CN109551248B - Production line for machining stepped gear ring and machining process of production line - Google Patents

Production line for machining stepped gear ring and machining process of production line Download PDF

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Publication number
CN109551248B
CN109551248B CN201811509597.7A CN201811509597A CN109551248B CN 109551248 B CN109551248 B CN 109551248B CN 201811509597 A CN201811509597 A CN 201811509597A CN 109551248 B CN109551248 B CN 109551248B
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China
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gear ring
gear
reaming
ring
rotary
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CN109551248A (en
Inventor
陈波
王正国
陆以春
毛易鹏
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Jiangsu Baojie Automobile Components And Parts Forging Co ltd
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Jiangsu Baojie Automobile Components And Parts Forging Co ltd
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Publication of CN109551248A publication Critical patent/CN109551248A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/06Metal-working plant comprising a number of associated machines or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels

Abstract

The invention discloses a production line for processing a stepped gear ring, which comprises a rotary table, a first hole expanding unit, a second hole expanding unit and a third hole expanding unit, wherein the first hole expanding unit, the second hole expanding unit and the third hole expanding unit work independently, and each of the first hole expanding unit, the second hole expanding unit and the third hole expanding unit comprises a gear ring detection assembly, a gear ring feeding assembly and a gear ring hole expanding unit; the gear ring reaming unit comprises a first drilling device, a reaming device and a step hole milling device. The invention can screen gear rings with various specifications and sizes and expand steps, each working unit can detect the external dimensions of the gear rings, transfer the gear rings and expand the gear rings, the gear rings are transferred among the first drilling device, the expanding device, the reaming device and the step hole milling device through the mechanical arm, and different cutters are arranged on the first drilling device, the expanding device, the reaming device and the step hole milling device, so that the step holes of the gear rings are machined.

Description

Production line for machining stepped gear ring and machining process of production line
Technical Field
The invention belongs to the field of gear ring production and manufacturing, and particularly relates to a production line for machining a stepped gear ring. The invention also relates to a processing technology of the production line for processing the step type gear ring.
Background
Most gear ring processes used by the automobile assembly are forging forming, and the mode of domestic design is that a step-free gear ring is forged and then steps are machined. The process flow comprises a large number of turning procedures, and the turning quantity of metal is large, so that the material waste is serious. To solve this problem, research on forging processes of stepped gear rings has been carried out at home and abroad. There is a tendency to fold due to the step reaming and the risk of cracks appearing is high. Therefore, a set of reasonable equipment and procedures capable of reaming the gear ring steps is continued.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the production line for processing the stepped gear ring, which has the advantages of simple structure, reasonable design, easiness in production, high automation degree, reduction of the amount of manual labor and improvement of the working efficiency. The invention also provides a processing technology of the production line for processing the stepped gear ring, the working principle is simple and easy to implement, the automation degree of the working process is high, the required manpower is less, the production efficiency is improved, and the processing technology is suitable for industrial large-scale application.
The technical scheme is as follows: a production line for machining a stepped gear ring comprises a rotary table, a first hole expanding unit, a second hole expanding unit and a third hole expanding unit, wherein the rotary table is a circular rotary table, the first hole expanding unit, the second hole expanding unit and the third hole expanding unit are uniformly arranged outside the circumference of the rotary table at intervals, the first hole expanding unit, the second hole expanding unit and the third hole expanding unit work independently, each of the first hole expanding unit, the second hole expanding unit and the third hole expanding unit comprises a gear ring detection assembly, a gear ring feeding assembly and a gear ring hole expanding unit, one end of the gear ring detection assembly is connected with the rotary table, the gear ring feeding assembly is connected with the outer circumference of the rotary table, and the gear ring feeding assembly can transfer the gear ring to the gear ring hole expanding unit; the gear ring reaming unit comprises a first drilling device, a reaming device and a step hole milling device, the first drilling device, the reaming device and the step hole milling device all comprise a machine base, a portal frame, a spindle box, a spindle, a cutter and a workbench, the portal frame is arranged on the machine base, the spindle box is arranged on the portal frame, the spindle box is located above the workbench, the spindle is connected with the spindle box, and the cutter is arranged on the spindle. The production line for machining the stepped gear rings can screen gear rings with various specifications and sizes and perform step reaming, the first reaming unit, the second reaming unit and the third reaming unit which work independently are arranged, the working efficiency is improved, each working unit can perform gear ring outline dimension detection, gear ring transfer and gear ring reaming, gear rings are transferred among the first drilling device, the reaming device and the step hole milling device through the manipulator, and different cutters are arranged on the first drilling device, the reaming device and the step hole milling device to complete machining of gear ring step holes.
Furthermore, in the production line for processing the stepped gear ring, the workbench is provided with the four-jaw chuck. The workpiece can be stably fixed by the four-jaw chuck.
Further, foretell a production line for processing step ring gear, the revolving stage includes carousel, a set of stock guide, supporting seat, a driving motor, first stand and baffle, a driving motor and a supporting connection, the carousel is fixed to be set up on the up end of supporting seat to be equipped with a plurality of ring gears in the carousel, first stand sets up the intermediate position at the carousel to first stand can rotate along with the carousel, the cross-section of baffle is circular to the baffle is in the outside of the outer circumference of carousel, the even setting in one end interval of a set of stock guide is on the inner wall of baffle, and the stock guide slope sets up, the stock guide is kept away from and is formed the ring gear feed inlet between the tip of baffle and the inner wall of baffle, ring gear material loading subassembly is connected with the ring gear feed inlet. The revolving stage that sets up can pass through the stock guide with the ring gear and remove to ring gear feed inlet department, and the accessible ring gear material loading subassembly that accords with the size requirement transports to corresponding ring gear reaming subassembly, carries out the reaming.
Further, foretell a production line for processing step ring gear, the upper end of first stand is equipped with annular spout, ring gear detection component's one end sets up in the spout.
Further, in the production line for processing the stepped gear ring, the gear ring detection assembly comprises a second upright post, a first cross beam, a roller, a rodless cylinder, a first cylinder, an electromagnet, a CCD camera and a first slider, the second upright post is arranged outside the outer circumference of the turntable, one end of the first cross beam is connected with the second upright post, the roller is arranged at the other end of the first cross beam, the first cross beam is erected above the turntable, the roller is arranged in a chute, the chute can rotate relative to the roller, the rodless cylinder is arranged on the end surface of the first cross beam close to the turntable, the first slider is arranged on the rodless cylinder, the first cylinder is arranged on the lower end surface of the first slider, the electromagnet is arranged at the lower end part of the first cylinder, the CCD camera is arranged on the first slider through a support frame, and the first slider is positioned at one side of the electromagnet close to the first upright post, the first sliding block is positioned above the feeding hole of the gear ring. The gear rings which accord with the gear ring feed inlet and are recorded by the CCD camera are absorbed by the electromagnet and placed back to the middle of the turntable, and the gear rings move to other gear ring feed inlets under the rotation of the turntable.
Further, foretell a production line for processing step ring gear, ring gear material loading subassembly includes that pay-off slide, ring gear transport manipulator and slip subassembly, the pay-off slide is connected with the ring gear feed inlet, it is outside that the slip subassembly is in the carousel, the ring gear transports the manipulator setting on the slip subassembly, ring gear accessible ring gear on the pay-off slide transports manipulator and slip subassembly and transports to the ring gear reaming unit on. And the gear ring with the size meeting the requirement enters a feeding slideway and is moved to the reaming component through a gear ring transferring manipulator.
Further, foretell a production line for processing step ring gear, the manipulator is transported to the ring gear includes fixing base, action wheel, follows driving wheel, first centre gripping arm and second centre gripping arm, the fixing base is connected with the slip subassembly, the action wheel with from the driving wheel setting on the fixing base to action wheel and follow driving wheel intermeshing, first centre gripping arm is connected with the action wheel, second centre gripping arm with from the driving wheel connection, the inner wall of first centre gripping arm and second centre gripping arm all is equipped with curved first recess, first recess on the first centre gripping arm and the first recess on the second centre gripping arm form the cross-section and be circular shape clamping part, the action wheel passes through servo motor drive, be equipped with the elastic rubber pad on the inner wall of first recess. First centre gripping arm and second centre gripping arm can be close to each other or part, forms the clamping part of circular cross section through first recess on the first centre gripping arm and the first recess on the second centre gripping arm, stably carries out the centre gripping of ring gear, and the elastic rubber pad of setting can prevent that the ring gear from being hindered by the clamp.
Further, foretell a production line for processing step ring gear, slip subassembly includes second driving motor, screw rod, guide rail, second slider, second cylinder, arm and screw rod supporting seat, screw rod and guide rail parallel arrangement each other are on the screw rod supporting seat, second driving motor is connected with the one end of screw rod, the second slider cover is established on screw rod and guide rail, the second cylinder sets up on the lower terminal surface of second slider, the arm sets up the lower tip at the second cylinder, the fixing base sets up the tip of keeping away from the second cylinder at the arm of machinery. And the gear ring is transferred between the feeding slide way and the wheel reaming component through the repeated movement of the second slide block on the screw rod.
Further, foretell a production line for processing step ring gear, the production line of step ring gear still includes the step and forges the unit, the step forges the unit and includes the board, rotates platform, four-jaw chuck, first main shaft and forging and pressing roller, the platform that rotates sets up on the board, four-jaw chuck sets up on rotating the platform, first main shaft sets up on the board to first main shaft is located and rotates the platform top, forge the lower tip of compression roller setting at first main shaft. The outer wall of the hotter ring gear is pressed out with a forging roll.
The invention also provides a processing technology of the production line for processing the stepped gear ring, which comprises the following steps:
1) the heated and forged gear ring is placed on a four-jaw chuck of the step forging unit through a manipulator, and the gear ring is in a cooling state;
2) the forging and pressing roller is arranged to tightly press the outer wall of the gear ring, the rotating platform is started to rotate and simultaneously drives the gear ring to rotate, the forging and pressing roller forms an outer step along the outer circumference of the gear ring, the gear ring is taken down through a manipulator and cooled, and the gear ring is placed on the turntable;
3) placing a gear ring with the size meeting the requirement of a gear ring feed inlet at a gear ring feed inlet, wherein a CCD camera is positioned at the gear ring feed inlet, and recording the overall size of the gear ring by the CCD camera;
4) the first driving motor is started to drive the rotary table to rotate relative to the material guide plate and the baffle plate, the gear rings in the rotary table rotate along with the rotary table, and the gear rings are gathered at a gear ring feeding port;
5) when the turntable rotates, the roller rotates in the chute;
6) the gear ring which meets the size requirement at the gear ring feed inlet slides into the feeding slideway, and the CCD camera records the external dimension of the next gear ring at the gear ring feed inlet;
7) when the gear ring at the gear ring feeding port does not meet the size requirement, the rodless cylinder is started, the electromagnet is moved to the gear ring feeding port, the first cylinder and the electromagnet are started simultaneously, the electromagnet is close to the gear ring, and the gear ring is adsorbed on the electromagnet;
8) the first air cylinder is retracted, the rodless air cylinder is continuously started and moves towards the center of the rotary table, the first sliding block is located in the middle of the first cross beam, the electromagnet is powered off, magnetism disappears, and the gear ring on the electromagnet falls into the rotary table;
9) the first sliding block returns to the initial position of the first beam;
10) entering a gear ring of the feeding slideway and reaching the tail end of the feeding slideway;
11) the second cylinder drives the mechanical arm to move towards the feeding slideway until the first clamping arm and the second clamping arm are close to the feeding slideway;
12) the driving wheel is started under the action of the servo motor to drive the driven wheel to rotate, and the first clamping arm and the second clamping arm are close to each other to clamp the gear ring;
13) the second cylinder drives the mechanical arm to rise, the second driving motor drives the screw to rotate, and the second sliding block moves towards the gear ring reaming unit;
14) the second sliding block moves to the first drilling device, the gear ring is placed on a workbench of the first drilling device, a drill bit is arranged on the main shaft, a bottom hole of the step hole is drilled, and after drilling is finished, the gear ring is transferred to the hole expanding device by the transferring mechanical arm;
15) installing an end mill on the reaming device, reaming the bottom hole in the step 14), and transferring the gear ring to the reaming device by a transferring manipulator after reaming is finished;
16) mounting a reamer on the reaming device, performing finish machining on the reamed holes in the step 15), and transferring the gear ring to a finishing outer step device by using a transfer manipulator after the finish machining is finished;
17) and a milling cutter is arranged on the finishing outer step device to finish the steps on the gear ring, and after finishing, the gear ring is taken out by a manipulator or a worker.
The machining process for the production line for machining the stepped gear ring is simple and easy in working principle, high in automation degree of the working process, low in manpower requirement, high in production efficiency and suitable for industrial large-scale application.
The technical scheme shows that the invention has the following beneficial effects: the production line for machining the stepped gear ring is simple in structure, reasonable in design and easy to produce. The production line for processing the step type gear ring has the advantages of high automation degree, high working efficiency and flexible application. The machining process for the production line for machining the stepped gear ring is simple and easy in working principle, high in automation degree of the working process, low in manpower requirement, high in production efficiency and suitable for industrial large-scale application.
Drawings
FIG. 1 is a schematic structural diagram of a reaming line for multi-gauge ring gears according to the present invention;
FIG. 2 is a front view of a multi-gauge ring gear reaming line according to the present invention;
FIG. 3 is a schematic structural view of a ring gear feeding assembly according to the present invention;
FIG. 4 is a schematic structural diagram of a ring gear transfer robot according to the present invention;
fig. 5 is a schematic structural diagram of a first drilling device, a reaming device or a step hole milling device according to the invention;
fig. 6 is a top view of a first drilling, reaming or milling device according to the invention;
FIG. 7 is a schematic structural view of a step forging unit according to the present invention.
In the figure: the device comprises a rotary table 1, a rotary table 11, a material guide plate 12, a support base 13, a first driving motor 14, a first upright post 15, a sliding groove 151, a baffle 16, a gear ring feed port 17, a first reaming unit 2, a second reaming unit 3, a third reaming unit 4, a gear ring detection assembly 5, a second upright post 51, a first cross beam 52, a roller 53, a rodless cylinder 54, a first cylinder 55, an electromagnet 56, a CCD camera 57, a first sliding block 58, a gear ring feeding assembly 6, a feeding slideway 61, a gear ring transferring manipulator 62, a fixed base 621, a driving wheel 622, a driven wheel 623, a first clamping arm 624, a second clamping arm 625, a first groove 626, a sliding assembly 63, a second driving motor 631, a screw 632, a guide rail 633, a second sliding block, a second cylinder 635, a mechanical arm 636, a screw support base 637, a gear ring reaming unit 7, a machine base 71, a portal frame 72, a spindle box 73, a spindle 74, a cutter 75, the four-jaw drilling machine comprises a four-jaw chuck 761, a first drilling device 8, a hole expanding device 9, a reaming device 10, a step hole milling device 20, a step forging unit 30, a machine table 301, a rotating table 302, a first main shaft 303, a forging roller 304 and a gear ring 100.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The production line for machining a stepped ring gear, as shown in fig. 1, 2, 5 and 6, includes a turntable 1, a first reaming unit 2, a second reaming unit 3 and a third reaming unit 4, the rotary table 1 is a circular rotary table, the first reaming unit 2, the second reaming unit 3 and the third reaming unit 4 are uniformly arranged outside the circumference of the rotary table 1 at intervals, the first 2, second 3 and third 4 reaming units work independently of each other, the first reaming unit 2, the second reaming unit 3 and the third reaming unit 4 respectively comprise a gear ring detection assembly 5, a gear ring feeding assembly 6 and a gear ring reaming unit 7, one end of the gear ring detection assembly 5 is connected with the rotary table 1, the gear ring feeding assembly 6 is connected with the outer circumference of the rotary table 1, and the gear ring feeding assembly 6 can transfer a gear ring to the gear ring reaming unit 7; the gear ring reaming unit 7 comprises a first drilling device 8, a reaming device 9, a reaming device 10 and a step hole milling device 20, wherein the first drilling device 8, the reaming device 9, the reaming device 10 and the step hole milling device 20 respectively comprise a base 71, a portal frame 72, a spindle box 73, a spindle 74, a cutter 75 and a workbench 76, the portal frame 72 is erected on the base 71, the spindle box 73 is arranged on the portal frame 72, the spindle box 73 is located above the workbench 76, the spindle 74 is connected with the spindle box 73, and the cutter 75 is arranged on the spindle 74. A four-jaw chuck 761 is provided on the table 76. The gear ring is fastened on a four-jaw chuck 761 of the first drilling device 8, the hole expanding device 9, the reaming device 10 or the step hole milling device 20, the gear ring is fixed, then the procedures of bottom hole drilling, hole expanding, hole reaming and step hole milling are sequentially carried out, and the step hole of the gear ring can be gradually machined. In addition, the rotary table 1 comprises a rotary table 11, a group of material guide plates 12, a supporting seat 13, a first driving motor 14, a first upright post 15 and a baffle plate 16, wherein the first driving motor 14 is connected with the supporting seat 13, the rotary table 11 is fixedly arranged on the upper end surface of the supporting seat 13, a plurality of gear rings are arranged in the rotary table 11, the first upright post 15 is arranged in the middle of the rotary table 11, the first upright post 15 can rotate along with the rotary table 11, the cross section of the baffle plate 16 is circular, the baffle plate 16 is arranged outside the outer circumference of the rotary table 11, one ends of the group of material guide plates 12 are uniformly arranged on the inner wall of the baffle plate 16 at intervals, the material guide plates 12 are obliquely arranged, a gear ring feeding hole 17 is formed between the end part of the material guide plates 12 far away from the baffle plate 16 and the inner wall of the baffle. The baffle 16 is close to the outer circumference of the rotating disk 11 but does not contact with the outer circumferential wall of the rotating disk 11, the material guiding plate 12 is arranged on the inner wall of the baffle 16, so that when the rotating disk 11 rotates, the baffle 16 and the material guiding plate 12 do not rotate, the gear ring rotates along with the rotating disk 11, and the gear ring is gathered at the gear ring feeding hole 17 through the material guiding plate 12. Satisfactory access to the annulus reaming assembly 7 is provided by the annulus loading assembly 6. The upper end of the first upright post 15 is provided with a circular sliding groove 151, and one end of the gear ring detection assembly 5 is arranged in the sliding groove 151. Through setting up spout 151, the one end setting of ring gear determine module 5 is in spout 151, because ring gear determine module 5 fixes the outside motionless at carousel 11, when carousel 11 drives first stand 15 and rotates, can keep ring gear determine module 5 motionless. The gear ring detection assembly 5 comprises a second upright post 51, a first cross beam 52, a roller 53, a rodless cylinder 54, a first cylinder 55, an electromagnet 56, a CCD camera 57 and a first slide block 58, wherein the second upright post 51 is arranged outside the outer circumference of the turntable 11, one end of the first cross beam 52 is connected with the second upright post 51, the other end of the first cross beam 52 is provided with the roller 53, the first cross beam 52 is erected above the turntable 11, the roller 53 is arranged in a chute 151, the chute 151 can rotate relative to the roller 53, the rodless cylinder 54 is arranged on the end surface of the first cross beam 52 close to the turntable 11, the first slide block 58 is arranged on the rodless cylinder 54, the first cylinder 55 is arranged on the lower end surface of the first slide block 58, the electromagnet 56 is arranged on the lower end part of the first cylinder 55, the CCD camera 57 is arranged on the first slide block 58 through a support frame, and the first slide block 58 is positioned on one side of the electromagnet 56 close to the first upright post 15, and the first slide block 58 is positioned above the gear ring feeding hole 17.
The gear ring feeding assembly 6 shown in fig. 3 comprises a feeding slide way 61, a gear ring transferring mechanical arm 62 and a sliding assembly 63, wherein the feeding slide way 61 is connected with the gear ring feeding hole 17, the sliding assembly 63 is arranged outside the rotary table 11, the gear ring transferring mechanical arm 62 is arranged on the sliding assembly 63, and a gear ring on the feeding slide way 61 can be transferred to the gear ring reaming unit 7 through the gear ring transferring mechanical arm 62 and the sliding assembly 63.
The ring gear transfer manipulator 62 shown in fig. 4 includes a fixed seat 621, a driving wheel 622, a driven wheel 623, a first clamping arm 624 and a second clamping arm 625, wherein the fixed seat 621 is connected with a sliding assembly 63, the driving wheel 622 and the driven wheel 623 are arranged on the fixed seat 621, the driving wheel 622 and the driven wheel 623 are meshed with each other, the first clamping arm 624 is connected with the driving wheel 622, the second clamping arm 625 is connected with the driven wheel 623, the inner walls of the first clamping arm 624 and the second clamping arm 625 are provided with arc-shaped first grooves 626, the first grooves 626 on the first clamping arm 624 and the first grooves 626 on the second clamping arm 625 form clamping portions with circular cross sections, the driving wheel 622 is driven by a servo motor, and the inner walls of the first grooves 626 are provided with elastic rubber pads. The sliding assembly 63 includes a second driving motor 631, a screw 632, a guide rail 633, a second slider 634, a second air cylinder 635, a mechanical arm 636 and a screw support 637, wherein the screw 632 and the guide rail 633 are disposed on the screw support 637 in parallel, the second driving motor 631 is connected to one end of the screw 632, the second slider 634 is sleeved on the screw 632 and the guide rail 633, the second air cylinder 635 is disposed on a lower end surface of the second slider 634, the mechanical arm 636 is disposed at a lower end portion of the second air cylinder 635, and the fixing base 621 is disposed at an end portion of the mechanical arm 636 away from the second air cylinder 635.
In addition, the production line of the stepped ring gear shown in fig. 7 further includes a step forging unit 30, the step forging unit 30 includes a table 301, a rotating table 302, a four-jaw chuck 761, a first main spindle 303, and a forging roller 304, the rotating table 302 is disposed on the table 301, the four-jaw chuck 761 is disposed on the rotating table 302, the first main spindle 303 is disposed on the table 301, and the first main spindle 303 is located above the rotating table 302, and the forging roller 304 is disposed at a lower end portion of the first main spindle 303. The turntable 302 rotates the ring gear 100 by clamping with the four-jaw chuck 761 so that the forging roller 304 presses a step on the outer circumference of the ring gear 100.
When in work, based on the mechanism, the machining process of the production line for machining the step type gear ring comprises the following steps:
1) the heated and forged gear ring is placed on the four-jaw chuck 761 of the step forging unit 30 by the manipulator, and the gear ring is in a cooled state;
2) the forging roller 304 is arranged to press the outer wall of the gear ring, the rotating table 302 is started to rotate and drives the gear ring to rotate, the forging roller 304 forms an outer step along the outer circumference of the gear ring, the gear ring is taken down through a manipulator and cooled, and the gear ring is placed on the turntable 11;
3) placing a gear ring with the size meeting the requirement of the gear ring feed port 17 at the gear ring feed port 17, placing a CCD camera 57 at the gear ring feed port 17, and recording the outline size of the gear ring by the CCD camera 57;
4) the first driving motor 14 is started to drive the rotary disc 11 to rotate relative to the material guide plate 12 and the baffle 16, the gear ring in the rotary disc 11 rotates along with the rotary disc 11, and the gear ring is gathered at a gear ring feeding hole 17;
5) when the turntable 11 rotates, the roller 53 rotates in the chute 151;
6) the gear ring meeting the size requirement at the gear ring feed port 17 slides into the feeding slideway 61, and the CCD camera 57 records the external size of the next gear ring at the gear ring feed port 17;
7) when the gear ring at the gear ring feeding hole 17 does not meet the size requirement, the rodless cylinder 54 is started, the electromagnet 56 is moved to the gear ring feeding hole 17, the first cylinder 55 and the electromagnet 56 are started simultaneously, the electromagnet 56 is close to the gear ring, and the gear ring is adsorbed on the electromagnet 56;
8) the first air cylinder 55 is retracted, the rodless air cylinder 54 is continuously started to move towards the center of the rotary table 11, the first sliding block 58 is located at the middle position of the first cross beam 52, the electromagnet 56 is powered off, the magnetism disappears, and the gear ring on the electromagnet 56 falls into the rotary table 11;
9) the first slider 58 returns to the initial position of the first beam 52;
10) enters the gear ring of the feeding slideway 61 and reaches the tail end of the feeding slideway 61;
11) the second cylinder 635 drives the mechanical arm 636 to move towards the feeding chute 61 until the first clamping arm 624 and the second clamping arm 625 are close to the feeding chute 61;
12) the driving wheel 622 is started under the action of the servo motor to drive the driven wheel 623 to rotate, and the first clamping arm 624 and the second clamping arm 625 approach each other to clamp the gear ring;
13) the second air cylinder 635 drives the mechanical arm 636 to rise, the second driving motor 631 drives the screw 632 to rotate, and the second slider 634 moves towards the gear ring reaming unit 7;
14) the second slide block 634 is moved to the first drilling device 8, the gear ring is placed on the workbench 76 of the first drilling device 8, the main shaft 74 is provided with a drill bit, a bottom hole of the step hole is drilled, and after drilling is finished, the gear ring is transferred to the hole expanding device 9 by the transfer manipulator;
15) an end mill is arranged on the reaming device 9, the bottom hole in the step 14) is reamed, and after reaming is finished, the transfer manipulator transfers the gear ring to the reaming device 10;
16) a reamer is arranged on the reaming device 10, finish machining is carried out on the reamed holes in the step 15), and after finish machining is finished, the gear ring is transferred to a finishing outer step device 20 by a transfer manipulator;
17) and a milling cutter is arranged on the finishing outer step device 20 to finish the steps on the gear ring, and after finishing, the gear ring is taken out by a manipulator or a person.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims (7)

1. The utility model provides a production line for processing step type ring gear which characterized in that: comprises a rotary table (1), a first reaming unit (2), a second reaming unit (3) and a third reaming unit (4), the rotary table (1) is a circular rotary table, the first reaming unit (2), the second reaming unit (3) and the third reaming unit (4) are uniformly arranged outside the circumference of the rotary table (1) at intervals, the first reaming unit (2), the second reaming unit (3) and the third reaming unit (4) work independently, the first reaming unit (2), the second reaming unit (3) and the third reaming unit (4) respectively comprise a gear ring detection assembly (5), a gear ring feeding assembly (6) and a gear ring reaming unit (7), one end of the gear ring detection assembly (5) is connected with the rotary table (1), the gear ring feeding assembly (6) is connected with the outer circumference of the rotary table (1), the gear ring feeding assembly (6) can transfer the gear ring to the gear ring reaming unit (7); the gear ring reaming unit (7) comprises a first drilling device (8), a reaming device (9), a reaming device (10) and a finishing outer step device (20), wherein the first drilling device (8), the reaming device (9) and the finishing outer step device (20) of the reaming device (10) respectively comprise a base (71), a portal frame (72), a spindle box (73), a spindle (74), a cutter (75) and a workbench (76), the portal frame (72) is erected on the base (71), the spindle box (73) is arranged on the portal frame (72), the spindle box (73) is positioned above the workbench (76), the spindle (74) is connected with the spindle box (73), and the cutter (75) is arranged on the spindle (74);
wherein the rotary table (1) comprises a rotary table (11), a group of material guide plates (12), a supporting seat (13), a first driving motor (14), a first upright post (15) and a baffle plate (16), the first driving motor (14) is connected with the supporting seat (13), the rotary table (11) is fixedly arranged on the upper end surface of the supporting seat (13), a plurality of gear rings are arranged in the rotary table (11), the first upright post (15) is arranged in the middle of the rotary table (11), the first upright post (15) can rotate along with the rotary table (11), the cross section of the baffle plate (16) is circular, the baffle plate (16) is positioned outside the outer circumference of the rotary table (11), one ends of the group of material guide plates (12) are uniformly arranged on the inner wall of the baffle plate (16) at intervals, the material guide plates (12) are obliquely arranged, and a gear ring feeding hole (17) is formed between the end part, far away from the baffle plate (16), of the material guide plates (12) and the inner wall of, the gear ring feeding assembly (6) is connected with the gear ring feeding hole (17), an annular sliding groove (151) is formed in the upper end portion of the first upright post (15), and one end of the gear ring detection assembly (5) is arranged in the sliding groove (151);
the gear ring detection assembly (5) comprises a second upright post (51), a first cross beam (52), rollers (53), a rodless cylinder (54), a first cylinder (55), an electromagnet (56), a CCD camera (57) and a first sliding block (58), wherein the second upright post (51) is arranged outside the outer circumference of the turntable (11), one end of the first cross beam (52) is connected with the second upright post (51), the rollers (53) are arranged at the other end of the first cross beam (52), the first cross beam (52) is erected above the turntable (11), the rollers (53) are arranged in a sliding chute (151), the sliding chute (151) can rotate relative to the rollers (53), the rodless cylinder (54) is arranged on the end face, close to the turntable (11), of the first cross beam (52), the first sliding block (58) is arranged on the rodless cylinder (54), and the first cylinder (55) is arranged on the lower end face of the first sliding block (58), the electromagnet (56) is arranged at the lower end of the first air cylinder (55), the CCD camera (57) is arranged on the first sliding block (58) through the supporting frame, the first sliding block (58) is located on one side, close to the first upright post (15), of the electromagnet (56), and the first sliding block (58) is located above the gear ring feeding hole (17).
2. The production line for machining a stepped ring gear according to claim 1, characterized in that: and a four-jaw chuck (761) is arranged on the workbench (76).
3. The production line for machining a stepped ring gear according to claim 1, characterized in that: gear ring loading subassembly (6) are including pay-off slide (61), ring gear transportation manipulator (62) and slip subassembly (63), pay-off slide (61) are connected with ring gear feed inlet (17), slip subassembly (63) are in carousel (11) outside, ring gear transportation manipulator (62) set up on slip subassembly (63), ring gear accessible ring gear transportation manipulator (62) and slip subassembly (63) on pay-off slide (61) are transported to ring gear reaming unit (7) on.
4. The production line for machining a stepped ring gear according to claim 3, characterized in that: the gear ring transfer manipulator (62) comprises a fixed seat (621), a driving wheel (622), a driven wheel (623), a first clamping arm (624) and a second clamping arm (625), the fixed seat (621) is connected with a sliding assembly (63), the driving wheel (622) and the driven wheel (623) are arranged on the fixed seat (621), the driving wheel (622) and the driven wheel (623) are meshed with each other, the first clamping arm (624) is connected with the driving wheel (622), the second clamping arm (625) is connected with the driven wheel (623), the inner walls of the first clamping arm (624) and the second clamping arm (625) are provided with arc-shaped first grooves (626), the first grooves (626) on the first clamping arm (624) and the first grooves (626) on the second clamping arm (625) form clamping portions with circular cross sections, and the driving wheel (622) is driven by a servo motor, an elastic rubber pad is arranged on the inner wall of the first groove (626).
5. The production line for machining a stepped ring gear according to claim 4, characterized in that: the sliding assembly (63) comprises a second driving motor (631), a screw rod (632), a guide rail (633), a second sliding block (634), a second air cylinder (635), a mechanical arm (636) and a screw rod supporting seat (637), wherein the screw rod (632) and the guide rail (633) are arranged on the screw rod supporting seat (637) in parallel, the second driving motor (631) is connected with one end of the screw rod (632), the second sliding block (634) is sleeved on the screw rod (632) and the guide rail (633), the second air cylinder (635) is arranged on the lower end face of the second sliding block (634), the mechanical arm (636) is arranged at the lower end part of the second air cylinder (635), and the fixed seat (621) is arranged at the end part, far away from the second air cylinder (635), of the mechanical arm (636).
6. The production line for machining a stepped ring gear according to claim 5, characterized in that: the production line of step type ring gear still includes step forging unit (30), step forging unit (30) include board (301), rotate platform (302), four-jaw chuck (761), first main shaft (303) and forging and pressing roller (304), it sets up on board (301) to rotate platform (302), four-jaw chuck (761) set up on rotating platform (302), first main shaft (303) set up on board (301) to first main shaft (303) are located and rotate platform (302) top, forging and pressing roller (304) set up the lower tip at first main shaft (303).
7. The machining process for a production line for machining a stepped ring gear according to claim 6, characterized in that: the method comprises the following steps:
1) the heated and forged gear ring is placed on a four-jaw chuck (761) of the step forging unit (30) through a manipulator, and the gear ring is in a cooling state;
2) the forging and pressing roller (304) is arranged to press the outer wall of the gear ring, the rotating platform (302) is started to rotate and simultaneously drives the gear ring to rotate, the forging and pressing roller (304) forms an outer step along the outer circumference of the gear ring, the gear ring is taken down through a manipulator and cooled, and the gear ring is placed on the turntable (11);
3) placing a gear ring with the size meeting the requirement of the gear ring feed port (17) at the gear ring feed port (17), placing a CCD camera (57) at the gear ring feed port (17), and recording the outline size of the gear ring by the CCD camera (57);
4) the first driving motor (14) is started to drive the rotary disc (11) to rotate relative to the material guide plate (12) and the baffle (16), a gear ring in the rotary disc (11) rotates along with the rotary disc (11), and the gear ring is gathered at a gear ring feeding hole (17);
5) when the turntable (11) rotates, the roller (53) rotates in the chute (151);
6) the gear ring which meets the size requirement at the gear ring feed port (17) slides into the feeding slideway (61), and the CCD camera (57) records the external dimension of the next gear ring at the gear ring feed port (17);
7) when the gear ring at the gear ring feeding hole (17) does not meet the size requirement, the rodless cylinder (54) is started, the electromagnet (56) is moved to the gear ring feeding hole (17), the first cylinder (55) and the electromagnet (56) are started simultaneously, the electromagnet (56) is close to the gear ring, and the gear ring is adsorbed on the electromagnet (56);
8) the first air cylinder (55) is retracted, the rodless air cylinder (54) is continuously started and moves towards the center of the rotary table (11), the first sliding block (58) is located at the middle position of the first cross beam (52), the electromagnet (56) is powered off, the magnetism disappears, and the gear ring on the electromagnet (56) falls into the rotary table (11);
9) the first slide block (58) returns to the initial position of the first cross beam (52);
10) enters the gear ring of the feeding slideway (61) and reaches the tail end of the feeding slideway (61);
11) the second air cylinder (635) drives the mechanical arm (636) to move towards the direction of the feeding slide way (61) until the first clamping arm (624) and the second clamping arm (625) are close to the feeding slide way (61);
12) the driving wheel (622) is started under the action of the servo motor to drive the driven wheel (623) to rotate, and the first clamping arm (624) and the second clamping arm (625) are close to each other to clamp the gear ring;
13) the second air cylinder (635) drives the mechanical arm (636) to rise, the second driving motor (631) drives the screw rod (632) to rotate, and the second sliding block (634) moves towards the gear ring reaming unit (7);
14) the second sliding block (634) moves to the first drilling device (8), the gear ring is placed on a workbench (76) of the first drilling device (8), a drill bit is arranged on a main shaft (74), a bottom hole of a step hole is drilled, and after drilling is finished, the gear ring is transferred to a hole expanding device (9) by a transfer manipulator;
15) an end mill is arranged on the reaming device (9), the bottom hole in the step 14) is reamed, and after reaming is finished, the transfer manipulator transfers the gear ring to the reaming device (10);
16) a reamer is arranged on the reaming device (10), finish machining is carried out on the reaming in the step 15), and after finish machining is finished, the gear ring is transferred to a finishing outer step device (20) by a transfer manipulator;
17) and a milling cutter is arranged on the finishing outer step device (20) to finish the steps on the gear ring, and after finishing, the gear ring is taken out by a mechanical arm or a manual work.
CN201811509597.7A 2018-12-11 2018-12-11 Production line for machining stepped gear ring and machining process of production line Active CN109551248B (en)

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