阅读说明：本技术 一种多工位轴承套圈碾环装置 (Multi-station bearing ring grinding device ) 是由 马桢明 倪林 毛永洁 于 2020-04-07 设计创作，主要内容包括：本发明公开了一种多工位轴承套圈碾环装置,包括卧式碾环机,卧式碾环机的芯轴通过左右两个抱臂与支架连接；多个卧式碾环机沿与支架移动方向相垂直的方向排布；每个卧式碾环机的芯轴加工初始位置的正上方设置有垂直向下输送待加工件的上料装置；中间的上料装置正上方设置有送料装置；两侧的上料装置上方设置有可水平往复运动的多工位链板输送机；多工位链板输送机可移动到送料装置的正下方,接住从送料装置放下的待加工件,并输送到对应的碾环机的芯轴的正上方,通过机械手送到上料装置上进行输送和上料。本发明可以大大降低上料时的时间间隔,保持多个碾环机连续的持续作业,实现了流水线作业,加工时间可以降低到原来常规加工方式的六成左右。(The invention discloses a multi-station bearing ring rolling device which comprises a horizontal ring rolling machine, wherein a mandrel of the horizontal ring rolling machine is connected with a support through a left holding arm and a right holding arm; the plurality of horizontal ring rolling mills are arranged along the direction vertical to the moving direction of the bracket; a feeding device for vertically and downwardly conveying workpieces to be processed is arranged right above the initial processing position of the mandrel of each horizontal ring rolling machine; a feeding device is arranged right above the middle feeding device; a multi-station chain plate conveyor capable of horizontally reciprocating is arranged above the feeding devices on the two sides; the multi-station chain plate conveyor can move to the position right below the feeding device, receives the workpiece to be machined placed from the feeding device, conveys the workpiece to the position right above a mandrel of the corresponding ring rolling machine, and conveys the workpiece to the feeding device through the manipulator for conveying and feeding. The invention can greatly reduce the time interval during feeding, keep continuous operation of a plurality of ring rolling machines, realize the assembly line operation and reduce the processing time to about six costs of the original conventional processing mode.)

1. The utility model provides a multistation bearing ring grinds ring device, includes horizontal ring rolls, its characterized in that: a mandrel of the horizontal ring rolling mill is connected with the bracket through a left holding arm and a right holding arm; the plurality of horizontal ring rolling mills are arranged in parallel along the direction vertical to the moving direction of the bracket; a feeding device for vertically and downwardly conveying workpieces to be processed is arranged right above the initial processing position of the mandrel of each horizontal ring rolling machine; a feeding device is arranged right above the middle feeding device; a multi-station chain plate conveyor capable of horizontally reciprocating is arranged above the feeding devices on the two sides; the multi-station chain plate conveyor can move to the position right below the feeding device, receives the workpiece to be machined placed from the feeding device, conveys the workpiece to the position right above a mandrel of the corresponding ring rolling machine, and conveys the workpiece to the feeding device through the manipulator for conveying and feeding.

2. The multi-station bearing ring rolling device according to claim 1, wherein: the outer side of the multi-station chain plate conveyor is provided with a reciprocating propulsion device which is used for propelling the multi-station chain plate conveyor to the position right below the feeding device; the reciprocating propulsion device comprises a support, a guide groove plate, a second driving block, a connecting rod, a rotating wheel, a first driving block and a triangular support frame; a rotating wheel is fixed on one side of the support through a triangular support frame, and a guide groove plate is arranged on the other side of the support along the horizontal direction; a first driving block is eccentrically arranged on the rotating wheel; one end of the connecting rod is connected with the first driving block, and the other end of the connecting rod is connected with the second driving block fixed on the multi-station chain plate conveyor.

3. The multi-station bearing ring rolling device according to claim 2, wherein: the multi-station chain plate conveyor comprises a third chain plate conveyor, a motor, a reciprocating bracket and a guide sliding plate; the third chain plate conveyor is arranged on the reciprocating movable support; a guide sliding plate is arranged below the reciprocating moving support; the guide sliding plate is connected with the sliding groove on the guide groove plate and slides; and the third chain plate conveyor is driven by a motor to convey the workpiece to be machined.

4. The multi-station bearing ring rolling device according to claim 1, wherein: the feeding device comprises a first square pipe, a first chain plate conveyor, a screw, a connecting plate and a locking block; a group of first chain plate conveyors arranged side by side is arranged in the first square pipe; corresponding connecting plates are arranged on the two first chain plate conveyors along the inner wall positions of the two sides of the first square pipe; the connecting plate is connected with a screw through an internal thread; one end of the screw penetrates through the connecting plate and then is fixed with the locking blocks, and the distance between the two corresponding locking blocks is larger than the outer diameter of the workpiece to be machined; and the other end of the screw is provided with an inner hexagonal hole.

5. The multi-station bearing ring rolling device according to claim 4, wherein: the side surfaces of two ends of the first square pipe are respectively provided with a guide pipe; the diameter of the inner hole of the guide pipe is larger than the diameter of the circumscribed circle of the hexagonal socket of the screw rod, and the axis of the guide pipe is the same as the axis of the hexagonal socket of the screw rod; and a limiting plate is arranged on the outer surface of one end, provided with the hexagon socket, of the screw rod.

6. The multi-station bearing ring rolling device according to claim 1, wherein: the feeding device comprises a second square pipe, a second chain plate conveyor and a discharging mechanism; the second square pipe is vertically arranged, and the upper end of the second square pipe corresponds to the discharge end of the first square pipe of the feeding device; a group of second chain plate conveyors for carrying out vertical downward transportation is arranged in the second square pipe; the left side surface and the right side surface of the second chain plate conveyor are respectively and correspondingly provided with a blanking mechanism; the vertical central line of the second square pipe is superposed with the axis of the mandrel; the blanking mechanism supports the left side and the right side of the lower surface of the workpiece to be machined and conveys the workpiece to a discharge hole of the feeding device.

7. The multi-station bearing ring rolling device according to claim 6, wherein: the blanking mechanism comprises a connecting block, a hydraulic cylinder, a hinge, a fixing plate, a supporting block and a locking block; one side of the connecting block is fixed with the second chain plate conveyor, and the lower surface of the other side surface is movably connected with a supporting block through a hinge; the upper surface of the supporting block is fixed with one end of the inclined fixing plate; the other end of the fixing plate is provided with a through hole; the connecting rod arranged on the hydraulic cylinder on the front side of the connecting block can pass through the through hole of the fixing plate to be locked with the locking block.

8. The multi-station bearing ring rolling device according to claim 6, wherein: the discharge end of the first square pipe is provided with an opening corresponding to the feed end of a second square pipe of the middle feeding device.

9. The multi-station bearing ring rolling device according to claim 1, wherein: the horizontal ring rolling mill comprises a driving device, a lathe bed, a bracket, a main roller, a holding roller and a mandrel; the machine body is provided with a holding roller and a bracket capable of moving along the horizontal direction; the bracket is provided with a main roller which is longitudinally arranged; the driving device is connected with the main roller; the support is provided with a left holding arm and a right holding arm which are coaxial with the core shaft, and the holding arms can hold the bearing arranged at the upper end of the core shaft tightly.

Technical Field

The invention relates to the technical field of machining, in particular to a multi-station bearing ring rolling device.

Background

The bearing ring is a ring-shaped part of a centripetal rolling bearing with one or more raceways, and the production process sequentially comprises the working procedures of forging, stamping, ring rolling and finish machining. The rolling of the ring (also called ring rolling, reaming and ring rolling) is a plastic processing technology which makes the ring produce continuous local plastic deformation by means of a ring rolling machine (also called ring rolling machine, ring rolling mill and reaming machine) so as to realize wall thickness reduction, diameter enlargement and cross section profile forming. The conventional ring rolling mill in the market is disconnected with the forging and stamping processes, the forging and stamping rhythm is much higher than the ring rolling rhythm, so that a workpiece to be machined after forging and stamping needs to wait for a long time to enter the ring rolling mill for ring rolling, a lot of waiting time is left in the operation process of an operator, and manpower is wasted; moreover, the waiting time of the workpiece to be machined after forging and stamping is long, the machining difficulty of the ring rolling mill is greatly increased, and the working efficiency is seriously influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a multi-station bearing ring rolling device.

The invention is realized by adopting the following technical scheme:

a multi-station bearing ring rolling device comprises a horizontal ring rolling machine, wherein a mandrel of the horizontal ring rolling machine is connected with a support through a left holding arm and a right holding arm; the plurality of horizontal ring rolling mills are arranged in parallel along the direction vertical to the moving direction of the bracket; a feeding device for vertically and downwardly conveying workpieces to be processed is arranged right above the initial processing position of the mandrel of each horizontal ring rolling machine; a feeding device is arranged right above the middle feeding device; a multi-station chain plate conveyor capable of horizontally reciprocating is arranged above the feeding devices on the two sides; the multi-station chain plate conveyor can move to the position right below the feeding device, receives the workpiece to be machined placed from the feeding device, conveys the workpiece to the position right above a mandrel of the corresponding ring rolling machine, and conveys the workpiece to the feeding device through the manipulator for conveying and feeding.

Furthermore, a reciprocating propulsion device is arranged on the outer side of the multi-station chain plate conveyor and used for propelling the multi-station chain plate conveyor to the position right below the feeding device; the reciprocating propulsion device comprises a support, a guide groove plate, a second driving block, a connecting rod, a rotating wheel, a first driving block and a triangular support frame; a rotating wheel is fixed on one side of the support through a triangular support frame, and a guide groove plate is arranged on the other side of the support along the horizontal direction; a first driving block is eccentrically arranged on the rotating wheel; one end of the connecting rod is connected with the first driving block, and the other end of the connecting rod is connected with the second driving block fixed on the multi-station chain plate conveyor.

Further, the multi-station chain plate conveyor comprises a third chain plate conveyor, a motor, a reciprocating support and a guide sliding plate; the third chain plate conveyor is arranged on the reciprocating movable support; a guide sliding plate is arranged below the reciprocating moving support; the guide sliding plate is connected with the sliding groove on the guide groove plate and slides; and the third chain plate conveyor is driven by a motor to convey the workpiece to be machined.

Further, the feeding device comprises a first square pipe, a first chain plate conveyor, a screw, a connecting plate and a locking block; a group of first chain plate conveyors arranged side by side is arranged in the first square pipe; corresponding connecting plates are arranged on the two first chain plate conveyors along the inner wall positions of the two sides of the first square pipe; the connecting plate is connected with a screw through an internal thread; one end of the screw penetrates through the connecting plate and then is fixed with the locking blocks, and the distance between the two corresponding locking blocks is larger than the outer diameter of the workpiece to be machined; and the other end of the screw is provided with an inner hexagonal hole.

Furthermore, the side surfaces of two ends of the first square pipe are respectively provided with a guide pipe; the diameter of the inner hole of the guide pipe is larger than the diameter of the circumscribed circle of the hexagonal socket of the screw rod, and the axis of the guide pipe is the same as the axis of the hexagonal socket of the screw rod; and a limiting plate is arranged on the outer surface of one end, provided with the hexagon socket, of the screw rod.

Further, the feeding device comprises a second square pipe, a second chain plate conveyor and a discharging mechanism; the second square pipe is vertically arranged, and the upper end of the second square pipe corresponds to the discharge end of the first square pipe of the feeding device; a group of second chain plate conveyors for carrying out vertical downward transportation is arranged in the second square pipe; the left side surface and the right side surface of the second chain plate conveyor are respectively and correspondingly provided with a blanking mechanism; the vertical central line of the second square pipe is superposed with the axis of the mandrel; the blanking mechanism supports the left side and the right side of the lower surface of the workpiece to be machined and conveys the workpiece to a discharge hole of the feeding device.

Further, the blanking mechanism comprises a connecting block, a hydraulic cylinder, a hinge, a fixing plate, a supporting block and a locking block; one side of the connecting block is fixed with the second chain plate conveyor, and the lower surface of the other side surface is movably connected with a supporting block through a hinge; the upper surface of the supporting block is fixed with one end of the inclined fixing plate; the other end of the fixing plate is provided with a through hole; the connecting rod arranged on the hydraulic cylinder on the front side of the connecting block can pass through the through hole of the fixing plate to be locked with the locking block.

Furthermore, the discharge end of the first square pipe is provided with an opening corresponding to the feed end of the second square pipe of the middle feeding device.

Further, the horizontal ring rolling mill comprises a driving device, a lathe bed, a support, a main roller, a holding roller and a mandrel; the machine body is provided with a holding roller and a bracket capable of moving along the horizontal direction; the bracket is provided with a main roller which is longitudinally arranged; the driving device is connected with the main roller; the support is provided with a left holding arm and a right holding arm which are coaxial with the core shaft, and the holding arms can hold the bearing arranged at the upper end of the core shaft tightly.

In conclusion, the invention has the following beneficial effects: (1) the invention changes the original feeding mode, the mandrel is tightly held by the left holding arm and the right holding arm, and then the mandrel is processed, so that the time interval during feeding can be greatly reduced, and the continuous operation of the ring rolling mill is kept; (2) the operation time of the workpiece to be machined between the working procedures can be reduced through the feeding device and the feeding device; the processing time can be reduced to about 80 percent of the original conventional processing mode; (3) the heat loss of the parts to be machined in the feeding device is low, the optimal machining stability of each part to be machined can be ensured, the machining is easier, the power consumption in the machining process is low, the energy is saved, and the quality of the machined bearing ring is better and more stable; (4) the multi-station chain plate conveyor and the reciprocating propulsion device can realize the simultaneous operation of a plurality of ring rolling machines, thereby greatly improving the beat of the workpiece to be processed in the forging and stamping processes, realizing the streamlined operation, and dividing the processing amount of the same batch into two parts; (5) under the condition of small processing amount, the middle feeding device can be used for operation, and the feeding devices on two sides and the multi-station chain plate conveyor are stopped, so that the multi-station chain plate conveyor has the characteristics of energy conservation and environmental protection.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a partial structure schematic diagram of a conventional product.

Fig. 3 is a schematic structural diagram of relative positions of the feeding device, the multi-station chain plate conveyor and the reciprocating propulsion device.

Fig. 4 is a schematic structural view of the feeding device of the present invention.

FIG. 5 is a schematic structural diagram of a loading device according to the present invention.

Fig. 6 is a schematic top view of the feeding device a of the present invention.

Fig. 7 is a schematic structural view of the blanking mechanism of the present invention.

Fig. 8 is a schematic structural view of the feeding mechanism of the present invention moving to different positions.

FIG. 9 is a schematic structural diagram of a member to be machined of the bearing ring according to the present invention.

Fig. 10 is a schematic structural view of the multi-station chain scraper conveyor of the invention.

Fig. 11 is a schematic structural view of the reciprocating propulsion device of the present invention.

Fig. 12 is a schematic view of the transmission structure of the feeding device on two sides and the multi-station chain plate conveyor.

Wherein: a feeding device 100; a feeding device 200; a driving device 300; a bed 400; a bracket 500; a main roll 600; a wrap around roller 700; a mandrel 800; the arm 900; a first square tube 101; a first apron conveyor 102; a stopper plate 103; a guide tube 104; a screw 105; a connecting plate 106; an opening 107; a locking block 108; a second square tube 201; a second apron conveyor 202; a blanking mechanism 203; a connecting block 2031; a hydraulic cylinder 2032; a hinge 2033; a fixing plate 2034; a support block 2035; a locking block 2036; a multi-station chain plate conveyor 1000; a reciprocating propulsion device 2000; a manipulator 3000; a third apron conveyor 1001; a motor 1002; a reciprocating carriage 1003; a guide slide 1004; a support 2001; a guide groove plate 2002; a second drive block 2003; a connecting rod 2004; a rotating wheel 2005; a first drive block 2006; a triangular support 2007.

Detailed Description

As shown in fig. 1 to 12, the present invention is further explained in conjunction with the embodiments and the accompanying drawings.