CN111571331B - Automatic feeding and discharging device for grinding shaft workpieces - Google Patents
Automatic feeding and discharging device for grinding shaft workpieces Download PDFInfo
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- CN111571331B CN111571331B CN202010407143.XA CN202010407143A CN111571331B CN 111571331 B CN111571331 B CN 111571331B CN 202010407143 A CN202010407143 A CN 202010407143A CN 111571331 B CN111571331 B CN 111571331B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
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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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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Abstract
The invention relates to an automatic feeding and discharging device for grinding shaft workpieces, which comprises a rack, wherein a first tip, a second tip and a chicken heart chuck are arranged on the rack, the first tip is positioned at the right end of a fixed block arranged on the frame, the rotating disc and the first tip are coaxially arranged, the rotating disc is rotationally connected with the fixed block, a positioning column for positioning the heart-shaped chuck is arranged on the rotating disc, the positioning column is positioned at one side of the first tip and arranged in the same direction as the first tip, the frame is provided with a rotary driving mechanism for driving the rotating disc to rotate, the second centre is arranged on a moving block, the moving block drives the second centre to axially move through a first cylinder fixedly arranged on the frame, the machine frame is also provided with a locking mechanism for locking the heart-shaped chuck and a pushing mechanism for controlling the heart-shaped chuck to release the shaft-shaped workpiece. The invention has the characteristics of mechanical and automatic separation of the heart-shaped chuck and the shaft parts, easiness, time saving, high efficiency and the like.
Description
Technical Field
The invention belongs to a feeding and discharging device, and particularly relates to an automatic feeding and discharging device for grinding shaft workpieces.
Background
Grinding machines are machine tools for grinding the surface of a workpiece by using a grinding tool, most grinding machines use a grinding wheel rotating at a high speed for grinding, and in the actual use process of the grinding machines, people clamp the workpiece by using a heart-shaped clamping head.
However, before and after the shaft workpiece is ground, the mechanical arm can be used for feeding and discharging the shaft workpiece, the heart-shaped chuck is always fixed on the shaft part, if the heart-shaped chuck and the shaft part are manually separated, great labor and time are consumed, and the feeding and discharging efficiency is low, so that the tool capable of automatically separating the shaft part from the heart-shaped chuck through the mechanical arm is needed.
Disclosure of Invention
The invention aims to provide an automatic feeding and discharging device for grinding shaft workpieces, and solves the problems that manual separation of a heart-shaped chuck and shaft parts in the prior art is labor-consuming, time-consuming, low in efficiency and the like.
The technical purpose of the invention is mainly solved by the following technical scheme: the utility model provides an axle type is automatic feeding unloader for workpiece grinding, includes the frame, be equipped with in the frame and be used for the first top of centre gripping axle type work piece and level setting, cooperate and the relative second top that sets up with first top and be used for the heart chuck of fastening with axle type work piece, first top is located the fixed block right-hand member of locating in the frame, and rotary disk and first top coaxial setting, the rotary disk rotates with the fixed block to be connected, be equipped with the reference column that is used for the heart chuck location on the rotary disk, the reference column is located one side of first top and sets up with first top syntropy, be equipped with in the frame and be used for driving rotary disk pivoted rotary driving mechanism, the second is top to be located on the movable block, the movable block drives the top axial displacement of second through setting firmly the first cylinder drive in the frame, still be equipped with in the frame and be used for locking the locking mechanism of heart chuck and be used for controlling the heart chuck and release the horizontal pushing mechanism of axle type work piece (ii) a Through the top setting of above-mentioned first top and second, make axle type work piece can be realized through two tops and tightly be pressed from both sides, guarantee the centre gripping of axle type work piece stable, and the setting of reference column, so that realize the location alignment to the heart of a chicken heart chuck through the reference column, trouble and inefficiency when avoiding manual operation, and locking mechanism and horizontal pushing mechanism's setting, make the manipulator can overlap the cooperation through locking mechanism and horizontal pushing mechanism and get the material to axle type work piece, full-automatic material loading and unloading have been realized, effectual improvement work efficiency, the positioning accuracy to the heart of a chicken heart chuck has been guaranteed, more time-saving is high-efficient.
Preferably, the positioning column is connected with the rotating disc through a fixed cylinder and can axially extend and retract in the fixed cylinder, an annular outer bulge in sliding fit with the inner wall of the fixed cylinder is arranged at the inner end of the positioning column, one end of the fixed cylinder is fixedly connected with the rotating disc, an annular inner bulge for limiting the annular outer bulge of the positioning column to be separated from the inner edge of the other end of the fixed cylinder is arranged at the inner edge of the other end of the fixed cylinder, and a first return spring is arranged between the annular outer bulge and the rotating disc; through the setting of the annular outer bulge and the annular inner bulge, the positioning column can freely move in the fixed cylinder and is separated from the fixed cylinder when the positioning column is prevented from moving, the first reset spring is arranged, the positioning column can automatically reset, stretching and retracting are achieved, and when the positioning column is extruded by the heart-shaped chuck, the positioning column can contract, and the situation that the heart-shaped chuck is blocked by the positioning column to cause that the shaft-type workpiece cannot be clamped between the top end of the shaft-shaped workpiece is avoided.
Preferably, the second tip penetrates through the moving block and extends out of one end of the moving block, a fixed housing is fixedly arranged at the other end of the moving block, an induction module used for inducing the position of the second tip is arranged at the end part of the fixed housing, a convex part extending into the fixed housing is arranged at the inner end of the second tip, the convex part is arranged in a suspended mode, a second reset spring is fixedly arranged between the inner end of the second tip and the fixed housing, one end of the moving block is connected with a piston rod of the first cylinder, and the bottom end of the moving block is slidably connected with a slide rail fixedly arranged on the rack; through the setting of above-mentioned induction module, whether in order to detect the second top shrink to fixed housing bottom completely, thereby make the second top and first top cooperation through the control of first cylinder, guarantee that top can thoroughly centre the axle type work piece, guarantee that first top and second top press from both sides thoroughness and the steadiness of dress to axle type work piece, and convex part and second reset spring's setting, make above-mentioned second top press from both sides when pressing from both sides the axle type work piece of dress different specifications, the second top can contract automatically, with the axle type work piece of adaptation different specifications, thereby guarantee to carry out the clamp dress that stabilizes to the axle type work piece of different specifications.
Preferably, the rotary driving mechanism comprises a rotating shaft which is connected with the rotating disc and is coaxially arranged, and a second air cylinder which is arranged on the rack, the end part of a piston rod of the second air cylinder is connected with the outer side of one side of the L-shaped connecting block, the outer side of the other side of the L-shaped connecting block is connected with the moving seat, the bottom of the moving seat is matched with an auxiliary slide rail which is arranged on the rack, the moving seat can move on the auxiliary slide rail, a horizontally arranged limit screw is arranged on the inner side of one side, which is connected with the second air cylinder, of the L-shaped connecting block, the limit screw is fixed on an L-shaped fixed block which is arranged on the rack, a space is arranged between the front end of the limit screw and the L-shaped connecting block, and the limit screw is in threaded fit with the L-shaped fixed block; through the setting of above-mentioned second cylinder for remove the seat and can remove on supplementary slide rail through the drive of second cylinder, so that fix a position the alignment to the heart-shaped chuck, and the setting of L type connecting block, when playing the linkage effect, can inject the removal stroke of removing the seat through spacing screw, guarantee the uniformity of the removal stroke of removing the seat, spacing between spacing screw and the L type fixed block is adjustable simultaneously, so that carry out the regulation of interval according to the axle type work piece of different specifications, increase application scope.
Preferably, a rack is fixedly arranged at the upper end of the movable seat, a gear ring meshed with the rack is arranged on the rotating shaft, the end part of the rotating shaft is fixedly connected with the rotating disc through an annular fixed block, the annular fixed block is rotatably connected with the fixed block, and the annular fixed block is rotatably connected with the first tip; through the cooperation setting of above-mentioned rack and ring gear for the second cylinder can rotate through the cooperation control rotary disk of rack and ring gear, thereby fixes a position the alignment to the heart-shaped chuck, and the setting of annular fixed block makes the rotary disk rotate through the control of ring gear, and first top can not rotate thereupon, thereby avoids heart-shaped chuck and reference column synchronous rotation, and makes the reference column can't fix a position the alignment to the heart-shaped chuck.
Preferably, the transverse pushing mechanism comprises a plurality of transverse pushing groups, each transverse pushing group comprises a third air cylinder and a guide rail, the third air cylinder is arranged on the rack, the end part of a piston rod of the third air cylinder is connected with a connecting block arranged on the guide rail, the connecting block can move on the guide rail, a supporting rod is arranged on the upper surface of the connecting block, a plurality of downwards extending shifting blocks are arranged on the side wall of the supporting rod, and a contact block capable of horizontally rotating is arranged at the bottom end of each shifting block; through the setting of above-mentioned third cylinder for the connecting block can drive the bracing piece and remove on the guide rail, thereby can drive the shifting block and remove towards the heart chuck, makes the heart chuck cancel the fixed of counter shaft type work piece, so that take out axle type part, and the setting of contact piece makes the in-process that driving lever and shifting block separated gradually, can increase smooth and easy nature along with the rotation of contact piece and separate, reducing wear.
Preferably, the chicken heart chuck comprises a fixing ring for shaft workpieces to pass through, a plurality of fastening screws which penetrate through the fixing ring and are in threaded fit with the fixing ring are arranged on the side wall of the fixing ring, and a shifting rod which is pushed by a shifting block to rotate and can be abutted against the contact block is further arranged on the side wall of the fixing ring; through the arrangement of the fastening screw and the shifting rod, the shaft workpiece can be fixed in the fixing ring, and the shaft workpiece can be loosened through rotation of the shifting rod.
Preferably, the shifting lever is rotatably connected with the fixing ring through a cylindrical fastening block at the end part, the cylindrical fastening block is of an eccentric structure on the fixing ring, and a third return spring fixedly connected with the fixing ring is fixedly arranged on one side, opposite to the rotating direction of the shifting lever pushed by the shifting block, of the shifting lever; through the setting to cylindricality holding block for above-mentioned driving lever can realize the automatic locking to the axle type work piece through cylindricality holding block and third reset spring, and can realize loosening to the axle type work piece through stirring to the driving lever, makes unloading and the material loading of axle type work piece on the heart chuck more simple and convenient.
Preferably, the locking mechanism comprises a plurality of base plates arranged on the rack, a round hole coaxial with a ring of the fixing ring is arranged in the middle of each base plate, a limiting protrusion protruding upwards and matched with the fastening screw and the shifting lever is arranged at the upper end of each base plate, and clamping jaws matched with and arranged opposite to the limiting protrusions are respectively arranged at the upper end of each base plate corresponding to two sides of the heart-shaped chuck; through the setting of above-mentioned round hole for the heart chuck is in the fixed back of cancellation counter shaft class work piece, and axle class work piece still can realize fixing through the round hole, avoids axle class work piece to drop and leads to the manipulator can't collect, and the setting of spacing protruding and clamping jaw makes above-mentioned heart chuck can obtain to press from both sides tight fixedly, with the position of guaranteeing the heart chuck on the chassis, avoids the skew of heart chuck, and the clamping of influence counter shaft class part with get the material.
Preferably, the locking mechanism comprises a fourth cylinder arranged at the bottom of the frame, a horizontally arranged connecting plate is fixedly arranged at the end part of a piston cylinder of the fourth cylinder, a first auxiliary sliding block is arranged on the upper surface of the connecting plate, a second auxiliary sliding block matched with the first auxiliary sliding block is arranged at the bottom of the frame, a vertically arranged supporting plate is arranged at the outer side of the connecting plate, the end part of the clamping jaw is matched with a strip-shaped hole on the supporting plate through a bolt to be connected with the supporting plate, and a plurality of notches corresponding to the chassis in number are arranged on the supporting plate; through the setting of first supplementary slider and the supplementary slider of second for the connecting plate can obtain supporting when removing, alleviates the bending force of fourth cylinder, the setting in bar hole, so that adapt to the heart of chicken chuck of different specifications, through the setting of fourth cylinder, make the clamping jaw can the back-and-forth movement on the chassis, thereby can cooperate with spacing protruding, realize the locking and the relaxation of heart of chicken chuck.
Therefore, the invention has the characteristics of mechanical and automatic separation of the heart-shaped chuck and the shaft parts, easiness, time saving, high efficiency and the like.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
fig. 3 is a schematic view of the arrangement of the first centre and the rotating disc in fig. 1 in cooperation;
figure 4 is a schematic view of the arrangement of figure 1 with the second centre and the moving mass cooperating;
fig. 5 is a perspective view of the heart-shaped clamp of fig. 1.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1-5, an automatic feeding unloader is used in grinding of axle type work piece, includes frame 1, its characterized in that: the machine frame 1 is provided with a first centre 21 which is used for clamping a shaft-type workpiece and is horizontally arranged, a second centre 31 which is matched with the first centre 21 and is oppositely arranged, and a chicken heart chuck 41 which is used for fastening the shaft-type workpiece, the first centre 21 is positioned at the right end of a fixed block 22 arranged on the machine frame 1, a rotating disc 23 is coaxially arranged with the first centre 21, the rotating disc 23 is rotatably connected with the fixed block 22, the rotating disc 23 is provided with a positioning column 231 which is used for positioning the chicken heart chuck 41, the positioning column 231 is positioned at one side of the first centre 21 and is arranged in the same direction with the first centre 21, the machine frame 1 is provided with a rotary driving mechanism which is used for driving the rotating disc 23 to rotate, the second centre 31 is arranged on a moving block 32, the moving block 32 drives the second centre 31 to axially move through a first air cylinder 33 fixedly arranged on the machine frame 1, the machine frame 1 is also provided with a locking mechanism which is used for locking the chicken heart chuck 41 and a transverse pushing mechanism which is used for controlling the chicken heart chuck 41 to release the shaft-type workpiece, through the top setting of above-mentioned first top and second, make axle type work piece can be realized through two tops and tightly be pressed from both sides, guarantee the centre gripping of axle type work piece stable, and the setting of reference column, so that realize the location alignment to the heart of a chicken heart chuck through the reference column, trouble and inefficiency when avoiding manual operation, and locking mechanism and horizontal pushing mechanism's setting, make the manipulator can overlap the cooperation through locking mechanism and horizontal pushing mechanism and get the material to axle type work piece, full-automatic material loading and unloading have been realized, effectual improvement work efficiency, the positioning accuracy to the heart of a chicken heart chuck has been guaranteed, more time-saving is high-efficient.
After a shaft workpiece is ground, a mechanical arm takes the shaft workpiece off a grinding machine, one end of the shaft workpiece is aligned to a first center, the other end of the shaft workpiece is aligned to a second center, a first air cylinder is started, the first air cylinder drives the second center to move towards the first center and gradually abuts against the shaft workpiece, then a rotary driving mechanism is started, the rotary driving mechanism controls a positioning column to rotate around the first center, the number of rotating turns is more than one, the positioning column can touch a shifting lever on a heart chuck in a rotating stroke when rotating, then the heart chuck is driven to rotate until the positioning column stops rotating, the heart chuck is successfully positioned, the number of rotating turns of the positioning column each time is consistent, the direction of the shifting lever on the heart chuck is consistent each time, the shaft workpiece and the heart chuck after positioning and alignment are controlled by the mechanical arm to move to a locking mechanism for fixing, and then a transverse pushing mechanism is started, the locking to the shaft type work piece is released to the heart chuck, thereby the axle type work piece is carried to other places to the manipulator of taking off, then the manipulator is got and is taken new axle type work piece, inserts axle type work piece on the heart chuck, and the heart chuck is fixed to the shaft type work piece, fixes the back with the axle type work piece, picks up axle type work piece and heart chuck through the manipulator, carries it to the grinding machine and carries out abrasive machining.
The positioning post 231 is connected with the rotating disk 23 through the fixed cylinder 232 and the positioning post 231 can axially extend and retract in the fixed cylinder 232, the inner end of the positioning post 231 is provided with an annular outer bulge 233 which is in sliding fit with the inner wall of the fixed cylinder 232, one end of the fixed cylinder 232 is fixedly connected with the rotating disk 23, the inner edge of the other end of the fixed cylinder 232 is provided with an annular inner bulge 234 which limits the annular outer bulge 233 of the positioning post 231 to be separated, a first return spring 235 is arranged between the annular outer bulge 233 and the rotating disk 23, the positioning post can freely move in the fixed cylinder through the arrangement of the annular outer bulge and the annular inner bulge, the separation of the positioning post from the fixed cylinder when moving is avoided, the arrangement of the first return spring enables the positioning post to automatically reset and extend and retract, when the positioning post is extruded by the heart-shaped chuck, the shaft-shaped workpiece cannot be clamped to the top due to the obstruction of the positioning post, when fixing axle type work piece to two top on, the driving lever on the heart chuck has certain probability extrusion on the reference column, and the reference column shrink to fixed section of thick bamboo this moment in, first reset spring shrink, with axle type work piece fixed back, rotate the reference column again, thereby the reference column can leave the driving lever, and the reference column receives first reset spring's effect and stretches out fixed section of thick bamboo again to can continue to drive the heart chuck and rotate, fix a position the alignment.
The rotary driving mechanism comprises a rotating shaft 24 which is connected with the rotating disk 23 and is coaxially arranged, and a second cylinder 25 which is arranged on the frame 1, the end part of a piston rod of the second cylinder 25 is connected with the outer side of one side of an L-shaped connecting block 26, the outer side of the other side of the L-shaped connecting block 26 is connected with a movable seat 27, the bottom of the movable seat 27 is matched with an auxiliary slide rail 12 which is arranged on the frame 1, and the movable seat 27 can move on the auxiliary slide rail 12, a horizontally arranged limit screw 261 is arranged on the inner side of one side, which is connected with the second cylinder 25, of the L-shaped connecting block 26, the limit screw 261 is fixed on an L-shaped fixed block 262 which is arranged on the frame 1, a distance is arranged between the front end of the limit screw 261 and the L-shaped connecting block 26, the limit screw 261 is in threaded fit with the L-shaped fixed block 262, and the movable seat can move on the auxiliary slide rail by the driving of the second cylinder through the arrangement of the second cylinder, the positioning and alignment of the chicken heart chuck are facilitated, the arrangement of the L-shaped connecting block plays a role in linkage, the moving stroke of the moving seat can be limited through the limiting screw, the consistency of the moving stroke of the moving seat is guaranteed, and meanwhile, the distance between the limiting screw and the L-shaped fixing block is adjustable, so that the distance can be adjusted according to shaft workpieces of different specifications, and the application range is enlarged; the rack 271 is fixedly arranged at the upper end of the moving seat 27, the gear ring 241 meshed with the rack 271 is arranged on the rotating shaft 24, the end part of the rotating shaft 24 is fixedly connected with the rotating disk 23 through the annular fixing block 28, the annular fixing block 28 is rotatably connected with the fixing block 22, the annular fixing block 28 is rotatably connected with the first tip 21, and the second cylinder can rotate through the rotating disk controlled by the matching of the rack and the gear ring through the matching of the rack and the gear ring, so that the heart-shaped chuck is positioned and aligned, the annular fixing block is arranged, the rotating disk can rotate through the control of the gear ring, the first tip cannot rotate along with the rotating disk, the synchronous rotation of the heart-shaped chuck and the positioning column is avoided, and the positioning column cannot position and align the heart-shaped chuck.
After the shaft workpieces are fixed on the first top and the second top, the second air cylinder is started, the second air cylinder pushes the L-shaped connecting block to move towards the limiting screw, the L-shaped connecting block drives the moving seat to move, the moving seat drives the rack to move, the rack moves to drive the rotating shaft to rotate through the gear ring, the rotating shaft drives the positioning column to rotate through the rotating disc, the rotatable number of turns of the positioning column is limited by the distance between the limiting screw and the L-shaped connecting block, when the specifications of the shaft workpieces are inconsistent, the limiting screw can be rotated, the distance between the limiting screw and the L-shaped connecting block is changed, and therefore the shaft workpieces of different specifications can be adapted; when the rotating disc rotates, the first tip is kept unchanged, and when the positioning column touches the shifting rod, the positioning column can drive the chicken heart chuck and the first tip to rotate together.
The second centre 31 penetrates through the moving block 32 and extends out of one end of the moving block 32, the other end of the moving block 32 is fixedly provided with a fixed housing 34, the end part of the fixed housing 34 is provided with an induction module 341 for inducing the position of the second centre 31, the inner end of the second centre 31 is provided with a convex part 311 extending into the fixed housing 34, the convex part 311 is arranged in a suspended manner, a second reset spring 342 is fixedly arranged between the inner end of the second centre 31 and the fixed housing 34, one end of the moving block 32 is connected with a piston rod of a first cylinder 33, the bottom end of the moving block 32 is in sliding connection with a slide rail 11 fixedly arranged on the frame 1, through the arrangement of the induction module, whether the second centre is completely contracted to the bottom of the fixed housing is conveniently detected, so that the second centre is matched with the first centre through the control of the first cylinder, the shaft type workpiece can be completely clamped by the centres, and the thoroughness and the stability of the clamping of the first centre and the second centre on the workpiece are ensured, the convex part and the second return spring are arranged, so that when the second centre is used for clamping shaft workpieces with different specifications in an extrusion manner, the second centre can automatically contract to adapt to the shaft workpieces with different specifications, and the shaft workpieces with different specifications can be stably clamped; after the second top moves towards the end of axle type work piece, the second top pushes up the axle type work piece, along with the continuous removal of movable block, the second top keeps the contact with axle type work piece, and the convex part of second top tip portion can get into fixed housing gradually, second reset spring lasts the shrink, until the second top can't remove, the thorough pair of axle type work piece of second top supports the centre gripping this moment, when pressing from both sides the axle type work piece of tight different specifications, whether the tip of response module response second top moves to the end, thereby control opening of first cylinder stops, guarantee accurate controllability, avoid first cylinder to remove excessively and lead to the damage of part.
The locking mechanism comprises a plurality of chassis 52 arranged on the rack 1, the middle part of the chassis 52 is provided with a round hole 521 which is coaxial with a round ring of the fixing ring 411, the upper end of the chassis 52 is provided with a limit protrusion 522 which protrudes upwards and is matched with the fastening screw 412 and the deflector rod 413, the upper end of each chassis 52 is respectively provided with a clamping jaw 53 which is matched with the limit protrusion 522 and is arranged oppositely corresponding to two sides of the chicken heart chuck 41, through the arrangement of the round holes, after the chicken heart chuck cancels the fixation of the shaft workpiece, the shaft workpiece can still be fixed through the round holes, the phenomenon that the shaft workpiece falls off and cannot be collected by a manipulator is avoided, and the arrangement of the limit protrusion and the clamping jaw ensures that the chicken heart chuck can be clamped and fixed, so that the position of the chicken heart chuck on the chassis is ensured, the deviation of the chicken heart chuck is avoided, and the clamping and the material taking of the shaft part are influenced; the locking mechanism comprises a fourth cylinder 54 arranged at the bottom of the frame 1, a horizontally arranged connecting plate 55 is fixedly arranged at the end part of a piston cylinder of the fourth cylinder 54, a first auxiliary slide block 551 is arranged on the upper surface of the connecting plate 55, a second auxiliary slide block 13 matched with the first auxiliary slide block 551 is arranged at the bottom of the frame 1, a vertically arranged supporting plate 56 is arranged at the outer side of the connecting plate 55, the end part of the clamping jaw 53 is mutually matched with a strip-shaped hole 561 on the supporting plate 56 through a bolt, the supporting plate 56 is provided with a plurality of notches 562 corresponding to the number of the chassis 52, the connecting plate can be supported when moving through the arrangement of the first auxiliary slide block and the second auxiliary slide block, the bending acting force of the fourth cylinder is reduced, the strip-shaped hole is arranged so as to be suitable for chicken heart chucks of different specifications, and the clamping jaw can move back and forth on the chassis through the arrangement of the fourth cylinder, thereby can cooperate with spacing protruding, realize locking and relaxing to the heart chuck.
After the heart chuck location alignment, the manipulator is vertical to be placed on the chassis with the heart chuck, and the round hole is inserted to the one end of axle type work piece, places the heart chuck according to spacing arch, then starts the fourth cylinder, and the fourth cylinder passes through the connecting plate and drives the backup pad removal, and the backup pad drives the chuck and removes, moves towards spacing arch, to the fastening screw centre gripping, takes off axle type work piece after, and the heart chuck just stays the chassis to it is fixed to be convenient for unprocessed axle type work piece to insert.
The transverse pushing mechanism comprises a plurality of transverse pushing groups 51, each transverse pushing group 51 comprises a third air cylinder 511 and a guide rail 512 which are arranged on the rack 1, the end part of a piston rod of the third air cylinder 511 is connected with a connecting block 513 arranged on the guide rail 512, the connecting block 513 can move on the guide rail 512, a support rod 514 is arranged on the upper surface of the connecting block 513, a plurality of downwards extending shifting blocks 515 are arranged on the side wall of the support rod 514, a contact block 516 capable of horizontally rotating is arranged at the bottom end of each shifting block 515, through the arrangement of the third cylinder, the connecting block can drive the supporting rod to move on the guide rail, thereby driving the shifting block to move towards the heart-shaped chuck, enabling the heart-shaped chuck to cancel the fixation of the shaft-shaped workpiece so as to be convenient for taking out the shaft-shaped part, the contact block is arranged, so that the shifting lever and the shifting block can be separated along with the rotation of the contact block in the process of gradually separating, the smoothness is improved, and the abrasion is reduced; the chicken-heart chuck 41 comprises a fixing ring 411 for the shaft workpieces to pass through, a plurality of fastening screws 412 which penetrate through the fixing ring 411 and are in threaded fit with the fixing ring 411 are arranged on the side wall of the fixing ring 411, a shifting rod 413 which is pushed by a shifting block 515 to rotate and can be abutted against a contact block 516 is further arranged on the side wall of the fixing ring 411, the shaft workpieces can be fixed in the fixing ring through the arrangement of the fastening screws and the shifting rod, and the shaft workpieces can be loosened through the rotation of the shifting rod; deflector rod 413 rotates with fixed ring 411 through the cylindricality mounting block 414 of tip and is connected and cylindricality mounting block 414 be eccentric structure on fixed ring 411, deflector rod 413 is gone up and is promoted deflector rod 413 rotation direction opposite side with deflector rod 515 and has set firmly third reset spring 415 with fixed ring 411 fixed connection, through the aforesaid setting to the cylindricality mounting block, make above-mentioned deflector rod can realize the automatic locking to axle type work piece through cylindricality mounting block and third reset spring, and can realize the relaxation to axle type work piece through stirring to the deflector rod, make the unloading of axle type work piece on the heart chuck and more simple and convenient of material loading.
After the heart chuck is fixed on the chassis, the third cylinder is started, the supporting rod is driven to move through the connecting block, the supporting rod drives the shifting block to move towards the shifting rod, the shifting rod is pushed, after the shifting rod rotates, the cylindrical fastening block is separated from the side wall of the shaft workpiece, clamping of the shaft workpiece is cancelled, then the shaft workpiece is taken out, after the shaft workpiece is taken out, the third cylinder is driven reversely, the shifting block is driven to move reversely through the supporting rod, pushing of the shifting rod is cancelled, unprocessed shaft workpiece can be inserted into the fixing ring again before pushing of the shifting rod is cancelled, then after pushing of the shifting rod is cancelled, the shaft workpiece is clamped automatically, and processing at the next time is facilitated.
Claims (8)
1. The utility model provides an axle type is automatic feeding unloader for workpiece grinding, includes frame (1), its characterized in that: the shaft workpiece clamping device is characterized in that a first center (21) which is used for clamping a shaft workpiece and is horizontally arranged, a second center (31) which is matched with the first center (21) and is oppositely arranged, and a chicken heart chuck (41) which is used for fastening the shaft workpiece are arranged on the rack (1), the first center (21) is positioned at the right end of a fixed block (22) arranged on the rack (1), a rotating disc (23) is coaxially arranged with the first center (21), the rotating disc (23) is rotatably connected with the fixed block (22), a positioning column (231) which is used for positioning the chicken heart chuck (41) is arranged on the rotating disc (23), the positioning column (231) is positioned at one side of the first center (21) and is arranged in the same direction as the first center (21), a rotary driving mechanism which is used for driving the rotating disc (23) to rotate is arranged on the rack (1), and the second center (31) is arranged on a moving block (32), the moving block (32) drives the second tip (31) to move axially through a first air cylinder (33) fixedly arranged on the rack (1), a locking mechanism used for locking the chicken heart chuck (41) and a transverse pushing mechanism used for controlling the chicken heart chuck (41) to release shaft workpieces are further arranged on the rack (1), the rotary driving mechanism comprises a rotating shaft (24) connected with the rotating disk (23) and coaxially arranged and a second air cylinder (25) arranged on the rack (1), the end part of a piston rod of the second air cylinder (25) is connected with the outer side of one side of an L-shaped connecting block (26), the outer side of the other side of the L-shaped connecting block (26) is connected with a moving seat (27), the bottom of the moving seat (27) is matched with an auxiliary sliding rail (12) arranged on the rack (1), the moving seat (27) can move on the auxiliary sliding rail (12), and a horizontally arranged limiting position is arranged on the inner side of one side, connected with the second air cylinder (25), of the L-shaped connecting block (26) The screw rod (261), on locating L type fixed block (262) on frame (1) and be equipped with the interval between front end and the L type connecting block (26) of limit screw (261) spacing screw (261), be screw-thread fit between limit screw (261) and L type fixed block (262), the upper end of removing seat (27) has set firmly rack (271), be equipped with ring gear (241) with rack (271) meshing on pivot (24), the tip of pivot (24) passes through annular fixed block (28) and rotary disk (23) fixed connection, be the rotation connection between annular fixed block (28) and fixed block (22), be the rotation connection between annular fixed block (28) and first top (21).
2. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 1, which is characterized in that: the positioning column (231) is connected with the rotating disc (23) through the fixed cylinder (232), the positioning column (231) can axially move in the fixed cylinder (232) in a telescopic mode, an annular outer bulge (233) in sliding fit with the inner wall of the fixed cylinder (232) is arranged at the inner end of the positioning column (231), one end of the fixed cylinder (232) is fixedly connected with the rotating disc (23), an annular inner bulge (234) for limiting the annular outer bulge (233) of the positioning column (231) to be separated from is arranged at the inner edge of the other end of the fixed cylinder (232), and a first return spring (235) is arranged between the annular outer bulge (233) and the rotating disc (23).
3. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 1, which is characterized in that: the second tip (31) penetrates through the moving block (32) and extends out of one end of the moving block (32), a fixed housing (34) is fixedly arranged at the other end of the moving block (32), an induction module (341) used for inducing the position of the second tip (31) is arranged at the end portion of the fixed housing (34), a convex portion (311) extending into the fixed housing (34) is arranged at the inner end of the second tip (31), the convex portion (311) is arranged in a suspended mode, a second reset spring (342) is fixedly arranged between the inner end of the second tip (31) and the fixed housing (34), one end of the moving block (32) is connected with a piston rod of a first air cylinder (33), and the bottom end of the moving block (32) is connected with a sliding rail (11) fixedly arranged on the rack (1) in a sliding mode.
4. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 1, which is characterized in that: horizontal pushing mechanism includes a plurality of horizontal pushing groups (51), horizontal pushing group (51) is including locating third cylinder (511) and guide rail (512) on frame (1), the piston rod tip of third cylinder (511) is connected and connecting block (513) can move on guide rail (512) with connecting block (513) of locating on guide rail (512), be equipped with bracing piece (514) on the upper surface of connecting block (513), be equipped with a plurality of downwardly extending shifting blocks (515) on the lateral wall of bracing piece (514), the bottom of shifting block (515) is equipped with horizontal rotation's contact piece (516).
5. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 4, wherein: the chicken heart chuck (41) is including being used for supplying solid fixed ring (411) that axle type work piece passed, be equipped with on the lateral wall of solid fixed ring (411) a plurality of wear to establish to solid fixed ring (411) intra-annular and with solid fixed ring (411) screw-thread fit's fastening screw (412), still be equipped with on the lateral wall of solid fixed ring (411) and realize rotating and can with driving lever (413) that contact piece (516) butt through shifting block (515) promotion.
6. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 5, wherein: the shifting rod (413) is rotatably connected with the fixing ring (411) through a cylindrical fastening block (414) at the end part, the cylindrical fastening block (414) is of an eccentric structure on the fixing ring (411), and a third return spring (415) fixedly connected with the fixing ring (411) is fixedly arranged on one side, opposite to the rotating direction of the shifting rod (413), pushed by the shifting block (515) on the shifting rod (413).
7. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 5, wherein: the locking mechanism comprises a plurality of chassis (52) arranged on the rack (1), the middle of the chassis (52) is provided with a circular hole (521) coaxial with a circular ring of the fixing ring (411), the upper end of the chassis (52) is provided with a limiting protrusion (522) protruding upwards and matched with a fastening screw (412) and a shifting lever (413), and the two sides of the upper end of the chassis (52) corresponding to the chicken heart chuck (41) are respectively provided with a clamping jaw (53) matched with and arranged oppositely with the limiting protrusion (522).
8. The automatic feeding and discharging device for grinding shaft workpieces as claimed in claim 7, wherein: locking mechanism is including locating fourth cylinder (54) of frame (1) bottom, the piston cylinder tip of fourth cylinder (54) sets firmly connecting plate (55) that the level set up, be equipped with first supplementary slider (551) on the upper surface of connecting plate (55), the bottom of frame (1) is equipped with second supplementary slider (13) with first supplementary slider (551) matched with, the outside of connecting plate (55) is equipped with vertical backup pad (56) that sets up, the tip of clamping jaw (53) is mutually supported through bolt and bar hole (561) on backup pad (56) and is connected with backup pad (56), be equipped with a plurality of breach (562) corresponding with the quantity of chassis (52) on backup pad (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010407143.XA CN111571331B (en) | 2020-05-14 | 2020-05-14 | Automatic feeding and discharging device for grinding shaft workpieces |
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| CN202010407143.XA CN111571331B (en) | 2020-05-14 | 2020-05-14 | Automatic feeding and discharging device for grinding shaft workpieces |
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| CN111571331A CN111571331A (en) | 2020-08-25 |
| CN111571331B true CN111571331B (en) | 2022-03-29 |
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| CN202010407143.XA Active CN111571331B (en) | 2020-05-14 | 2020-05-14 | Automatic feeding and discharging device for grinding shaft workpieces |
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| CN111571331A (en) | 2020-08-25 |
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Effective date of registration: 20220210 Address after: 322100 Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Applicant after: ZHEJIANG LINIX MOTOR Co.,Ltd. Address before: 322118 No. 196 Industrial Avenue, Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Applicant before: HENGDIAN GROUP INNUOVO ELECTRIC Co.,Ltd. |
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