CN111761479B - Cylindrical workpiece polishing machine - Google Patents
Cylindrical workpiece polishing machine Download PDFInfo
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- CN111761479B CN111761479B CN201910254288.8A CN201910254288A CN111761479B CN 111761479 B CN111761479 B CN 111761479B CN 201910254288 A CN201910254288 A CN 201910254288A CN 111761479 B CN111761479 B CN 111761479B
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- belt
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- 238000005498 polishing Methods 0.000 title claims abstract description 123
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 235000000396 iron Nutrition 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/22—Accessories for producing a reciprocation of the grinding belt normal to its direction of movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- 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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a cylindrical workpiece polishing machine, which comprises a bracket, a reciprocating type polishing device and a cylindrical workpiece driving device, wherein the cylindrical workpiece driving device can drive cylindrical workpieces arranged on the polishing machine to rotate and adapt to cylindrical workpieces with different lengths, the reciprocating type polishing device can drive a polishing belt tensioning device to move left and right to comprehensively polish the cylindrical workpieces, a sliding arm locking device on the polishing belt tensioning device can lock a polishing belt when the polishing belt is positioned at a working position, a sliding rod between an upper sliding rod and a lower sliding rod of the polishing belt tensioning device and a supporting block is supported by a spring, and when two sliding arms slide upwards and a clamping plate and a lower sliding shaft are separated, downward elasticity can be provided to downwards press the lower sliding rod, so that a belt pulley below is driven to downwards press, and the phenomenon that the belt on the belt pulley loosens and falls when the two sliding arms move upwards is avoided.
Description
Technical Field
The invention relates to the technical field of cylinder polishing, in particular to a cylinder workpiece polishing machine.
Background
The polishing of the cylindrical workpiece occupies a large proportion in the polishing field, at present, manual polishing or semi-automatic polishing is mostly adopted for the cylindrical workpiece, the manual polishing is carried out by a hand-held polishing machine, or polishing sand paper is directly held by the hand for polishing, the labor intensity is high, the efficiency is low, the semi-automatic polishing is mostly that the cylindrical workpiece is fixed and rotatable, then a polishing device is fixed on one side of the cylindrical workpiece, a polishing belt is contacted with a cylindrical surface for polishing, but when the cylindrical workpiece is polished, the cylindrical workpiece needs to manually move left and right to realize the comprehensive polishing of the cylindrical workpiece, so that the labor intensity of workers is increased, the precision is not ensured by the manual movement, and the polishing quality of the workpiece is influenced; moreover, when the cylindrical workpiece is manually operated, the cylindrical workpiece is difficult to rotate, so that the polishing belt is troublesome to operate when polishing the whole side surface of the cylindrical workpiece, the efficiency is low, the longer cylindrical workpiece cannot be clamped and fixed on the polishing machine, and the working efficiency of polishing equipment is further affected.
Disclosure of Invention
In order to solve the problems, the invention provides a cylindrical workpiece polishing machine.
The technical scheme of the invention is as follows: a cylindrical workpiece polishing machine comprises a bracket, a reciprocating type polishing device and a cylindrical workpiece driving device; the method is characterized in that: the support is a cuboid support formed by welding a plurality of square steel pipes, the upper end of the support is formed by connecting three upper cross beams, two identical sliding rail supporting beams are arranged at the lower end of one side of the two upper cross beams at the outer side, and a plurality of supporting legs are arranged downwards;
The reciprocating type burnishing device install the inboard at the support, including moving platform, polishing belt overspeed device tensioner, track, reciprocal drive arrangement, its characterized in that: the rail is two angle irons which are arranged side by side, the reciprocating driving device is positioned at two ends of the rail, the reciprocating driving device comprises bearing seats, driving belts and driving motor A, two ends of the rail are respectively provided with two bearing seats which correspond to each other, a driving shaft is connected between the two bearing seats at one end of the rail through a bearing, a driving belt pulley is fixed in the middle of the driving shaft, a driven gear is fixed between the driving belt pulley and one of the bearing seats, a driven shaft is connected between the two bearing seats at the other end of the rail through a bearing, a driven belt pulley is fixed in the middle of the driven shaft, and the driving belt is sleeved between the driving belt pulley and the driven belt pulley; the outer side of the bearing seat connected with the driving shaft is provided with a driving motor A, a driving gear is sleeved on the shaft of the driving motor A, and a driving chain is connected between the driving gear and the driven gear;
The movable platform is a cuboid plate, four corners of the movable platform are provided with four supporting legs downwards, the supporting legs are connected with rollers matched with a track, the rollers on the movable platform ride on the track, a driving motor B is fixed on the upper surface of the inner side of the movable platform, a V-shaped belt pulley A is connected on the shaft of the driving motor B, the middle part of the upper surface of the movable platform is connected with a compression block corresponding to the position of a driving belt through a bolt, and the compression block compresses the driving belt between the compression block and the movable platform through the bolt;
the polishing belt tensioning assembly comprises two identical supporting plates, a push-pull arm locking device and a polishing belt, wherein the two supporting plates are vertically fixed on the other side of the moving platform and are mutually corresponding to each other to connect the polishing belt tensioning assembly with the moving platform, a certain interval is arranged between the two supporting plates, the whole supporting plates are triangular, middle fixing shaft holes are formed in the middle of the supporting plates, arc-shaped slotted holes are formed in the outer side corners of the supporting plates by taking the middle fixing shaft holes as the center, bearing mounting holes are formed in the inner side corners, and vertical slotted holes are formed in the lower corners; the lower parts of the side walls between the two support plates are respectively connected with a support block, the positions of the two support blocks correspond to each other and are all positioned right above the vertical oblong holes, and the middle parts of the two support blocks are respectively provided with a round lifting hole;
The push-pull arm locking device is arranged between the two support plates and comprises two identical push-pull arms, the push-pull arms are of an elongated plate, a round mounting hole is formed in the middle of each push-pull arm, round holes are formed in the lower parts of the two push-pull arms, a sleeve is fixedly connected between the two round holes to fix the two push-pull arms into a whole in parallel, the inner diameter of the sleeve is identical to the diameter of the round holes, a clamping plate extending downwards is fixed in the middle of the sleeve, an arc clamping groove taking the center of the sleeve as the center of a circle is formed in the lower part of the clamping plate, and an introduction inclined plane is cut at a port of the arc clamping groove;
A rotating shaft is arranged in the two bearing mounting holes corresponding to the two supporting plates through bearings, one end of the rotating shaft extends out of the supporting plate on the corresponding side, a belt pulley B corresponding to the belt pulley A is arranged on the rotating shaft between the two supporting plates, and a V-shaped belt is sleeved between the belt pulley A and the belt pulley B; a lower sliding shaft is arranged in the two vertical long round holes corresponding to each other, one end of the lower sliding shaft extends out of a supporting plate on the corresponding side, the middle part of the lower sliding shaft extends out of two sliding rods upwards, the two sliding rods penetrate through the two round lifting holes of the supporting block to form a sliding pair, and a spring is sleeved on the two sliding rods between the supporting block and the lower sliding shaft; an upper sliding shaft is arranged in the two arc-shaped slotted holes which correspond to each other to form a sliding pair, one end of the upper sliding shaft extends out of a supporting plate on the corresponding side, the middle part of the upper sliding shaft penetrates through the round mounting holes in the middle parts of the two push-pull arms and is fixedly connected with the push-pull arms, two ends of a sleeve at the lower parts of the two push-pull arms correspond to middle fixing shaft holes in the supporting plates on two sides, the diameter of the middle fixing shaft holes is the same as the inner diameter of the sleeve, and a middle fixing shaft is inserted into the middle fixing shaft holes and the sleeve to form a revolute pair;
the polishing device is characterized in that the rotating shaft, the lower sliding shaft and the upper sliding shaft extend out of the supporting plate and are positioned on the same side of the supporting plate, polishing belt wheels are sleeved on the rotating shaft, the lower sliding shaft and the upper sliding shaft, the polishing belt is sleeved on the three polishing belt wheels, hinging heads are arranged at two ends of the arc-shaped slotted holes between the supporting plate and the polishing belt wheels, and fixed hooks matched with the upper sliding shaft are hinged on each hinging head.
The cylindrical workpiece driving device is arranged on the outer side of the bracket and comprises a driving motor, a bearing seat, an upper sliding platform and a lower sliding platform, sliding sleeves are arranged at the lower ends of two sides of the lower sliding platform, a lower sliding rail is arranged on the two sliding rail supporting beams, the sliding sleeves are sleeved on the sliding rails to connect the lower sliding platform with the sliding rails, an electric push rod is arranged in the middle of the upper surface of the lower sliding platform, two square steel pipes are arranged on two sides of the electric push rod, two upper sliding rails which are parallel to each other are fixed on the upper surfaces of the two square steel pipes, the upper sliding platform is connected with the upper sliding rails to form a sliding pair, a vertical connecting plate is connected with the lower surface of the upper sliding platform, and the connecting plate is connected with a telescopic rod of the electric push rod; the upper ends of the two upper cross beams and one side opposite to the sliding rail supporting beam are provided with fixed bearing seats, the fixed bearing seats are connected with cross shafts through bearings, the outer ends of the cross shafts are connected with pinion gears, driving motor C is arranged on a support below the pinion gears, main gears on the driving motor C shafts are connected with the pinion gears through chains, the inner ends of the cross shafts are connected with cylindrical workpiece fixing heads, movable bearing seats corresponding to the fixed bearing seats are arranged in the middle of the upper sliding platform, cylindrical workpiece fixing heads are also arranged on the movable bearing seats, cylindrical workpieces are arranged between the two cylindrical workpiece fixing heads, and the cylindrical workpieces are parallel to the sliding rails and correspond to the polishing belt.
Preferably, two upper ends of the two push-pull arms are connected with a holding rod, and a rotating sleeve is sleeved on the holding rod.
Preferably, the diameters of the polishing belt wheels sleeved on the lower sliding shaft and the upper sliding shaft are the same, and the diameter of the polishing belt wheel sleeved on the rotating shaft is larger than that of the polishing belt wheel sleeved on the lower sliding shaft and the upper sliding shaft.
Preferably, the lengths of the parts of the rotating shaft, the lower sliding shaft and the upper sliding shaft extending out of the supporting plate are larger than the lengths of the polishing belt wheels.
Preferably, the size of the arc-shaped long round hole is matched with the size of the upper sliding shaft, and the size of the telescopic rod is matched with the size of the round through hole.
Preferably, the bearing blocks at two ends of the track are provided with travel switches corresponding to the moving platform.
Preferably, the main belt pulley is a belt gear, and teeth are arranged on the inner surface of a driving belt sleeved at one end of the belt gear.
Preferably, a fixed plate corresponding to the sliding support beam is arranged on the outer side of the lower sliding platform, a push-pull handrail is arranged in the middle of the fixed plate, and positioning pins are arranged at two ends close to the fixed plate.
Preferably, two supporting devices are arranged right below the cylindrical workpiece.
The beneficial technical effects of the invention are as follows:
The cylindrical workpiece driving device is provided with the upper sliding platform and the lower sliding platform, the driving device can clamp cylindrical workpieces with different lengths by adjusting the left and right sliding of the upper sliding platform and the lower sliding platform, the polishing range of the polishing machine is increased, one end of the driving device is provided with the driving motor, and the driving motor is used for driving the cylindrical workpiece fixing head arranged on the bearing seat to rotate, so that the cylindrical workpiece is driven to rotate, and the polishing efficiency is improved;
The reciprocating driving device on the reciprocating polishing device is arranged at the end part of the sliding rail, pulleys at four corners of the moving platform are ridden on the sliding rail, the driving device is connected with the moving platform through a driving belt and can drive the moving platform to reciprocate left and right on the sliding rail, so that the polishing belt tensioning device is driven to move left and right, and under the combined action of rotation of a cylindrical workpiece and the left and right movement of the polishing belt tensioning device, the circular workpiece can be polished rapidly, uniformly and fully automatically, the labor intensity of workers is reduced, and the production efficiency is improved;
The two support plates on the polishing belt tensioning device are vertically fixed on the moving platform in a mutually corresponding manner, a push-pull arm locking device is arranged between the two support plates through an upper sliding rod, the two push-pull arms on the push-pull arm locking device can slide along the arc-shaped slotted hole, so that the belt pulley is driven to lift or fall, when the two push-pull arms descend to the lower ends of the arc-shaped slotted hole to drive the polishing belt to contact with a round workpiece to start polishing, the clamping plates connected with the lower ends of the two push-pull arms can be clamped on the lower sliding rod below to lock the push-pull arm locking device and the lower sliding rod, and at the moment, the fixed hooks arranged at the end parts of the arc-shaped slotted hole hook the upper sliding rod to avoid backward sliding of the push-pull arm locking device, so that the polishing belt tensioning device is completely locked; the sliding rod between the lower sliding rod and the supporting block is supported by the spring, when the two push-pull arms slide upwards to separate the clamping plate from the lower sliding shaft, the lower sliding rod can be pressed downwards by providing downward elasticity, so that the belt pulley below is driven to be pressed downwards, the phenomenon that the belt on the belt pulley is loosened and falls off when the two push-pull arms move upwards is avoided, and the operation process is simplified.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the front view structure of the invention with the square steel tube at one side of the lower support plate removed;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a perspective view of a cylindrical workpiece drive;
FIG. 5 is an enlarged view at A of FIG. 4;
FIG. 6 is an enlarged view at B of FIG. 4;
FIG. 7 is a perspective view of a reciprocating polishing apparatus;
FIG. 8 is an enlarged view at A of FIG. 7;
fig. 9 is an enlarged view at B of fig. 7;
FIG. 10 is an enlarged view at C of FIG. 7;
FIG. 11 is one of the schematic perspective views of the compound polishing device;
Fig. 12 is a schematic view of the structure of the support plate of fig. 7;
FIG. 13 is a second perspective view of a reciprocating polishing apparatus;
FIG. 14 is a third perspective view of the reciprocating polishing apparatus;
FIG. 15 is an enlarged view of a portion of FIG. 14;
FIG. 16 is a schematic view showing a perspective structure of the reciprocating polishing apparatus with one support plate removed;
FIG. 17 is an enlarged view of a portion of FIG. 16;
FIG. 18 is a schematic view of a push-pull arm locking device;
FIG. 19 is a side view of a push-pull arm lock;
FIG. 20 is a cross-sectional view taken along line A-A of FIG. 19;
FIG. 21 is a schematic top view of a reciprocating polishing apparatus;
FIG. 22 is an enlarged view of a portion of FIG. 21;
in the drawing the view of the figure, A moving platform, 101, drive motor B, 102, pulley A, 103, roller, 104, compression block, 2, support plate, 201, arc oblong hole, 202, bearing mounting hole, 203, vertical oblong hole, 204, intermediate fixed shaft hole, 205, support block, 206, circular lifting hole, 3, push-pull arm locking device, 301, push-pull arm, 302, circular mounting hole, 303, detent plate, 304, arc slot, 305, lead-in inclined plane, 306, sleeve, 307, round hole, 4, rotary shaft, 401, pulley B, 5.V, belt, 6, lower sliding shaft, 601, slide bar, 7, spring, 8, upper sliding shaft, 9, hinge joint, 10, fixed hook, 11, polishing belt, 12, 13, holding rod, 131, rotary sleeve, 14, reciprocating drive device, 141, bearing seat. 142, 143, driven gears, 144, driven pulleys, 145, drive belt, 146, drive motor A, 147, drive gear, 148, drive chain, 15, track, 16, intermediate stationary shaft, 116, bracket, 161, upper cross member, 162, slide rail support beam, 163, support leg, 17, reciprocating polishing device, 18, cylindrical workpiece drive device, 181, drive motor C, 182, upper sliding platform, 183, lower sliding platform, 185, lower sliding rail, 186, upper sliding rail, 187, electric pushrod, 188, connecting plate, 189, fixed bearing housing, 190, secondary gear, 191, main gear, 192, cylindrical workpiece fixing head, 193, movable bearing housing, 194, cylindrical workpiece, 19, support device, 20, fixed plate, 21, push-pull armrest, 22.
Detailed Description
First, referring to the drawings (1-22) of the specification, a cylindrical workpiece polishing machine comprises a bracket, a reciprocating type polishing device and a cylindrical workpiece driving device; the support is a cuboid support formed by welding a plurality of square steel pipes, the upper end of the support is formed by connecting three upper cross beams, two identical sliding rail supporting beams are arranged at the lower end of one side of the two upper cross beams at the outer side, and a plurality of supporting legs are arranged downwards;
The reciprocating type polishing device is arranged on the inner side of the support, and comprises a moving platform, a polishing belt tensioning device, a track and a reciprocating driving device, wherein the track is two angle irons which are arranged side by side, the reciprocating driving device is positioned at two ends of the track and comprises bearing seats, a driving belt and a driving motor A, two bearing seats which correspond to each other are respectively arranged at two ends of the track, a driving shaft is connected between two bearing seats at one end of the track through a bearing, a main belt pulley is fixed in the middle of the driving shaft, a driven gear is fixed between the main belt pulley and one of the bearing seats, a driven shaft is connected between two bearing seats at the other end of the track through a bearing, a driven belt pulley is fixed in the middle of the driven shaft, and a driving belt is sleeved between the main belt pulley and the driven belt pulley and used for pulling the polishing belt tensioning device to move; the outer side of the bearing seat connected with the driving shaft is provided with a driving motor A, a driving gear is sleeved on the shaft of the driving motor A, and a driving chain is connected between the driving gear and the driven gear;
The movable platform is a cuboid plate, four corners of the movable platform are provided with four supporting legs downwards, the supporting legs are connected with rollers matched with the tracks, the rollers on the movable platform ride on the tracks to slide left and right, the upper surface of the inner side of the movable platform is fixedly provided with a driving motor B, a V-shaped belt pulley A is connected to the shaft of the driving motor B, the middle part of the upper surface of the movable platform is connected with a compression block corresponding to the position of the driving belt through a bolt, the compression block compresses the driving belt between the compression block and the movable platform through the bolt, and thus the driving motor A can pull the movable platform to slide left and right on the tracks through the driving belt;
The polishing belt tensioning assembly comprises two identical supporting plates, a push-pull arm locking device and a polishing belt, wherein the two supporting plates are vertically fixed on the other side of the moving platform and correspond to each other, the polishing belt tensioning assembly is connected with the moving platform, a certain interval is arranged between the two supporting plates, the locking device is arranged in the interval, the whole supporting plate is triangular, a middle fixing shaft hole is formed in the middle of the supporting plate, an arc-shaped slotted hole is formed in the outer side corner of the supporting plate by taking the middle fixing shaft hole as the center, a bearing mounting hole is formed in the inner side corner of the supporting plate, and a vertical slotted hole is formed in the lower corner of the supporting plate; the lower parts of the side walls between the two support plates are respectively connected with a support block, the positions of the two support blocks correspond to each other and are all positioned right above the vertical oblong holes, and the middle parts of the two support blocks are respectively provided with a round lifting hole;
The push-pull arm locking device is arranged between the two support plates and comprises two identical push-pull arms, the push-pull arms are of an elongated plate, a round mounting hole is formed in the middle of each push-pull arm, round holes are formed in the lower parts of the two push-pull arms, a sleeve is fixedly connected between the two round holes to fix the two push-pull arms into a whole in parallel, the inner diameter of the sleeve is identical to the diameter of the round holes, an arc clamping groove taking the center of the sleeve as the center of a circle is formed in the middle of the sleeve, the arc clamping groove can be clamped on the lower sliding shaft when the clamping plate rotates to be close to the lower sliding shaft, the clamping plate is fixed with the lower sliding shaft, an introducing inclined plane is cut at a port of the arc clamping groove, the range of introducing the lower sliding rod into the arc clamping groove is enlarged by the introducing inclined plane, and the condition that the lower sliding rod cannot be introduced into the arc clamping groove is prevented;
A rotating shaft is arranged in the two bearing mounting holes corresponding to the two supporting plates through bearings, one end of the rotating shaft extends out of the supporting plate on the corresponding side, a belt pulley B corresponding to the belt pulley A is arranged on the rotating shaft between the two supporting plates, and a V-shaped belt is sleeved between the belt pulley A and the belt pulley B; a lower sliding shaft is arranged in the two vertical long round holes corresponding to each other, one end of the lower sliding shaft extends out of a supporting plate on the corresponding side, the middle part of the lower sliding shaft extends out of two sliding rods upwards, the two sliding rods penetrate through the two round lifting holes of the supporting block to form a sliding pair, a spring is sleeved on the two sliding rods between the supporting block and the lower sliding shaft, and the spring is used for downwards pressing the sliding rod; an upper sliding shaft is arranged in the two arc-shaped slotted holes which correspond to each other to form a sliding pair, one end of the upper sliding shaft extends out of a supporting plate on the corresponding side, the middle part of the upper sliding shaft penetrates through the round mounting holes in the middle parts of the two push-pull arms and is fixedly connected with the push-pull arms, two ends of a sleeve at the lower parts of the two push-pull arms correspond to middle fixing shaft holes in the supporting plates on two sides, the diameter of the middle fixing shaft holes is the same as the inner diameter of the sleeve, and a middle fixing shaft is inserted into the middle fixing shaft holes and the sleeve to form a revolute pair;
The part of the rotating shaft, the lower sliding shaft and the upper sliding shaft extending out of the supporting plate is positioned on the same side of the supporting plate, polishing belt wheels are sleeved on the rotating shaft, the lower sliding shaft and the upper sliding shaft, the polishing belt is sleeved on the three polishing belt wheels, the three polishing belt wheels drive the polishing belt to rotate, two ends of the arc-shaped long round holes between the supporting plate and the polishing belt wheels are provided with hinging heads, each hinging head is hinged with a fixed hook matched with the upper sliding shaft, and the fixed hooks are used for fixing the upper sliding shaft in the arc-shaped long round holes.
The cylindrical workpiece driving device is arranged on the outer side of the bracket and comprises a driving motor, a bearing seat, an upper sliding platform and a lower sliding platform, sliding sleeves are arranged at the lower ends of two sides of the lower sliding platform, a lower sliding rail is arranged on the two sliding rail supporting beams, the sliding sleeves are sleeved on the sliding rails to connect the lower sliding platform with the sliding rails, an electric push rod is arranged in the middle of the upper surface of the lower sliding platform, two square steel pipes are arranged on two sides of the electric push rod, two upper sliding rails which are parallel to each other are fixed on the upper surfaces of the two square steel pipes, the upper sliding platform is connected with the upper sliding rails to form a sliding pair, a vertical connecting plate is connected with the lower surface of the upper sliding platform, and the connecting plate is connected with a telescopic rod of the electric push rod; the upper ends of the two upper cross beams and one side opposite to the sliding rail supporting beam are provided with fixed bearing seats, the fixed bearing seats are connected with cross shafts through bearings, the outer ends of the cross shafts are connected with pinion gears, driving motor C is arranged on a support below the pinion gears, main gears on the driving motor C shafts are connected with the pinion gears through chains, the inner ends of the cross shafts are connected with cylindrical workpiece fixing heads, movable bearing seats corresponding to the fixed bearing seats are arranged in the middle of the upper sliding platform, cylindrical workpiece fixing heads are also arranged on the movable bearing seats, cylindrical workpieces are arranged between the two cylindrical workpiece fixing heads, and the cylindrical workpieces are parallel to the sliding rails and correspond to the polishing belt.
The two upper ends of the two push-pull arms are connected with holding rods, the holding rods are sleeved with rotating sleeves, and the holding rods are held by hands to operate the push-pull arm locking device.
The diameter of the polishing belt wheel sleeved on the lower sliding shaft is the same as that of the polishing belt wheel sleeved on the upper sliding shaft, the diameter of the polishing belt wheel sleeved on the rotating shaft is larger than that of the polishing belt wheel sleeved on the lower sliding shaft and that of the polishing belt wheel sleeved on the upper sliding shaft, the polishing belt wheel on the rotating shaft is used as a driving wheel, under the condition that the motor output power is the same, the larger the diameter of the driving wheel is, the higher the transmission ratio among the three driving wheels is, and the length of the parts of the rotating shaft, the lower sliding shaft and the upper sliding shaft extending out of the supporting plate is larger than that of the polishing belt wheel so as to ensure that the polishing belt wheel can be completely sleeved on a shaft.
The size of the arc long round hole is matched with the size of the upper sliding shaft, the size of the telescopic rod is matched with the size of the round lifting shaft, and the sliding pair can slide smoothly due to the size matching, so that looseness and instability are prevented.
The bearing seats at two ends of the track are provided with travel switches, and the travel switches can control the polishing device to move left and right.
The main belt pulley is arranged as a belt gear, and teeth are arranged on the inner surface of a driving belt sleeved at one end of the belt gear, so that friction force between the driving wheel and the driving belt can be increased, and slipping phenomenon is avoided.
The outer side of the lower sliding platform is provided with a fixed plate corresponding to the sliding support beam, the middle part of the fixed plate is provided with a push-pull handrail, the sliding platform is enabled to move left and right by pulling the push-pull handrail, two ends close to the fixed plate are provided with positioning pins, and when the sliding platform moves to a position suitable for installation or disassembly, the sliding platform is fixed by the positioning pins.
Two supporting devices are arranged right below the cylindrical workpiece, and the two supporting devices are arranged below the cylindrical workpiece and can be placed on the supporting devices in the process of mounting or dismounting.
The operation method of the invention is as follows:
When the polishing machine starts to work:
a. The method comprises the steps of sliding a lower sliding platform left and right according to the length of a cylindrical workpiece to be polished, enabling the distance between a movable bearing seat and a fixed bearing seat on an upper sliding platform to be matched with the length of the cylindrical workpiece, then enabling two ends of the cylindrical workpiece to correspond to cylindrical workpiece fixing heads on the movable bearing seat and the fixed bearing seat respectively, driving an electric push rod to push the upper sliding platform to move so as to clamp the cylindrical workpiece between the movable bearing seat and the fixed bearing seat, opening a driving motor C, and enabling a cylindrical workpiece clamp to start rotating;
b. Holding the holding rods at the upper ends of the two push-pull arms to press downwards, wherein the sleeves at the lower ends of the two push-pull arms take the middle fixed shaft in the middle as the center, the upper sliding rods in the middle of the push-pull arms slide downwards along the arc-shaped oblong holes, and the clamping plates at the lower ends of the two push-pull arms also start to rotate downwards and continuously approach to the lower sliding shafts;
c. After the arc clamping groove of the clamping plate is close to the lower sliding shaft, if the arc clamping groove below is not corresponding to the lower sliding shaft, the guide-in inclined plane of the port of the arc clamping groove is contacted with the lower sliding shaft, and the lower sliding shaft slides upwards or downwards along the guide-in inclined plane under the action of the sliding rod to guide the lower sliding shaft into the arc clamping groove; the vertical positioning of the lower sliding shaft is realized, so that the upper sliding rod continues to move outwards until the polishing belt is rigidly tensioned and a polished cylindrical workpiece is attached;
d. Continuously pressing the two push-pull arms downwards until the upper sliding rod slides into the innermost end of the arc-shaped slotted hole, then rotating the fixed hooks at the corresponding ends of the arc-shaped slotted hole, and hooking the fixed hooks on the upper sliding shaft to finish the pushing and pasting of the polishing belt on the upper and lower cylindrical workpieces to be polished;
e. Starting a driving motor B, starting a polishing belt to rotate to polish the circumferential surface of the cylindrical workpiece, starting a driving motor A, driving a driven gear to rotate by a chain to drive a main belt pulley to rotate, driving a rotating belt to rotate by the main belt pulley to pull a moving platform to move towards one end, triggering a travel switch when the moving platform moves to one end of a track, and then moving back to realize reciprocating motion of a polishing device, and polishing the whole cylindrical workpiece through reciprocating motion of the polishing device.
After the polishing machine operation is completed:
f. Closing the driving motor A, closing the driving motor B after the moving platform stops moving, and stopping the polishing device; the fixed hook is separated from the upper sliding shaft, then the holding rod is held and pushed upwards, at the moment, the sleeves at the lower ends of the two push-pull arms take the middle fixed shaft in the middle as the center, the upper sliding rod in the middle of the push-pull arms slides upwards along the arc-shaped oblong hole, the clamping plate rotates outwards, meanwhile, the sliding rod is pressed down by the spring sleeved on the sliding rod, and the polishing belt wheels on the lower sliding rod press the polishing belt downwards, so that the polishing belt on the three polishing belt wheels is always in a flexible tensioning state, and the tensioning force at the moment is used for avoiding the loosening and the shifting of the polishing belt from the polishing wheel;
g. When the clamping plate rotates outwards, the arc clamping groove is separated from the lower sliding shaft, the push-pull arm is continuously pushed upwards to the upper end part of the arc-shaped slotted hole, then the fixed hook at the corresponding end of the arc-shaped slotted hole is rotated, the fixed hook is hooked on the upper sliding shaft, the polishing belt tensioning device is fixed at the upper end of the arc-shaped slotted hole, and the operation is finished. The polishing belt is a process of being far away from the cylindrical workpiece to be polished in the process, so that a larger operation space is provided for removing and installing the cylindrical workpiece; and (3) closing the driving motor C, stopping rotating the cylindrical workpiece, and finally driving the upper sliding platform outwards to separate the cylindrical workpiece from the cylindrical workpiece fixing heads at the two ends, so that the polished cylindrical workpiece is taken down from the polishing machine.
Claims (7)
1. A cylindrical workpiece polishing machine comprises a bracket, a reciprocating type polishing device and a cylindrical workpiece driving device; the method is characterized in that: the support is a cuboid support formed by welding a plurality of square steel pipes, the upper end of the support is formed by connecting three upper cross beams, two identical sliding rail supporting beams are arranged at the lower end of one side of the two upper cross beams at the outer side, and a plurality of supporting legs are arranged downwards;
The reciprocating type burnishing device install the inboard at the support, including moving platform, polishing belt tensioning assembly, track, reciprocal drive arrangement, its characterized in that: the rail is two angle irons which are arranged side by side, the reciprocating driving device is positioned at two ends of the rail, the reciprocating driving device comprises bearing seats, driving belts and driving motor A, two ends of the rail are respectively provided with two bearing seats which correspond to each other, a driving shaft is connected between the two bearing seats at one end of the rail through a bearing, a driving belt pulley is fixed in the middle of the driving shaft, a driven gear is fixed between the driving belt pulley and one of the bearing seats, a driven shaft is connected between the two bearing seats at the other end of the rail through a bearing, a driven belt pulley is fixed in the middle of the driven shaft, and the driving belt is sleeved between the driving belt pulley and the driven belt pulley; the outer side of the bearing seat connected with the driving shaft is provided with a driving motor A, a driving gear is sleeved on the shaft of the driving motor A, and a driving chain is connected between the driving gear and the driven gear;
The movable platform is a cuboid plate, four corners of the movable platform are provided with four supporting legs downwards, the supporting legs are connected with rollers matched with a track, the rollers on the movable platform ride on the track, a driving motor B is fixed on the upper surface of the inner side of the movable platform, a V-shaped belt pulley A is connected on the shaft of the driving motor B, the middle part of the upper surface of the movable platform is connected with a compression block corresponding to the position of a driving belt through a bolt, and the compression block compresses the driving belt between the compression block and the movable platform through the bolt;
the polishing belt tensioning assembly comprises two identical supporting plates, a push-pull arm locking device and a polishing belt, wherein the two supporting plates are vertically fixed on the other side of the moving platform and are mutually corresponding to each other to connect the polishing belt tensioning assembly with the moving platform, a certain interval is arranged between the two supporting plates, the whole supporting plates are triangular, middle fixing shaft holes are formed in the middle of the supporting plates, arc-shaped slotted holes are formed in the outer side corners of the supporting plates by taking the middle fixing shaft holes as the center, bearing mounting holes are formed in the inner side corners, and vertical slotted holes are formed in the lower corners; the lower parts of the side walls between the two support plates are respectively connected with a support block, the positions of the two support blocks correspond to each other and are all positioned right above the vertical oblong holes, and the middle parts of the two support blocks are respectively provided with a round lifting hole;
The push-pull arm locking device is arranged between the two support plates and comprises two identical push-pull arms, the push-pull arms are of an elongated plate, a round mounting hole is formed in the middle of each push-pull arm, round holes are formed in the lower parts of the two push-pull arms, a sleeve is fixedly connected between the two round holes to fix the two push-pull arms into a whole in parallel, the inner diameter of the sleeve is identical to the diameter of the round holes, a clamping plate extending downwards is fixed in the middle of the sleeve, an arc clamping groove taking the center of the sleeve as the center of a circle is formed in the lower part of the clamping plate, and an introduction inclined plane is cut at a port of the arc clamping groove;
A rotating shaft is arranged in the two bearing mounting holes corresponding to the two supporting plates through bearings, one end of the rotating shaft extends out of the supporting plate on the corresponding side, a belt pulley B corresponding to the belt pulley A is arranged on the rotating shaft between the two supporting plates, and a V-shaped belt is sleeved between the belt pulley A and the belt pulley B; a lower sliding shaft is arranged in the two vertical long round holes corresponding to each other, one end of the lower sliding shaft extends out of a supporting plate on the corresponding side, the middle part of the lower sliding shaft extends out of two sliding rods upwards, the two sliding rods penetrate through the two round lifting holes of the supporting block to form a sliding pair, and a spring is sleeved on the two sliding rods between the supporting block and the lower sliding shaft; an upper sliding shaft is arranged in the two arc-shaped slotted holes which correspond to each other to form a sliding pair, one end of the upper sliding shaft extends out of a supporting plate on the corresponding side, the middle part of the upper sliding shaft penetrates through the round mounting holes in the middle parts of the two push-pull arms and is fixedly connected with the push-pull arms, two ends of a sleeve at the lower parts of the two push-pull arms correspond to middle fixing shaft holes in the supporting plates on two sides, the diameter of the middle fixing shaft holes is the same as the inner diameter of the sleeve, and a middle fixing shaft is inserted into the middle fixing shaft holes and the sleeve to form a revolute pair;
The parts of the rotating shaft, the lower sliding shaft and the upper sliding shaft, which extend out of the supporting plate, are positioned on the same side of the supporting plate, polishing belt wheels are sleeved on the rotating shaft, the lower sliding shaft and the upper sliding shaft, the polishing belt is sleeved on the three polishing belt wheels, two ends of the arc-shaped oblong holes between the supporting plate and the polishing belt wheels are provided with hinging heads, and each hinging head is hinged with a fixed hook matched with the upper sliding shaft;
The cylindrical workpiece driving device is arranged on the outer side of the bracket and comprises a driving motor, a bearing seat, an upper sliding platform and a lower sliding platform, sliding sleeves are arranged at the lower ends of two sides of the lower sliding platform, a lower sliding rail is arranged on the two sliding rail supporting beams, the sliding sleeves are sleeved on the sliding rails to connect the lower sliding platform with the sliding rails, an electric push rod is arranged in the middle of the upper surface of the lower sliding platform, two square steel pipes are arranged on two sides of the electric push rod, two upper sliding rails which are parallel to each other are fixed on the upper surfaces of the two square steel pipes, the upper sliding platform is connected with the upper sliding rails to form a sliding pair, a vertical connecting plate is connected with the lower surface of the upper sliding platform, and the connecting plate is connected with a telescopic rod of the electric push rod; the upper ends of the sides, which are close to the opposite sides of the two upper cross beams and the sliding rail supporting beam, are provided with fixed bearing seats, the fixed bearing seats are connected with cross shafts through bearings, the outer ends of the cross shafts are connected with pinion gears, a support below the pinion gears is provided with a driving motor C, a main gear on the driving motor C shaft is connected with the pinion gears through a chain, the inner ends of the cross shafts are connected with cylindrical workpiece fixing heads, the middle part of the upper sliding platform is provided with a movable bearing seat corresponding to the fixed bearing seats, the movable bearing seats are also provided with cylindrical workpiece fixing heads, cylindrical workpieces are arranged between the two cylindrical workpiece fixing heads, and the cylindrical workpieces are parallel to the sliding rails and correspond to the polishing belt in position;
The two upper ends of the two push-pull arms are connected with a holding rod, and a rotating sleeve is sleeved on the holding rod;
The diameters of the polishing belt wheels sleeved on the lower sliding shaft and the upper sliding shaft are the same, and the diameter of the polishing belt wheel sleeved on the rotating shaft is larger than that of the polishing belt wheel sleeved on the lower sliding shaft and the upper sliding shaft.
2. The cylindrical workpiece polisher according to claim 1, wherein: the lengths of the parts of the rotating shaft, the lower sliding shaft and the upper sliding shaft extending out of the supporting plate are larger than the length of the polishing belt wheel.
3. The cylindrical workpiece polisher according to claim 1, wherein: the size of the arc long round hole is matched with the size of the upper sliding shaft, and the size of the telescopic rod is matched with the size of the round through hole.
4. The cylindrical workpiece polisher according to claim 1, wherein: and the bearing seats at the two ends of the track are provided with travel switches corresponding to the moving platform.
5. The cylindrical workpiece polisher according to claim 1, wherein: the main belt pulley is arranged as a belt gear, and teeth are arranged on the inner surface of a driving belt sleeved at one end of the belt gear.
6. The cylindrical workpiece polisher according to claim 1, wherein: the outer side of the lower sliding platform is provided with a fixed plate corresponding to the sliding supporting beam, the middle part of the fixed plate is provided with a push-pull handrail, and two ends close to the fixed plate are provided with positioning pins.
7. The cylindrical workpiece polisher according to claim 1, wherein: two supporting devices are arranged right below the cylindrical workpiece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254288.8A CN111761479B (en) | 2019-03-31 | 2019-03-31 | Cylindrical workpiece polishing machine |
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| CN201910254288.8A CN111761479B (en) | 2019-03-31 | 2019-03-31 | Cylindrical workpiece polishing machine |
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| CN111761479B true CN111761479B (en) | 2024-05-17 |
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