CN114603415A - Powder metallurgy crankshaft sprocket processing equipment - Google Patents
Powder metallurgy crankshaft sprocket processing equipment Download PDFInfo
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- CN114603415A CN114603415A CN202210304967.3A CN202210304967A CN114603415A CN 114603415 A CN114603415 A CN 114603415A CN 202210304967 A CN202210304967 A CN 202210304967A CN 114603415 A CN114603415 A CN 114603415A
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 70
- 238000005498 polishing Methods 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 description 9
- 238000003754 machining Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 206010006514 bruxism Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010862 gear shaping Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
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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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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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
-
- 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
Landscapes
- 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 relates to powder metallurgy crankshaft sprocket processing equipment, which comprises a workbench, a fixing device and a grinding device, wherein the top of the workbench is provided with the fixing device, the top of the workbench is also provided with the grinding device at a position close to the rear side, when the powder metallurgy crankshaft sprocket processing equipment is ground, a grinding frame can be replaced at any time according to the difference of the number of teeth on the powder metallurgy crankshaft sprocket, so that the applicability of the equipment in grinding the crankshaft sprocket is improved, the powder metallurgy crankshaft sprocket processing equipment can also grind a plurality of powder metallurgy crankshaft sprockets simultaneously, feeding and discharging are not needed in the grinding process, the working efficiency is improved, and the labor force is reduced simultaneously, through the arranged hairbrush, grinding scraps existing between teeth on the powder metallurgy crankshaft sprocket can be cleaned in time without influencing the grinding precision, and the polishing effect is greatly improved, so that the polishing quality is improved.
Description
Technical Field
The invention relates to the field of powder metallurgy crankshaft chain wheels, in particular to powder metallurgy crankshaft chain wheel processing equipment.
Background
The chain wheel is a common transmission part, has important application in mechanical equipment, is complex in production and manufacturing process, and needs to be subjected to multiple steps of casting blank making, normalizing, turning, hobbing and gear shaping, gear shaving, heat treatment, grinding, finishing and the like, and in the grinding process, the chain wheel needs to be subjected to fine grinding treatment in order to ensure the transmission precision of the chain wheel.
The traditional powder metallurgy crankshaft sprocket still has the following problem in the process of polishing:
1. traditional powder metallurgy crankshaft sprocket when polishing, generally once only can polish to the crankshaft sprocket of the same kind of tooth number, and then greatly reduced the suitability of equipment when polishing crankshaft sprocket.
2. Traditional powder metallurgy crankshaft sprocket when polishing, most once only can only polish to single, and single powder metallurgy crankshaft sprocket goes up unloading in the in-process of polishing need making a round trip, has still reduced work efficiency when increasing the labour.
3. Traditional powder metallurgy crankshaft sprocket when polishing, there is the piece of polishing easily between tooth and the tooth on the powder metallurgy crankshaft sprocket after polishing to can influence the precision of powder metallurgy crankshaft sprocket when polishing, and then reduce the quality of polishing.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides powder metallurgy crankshaft sprocket machining equipment.
The technical scheme adopted by the invention to solve the technical problem is as follows: the powder metallurgy crankshaft sprocket machining equipment comprises a workbench, a fixing device and a polishing device, wherein the fixing device is arranged at the top of the workbench, and the polishing device is also arranged at the position, close to the rear side, at the top of the workbench;
the fixing device comprises an Contraband-shaped plate, a fixing baffle, a first annular cylinder, a second annular cylinder, a fixing plate, an electric telescopic rod, a pushing plate, a cylindrical rod, a clamping frame and a rotating frame, wherein the position, close to the rear side, of the top of the workbench is fixedly provided with a Contraband-shaped plate, the front end face of a Contraband-shaped plate is provided with a detachable fixing baffle, one end, parallel to the Contraband-shaped plate and the fixing baffle, of the first annular cylinder is uniformly and rotatably arranged from left to right, the inner wall of the first annular cylinder is of an internal spline structure, the front end face of the first annular cylinder is fixedly provided with the second annular cylinder, the upper end face of the workbench is fixedly provided with the fixing plate close to the center position of the rear end, the front end face of the fixing plate is fixedly provided with the electric telescopic rod, the front end face of the electric telescopic rod is fixedly provided with the pushing plate, the front end face of the pushing plate is uniformly and rotatably provided with the cylindrical rod from left to right, and the cylindrical rod corresponds to the first annular cylinder, the cylindrical rod is in an external spline structure, the cylindrical rod is arranged in the first annular cylinder in a sliding mode, the second annular cylinder is internally provided with a clamping frame, and the rear end face of the Contraband-shaped plate is provided with a rotating frame;
the polishing device comprises a supporting rod, a structural plate, a cylinder, a horizontal plate, a first spring rod, an extension plate, a rotating rod, a first gear, a polishing frame and a driving frame, the up end of workstation be close to the fixed position of rear end and install four bracing pieces, four bracing pieces are the matrix and arrange, the common fixed mounting in top of four bracing pieces has the structural slab, the bottom fixed mounting of structural slab has the cylinder, the removal end fixed mounting of cylinder has the horizontal plate, through a plurality of spring beam fixed connection between horizontal plate and the structural slab, the bottom of horizontal plate has the board of stretching out from left to right even fixed mounting, it is provided with the rotary rod all to rotate on the board to stretch out, the equal fixed mounting in right side that just is located the board on the rotary rod has a gear, the left side that just is located the board of stretching out on the rotary rod all is provided with the frame of polishing, the position that the lower terminal surface of horizontal plate is close to the rear side is provided with and drives the frame.
As a preferred technical scheme, the clamping frame comprises a movable plate, an arc-shaped plate, a connecting block and a rotating rod, a sliding hole is formed in the second annular cylinder along the circumferential direction, the movable plate is arranged in the sliding hole in a sliding mode, the arc-shaped plate is fixedly arranged on the movable plate and located on the outer side of the second annular cylinder, the connecting block is hinged to the movable plate and located on the inner side of the second annular cylinder through a pin shaft, the rotating rod is hinged to the other end of the connecting block through the pin shaft, and the rear end face of the rotating rod is fixedly connected with the front end face of the cylindrical rod.
As a preferable technical scheme of the invention, the rotating frame comprises a driving motor, a driving gear, a driven gear and a chain, the driving motor is fixedly installed at the position, close to the left side, of the rear end surface of the Contraband-shaped plate, the driving gear is fixedly installed at the output shaft of the driving motor, the driven gear is fixedly sleeved on the first annular cylinder and positioned at the rear end of the Contraband-shaped plate, the driving gear and the driven gear are in meshing transmission, chain wheels are fixedly sleeved on the first annular cylinders and positioned at the front ends of the driven gears, and the chain wheels are in transmission connection through the chain.
As a preferred technical scheme, the polishing frame comprises a fixed rod, a movable rod, a circular plate, a connecting rod, a polishing roller and an annular polishing block, wherein a first circular groove is formed in the position, located on the left side of the extending plate, of the rotating rod, a second circular groove is formed in the top of the rotating rod and communicated with the first circular groove, the fixed rod is arranged in the second circular groove, the bottom of the fixed rod is of a threaded structure, the movable rod is slidably arranged in the first circular groove, a circular through hole is formed in the top of the movable rod, the circular plate is fixedly arranged on the left side of the movable rod, the polishing roller is fixedly arranged on the left side of the circular plate through the connecting rod, the annular polishing block is fixedly arranged on the polishing roller, the annular polishing block is in a discontinuous threaded shape, and the distances of screw pitches on different annular polishing blocks are different.
As a preferable technical scheme of the invention, the driving frame comprises extension blocks, motors, a second round rod and a second gear, the extension blocks are symmetrically and fixedly installed on the left side and the right side of the position, close to the rear side, of the lower end face of the horizontal plate, the motor is fixedly installed at one end of one of the extension blocks, the second round rod is fixedly installed on an output shaft of the motor, one end of the second round rod is rotatably connected with the side wall of the other extension block, the second gear is uniformly and fixedly installed on the second round rod from left to right, and the second gear is in meshing transmission with the first gear.
According to a preferable technical scheme of the invention, the upper end face of the horizontal section of the shaped plate is uniformly provided with limiting grooves from left to right, the limiting grooves are positioned on the right side of the second annular cylinder, the limiting grooves are internally provided with stabilizing plates in a sliding manner, the left sides of the stabilizing plates close to the front ends are fixedly provided with hair brushes, the upper end face of the horizontal section of the Contraband shaped plate and positioned on the left side of the limiting grooves are rotatably provided with a first round rod, and the first round rod is fixedly provided with a limiting plate.
As a preferred technical scheme of the invention, the surface of the annular grinding block is uniformly provided with arc-shaped grooves, cylindrical rollers are arranged in the arc-shaped grooves through pin shafts, and the surfaces of the cylindrical rollers are rough.
As a preferable technical scheme of the invention, the outer side wall of the arc-shaped plate is fixedly provided with a rubber non-slip mat.
Compared with the prior art, the invention has the following advantages:
1. according to the powder metallurgy crankshaft sprocket machining equipment, when the powder metallurgy crankshaft sprocket machining equipment is polished, the polishing frame can be replaced at any time according to different tooth numbers on the powder metallurgy crankshaft sprocket, so that the applicability of the equipment in polishing the crankshaft sprocket is improved.
2. According to the invention, through the arranged brush, polishing debris existing between the teeth on the powder metallurgy crankshaft sprocket can be cleaned in time, the polishing precision is not influenced, the polishing effect is greatly improved, and the polishing quality is improved.
3. According to the invention, through the arranged clamping frame, the inner diameters of a plurality of powder metallurgy crankshaft chain wheels to be processed can be supported and clamped at the same time, and the rubber anti-slip pads arranged on the outer side walls of the arc-shaped plates can increase friction, so that the clamping force on the inner diameters of the powder metallurgy crankshaft chain wheels to be processed is enhanced, and the phenomenon that the powder metallurgy crankshaft chain wheels shake when the powder metallurgy crankshaft chain wheels are polished is prevented, thereby influencing the polishing quality of the powder metallurgy crankshaft chain wheels.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view (from front to back) of the present invention;
FIG. 2 is a schematic perspective view (from back to front) of the present invention;
FIG. 3 is a main sectional structural view of the present invention;
FIG. 4 is an enlarged view of the M-direction portion of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the N-direction portion of FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged view of the X-direction detail of FIG. 3 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 8 is a top view of the present invention;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8 in accordance with the present invention;
fig. 10 is a schematic diagram of the structure of the work object of the present invention.
In the figure: 1. a work table; 2. a fixing device; 20. contraband shaped plates; 201. a stabilizing plate; 202. a brush; 203. a first round rod; 204. a limiting plate; 21. fixing a baffle plate; 22. a first annular cylinder; 23. a second annular cylinder; 24. a fixing plate; 25. an electric telescopic rod; 26. a push plate; 27. a cylindrical rod; 28. a clamping frame; 281. moving the plate; 282. an arc-shaped plate; 285. a rubber non-slip mat; 283. connecting blocks; 284. rotating the rod; 29. a rotating frame; 291. a drive motor; 292. a driving gear; 293. a driven gear; 294. a chain; 3. a polishing device; 30. a support bar; 31. a structural panel; 32. a cylinder; 33. a horizontal plate; 34. a first spring rod; 35. extending the plate; 36. rotating the rod; 37. a first gear; 38. a polishing frame; 381. fixing the rod; 382. a travel bar; 383. a circular plate; 384. a connecting rod; 385. grinding a roller; 386. an annular sanding block; 39. a driving frame; 391. a protruding block; 392. an electric motor; 393. a second round rod; 394. and a second gear.
Detailed Description
The present invention is further described in order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand.
Referring to fig. 1, the powder metallurgy crankshaft sprocket machining equipment comprises a workbench 1, a fixing device 2 and a grinding device 3, wherein the fixing device 2 is arranged at the top of the workbench 1, and the grinding device 3 is further arranged at the position, close to the rear side, of the top of the workbench 1.
Referring to fig. 1, 2, 3 and 7, the fixing device 2 includes Contraband-shaped plates 20, a fixing baffle 21, a first annular cylinder 22, a second annular cylinder 23, a fixing plate 24, an electric telescopic rod 25, a pushing plate 26, a cylindrical rod 27, a clamping frame 28 and a rotating frame 29, the top of the workbench 1 is fixedly provided with Contraband-shaped plates 20, 21274at a position close to the rear side, the front end face of the first annular cylinder 20 is provided with the detachable fixing baffle 21, 21274, one end of the parallel plate 20 and the fixing baffle 21 is uniformly and rotatably provided with the first annular cylinder 22 from left to right, the inner wall of the first annular cylinder 22 is in an internal spline structure, the front end face of the first annular cylinder 22 is fixedly provided with the second annular cylinder 23, the central position of the upper end face of the workbench 1 close to the rear end is fixedly provided with the fixing plate 24, the front end face of the fixing plate 24 is fixedly provided with the electric telescopic rod 25, the pushing plate 26 is fixedly provided on the front end face of the electric telescopic rod 25, the front end face of the pushing plate 26 is uniformly and rotatably provided with a cylindrical rod 27 from left to right, the cylindrical rod 27 corresponds to the first annular cylinder 22, the cylindrical rod 27 is of an external spline structure, the cylindrical rod 27 is slidably arranged in the first annular cylinder 22, the second annular cylinder 23 is internally provided with a clamping frame 28, 21274, and the rear end face of the shaped plate 20 is provided with a rotating frame 29.
Firstly, sleeving powder metallurgy crankshaft chain wheels to be processed on a second annular cylinder 23 in batches, enabling one end of the powder metallurgy crankshaft chain wheel to be processed to be contacted with the front end of the first annular cylinder 22, starting an electric telescopic rod 25 after the contact, pushing a push plate 26 to move forwards by the electric telescopic rod 25, pushing the multiple groups of cylindrical rods 27 to slide in the first annular cylinder 22 by the push plate 26, enabling a clamping frame 28 to rapidly support and clamp the inner diameters of the powder metallurgy crankshaft chain wheels to be processed, after the clamping, utilizing a grinding device 3 arranged above the powder metallurgy crankshaft chain wheels supported and clamped, finally starting a rotating frame 29, further finishing grinding the powder metallurgy crankshaft chain wheels, enabling chips after grinding to fall into a space formed between an Contraband-shaped plate 20 and a fixed baffle 21, and enabling the shape plates 20 to be detachable through the arranged fixed baffles 21 and 74212, the utility model can conveniently and timely clean up the scraps in the space formed between the v-shaped plate 20 and the fixed baffle 21, thereby avoiding the problem of messy and poor working environment.
Referring to fig. 1, 5 and 7, the clamping frame 28 include a movable plate 281, an arc plate 282, a connecting block 283 and a rotating rod 284, the second annular cylinder 23 on have been seted up along circumference and have been provided with the slide hole, the slide hole slides and is provided with the movable plate 281, the movable plate 281 on and the outside that is located the second annular cylinder 23 all fixed mounting have an arc plate 282, the inboard that just is located the second annular cylinder 23 on the movable plate 281 all articulates through the round pin axle has a connecting block 283, the other end of connecting block 283 articulates jointly through the round pin axle has a rotating rod 284, the rear end face of rotating rod 284 and the preceding terminal surface fixed connection of cylindrical rod 27.
Referring to fig. 5, a rubber non-slip mat 285 is fixedly installed on the outer side wall of the arc plate 282.
When the catch plate 26 promoted multiunit cylinder pole 27 and slided in a ring section of thick bamboo 22, cylinder pole 27 made dwang 284 promote a plurality of connecting blocks 283 simultaneously and removed, at this moment under the spacing of sliding hole, connecting block 283 promotes movable plate 281 and slides in the sliding hole, movable plate 281 promotes the arc 282 and supports the internal diameter of the powder metallurgy crankshaft sprocket that needs to carry out processing and press from both sides tightly, rubber slipmat 285 through the lateral wall installation at arc 282, can increase the friction, make the clamp force reinforcing of the internal diameter of the powder metallurgy crankshaft sprocket that needs to process, prevent when polishing the powder metallurgy crankshaft sprocket, the phenomenon can take place to rock in the powder metallurgy crankshaft sprocket, thereby the quality of polishing the powder metallurgy crankshaft sprocket is influenced.
Referring to fig. 1, 3 and 8, the upper end surface of the horizontal section of the v-shaped plate 20 is uniformly provided with a limiting groove from left to right, the limiting groove is positioned on the right side of the second annular cylinder 23, a stabilizing plate 201 is slidably arranged in the limiting groove, a brush 202 and a v-21274are fixedly arranged on the left side of the stabilizing plate 201 close to the front end, a first round rod 203 is rotatably arranged on the upper end surface of the horizontal section of the v-shaped plate 20 and positioned on the left side of the limiting groove, and a limiting plate 204 is fixedly arranged on the first round rod 203.
After the clamping frame 28 is used for supporting and clamping the inner diameter of the powder metallurgy crankshaft sprocket to be processed, the stabilizing plate 201 is arranged in the limiting groove in a sliding mode, after the fixing plate is installed, the round rod 203 is rotated, the round rod 203 drives the limiting plate 204 to rotate, the limiting plate 204 limits the top of the installed stabilizing plate 201, when the grinding device 3 is used for grinding teeth of the powder metallurgy crankshaft sprocket to be processed in a rotating mode, chips between the teeth of the ground powder metallurgy crankshaft sprocket can be cleaned by the brush 202 arranged on the stabilizing plate 201, the cleaned chips directly fall into a space formed between the Contraband-shaped plate 20 and the fixed baffle plate 21, grinding of the powder metallurgy crankshaft sprocket cannot be influenced, the grinding effect is greatly improved, the stabilizing plate 201 can be detached, the brush 202 can be replaced at any time, and the cleaning effect is prevented from being influenced.
Referring to fig. 1, 2 and 3, the polishing device 3 includes a support rod 30, a structural plate 31, a cylinder 32, a horizontal plate 33, a first spring rod 34, an extension plate 35, a rotary rod 36, a first gear 37, a polishing frame 38 and a driving frame 39, four support rods 30 are fixedly installed at positions, close to the rear end, of the upper end surface of the worktable 1, the four support rods 30 are arranged in a matrix, the structural plate 31 is fixedly installed at the top of the four support rods 30 together, the cylinder 32 is fixedly installed at the bottom of the structural plate 31, the horizontal plate 33 is fixedly installed at the moving end of the cylinder 32, the horizontal plate 33 is fixedly connected with the structural plate 31 through the first spring rods 34, the extension plate 35 is uniformly and fixedly installed at the bottom of the horizontal plate 33 from left to right, the rotary rod 36 is rotatably installed on the extension plate 35, the first gear 37 is fixedly installed on the rotary rod 36 and on the right side of the extension plate 35, a grinding frame 38 is arranged on the rotating rod 36 and on the left side of the extending plate 35, and a driving frame 39 is arranged on the lower end surface of the horizontal plate 33 and close to the rear side.
After clamping frame 28 supports the clamping tightly to the internal diameter of a plurality of powder metallurgy bent axle sprocket that need process simultaneously, start cylinder 32, cylinder 32 promotes horizontal plate 33 downstream, play the stationary effect through spring beam 34 that sets up, prevent that the in-process of horizontal plate 33 downstream from taking place the displacement phenomenon, horizontal plate 33 makes and stretches out board 35 drive rotary rod 36 downstream, rotary rod 36 drives simultaneously and polishes frame 38 and drive frame 39 downstream, make and polish frame 38 contact the powder metallurgy bent axle sprocket that needs to process, after the contact, utilize the drive frame 39 that sets up to drive a gear 37 and rotate, a gear 37 makes rotary rod 36 drive and polishes frame 38 and polish fast between the tooth of powder metallurgy bent axle sprocket.
Referring to fig. 1, 3, 4 and 6, the sanding block 38 includes a fixed rod 381, a movable rod 382, a circular plate 383, a connecting rod 384, a sanding roller 385 and an annular sanding block 386, rotary rod 36 on and be located the left side of stretching out board 35 and seted up a circular recess No. one, circular recess No. two has been seted up at rotary rod 36's top, circular recess and a circular recess are linked together No. two, be provided with dead lever 381 in the circular recess No. two, the bottom of dead lever 381 is the helicitic texture, it is provided with carriage release lever 382 to slide in the circular recess No. one, circular through-hole has been seted up at the top of carriage release lever 382, the left side fixed mounting of carriage release lever 382 has circular board 383, there is grinding roller 385 on the left side of circular board 383 through connecting rod 384 fixed mounting, fixed mounting has annular grinding block 386 on the grinding roller 385, annular grinding block 386 is the discontinuous screw thread form, the distance of the pitch on the different annular grinding block 386 is different.
During the original state, the difference of the interval between tooth and the tooth on the powder metallurgy bent axle sprocket of processing as required, change suitable annular grinding block 386, place the carriage release lever 382 this moment in the circular recess, make circular through-hole and the circular recess of No. two on the carriage release lever 382 be linked together, pass No. two circular recesses and circular through-hole with dead lever 381 this moment again, and be connected through the bottom of screw thread and circular recess of No. two, after the connection when the horizontal plate 33 makes the extension board 35 drive the rotary rod 36 and move down, the rotary rod 36 drives annular grinding block 386 on the installed grinding roller 385 and the clearance fit that forms between tooth and the tooth on the powder metallurgy bent axle sprocket.
Arc grooves are uniformly formed in the surface of the annular polishing block 386, a cylindrical roller is mounted in each arc groove through a pin shaft, and the surface of each cylindrical roller is rough.
Through the cylinder roller with the rough surface installed in the arc-shaped groove, the annular polishing block 386 is uniformly polished during polishing, abrasion of the annular polishing block 386 is reduced, and the service life of the annular polishing block 386 is prolonged.
Referring to fig. 1 and 9, the driving rack 39 includes a protruding block 391, a motor 392, a second circular rod 393 and a second gear 394, the protruding blocks 391 are symmetrically and fixedly installed on the left and right sides of the lower end surface of the horizontal plate 33 near the rear side, the motor 392 is fixedly installed at one end of one protruding block 391, the second circular rod 393 is fixedly installed on an output shaft of the motor 392, one end of the second circular rod 393 is rotatably connected with the side wall of the other protruding block 391, the second gear 394 is uniformly and fixedly installed on the second circular rod 393 from left to right, and the second gear 394 is in meshing transmission with the first gear 37.
When the clearance fit that forms between tooth and the tooth on annular grinding block 386 on the grinding roller 385 and the powder metallurgy bent axle sprocket, start motor 392, motor 392 drives No. two circular pole 393 and rotates, No. two circular pole 393 drives a plurality of No. two gears 394 and rotates, a plurality of No. two gears 394 drive a gear 37 and rotate, a gear 37 makes rotary rod 36 drive the frame 38 of polishing and polish fast between the tooth and the tooth of powder metallurgy bent axle sprocket, and then work efficiency has been improved greatly.
Referring to fig. 1, 7 and 8, the rotating frame 29 includes a driving motor 291, a driving gear 292, a driven gear 293 and a chain 294, the driving motor 291 is fixedly installed at a position, close to the left side, of the rear end surface of the v-shaped plate 20, the driving gear 292 is fixedly installed at an output shaft of the driving motor 291, the driven gear 293 is fixedly sleeved on the first annular cylinder 22 and at the rear end of the Contraband-shaped plate 20, the driving gear 292 and the driven gear 293 are in meshing transmission, chain wheels are fixedly sleeved on the plurality of first annular cylinders 22 and at the front ends of the driven gear 293, and the chain wheels are in transmission connection through the chain 294.
When utilizing the drive yoke 39 that sets up to drive a gear 37 and rotate, a gear 37 makes rotary rod 36 drive the rack 38 of polishing to polish fast between the tooth of powder metallurgy bent axle sprocket and the tooth, start driving motor 291, driving motor 291 drives driving gear 292 and rotates, driving gear 292 makes driven gear 293 drive one of them annular section of thick bamboo 22 and rotates, under sprocket and chain 294's effect this moment, make a plurality of annular section of thick bamboo 22 drive a plurality of support tight powder metallurgy bent axle sprockets and rotate simultaneously, and then accomplish and polish.
The concrete during operation:
first, firstly, the powder metallurgy crankshaft sprocket that will carry out processing overlaps in batches and establishes No. two ring drums 23 on, make the one end of the powder metallurgy crankshaft sprocket that needs carry out processing and the front end of a ring drum 22 contact, after the contact, start electric telescopic handle 25, electric telescopic handle 25 promotes slurcam 26 forward motion, slurcam 26 promotes multiunit cylinder pole 27 and slides in a ring drum 22, cylinder pole 27 makes dwang 284 promote a plurality of connecting blocks 283 simultaneously and removes, at the spacing of slide opening this moment, connecting block 283 promotes movable plate 281 and slides in the slide opening, movable plate 281 promotes arc 282 and supports the internal diameter of the powder metallurgy crankshaft sprocket that needs carry out processing and presss from both sides tightly.
And in the second step, the air cylinder 32 is started at the moment, the air cylinder 32 pushes the horizontal plate 33 to move downwards, the horizontal plate 33 enables the extending plate 35 to drive the rotating rod 36 to move downwards, and the rotating rod 36 drives the annular polishing block 386 on the installed polishing roller 385 to be matched with a gap formed between teeth on a powder metallurgy crankshaft sprocket.
And thirdly, when the annular grinding block 386 is matched with a gap formed between teeth on the powder metallurgy crankshaft sprocket, starting the motor 392, driving the second round rod 393 to rotate by the motor 392, driving the second round rods 393 to rotate by the second round gears 394, driving the first round gears 37 by the second round gears 394, enabling the first round gears 37 to enable the rotary rods 36 to drive the annular grinding block 386 to grind the teeth of the powder metallurgy crankshaft sprocket fast, starting the driving motor 291 during grinding, driving the driving gear 292 by the driving motor 291 to rotate, enabling the driven gear 293 to drive one of the first round cylinders 22 to rotate by the driving gear 292, and enabling the first round cylinders 22 to drive the powder metallurgy crankshaft sprockets which are supported and clamped to rotate under the action of the sprocket and the chain 294 at the same time so as to finish grinding.
The fourth step, when utilizing grinding device 3 to carry out the rotatory polishing between the tooth on the powder metallurgy crankshaft sprocket that processes to needs and the tooth, utilize brush 202 that sets up on the firm board 201 can clean the piece between tooth and the tooth on the powder metallurgy crankshaft sprocket after polishing for in the piece after cleaning directly drops Contraband shaped plate 20 and the space that forms between the fixed stop 21, can not influence the polishing to powder metallurgy crankshaft sprocket, and then improved the effect of polishing greatly.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a powder metallurgy bent axle sprocket processing equipment, includes workstation (1), fixing device (2) and grinding device (3), its characterized in that: the top of the workbench (1) is provided with a fixing device (2), and the top of the workbench (1) and the position close to the rear side are also provided with a polishing device (3);
the fixing device (2) comprises an Contraband-shaped plate (20), a fixing baffle plate (21), a first annular cylinder (22), a second annular cylinder (23), a fixing plate (24), an electric telescopic rod (25), a pushing plate (26), a cylindrical rod (27), a clamping frame (28) and a rotating frame (29), wherein the position, close to the rear side, of the top of the workbench (1) is fixedly provided with a Contraband-shaped plate (20), a detachable fixing baffle plate (21) is installed on the front end face of the first annular plate (20), one end, parallel to the first annular cylinder (22), of the Contraband-shaped plate (20) and the fixing baffle plate (21) is uniformly and rotatably provided with the first annular cylinder (22) from left to right, the inner wall of the first annular cylinder (22) is of an internal spline structure, the front end face of the first annular cylinder (22) is fixedly provided with the second annular cylinder (23), and the fixing plate (24) is fixedly installed at the central position, close to the rear end, of the upper end face of the workbench (1), an electric telescopic rod (25) is fixedly installed on the front end face of the fixing plate (24), a push plate (26) is fixedly installed on the front end face of the electric telescopic rod (25), a cylindrical rod (27) is uniformly and rotatably arranged on the front end face of the push plate (26) from left to right, the cylindrical rod (27) corresponds to the first annular cylinder (22), the cylindrical rod (27) is of an external spline structure, the cylindrical rod (27) is slidably arranged in the first annular cylinder (22), a clamping frame (28) is arranged in the second annular cylinder (23), and a rotating frame (29) is arranged on the rear end face of the shaped plate (20);
the polishing device (3) comprises supporting rods (30), a structural plate (31), an air cylinder (32), a horizontal plate (33), a first spring rod (34), an extending plate (35), a rotating rod (36), a first gear (37), a polishing frame (38) and a driving frame (39), wherein four supporting rods (30) are fixedly installed at the position, close to the rear end, of the upper end face of the workbench (1), the four supporting rods (30) are arranged in a matrix mode, the structural plate (31) is fixedly installed at the tops of the four supporting rods (30) together, the air cylinder (32) is fixedly installed at the bottom of the structural plate (31), the horizontal plate (33) is fixedly installed at the moving end of the air cylinder (32), the horizontal plate (33) is fixedly connected with the structural plate (31) through the first spring rods (34), the extending plate (35) is fixedly installed at the bottom of the horizontal plate (33) from left to right, all rotate on stretching out board (35) and be provided with rotary rod (36), on rotary rod (36) and be located the equal fixed mounting in right side of stretching out board (35) have gear (37) No. one, on rotary rod (36) and be located the left side of stretching out board (35) and all be provided with frame (38) of polishing, the position that the lower terminal surface of horizontal plate (33) is close to the rear side is provided with drive frame (39).
2. The powder metallurgy crankshaft sprocket processing apparatus of claim 1, wherein: clamping frame (28) including movable plate (281), arc (282), connecting block (283) and dwang (284), No. two annular section of thick bamboo (23) on seted up the slide opening along circumference, the slide opening slides and is provided with movable plate (281), the equal fixed mounting in the outside that just is located No. two annular section of thick bamboo (23) has arc (282) on movable plate (281), the inboard that just is located No. two annular section of thick bamboo (23) on movable plate (281) all articulates through the round pin axle has connecting block (283), the other end of connecting block (283) articulates jointly through the round pin axle has dwang (284), the rear end face of dwang (284) and the preceding terminal surface fixed connection of cylindric pole (27).
3. The powder metallurgy crankshaft sprocket processing equipment of claim 1, wherein: rotating turret (29) include driving motor (291), driving gear (292), driven gear (293) and chain (294), Contraband shaped plate (20) the rear end face be close to left fixed position and install driving motor (291), the output shaft fixed mounting of driving motor (291) has driving gear (292), an annular section of thick bamboo (22) on and be located Contraband shaped plate (20) the rear end fixed sleeve be equipped with driven gear (293), meshing transmission between driving gear (292) and driven gear (293), a plurality of annular section of thick bamboo (22) on and be located the equal fixed cover in front end of driven gear (293) and be equipped with the sprocket, connect through chain (294) transmission between a plurality of sprockets.
4. The powder metallurgy crankshaft sprocket processing equipment of claim 1, wherein: the polishing frame (38) comprises a fixed rod (381), a moving rod (382), a circular plate (383), a connecting rod (384), a polishing roller (385) and an annular polishing block (386), wherein a circular groove is formed in the left side of the extending plate (35) on the rotating rod (36), a circular groove II is formed in the top of the rotating rod (36), the circular groove II is communicated with the circular groove I, the fixed rod (381) is arranged in the circular groove II, the bottom of the fixed rod (381) is of a threaded structure, the moving rod (382) is arranged in the circular groove I in a sliding mode, a circular through hole is formed in the top of the moving rod (382), the circular plate (383) is fixedly installed on the left side of the moving rod (382), the polishing roller (385) is fixedly installed on the left side of the circular plate (383) through the connecting rod (384), the annular polishing block (386) is fixedly installed on the polishing roller (385), the annular polishing block (386) is in an interrupted thread shape.
5. The powder metallurgy crankshaft sprocket processing apparatus of claim 1, wherein: the driving frame (39) comprises extension blocks (391), motors (392), a second round rod (393) and a second gear (394), the left side and the right side of the position, close to the rear side, of the lower end face of the horizontal plate (33) are symmetrically and fixedly provided with the extension blocks (391), one end of one of the extension blocks (391) is fixedly provided with the motor (392), an output shaft of the motor (392) is fixedly provided with the second round rod (393), one end of the second round rod (393) is rotatably connected with the side wall of the other extension block (391), the second round rod (393) is uniformly and fixedly provided with the second gear (394) from left to right, and the second gear (394) and the first gear (37) are in meshing transmission.
6. The powder metallurgy crankshaft sprocket processing apparatus of claim 1, wherein: contraband the horizontal segment up end of shaped plate (20) from left to right evenly seted up the spacing groove, the spacing groove all is located the right side of No. two annular cylinders (23), it is provided with steadying board (201) to slide in the spacing groove, the equal fixed mounting in position that the left side of steadying board (201) is close to the front end has brush (202), the horizontal segment up end of Contraband shaped plate (20) just is located the left side rotation of spacing groove and is provided with circular rod (203) No. one, fixed mounting has limiting plate (204) on circular rod (203).
7. The powder metallurgy crankshaft sprocket processing equipment of claim 4, wherein: arc grooves are uniformly formed in the surface of the annular polishing block (386), cylindrical rollers are mounted in the arc grooves through pin shafts, and the surfaces of the cylindrical rollers are rough.
8. The powder metallurgy crankshaft sprocket processing equipment of claim 2, wherein: the outer side wall of the arc-shaped plate (282) is fixedly provided with a rubber non-slip pad (285).
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| CN114603415B (en) | 2023-12-08 |
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