box 54 is arranged below the high points of the first discharging conveyor belt 51 and the second discharging conveyor belt 52 and is used for collecting the bearing forgings, and the bearing outer ring forgings and the bearing inner ring forgings are output in a classified mode through the first discharging conveyor belt 51 and the second discharging conveyor belt 52.
As shown in fig. 1, the workpiece slide 6 comprises a first feeding slide 61, a second feeding slide 62, a first outer ring slide 63, a first inner ring slide 64, a second outer ring slide 65, a second inner ring slide 66, an outer ring discharging slide 67 and an inner ring discharging slide 68, wherein the first feeding slide 61 is used for inputting billet raw materials, the second feeding slide 62 is connected with a cake upsetting device 1 and a blanking device 2, the second feeding slide 62 is obliquely arranged, a high point is positioned on the cake upsetting device 1, a rough-headed billet is grabbed on the second feeding slide 62 through a manipulator 7 and then automatically slides to the vicinity of the blanking device 2, the first outer ring slide 63 and the first inner ring slide 64 are connected with the blanking device 2 and a leveling device 3, the blanking device 2 can cut to form an outer ring billet and an inner ring billet, the high point of the first inner ring slideway 64 is arranged at the position below the through hole 241 of the second blank die holder 25, the inner ring blanks cut off and directly fall to the first inner ring slideway 64 to slide up and down, after the blank cutting device 2, classified conveying of the inner ring and the outer ring is realized, the blanks can slide to the position near the flattening device 3 through the first outer ring slideway 63 and the first inner ring slideway 64, the flattening device 3 and the ring rolling device 4 are connected through the second outer ring slideway 65 and the second inner ring slideway 66, the flattening device 3 is connected at the high point of the second outer ring slideway 65, the bearing outer ring blanks and the bearing inner ring blanks are conveyed to the ring rolling device 4 in a classified mode, the outer ring discharging slideway 67 and the inner ring discharging slideway 68 are connected with the ring rolling device 4 and the discharging device 5, the high point of the bearing inner ring forgings after being rolled and expanded are conveyed to the discharging device 5 in a classified mode.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The bearing inner and outer ring forging assembly line comprises a cake upsetting device (1), a blank device (2), a flattening device (3), a ring rolling device (4), a discharging device (5) and a workpiece slideway (6), and is characterized in that the cake upsetting device (1), the blank device (2), the flattening device (3), the ring rolling device (4) and the discharging device (5) are sequentially arranged along a straight line, all the devices are connected through the workpiece slideway (6), a manipulator (7) is arranged near the cake upsetting device (1), the blank device (2), the flattening device (3) and the ring rolling device (4), and the ring rolling device (4) comprises an outer ring rolling mechanism (41), The inner ring grinding mechanism (42) and the synchronous grinding ring power mechanism (43), the outer ring grinding mechanism (41) is fixedly installed on the ground, the inner ring grinding mechanism (42) is movably installed on the ground, when the inner ring grinding mechanism (42) moves towards the outer ring grinding mechanism (41), the outer ring grinding mechanism (41) and the inner ring grinding mechanism (42) can be connected together through the synchronous grinding ring power mechanism (43) in a transmission manner to perform synchronous grinding ring operation of the outer ring and the inner ring of the bearing, and the outer ring grinding mechanism (41) comprises a grinding ring frame (411), The outer ring rolling machine head (412), install aircraft nose lift rail (4111) on the ring rolling machine frame (411), outer ring rolling machine head (412) movable mounting is on aircraft nose lift rail (4111), lift pneumatic cylinder (413) are installed at ring rolling machine frame (411) top, the piston rod end of lift pneumatic cylinder (413) links to each other with outer ring rolling machine head (412), outer ring rolling machine head (412) is last to rotate and is installed outer ring rolling roller (4121), inner ring rolling mechanism (42) also includes ring rolling machine frame (411) and aircraft nose lift rail (4111), inner ring rolling mechanism (42) still includes inner ring rolling machine head (421), inner ring rolling machine head (421) movable mounting is on aircraft nose lift rail (4111) of inner ring rolling mechanism (42), inner ring rolling machine head (421) are last to be installed in a rotating way, ring rolling device (4) still includes aircraft nose linkage subassembly (44), nose subassembly (44) include four gangbar (441) four, four gangbar linkage bar (421) are all in the four corners of the aircraft nose (421) are all connected respectively, the synchronous lifting linkage of the outer ring rolling machine head (412) and the inner ring rolling machine head (421) can be realized through four linkage rods (441), and the synchronous ring rolling power mechanism (43) comprises a driving motor (431), the universal driving shaft (432), driving motor (431) is installed on outer lane ring rolling aircraft nose (412), driving motor (431) is connected with outer lane ring rolling roller (4121) transmission, universal driving shaft (432) fixed connection is on inner circle ring rolling roller (4211), be equipped with spline section (4321) on universal driving shaft (432), be connected with spline socket (433) on the orientation inner circle ring rolling roller (4211) side terminal surface of outer lane ring rolling roller (4121), spline section (4321) can insert in spline socket (433).
2. The forging line for inner and outer rings of a bearing according to claim 1, wherein the blanking device (2) comprises a blanking machine table (21), a first blanking machine (22) and a second blanking machine (23), the first blanking machine (22) and the second blanking machine (23) are arranged on the blanking machine table (21) side by side, blanks sequentially flow through the first blanking machine (22) and the second blanking machine (23), a fine cutter (221) is arranged on the first blanking machine (22), a rough cutter (231) is arranged on the second blanking machine (23), a first blanking die holder (24) and a second blanking die holder (25) are fixedly arranged on the blanking machine table (21), the first blanking die holder (24) is correspondingly arranged at a position right below the fine cutter (221), the second blanking die holder (25) is correspondingly arranged at a position right below the rough cutter (231), and auxiliary blanking components (26) are connected on both sides of the first blanking die holder (24) and the second blanking die holder (25).
3. The forging line for inner and outer rings of a bearing according to claim 2, wherein through holes (241) are formed in the first material cutting die holder (24) and the second material cutting die holder (25), the material cutting machine table (21) is of an inner hollow structure, the through holes (241) penetrate through and extend into the material cutting machine table (21), a waste bin (211) is mounted in the material cutting machine table (21), and the waste bin (211) is arranged below the through holes (241) of the first material cutting die holder (24).
4. The bearing inner and outer ring forging assembly line according to claim 2, wherein the blanking auxiliary assembly (26) comprises screw bases (261) and blanking pressing plates (264), the two screw bases (261) are symmetrically connected to the outer side wall of the blanking die holder, one screw (262) is vertically connected to each screw base (261), springs (263) are sleeved outside the screws (262), the blanking pressing plates (264) are arranged on the two screws (262) in a penetrating mode, the upper ends of the springs (263) are connected with the lower end faces of the blanking pressing plates (264), the lower ends of the springs (263) are connected with the screw bases (261), and limit nuts (265) are arranged on the tops of the screws (262) in a threaded mode.
5. The forging line for the inner ring and the outer ring of the bearing according to claim 1, wherein the outer ring rolling mechanism (41) further comprises an outer ring discharging roller (414) and a guide roller assembly (415), the outer ring discharging roller (414) is rotatably mounted on a ring rolling frame (411) of the outer ring rolling mechanism (41), the outer ring discharging roller (414) is mounted at a position right below the outer ring rolling machine head (412), two guide roller assemblies (415) are also mounted on the ring rolling frame (411), the two guide roller assemblies (415) and the outer ring discharging roller (414) form a figure-shaped layout, the inner ring rolling mechanism (42) further comprises an inner ring discharging roller (422), the inner ring discharging roller (422) is rotatably mounted on the ring rolling frame (411) of the inner ring rolling mechanism (42), two guide roller assemblies (415) are also mounted on the ring rolling frame (411) of the inner ring rolling mechanism (42), and the inner ring discharging roller (422) and the two guide roller assemblies (415) form a figure-shaped layout.
6. The forging line for inner and outer rings of a bearing according to claim 5, wherein a circle of first groove-pressing convex rings (4141) are arranged on the outer circular surface of the outer ring discharging roller (414), and a circle of second groove-pressing convex rings (4212) are arranged on the outer circular surface of the inner ring grinding roller (4211).
7. The forging line for inner and outer rings of a bearing according to claim 1, wherein the ring rolling device (4) further comprises a translation mechanism (45), the translation mechanism (45) comprises a moving rail (451) and a cylinder pushing frame (452), the ring rolling mechanism (42) is translationally installed on the moving rail (451), a translation pushing cylinder (453) is installed on the cylinder pushing frame (452), a piston rod end of the translation pushing cylinder (453) is connected with the rear end face of the ring rolling frame (411) of the ring rolling mechanism (42), and the translation pushing cylinder (453) can push the ring rolling mechanism (42) to be close to or far away from the ring rolling mechanism (41).
8. The bearing inner and outer ring forging assembly line according to claim 1, wherein the discharging device (5) comprises a first discharging conveyor belt (51) and a second discharging conveyor belt (52), the first discharging conveyor belt (51) and the second discharging conveyor belt (52) are identical in structure and are symmetrically installed, the first discharging conveyor belt (51) and the second discharging conveyor belt (52) are obliquely installed, bearing components are conveyed from low to high, a plurality of cooling fans (53) are installed above the first discharging conveyor belt (51) and the second discharging conveyor belt (52), baffles (511) are connected to the belt surfaces of the first discharging conveyor belt (51) and the second discharging conveyor belt (52), and a material collecting box (54) is placed below the high points of the first discharging conveyor belt (51) and the second discharging conveyor belt (52).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108326566A (en) * | 2018-03-02 | 2018-07-27 | 江苏保捷精锻有限公司 | A kind of efficient full-automatic bearing circle production line and its working method |
| CN108620605A (en) * | 2018-07-17 | 2018-10-09 | 浙江信石轴承有限公司 | A kind of bearing internal external circle synchronizes automatic production line and production technology |
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| JP5309690B2 (en) * | 2008-05-23 | 2013-10-09 | 日本精工株式会社 | Manufacturing method of inner and outer rings of rolling bearing |
| CN108188757A (en) * | 2018-03-02 | 2018-06-22 | 江苏保捷精锻有限公司 | It is a kind of that there is the automatic bearing race production line and its method of work for grinding and expanding structure |
| CN108326567B (en) * | 2018-03-02 | 2024-06-04 | 江苏保捷精锻有限公司 | Bearing ring production line with full-automatic forging structure and working method thereof |
| CN108480536A (en) * | 2018-03-02 | 2018-09-04 | 江苏保捷精锻有限公司 | A kind of automatic forging method and apparatus of bearing products |
| CN108673069B (en) * | 2018-07-17 | 2023-07-11 | 浙江信石轴承有限公司 | Full-automatic bearing production line and process |
| CN112620557A (en) * | 2020-12-18 | 2021-04-09 | 江苏保捷精锻有限公司 | Automobile hub bearing cold rolling and expanding forming equipment and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326566A (en) * | 2018-03-02 | 2018-07-27 | 江苏保捷精锻有限公司 | A kind of efficient full-automatic bearing circle production line and its working method |
| CN108620605A (en) * | 2018-07-17 | 2018-10-09 | 浙江信石轴承有限公司 | A kind of bearing internal external circle synchronizes automatic production line and production technology |
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