CN111151826B

CN111151826B - Gear grinding device

Info

Publication number: CN111151826B
Application number: CN202010107853.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yancheng Xinxi Machinery Manufacturing Co Ltd
Current assignee: Yancheng Xinxi Machinery Manufacturing Co., Ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-11-17
Anticipated expiration: 2040-02-21
Also published as: CN111151826A

Abstract

The invention discloses a gear polishing device which comprises a rack, wherein a first fixed block is fixedly installed at the bottom end of the rack, second fixed blocks are fixedly installed on the front end wall and the rear end wall of the rack, a reciprocating polishing assembly is arranged in the rack and comprises a first motor fixedly installed with the right end wall of the first fixed block, the tail end of the first motor is in power connection with a first rotating shaft extending leftwards and rightwards, and a first transmission cavity and a second transmission cavity are formed in the second fixed block. Through the terminal surface subassembly of polishing, can make and treat that the gear of polishing rotates with the emery wheel to make the emery wheel treat that the gear of polishing carries out more accurate polishing.

Description

Gear grinding device

Technical Field

The invention relates to the technical field of gear manufacturing, in particular to a gear grinding device.

Background

Gears are toothed mechanical parts that can mesh with one another and are used in a very wide variety of applications in the automotive transmission and in the entire mechanical sector. Modern gear technology has reached: the gear module is 0.004-100 mm; the diameter of the gear is 1 mm-150 m; the transmission power can reach hundreds of thousands of kilowatts; the rotating speed can reach hundreds of thousands of revolutions per minute; the highest peripheral speed amounts to 300 m/s. The gear of application on the car, gear operation's stationarity receives attention, and in the production process of gear, processing often has the error, needs carry out continuous size measurement, and when the size difference is less, need polish the gear to reach better size precision, improve the operation stationarity of gear.

Disclosure of Invention

Aiming at the technical defects, the invention provides a gear grinding device which can overcome the defects.

The invention relates to a gear polishing device, which comprises a rack, wherein a first fixed block is fixedly arranged at the bottom end of the rack, second fixed blocks are fixedly arranged on the front end wall and the rear end wall of the rack, a reciprocating polishing component is arranged in the rack and comprises a first motor fixedly arranged on the right end wall of the first fixed block, the tail end of the first motor is in power connection with a first rotating shaft extending leftwards and rightwards, a first transmission cavity and a second transmission cavity are arranged in the second fixed block, the right end of the first rotating shaft penetrates into the first transmission cavity and is fixedly connected with a first belt wheel, a third fixed block is fixedly arranged at the top end of the rack, a transmission groove is arranged in the third fixed block, the first belt wheel is rotatably connected with a second belt wheel positioned in the transmission groove through a belt, a second rotating shaft extending leftwards and rightwards is fixedly arranged at the center of the, the left end and the right end of the second rotating shaft are rotatably installed in the left end wall and the right end wall of the transmission groove, an incomplete gear is fixedly connected to the right end of the second rotating shaft, annular plates which are in sliding fit with the front end wall and the rear end wall of the transmission groove can be meshed at the front end and the rear end of the incomplete gear, a support is fixedly connected to the lower end of each annular plate, a toothed wheel is fixedly installed at the lower end of each support, a fourth fixed block is fixedly installed at the bottom end of the rack, a third transmission cavity is formed in the fourth fixed block, an intermittent assembly is arranged in the rack, an end face polishing assembly is arranged in the rack, an adjusting assembly is arranged in the.

Preferably, the intermittent assembly comprises a first bevel gear fixedly connected with a first rotating shaft, a second bevel gear is fixedly connected with the right end of the first bevel gear, a third rotating shaft extending up and down is fixedly connected at the center of the second bevel gear, the lower end of the third rotating shaft penetrates through the second transmission cavity and is fixedly connected with a drive plate, the drive plate is connected with a grooved pulley through a round pin in an intermittent rotation manner, a fourth rotating shaft extending up and down is fixedly connected at the center of the grooved pulley, the lower end of the fourth rotating shaft penetrates through a second fixed block and is fixedly connected with a first straight gear, a first spline shaft extending up and down is rotatably installed at the bottom end of the rack, a first spline sleeve is in spline fit with the first spline shaft, and a second bevel gear capable of being meshed with the first straight gear is fixedly connected at.

Preferably, the end surface polishing assembly comprises a second motor fixedly mounted on the right end wall of the third transmission cavity, the end of the second motor is in power connection with a fifth rotating shaft extending left and right, the left end of the fifth rotating shaft is fixedly connected with a third bevel gear, the left end of the third bevel gear is meshed with a fourth bevel gear, the center of the fourth bevel gear is fixedly mounted with a sixth rotating shaft extending front and back and rotatably mounted on the front end wall of the third transmission cavity, the rear end of the sixth rotating shaft penetrates out of the fourth fixing block and is fixedly connected with a third straight gear, the first spline sleeve is rotatably connected with a fifth fixing block, the right end of the first spline sleeve is provided with a rack, the left end of the third straight gear is meshed with the fifth fixing block, the upper end of the first spline sleeve is fixedly mounted with a gear to be polished, the right part of the bottom end of the rack is fixedly mounted with a third motor, the end of the third motor is in power, the lower end of the seventh rotating shaft is fixedly connected with a third belt wheel, the third belt wheel is rotatably connected with a fourth belt wheel fixedly connected with the lower end of the first spline shaft through a belt, the upper end of the seventh rotating shaft is fixedly connected with a fifth bevel gear, the right end of the fifth bevel gear is meshed with a sixth bevel gear, a second spline shaft extending left and right is fixedly installed at the center of the sixth bevel gear, the second spline shaft is in spline fit with a second spline sleeve, the second spline sleeve is rotatably connected with a sixth fixed block through a bearing, and the left end of the second spline sleeve is fixedly connected with a grinding wheel.

Preferably, the adjusting assembly comprises a first pressing plate in sliding fit with the right end wall of the frame, a rubber trapezoidal block is fixedly mounted at the upper end of the first pressing plate, a second pressing plate is in sliding fit with the right end wall of the frame, a sliding groove is formed in the right end wall of the frame, a connecting block located in the sliding groove is fixedly mounted at the right end of the second pressing plate, a stop block is arranged below the sliding groove, the lower end of the connecting block is fixedly connected with a first spring fixedly mounted at the bottom end of the sliding groove, a connecting plate is fixedly mounted at the lower end of the first pressing plate, a second spring fixedly mounted at the left end of the connecting plate is fixedly connected with the right end of a third fixing block, and the lower end of the connecting plate is fixedly connected with the upper end of a sixth.

Preferably, the washing assembly comprises a water tank fixedly mounted at the bottom end of the rack, a water pump is fixedly mounted at the upper end of the water tank, the left end of the water pump is fixedly connected with a first water pipe communicated with the water tank, the upper end of the water pump is fixedly connected with a second water pipe penetrating through a third fixing block, and the tail end of the second water pipe is fixedly connected with a spray head fixedly mounted above the gear to be polished and at the lower end of the third fixing block.

The beneficial effects are that: when the device works, the reciprocating polishing assembly and the intermittent assembly for the gear teeth are arranged, so that the toothed wheel rotates for a certain angle along with the reciprocating motion of the gear to be polished, burrs on the gear teeth can be removed, the precision grade of the gear can be improved, and the working efficiency is improved. Through the terminal surface subassembly of polishing, can make and treat that the gear of polishing rotates with the emery wheel to make the emery wheel treat that the gear of polishing carries out more accurate polishing.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a gear grinding apparatus according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic view of C-C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic view of D-D in FIG. 2 according to an embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention discloses a gear polishing device, which comprises a frame 1, wherein a first fixed block 45 is fixedly arranged at the bottom end of the frame 1, second fixed blocks 43 are fixedly arranged on the front end wall and the rear end wall of the frame 1, a reciprocating polishing component is arranged in the frame 1 and comprises a first motor 9 fixedly arranged on the right end wall of the first fixed block 45, the tail end of the first motor 9 is in power connection with a first rotating shaft 44 extending leftwards and rightwards, a first transmission cavity 41 and a second transmission cavity 47 are arranged in the second fixed block, the right end of the first rotating shaft 44 penetrates into the first transmission cavity 41 and is fixedly connected with a first belt wheel 42, a third fixed block 12 is fixedly arranged at the top end of the frame 1, a transmission groove 18 is arranged in the third fixed block 12, and the first belt wheel 42 is rotatably connected with a second belt wheel 14 positioned in the transmission groove 18 through a belt, second pivot 13 that extends about second band pulley 14 center department fixed mounting, both ends are rotated about second pivot 13 and are installed in the end wall about transmission groove 18, second pivot 13 right-hand member fixedly connected with incomplete gear 17, both ends can mesh around the incomplete gear have with end wall sliding fit's annular plate 16 before the transmission groove 18, annular plate 16 lower extreme fixedly connected with support 15, support 15 lower extreme fixed mounting has profile of

tooth wheel

19, 1 bottom fixed mounting of frame has fourth fixed block 36, be provided with third transmission chamber 32 in the fourth fixed block 36, be provided with intermittent type subassembly in the frame 1, be provided with the terminal surface subassembly of polishing in the frame 1, be provided with adjusting part in the 1 right-hand member wall of frame, 1 bottom left part of frame is provided with the subassembly that washes.

Advantageously, the intermittent assembly comprises a first bevel gear 10 fixedly connected to a first rotation shaft 44, a second bevel gear 11 is fixedly connected to the right end of the first bevel gear 10, a third rotating shaft 40 extending up and down is fixedly connected to the center of the second bevel gear 11, the lower end of the third rotating shaft 40 passes through the second transmission cavity 47 and is fixedly connected with a dial 52, the dial 52 is intermittently and rotatably connected with a grooved wheel 53 through a round pin, the center of the grooved wheel 53 is fixedly connected with a fourth rotating shaft 39 which extends up and down, the lower end of the fourth rotating shaft 39 penetrates through the second fixing block 43 and is fixedly connected with a first straight gear 48, a first spline shaft 38 extending up and down is rotatably installed at the bottom end of the frame 1, a first spline sleeve 50 is in spline fit with the first spline shaft 38, a second bevel gear 49 capable of meshing with the first straight gear 48 is fixedly connected to the lower end of the first spline sleeve 50.

Beneficially, the end face polishing assembly includes a second motor 30 fixedly installed on the right end wall of the third transmission cavity 32, a fifth rotating shaft 29 extending left and right is connected to the end power of the second motor 30, a third bevel gear 28 is fixedly connected to the left end of the fifth rotating shaft 29, a fourth bevel gear 31 is meshed with the left end of the third bevel gear 28, a sixth rotating shaft 26 extending front and back and rotatably installed on the front end wall of the third transmission cavity is fixedly installed at the center of the fourth bevel gear 31, the rear end of the sixth rotating shaft 26 penetrates out of the fourth fixing block 36 and is fixedly connected with a third spur gear 25, the first spline sleeve 50 is rotatably connected with a fifth fixing block 51 with a rack at the right end through a bearing, the left end of the third spur gear 25 is meshed with the fifth fixing block, a gear 20 to be polished is fixedly installed on the upper end of the first spline sleeve 50, a third motor 35 is fixedly installed on the right end of the bottom of the rack 1, the end of the third motor 35 is dynamically connected with a seventh rotating shaft 33 extending up and down, the lower end of the seventh rotating shaft 33 is fixedly connected with a third belt wheel 34, the third belt wheel 34 is rotatably connected with a fourth belt wheel 37 fixedly connected with the lower end of the first spline shaft 38 through a belt, the upper end of the seventh rotating shaft is fixedly connected with a fifth bevel gear 59, the right end of the fifth bevel gear is engaged with a sixth bevel gear 58, the center of the sixth bevel gear 58 is fixedly provided with a second spline shaft 99 extending left and right, the second spline shaft 99 is in spline fit with a second spline sleeve 62, the second spline sleeve is rotatably connected with a sixth fixed block 61 through a bearing, and the left end of the second spline sleeve is fixedly connected with a grinding wheel 23.

Advantageously, the adjusting assembly comprises a first pressing plate 27 in sliding fit with the right end wall of the frame 1, a rubber trapezoid block 57 is fixedly mounted at the upper end of the first pressing plate 27, a second pressing plate 22 is in sliding fit with the right end wall of the frame 1, a sliding chute 56 is arranged in the right end wall of the frame 1, a coupling block 54 positioned in the sliding chute 56 is fixedly mounted at the right end of the second pressing plate 22, a stop block 3 is arranged below the sliding chute 56, a first spring 55 fixedly mounted at the bottom end of the sliding chute 56 is fixedly connected to the lower end of the coupling block 54, a coupling plate 60 is fixedly mounted at the lower end of the first pressing plate 27, a second spring 21 fixedly mounted at the left end of the coupling plate 60 is fixedly connected to the right end of the third fixing block 12, and the lower end of the coupling plate 60 is fixedly connected to the upper end of the sixth.

Beneficially, the flushing assembly comprises a water tank 2 fixedly mounted at the bottom end of the frame 1, a water pump 7 is fixedly mounted at the upper end of the water tank 2, a first water pipe 6 communicated with the water tank 2 is fixedly connected to the left end of the water pump 7, a second water pipe 8 penetrating through the third fixing block 12 is fixedly connected to the upper end of the water pump 7, and a spray head 19 fixedly mounted at the lower end of the third fixing block and positioned above the gear 20 to be polished is fixedly connected to the tail end of the second water pipe 8.

In the initial state, the motors are all turned on, the first spring and the second spring are in a normal stretching state, the first straight gear 48 is meshed with the second straight gear 49, and the annular plate 16 is positioned at the top end of the transmission groove 18.

When the work is started, the first motor 9 is started to rotate forwardly, the first motor 9 drives the first belt pulley 42 to rotate through the first rotating shaft 44, the first belt pulley 42 drives the incomplete gear 17 to rotate through the second belt pulley 14, so as to drive the annular plate 16 to reciprocate downwards and upwards in the front end wall and the rear end wall of the transmission groove, so as to process the gear 20 to be polished, meanwhile, the first rotating shaft drives the second bevel gear 11 to rotate through the first bevel gear 10, the second bevel gear 11 drives the driving plate 52 to rotate through the third rotating shaft 40, the driving plate sheave 53 is driven to perform intermittent motion through a round pin by the sheave 52, the second spur gear 49 is driven to rotate by a certain angle through the first spur gear 48, and the second spur gear 49 drives the gear 20 to be polished to rotate by a certain angle through the first spline sleeve 50, so that the toothed wheel 19 rotates a certain angle with one reciprocating motion of the gear to be ground.

When the reciprocating grinding is finished, when the lower end surface of the gear 20 to be ground is to be ground, the second motor 30 is started to rotate in a forward direction, the second motor 30 drives the third bevel gear 28 to rotate through the fifth rotating shaft 29, the third bevel gear 28 drives the third spur gear 25 to rotate clockwise through the fourth bevel gear 26, so that the fifth fixing block 51 drives the first spline sleeve 50 to move upwards, the first spur gear 48 is disengaged from the second spur gear 49, the lower end surface of the gear 20 to be ground is horizontal with the upper end of the grinding wheel 23, at this time, the first pressing plate 27 is pressed, the rubber trapezoid block 57 is positioned on the left side of the stop block 3 and is blocked by the stop block 3, and the coupling plate 60 drives the sixth fixing block 61 to move leftwards, so that the grinding wheel 23 is positioned above the gear 20 to be ground, then, the third motor 35 is started, the third motor 35 drives the third belt pulley 34 to rotate through the seventh rotating shaft 33, the third belt pulley 34 drives the first spline shaft 38 to rotate through the fourth belt pulley 37, so that the gear to be ground 20 rotates, meanwhile, the seventh rotating shaft drives the sixth bevel gear 58 to rotate through the fifth bevel gear 59, the sixth bevel gear 58 drives the second spline sleeve 62 to rotate through the second spline shaft 99, so that the grinding wheel 23 rotates, and thus the grinding wheel can grind the gear to be ground more precisely. When the upper end surface of the gear 20 to be polished is to be polished, the second pressing plate 22 is pressed downwards, the rubber trapezoidal block 57 is disengaged from the stop block, so that the sixth fixing block 61 is reset under the action of the second spring 21, the second motor 30 is started to rotate reversely, the first spur gear and the second spur gear are disengaged, the upper end surface of the gear 20 to be polished and the lower end of the grinding wheel 23 are in a horizontal state, the first pressing plate 27 is pressed again, so that the grinding wheel 23 is positioned below the gear 20 to be polished, and then the third motor 35 is started, so that the upper end surface of the gear 20 to be polished is polished. And when the gear to be polished is polished, the water pump 7 is started, the water pump 7 flushes water from the water tank 2 through the first water pipe 6, and finally sprays the water out of the spray head 19 through the second water pipe 8, so that the gear to be polished is washed.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. A gear polishing device comprises a rack, wherein a first fixed block is fixedly installed at the bottom end of the rack, second fixed blocks are fixedly installed on the front end wall and the rear end wall of the rack, a reciprocating polishing assembly is arranged in the rack and comprises a first motor fixedly installed on the right end wall of the first fixed block, the tail end of the first motor is in power connection with a first rotating shaft extending leftwards and rightwards, a first transmission cavity and a second transmission cavity are arranged in the second fixed block, the right end of the first rotating shaft penetrates into the first transmission cavity and is fixedly connected with a first belt wheel, a third fixed block is fixedly installed at the top end of the rack, a transmission groove is formed in the third fixed block, the first belt wheel is rotatably connected with a second belt wheel positioned in the transmission groove through a belt, and a second rotating shaft extending leftwards and rightwards is fixedly installed at the center of the second belt, the left end and the right end of the second rotating shaft are rotatably installed in the left end wall and the right end wall of the transmission groove, an incomplete gear is fixedly connected to the right end of the second rotating shaft, the front end and the rear end of the incomplete gear can be meshed with annular plates in sliding fit with the front end wall and the rear end wall of the transmission groove, a support is fixedly connected to the lower end of the annular plates, a toothed wheel is fixedly installed at the lower end of the support, a fourth fixed block is fixedly installed at the bottom end of the rack, a third transmission cavity is formed in the fourth fixed block, an intermittent assembly is arranged in the rack, an end face polishing assembly is arranged in the rack, an adjusting assembly is arranged in the right end; the intermittent assembly comprises a first bevel gear fixedly connected with a first rotating shaft, the right end of the first bevel gear is fixedly connected with a second bevel gear, the center of the second bevel gear is fixedly connected with a third rotating shaft extending up and down, the lower end of the third rotating shaft penetrates through the second transmission cavity and is fixedly connected with a drive plate, the drive plate is connected with a grooved pulley in an intermittent rotation mode through a round pin, the center of the grooved pulley is fixedly connected with a fourth rotating shaft extending up and down, the lower end of the fourth rotating shaft penetrates through a second fixed block and is fixedly connected with a first straight gear, a first spline shaft extending up and down is rotatably installed at the bottom end of the rack, the first spline shaft is in spline fit with a first spline sleeve, and the lower end of the first spline sleeve is fixedly connected with a second straight gear capable of; the end face polishing assembly comprises a second motor fixedly mounted with the right end wall of the third transmission cavity, the tail end of the second motor is in power connection with a fifth rotating shaft extending leftwards and rightwards, the left end of the fifth rotating shaft is fixedly connected with a third bevel gear, the left end of the third bevel gear is meshed with a fourth bevel gear, the center of the fourth bevel gear is fixedly mounted with a sixth rotating shaft extending forwards and backwards and rotatably mounted with the front end wall of the third transmission cavity, the rear end of the sixth rotating shaft penetrates out of the fourth fixing block and is fixedly connected with a third straight gear, the first spline sleeve is rotatably connected with a fifth fixing block, the right end of the first spline sleeve is provided with a rack, the left end of the third straight gear is meshed with the fifth fixing block, the gear to be polished is fixedly mounted on the upper end of the first spline sleeve, the right part of the bottom end of the rack is fixedly mounted with a third motor, the tail end of the, the lower end of the seventh rotating shaft is fixedly connected with a third belt pulley, the third belt pulley is rotatably connected with a fourth belt pulley fixedly connected with the lower end of the first spline shaft through a belt, the upper end of the seventh rotating shaft is fixedly connected with a fifth bevel gear, the right end of the fifth bevel gear is meshed with a sixth bevel gear, a second spline shaft extending left and right is fixedly installed at the center of the sixth bevel gear, the second spline shaft is in spline fit with a second spline sleeve, the second spline sleeve is rotatably connected with a sixth fixed block through a bearing, and the left end of the second spline sleeve is fixedly connected with a grinding wheel; the adjusting component comprises a first pressing plate in sliding fit with the right end wall of the frame, a rubber trapezoidal block is fixedly mounted at the upper end of the first pressing plate, a second pressing plate is in sliding fit with the right end wall of the frame, a sliding groove is formed in the right end wall of the frame, a connecting block located in the sliding groove is fixedly mounted at the right end of the second pressing plate, a stop block is arranged below the sliding groove, the lower end of the connecting block is fixedly connected with a first spring fixedly mounted at the bottom end of the sliding groove, a connecting plate is fixedly mounted at the lower end of the first pressing plate, a second spring fixedly mounted at the left end of the connecting plate is fixedly connected with the right end of a third fixing block, and the lower end of the connecting plate is fixedly connected with the upper end of a.

2. The gear grinding apparatus of claim 1, wherein: the washing assembly comprises a water tank fixedly mounted at the bottom end of the frame, a water pump is fixedly mounted at the upper end of the water tank, the left end of the water pump is fixedly connected with a first water pipe communicated with the water tank, the upper end of the water pump is fixedly connected with a second water pipe penetrating through a third fixing block, and the tail end of the second water pipe is fixedly connected with a spray head fixedly mounted above the gear to be polished and at the lower end of the third fixing block.