CN108481115B - Grinding machine - Google Patents
Grinding machine Download PDFInfo
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- CN108481115B CN108481115B CN201810578758.1A CN201810578758A CN108481115B CN 108481115 B CN108481115 B CN 108481115B CN 201810578758 A CN201810578758 A CN 201810578758A CN 108481115 B CN108481115 B CN 108481115B
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- Prior art keywords
- belt pulley
- feeding
- shaft
- wheel
- driving
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- 239000000463 material Substances 0.000 claims abstract description 120
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 38
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000007514 turning Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/09—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding trochoidal surfaces, e.g. in rotor housings of Wankel engines
-
- 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
-
- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- 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
- B24B41/02—Frames; Beds; Carriages
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
A grinding machine comprises a frame, wherein a bracket is arranged on the frame, a lifting device is arranged on the bracket, and a grinding wheel fastening device is arranged on the lifting device; a feeding device is arranged above the bracket, a feeding substrate is arranged on the feeding device, and an automatic feeding device is arranged on the feeding substrate; the automatic chamfering and chamfering machine is characterized in that a driving motor is arranged on the frame and simultaneously provides power for the grinding wheel fastening device and the automatic feeding device, after the shaft parts pass through the feeding device, the shaft parts enter the material clamping and conveying device, the material clamping and conveying device enables the shaft parts to rotate to contact the grinding wheel fastening device rotating at a high speed, the feeding amount is adjusted through the feeding device and the lifting device, chamfering or conical surface grinding can be carried out on the shaft parts according to requirements, and the structure can be used for continuously machining the shaft parts in batches, so that the production efficiency can be greatly improved.
Description
Technical Field
The invention relates to the field of machining equipment, in particular to a grinding machine.
Background
Grinding machines are machines that grind a workpiece with a grinding tool, and most grinding machines grind a workpiece with a grinding wheel that rotates at a high speed. The grinding machines can be mainly divided into surface grinding machines, internal and external circular grinding machines and the like according to types, wherein the surface grinding machines are grinding machines for grinding the surface of a workpiece; internal and external circular grinding machines are grinding machines for grinding cylindrical and conical internal and external surfaces. For workpieces, the application of shaft parts is very wide in production and life, such as a rotating shaft, a drill bit and the like, and in order to facilitate assembly and use, the two ends of the shaft parts are often subjected to chamfering treatment, and the existing chamfering technology is to clamp the shaft parts on a lathe and chamfer the shaft parts by turning with a turning tool; the end face of the shaft part needs to be processed into a cone shape, the existing processing technology also adopts turning, and the turning can meet the processing requirement, but the turning can only process one end of one shaft part at one time of clamping, and the efficiency is low.
Disclosure of Invention
In order to solve the problems in the prior art and improve the production efficiency, the invention provides a grinding machine special for chamfering or grinding a conical surface.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the grinding machine comprises a frame, wherein a bracket is arranged on the frame, a lifting device is arranged on the bracket, and a grinding wheel fastening device is arranged on the lifting device; a feeding device is arranged above the bracket, a feeding substrate is arranged on the feeding device, and an automatic feeding device is arranged on the feeding substrate; the motor support is arranged at one end of the frame, which is close to the middle belt pulley group, and is provided with a driving device which is connected with the grinding wheel through a first belt in a fastening way; the driving device simultaneously provides power for the grinding wheel fastening device and the automatic feeding device, and the lifting device and the feeding device can adjust the positions of the grinding wheel fastening device and the automatic feeding device so as to control the feed amount and the grinding angle.
The lifting device comprises a sliding rail, a sliding block, a servo motor support, a servo motor, a lifting screw rod and a lifting nut, wherein the sliding rail is vertically arranged on the support, the sliding block is slidingly arranged on the sliding rail, the lifting nut is arranged at the bottom end of the sliding block, the servo motor support is arranged on the support, the servo motor support is positioned at the bottom end of the sliding rail, the servo motor is arranged on the servo motor support, one end of the lifting screw rod with threads is matched with the lifting nut, and the other end of the lifting screw rod is connected with an output shaft of the servo motor; the screw rod nut mechanism is driven by the servo motor, so that the movement of the grinding wheel fastening device can be accurately controlled, and automatic control can be realized.
The grinding wheel fastening device comprises a rotating shaft and a grinding wheel, wherein the rotating shaft is arranged on a sliding block, a bearing is arranged on the rotating shaft, a bearing sleeve sleeved outside the rotating shaft is arranged on the bearing, a third belt pulley is arranged at one end of the bearing sleeve, a flange seat is sleeved on the bearing sleeve, the flange seat comprises a flange seat body and an extension sleeve connected with one end of the flange seat body, a flange plate is sleeved on the extension sleeve, a half dovetail groove is arranged on one side, close to the flange plate, of the flange seat body, a half dovetail groove is arranged on one side, close to the flange seat body, of the flange seat, the half dovetail groove on the flange seat and the half dovetail groove on the flange plate form a dovetail groove, a central hole is formed in the grinding wheel, the grinding wheel is sleeved outside the flange seat and the flange plate, the grinding wheel is arranged in the central hole and is provided with a grinding wheel matched with the dovetail groove, the flange seat is provided with more than two through holes uniformly distributed along the circumference, the flange plate is provided with more than two through holes uniformly distributed along the circumference, a fastening piece is arranged between the corresponding through holes of the flange seat and the flange plate, the first compression nut is arranged on the bearing sleeve, the first compression nut is arranged on the outer side of the flange seat, and the compression nut is arranged on the second compression nut is arranged on the outer side, close to the flange plate and extends; the grinding wheel is internally provided with a grinding wheel dovetail, the flange seat body and the flange plate are both provided with half dovetail grooves, the half dovetail grooves on the flange seat and the half dovetail grooves on the flange plate form dovetail grooves, the grinding wheel dovetail grooves are matched with the dovetail grooves, when the flange plate is fastened, the pressure of the flange plate for pressing the grinding wheel can be decomposed into axial pressure and radial pressure pointing to a rotation center, the axial pressure can axially press the grinding wheel, the mode of installing the grinding wheel in the prior art is equivalent, the radial pressure pointing to the rotation center can offset the centrifugal force generated when a part of the grinding wheel rotates, the risk of cracking when the grinding wheel runs at a high speed is reduced, and even if the grinding wheel cracks, cracked grinding wheel blocks can be clamped by the dovetail grooves to prevent the grinding wheel blocks from being thrown out, so that the safety is enhanced.
The feeding device comprises an I-shaped chute which is arranged on the bracket and is provided with an outer chute and an inner chute, an L-shaped sliding block is arranged in the outer chute, and a through hole is arranged on the L-shaped sliding block; a square sliding block is arranged in the inner sliding groove, a screw is arranged on the square sliding block, a waist-shaped groove is transversely arranged on the vertical wall of the I-shaped sliding groove, and a fastening nut is arranged on the screw after the screw passes through the waist-shaped groove and the L-shaped sliding block; a feed nut is further arranged on the square sliding block, a base column is arranged at the end face of the I-shaped sliding groove on the support, a U-shaped groove is formed in the upper end of the base column, a feed screw is arranged between the base column and the feed nut, a thread is arranged at one end of the feed screw, a groove is formed in the middle of the feed screw, the groove is clamped into the U-shaped groove, one end of the feed screw with the thread is matched with the feed nut, and an adjusting handle is arranged at the other end of the feed screw; the automatic feeding device is characterized in that the adjusting handle is rotated, the position of the automatic feeding device is accurately adjusted through the screw nut mechanism, the L-shaped sliding block and the square sliding block can slide along the I-shaped sliding groove, and the automatic feeding device is simple in structure and reliable in operation.
The automatic feeding device comprises a feeding substrate, the feeding substrate is arranged on an L-shaped sliding block, a feeding driving device, a material clamping and conveying device, a feeding device and a blanking groove are sequentially arranged on the feeding substrate, the feeding driving device acts with the material clamping and conveying device, the feeding driving device acts with the feeding device, and the blanking groove is arranged on the feeding substrate or the material clamping and conveying device. The feeding driving device provides power for the material clamping device and the feeding device, the shaft parts enter the material clamping device after being arranged by the feeding device, at the moment, the shaft parts can be processed, and the processed shaft parts fall down through the blanking groove. The device comprises the material taking, arrangement and clamping of the shaft parts, and is simple in structure and high in practicability.
Furthermore, bearing end covers are arranged at two ends of the bearing sleeve; a gap is formed between the flange seat body and the flange plate; the fastener is a bolt and a nut matched with the bolt; the upper half dovetail groove inclined surface of the flange seat is provided with a groove near the center of the flange seat, and the upper half dovetail groove inclined surface of the flange plate is provided with a groove near the center of the flange plate. The bearing end cover can prevent the bearing from falling off from the shaft sleeve, can isolate the damage of external substances to the bearing, and prolongs the service life of the bearing; the gap formed between the flange seat body and the flange plate provides space for the fastening grinding wheel of the fastening piece, and the fastening piece can conveniently pass through the flange seat body and the flange plate; bolts and nuts are selected as fasteners, so that the fixing is reliable, and the cost is low; the function of setting up the recess is kept away the position, and the forked tail of emery wheel probably forms the overlap when processing, and the recess can keep away empty overlap, improves flange pedestal and ring flange reliability and the stability to the emery wheel clamping.
Further, the feeding driving device comprises a first driving support, a second driving support and a third driving support, a driving shaft is arranged between the first driving support and the second driving support, a sixth belt pulley is arranged at one end of the driving shaft, and a worm is arranged at the other end of the driving shaft; a driven shaft is arranged between the second driving support and the third driving support, a driving gear is arranged at one end of the driven shaft, a seventh belt pulley is arranged at the other end of the driven shaft, a worm wheel is further arranged on the driven shaft and located in the second driving support, and the worm wheel is matched with the worm. The sixth belt pulley is a driving wheel of the feeding driving device and provides power for the driving shaft, the driving shaft drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel rotates to drive the driven shaft to rotate, the driven shaft rotates to drive the seventh belt pulley and the driving gear to rotate, and worm and gear transmission is selected to enable the seventh belt pulley and the driving gear to rotate in the same direction.
Further, the material clamping and conveying device comprises a base, a fixed shaft, a bearing sleeve, a bearing, a rotating shaft, a driven gear, a clamping wheel, a clamping piece and a discharging block, wherein the base is arranged on a feeding substrate, the fixed shaft is arranged on the base, the bearing sleeve is connected with the fixed shaft, the bearing is arranged in the bearing sleeve, the rotating shaft is connected with the bearing, the clamping wheel is arranged on the rotating shaft, the driven gear is meshed with the driving gear, the clamping piece is arranged on the feeding substrate and is arranged outside the outer circumference of the clamping wheel, and the discharging block is arranged on the clamping piece. The unloading block unloads the shaft parts conveyed by the feeding device, the elastic layers or the clamping wheels and the clamping sheets are arranged on the surfaces of the clamping wheels and the clamping sheets, which correspond to each other, are made of elastic materials, the shaft parts unloaded by the unloading block are clamped by the clamping wheels and the clamping sheets and are uniformly arranged between the clamping wheels and the clamping sheets, and the clamping wheels are fixed due to the fact that the clamping wheels rotate, so that the clamping wheels can drive the shaft parts to rotate and advance.
Further, the feeding device comprises a supporting plate, a mounting plate, a feeding rotating shaft, a cam, an eighth belt pulley and a material taking wheel, wherein the supporting plate is arranged on the feeding substrate, the mounting plate is arranged on the supporting plate, the feeding rotating shaft is arranged on the mounting plate, the cam is arranged on the feeding rotating shaft, the eighth belt pulley is arranged at one end of the feeding rotating shaft, and the material taking wheel is arranged at the other end of the feeding rotating shaft; a charging basket bottom plate is also arranged on the mounting plate, a charging basket is arranged on the charging basket bottom plate, an outlet of the charging basket faces the material taking wheel, a material shifting device is arranged on the charging basket bottom plate, a limiting device is arranged on the outer side, close to the material taking wheel, of the feeding substrate, and a material pressing device is arranged on the mounting plate; a fourth belt is disposed between the seventh pulley and the eighth pulley. The outlet of the charging basket is opposite to the material taking wheel, the shaft parts coming out from the outlet of the charging basket can be taken away by the material taking wheel in time, the material pulling device changes the stress magnitude and the stress direction of the shaft parts at the outlet by pulling the shaft parts piled together, overcomes the magnetic force or the adhesive force between the shaft parts, and ensures that the shaft parts can reliably fall down and be taken away by the material taking wheel smoothly; the limiting device can be aligned with the end face of the shaft part on the material taking wheel, so that the consistency of processing is ensured; the pressing device presses the shaft parts on the material taking wheel to prevent movement and ensure the machining precision; the seventh belt pulley drives the eighth belt pulley to rotate through the fourth belt.
Further, the outer circumference of the material taking wheel is provided with more than one axial poking groove; the outer circumference of the material taking wheel is also provided with a groove which winds around the outer circumference; a driving rod is arranged on the outer side surface of the material taking wheel; the material stirring device comprises a material stirring support, a material stirring support rod, a swing arm, a material stirring rod, a connecting rod and a swing rod, wherein the material stirring support is arranged on a material basket bottom plate, the material stirring support rod is arranged on the material stirring support, the swing arm is arranged on the material stirring support rod, the upper end of the material stirring rod is arranged on the swing arm, the lower end of the material stirring rod is arranged outside the outer circumference of the material taking wheel, the connecting rod is arranged on the swing arm, the upper end of the swing rod is arranged on the connecting rod, and the lower end of the swing rod is matched with the cam. The poking groove can reliably accommodate shaft parts and prevent the shaft parts from irregularly moving; the grooves are arranged to facilitate the dismounting of the shaft parts from the material taking disc; the driving rod can provide driving force for the limiting device; when the cam rotates, the swing arm can be driven to swing through the swing rod, and the swing arm swings to drive the material stirring rod to swing so as to stir the stacked shaft parts.
Further, the material pressing device comprises a material pressing supporting rod, a material pressing cross beam and a material pressing sheet, wherein the material pressing supporting rod is arranged on the mounting plate, the material pressing cross beam is arranged on the material pressing supporting rod, the upper end of the material pressing sheet is arranged on the material pressing cross beam, and the lower end of the material pressing sheet is arranged outside the outer circumference of the material taking wheel. When the shaft parts are conveyed by the material taking wheel, the material pressing sheet presses the shaft parts on the material taking wheel, movement is prevented, and machining precision is guaranteed.
Further, the limiting device comprises a limiting support, a limiting support rod, a limiting shaft, a bearing sleeve and a limiting disc, wherein the limiting support is arranged on the feeding substrate, the limiting support rod is arranged on the limiting support, the limiting shaft is arranged on the limiting support rod, the limiting shaft is connected with the inner ring of the bearing, the bearing sleeve is arranged on the outer ring of the bearing, the limiting disc is connected with the bearing sleeve, a positioning hole is formed in the limiting disc, and the driving rod is inserted into the positioning hole of the limiting disc; a first tensioning wheel frame is arranged at one end, close to the belt pulley, of the feeding rotating shaft, and a first tensioning wheel for tensioning a fourth belt is arranged on the first tensioning wheel frame. Above setting, the rotation of the rotatory axle type part on the material taking wheel of more effective alignment of rotatory ability of spacing dish of actuating lever drive spacing dish.
Further, the middle belt pulley group comprises a middle shaft, a fourth belt pulley and a fifth belt pulley, the middle shaft penetrates through the support, the fourth belt pulley is arranged on the middle shaft and located on one side in the support, the fifth belt pulley is arranged on the middle shaft and located on one side outside the support, the third belt is arranged between the fifth belt pulley and the sixth belt pulley, a second tensioning wheel frame is further arranged on the middle shaft, and a second tensioning wheel for tensioning the third belt is arranged on the second tensioning wheel frame. The middle belt pulley group is a speed reducing wheel group, and the second belt pulley with small diameter drives the fourth belt pulley with large diameter, so as to realize the purpose of reducing the rotating speed.
Further, the driving device comprises a driving motor, a first belt pulley and a second belt pulley, the driving motor is arranged on the motor support, the first belt pulley and the second belt pulley are arranged on an output shaft of the driving motor, the first belt pulley is arranged on the inner side of the output shaft of the driving motor, the second belt pulley is arranged on the outer side of the output shaft of the driving motor, the first belt is arranged between the first belt pulley and the third belt pulley, and the second belt is arranged between the second belt pulley and the fourth belt pulley. The tightness of the first belt and the tightness of the second belt can be adjusted through the motor support, the first belt pulley and the second belt pulley are arranged on the output shaft of the driving motor in parallel, and the grinding wheel fastening device and the automatic feeding device can be driven simultaneously through one driving motor.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
Fig. 3 is a schematic structural diagram of a lifting device in the present invention.
Fig. 4 is a front view of the grinding wheel fastening apparatus of the present invention.
Fig. 5 is a cross-sectional view taken along the A-A plane in fig. 4.
Fig. 6 is a cross-sectional view of the flange mount and the flange plate.
Fig. 7 is a force-bearing exploded view of the grinding wheel.
Fig. 8 is a schematic structural view of a feeding device in the present invention.
Fig. 9 is a schematic structural view of an automatic feeding device in the present invention.
Fig. 10 is an exploded view of a part of the structure of the automatic feeding device in the present invention.
Fig. 11 is an enlarged view at B in fig. 10.
Fig. 12 is a schematic structural view of a feeding device in the present invention.
Fig. 13 is an exploded view of a feed device in accordance with the present invention.
Fig. 14 is an enlarged view of the take-off wheel of the present invention.
Fig. 15 is an enlarged view of fig. 12 at C.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 2: the grinding machine comprises a frame 1, wherein a group of brackets 2 are respectively arranged on the front side and the rear side of the frame 1, each group of brackets 2 comprises two supporting plates which are vertically arranged, a group of lifting devices 3 are respectively arranged between the two supporting plates of each group of brackets 2, each lifting device 3 comprises a sliding rail 31, a sliding block 32, a servo motor bracket 33, a servo motor 34, a lifting screw 35 and a lifting nut (not shown), the sliding rail 31 is vertically arranged on the brackets 2, namely, the sliding rails 31 are respectively arranged on the two supporting plates of each group of brackets, the sliding block 32 is slidingly arranged on the sliding rail 31, the lifting nut is fixed at the bottom end of the sliding block 32, the servo motor bracket 33 is arranged on the brackets 2, the servo motor bracket 33 is positioned at the bottom end of the sliding rail 31, the servo motor 34 is arranged on the servo motor bracket 33, one threaded end of the lifting screw 35 is matched with the lifting nut, the other end of the lifting screw 35 is connected with the output shaft of the servo motor 34, and the lifting screw 35 is arranged on the servo motor bracket 33 through a bearing and a bearing seat; the discharging side of the grinding machine is the front side, the feeding side of the grinding machine is the rear side, and the working principle of the lifting device is as follows: the servo motor works, the servo motor 34 drives the lifting screw rod 35 to rotate, and the rotation of the lifting screw rod 35 drives the lifting screw to linearly move, so that the sliding block 32 is driven to slide on the sliding rail 31, the screw rod nut mechanism is driven by the servo motor, the movement of the grinding wheel fastening device can be accurately controlled, and automatic control can be realized.
Between the two sets of lifting devices 3, there is provided a grinding wheel fastening device 4, as shown in fig. 4 to 7, the grinding wheel fastening device 4 includes a rotating shaft 41 and a grinding wheel 42, two bearings 43 are provided on the rotating shaft 41, a bearing sleeve 44 is provided on the bearings 43 and sleeved outside the rotating shaft 41, and bearing end caps 48 are provided on both ends of the bearing sleeve 44 and sleeved on the rotating shaft 41.
A third belt pulley 45 is arranged at one end of the bearing sleeve 44, a key groove is arranged between the bearing sleeve 44 and the third belt pulley 45, a key is arranged in the key groove, a flange seat 46 is sleeved on the bearing sleeve 44, the flange seat 46 comprises a flange seat body 461 and an extension sleeve 462 connected with one end of the flange seat body 461, a flange plate 47 is sleeved on the extension sleeve 462, a gap 49 is formed between the flange seat body 461 and the flange plate 47, a half dovetail groove 463 is arranged on one side, close to the flange plate 47, of the flange seat 46, the half dovetail groove is divided into two symmetrical halves along the length direction, a half dovetail groove 473 is arranged on one side, close to the flange seat body 461, of the flange plate 47, and the half dovetail groove 463 on the flange seat 46 and the half dovetail groove 473 on the flange plate 47 form a dovetail groove; the grinding wheel 42 is provided with a central hole, the grinding wheel 42 is sleeved outside the flange seat 46 and the flange plate 47, and the grinding wheel 42 is provided with a grinding wheel dovetail 421 matched with the dovetail groove in the central hole. The grinding wheel dovetail 421 is matched with the dovetail groove, eight through holes 465 uniformly distributed along the circumference are formed in the flange seat 46, eight through holes 475 uniformly distributed along the circumference are formed in the flange plate 47, and bolts (not shown) and nuts (not shown) are arranged between the corresponding through holes of the flange seat 46 and the flange plate 47. The nut and the bolt can exert fastening force on the flange.
When the bolts and nuts fasten the flange 47, the pressure F of the flange 47 pressing the grinding wheel 42 can be decomposed into an axial pressure F1 and a radial pressure F2 pointing to the rotation center, the axial pressure F1 can enable the flange 7 to press the grinding wheel 42 from the axial direction, which is equivalent to the mode of installing the grinding wheel in the prior art, the radial pressure F2 pointing to the rotation center can offset a part of centrifugal force generated when the grinding wheel 42 rotates, the risk of cracking when the grinding wheel 42 rotates at a high speed is reduced, and even if the grinding wheel 42 cracks, cracked grinding wheel blocks can be clamped by dovetail grooves to prevent from being thrown out, so that the safety is enhanced.
A groove 464 is provided on the upper half dovetail groove 463 of the flange seat 46 at a position close to the center of the flange seat 46, and a groove 474 is provided on the upper half dovetail groove 473 of the flange 47 at a position close to the center of the flange 47. The grinding wheel 42 needs to be die-cast by using a die during production, flash may be formed during die-casting, and the recess 464 and the recess 474 can avoid the flash, so that the reliability and stability of clamping the grinding wheel 42 by the flange seat 46 and the flange plate 47 are improved.
A first compression nut 410 for compressing the flange seat body 461 is provided on the bearing housing 44 on the outer side of the flange seat 46, and two second compression nuts 411 for compressing the extension sleeve 462 are provided on the bearing housing 44 on the outer side of the flange plate 47. The second compression nut 411 compresses the flange seat 46 to the first compression nut 410 by compressing the extension sleeve 462, and the second compression nut 411 is provided for the purpose of preventing the first second compression nut 411 from loosening, thereby improving safety.
A group of feeding devices 5 are respectively arranged above each group of brackets, as shown in fig. 8, each feeding device 5 comprises an I-shaped chute 51, the I-shaped chute 51 is arranged on each bracket 2, each I-shaped chute 51 is provided with an outer chute and an inner chute, an L-shaped sliding block 52 is arranged in each outer chute, and a through hole is formed in each L-shaped sliding block 52; a square sliding block 53 is arranged in the inner sliding groove, a screw 531 is arranged on the square sliding block 53, a waist-shaped groove 54 is transversely arranged on the vertical wall of the I-shaped sliding groove 51, and a fastening nut 55 is arranged on the screw 531 after the screw 531 passes through the waist-shaped groove 54 and the L-shaped sliding block 52; a feed nut 56 is further arranged on the square sliding block 53, a base column 57 is arranged on the support 2 at the end face of the I-shaped sliding groove 51, a U-shaped groove is formed in the upper end of the base column 57, a feed screw 58 is arranged between the base column 57 and the feed nut 56, one end of the feed screw 58 is provided with threads, the middle part of the feed screw 58 is provided with a groove, the groove is clamped into the U-shaped groove, one end of the feed screw 58 with the threads is matched with the feed nut 56, and the other end of the feed screw 58 is provided with an adjusting handle 59; the position of the automatic feeding device can be accurately adjusted through the screw nut mechanism by rotating the adjusting handle 59, the L-shaped sliding block 52 and the square sliding block 53 can slide along the I-shaped sliding groove 51, and the automatic feeding device is simple in structure and reliable in operation.
As shown in fig. 1, 2, and 9 to 15, a feeding substrate 6 is provided between two L-shaped sliders 52, an automatic feeding device 7 is provided on the feeding substrate 6, the automatic feeding device 7 includes a feeding driving device 72, a material gripping device 73, a feeding device 74, and a blanking groove 75, the blanking groove 75 is provided on the feeding substrate 6, and the blanking groove 75 may be provided on a holding piece 738.
The feeding driving device 72 includes a first driving bracket 721, a second driving bracket 722 and a third driving bracket 723, a driving shaft 724 is disposed between the first driving bracket 721 and the second driving bracket 722, one end of the driving shaft 724 is provided with a sixth belt pulley 725, and the other end of the driving shaft 724 is provided with a worm (not shown); a driven shaft 726 is arranged between the second driving bracket 722 and the third driving bracket 723, a driving gear 727 is arranged at one end of the driven shaft 726, a seventh belt pulley 728 is arranged at the other end of the driven shaft 726, a worm wheel (not shown) is further arranged on the driven shaft 726 and positioned in the second driving bracket 722, and the worm wheel is matched with the worm.
The material gripping device 73 includes a base 731, a fixed shaft 732, a bearing housing 733, a bearing 734, a rotation shaft 735, a driven gear 736, a gripping wheel 737, a gripping piece 738, and a discharging piece 739, the base 731 is provided on the feeding substrate 71, the fixed shaft 732 is provided on the base 731, the bearing housing 733 is connected to the fixed shaft 732, the bearing 734 is provided in the bearing housing 733, the rotation shaft 735 is connected to the bearing 734, the gripping wheel 737 is provided on the rotation shaft 735, the driven gear 736 is engaged with the driving gear 727, the gripping piece 738 is mounted on the feeding substrate 6 and provided outside the outer circumference of the gripping wheel 737, and the discharging piece 739 is provided on the gripping piece 738.
The feeding device 74 comprises a supporting plate 741, a mounting plate 742, a feeding rotating shaft 743, a cam 744, an eighth belt pulley 745 and a material taking wheel 746, wherein the mounting plate 742 is arranged on the supporting plate 6, the feeding rotating shaft 743 is arranged on the mounting plate 742, the cam 744 is arranged on the feeding rotating shaft 743, the belt pulley 745 is arranged at one end of the feeding rotating shaft 743, and the material taking wheel 746 is arranged at the other end of the feeding rotating shaft 743.
The outer circumference of the material taking wheel 746 is provided with a plurality of axial poking grooves 7461 which are uniformly distributed along the circumference; two grooves 7462 are also provided on the outer circumference of the take-off wheel 746, one revolution around the outer circumference; a drive rod 747 is provided on the outer side of take-off wheel 746.
A basket bottom plate 748 is further provided on the mounting plate 742, a basket 749 is provided on the basket bottom plate 748, a height difference is provided at the bottom of the basket 749, a side close to the take-off wheel 746 is lower, the lower side is an outlet side, the outlet side faces the take-off wheel 746, and shaft parts falling from the outlet side can fall into the axial shifting grooves 7461.
The material basket bottom plate 748 is provided with a material stirring device, the material stirring device comprises a material stirring support 74101, a material stirring support 74102, a swing arm 74103, a material stirring rod 74104, a connecting rod 74105 and a swing rod 74106, the material stirring support 74101 is arranged on the material basket bottom plate 748, the material stirring support 74102 is arranged on the material stirring support 74101, the swing arm 74103 is arranged on the material stirring support 74102, the upper end of the material stirring rod 741104 is arranged on the swing arm 7103, the lower end of the material stirring rod 7414 is arranged outside the outer circumference of the material taking wheel 746, the connecting rod 74105 is arranged on the swing arm 74103, the upper end of the swing rod 7416 is arranged on the connecting rod 74105, and the lower end of the swing rod 7416 is matched with the cam 744.
The position near the outside of the material taking wheel 746 is provided with a limiting device, the limiting device comprises a limiting bracket 741111, a limiting supporting rod 74112, a limiting shaft 74113, a bearing 74114, a bearing sleeve 74115 and a limiting disc 74116, the limiting bracket 741111 is arranged on the mounting plate 742, the limiting supporting rod 74112 is arranged on the limiting bracket 741111, the limiting shaft 74113 is arranged on the limiting supporting rod 74112, the limiting shaft 74113 is connected with the inner ring of the bearing 74114, the bearing sleeve 74115 is arranged on the outer ring of the bearing 74114, the limiting disc 7415 is connected with the bearing sleeve 74115, the limiting disc 7415 is provided with a positioning hole 741160, and the driving rod 747 is inserted into the positioning hole 741160 of the limiting disc 7416.
A pressing device is provided on the mounting plate 742. The pressing device comprises a pressing support rod 74121, a pressing cross beam 74122 and a pressing sheet 74123, wherein the pressing support rod is arranged on the mounting plate 742, the pressing cross beam 74122 is arranged on the pressing support rod 74121, the upper end of the pressing sheet 74123 is arranged on the pressing cross beam 74122, and the lower end of the pressing sheet 74123 is arranged outside the outer circumference of the material taking wheel 746.
A fourth belt 76 is provided between the seventh pulley 728 and the eighth pulley 745.
A tensioning wheel frame 7413 is provided on the feeding shaft 743 near one end of the eighth belt 745, and a tensioning wheel 7414 for tensioning the fourth belt 76 is provided on the tensioning wheel frame 7413.
The middle belt pulley group 8 is further arranged on the support, the middle belt pulley group 8 comprises a middle shaft 81, a fourth belt pulley 82 and a fifth belt pulley 83, the middle shaft 81 penetrates through the support 2, the fourth belt pulley 82 is arranged on the middle shaft 81 and located on the inner side of the support 2, and the fifth belt pulley 83 is arranged on the middle shaft 81 and located on the outer side of the support 2. A third belt 9 is provided between the fifth pulley 83 and the sixth pulley 725, a second tension pulley frame 84 is further provided on the intermediate shaft 81, and a second tension pulley 85 for tensioning the third belt 9 is provided on the second tension pulley frame 84.
The motor support 10 is arranged at one end, close to the middle belt pulley group, of the frame 2, the driving motor 11, the first belt pulley 12 and the second belt pulley 13 are arranged on the motor support 10, the first belt pulley 12 and the second belt pulley 13 are arranged on an output shaft of the driving motor 11, the first belt pulley 12 is arranged on the inner side of the output shaft of the driving motor 11, the second belt pulley 13 is arranged on the outer side of the output shaft of the driving motor 11, the first belt 14 is arranged between the first belt pulley 12 and the third belt pulley 45, the second belt 15 is arranged between the second belt pulley 13 and the fourth belt pulley 82, the diameter of the second belt pulley 13 is smaller, the diameter of the fourth belt pulley 82 is larger, and the second belt pulley 13 with smaller diameter drives the fourth belt pulley 82 with larger diameter to rotate through the second belt 15 so as to realize the function of speed reduction.
The tightness of the first belt 14 and the second belt 15 can be adjusted by the motor bracket 10, the first belt pulley 12 and the second belt pulley 13 are arranged on the output shaft of the driving motor 11 in parallel, and the purpose of simultaneously driving the grinding wheel fastening device 4 and the automatic feeding device 7 by one driving motor can be achieved.
When the belt sander is used, the driving motor 11 is started, the driving motor 11 drives the first belt pulley 12 and the second belt pulley 13 to rotate, the first belt pulley 12 drives the third belt pulley 45 to rotate through the first belt 14, and the third belt pulley 45 drives the grinding wheel 42 to rotate at a high speed; the second belt pulley 13 drives the fourth belt pulley 82 to rotate through the second belt 15, the rotation of the fourth belt pulley 82 drives the fifth belt pulley 83 to rotate, the fifth belt pulley 83 drives the sixth belt pulley 725 to rotate through the third belt 9, the sixth belt pulley 725 drives the driving shaft 724 to rotate, the worm on the driving shaft 724 drives the driven shaft 726 to rotate through the worm wheel, the rotation of the driven shaft 726 drives the seventh belt pulley 728 and the driving gear 727 to rotate, the driving gear 727 drives the driven gear 736 to rotate, and the rotation of the driven gear 736 provides power for the material clamping device 73; the seventh pulley 728 drives the eighth pulley 745 through the fourth belt 76 and the eighth pulley 745 powers the feeder 74 to rotate the take-off wheel 746.
The method comprises the steps that a plurality of shaft parts are placed into a charging basket 749, because one side of the charging basket 749, which is close to a material taking wheel 746, is lower, the shaft parts at the bottom fall into a stirring groove 7461 of the material taking wheel 746 under the action of gravity of the charging basket 749 and the pressure of the shaft parts at the upper part, the continuous rotation of a belt pulley 745 drives the material taking wheel 746 to continuously rotate, the shaft parts in the charging basket 749 are brought into the stirring groove 7461 by the material taking wheel 746, the shaft parts in the stirring groove 7461 are pressed by a material pressing sheet 74123 in the conveying process, meanwhile, in the conveying process, the end surfaces of the shaft parts are blocked by a limiting disc 7416, the rotation of the limiting disc 7416 enables the end surfaces of the shaft parts to be flush, the shaft parts are kept at the same position in the conveying and the subsequent processing, the processing precision is guaranteed, and as a cam 744 is arranged on a material feeding rotating shaft 743, the lower end of the swinging rod 741106 is matched with the cam 744, the cam 74106 can be intermittently driven in the rotating process, the swinging rod 74106 is enabled to swing 74103 through a connecting rod 74105, the swinging of the swinging arm 74103 can drive small amplitude of the stirring rod 741104, and thus the small amplitude of the shaft parts can not be easily absorbed by the stirring rod or the shaft parts to be well overcome by the magnetic force of the stirring rod or the magnetic force of the stirring rod 7414, and the rust-like parts can be prevented from entering the shaft parts or the rust-proof part to the rust-proof part, and the rust-proof part is not being located on the shaft part, and the rust-proof part is not to the shaft part is caused by the magnetic force and the vibration part is the vibration-like the vibration-resistant part. The shaft part entering the shifting groove 7461 is unloaded from the material taking wheel 746 by the unloading block 739 when being conveyed to the material unloading block 739 under the continuous rotation of the material taking wheel 746, the unloaded shaft part enters between the clamping wheel 737 and the clamping piece 738, rubber or silica gel is arranged on the outer circle surface of the clamping wheel 737, rubber or silica gel is arranged on the surface corresponding to the clamping wheel 737 on the clamping piece 738, the clamping wheel 737 and the clamping piece 738 can flexibly clamp the shaft part, the clamping piece 738 is fixed, the clamping wheel 737 rotates, the shaft part is rolled and advances between the clamping piece 738 and the clamping wheel 737, at the moment, the rolled and advanced shaft part contacts with the grinding wheel 42 rotating at a high speed, the contacted part is ground, the cutter feeding amount can be adjusted through the lifting device 3 and the feeding device 5, chamfering or grinding cone surface can be carried out on the shaft part according to requirements, and the ground shaft part falls to the falling groove 75 under the action of gravity after leaving the clamping piece 738. The device comprises the steps of taking, arranging, clamping, grinding and blanking the shaft parts, can continuously process the shaft parts in batches, realizes automatic production, has strong practicability and can greatly improve the production efficiency.
Claims (8)
1. The utility model provides a grinding machine, includes frame, its characterized in that: a bracket is arranged on the frame, a lifting device is arranged on the bracket, and a grinding wheel fastening device is arranged on the lifting device; a feeding device is arranged above the bracket, a feeding substrate is arranged on the feeding device, and an automatic feeding device is arranged on the feeding substrate; the motor support is arranged at one end of the frame, which is close to the middle belt pulley group, and is provided with a driving device which is connected with the grinding wheel through a first belt in a fastening way and is connected with the middle belt pulley group through a second belt, and the middle belt pulley group is connected with the automatic feeding device through a third belt;
the lifting device comprises a sliding rail, a sliding block, a servo motor support, a servo motor, a lifting screw rod and a lifting nut, wherein the sliding rail is vertically arranged on the support, the sliding block is slidingly arranged on the sliding rail, the lifting nut is arranged at the bottom end of the sliding block, the servo motor support is arranged on the support, the servo motor support is positioned at the bottom end of the sliding rail, the servo motor is arranged on the servo motor support, one end of the lifting screw rod with threads is matched with the lifting nut, and the other end of the lifting screw rod is connected with an output shaft of the servo motor;
the grinding wheel fastening device comprises a rotating shaft and a grinding wheel, wherein the rotating shaft is arranged on a sliding block, a bearing is arranged on the rotating shaft, a bearing sleeve sleeved outside the rotating shaft is arranged on the bearing, a third belt pulley is arranged at one end of the bearing sleeve, a flange seat is sleeved on the bearing sleeve, the flange seat comprises a flange seat body and an extension sleeve connected with one end of the flange seat body, a flange plate is sleeved on the extension sleeve, a half dovetail groove is arranged on one side, close to the flange plate, of the flange seat body, a half dovetail groove is arranged on one side, close to the flange seat body, of the flange seat, the half dovetail groove on the flange seat and the half dovetail groove on the flange plate form a dovetail groove, a central hole is formed in the grinding wheel, the grinding wheel is sleeved outside the flange seat and the flange plate, the grinding wheel is arranged in the central hole and is provided with a grinding wheel matched with the dovetail groove, the flange seat is provided with more than two through holes uniformly distributed along the circumference, the flange plate is provided with more than two through holes uniformly distributed along the circumference, a fastening piece is arranged between the corresponding through holes of the flange seat and the flange plate, the first compression nut is arranged on the bearing sleeve, the first compression nut is arranged on the outer side of the flange seat, and the compression nut is arranged on the second compression nut is arranged on the outer side, close to the flange plate and extends;
the feeding device comprises an I-shaped chute which is arranged on the bracket and is provided with an outer chute and an inner chute, an L-shaped sliding block is arranged in the outer chute, and a through hole is arranged on the L-shaped sliding block; a square sliding block is arranged in the inner sliding groove, a screw is arranged on the square sliding block, a waist-shaped groove is transversely arranged on the vertical wall of the I-shaped sliding groove, and a fastening nut is arranged on the screw after the screw passes through the waist-shaped groove and the L-shaped sliding block; a feed nut is further arranged on the square sliding block, a base column is arranged at the end face of the I-shaped sliding groove on the support, a U-shaped groove is formed in the upper end of the base column, a feed screw is arranged between the base column and the screw nut, one end of the feed screw is provided with threads, the middle part of the feed screw is provided with a groove, the groove is clamped into the U-shaped groove, one end of the feed screw with the threads is matched with the feed nut, and the other end of the feed screw is provided with an adjusting handle;
the automatic feeding device comprises a feeding substrate, the feeding substrate is arranged on an L-shaped sliding block, a feeding driving device, a material clamping and conveying device, a feeding device and a blanking groove are sequentially arranged on the feeding substrate, the feeding driving device and the material clamping and conveying device act, the feeding driving device and the feeding device act, the blanking groove is arranged on the feeding substrate or the material clamping and conveying device, a key groove is arranged between a bearing sleeve and a third belt pulley, a key is arranged in the key groove, the middle belt pulley group comprises a middle shaft, a fourth belt pulley and a fifth belt pulley, the middle shaft penetrates through a bracket, the fourth belt pulley is arranged on one side of the middle shaft, the fifth belt pulley is arranged on one side of the middle shaft, which is outside the bracket, the third belt is arranged between the fifth belt pulley and the sixth belt pulley, a second tensioning wheel frame is further arranged on the middle shaft, and a second tensioning wheel for tensioning the third belt is arranged on the second tensioning wheel frame; the driving device comprises a driving motor, a first belt pulley and a second belt pulley, the driving motor is arranged on a motor bracket, the first belt pulley and the second belt pulley are both arranged on an output shaft of the driving motor, the first belt pulley is arranged on the inner side of the output shaft of the driving motor, the second belt pulley is arranged on the outer side of the output shaft of the driving motor, the first belt is arranged between the first belt pulley and the third belt pulley, and the second belt is arranged between the second belt pulley and the fourth belt pulley; the second pulley has a small diameter and the fourth pulley has a large diameter.
2. A grinding machine according to claim 1, wherein: bearing end covers are arranged at two ends of the bearing sleeve; a gap is formed between the flange seat body and the flange plate; the fastener is a bolt and a nut matched with the bolt; the upper half dovetail groove inclined surface of the flange seat is provided with a groove near the center of the flange seat, and the upper half dovetail groove inclined surface of the flange plate is provided with a groove near the center of the flange plate.
3. A grinding machine according to claim 1, wherein: the feeding driving device comprises a first driving support, a second driving support and a third driving support, a driving shaft is arranged between the first driving support and the second driving support, a sixth belt pulley is arranged at one end of the driving shaft, and a worm is arranged at the other end of the driving shaft; a driven shaft is arranged between the second driving support and the third driving support, a driving gear is arranged at one end of the driven shaft, a seventh belt pulley is arranged at the other end of the driven shaft, a worm wheel is further arranged on the driven shaft and located in the second driving support, and the worm wheel is matched with the worm.
4. A grinding machine according to claim 1, wherein: the material clamping and conveying device comprises a base, a fixed shaft, a bearing sleeve, a bearing, a rotating shaft, a driven gear, a clamping wheel, a clamping piece and a discharging block, wherein the base is arranged on a feeding substrate, the fixed shaft is arranged on the base, the bearing sleeve is connected with the fixed shaft, the bearing is arranged in the bearing sleeve, the rotating shaft is connected with the bearing, the clamping wheel is arranged on the rotating shaft, the driven gear is meshed with the driving gear, the clamping piece is arranged on the feeding substrate and is arranged outside the outer circumference of the clamping wheel, and the discharging block is arranged on the clamping piece.
5. A grinding machine according to claim 1, wherein: the feeding device comprises a supporting plate, a mounting plate, a feeding rotating shaft, a cam, an eighth belt pulley and a material taking wheel, wherein the supporting plate is arranged on a feeding substrate, the mounting plate is arranged on the supporting plate, the feeding rotating shaft is arranged on the mounting plate, the cam is arranged on the feeding rotating shaft, the eighth belt pulley is arranged at one end of the feeding rotating shaft, and the material taking wheel is arranged at the other end of the feeding rotating shaft; a charging basket bottom plate is also arranged on the mounting plate, a charging basket is arranged on the charging basket bottom plate, an outlet of the charging basket faces the material taking wheel, a material shifting device is arranged on the charging basket bottom plate, a limiting device is arranged on the outer side, close to the material taking wheel, of the feeding substrate, and a material pressing device is arranged on the mounting plate; a fourth belt is disposed between the seventh pulley and the eighth pulley.
6. A grinding machine as defined in claim 5, wherein: the outer circumference of the material taking wheel is provided with more than one axial poking groove; the outer circumference of the material taking wheel is also provided with a groove which winds around the outer circumference; a driving rod is arranged on the outer side surface of the material taking wheel; the material stirring device comprises a material stirring support, a material stirring support rod, a swing arm, a material stirring rod, a connecting rod and a swing rod, wherein the material stirring support is arranged on a material basket bottom plate, the material stirring support rod is arranged on the material stirring support, the swing arm is arranged on the material stirring support rod, the upper end of the material stirring rod is arranged on the swing arm, the lower end of the material stirring rod is arranged outside the outer circumference of the material taking wheel, the connecting rod is arranged on the swing arm, the upper end of the swing rod is arranged on the connecting rod, and the lower end of the swing rod is matched with the cam.
7. A grinding machine according to claim 6, wherein: the material pressing device comprises a material pressing supporting rod, a material pressing cross beam and a material pressing sheet, wherein the material pressing supporting rod is arranged on the mounting plate, the material pressing cross beam is arranged on the material pressing supporting rod, the upper end of the material pressing sheet is arranged on the material pressing cross beam, and the lower end of the material pressing sheet is arranged outside the outer circumference of the material taking wheel.
8. A grinding machine as defined in claim 5, wherein: the limiting device comprises a limiting support, a limiting support rod, a limiting shaft, a bearing sleeve and a limiting disc, wherein the limiting support is arranged on the feeding substrate, the limiting support rod is arranged on the limiting support, the limiting shaft is arranged on the limiting support rod, the limiting shaft is connected with the inner ring of the bearing, the bearing sleeve is arranged on the outer ring of the bearing, the limiting disc is connected with the bearing sleeve, a positioning hole is formed in the limiting disc, and the driving rod is inserted into the positioning hole of the limiting disc; a first tensioning wheel frame is arranged at one end, close to the belt pulley, of the feeding rotating shaft, and a first tensioning wheel for tensioning a fourth belt is arranged on the first tensioning wheel frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578758.1A CN108481115B (en) | 2018-06-07 | 2018-06-07 | Grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810578758.1A CN108481115B (en) | 2018-06-07 | 2018-06-07 | Grinding machine |
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| CN108481115A CN108481115A (en) | 2018-09-04 |
| CN108481115B true CN108481115B (en) | 2023-11-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079657B (en) * | 2018-09-17 | 2024-04-26 | 无锡市索菲机械电子有限公司 | Main shaft device of bearing workpiece |
| CN109894954B (en) * | 2019-04-10 | 2024-04-19 | 苏州友联纺工装备科技股份有限公司 | Single-rail needle grinding machine |
| CN109848845B (en) * | 2019-04-10 | 2023-10-31 | 苏州友联纺工装备科技股份有限公司 | High-precision shifting grinding head mechanism |
| CN111250795B (en) * | 2020-03-02 | 2021-04-13 | 浙江谦达机电科技有限公司 | Preparation method of polyurethane elastomer material |
| CN113305722A (en) * | 2021-06-28 | 2021-08-27 | 苍南县宏大工艺品有限公司 | Badge polishing machine |
| CN114789379B (en) * | 2022-04-08 | 2023-06-02 | 大连理工大学 | Vertical grinding machine and grinding method for outer contour of non-revolving body conical workpiece |
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