CN116765512B

CN116765512B - Gear grinding machine

Info

Publication number: CN116765512B
Application number: CN202311081904.7A
Authority: CN
Inventors: 李春营; 戴彦; 洪磊; 吕宏丽
Original assignee: Hebei Tuosi Mechanical Equipment Co ltd
Current assignee: Hebei Tuosi Mechanical Equipment Co ltd
Priority date: 2023-08-26
Filing date: 2023-08-26
Publication date: 2023-11-03
Anticipated expiration: 2043-08-26
Also published as: CN116765512A

Abstract

The application relates to a gear grinding machine, which belongs to the technical field of saw blade processing and comprises a base, wherein a saw blade mounting, adjusting and mounting device and a saw blade abutting device are mounted on the base, a first shaft seat and a second shaft seat are fixed on the base, a workbench side plate and a movable block are arranged between the first shaft seat and the second shaft seat, the workbench side plate is connected with the first shaft seat, and the movable block is connected with the second shaft seat; the saw blade mounting and adjusting device comprises a mounting plate, wherein the mounting plate is connected to the side plate of the workbench, a central hole is formed in the central position of the saw blade, and a positioning shaft is fixed on the mounting plate and penetrates through the central hole; the saw blade propping device comprises a first driving piece and a movable pressing block, wherein a supporting plate is fixed on the movable block, the first driving piece is installed on the supporting plate, the first driving piece drives the movable pressing block to prop against the saw blade, and a second driving piece for driving the movable pressing block to move towards a direction far away from the saw blade is arranged on the side wall of the supporting plate. The application has the effect of improving the processing precision of the saw blade.

Description

Gear grinding machine

Technical Field

The application relates to the field of saw blade machining, in particular to a gear grinding machine.

Background

Saw blades are a generic term for thin sheet circular cutters used to cut solid materials. When the saw blade is subjected to preliminary cutting forming, a plurality of unsharpened end teeth are formed, a mounting hole is formed in the middle of the saw blade, and the end teeth are distributed at equal intervals around the middle point of the saw blade, so that the saw blade does not have stronger cutting capability and is called a bare disc; it is therefore desirable to weld specific serrations to the end teeth to improve cutting ability. The freshly welded saw teeth still need to undergo a round of tooth grinding operation to improve sharpness.

The Chinese patent publication No. CN109623033A discloses a saw blade tooth grinding device and a saw blade processing technology using the device, comprising an erection mechanism and a pressing mechanism; the erecting mechanism comprises a positioning shaft for penetrating the saw blade, the compressing mechanism comprises a propping piece and a propping driving piece, and the compressing mechanism compresses the saw blade. When the saw blade is pressed, the propping driving piece drives the propping piece to prop up the saw blade, and when the next saw tooth of the saw blade needs to be polished, the saw blade needs to be rotated, and the propping driving piece drives the propping piece to be far away from the saw blade, so that the saw blade is rotated. After the rotation of the saw blade is completed, the propping piece is propped against the saw blade again,

the puller has an overshoot, which causes the saw blade to vibrate or deform, resulting in low machining accuracy of the saw blade.

Disclosure of Invention

In order to improve the machining precision of a saw blade, the application provides a gear grinding machine.

The application provides a gear grinding machine which adopts the following technical scheme:

the gear grinding machine comprises a base, wherein a saw blade mounting, adjusting and mounting device and a saw blade abutting device are mounted on the base, a first shaft seat and a second shaft seat are fixed on the base, a workbench side plate and a movable block are arranged between the first shaft seat and the second shaft seat, the workbench side plate is connected with the first shaft seat, and the movable block is connected with the second shaft seat;

the saw blade installation and adjustment device comprises an installation plate, wherein the installation plate is connected to a side plate of the workbench, a central hole is formed in the central position of the saw blade, a positioning shaft is fixed on the installation plate, and the positioning shaft penetrates through the central hole;

the saw blade propping device comprises a first driving piece and a movable pressing block, wherein a supporting plate is fixed on the movable block, the first driving piece is installed on the supporting plate, the first driving piece drives the movable pressing block to prop against the saw blade, and a second driving piece for driving the movable pressing block to move towards a direction far away from the saw blade is arranged on the side wall of the supporting plate.

Through adopting above-mentioned technical scheme, when carrying out the press fastening to the saw bit, put the saw bit on the mounting panel earlier, make the locating shaft pass the centre bore of saw bit, first driving piece drive activity briquetting removes and compresses tightly the saw bit to the saw bit, when needs rotate the saw bit, second driving piece drive activity briquetting removes a short distance to the direction of keeping away from the saw bit, the distance of removal is 0.02-0.08mm, make appear very little clearance between activity briquetting and the saw bit, the saw bit of being convenient for rotates, after the saw bit rotates to accomplish, the second driving piece shrink, under the effect of first driving piece, activity briquetting continues to compress tightly the saw bit, thereby continue to process the tool bit on the saw bit. Through setting up the second driving piece, can reduce the possibility that the saw bit extrusion deformation is extruded to the saw bit many times to the movable briquetting of first driving piece drive, improve the precision of saw bit processing.

Optionally, the top of backup pad is fixed with the guide rail base, the top of guide rail base is provided with the guide rail apron, the guide rail apron with guide rail base sliding connection, first driving piece is first cylinder, first cylinder is fixed in the backup pad, the piston rod of first cylinder with guide rail apron connection, be fixed with the straight line guide rail seat on the guide rail apron, the activity briquetting is fixed the straight line guide rail seat is kept away from the one end of first cylinder.

Through adopting above-mentioned technical scheme, first cylinder drive guide rail apron and linear guide seat remove to drive movable briquetting and remove, thereby make movable briquetting compress tightly the saw bit, guide rail apron and guide rail base sliding connection, thereby make movable briquetting keep stable at the in-process that removes, make movable briquetting can more steadily compress tightly the saw bit, be difficult for causing the impact to the saw bit, reduced the possibility that the saw bit damaged.

Optionally, the below of straight line guide rail seat is provided with first buckler, first buckler will the guide rail base with the guide rail apron covers, first buckler pass through the screw with the guide rail apron is fixed, be connected with the push pedal on the lateral wall of first buckler, the second driving piece is the second cylinder, the second cylinder can promote the push pedal removal.

Through adopting above-mentioned technical scheme, when rotating the saw bit, second cylinder drive push pedal removes a short distance to the direction of keeping away from the saw bit, and the push pedal drives first buckler, straight line guide rail seat, guide rail apron and activity briquetting and removes a short distance to make and produce very little clearance between activity briquetting and the saw bit, thereby be convenient for the saw bit rotates, thereby process the sawtooth of saw bit. The first waterproof cover can reduce when processing the sawtooth, and the cooling water enters into inside the guide rail apron.

Optionally, the movable block top is close to one side of workstation curb plate is fixed with the bottom plate, be provided with the drive on the bottom plate the mounting panel is followed the length direction of bottom plate removes first adjusting part, the workstation curb plate with the movable block passes through the fix with screw, the workstation curb plate is close to one side of first axle bed is fixed with first pivot, the movable block is connected with the second axle bed rotation one side that first axle bed kept away from the workstation curb plate is provided with the drive first pivot wobbling second adjusting part.

Through adopting above-mentioned technical scheme, first adjusting part can drive the saw bit and remove along the length direction of bottom plate, when the saw bit of processing not equidimension, need adjust the position of saw bit along the length direction of bottom plate to process the saw bit, second adjusting part can drive workstation curb plate and movable block swing, thereby drives the saw bit swing, thereby changes the rake angle of saw bit sawtooth, is convenient for polish the sawtooth.

Optionally, the first adjusting part is including fixing first supporting shoe and the second supporting shoe on the bottom plate, first supporting shoe with be provided with first slider between the second supporting shoe, first supporting shoe with rotate between the second supporting shoe and be connected with first screw rod, first screw rod run through first slider and with first slider threaded connection, the mounting panel is fixed on the lateral wall of first slider, install the drive on the first supporting shoe first screw rod pivoted hand wheel.

Through adopting above-mentioned technical scheme, when polishing the saw bit of equidimension not, through rotating the hand wheel, first screw rod can drive first slider and slide along the length direction of bottom plate to make mounting panel and saw bit follow the length direction of bottom plate and remove.

Optionally, the second adjusting part includes lead screw and swing arm, be fixed with the gear motor seat on the base, be fixed with the lead screw pivot seat on the gear motor seat, rotate in the lead screw pivot seat and be connected with the lead screw pivot, be fixed with the drive on the gear motor seat the pivoted gear motor of lead screw pivot, the one end of lead screw pivot pass through the shaft coupling with the lead screw is connected, the lead screw is kept away from one end threaded connection of shaft coupling has the conversion nut seat, the conversion nut seat with the one end rotation of swing arm is connected, the swing arm is kept away from the one end of conversion nut seat with first pivot rotates to be connected.

Through adopting above-mentioned technical scheme, gear motor drive lead screw pivot rotates, and the lead screw pivot passes through the shaft coupling and drives the lead screw and rotate, and the lead screw rotates and drives the change silk seat and remove along the lead screw to make the lead screw drive rocking arm swing, thereby drive workstation curb plate, bottom plate, mounting panel, saw bit and movable block and swing together.

Optionally, be provided with thickness measurement subassembly on the guide rail base, thickness measurement subassembly includes magnetic grating chi reading head and magnetic stripe, the magnetic stripe is fixed on the guide rail base, magnetic grating chi reading head is located the top of magnetic stripe, magnetic grating chi reading head with the guide rail apron is fixed.

Through adopting above-mentioned technical scheme, when polishing the saw bit of different thickness, the change of thickness can be detected to the magnetic grating chi reading head to give PLC with information transfer, PLC gives grinding device with information transfer, and grinding device adjusts, thereby polishes the saw bit. Thickness measurement is carried out on the saw blade through the thickness measurement assembly, and the thickness value of the saw blade is not required to be manually input, so that the operation steps of workers are reduced, and the efficiency is improved.

Optionally, a gear shaping guide rail plate is fixed on one side of the workbench side plate, which is close to the second shaft seat, a gear shaping device is mounted on the gear shaping guide rail plate, a second rotating shaft and a third rotating shaft are fixed on one side of the gear shaping guide rail plate, which is close to the first shaft seat, the second rotating shaft is rotationally connected with the workbench side plate, the third rotating shaft is positioned below the second rotating shaft, a swinging hole is formed in the workbench side plate, the third rotating shaft is inserted into the swinging hole and can swing Kong Baidong along the swinging hole, the gear shaping device comprises a second sliding block and a gear shaping rod, a gear shaping bearing seat is mounted on one end, which is far away from the hand wheel, of the second sliding block, and a first driving assembly for driving the second sliding block to move up and down is arranged on the gear shaping guide rail plate;

the gear shaping cam is arranged on the side plate of the workbench, the gear shaping cam is located on one side, away from the gear shaping bearing seat, of the second sliding block, a contact bearing is arranged on one side, close to the gear shaping cam, of the second sliding block, and a tension spring enabling the contact bearing to be always kept in contact with the gear shaping cam is arranged between one end, away from the gear shaping rod, of the bottom plate and the gear shaping guide rail plate.

Through adopting above-mentioned technical scheme, after the sawtooth of saw bit is polished, need gear shaping device stir the saw bit, make the saw bit rotate certain angle, thereby make the next sawtooth of saw bit polish to grinding device's position, when gear shaping device during operation, first drive assembly drive second slider downwardly moving, because the effect of extension spring, contact bearing keeps contacting with the gear shaping cam all the time, at the in-process of second slider downwardly moving, the top of gear shaping guide rail board rotates along the second pivot, the bottom of gear shaping guide rail board and third pivot are along installation Kong Baidong, therefore the second slider walks an pitch arc, the second slider drives the rack bar and walks an pitch arc, thereby make the rack bar stir the saw bit better.

Optionally, one side that the second slider is close to the gear shaping bearing frame is fixed with the gear shaping connecting plate, the gear shaping bearing frame keep away from one side of gear shaping connecting plate is fixed with the gear shaping limiting plate, be fixed with the gear shaping oscillating axle on the gear shaping bearing frame, the gear shaping connecting plate with be provided with the gear shaping rocking arm between the gear shaping limiting plate, the gear shaping rocking arm with the gear shaping oscillating axle rotates to be connected, the gear inserting rod can dismantle to be connected on the gear shaping rocking arm, the gear shaping rocking arm with be fixed with the spring between the gear shaping connecting plate, set up stop screw on the gear shaping limiting plate, stop screw run through the gear shaping limiting plate and with gear shaping limiting plate threaded connection, stop screw supports tightly the gear shaping rocking arm.

Through adopting above-mentioned technical scheme, when the pinion toggles the saw bit and rotates, the pinion inserts between two saw teeth, the pinion moves down, thereby drive the saw bit and rotate, when the saw bit rotates suitable position, the second slider drives the pinion and reciprocates, the sawtooth of top can be touched when the pinion moves up, owing to be fixed with the spring between pinion and the pinion connecting plate, the pinion can rotate round the pinion oscillating axle, consequently, the pinion moves up when the pinion, the pinion can extrude the spring, thereby make the pinion take place certain rotation, deviate from smoothly in the sawtooth of saw bit, stop screw can carry out spacingly to the pinion, when pinion and saw bit break away from, the pinion returns to initial position under the effect of spring and stop screw.

Optionally, one side of the saw blade away from the movable pressing block is provided with a fixed pressing block, the fixed pressing block is connected with the movable block, and the fixed pressing block and the position of the movable pressing block are oppositely arranged.

Through adopting above-mentioned technical scheme, the saw bit is pressed from both sides tightly between movable briquetting and sawtooth mounting panel, and the homonymy of mounting panel sets up fixed briquetting, and movable briquetting and fixed briquetting press from both sides the saw bit tightly fixedly to the stability of saw bit has been increased.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the saw blade is pressed and fastened, the saw blade is firstly placed on the mounting plate, the positioning shaft penetrates through the center hole of the saw blade, the first driving piece drives the movable pressing block to move towards the saw blade and press the saw blade, when the saw blade is required to rotate, the second driving piece drives the movable pressing block to move towards the direction away from the saw blade for a small distance, the moving distance is 0.02-0.08mm, a small gap is formed between the movable pressing block and the saw blade, the saw blade is convenient to rotate, after the rotation of the saw blade is completed, the second driving piece contracts, and under the action of the first driving piece, the movable pressing block continuously presses the saw blade, so that the tool bit on the saw blade is continuously machined. Through setting up the second driving piece, can reduce the possibility that the saw bit extrusion deformation is extruded to the saw bit many times to the movable briquetting of first driving piece drive, improve the precision of saw bit processing.

2. Guide rail apron and guide rail base sliding connection to make movable briquetting keep stable at the in-process that removes, make movable briquetting can more steadily compress the saw bit, be difficult for causing the impact to the saw bit, reduced the possibility that the saw bit damaged, thickness measurement is carried out the saw bit through the thickness measurement subassembly, need not be through the thickness numerical value of manual input saw bit, reduced workman's operating procedure, improved efficiency.

3. When the gear shaping pole toggles the saw bit and rotates, the gear shaping pole inserts between two saw teeth, the gear shaping pole moves down, thereby drive the saw bit and rotate, when the saw bit rotates suitable position, the second slider drives the gear shaping pole and moves upwards, the gear shaping pole when moving upwards, can touch the sawtooth of top, owing to be fixed with the spring between gear shaping rocking arm and the gear shaping connecting plate, the gear shaping rocking arm can rotate round the gear shaping oscillating axle, consequently, when the gear shaping pole moves upwards, the gear shaping rocking arm can extrude the spring, thereby make the gear shaping pole take place certain rotation, deviate from smoothly in the sawtooth of saw bit, stop screw can be spacing the gear shaping rocking arm, when gear shaping pole breaks away from with the saw bit, the gear shaping pole returns to initial position under the effect of spring and stop screw.

Drawings

Fig. 1 is a schematic view of the overall structure embodying the present application.

Fig. 2 is a schematic view of a table side panel and a second adjustment assembly embodying the present application.

Fig. 3 is a schematic view of a movable block and saw blade embodying the present application.

Fig. 4 is a schematic view of a first adjustment assembly embodying the present application.

Fig. 5 is a schematic view of a blade cinching device embodying the present application.

Fig. 6 is a schematic view of a rail base and rail cover plate embodying the present application.

FIG. 7 is a schematic view of a cross roller rail and thickness measurement assembly embodying the present application.

Fig. 8 is a schematic view of a pinion guide plate, a second shaft and a third shaft embodying the present application.

Fig. 9 is a schematic view of a gear shaping device embodying the present application.

Fig. 10 is a schematic view of a polishing apparatus embodying the present application.

Reference numerals illustrate: 1. a base; 11. a first shaft seat; 12. a second axle seat; 13. a table side plate; 131. a first rotating shaft; 132. a gear shaping guide rail plate; 133. a second rotating shaft; 134. a third rotating shaft; 135. a swing hole; 14. a speed reducing motor base; 141. a screw rod rotating shaft seat; 2. a saw blade mounting and adjusting device; 21. a movable block; 211. ear plates; 212. a relief groove; 213. a support plate; 214. fixing the pressing block; 22. a first adjustment assembly; 221. a first support block; 222. a second support block; 223. a first slider; 224. a first screw; 225. a hand wheel; 226. a guide rod; 23. a bottom plate; 24. a mounting plate; 241. positioning a shaft; 242. an abutting plate; 3. a saw blade abutting device; 31. a movable pressing block; 32. a first cylinder; 321. a connecting block; 322. a second waterproof cover; 33. a guide rail base; 34. a cross roller guide rail; 35. a guide rail cover plate; 351. a first waterproof cover; 36. a linear guide rail seat; 37. a second cylinder; 371. a push plate; 372. a third waterproof cover; 38. a thickness measuring assembly; 381. a magnetic grating ruler reading head; 382. a magnetic stripe; 4. a gear shaping device; 41. a second slider; 42. gear shaping rocker arm; 43. a tooth inserting rod; 44. a first drive assembly; 441. a servo motor; 442. a screw rod; 443. a servo motor base; 45. a gear shaping cam; 451. a gear shaping cam support; 452. a locking handle; 453. cam bearing seat; 454. a contact bearing; 46. a tension spring; 461. a first swing bolt; 462. a second swing bolt; 47. gear shaping bearing seat; 471. a gear shaping connecting plate; 472. a gear shaping limiting plate; 473. a gear shaping swing shaft; 474. a spring; 475. a limit screw; 5. a polishing device; 51. grinding wheel on left; 52. right grinding wheel; 53. an electric spindle; 54. grinding the guide rail cover plate on the left side; 55. grinding the guide rail cover plate on the right side; 56. an electric spindle mounting seat; 6. a second adjustment assembly; 61. a speed reducing motor; 62. a screw rod; 63. swing arms; 64. a screw rod rotating shaft; 65. a coupling; 66. a conversion screw seat; 7. saw blade, 71, central hole.

Detailed Description

The present application will be described in further detail with reference to fig. 1 to 10.

The embodiment of the application discloses a gear grinding machine. Referring to fig. 1 and 2, the gear grinding machine includes a base 1, and a saw blade mounting and adjusting device 2, a saw blade abutting device 3, a gear shaping device 4 and a grinding device 5 are arranged on the base 1.

The base 1 is fixedly provided with a first shaft seat 11 and a second shaft seat 12, one side, close to the second shaft seat 12, of the first shaft seat 11 is provided with a workbench side plate 13, the first shaft seat 11 is rotatably connected with a first rotating shaft 131, and the workbench side plate 13 is fixedly connected with the first rotating shaft 131.

Referring to fig. 2, 3 and 4, the saw blade mounting and adjusting device 2 is located between the table side plate 13 and the second shaft seat 12, the saw blade mounting and adjusting device 2 includes a movable block 21 and a first adjusting component 22, the movable block 21 is fixed with the table side plate 13, a bottom plate 23 is fixed on one side of the top of the movable block 21 near the first shaft seat 11, a mounting plate 24 is arranged on the bottom plate 23, and the mounting plate 24 is located on one side of the bottom plate 23 far away from the first shaft seat 11.

The first adjustment assembly 22 is capable of adjusting movement of the mounting plate 24 along the length of the bottom plate 23. An ear plate 211 is fixed on one side of the movable block 21, which is close to the second shaft seat 12, and the top of the ear plate 211 is rotatably connected with the second shaft seat 12. The axis of the ear plate 211 when rotating with the second shaft seat 12 coincides with the axis of the first rotating shaft 131.

The mounting plate 24 is fixed with a positioning shaft 241, the center position of the saw blade 7 is provided with a center hole 71, the positioning shaft 241 penetrates through the center hole 71, the mounting plate 24 is fixed with an abutting plate 242, and the saw blade 7 is in contact with the abutting plate 242. The movable block 21 is provided with a yielding groove 212, and the yielding groove 212 is arranged to facilitate the installation of the saw blade 7. The saw blade mounting and adjusting device 2 is positioned on one side of the yielding groove 212, and the saw blade abutting device 3 is positioned on the other side of the yielding groove 212.

The first adjusting component 22 comprises a first supporting block 221, a second supporting block 222, a first sliding block 223 and a first screw 224, wherein the first supporting block 221 and the second supporting block 222 are fixed on the upper surface of the bottom plate 23, the first supporting block 221 is located at one end of the bottom plate 23, and the second supporting block 222 is located at the other end of the bottom plate 23. The first slider 223 is located between the first supporting block 221 and the second supporting block 222, the first screw 224 penetrates through the first slider 223 and is in threaded connection with the first slider 223, one end of the first screw 224 is rotationally connected with the first supporting block 221, the other end of the first screw 224 is rotationally connected with the second supporting block 222, and one end, far away from the second supporting block 222, of the first supporting block 221 is provided with a hand wheel 225 for driving the first screw 224 to rotate. Two guide rods 226 are fixed between the first support block 221 and the second support block 222, and the first screw 224 is located between the two guide rods 226. The guide rod 226 penetrates the first slider 223, and the first slider 223 is slidably connected with the guide rod 226.

The hand wheel 225 is rotated, the first screw 224 can drive the first slider 223 to move along the length direction of the first screw 224, so that the mounting plate 24 and the saw blade 7 are driven to move towards the polishing position, and the guide rod 226 can increase the stability of the first slider 223 during moving.

The side of the first shaft seat 11 away from the table side plate 13 is provided with a second adjusting assembly 6, and the second adjusting assembly 6 can drive the table side plate 13 and the movable block 21 to swing around the first rotating shaft 131. The second adjusting component 6 comprises a gear motor 61, a screw rod 62 and a swing arm 63, the base 1 is fixedly provided with a gear motor seat 14, the gear motor 61 is fixedly arranged on the gear motor seat 14, the top of the gear motor seat 14 is fixedly provided with a screw rod rotating shaft seat 141, the screw rod rotating shaft seat 141 is rotationally connected with a screw rod rotating shaft 64, the screw rod rotating shaft 64 is connected with the gear motor 61 through a belt, and a coupler 65 is arranged between the screw rod 62 and the screw rod rotating shaft 64. The top of the swing arm 63 is rotatably connected with a conversion screw seat 66, and a modified screw nut is fixed on the conversion screw seat 66 and is in threaded connection with the screw rod 62.

The gear motor 61 drives the screw shaft 64 to rotate, the screw shaft 64 drives the screw 62 to rotate, and the screw 62 rotates to drive the modified screw nut to move along the length direction of the screw 62, so that the swing arm 63 swings around the first shaft 131, thereby driving the bottom plate 23, the mounting plate 24 and the saw blade 7 to swing, thereby adjusting the position of the saw blade 7, and thus adjusting the front angle of the saw blade 7.

Referring to fig. 5, 6 and 7, the saw blade tightening device 3 is mounted on the movable block 21, the saw blade tightening device 3 includes a movable pressing block 31 and a first driving member, the first driving member is a first cylinder 32, a support plate 213 is fixed on the movable block 21, a guide rail base 33 is fixed on the support plate 213, and the first cylinder 32 is fixed on the guide rail base 33. The cross roller guide rail 34 is installed on the guide rail base 33, the guide rail cover plate 35 is arranged on the press plate guide rail base 33, and the guide rail cover plate 35 is in sliding connection with the press plate guide rail base 33 through the cross roller guide rail 34.

A connecting block 321 is fixed on the piston rod of the first cylinder 32, and the connecting block 321 is fixed with the guide rail cover plate 35 by a screw. The platen guide cover 35 is fixed with a linear guide seat 36, and the movable press block 31 is fixed at one end of the linear guide seat 36 far away from the first cylinder 32. The first cylinder 32 is covered with a second waterproof cover 322, and the second waterproof cover 322 is fixed to the linear guide rail seat 36.

The first cylinder 32 can drive the connecting block 321 to move, and the connecting block 321 drives the guide rail cover plate 35, the linear guide rail seat 36 and the movable pressing block 31 to move towards the direction of the saw blade 7, and the movable pressing block 31 abuts against the saw blade 7, so that the saw blade 7 is abutted against and fixed.

The lower part of the linear guide rail seat 36 is provided with a first waterproof cover 351, the guide rail cover plate 35 is covered by the first waterproof cover 351, and water splashes into the guide rail cover plate 35 when the saw blade 7 is polished. The second driving piece is fixed on the side wall of the supporting plate 213, the second driving piece is a second air cylinder 37, the pushing plate 371 is fixed on the first waterproof cover 351, and the second air cylinder 37 can drive the pushing plate 371 and the movable pressing block 31 to move in a direction far away from the saw blade 7. The second cylinder 37 is externally covered with a third waterproof cover 372, and the third waterproof cover 372 is fixed to the support plate 213.

When the saw blade 7 is subjected to tooth grinding, the movable pressing block 31 is driven by the first air cylinder 32 to press the saw blade 7, after one of the teeth of the saw blade 7 is ground, the saw blade 7 is required to be rotated by the gear shaping device 4, and the push plate 371 is driven by the second air cylinder 37 before rotation, so that the movable pressing block 31 is driven to move a small distance away from the saw blade 7, and the moving distance is 0.02mm-0.08mm.

After the movable pressing block 31 moves a small distance away from the saw blade 7, the gear shaping device 4 dials the saw blade 7, so that the saw blade 7 rotates, and the next tooth to be ground rotates to the proper position of the grinding device 5.

The guide rail base 33 is provided with a thickness measuring assembly 38, the thickness measuring assembly 38 comprises a magnetic grating ruler reading head 381 and a magnetic strip 382, the magnetic strip 382 is fixed on the guide rail base 33, the magnetic grating ruler reading head 381 is located above the magnetic strip 382, and the magnetic grating ruler reading head 381 is fixed at the bottom of the guide rail cover plate 35. When the first cylinder 32 drives the movable pressing block 31 to press the saw blade 7, the guide cover plate 35 of the magnetic grating ruler reading head 381 moves towards the saw blade 7, and the thickness of the saw blade 7 is calculated through the distance that the magnetic grating ruler reading head 381 moves on the magnetic strip 382.

Thickness measurement of the saw blade 7 can be achieved through the thickness measuring assembly 38, data can be transmitted to the PLC through the thickness measuring assembly 38, and the PLC can control the grinding wheel in the grinding device 5 to move, so that the saw blade 7 can be ground. The thickness is measured through the thickness measuring assembly 38, and the manual input of the thickness of the saw blade 7 is not needed, so that the working steps are reduced, and the working efficiency is improved.

Referring to fig. 8 and 9, a gear shaping rail plate 132 is disposed on the table side plate 13, the gear shaping rail plate 132 is located above the bottom plate 23, a second rotating shaft 133 and a third rotating shaft 134 are fixed on one side of the gear shaping rail plate 132 near the table side plate 13, the third rotating shaft 134 is located below the second rotating shaft 133, and the second rotating shaft 133 is rotatably connected with the table side plate 13.

The table side plate 13 is provided with a swinging hole 135, the third rotating shaft 134 is provided with a bearing, the gear shaping guide rail plate 132 can swing around the second rotating shaft 133, and the bearing on the third rotating shaft 134 can swing around the axis of the second rotating shaft 133 along the swinging hole 135.

The gear shaping device 4 is mounted on a gear shaping guide rail plate 132, and the gear shaping device 4 comprises a second slider 41, a gear shaping rocker arm 42 and a gear shaping rod 43, and a first driving assembly 44 for driving the second slider 41 to move along the gear shaping guide rail plate 132 is arranged on the gear shaping guide rail plate 132. The first driving assembly 44 includes a servo motor 441 and a screw rod 442, the second slider 41 is slidably connected with the gear shaping rail plate 132, a servo motor seat 443 is fixed on the gear shaping rail plate 132, the servo motor 441 is fixed on the servo motor seat 443, the screw rod 442 penetrates through the second slider 41 and is in threaded connection with the second slider 41, the servo motor 441 drives the screw rod 442 to rotate, and the screw rod 442 drives the second slider 41 to slide along the gear shaping rail plate 132.

One side of the gear shaping guide rail plate 132 is provided with a gear shaping cam 45, a gear shaping cam support 451 is fixed on the side plate 13 of the workbench, the gear shaping cam 45 is rotationally connected with the gear shaping cam support 451, a locking handle 452 is arranged on the gear shaping cam 45, and the locking handle 452 can lock the gear shaping cam 45 on the gear shaping cam support 451.

A cam bearing seat 453 is fixed on one side of the second slider 41 close to the gear shaping cam 45, a contact bearing 454 is rotatably connected to the cam bearing seat 453, and the outer wall of the contact bearing 454 is in contact with the outer wall of the gear shaping cam 45. In order to keep the gear shaping cam 45 in contact with the contact bearing 454 at all times, a tension spring 46 is provided between the second slider 41 and the first support block 221. A first swing bolt 461 is fixed to the side wall of the gear shaping rail plate 132, a second swing bolt 462 is fixed to the first support block 221, one end of the tension spring 46 is hooked to the first swing bolt 461, and the other end of the tension spring 46 is hooked to the second swing bolt 462. By the action of the tension spring 46, the contact bearing 454 is always in contact with the gear shaping cam 45, and the second slider 41 moves downward to form an arc.

A gear shaping connection plate 471 is fixed on one side of the second slider 41, a gear shaping bearing seat 47 is fixed on the gear shaping connection plate 471, and a gear shaping limiting plate 472 is fixed on one end of the gear shaping bearing seat 47 away from the gear shaping connection plate 471. The gear shaping rocker arm 42 is located between gear shaping connecting plate 471 and gear shaping limiting plate 472, is fixed with gear shaping oscillating axle 473 on the gear shaping bearing frame 47, and gear shaping rocker arm 42 is connected with gear shaping oscillating axle 473 in a rotation way. The pinion rod 43 is detachably connected to the pinion rocker arm 42 by a bolt.

In order to limit the position of the gear inserting rod 43, a spring 474 is fixed between the gear inserting rocker arm 42 and the gear inserting connecting plate 471, a limit screw 475 is arranged between the gear inserting rocker arm 42 and the gear inserting limit plate 472, the limit screw 475 penetrates through the gear inserting limit plate 472 and is in threaded connection with the gear inserting limit plate 472, and the limit screw 475 abuts against the gear inserting rocker arm 42. The position of the gear shaping rocker arm 42 is adjusted by adjusting the relative positions of the limit screw 475 and the gear shaping limit plate 472, so that the position of the gear shaping rod 43 is determined, and the gear shaping rod 43 is convenient to stir the saw blade 7.

When the saw blade 7 is shifted, the servo motor 441 drives the second slider 41 to move downwards, and as the tension spring 46 is connected between the gear shaping guide rail plate 132 and the first supporting block 221, the contact bearing 454 always contacts with the gear shaping cam 45 under the action of the tension spring 46, so that the second slider 41 swings along the first rotating shaft 131 in the downward moving process, the path of the gear shaping guide rail plate 132 is arc, and the gear shaping rod 43 is convenient to insert between two teeth of the saw blade 7, thereby driving the saw blade 7 to rotate.

Referring to fig. 10, the grinding device 5 is located at one side of the movable block 21, and the grinding device 5 includes left and right grinding wheels 51 and 52, each of which is driven by an electric spindle 53. The base 1 is provided with a left grinding guide rail cover plate 54 and a right grinding guide rail cover plate 55, and electric spindle mounting seats 56 are fixed on the left grinding guide rail cover plate 54 and the right grinding guide rail cover plate 55.

The base 1 is provided with a second driving component which drives the left grinding guide rail cover plate 54 and the right grinding guide rail cover plate 55 to move back and forth and left and right respectively, and the second driving component can be a motor screw rod module. To increase stability when the left and right lapping track covers 54, 55 are moved, cross roller tracks may be provided under the left and right lapping track covers 54, 55.

The implementation principle of the gear grinding machine provided by the embodiment of the application is as follows: when the saw teeth on the saw blade 7 are ground, the saw blade 7 is firstly installed on the mounting plate 24, the positioning shaft 241 is inserted into the central hole 71 of the saw blade 7, then the position of the saw blade 7 is adjusted, the positions of the mounting plate 24 and the saw blade 7 are adjusted by rotating the hand wheel 225, the position of the saw blade 7 to be ground is just opposite to the left grinding wheel 51 and the right grinding wheel 52, and then the movable pressing block 31 is driven by the first air cylinder 32 to abut against the saw blade 7.

Then through the second adjusting component 6, the gear motor 61 drives the screw rod 62 to rotate, so that the movable block 21 and the side plate 13 of the workbench rotate by a proper angle, the front angle of the saw teeth in the saw blade 7 is adjusted, and then the saw teeth are polished.

After finishing polishing one of the saw teeth, the second cylinder 37 drives the push plate 371 to move a small distance away from the saw blade 7, so that the movable pressing block 31 is not tightly attached to the saw blade 7, the gear shaping device 4 dials the saw blade 7, and the saw blade 7 rotates around the first rotating shaft 131 by a certain angle, so that the next saw tooth to be polished moves between the left polishing wheel 51 and the right polishing wheel 52. The toothed bar 43 is then moved upwards, the second cylinder 37 is contracted, the movable press block 31 continues to press the saw blade 7, after which the teeth are ground.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. A tooth grinder, characterized in that: the saw blade fixing device comprises a base (1), wherein a saw blade fixing adjusting device (2) and a saw blade abutting device (3) are arranged on the base (1), a first shaft seat (11) and a second shaft seat (12) are fixed on the base (1), a workbench side plate (13) and a movable block (21) are arranged between the first shaft seat (11) and the second shaft seat (12), the workbench side plate (13) is connected with the first shaft seat (11), and the movable block (21) is connected with the second shaft seat (12);

the saw blade installation adjusting device (2) comprises an installation plate (24), the installation plate (24) is connected to the workbench side plate (13), a central hole (71) is formed in the central position of the saw blade (7), a positioning shaft (241) is fixed on the installation plate (24), and the positioning shaft (241) penetrates through the central hole (71);

the saw blade abutting device (3) comprises a first driving piece and a movable pressing block (31), a supporting plate (213) is fixed on the movable block (21), the first driving piece is installed on the supporting plate (213), the first driving piece drives the movable pressing block (31) to abut against the saw blade (7), and a second driving piece for driving the movable pressing block (31) to move in a direction away from the saw blade (7) is arranged on the side wall of the supporting plate (213);

a bottom plate (23) is fixed on one side, close to the workbench side plate (13), of the top of the movable block (21), a gear shaping guide rail plate (132) is fixed on one side, close to the second shaft seat (12), of the workbench side plate (13), a gear shaping device (4) is mounted on the gear shaping guide rail plate (132), a second rotating shaft (133) and a third rotating shaft (134) are fixed on one side, close to the first shaft seat (11), of the gear shaping guide rail plate (132), the second rotating shaft (133) is rotationally connected with the workbench side plate (13), the third rotating shaft (134) is located below the second rotating shaft (133), a swinging hole (135) is formed in the workbench side plate (13), the third rotating shaft (134) is inserted into the swinging hole (135) and can swing along the swinging hole (135), the gear shaping device (4) comprises a second sliding block (41) and a gear shaping rod (43), one end of the second sliding block (41) is far away from the hand wheel (225), a gear shaping assembly (47) is mounted on the second sliding block (47), and the gear shaping rod (43) is mounted on the lower gear shaping assembly (47);

a gear shaping cam (45) is arranged on the side plate (13) of the workbench, the gear shaping cam (45) is positioned on one side, away from the gear shaping bearing seat (47), of the second sliding block (41), a contact bearing (454) is arranged on one side, close to the gear shaping cam (45), of the second sliding block (41), a tension spring (46) which enables the contact bearing (454) to be always in contact with the gear shaping cam (45) is arranged between one end, away from the gear shaping rod (43), of the bottom plate (23) and the gear shaping guide rail plate (132);

the gear shaping device is characterized in that a gear shaping connecting plate (471) is fixed on one side, close to the gear shaping bearing seat (47), of the gear shaping bearing seat (47) and is far away from one side, fixed with a gear shaping limiting plate (472), of the gear shaping bearing seat (47) is fixed with a gear shaping swing shaft (473), a gear shaping rocker arm (42) is arranged between the gear shaping connecting plate (471) and the gear shaping limiting plate (472), the gear shaping rocker arm (42) is connected with the gear shaping swing shaft (473) in a rotating mode, the gear shaping rod (43) is detachably connected with the gear shaping rocker arm (42), a spring (474) is fixed between the gear shaping connecting plate (471), a limiting screw (475) is arranged on the gear shaping limiting plate (472), and the limiting screw (475) penetrates through the gear shaping limiting plate (472) and is in threaded connection with the gear shaping limiting plate (472), and the gear shaping rocker arm (42) is tightly abutted to the gear shaping rocker arm (475).

2. The tooth grinding machine as defined in claim 1, wherein: the top of backup pad (213) is fixed with guide rail base (33), the top of guide rail base (33) is provided with guide rail apron (35), guide rail apron (35) with guide rail base (33) sliding connection, first driving piece is first cylinder (32), first cylinder (32) are fixed on backup pad (213), the piston rod of first cylinder (32) with guide rail apron (35) are connected, be fixed with sharp guide rail seat (36) on guide rail apron (35), movable briquetting (31) are fixed straight line guide rail seat (36) are kept away from the one end of first cylinder (32).

3. The tooth grinding machine as set forth in claim 2, wherein: the utility model discloses a linear guide seat, including straight line guide seat (36), guide rail base (33) and guide rail apron (35) are installed in the side wall of straight line guide seat (36), guide rail base (33) and guide rail apron (35) cover, first waterproof cover (351) pass through the screw with guide rail apron (35) are fixed, be connected with push pedal (371) on the lateral wall of first waterproof cover (351), the second driving piece is second cylinder (37), second cylinder (37) can promote push pedal (371) removal.

4. The tooth grinding machine as defined in claim 1, wherein: be provided with the drive on bottom plate (23) mounting panel (24) are followed first regulation subassembly (22) that the length direction of bottom plate (23) removed, workstation curb plate (13) with movable block (21) pass through the fix with screw, workstation curb plate (13) are close to one side of first axle bed (11) is fixed with first pivot (131), movable block (21) are connected with second axle bed (12) rotation, first axle bed (11) are kept away from one side of workstation curb plate (13) is provided with the drive first pivot (131) wobbling second regulation subassembly (6).

5. The tooth grinding machine as set forth in claim 4, wherein: the first adjusting component (22) comprises a first supporting block (221) and a second supporting block (222) which are fixed on a bottom plate (23), a first sliding block (223) is arranged between the first supporting block (221) and the second supporting block (222), a first screw (224) is rotatably connected between the first supporting block (221) and the second supporting block (222), the first screw (224) penetrates through the first sliding block (223) and is in threaded connection with the first sliding block (223), the mounting plate (24) is fixed on the side wall of the first sliding block (223), and a hand wheel (225) for driving the first screw (224) to rotate is mounted on the first supporting block (221).

6. The tooth grinding machine as set forth in claim 4, wherein: the second adjusting component (6) comprises a screw rod (62) and a swing arm (63), a speed reduction motor seat (14) is fixed on the base (1), a screw rod rotating shaft seat (141) is fixed on the speed reduction motor seat (14), a screw rod rotating shaft (64) is rotationally connected in the screw rod rotating shaft seat (141), a speed reduction motor (61) for driving the screw rod rotating shaft (64) to rotate is fixed on the speed reduction motor seat (14), one end of the screw rod rotating shaft (64) is connected with the screw rod (62) through a coupler (65), one end of the coupler (65) is in threaded connection with a conversion screw seat (66), one end of the swing arm (63) is in rotational connection with one end of the conversion screw seat (66), and one end of the swing arm (63) is in rotational connection with the first rotating shaft (131).

7. The tooth grinding machine as set forth in claim 2, wherein: the thickness measuring device is characterized in that a thickness measuring assembly (38) is arranged on the guide rail base (33), the thickness measuring assembly (38) comprises a magnetic grating ruler reading head (381) and a magnetic strip (382), the magnetic strip (382) is fixed on the guide rail base (33), the magnetic grating ruler reading head (381) is located above the magnetic strip (382), and the magnetic grating ruler reading head (381) is fixed with the guide rail cover plate (35).

8. The tooth grinding machine as defined in claim 1, wherein: one side of the saw blade (7) far away from the movable pressing block (31) is provided with a fixed pressing block (214), the fixed pressing block (214) is connected with the movable block (21), and the positions of the fixed pressing block (214) and the movable pressing block (31) are oppositely arranged.