CN111002165B - Tooth surface polishing device for non-involute variable-thickness gear - Google Patents
Tooth surface polishing device for non-involute variable-thickness gear Download PDFInfo
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- CN111002165B CN111002165B CN201911272384.1A CN201911272384A CN111002165B CN 111002165 B CN111002165 B CN 111002165B CN 201911272384 A CN201911272384 A CN 201911272384A CN 111002165 B CN111002165 B CN 111002165B
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- driving
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- lifting
- horizontal driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a tooth surface polishing device for a non-involute variable-thickness gear, which comprises a platform plate, a lifting adjusting mechanism, a polishing mechanism, a gear clamping mechanism, a horizontal driving mechanism and a gear rotating mechanism. The tooth surface polishing device of the non-involute variable thickness gear can clamp and fix a gear to be processed by using the gear clamping mechanism, so that the stability of the gear to be processed in processing is ensured; the horizontal driving mechanism can drive the gear rotating mechanism to move back and forth, so that the processing requirement of the wide-tooth gear is met; the gear to be processed can be rotationally driven by utilizing the gear rotating mechanism, so that each tooth surface is polished one by one; the height and the inclination angle of the grinding wheel can be adjusted by utilizing the lifting adjusting mechanism, and the grinding requirement of the tooth surface of the non-involute variable-thickness gear is met.
Description
Technical Field
The invention relates to a tooth surface grinding device, in particular to a tooth surface grinding device for a non-involute type variable thickness gear.
Background
At present, in the process of processing a non-involute thickened gear, a gear to be processed can be processed into an involute thickened gear, and then the tooth surface of the gear is subjected to finish machining and grinding, so that the non-involute thickened gear is processed. However, at present, no suitable grinding device is used for grinding the tooth surfaces of the non-involute type variable thickness gear. Therefore, it is necessary to design a tooth surface grinding device for a non-involute type variable-thickness gear, which can stably clamp a gear to be processed and can adjust the grinding surface angle of a grinding wheel.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a tooth face grinding device of non-involute thickening gear, can treat that the gear of processing carries out stable centre gripping and can adjust the polish face angle of emery wheel of polishing.
The technical scheme is as follows: the invention relates to a tooth surface polishing device for a non-involute variable-thickness gear, which comprises a platform plate, a lifting adjusting mechanism, a polishing mechanism, a gear clamping mechanism, a horizontal driving mechanism and a gear rotating mechanism, wherein the platform plate is provided with a plurality of supporting rods; the polishing mechanism comprises a suspension plate, a polishing driving motor and a polishing grinding wheel;
the horizontal driving mechanism is arranged in the middle of the upper side face of the platform plate, the gear rotating mechanism is arranged on the horizontal driving mechanism, and the horizontal driving mechanism drives the gear rotating mechanism to move back and forth; the gear clamping mechanism is arranged on the gear rotating mechanism and used for clamping and fixing the gear to be machined;
the suspension plate is arranged on the lifting adjusting mechanism, and the grinding wheel is rotatably arranged on the lower end part of the suspension plate through a grinding wheel rotating shaft; the grinding driving motor is fixedly arranged on the lower end part of the suspension plate, and an output shaft of the grinding driving motor is butted with the grinding wheel rotating shaft; the lifting adjusting mechanism is arranged on the platform plate and used for driving the grinding wheel to perform lifting adjustment, and the grinding wheel is positioned above the gear to be processed;
and supporting legs are vertically arranged below the platform plate.
Further, a protective cover is arranged on the platform plate; the lifting adjusting mechanism, the polishing mechanism, the gear clamping mechanism, the horizontal driving mechanism and the gear rotating mechanism are all positioned in the protective cover.
Furthermore, a diagonal brace is arranged on the rear side edge of the suspension plate; a collecting cover for collecting polishing dust of a polishing grinding wheel is arranged at the lower end of the inclined strut; a suction pipe is installed on the collection cover in a butt joint way; a dust collector is arranged below the platform plate; the suction pipe is communicated with a dust suction port of the dust collector.
Further, the horizontal driving mechanism comprises a horizontal driving motor, a horizontal driving screw rod and a horizontal driving sliding block; a guide T-shaped sliding groove is longitudinally arranged at the center of the upper side surface of the platform plate; the lower side edge of the horizontal driving sliding block is slidably arranged in the guide T-shaped sliding groove, and a horizontal driving threaded hole is longitudinally formed in the horizontal driving sliding block; the horizontal driving screw is longitudinally and rotatably arranged above the guide T-shaped sliding groove; the horizontal driving sliding block is screwed on the horizontal driving screw rod through the horizontal driving threaded hole; the horizontal driving motor is arranged on the platform plate, and an output shaft of the horizontal driving motor is butted with the end part of the horizontal driving screw rod; the gear rotating mechanism is fixedly arranged on the upper side surface of the horizontal driving sliding block.
Further, the gear rotating mechanism comprises a rotating driving motor, a vertical mounting plate, a rotating driving worm wheel, a rotating driving rotating shaft and a gear clamping disc; the vertical mounting plate is vertically mounted on the upper side surface of the horizontal driving sliding block; the rotary driving rotating shaft is longitudinally and rotatably arranged at the upper end of the vertical mounting plate; the center of the back side disc surface of the gear clamping disc is fixedly arranged on the front end of the rotary driving rotating shaft; the rotary driving worm wheel is fixedly arranged on the rear end of the rotary driving rotating shaft; the rotary driving motor is fixedly arranged on the rear side surface of the vertical mounting plate through a motor bracket; the rotary driving worm is rotatably arranged on the motor bracket through a support; the output shaft of the rotary driving motor is butted with the end part of the rotary driving worm; the rotary driving worm is meshed with the rotary driving worm wheel; the gear clamping mechanism is fixedly arranged at the center of the front side disc surface of the gear clamping disc.
Further, a gear shield is arranged on the rear side of the vertical mounting plate; the rotary driving motor, the rotary driving worm and the rotary driving worm wheel are all positioned in the gear shield.
Further, the gear clamping mechanism comprises a central pipe column, a clamping screw rod, two clamping rods and a clamping driving block; the central pipe column is vertically arranged at the center of the front side disc surface of the gear clamping disc, and an end part closing plate is arranged at a front end pipe orifice of the central pipe column; a clamping driving threaded hole is formed in the center of the end part sealing plate, and a clamping screw is installed on the clamping driving threaded hole in a threaded manner; the rear end part of the clamping screw rod extends into the central pipe column and is rotatably arranged at the center of the front side disc surface of the gear clamping disc; the front end part of the clamping screw is hinged with a handle rod in a swinging way; two strip-shaped accommodating holes are formed in the pipe wall of the central pipe column along the axial direction of the pipe wall, and the two strip-shaped accommodating holes are respectively located at the pipe wall circumference halving points of the central pipe column; the clamping driving block is arranged in the central pipe column in a sliding mode, a central driving threaded hole is longitudinally formed in the clamping driving block, and the clamping driving block is arranged on the clamping screw rod in a threaded fit mode through the central driving threaded hole; a hinged notch is formed in the side wall of the clamping driving block and positioned at the two strip-shaped receiving holes; the front end parts of the two clamping rods are respectively hinged in the two hinged notches; a swinging support pressure spring is elastically supported between the bottom of the groove of the hinged notch and the corresponding clamping rod and is used for pushing the rear end part of the clamping rod to obliquely extend out of the strip-shaped accommodating hole; the front end part of the clamping rod is provided with a supporting slope surface for supporting the clamping rod on the bottom of the groove of the hinged notch after the rear end part of the clamping rod obliquely extends out of the strip-shaped accommodating hole.
Furthermore, a pressing roller is rotatably arranged at the position of the front-side hole of the two strip-shaped receiving holes and used for pressing the clamping rod to swing into the strip-shaped receiving holes after the clamping driving block moves towards the front side.
Furthermore, the lifting adjusting mechanism comprises two lifting stand columns, two lifting driving motors, two lifting driving screws, two lifting driving blocks, two lifting connecting beams and a middle sliding block; the two lifting stand columns are respectively and vertically arranged in the middle of the left side edge and the right side edge of the platform plate, and the two lifting driving motors are respectively and fixedly arranged on the top ends of the two lifting stand columns; sliding columnar cavities are vertically arranged in the two lifting stand columns, and the two lifting driving screws are vertically and rotatably arranged in the two sliding columnar cavities respectively; the two lifting driving blocks are respectively arranged in the two sliding columnar cavities in a sliding manner, and lifting driving threaded holes are vertically formed in the two lifting driving blocks; the lifting driving block is screwed on the corresponding lifting driving screw rod through the lifting driving threaded hole; output shafts of the two lifting driving motors are respectively installed on the upper end parts of the two lifting driving screws in a butt joint mode; the opposite side walls of the two lifting upright posts are both vertically provided with strip-shaped guide sliding holes; the two lifting driving blocks are respectively provided with a beam hinge seat extending out of the strip-shaped guide sliding hole; the hinged end parts of the two lifting connecting beams are respectively arranged on the beam hinged seats at the left side and the right side in a swing type hinged manner; two parallel pull-plug rectangular holes are arranged between the left end surface and the right end surface of the middle sliding block in a penetrating manner; the inserting end parts of the two lifting connecting beams are respectively inserted into the two inserting rectangular holes; a strip-shaped groove is formed in the opposite inner sides of the two lifting connecting beams along the length direction of the lifting connecting beams, and a driving rack is arranged in the strip-shaped groove; a gear cavity is arranged in the middle of the middle sliding block and is communicated with the two inserting rectangular holes; a synchronous gear is rotatably arranged in the gear cavity through a gear shaft, and the synchronous gear is meshed with the driving racks on the front side and the rear side simultaneously; the upper end of the suspension plate is vertically arranged in the middle of the lower side surface of the middle sliding block, and a rib plate is arranged at the installation position.
Furthermore, the suspension plate is provided with an alignment calibration mechanism; the alignment calibration mechanism comprises a pin shaft, a torsion spring and a calibration rod; the pin shaft is fixedly arranged on the suspension plate and is parallel to the grinding wheel rotating shaft; the upper end of the calibration rod is hinged on the pin shaft in a swinging mode, and the end part of the calibration rod is perpendicular to the pin shaft; the torsion spring is sleeved on the pin shaft, a torsion arm at one end of the torsion spring is fixed on the calibration rod, and a torsion arm at the other end of the torsion spring is fixed on the pin shaft and used for driving the calibration rod to swing towards the front side; the middle part of the calibration rod is provided with a U-shaped bending section which is convenient for the grinding wheel to pass through; the lower extreme at the alignment rod is provided with the calibration head, and the left surface of calibration head and the left surface coplane of the emery wheel of polishing, the right flank of calibration head and the right flank coplane of the emery wheel of polishing.
Compared with the prior art, the invention has the beneficial effects that: the gear to be processed can be clamped and fixed by the gear clamping mechanism, so that the stability of the gear to be processed in processing is ensured; the horizontal driving mechanism can drive the gear rotating mechanism to move back and forth, so that the processing requirement of the wide-tooth gear is met; the gear to be processed can be rotationally driven by utilizing the gear rotating mechanism, so that each tooth surface is polished one by one; the height and the inclination angle of the grinding wheel can be adjusted by utilizing the lifting adjusting mechanism, and the grinding requirement of the tooth surface of the non-involute variable-thickness gear is met.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a schematic view of a gear clamping mechanism mounting structure of the present invention;
FIG. 3 is a schematic view of the mounting structure of the intermediate sliding block of the present invention;
FIG. 4 is a schematic view of a collection hood mounting arrangement of the present invention;
FIG. 5 is a schematic view of the angle of the grinding wheel of the present invention during grinding;
fig. 6 is a schematic view of the structure for mounting the end of the clamping rod according to the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1 to 6, the tooth surface grinding device of the non-involute type variable thickness gear disclosed in the present invention includes: the device comprises a platform plate 1, a lifting adjusting mechanism, a polishing mechanism, a gear clamping mechanism, a horizontal driving mechanism and a gear rotating mechanism; the polishing mechanism comprises a suspension plate 17, a polishing driving motor 19 and a polishing grinding wheel 20;
the horizontal driving mechanism is arranged in the middle of the upper side face of the platform plate 1, the gear rotating mechanism is arranged on the horizontal driving mechanism, and the gear rotating mechanism is driven by the horizontal driving mechanism to move back and forth; the gear clamping mechanism is arranged on the gear rotating mechanism and used for clamping and fixing the gear 50 to be processed;
the suspension plate 17 is arranged on the lifting adjusting mechanism, and the grinding wheel 20 is rotatably arranged on the lower end part of the suspension plate 17 through a grinding wheel rotating shaft 41; the grinding driving motor 19 is fixedly arranged on the lower end part of the suspension plate 17, and an output shaft of the grinding driving motor 19 is butted with the grinding wheel rotating shaft 41; the lifting adjusting mechanism is arranged on the platform plate 1 and used for driving the grinding wheel 20 to perform lifting adjustment, and the grinding wheel 20 is positioned above the gear 50 to be processed;
and a support leg 2 is vertically arranged below the platform plate 1.
The gear clamping mechanism can be used for clamping and fixing the gear 50 to be machined, so that the stability of the gear 50 to be machined during machining is ensured; the horizontal driving mechanism can drive the gear rotating mechanism to move back and forth, so that the processing requirement of the wide-tooth gear is met; the gear 50 to be processed can be rotationally driven by using the gear rotating mechanism, so that each tooth surface is polished one by one; the height and the inclination angle of the grinding wheel 20 can be adjusted by utilizing the lifting adjusting mechanism, and the grinding requirement of the tooth surface of the non-involute variable-thickness gear is met.
Further, a protection cover 14 is mounted on the platform board 1; the lifting adjusting mechanism, the polishing mechanism, the gear clamping mechanism, the horizontal driving mechanism and the gear rotating mechanism are all positioned in the protective cover 14. Safety protection can be achieved with the protective hood 14.
Further, a diagonal stay 47 is provided at the rear side of the suspension plate 17; a collecting cover 48 for collecting the grinding dust of the grinding wheel 20 is arranged at the lower end of the inclined strut 47; the collection cover 48 is provided with the suction pipe 24 in a butt joint way; a dust collector 23 is arranged below the platform plate 1; the suction pipe 24 communicates with a suction port of the cleaner 23. The dust collected by the collecting cover 48, the suction pipe 24 and the dust collector 23 can be sucked in time, so that the environmental pollution is reduced.
Further, the horizontal driving mechanism includes a horizontal driving motor 4, a horizontal driving screw 32, and a horizontal driving slider 34; a guide T-shaped sliding groove 33 is longitudinally arranged at the center of the upper side surface of the platform plate 1; the lower side edge of the horizontal driving sliding block 34 is slidably arranged in the guide T-shaped sliding groove 33, and a horizontal driving threaded hole is longitudinally formed in the horizontal driving sliding block 34; the horizontal driving screw 32 is longitudinally and rotatably arranged above the guide T-shaped sliding groove 33; the horizontal driving slide block 34 is screwed on the horizontal driving screw rod 32 through a horizontal driving threaded hole; the horizontal driving motor 4 is arranged on the platform plate 1, and the output shaft of the horizontal driving motor 4 is butted with the end part of the horizontal driving screw 32; the gear rotating mechanism is fixedly mounted on the upper side surface of the horizontal driving slider 34. The horizontal driving screw 32 is used for driving the horizontal driving slide block 34 to slide back and forth, so that the gear 50 to be machined, which is clamped and fixed, can translate back and forth along the central axis, and the polishing requirement of the wide-tooth gear is met.
Further, the gear rotating mechanism comprises a rotating driving motor 38, a vertical mounting plate 3, a rotating driving worm 39, a rotating driving worm wheel 37, a rotating driving rotating shaft 35 and a gear clamping disc 21; the vertical mounting plate 3 is vertically mounted on the upper side surface of the horizontal driving slide block 34; the rotary driving rotating shaft 35 is longitudinally and rotatably arranged at the upper end of the vertical mounting plate 3; the center of the back side disc surface of the gear clamping disc 21 is fixedly arranged on the front end of the rotary driving rotating shaft 35; a rotation driving worm wheel 37 is fixedly installed on the rear end of the rotation driving rotation shaft 35; the rotary driving motor 38 is fixedly arranged on the rear side surface of the vertical mounting plate 3 through a motor bracket; the rotary driving worm 39 is rotatably mounted on the motor bracket through a support; the output shaft of the rotation driving motor 38 is butted against the end of the rotation driving worm 39; the rotation driving worm 39 is meshed with the rotation driving worm wheel 37; the gear clamping mechanism is fixedly arranged at the center of the front side disc surface of the gear clamping disc 21. By the cooperation of the rotation driving worm 39 and the rotation driving worm wheel 37, the rotation driving of the rotation driving spindle 35 is enabled, and the rotation angle of the rotation driving spindle 35 is limited.
Further, a gear guard 36 is provided on the rear side of the vertical mounting plate 3; the rotary drive motor 38, rotary drive worm 39, and rotary drive worm gear 37 are all located within the gear guard 36. The use of the gear guard 36 can prevent the grinding dust from affecting the rotation drive motor 38, the rotation drive worm 39, and the rotation drive worm wheel 37.
Further, the gear clamping mechanism comprises a center pipe column 22, a clamping screw 26, two clamping rods 28 and a clamping driving block 27; the central pipe column 22 is vertically arranged at the center of the front side disc surface of the gear clamping disc 21, and an end part closing plate is arranged at a pipe orifice at the front end of the central pipe column 22; a clamping driving threaded hole is formed in the center of the end closing plate, and a clamping screw 26 is installed on the clamping driving threaded hole in a threaded manner; the rear end part of the clamping screw 26 extends into the center pipe column 22 and is rotatably arranged at the center of the front side disc surface of the gear clamping disc 21; a handle rod 25 is hinged and installed at the front end part of the clamping screw 26 in a swinging way; two strip-shaped receiving holes 29 are formed in the pipe wall of the central pipe column 22 along the axial direction of the pipe wall, and the two strip-shaped receiving holes 29 are respectively located at the pipe wall circumference halving points of the central pipe column 22; the clamping driving block 27 is slidably mounted in the center pipe column 22, a center driving threaded hole is longitudinally formed in the clamping driving block 27, and the clamping driving block 27 is threadedly mounted on the clamping screw 26 through the center driving threaded hole; a hinged notch 51 is arranged on the side wall of the clamping driving block 27 and positioned at the two strip-shaped receiving holes 29; the front ends of the two clamping rods 28 are respectively hinged in the two hinge notches 51; a swing supporting pressure spring 31 is elastically supported between the bottom of the hinged notch 51 and the corresponding clamping rod 28 and is used for pushing the rear end part of the clamping rod 28 to obliquely extend out of the strip-shaped accommodating hole 29; a support slope 52 is provided at the front end portion of the clamping lever 28 for supporting on the groove bottom of the hinge notch 51 after the clamping lever 28 is obliquely protruded out of the bar-shaped receiving hole 29 at the rear end portion. The rear end part of the clamping rod 28 can be pushed to obliquely extend out of the strip-shaped accommodating hole 29 by using the supporting pressure spring 31, so that the gear 50 to be processed is pressed and fixed; the strip-shaped receiving hole 29 can facilitate the retraction and the placement of the clamping rod 28, so that the gear 50 to be machined is not influenced to be installed on the center pipe string 22 at the beginning; by matching the supporting slope surface 52 with the groove bottom of the hinge notch 51, the angle positioning support can be performed after the clamping rod 28 is inclined to a set angle, so that the clamping rod 28 can be stably pressed on the gear 50 to be processed.
Further, a pressing roller 30 is rotatably provided at an opening of the two strip-shaped receiving holes 29 on the front side for pressing the clamping lever 28 to swing into the strip-shaped receiving holes 29 after the clamping driving block 27 moves to the front side. The pressing roller 30 can press the clamping lever 28 to swing into the bar-shaped receiving hole 29 after the clamping driving block 27 moves to the front side, thereby not affecting the initial mounting of the gear 50 to be machined on the center pipe string 22.
Further, the lifting adjusting mechanism comprises two lifting upright posts 5, two lifting driving motors 9, two lifting driving screws 7, two lifting driving blocks 8, two lifting connecting beams 10 and a middle sliding block 11; two lifting upright posts 5 are respectively and vertically arranged in the middle of the left side and the right side of the platform plate 1, and two lifting driving motors 9 are respectively and fixedly arranged on the top ends of the two lifting upright posts 5; sliding columnar cavities 6 are vertically arranged in the two lifting upright columns 5, and two lifting driving screws 7 are vertically and rotatably arranged in the two sliding columnar cavities 6 respectively; the two lifting driving blocks 8 are respectively arranged in the two sliding columnar cavities 6 in a sliding manner, and lifting driving threaded holes are vertically formed in the two lifting driving blocks 8; the lifting driving block 8 is screwed on the corresponding lifting driving screw 7 through the lifting driving threaded hole; output shafts of the two lifting driving motors 9 are respectively installed on the upper end parts of the two lifting driving screws 7 in a butt joint mode; strip-shaped guide sliding holes 16 are vertically arranged on the opposite side walls of the two lifting upright columns 5; the two lifting driving blocks 8 are respectively provided with a beam hinge seat extending out of the strip-shaped guide sliding hole 16; the hinged end parts of the two lifting connecting beams 10 are respectively hinged on the beam hinged seats at the left side and the right side in a swinging mode; two parallel pull-plug rectangular holes 12 are arranged between the left end surface and the right end surface of the middle sliding block 11 in a penetrating manner; the inserting end parts of the two lifting connecting beams 10 are respectively inserted into the two drawing and inserting rectangular holes 12; a strip-shaped groove 13 is formed in the opposite inner sides of the two lifting connecting beams 10 along the length direction of the lifting connecting beams, and a driving rack 40 is arranged in the strip-shaped groove 13; a gear cavity is arranged in the middle of the middle sliding block 11 and is communicated with the two inserting rectangular holes 12; a synchronous gear 15 is rotatably arranged in the gear cavity through a gear shaft 49, and the synchronous gear 15 is simultaneously meshed with the driving racks 40 at the front side and the rear side; the upper end of the suspension plate 17 is vertically arranged in the middle of the lower side surface of the middle sliding block 11, and a rib plate 18 is arranged at the installation position. The two lifting driving motors 9 are used for respectively driving the lifting heights of the two lifting driving blocks 8, so that the inclination angle of the grinding surface of the grinding wheel 20 is adjusted as required; the synchronous gear 15 and the driving racks 40 on both sides can ensure the same pulling and inserting amount when the two lifting connecting beams 10 are pulled and inserted, thereby ensuring that the middle sliding block 11 is always positioned at the middle position.
Furthermore, a positioning and calibrating mechanism is arranged on the suspension plate 17; the alignment calibration mechanism comprises a pin shaft 42, a torsion spring 44 and a calibration rod 43; the pin shaft 42 is fixedly arranged on the suspension plate 17, and the pin shaft 42 is parallel to the grinding wheel rotating shaft 41; the upper end of the calibration rod 43 is hinged on the pin shaft 42 in a swinging mode, and the end part of the calibration rod 43 is perpendicular to the pin shaft 42; the torsion spring 44 is sleeved on the pin shaft 42, and a torsion arm at one end of the torsion spring 44 is fixed on the calibration rod 43, and a torsion arm at the other end is fixed on the pin shaft 42 and used for driving the calibration rod 43 to swing to the front side; a U-shaped bending section 45 which is convenient for the grinding wheel 20 to pass through is arranged in the middle of the calibration rod 43; a calibration head 46 is provided at the lower end of the calibration rod 43, and the left side of the calibration head 46 is coplanar with the left side of the grinding wheel 20, and the right side of the calibration head 46 is coplanar with the right side of the grinding wheel 20. The alignment calibration mechanism can be used for calibrating the polishing of the polishing grinding wheel 20, if the error is large, the polishing grinding wheel 20 needs to be replaced, and the calibration head 46 can be aligned with the tooth surface of the gear 50 to be processed below after being pulled down, so that the accuracy of the polishing initial position is ensured; the U-shaped bent section 45 can be used for preventing the grinding wheel 20 from blocking when the calibration rod 43 is pulled down; the torsion spring 44 can be used for quickly lifting the calibration rod 43 after alignment calibration, and the polishing work of the polishing grinding wheel 20 is not influenced.
In the tooth surface grinding device of the non-involute thickened gear, a grinding driving motor 19, a horizontal driving motor 4, a rotary driving motor 38 and a lifting driving motor 9 all adopt the existing driving motors and are uniformly coordinated and controlled by an industrial personal computer; the vacuum cleaner 23 may be an existing vacuum cleaner.
When the tooth surface polishing device for the non-involute variable-thickness gear is used, firstly, a gear 50 to be processed is sleeved on a central pipe column 22, then a clamping screw 26 is rotated, two clamping rods 28 extend out of a strip-shaped accommodating hole 29, and the front side surface of the gear 50 to be processed is pressed, so that the gear 50 to be processed is clamped and fixed; the horizontal driving mechanism can drive the gear rotating mechanism to move back and forth, so that the processing requirement of the wide-tooth gear is met; the gear 50 to be processed can be rotationally driven by using the gear rotating mechanism, so that each tooth surface is polished one by one; the height and the inclination angle of the grinding wheel 20 can be adjusted by utilizing the lifting adjusting mechanism, and the grinding requirement of the tooth surface of the non-involute variable-thickness gear is met.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a tooth surface grinding device of non-involute thickened gear which characterized in that: the device comprises a platform plate (1), a lifting adjusting mechanism, a polishing mechanism, a gear clamping mechanism, a horizontal driving mechanism and a gear rotating mechanism; the grinding mechanism comprises a suspension plate (17), a grinding driving motor (19) and a grinding wheel (20);
the horizontal driving mechanism is arranged in the middle of the upper side face of the platform plate (1), the gear rotating mechanism is arranged on the horizontal driving mechanism, and the horizontal driving mechanism drives the gear rotating mechanism to move back and forth; the gear clamping mechanism is arranged on the gear rotating mechanism and used for clamping and fixing the gear (50) to be machined;
the suspension plate (17) is arranged on the lifting adjusting mechanism, and the grinding wheel (20) is rotatably arranged on the lower end part of the suspension plate (17) through a grinding wheel rotating shaft (41); the grinding driving motor (19) is fixedly arranged on the lower end part of the suspension plate (17), and an output shaft of the grinding driving motor (19) is butted with the grinding wheel rotating shaft (41); the lifting adjusting mechanism is arranged on the platform plate (1) and used for driving the grinding wheel (20) to perform lifting adjustment, and the grinding wheel (20) is positioned above the gear (50) to be processed;
a support leg (2) is vertically arranged below the platform plate (1);
the lifting adjusting mechanism comprises two lifting upright posts (5), two lifting driving motors (9), two lifting driving screws (7), two lifting driving blocks (8), two lifting connecting beams (10) and a middle sliding block (11); two lifting upright posts (5) are respectively and vertically arranged in the middle of the left side edge and the right side edge of the platform plate (1), and two lifting driving motors (9) are respectively and fixedly arranged on the top ends of the two lifting upright posts (5); sliding columnar cavities (6) are vertically arranged in the two lifting upright columns (5), and two lifting driving screws (7) are vertically and rotatably arranged in the two sliding columnar cavities (6) respectively; the two lifting driving blocks (8) are respectively arranged in the two sliding columnar cavities (6) in a sliding manner, and lifting driving threaded holes are vertically formed in the two lifting driving blocks (8); the lifting driving block (8) is screwed on the corresponding lifting driving screw rod (7) through a lifting driving threaded hole; output shafts of the two lifting driving motors (9) are respectively installed on the upper end parts of the two lifting driving screws (7) in a butt joint mode; strip-shaped guide sliding holes (16) are vertically arranged on the opposite side walls of the two lifting upright posts (5); the two lifting driving blocks (8) are respectively provided with a beam hinged seat extending out of the strip-shaped guide sliding hole (16); the hinged end parts of the two lifting connecting beams (10) are respectively hinged on the beam hinged seats at the left side and the right side in a swinging mode; two parallel pull-plug rectangular holes (12) are arranged between the left end surface and the right end surface of the middle sliding block (11) in a penetrating manner; the plug-in end parts of the two lifting connecting beams (10) are respectively plugged in the two plug-in rectangular holes (12); a strip-shaped groove (13) is formed in the opposite inner sides of the two lifting connecting beams (10) along the length direction of the lifting connecting beams, and a driving rack (40) is arranged in the strip-shaped groove (13); a gear cavity is arranged in the middle of the middle sliding block (11) and is communicated with the two inserting rectangular holes (12); a synchronous gear (15) is rotatably arranged in the gear cavity through a gear shaft (49), and the synchronous gear (15) is meshed with the driving racks (40) on the front side and the rear side simultaneously; the upper end of the suspension plate (17) is vertically arranged in the middle of the lower side surface of the middle sliding block (11), and a rib plate (18) is arranged at the installation position.
2. The tooth surface grinding device for a non-involute type thickening gear according to claim 1, wherein: a protective cover (14) is arranged on the platform plate (1); the lifting adjusting mechanism, the polishing mechanism, the gear clamping mechanism, the horizontal driving mechanism and the gear rotating mechanism are all positioned in the protective cover (14).
3. The tooth surface grinding device for a non-involute type thickening gear according to claim 2, wherein: a diagonal brace (47) is arranged at the rear side edge of the suspension plate (17); a collecting cover (48) for collecting the grinding dust of the grinding wheel (20) is arranged at the lower end of the inclined strut (47); a suction pipe (24) is mounted on the collection cover (48) in a butt joint way; a dust collector (23) is arranged below the platform plate (1); the suction pipe (24) is communicated with a dust suction port of the dust collector (23).
4. The tooth surface grinding device for a non-involute type thickening gear according to claim 1, wherein: the horizontal driving mechanism comprises a horizontal driving motor (4), a horizontal driving screw rod (32) and a horizontal driving sliding block (34); a guide T-shaped sliding groove (33) is longitudinally arranged at the center of the upper side surface of the platform plate (1); the lower side edge of the horizontal driving sliding block (34) is slidably arranged in the guide T-shaped sliding groove (33), and a horizontal driving threaded hole is longitudinally arranged on the horizontal driving sliding block (34); the horizontal driving screw rod (32) is longitudinally and rotatably arranged above the guide T-shaped sliding groove (33); the horizontal driving sliding block (34) is screwed on the horizontal driving screw rod (32) through the horizontal driving threaded hole; the horizontal driving motor (4) is arranged on the platform plate (1), and an output shaft of the horizontal driving motor (4) is butted with the end part of the horizontal driving screw rod (32); the gear rotating mechanism is fixedly arranged on the upper side surface of the horizontal driving slide block (34).
5. The tooth surface grinding device for a non-involute thickening gear according to claim 4, wherein: the gear rotating mechanism comprises a rotating driving motor (38), a vertical mounting plate (3), a rotating driving worm (39), a rotating driving worm wheel (37), a rotating driving rotating shaft (35) and a gear clamping disc (21); the vertical mounting plate (3) is vertically mounted on the upper side surface of the horizontal driving sliding block (34); the rotary driving rotating shaft (35) is longitudinally and rotatably arranged at the upper end of the vertical mounting plate (3); the center of the back side disc surface of the gear clamping disc (21) is fixedly arranged on the front end of the rotary driving rotating shaft (35); the rotary driving worm wheel (37) is fixedly arranged on the rear end of the rotary driving rotating shaft (35); the rotary driving motor (38) is fixedly arranged on the rear side surface of the vertical mounting plate (3) through a motor bracket; the rotary driving worm (39) is rotatably arranged on the motor bracket through a support; the output shaft of the rotary driving motor (38) is butted with the end part of the rotary driving worm (39); the rotary driving worm (39) is meshed with the rotary driving worm wheel (37); the gear clamping mechanism is fixedly arranged at the center of the front side disc surface of the gear clamping disc (21).
6. The tooth surface grinding device for a non-involute type thickening gear according to claim 5, wherein: a gear shield (36) is arranged at the rear side of the vertical mounting plate (3); the rotary drive motor (38), the rotary drive worm (39), and the rotary drive worm gear (37) are all located within the gear guard (36).
7. The tooth surface grinding device for a non-involute type thickening gear according to claim 5, wherein: the gear clamping mechanism comprises a center pipe column (22), a clamping screw rod (26), two clamping rods (28) and a clamping driving block (27); the central pipe column (22) is vertically arranged at the center of the front side disc surface of the gear clamping disc (21), and an end part closing plate is arranged at a front end pipe orifice of the central pipe column (22); a clamping driving threaded hole is formed in the center of the end part closing plate, and a clamping screw (26) is installed on the clamping driving threaded hole in a threaded manner; the rear end part of the clamping screw rod (26) extends into the center pipe column (22) and is rotatably arranged at the center of the front side disc surface of the gear clamping disc (21); the front end part of the clamping screw rod (26) is provided with a handle rod (25) in a swing hinge mode; two strip-shaped accommodating holes (29) are formed in the pipe wall of the central pipe column (22) along the axial direction of the pipe wall, and the two strip-shaped accommodating holes (29) are respectively located at the pipe wall circumference halving points of the central pipe column (22); the clamping driving block (27) is arranged in the center pipe column (22) in a sliding mode, a center driving threaded hole is longitudinally formed in the clamping driving block (27), and the clamping driving block (27) is arranged on the clamping screw rod (26) in a threaded fit mode through the center driving threaded hole; a hinged notch (51) is arranged on the side wall of the clamping driving block (27) and positioned at the two strip-shaped receiving holes (29); the front end parts of the two clamping rods (28) are respectively hinged and installed in the two hinged notches (51); a swinging support pressure spring (31) is elastically supported between the bottom of the hinged notch (51) and the corresponding clamping rod (28) and is used for pushing the rear end part of the clamping rod (28) to obliquely extend out of the strip-shaped accommodating hole (29); a support slope surface (52) is arranged at the front end part of the clamping rod (28) and is used for supporting the clamping rod (28) on the bottom of the groove of the hinged notch (51) after the rear end part obliquely extends out of the strip-shaped receiving hole (29).
8. The tooth surface grinding device for a non-involute thickening gear according to claim 7, wherein: a pressing roller (30) is rotatably provided at the front-side openings of the two strip-shaped receiving holes (29) for pressing the clamping rod (28) to swing into the strip-shaped receiving holes (29) after the clamping driving block (27) moves to the front side.
9. The tooth surface grinding device for a non-involute type thickening gear according to claim 1, wherein: the suspension plate (17) is provided with an alignment calibration mechanism; the alignment calibration mechanism comprises a pin shaft (42), a torsion spring (44) and a calibration rod (43); the pin shaft (42) is fixedly arranged on the suspension plate (17), and the pin shaft (42) is parallel to the grinding wheel rotating shaft (41); the upper end of the calibration rod (43) is hinged on the pin shaft (42) in a swinging mode, and the end part of the calibration rod (43) is perpendicular to the pin shaft (42); the torsion spring (44) is sleeved on the pin shaft (42), one torsion arm at one end of the torsion spring (44) is fixed on the calibration rod (43), and the other torsion arm is fixed on the pin shaft (42) and used for driving the calibration rod (43) to swing forwards; a U-shaped bending section (45) which is convenient for the grinding wheel (20) to pass through is arranged in the middle of the calibration rod (43); the lower end of the calibration rod (43) is provided with a calibration head (46), the left side surface of the calibration head (46) is coplanar with the left side surface of the grinding wheel (20), and the right side surface of the calibration head (46) is coplanar with the right side surface of the grinding wheel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272384.1A CN111002165B (en) | 2019-12-12 | 2019-12-12 | Tooth surface polishing device for non-involute variable-thickness gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272384.1A CN111002165B (en) | 2019-12-12 | 2019-12-12 | Tooth surface polishing device for non-involute variable-thickness gear |
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| CN111002165A CN111002165A (en) | 2020-04-14 |
| CN111002165B true CN111002165B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911272384.1A Active CN111002165B (en) | 2019-12-12 | 2019-12-12 | Tooth surface polishing device for non-involute variable-thickness gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112045540B (en) * | 2020-08-24 | 2022-06-24 | 浙江工贸职业技术学院 | Automatic grinding equipment for industrial mechanical parts |
| CN115265932B (en) * | 2022-09-27 | 2023-01-13 | 河北华丰工业集团有限公司 | Transformer radiator monolithic testing arrangement |
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| CN111002165A (en) | 2020-04-14 |
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