CN108747734B - Multi-station sander - Google Patents
Multi-station sander Download PDFInfo
- Publication number
- CN108747734B CN108747734B CN201810648846.4A CN201810648846A CN108747734B CN 108747734 B CN108747734 B CN 108747734B CN 201810648846 A CN201810648846 A CN 201810648846A CN 108747734 B CN108747734 B CN 108747734B
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- station
- feeding mechanism
- workpiece
- sanding
- rotating shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 227
- 239000004576 sand Substances 0.000 claims abstract description 87
- 238000007599 discharging Methods 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims description 72
- 238000003754 machining Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007790 scraping 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
- B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
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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
- B24B21/008—Machines comprising two or more tools or having several working posts
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines
Abstract
The invention belongs to the technical field of sanding equipment, and particularly relates to a multi-station sander, which comprises a machine base and a mechanical arm, wherein the machine base is at least provided with an upper blanking station, a coarse sand station and a fine sand station, the coarse sand station and the fine sand station are respectively provided with a rotary die carrier for fixing a workpiece and driving the workpiece to rotate, and the coarse sand station and the fine sand station are respectively provided with a sanding device; the manipulator is arranged in the middle of the machine base and comprises a lifting mechanism, a rotating shaft and mechanical arms corresponding to the stations, a gripper is arranged at the outer end of each mechanical arm, and workpiece references of the feeding and discharging stations, the coarse sand stations and the fine sand stations are uniformly distributed on the rotating track of the gripper; the lifting mechanism drives the rotating shaft to selectively ascend or descend, the grippers selectively grasp or place workpieces, the rotating mechanism drives the rotating shaft to intermittently rotate at a preset angle, so that the mechanical arm intermittently switches among stations, and the workpieces are transferred among the stations.
Description
Technical Field
The invention belongs to the technical field of sanding equipment, and particularly relates to a multi-station sander.
Background
The sander is used for grinding materials and objects which are uneven and uneven in thickness and do not meet the technological requirements, and the traditional sander enables the surface of a workpiece to be smoother and smoother in a physical removal mode of abrasive cloth, a grinding wheel, sand paper and the like, so that the technological requirements are met. Particularly, in the manufacturing process of kitchen ware, such as kettles, cookware and the like, polishing treatment is usually required to be completed through coarse sand and fine sand, so that the surface of the kitchen ware is smooth and flat, but in the traditional production process, the coarse sand and the fine sand are required to be carried out on different equipment, and the transfer of workpieces among different equipment is often required to be completed through manual assistance, so that the production efficiency of the kitchen ware is reduced, the manufacturing cost is increased, personnel injury and the like are easy to occur, and certain safety risks exist.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a sanding machine with a simple transfer mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
the multi-station sander comprises a machine base and a manipulator, wherein the machine base is at least provided with a feeding and discharging station, a coarse sand station and a fine sand station, the coarse sand station and the fine sand station are respectively provided with a rotary die carrier for fixing a workpiece and driving the workpiece to rotate, and the coarse sand station and the fine sand station are respectively provided with a sanding device; the manipulator is arranged in the middle of the machine base and comprises a lifting mechanism, a rotating shaft and mechanical arms which are connected to the side part of the rotating shaft and correspond to the stations, a gripper for gripping a workpiece is arranged at the outer end of each mechanical arm, the part of each station rotating die carrier for installing the workpiece is defined as a workpiece reference, and the workpiece references of the feeding and discharging stations, the coarse sand stations and the fine sand stations are uniformly distributed on the rotating track of the gripper; the lifting mechanism drives the rotating shaft to selectively ascend or descend, the grippers selectively grasp or place workpieces, and the rotating mechanism drives the rotating shaft to intermittently rotate at a preset angle, so that the mechanical arm intermittently switches among stations, and the workpieces are transferred among the stations.
Compared with the prior art, the multi-station sander integrates the feeding and discharging stations, the coarse sand stations and the fine sand stations on the machine base, realizes synchronous feeding, discharging and transferring among the stations by using the mechanical arm, and has higher automation degree, higher processing precision and processing efficiency and simpler transferring mode and transferring mechanism compared with the mode of rotating the traditional machine base to drive the workpiece to transfer.
Further, the coarse sand station is the coarse sand inner chamber station, the coarse sand inner chamber station includes coarse sand diapire station and coarse sand lateral wall station, the fine sand station is the fine sand inner chamber station, be equipped with the dust removal station between coarse sand inner chamber station and the fine sand inner chamber station, specifically, the dust removal station is located between coarse sand lateral wall station and the fine sand inner wall station, be equipped with the sand R angle station between coarse sand lateral wall station and the dust removal station, dust removal station and sand R angle station all are equipped with the rotary die carrier that is used for fixed work piece and drives the work piece rotation, and the work piece benchmark equipartition of above-mentioned all stations is on the rotation track of tongs.
Further, elevating system is for setting up the first lead screw slide mechanism on the frame, and it includes the first lead screw of vertical setting, locates the first slide rail of first lead screw both sides respectively, with first lead screw threaded connection and activity setting first slide on first slide rail and the rotatory first servo motor of drive first lead screw, slewing mechanism installs on the first slide, its output is connected the pivot, rotates first lead screw and drives first slide along the lift of first slide realization pivot of activity from top to bottom, elevating system's setting mode transmission is accurate, the lift is rapid, is favorable to improving production efficiency.
Further, the rotating mechanism comprises a rotating shaft connecting piece and a rotating shaft driving motor, one end of the rotating shaft connecting piece is connected with the first sliding seat, the other end of the rotating shaft connecting piece extends upwards out of the machine seat and is provided with the rotating shaft driving motor, and the output end of the rotating shaft driving motor is connected with the rotating shaft.
Further, the upper end face of the rotary die carrier is defined as a machining reference surface, the feeding and discharging stations are provided with feeding and discharging reference surfaces, the feeding and discharging reference surfaces and the machining reference surfaces of the stations are arranged at equal heights, workpieces are placed on the feeding and discharging reference surfaces and the machining reference surfaces respectively, the setting mode is convenient for unifying the placement references of the workpieces, and the manipulator is favorable for grabbing and placing the workpieces.
Further, the sanding device comprises a sanding feeding mechanism and a sanding mechanism, wherein the sanding feeding mechanism comprises a first transverse feeding mechanism and a first longitudinal feeding mechanism arranged on the first transverse feeding mechanism, the sanding mechanism is arranged on the first longitudinal feeding mechanism, the first transverse feeding mechanism drives the sanding mechanism and the first longitudinal feeding mechanism to transversely feed towards the rotary die carrier together, and the first longitudinal feeding mechanism drives the sanding mechanism to longitudinally feed towards the rotary die carrier.
Further, the sanding mechanism comprises a first mounting frame connected with the first longitudinal feeding mechanism, and a discharging disc, a receiving disc, a second servo motor and a sanding arm which are respectively arranged on the first mounting frame, wherein the sanding arm extends out of the lower side of the first mounting frame and can extend into an inner cavity of a workpiece, the discharging disc and the receiving disc are respectively used for discharging and receiving abrasive belts, the output end of the second servo motor is connected with the receiving disc, one end of the abrasive belts is wound on the discharging disc, and the other end of the abrasive belts is wound on the receiving disc after being coated on the outer side of the sanding arm.
Further, be provided with first feeding mechanism between sanding arm and the blowing dish, first feeding mechanism includes first clamping component and first feeding component, first clamping component is used for pressing from both sides tightly or unclamping the abrasive band that is close to blowing dish one side, first feeding component is including installing the first feeding power device on the mounting bracket, first feeding power device can selectively drive first clamping component is along the direction reciprocating motion of abrasive band, can keep away from the direction pulling abrasive band of blowing dish to the abrasive band after making first clamping component press from both sides tight abrasive band to and can be moved to the direction that the abrasive band is close to the blowing dish after first clamping component unclamped the abrasive band and realize the reset.
The sanding machine comprises a sanding arm, and is characterized in that a second feeding mechanism is arranged between the sanding arm and a receiving disc, the second feeding mechanism comprises a second clamping assembly and a second feeding assembly, the second clamping assembly is used for clamping or loosening an abrasive belt close to one side of the receiving disc, the second feeding assembly comprises a second feeding power device arranged on a mounting frame, the second feeding power device can selectively drive the second clamping assembly to reciprocate along the moving direction of the abrasive belt, the abrasive belt can be pulled towards the direction of the abrasive belt close to the receiving disc after being clamped by the second clamping assembly, and the abrasive belt can be moved towards the direction of the abrasive belt away from the receiving disc after being loosened by the second clamping assembly, so that reset is realized.
The first feeding mechanism and the second feeding mechanism can replace the second servo motor to complete the replacement of a part of abrasive belt, so that the load of the servo motor is reduced, the service life of the servo motor is prolonged, and the abrasive belt replacement mode with the structure is convenient and quick and is convenient for users to use.
Further, the sanding R angle station is provided with a grinding device, the grinding device comprises a grinding feeding mechanism and a grinding mechanism, the grinding feeding mechanism comprises a second transverse feeding mechanism and a second longitudinal feeding mechanism arranged on the second transverse feeding mechanism, the grinding mechanism is arranged on the second longitudinal feeding mechanism, the second transverse feeding mechanism drives the grinding mechanism and the second longitudinal feeding mechanism to transversely feed towards the direction of the rotary die frame together, the second longitudinal feeding mechanism drives the grinding mechanism to longitudinally feed towards the direction of the rotary die frame, the grinding mechanism comprises a grinding wheel which can extend into the inner cavity of the workpiece, and the grinding wheel is driven by a third servo motor to rotate so as to realize the grinding operation of the bottom fillet of the inner cavity of the workpiece.
Further, the dust removal station is provided with a dust collection device for cleaning the inner cavity of the workpiece, the dust collection device comprises a dust collection feeding mechanism and a dust collection mechanism, the dust collection feeding mechanism comprises a third transverse feeding mechanism and a third longitudinal feeding mechanism arranged on the third transverse feeding mechanism, the dust collection mechanism is arranged on the third longitudinal feeding mechanism, the third transverse feeding mechanism drives the dust collection mechanism and the third longitudinal feeding mechanism to transversely feed towards the direction of the rotary die frame together, the third longitudinal feeding mechanism drives the dust collection mechanism to longitudinally feed towards the direction of the rotary die frame, the dust collection mechanism comprises a dust collection arm which can extend into the inner cavity of the workpiece, a dust collection pipeline is arranged on the dust collection arm, the dust collection pipeline is connected with a negative pressure generating device, and the dust collection feeding mechanism drives a pipe orifice of the dust collection pipeline to move along the inner surface of the workpiece so as to absorb dust. .
Drawings
FIG. 1 is a perspective view of a multiple station sander
FIG. 2 is a top view of a multi-station sander
FIG. 3 is a schematic view of a manipulator
FIG. 4 is a schematic view of a sanding R-angle station
FIG. 5 is a schematic view of a dust removal station
Fig. 6 is a schematic structural view of a sanding device
Fig. 7 is a schematic structural view 1 of a sanding mechanism
Fig. 8 is a schematic structural view of a sanding mechanism 2
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, this embodiment provides a multi-station sander, including frame 1 and manipulator 2, be equipped with unloading station 3, coarse sand station and finish sand station on at least frame 1, coarse sand station and finish sand station are equipped with sand device s1 respectively, in a specific implementation, the coarse sand station is coarse sand inner chamber station, the finish sand station is finish sand inner chamber station 8, coarse sand inner chamber station includes coarse sand diapire station 4 and coarse sand lateral wall station 5, be equipped with dust removal station 7 between coarse sand lateral wall station 4 and the finish sand inner chamber station 8, be equipped with sand R angle station 6 between coarse sand lateral wall station 5 and the dust removal station 7, go up unloading station 3, coarse sand diapire station 4, coarse sand lateral wall station 5, sand R angle station 6, dust removal station 7, finish sand inner chamber station 8 along the circumferencial direction setting in order on frame 1, coarse sand diapire station 4, coarse sand lateral wall station 5, coarse sand R angle station 6, dust removal station 7 and finish sand inner chamber 8 are equipped with respectively and are used for fixed die carrier rotation work piece 9.
The manipulator 2 is disposed in the middle of the machine base 1, and includes a lifting mechanism 21, a rotating mechanism 22, a rotating shaft 23, and a manipulator 24 connected to the side of the rotating shaft 23 and corresponding to each station, where the number of the manipulator 24 corresponds to the number of actual stations, in this embodiment, six manipulators 24 are taken as an illustrative example, a gripper 25 for gripping a workpiece is disposed at an outer end of each manipulator 24, a portion of the rotary die frame 9 for installing the workpiece is defined as a workpiece reference, and the workpiece references of the stations are uniformly distributed on a rotation track of the gripper 25.
The lifting mechanism 21 drives the rotating shaft 23 to selectively ascend or descend, the gripper 25 selectively grabs or places the workpiece, and the rotating mechanism 22 drives the rotating shaft 23 to intermittently rotate at a preset angle, so that the mechanical arm 24 intermittently switches among the stations to realize the transfer of the workpiece among the stations.
Referring to fig. 1 and 2, the upper end surface of the rotary die frame 9 is defined as a machining reference surface 9a, the loading and unloading station 3 is provided with an loading and unloading reference surface 3a, the workpiece is respectively placed on the loading and unloading reference surface 3a and the machining reference surface 9a, and the loading and unloading reference surface 3a and the machining reference surface 9a of each station are arranged at equal heights.
Referring to fig. 2, the middle part of the rotary die frame 9 is provided with a mounting cavity 91 with an upward opening and matched with a workpiece, the workpiece is installed in the mounting cavity 91 with an upward opening, the rotary die frame 9 is provided with a negative pressure adsorption channel communicated with a negative pressure generating device, the negative pressure adsorption channel adsorbs the workpiece in the rotary die frame 9 through the negative pressure generated by the negative pressure generating device, and the rotary die frame 9 is connected with a driving motor so as to drive the workpiece in the mounting cavity 91 to rotate.
Referring to fig. 3, the lifting mechanism 21 is a first screw rod sliding seat mechanism disposed on the base 1, and includes a first screw rod 211 disposed vertically, first slide rails 212 disposed on two sides of the first screw rod 211, a first sliding seat 213 screwed with the first screw rod 211 and movably disposed on the first slide rails 212, and a first servo motor 214 driving the first screw rod 211 to rotate, where the rotating mechanism 22 is mounted on the first sliding seat 213, and an output end of the rotating mechanism is connected with the rotating shaft 23, and rotating the first screw rod 211 drives the first sliding seat 213 to control lifting of the rotating shaft 23 along the first slide rails 212.
Referring to fig. 1 and 3, the rotating mechanism 22 includes a rotating shaft connecting member 221 and a rotating shaft driving motor, one end of the rotating shaft connecting member 221 is connected with the first sliding seat 213, the other end extends upwards out of the base 1 and is provided with the rotating shaft driving motor, and an output end of the rotating shaft driving motor is connected with the rotating shaft 23.
Referring to fig. 1, 6-8, the sanding device s1 includes a sanding feeding mechanism and a sanding mechanism s1a, the sanding feeding mechanism includes a first infeed mechanism s1b and a first longitudinal feeding mechanism s1c disposed on the first infeed mechanism s1b, the sanding mechanism s1a is disposed on the first longitudinal feeding mechanism s1c, in a specific embodiment, the first infeed mechanism s1b and the first longitudinal feeding mechanism s1c are screw slide feeding mechanisms, the sanding mechanism s1a is disposed on a slide s1c1 of the first longitudinal feeding mechanism s1c, the first longitudinal feeding mechanism s1c is disposed on a slide s1b1 of the first infeed mechanism s1b, the first infeed mechanism s1b and the first longitudinal feeding mechanism s1c are respectively provided with a motor for driving the respective screw to rotate, the first infeed mechanism s1b drives the sanding mechanism s1a and the first longitudinal feeding mechanism s1c to rotate together in a corresponding direction of the die carrier s1c, and the first longitudinal feeding mechanism s1c is driven to rotate in a corresponding direction of the die carrier 1 c.
Referring to fig. 6 to 8, the sanding mechanism s1a includes a first mounting frame s11 connected with a slide seat s1c1 of a first longitudinal feeding mechanism s1c, a feeding disc s12, a receiving disc s13, a second servo motor, a sanding arm s15, a guiding mechanism s16 and an abrasive belt s17 which are respectively arranged on the first mounting frame s11, the sanding arm s15 is vertically arranged and extends out of the lower side of the first mounting frame s11, the feeding disc s12 and the receiving disc s13 are respectively used for feeding and receiving the abrasive belt s17, the output end of the second servo motor is connected with the receiving disc s13, the guiding mechanism s16 includes a plurality of guide posts s16a which are arranged on the first mounting frame s11, the guide posts s16a are respectively arranged between the feeding disc s12 and the sanding arm s15, and between the receiving disc s13 and the sanding arm s15, the sanding head s15a of the sanding arm s15 faces towards the top of the corresponding rotary die carrier 9, the sanding belt s17 is wound on the corresponding to the feeding disc s12, the other end of the sanding arm s17 is wound around the guide posts s16a corresponding to the abrasive belt s17, the abrasive belt s17 is wound around the outer side of the workpiece s17, the abrasive belt s is coated with the abrasive belt s17, the abrasive belt s is coated on the other end of the abrasive belt s17 is coated with the abrasive belt s17, the abrasive belt s is coated on the side of the abrasive belt s is coated with the abrasive belt s17, and the abrasive belt s is coated on the side of the abrasive belt s15, and the abrasive belt s is coated with the abrasive belt s15, the abrasive belt s is coated with the abrasive belt s15 is coated with abrasive belt s 15. The abrasive belt s17 in the sanding mechanism s1a can be selected and replaced according to the actual requirements of rough grinding and fine grinding, for example, the sanding mechanism s1a of the rough grinding station can adopt abrasive belts with lower mesh numbers, the sanding mechanism s1a of the fine grinding station can adopt abrasive belts with higher mesh numbers, and the fine grinding treatment can also be carried out by adopting scouring pads.
Referring to fig. 7 and 8, a first feeding mechanism s18 is disposed between the sanding arm s15 and the discharging disc s12, the first feeding mechanism s18 includes a first clamping assembly s18a and a first feeding assembly s18b, the first clamping assembly s18a is used for clamping or unclamping the abrasive belt s17 near one side of the discharging disc s12, the first feeding assembly s18b includes a first feeding power device s181 mounted on the first mounting frame s11, the first clamping assembly s18a includes a first connecting seat s182, a first clamping power device s183, a first movable clamping portion s184 and a first fixed clamping portion s185, the first clamping power device s183 and the first fixed clamping portion s185 are respectively mounted on the first connecting seat s182, the first feeding power device s181 and the first clamping power device s183 are preferably cylinders, the first feeding power device s181 includes a first feeding piston rod s181a, the first clamping power device s183 includes a first clamping piston rod s183a, the first feeding piston rod s181a of the first feeding power device s181 is connected with the first connecting seat s182, the first clamping piston rod s183a of the first clamping power device s183 is connected with the first movable clamping part s184, the abrasive belt s17 is arranged between the first movable clamping part s184 and the first fixed clamping part s185, the first clamping power device s183 drives the first movable clamping part s184 to be close to the first fixed clamping part s185 so as to clamp the abrasive belt s17 or to be far away from the first fixed clamping part s185 so as to loosen the abrasive belt s17, the first clamping assembly s18a can pull the abrasive belt s17 to the direction of the abrasive belt s17 away from the discharging disc s12 under the driving of the first feeding power device s181, and can move to the direction of the abrasive belt s17 to be close to the discharging disc s12 under the driving of the first feeding power device s181 after the first clamping assembly s18a loosens 17 so as to realize reset, the resetting of the first clamping assembly s18a is defined as the first feeding assembly s18b urging the first clamping assembly s18a back to the position before pulling the abrasive belt s 17.
Referring to fig. 7 and 8, a second feeding mechanism s19 is disposed between the sanding arm s15 and the receiving tray s13, the second feeding mechanism s19 includes a second clamping assembly s19a and a second feeding assembly s19b, the second clamping assembly s19a is used for clamping or unclamping the abrasive belt s17 on one side of the receiving tray s13, the second feeding assembly s19b includes a second feeding power device s191 mounted on the first mounting frame s11, the second clamping assembly s19a includes a second connecting seat s192, a second clamping power device s193, a second movable clamping portion s194 and a second fixed clamping portion s195, the second clamping power device s193 and the second fixed clamping portion s195 are respectively mounted on the second connecting seat s192, the second feeding power device s191 and the second clamping power device s193 are preferably cylinders, the second feeding power device s191 includes a second piston rod s191a, the second clamping power device s193 includes a second piston rod s193a, the second feeding piston rod s191a of the second feeding power device s191 is connected with the second connecting seat s192, the second clamping piston rod s193a of the second clamping power device s193 is connected with the second movable clamping part s194, the abrasive belt s17 is arranged between the second movable clamping part s194 and the second fixed clamping part s195, the second clamping power device s193 drives the second movable clamping part s194 to be close to the second fixed clamping part s195 so as to clamp the abrasive belt s17 or to be far away from the second fixed clamping part s195 so as to loosen the abrasive belt s17, the second clamping assembly s19a can pull the abrasive belt s17 towards the direction of the abrasive belt s17 close to the receiving disc s13 under the driving of the second feeding power device s191, and can move towards the direction of the abrasive belt s17 away from the receiving disc s13 under the driving of the second feeding power device s191 after the second clamping assembly s19a loosens 17 so as to realize reset, the resetting of the second clamping assembly s19a is defined as the second feeding assembly s19b urging the second clamping assembly s19a back to the position before pulling the sanding belt s 17.
Referring to fig. 7 and 8, as a preferable solution, the first movable clamping portion s184 and the second movable clamping portion s194 are clamping blocks, the first fixed clamping portion s185 and the second fixed clamping portion s195 are rollers, a first concave portion s184a adapted to the first fixed clamping portion s185 is provided on a side of the first movable clamping portion s184 close to the first fixed clamping portion s185, and the first movable clamping portion s184 moves along with the extension of the first clamping piston rod s183a of the first clamping power device s183, so that the first concave portion s184a and the first fixed clamping portion s185 can be detachably matched; the second movable clamping part s194 is provided with a second concave part s194a matched with the second fixed clamping part s195 on one side of the second movable clamping part s194 close to the second fixed clamping part s195, the second movable clamping part s194 moves along with the extension of a second clamping piston rod s193a of the second clamping power device s193, so that the second concave part s194a is detachably matched with the second fixed clamping part s195, the first movable clamping part s184 is compactly matched with the first fixed clamping part s185 and the second movable clamping part s194 is compactly matched with the second fixed clamping part s195, the abrasive belt s17 can be effectively clamped, slipping is prevented, and in addition, when the first movable clamping part s184 and the second movable clamping part s194 are matched, a component force for pulling the abrasive belt s17 is generated, so that the abrasive belt s17 is pulled.
As an improved scheme, the sanding mechanism is further provided with a buffering mechanism, the buffering mechanism comprises an elastic piece connected with the sanding head, the elastic piece can drive the sanding head to float up and down, when the sanding head encounters an uneven surface during working, the sanding head is driven to float up and down relative to the processing surface of the workpiece due to the floating effect of the elastic piece, so that the capability of the sanding head for coping with the workpiece with uneven processing surface is improved, and the sanding effect is improved.
The sanding mechanism s1a provided by the embodiment is provided with a first feeding mechanism s18 and a second feeding mechanism s19, wherein the first feeding mechanism s18 comprises a first clamping component s18a and a first feeding component s18b, and the second feeding mechanism s19 comprises a second clamping component s19a and a second feeding component s19b; one end of the abrasive belt s17 is wound on the discharging disc s12, the other end of the abrasive belt s17 is wound on the receiving disc s13 after bypassing the sanding arm s15, the first feeding mechanism s18 is arranged between the discharging disc s12 and the sanding arm s15, the second feeding mechanism s19 is arranged between the receiving disc s13 and the sanding arm s15, the receiving disc s13 is connected with a second servo motor, and the second servo motor is used for driving the receiving disc s13 to rotate so as to tighten the abrasive belt s17; the first clamping assembly s18a, the first feeding assembly s18b, the second clamping assembly s19a and the second feeding assembly s19b are respectively driven pneumatically. As a control mode, after the system sends a signal for updating the abrasive belt s17, the first clamping assembly s18a clamps the abrasive belt s17, and the inductive switch corresponding to the first clamping assembly s18a sends a signal so as to control the cylinder of the first feeding assembly s18b to work, and the first feeding assembly s18b drives the first clamping assembly s18a to pull the abrasive belt s17 out of the discharging disc s 12; after the above action is completed, the corresponding inductive switch of the first feeding assembly s18b sends out a signal to control the cylinder of the second clamping assembly s19a to work, the second clamping assembly s19a clamps the abrasive belt s17, after the above action is completed, the corresponding inductive switch of the second clamping assembly s19a sends out a signal to control the cylinder of the second feeding assembly s19b to work, the second feeding assembly s19b drives the second clamping assembly s19a to pull the abrasive belt s17 towards the direction of the receiving disc s13, after the above action is completed, the corresponding inductive switch of the second feeding assembly s19b sends out a signal to control the second servo motor to rotate to tighten the abrasive belt s17, redundant abrasive belt s17 is received in the receiving disc s13, one-time replacement of the abrasive belt s17 is completed, after the abrasive belt s17 is replaced, the first clamping assembly s18a and/or the second clamping assembly s19a clamps the abrasive belt s17, thereby fixing the current position of the abrasive belt s17, preventing the phenomenon occurring during polishing, as a preferable mode, in order to ensure the tension of the abrasive belt s17, the reset mechanism 18 s is reset when the second feeding mechanism is pulled to reset the first feeding mechanism s17, and the tension of the abrasive belt s17 is reset, and the distance is increased accordingly. The arrangement mode of the first feeding mechanism s18 and the second feeding mechanism s19 can replace the second servo motor to finish part of abrasive belt s17 replacement work, so that the burden of the second servo motor is lightened, the service life of the second servo motor is prolonged, and the mode of replacing the abrasive belt s17 by the structure is convenient and quick, so that the abrasive belt s17 is convenient for a user to use.
Referring to fig. 4, the sanding R-angle station 6 is provided with a grinding device, the grinding device comprises a grinding feeding mechanism and a grinding mechanism 62, the grinding feeding mechanism comprises a second transverse feeding mechanism 611 and a second longitudinal feeding mechanism 612 arranged on the second transverse feeding mechanism 611, the grinding mechanism 62 is arranged on the second longitudinal feeding mechanism 612, the second transverse feeding mechanism 611 drives the grinding mechanism 62 and the second longitudinal feeding mechanism 612 to transversely feed in the direction of the corresponding rotating die frame 9 together, the second longitudinal feeding mechanism 612 drives the grinding mechanism 62 to longitudinally feed in the direction of the corresponding rotating die frame 9, the grinding mechanism 62 comprises a grinding wheel 621 which can extend into the inner cavity of the workpiece, and the grinding wheel 621 is driven to rotate by a third servo motor 622 to realize the grinding operation of the bottom fillet of the inner cavity of the workpiece; in a specific embodiment, the second infeed mechanism 611 and the second longitudinal feeding mechanism 612 are screw-rod slide feeding mechanisms, the grinding mechanism 62 is arranged on a slide of the second longitudinal feeding mechanism 612, the second longitudinal feeding mechanism 612 is arranged on a slide of the second infeed mechanism 611, the second infeed mechanism 611 and the second longitudinal feeding mechanism 612 are respectively provided with a motor for driving the respective screw rods to rotate, the second infeed mechanism 611 drives the grinding mechanism 62 and the second longitudinal feeding mechanism 612 to transversely feed in the direction of the corresponding rotary die carrier 9 together, and the second longitudinal feeding mechanism 612 drives the grinding mechanism 62 to longitudinally feed in the direction of the corresponding rotary die carrier 9.
Referring to fig. 5, the dust removing station 7 is provided with a dust removing device for cleaning the inner cavity of the workpiece, the dust removing device comprises a dust removing feeding mechanism and a dust removing mechanism 72, the dust removing feeding mechanism comprises a third transverse feeding mechanism 711 and a third longitudinal feeding mechanism 712 arranged on the third transverse feeding mechanism 711, the dust removing mechanism 72 is arranged on the third longitudinal feeding mechanism 712, the third transverse feeding mechanism 711 drives the dust removing mechanism 72 and the third longitudinal feeding mechanism 712 to transversely feed in the direction of the corresponding rotating die frame 9 together, the third longitudinal feeding mechanism 712 drives the dust removing mechanism 72 to longitudinally feed in the direction of the corresponding rotating die frame 9, the dust removing mechanism 72 comprises a dust removing arm 721 which can extend into the inner cavity of the workpiece, a dust removing pipeline 722 is arranged on the dust removing arm 721, the dust removing pipeline 722 is connected with a negative pressure generating device, preferably, the negative pressure generating device can be a fan, the dust removing feeding mechanism drives the nozzle of the dust removing pipeline 722 to move along the inner surface of the workpiece, preferably, the dust removing mechanism 72 further comprises a brush body arranged on the dust removing arm 721, and the brush body is used for scraping the dust removing effect in the inner surface of the workpiece 722 when the dust removing arm moves. In a specific embodiment, the third infeed mechanism 711 and the third longitudinal feeding mechanism 712 are screw slide feeding mechanisms, the dust removing mechanism 72 is arranged on a slide of the third longitudinal feeding mechanism 712, the third longitudinal feeding mechanism 712 is arranged on a slide of the third infeed mechanism 711, the third infeed mechanism 711 and the third longitudinal feeding mechanism 712 are respectively provided with a motor for driving the respective screw rods to rotate, the third infeed mechanism 711 drives the dust removing mechanism 72 and the third longitudinal feeding mechanism 712 to transversely feed in the direction of the corresponding rotary die carrier 9 together, and the third longitudinal feeding mechanism 712 drives the dust removing mechanism 72 to longitudinally feed in the direction of the corresponding rotary die carrier 9.
Referring to fig. 1 to 3, in a specific embodiment, the working principle of the present invention is as follows: when the workpiece is transferred, the corresponding feeding mechanism of each station is reset to prevent interference, then the rotating shaft driving motor drives the mechanical arm 2 to descend to grab the workpiece, and then the mechanical arm ascends to anticlockwise rotate to transfer the workpiece, as shown in fig. 2, specifically, the rotating shaft 23 rotates to drive the gripping arm 25 to synchronously transfer the workpiece which is processed at the finishing sand inner cavity station 8 to the feeding and discharging station 3, transfer the workpiece which is processed at the dust removing station 7 to the finishing sand inner cavity station 8, transfer the workpiece which is processed at the sanding R angle station 6 to the dust removing station 7, transfer the workpiece which is processed at the rough sand side wall station 5 to the sanding R angle station 6, transfer the workpiece which is processed at the rough sand bottom wall station 4 to the rough sand side wall station 5, transfer the workpiece to be processed at the feeding and discharging station 3 to the rough sand bottom wall station 4, after the workpiece is in place, the mechanical arm 23 descends to release the workpiece and ascends to prevent interference, then the corresponding process of each station starts, and the workpiece transferring steps are repeated after the completion, and the cycle is repeated.
Compared with the prior art, the multi-station sander provided by the invention integrates the upper and lower material stations 3, the coarse sand bottom wall station 4, the coarse sand side wall station 5, the sanding R angle station 6, the dust removing station 7 and the fine sand inner cavity station 8 on the machine base 1, meanwhile, the stations are arranged in a mode of being distributed along the circumference, and synchronous material feeding, material discharging and workpiece transferring among the stations are realized by utilizing the six-arm mechanical arm 2.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (4)
1. The multi-station sander is characterized by comprising a machine base and a manipulator, wherein the machine base is at least provided with a feeding and discharging station, a coarse sand station and a fine sand station, the coarse sand station and the fine sand station are respectively provided with a rotary die carrier for fixing a workpiece and driving the workpiece to rotate, and the coarse sand station and the fine sand station are respectively provided with a sanding device;
the manipulator is arranged in the middle of the machine base and comprises a lifting mechanism, a rotating shaft and manipulator arms which are connected to the side part of the rotating shaft and correspond to the stations, a gripper for gripping a workpiece is arranged at the outer end of each manipulator arm, and workpiece references of the feeding and discharging station, the coarse sand station and the fine sand station are uniformly distributed on the rotating track of the gripper;
the lifting mechanism drives the rotating shaft to selectively ascend or descend, the gripper selectively grabs or places the workpiece, and the rotating mechanism drives the rotating shaft to intermittently rotate at a preset angle, so that the mechanical arm intermittently switches among stations, and the workpiece is transferred among the stations;
the coarse sand station is a coarse sand inner cavity station, the coarse sand inner cavity station comprises a coarse sand bottom wall station and a coarse sand side wall station, the fine sand station is a fine sand inner cavity station, a dust removing station is arranged between the coarse sand side wall station and the fine sand inner cavity station, the dust removing station is provided with a rotary die carrier for fixing a workpiece and driving the workpiece to rotate, the dust removing station is provided with a dust collecting device for cleaning the inner cavity of the workpiece, a sanding R-angle station is arranged between the coarse sand side wall station and the dust removing station, the sanding R-angle station is provided with a rotary die carrier for fixing the workpiece and driving the workpiece to rotate, and workpiece references of all stations are uniformly distributed on the rotary track of the gripper;
the grinding device comprises a grinding feeding mechanism and a grinding mechanism, wherein the grinding feeding mechanism comprises a second transverse feeding mechanism and a second longitudinal feeding mechanism arranged on the second transverse feeding mechanism, the grinding mechanism is arranged on the second longitudinal feeding mechanism, the second transverse feeding mechanism drives the grinding mechanism and the second longitudinal feeding mechanism to transversely feed towards the direction of the rotary die frame together, the second longitudinal feeding mechanism drives the grinding mechanism to longitudinally feed towards the direction of the rotary die frame, the grinding mechanism comprises a grinding wheel which can extend into the inner cavity of a workpiece, and the grinding wheel is driven by a third servo motor to rotate so as to realize the grinding operation of the bottom round angle of the inner cavity of the workpiece;
the dust collection device comprises a dust collection feeding mechanism and a dust collection mechanism, wherein the dust collection feeding mechanism comprises a third transverse feeding mechanism and a third longitudinal feeding mechanism arranged on the third transverse feeding mechanism, the dust collection mechanism is arranged on the third longitudinal feeding mechanism, the third transverse feeding mechanism drives the dust collection mechanism and the third longitudinal feeding mechanism to transversely feed towards the direction of the rotary die frame together, the third longitudinal feeding mechanism drives the dust collection mechanism to longitudinally feed towards the direction of the rotary die frame, the dust collection mechanism comprises a dust collection arm which can extend into the inner cavity of a workpiece, a dust collection pipeline is arranged on the dust collection arm, the dust collection pipeline is connected with a negative pressure generating device, and the dust collection feeding mechanism drives a pipe orifice of the dust collection pipeline to move along the inner surface of the workpiece so as to absorb dust;
the upper end face of the rotary die frame is defined as a machining reference face, the feeding and discharging stations are provided with feeding and discharging reference faces, and the feeding and discharging reference faces are arranged at equal heights with the machining reference faces of the stations.
2. A multi-station sander as set forth in claim 1, wherein: the lifting mechanism is a first screw rod sliding seat mechanism arranged on the machine base and comprises a first screw rod, first sliding rails, a first sliding seat and a first servo motor, wherein the first sliding rails are vertically arranged, the first sliding rails are respectively arranged on two sides of the first screw rod, the first sliding seat is in threaded connection with the first screw rod and movably arranged on the first sliding rails, the first servo motor is used for driving the first screw rod to rotate, the output end of the first servo motor is arranged on the first sliding seat, the rotating shaft is connected with the first sliding seat, the first sliding seat is driven by the first screw rod to move up and down along the first sliding rails to realize lifting of the rotating shaft, the rotating mechanism comprises a rotating shaft connecting piece and a rotating shaft driving motor, one end of the rotating shaft connecting piece is connected with the first sliding seat, the other end of the rotating shaft connecting piece extends upwards out of the machine base and is provided with the rotating shaft driving motor, and the output end of the rotating shaft driving motor is connected with the rotating shaft.
3. A multi-station sander as set forth in claim 1, wherein: the sanding device comprises a sanding feeding mechanism and a sanding mechanism, wherein the sanding feeding mechanism comprises a first transverse feeding mechanism and a first longitudinal feeding mechanism arranged on the first transverse feeding mechanism, the sanding mechanism is arranged on the first longitudinal feeding mechanism, the first transverse feeding mechanism drives the sanding mechanism and the first longitudinal feeding mechanism to transversely feed towards the direction of the rotary die carrier of the corresponding station, and the first longitudinal feeding mechanism drives the sanding mechanism to longitudinally feed towards the direction of the rotary die carrier.
4. A multi-station sander as set forth in claim 3, wherein: the sanding mechanism comprises a first mounting frame connected with the first longitudinal feeding mechanism, and a discharging disc, a receiving disc, a second servo motor and a sanding arm which are respectively arranged on the first mounting frame, wherein the sanding arm extends out of the lower side of the first mounting frame and can extend into an inner cavity of a workpiece, the discharging disc and the receiving disc are respectively used for discharging and receiving abrasive belts, the output end of the second servo motor is connected with the receiving disc, one end of the abrasive belts is wound on the discharging disc, and the other end of the abrasive belts is wound on the receiving disc after being coated on the outer side of the sanding arm.
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| CN2018103575422 | 2018-04-20 | ||
| CN201810357542 | 2018-04-20 |
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| CN109551343B (en) * | 2019-01-19 | 2020-03-24 | 埃飞灵卫浴科技集团有限公司 | Full-automatic continuous polishing machine |
| CN110328588A (en) * | 2019-08-15 | 2019-10-15 | 广东凌丰五金装备科技股份有限公司 | A kind of adjustable abrasive band winding/unwinding device of the amount of feeding |
| CN112007873A (en) * | 2020-07-30 | 2020-12-01 | 重庆辉虎催化剂有限公司 | Automobile catalyst converter carrier detection device |
| CN114043367B (en) * | 2021-11-26 | 2022-10-11 | 徐州顺达钢轮制造有限公司 | Do benefit to burnishing device of getting rid of inside and outside residual dirt of wheel hub |
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