CN214323227U

CN214323227U - Flying saw machine saw blade replacing device

Info

Publication number: CN214323227U
Application number: CN202022715707.4U
Authority: CN
Inventors: 刘景奎
Original assignee: Tianjin Baolilai New Energy Technology Development Co ltd
Current assignee: Tianjin Baolilai New Energy Technology Development Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-10-01
Anticipated expiration: 2030-11-21

Abstract

The utility model discloses a flying saw machine saw bit replacing device, which relates to the technical field of flying saw machine auxiliary equipment and comprises a stand column, wherein a turntable is arranged on one side of the width direction of the stand column in a rotating way, a first motor fixedly connected with the turntable is fixed on the stand column, three cylinder bases are arranged on the turntable, a first cylinder, a second cylinder and a third cylinder are sequentially fixed on each cylinder base, a motor base is fixed at the extending end of the first cylinder, and a nut dismounting mechanism is arranged on the motor base; the extension ends of the second cylinder and the third cylinder are fixed with fixing seats, a plurality of fixing rods slide on the fixing seats, ejector rods slide in the middle of the fixing seats, push blocks are arranged inside the fixing seats, synchronizing mechanisms are arranged between the push blocks and the fixing rods, second elastic pieces are fixedly connected between the push blocks and the inside of the fixing seats, transmission locking mechanisms are arranged between the ejector rods and the push blocks, and saw blades are fixed on the fixing rods corresponding to the third cylinders. The utility model provides a use convenient reliable, and can change flying saw machine saw bit change device of saw bit automatically.

Description

Flying saw machine saw blade replacing device

Technical Field

The utility model relates to a flying saw auxiliary assembly technical field especially relates to a flying saw bit changes device.

Background

The solar photovoltaic upright column is a special upright column designed for placing, installing and fixing a solar panel in a solar photovoltaic power generation system, is generally made of carbon steel metal, each part of the carbon steel upright column is a strip-shaped section structural member, the solar photovoltaic upright column is generally cut off after being continuously formed by a forming machine when being processed, and the common cutting means is cutting off by a flying saw.

The prior Chinese utility model patent with the publication number of CN204770927U discloses a C-shaped steel flying saw shearing device, which comprises a base, a flying saw upright post, a saw blade protective cover, a saw blade, a clamping device and a shearing motor; a sliding table is arranged on the base, and the flying saw upright post is arranged on the sliding table through a bolt; the saw blade is arranged at the end part of the flying saw upright post; the saw blade shaft part is in transmission connection with a shearing motor; the shearing motor is arranged on the sliding table through a bolt; the clamping device is arranged on the base; the saw blade protective cover is arranged on the base.

By adopting the technical scheme, after the material enters the flying saw, the clamping device clamps the material, the shearing motor is started to drive the saw blade to rotate at a high speed, the material is sheared, but the cutting wheel or the saw blade for cutting off the section steel is easy to wear, and when the cutting wheel or the saw blade is replaced, the cutting wheel or the saw blade is manually disassembled and assembled, so that the labor intensity is high, and the danger is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flying saw machine saw bit changes device, in operation, first motor drive carousel rotates, first cylinder drives nut dismouting mechanism and dismantles the nut of saw bit department, the second cylinder drives the fixing base and dismantles the saw bit on the flying saw machine with the ejector pin cooperation, the third cylinder drives the fixing base and installs the saw bit with the ejector pin cooperation on flying saw machine, first cylinder drives nut dismouting mechanism and locks the nut, thereby realize the automatic change to the saw bit, reduce staff's intensity of labour and work risk.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a flying saw machine saw bit changes device, includes the stand, its characterized in that: a rotary table is rotatably arranged on one side of the upright column in the width direction, a first motor with a protruding end coaxially fixed with the rotary table is fixed on the upright column, three cylinder seats are uniformly arranged on the rotary table at intervals around the axis of the rotary table, a first cylinder, a second cylinder and a third cylinder are sequentially fixed on each cylinder seat, a motor seat is fixed at the protruding end of the first cylinder, a nut dismounting mechanism is arranged on the motor seat and comprises a second motor which is elastically arranged, a nut sleeve is fixedly arranged at the protruding end of the second motor, and an extruding body is arranged at one end, away from the first cylinder, of the motor seat;

the extension ends of the second cylinder and the third cylinder are both fixed with a fixed seat, a plurality of fixed rods are arranged on the fixed seat in a sliding manner along the radial direction of the fixed seat, one ends of the fixed rods, which are far away from the rotary table, extend out of the fixed seat, a push rod is arranged in the middle of the fixed seat in a sliding manner, a push block is arranged in the fixed seat, a synchronization mechanism is arranged between the push block and the fixed rods, the synchronization mechanism comprises a plurality of connecting rods which are in one-to-one correspondence with the fixed rods, each connecting rod is hinged to the push block, one end of each connecting rod, which is far away from the push block, is hinged with a slide rod, each slide rod is arranged in a sliding manner along the radial direction of the fixed seat, and one end of each slide rod, which is far away from the connecting rod, is fixedly connected with the fixed rod; the end that spacing seat was kept away from to the ejector pad and the inside fixedly connected with second elastic component of fixing base, be provided with the drive locking mechanism that the drive ejector pad removed and locked between ejector pin and the ejector pad, be provided with the saw bit on the fixing base that the third cylinder corresponds, the shaping has a plurality of fixed orificess with the dead lever grafting complex on the saw bit.

By adopting the technical scheme, when the flying saw machine works, the first motor drives the turntable to rotate, when the first air cylinder reaches the position of the saw blade of the flying saw machine, the first air cylinder drives the motor base to extend out, the extrusion body on the motor base is abutted against the saw blade, and after the nut sleeve and the nut are aligned and clamped, the second motor which is elastically arranged drives the nut sleeve to rotate and finish the disassembly; when the second cylinder rotates to the position of the saw blade, the second cylinder extends out to drive the fixed seat to be close to the saw blade, each fixed rod extends into the fixed hole respectively, moves outwards along the axis of the fixed seat and is fixed with the saw blade under the matching of the ejector rod, the rotating mechanism and the push block, and the second cylinder contracts; when the third cylinder rotates to the position of the saw blade, the third cylinder extends out to drive the fixing seat to be close to the saw blade and is installed on the fixing shaft of the flying saw machine, the fixing rod is separated from the saw blade under the matching of the ejector rod, the transmission locking mechanism and the push block, the third cylinder contracts, when the first cylinder rotates to the position of the saw blade of the flying saw machine, the first cylinder extends out, the second motor drives the nut sleeve to rotate reversely, the nut is locked on the fixing shaft of the saw blade of the flying saw machine, therefore, the automatic replacement of the saw blade is achieved, and the labor intensity and the working risk of workers are reduced.

The utility model discloses further set up to: the transmission locking mechanism comprises a guide seat, the guide seat is fixedly arranged in the fixed seat, four guide grooves are formed in the outer circle of the guide seat, four clamping grooves are formed in one side wall, away from the ejector rod, of the guide seat, clamping platforms are formed between the guide grooves and the clamping grooves, the bottom surface of each clamping groove is an inclined surface inclined towards the ejector rod from the guide groove to the clamping platform, the end surface of each clamping platform is an inclined surface consistent with the inclined direction of the bottom surface of the clamping groove, and the guide grooves, the clamping grooves and the clamping platforms are sequentially and uniformly arranged around the axis direction of the guide seat at intervals; the ejector rod is in sliding fit with the inside of the guide seat, eight V grooves are formed in one end, close to the fixed seat, of the ejector rod along the length direction of the ejector rod, and the V grooves are uniformly arranged at intervals in the axial direction of the ejector rod; the inside one side of keeping away from the ejector pin of guide holder slides and is provided with spacing seat, the shaping has four to lead the arris on the disc outside the spacing seat, each lead the arris and set up around spacing seat axis direction even interval, lead an end face that the arris is close to the ejector pin for inlay with the draw-in groove bottom surface and establish the complex inclined plane, the ejector pad rotates the one end that sets up the guide holder in spacing seat eye.

By adopting the technical scheme, when the fixed seat is close to the fixed shaft of the flying saw machine during working, the top plate is abutted against the end part of the fixed shaft to drive the ejector rod to move towards the inside of the guide seat along the axis direction of the fixed seat, drive the limiting seat and the push block to move and extrude the second elastic part, the connecting rod on the push block drives the slide rod to ascend so as to drive the fixed rod to slide outwards along the radial direction of the fixed seat and be locked with the fixed hole on the saw blade, when the guide edge on the limiting seat is separated from the guide groove, the limiting seat rotates under the matching of the V groove and the guide edge, and when the ejector rod leaves the fixed shaft, the guide edge of the limiting seat is just embedded and matched with the clamping groove on the guide seat, so that the fixed rod can fix the saw blade; when the ejector rod is pressed again, the limiting seat rotates under the action of the V-shaped groove and the guide edge, the inclined surface on the clamping table guides the guide edge into the guide groove, so that the guide edge of the limiting seat can slide into the guide groove part, the push block is further driven to slide towards the direction of the ejector rod, the centers of the fixing seats of the fixing rods are moved, and the fixing rods are separated from the saw blades.

The utility model discloses further set up to: and a top plate is fixedly arranged at one end of the ejector rod, which extends out of the fixed seat along the length direction of the ejector rod.

Through adopting above-mentioned technical scheme, the roof can further improve the ejector pin and the stability when flying saw's fixed axle butt, ensures the steady removal of ejector pin, through this kind of mode, improves the reliability that the device used.

The utility model discloses further set up to: the end of the ejector rod extending into the fixing seat is formed with a limiting hole, and the end of the limiting seat close to the ejector rod is in plug-in fit with the limiting hole.

Through adopting above-mentioned technical scheme, utilize spacing seat and stopper grafting cooperation, stability when further improving both rotations through this kind of mode, further improve the reliability that the device used.

The utility model discloses further set up to: the motor cabinet slides on and is provided with the sliding seat, fixedly connected with first elastic component between sliding seat and the motor cabinet, the second motor is fixed to be set up at the second motor.

Through adopting above-mentioned technical scheme, the during operation, first cylinder stretches out, the extrusion body and saw bit butt, nut sleeve and nut are adjusted well the chucking back well, and the second motor drives nut sleeve rotatory to accomplish the dismantlement under the cooperation of sliding seat and first elastic component, when needs installation nut, the second motor drives nut sleeve reverse rotation, with the nut locking to the fixed axle of flying saw machine saw bit on, through this kind of mode, realize flying saw machine saw bit lock nut's dismouting operation.

The utility model discloses further set up to: the extrusion body is close to the one end shaping of motor cabinet along its width direction has two spacing posts, two spacing post slides and sets up inside the motor cabinet, the both sides of motor cabinet width direction all slide and be provided with the locking bolt with spacing post threaded connection.

Through adopting above-mentioned technical scheme, the spacing post that the utilization was slided and is set up is adjusted the interval between extrusion body and the nut sleeve to when guaranteeing that the extrusion body is to the stable extrusion of saw bit, the nut sleeve can be to the stable dismantlement of nut, thereby makes the device possess stronger suitability.

The utility model discloses further set up to: and a glue layer is fixed on one side wall of the extrusion body away from the limiting column.

Through adopting above-mentioned technical scheme, the glue film can further increase the frictional force between saw bit and the extrusion body, improves the stability between extrusion body and the saw bit, improves the reliability that the device used.

The utility model discloses further set up to: each cylinder block slides along the radial direction of the rotary table, a screw rod in threaded connection with the cylinder block is rotationally arranged in the rotary table on one side of the length direction of each cylinder block, each screw rod is arranged in the rotary table along the radial direction of the rotary table, and one end of each screw rod extends out of the outer circle wheel surface of the rotary table and is fixedly connected with a hand wheel.

Through adopting above-mentioned technical scheme, through cylinder block and the screw rod hand wheel that slides the setting, can adjust the position of each cylinder block to ensure that nut sleeve and dead lever can carry out stable installation and dismantlement to the flying saw machine saw bit, improve the reliability that the device used.

The utility model discloses further set up to: the ground below the upright post is fixedly provided with two guide rails, a rack is fixedly arranged between the two guide rails, the upright post slides along the width direction of the upright post and is arranged on the two guide rails, the lower part of the upright post is fixedly provided with a third motor, and the extending end of the third motor is fixedly provided with a gear meshed with the rack.

Through adopting above-mentioned technical scheme, utilize third motor and rack and pinion cooperation drive stand to be close to or keep away from the flying saw machine to make the device possess stronger convenience.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the four processes of nut dismounting, saw blade mounting and nut locking of the saw blade are sequentially completed by utilizing the matching of the rotating turntable, the first cylinder, the second cylinder and the third cylinder, the nut dismounting mechanism, the fixed seat, the fixed rod, the transmission locking mechanism and the like, so that the automatic replacement operation of the saw blade is realized, and the labor intensity and the working risk of workers are reduced;

(2) the stable replacement of the saw blade in the use process of the device is ensured as much as possible by utilizing the arrangement of a cylinder seat, a screw rod hand wheel and the like which are arranged in a sliding way, so that the device has stronger reliability;

(3) the locking and loosening of the saw blade by the fixing rod can be realized in sequence by utilizing the matching of the fixing rod, the ejector rod, the transmission locking mechanism, the push block and other mechanisms, so that the device has stronger convenience.

Drawings

Fig. 1 is an axial view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic front view of the overall structure of an embodiment of the present invention, showing the positional relationship of each cylinder on the turntable;

FIG. 3 is a schematic axial view of a nut mounting and dismounting mechanism according to an embodiment of the present invention, showing the connection relationship between the components of the nut mounting and dismounting mechanism;

FIG. 4 is a schematic cross-sectional view of a center line of a nut mounting and dismounting mechanism according to an embodiment of the present invention, showing the connection relationship between the components of the nut mounting and dismounting mechanism;

fig. 5 is an exploded view of a fixing base according to an embodiment of the present invention, showing the structure of each component inside the fixing base;

fig. 6 is a schematic cross-sectional view of a central line of a fixing base portion according to an embodiment of the present invention, showing the connection relationship of the positions of the components in the fixing base.

Reference numerals: 1. a column; 2. a guide rail; 3. a rack; 4. a third motor; 5. a gear; 6. a turntable; 7. a first motor; 8. a cylinder block; 9. a screw; 10. a hand wheel; 11. a first cylinder; 12. a second cylinder; 13. a third cylinder; 14. a motor base; 15. a nut dismounting mechanism; 151. a sliding seat; 152. a first elastic member; 153. a second motor; 154. A nut socket; 155. an extrusion body; 156. a limiting column; 157. locking the bolt; 158. a glue layer; 16. a fixed seat; 17. Fixing the rod; 18. a saw blade; 181. a fixing hole; 19. a top rod; 191. a top plate; 192. a V-shaped groove; 193. a limiting hole; 20. A push block; 21. a synchronization mechanism; 211. a connecting rod; 212. a slide bar; 22. a second elastic member; 23. a dynamic locking mechanism; 231. A guide seat; 2311. a guide groove; 2312. a card slot; 2313. clamping a platform; 232. a limiting seat; 2321. and (7) leading edges.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached

drawings

1 and 2, the flying saw blade replacing device comprises a stand column 1, wherein the stand column 1 is of a cuboid structure, two guide rails 2 are fixedly arranged on the ground below the stand column 1 along the length direction of the stand column, a rack 3 is fixedly arranged on the ground on one side of the width direction of each guide rail 2, a third motor 4 is fixedly arranged below one side of the width direction of the stand column 1, and a gear 5 meshed with the rack 3 is fixedly arranged at the extending end of the third motor 4.

A turntable 6 is rotatably arranged at the upper part of one side of the upright post 1 in the width direction, a first motor 7 is fixedly arranged at one side of the upright post 1 in the width direction far away from the turntable 6, and the extending end of the first motor 7 is coaxially and fixedly connected with the turntable 6; be provided with three cylinder block 8 around its axis direction even interval on the carousel 6, three cylinder block 8 all slides along 6 radial direction of carousel and sets up, each cylinder block 8 all rotates in the carousel 6 of its length direction one side and is provided with the screw rod 9 with 8 threaded connection of cylinder block, each screw rod 9 all sets up inside 6 carousel along 6 radial direction of carousel, the one end that screw rod 9 is close to 6 outer round wheel faces of carousel along its length direction all stretches out 6 outer round wheel faces of carousel and is fixed with hand wheel 10.

A first cylinder 11, a second cylinder 12 and a third cylinder 13 are sequentially and fixedly arranged on each cylinder seat 8, the first cylinder 11, the second cylinder 12 and the third cylinder 13 are sequentially arranged on the three cylinder seats 8 according to the opposite rotating direction of the first motor 7, wherein 11 seats 8 of first cylinder stretch out the end and are fixed with motor cabinet 14, be provided with nut dismouting mechanism 15 on the motor cabinet 14, second cylinder 12 and third cylinder 13 stretch out the end and all are fixed with fixing base 16, fixing base 16 is cylindric cavity structures, it is provided with three dead lever 17 to slide along its radial on the fixing base 16, each dead lever 17 is around the even interval setting in 16 axis directions of fixing base, the one end of dead lever 17 length direction stretches out a lateral wall that fixing base 16 kept away from carousel 6, the fixed saw bit 18 that is provided with on the dead lever 17 that third cylinder 13 corresponds, the shaping has a plurality of fixed orifices 181 with dead lever 17 grafting complex on the saw bit 18.

Referring to fig. 3 and 4, the nut dismounting mechanism 15 includes a sliding base 151, the sliding base 151 is of a rectangular plate structure, the sliding base 151 is slidably disposed on the motor base 14 along the length direction of the motor base 14, a first elastic member 152 is fixedly connected between a side wall of the sliding base 151 close to the first cylinder 11 along the length direction and the motor base 14, the first elastic member 152 is made of a spring, a second motor 153 is fixed on the sliding base 151, an extending end of the second motor 153 faces to an end far away from the first cylinder 11 along the length direction of the motor base 14 and is fixed with a nut sleeve 154, a pressing body 155 is disposed on a side of the motor base 14 far away from the first cylinder 11 along the length direction, the pressing body 155 is of a rectangular plate structure, a limiting column 156 is formed on a side of the pressing body 155 close to the motor base 14 along the width direction, the limiting column 156 is slidably disposed inside the motor base 14, a locking bolt 157 abutted to the limiting column 156 is threadedly connected to the lower portion of the motor base 14, the extrusion body 155 is fixed with a glue layer 158 along one side of the width direction far away from the limiting column 156.

When the machine works, the first air cylinder 11 extends out to drive the motor base 14 to move, so that the extruding body 155 is abutted to the saw blade 18, after the nut sleeve 154 is aligned and clamped with the nut, the second motor 153 drives the nut sleeve 154 to rotate, and the nut is disassembled under the matching of the elastic sliding base 151; when the nut needs to be installed, the second motor 153 drives the nut sleeve 154 to rotate reversely, the nut is locked on the fixed shaft of the flying saw blade 18, and the extruding body 155 arranged in a sliding mode can adjust the distance between the extruding body 155 and the nut sleeve 154 according to application requirements.

Referring to fig. 5 and 6, a top rod 19 is slidably disposed in the middle of the fixing seat 16 along the axial direction thereof, a top plate 191 is fixed to one end of the top rod 19 away from the fixing seat 16 along the length direction thereof, a push block 20 is disposed inside the fixing seat 16, a synchronization mechanism 21 is disposed between the push block 20 and the fixing rod 17, the synchronization mechanism 21 includes a plurality of connecting rods 211 corresponding to the fixing rod 17 one by one, each connecting rod 211 is hinged to the push block 20, a sliding rod 212 is hinged to one end of each connecting rod 211 away from the push block 20 along the length direction thereof, each sliding rod 212 is slidably disposed along the radial direction of the fixing seat 16, and one end of each sliding rod 212 away from the connecting rod 211 is fixedly connected to the fixing rod 17; one end of the push block 20 away from the limiting seat 232 is fixedly connected with the inside of the fixed seat 16 by a second elastic part 22, and the second elastic part 22 is made of a spring; a transmission locking mechanism 23 for driving the push block 20 to move and lock is arranged between the push rod 19 and the push block 20.

The transmission locking mechanism 23 comprises a guide seat 231, the guide seat 231 is fixedly arranged in the fixing seat 16, the guide seat 231 is of a cylindrical structure, four guide grooves 2311 are formed in the outer circle of the guide seat 231, four clamping grooves 2312 are formed in one side, away from the ejector rod 19, of the guide seat 231 along the length direction of the guide seat 231, clamping platforms 2313 are formed on the end face of the guide seat 231 between each clamping groove 2312 and the guide grooves 2311, the bottom face of each clamping groove 2312 is an inclined plane inclining to the ejector rod 19 direction from the guide groove 2311 to the clamping platform 2313 along the axial direction of the clamping groove 2312, the end face of the clamping platform 2313 is an inclined plane consistent with the inclined direction of the bottom face of the clamping groove 2312, and the guide grooves 2311, the clamping grooves 2312 and the clamping platforms 2313 are sequentially and uniformly arranged around the axial direction of the guide seat 231 at intervals.

The ejector rod 19 is in sliding fit with the inside of the guide seat 231 along the length direction, eight V-shaped grooves 192 are formed at one end, close to the fixed seat 16, of the ejector rod 19 along the length direction, the V-shaped grooves 192 are evenly arranged around the axis direction of the ejector rod 19 at intervals, and a limiting hole 193 is formed at one end, extending into the fixed seat 16, of the ejector rod 19 along the length direction.

A limiting seat 232 is slidably arranged in the guide seat 231 along the length direction of the guide seat, the limiting seat 232 is of a cylindrical structure, one end, close to the ejector rod 19, of the limiting seat 232 along the length direction of the limiting seat is in inserted fit with the limiting hole 193, four guide ribs 2321 are formed on the outer circle of the limiting seat 232, each guide rib 2321 is uniformly arranged around the axis direction of the limiting seat 232 at intervals, and one end face, close to the ejector rod 19, of each guide rib 2321 along the length direction of the guide rib is an inclined plane; when the end surface of the guide edge 2321 abuts against the V-groove 192 on the end surface of the ejector rod 19, the V-groove 192 guides the guide edge 2321 to slide towards the clamping groove 2312; when the fixing rod 17 is in a loosened state, the guide edge 2321 is embedded and matched with the guide groove 2311 of the guide seat 231; when the fixing rod 17 is in a tightened state, the guiding rib 2321 is in embedded fit with the slot 2312 at the end of the guiding seat 231.

When the flying saw is in operation, when the fixed seat 16 is close to the fixed shaft of the flying saw machine, the top plate 191 is abutted against the end of the fixed shaft to drive the ejector rod 19 to move towards the inside of the guide seat 231 along the axis direction of the fixed seat 16, drive the limit seat 232 and the push block 20 to move and extrude the second elastic element 22, the connecting rod 211 on the push block 20 drives the slide rod 212 to ascend, so as to drive the fixed rod 17 to slide outwards along the radial direction of the fixed seat 16 and be locked with the fixed hole 181 on the saw blade 18, when the guide edge 2321 on the limit seat 232 is separated from the guide groove 2311, the limit seat 232 rotates under the matching of the V-shaped groove 192 and the guide edge 2321, when the ejector rod 19 is separated from the fixed shaft, the guide edge 2321 of the limit seat 232 is just embedded and matched with the clamping groove 2312 on the guide seat 231, so as to fix the fixed rod 17 on the saw blade 18; when the top rod 19 is pressed again, the limiting seat 232 rotates under the action of the V-shaped groove 192 and the guide edge 2321, and the inclined surface on the clamping table 2313 guides the guide edge 2321 into the guide groove 2311, so that the guide edge 2321 of the limiting seat 232 can slide into the guide groove 2311, and further the push block 20 is driven to slide towards the direction of the top rod 19, so that the centers of the fixing seats 16 of the fixing rods 17 move, and the fixing rods 17 are separated from the saw blade 18.

The working principle of the embodiment is as follows: when the flying saw machine is in operation, the first motor 7 drives the rotating disc 6 to rotate, when the first air cylinder 11 reaches the flying saw machine saw blade 18, the first air cylinder 11 drives the motor base 14 to extend out, the extruding body 155 on the motor base 14 is abutted against the saw blade 18, and after the nut sleeve 154 is aligned and clamped with the nut, the second motor 153 which is elastically arranged drives the nut sleeve 154 to rotate and finish disassembly; when the second cylinder 12 rotates to the position of the saw blade 18, the second cylinder 12 extends out to drive the fixed seat 16 to be close to the saw blade 18, each fixed rod 17 extends into the fixed hole 181 and moves outwards along the axis of the fixed seat 16 and is fixed with the saw blade 18 under the matching of the ejector rod 19, the rotating mechanism and the push block 20, and the second cylinder 12 contracts; when the third cylinder 13 rotates to the position of the saw blade 18, the third cylinder 13 extends out to drive the fixed seat 16 to be close to the saw blade 18 and is installed on the fixed shaft of the flying saw machine, the fixed rod 17 is separated from the saw blade 18 under the matching of the ejector rod 19, the transmission locking mechanism 23 and the push block 20, the third cylinder 13 contracts, when the first cylinder 11 rotates to the position of the saw blade 18 of the flying saw machine, the first cylinder 11 extends out, the second motor 153 drives the nut sleeve 154 to rotate reversely, and the nut is locked on the fixed shaft of the saw blade 18 of the flying saw machine, so that the automatic replacement of the saw blade 18 is realized, and the labor intensity and the working risk of workers are reduced.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a flying saw machine saw bit replacing device, includes stand (1), its characterized in that: the device is characterized in that a rotary table (6) is rotatably arranged on one side of the upright column (1) in the width direction, a first motor (7) with an extending end coaxially fixed with the rotary table (6) is fixed on the upright column (1), three cylinder bases (8) are uniformly arranged on the rotary table (6) at intervals around the axis of the rotary table, a first cylinder (11), a second cylinder (12) and a third cylinder (13) are sequentially fixed on each cylinder base (8), a motor base (14) is fixed on the extending end of the first cylinder (11), a nut dismounting mechanism (15) is arranged on each motor base (14), the nut dismounting mechanism (15) comprises a second motor (153) which is elastically arranged, a nut sleeve (154) is fixedly arranged at the extending end of the second motor (153), and an extruding body (155) is arranged at one end, far away from the first cylinder (11), of the motor base (14);

the extending ends of the second cylinder (12) and the third cylinder (13) are both fixed with a fixed seat (16), a plurality of fixed rods (17) are arranged on the fixed seat (16) along the radial direction in a sliding way, one end of the fixed rod (17) far away from the turntable (6) extends out of the fixed seat (16), a mandril (19) is arranged in the middle of the fixed seat (16) in a sliding way, a push block (20) is arranged in the fixed seat (16), a synchronizing mechanism (21) is arranged between the push block (20) and the fixed rod (17), the synchronous mechanism (21) comprises a plurality of connecting rods (211) which correspond to the fixed rods (17) one by one, each connecting rod (211) is hinged to the push block (20), one end, far away from the push block (20), of each connecting rod (211) is hinged to a sliding rod (212), each sliding rod (212) is arranged in a sliding mode in the radial direction of the fixed seat (16), and one end, far away from the connecting rods (211), of each sliding rod (212) is fixedly connected with the fixed rods (17); one end of the push block (20) far away from the limiting seat (232) and a second elastic part (22) fixedly connected with the inside of the fixing seat (16), a transmission locking mechanism (23) for driving the push block (20) to move and lock is arranged between the ejector rod (19) and the push block (20), a saw blade (18) is arranged on the fixing seat (16) corresponding to the third cylinder (13), and a plurality of fixing holes (181) matched with the fixing rod (17) in an inserting mode are formed in the saw blade (18).

2. The flying saw blade changing device as claimed in claim 1, wherein: the transmission locking mechanism (23) comprises a guide seat (231), the guide seat (231) is fixedly arranged inside a fixed seat (16), four guide grooves (2311) are formed in the outer circle of the guide seat (231), four clamping grooves (2312) are formed in one side wall, away from the ejector rod (19), of the guide seat (231), clamping platforms (2313) are formed between the guide grooves (2311) and the clamping grooves (2312), the bottom surfaces of the clamping grooves (2312) are inclined planes which incline towards the direction of the ejector rod (19) from the guide grooves (2311) to the clamping platforms (2313), the end surfaces of the clamping platforms (2313) are inclined planes which are consistent with the inclined direction of the bottom surfaces of the clamping grooves (2312), and the guide grooves (2311), the clamping grooves (2312) and the clamping platforms (2313) are sequentially and uniformly arranged at intervals in the axial direction of the guide seat (231); the ejector rod (19) is in sliding fit with the interior of the guide seat (231), eight V-shaped grooves (192) are formed in one end, close to the fixed seat (16), of the ejector rod (19) along the length direction of the ejector rod, and the V-shaped grooves (192) are uniformly arranged around the axis direction of the ejector rod (19) at intervals; the guide holder (231) is internally provided with a limiting seat (232) in a sliding manner at one side far away from the ejector rod (19), four guide ribs (2321) are formed on the outer circular surface of the limiting seat (232), each guide rib (2321) is uniformly arranged at intervals around the axis direction of the limiting seat (232), one end face, close to the ejector rod (19), of each guide rib (2321 is an inclined face which is embedded with the bottom face of the clamping groove (2312) and matched with the bottom face, and the push block (20) is rotatably arranged at one end of the guide holder (231) in the eye of the limiting seat (232).

3. The flying saw blade changing device as claimed in claim 2, wherein: and a top plate (191) is fixedly arranged at one end of the ejector rod (19) extending out of the fixed seat (16) along the length direction.

4. The flying saw blade changing device as claimed in claim 3, wherein: the ejector rod (19) stretches into one end inside the fixing seat (16) to form a limiting hole (193), and one end, close to the ejector rod (19), of the limiting seat (232) is in plug-in fit with the limiting hole (193).

5. The flying saw blade changing device as claimed in claim 1, wherein: motor cabinet (14) slide on and be provided with sliding seat (151), fixedly connected with first elastic component (152) between sliding seat (151) and motor cabinet (14), second motor (153) are fixed to be set up in second motor (153).

6. The flying saw blade changing device as claimed in claim 5, wherein: the one end shaping that extrusion body (155) are close to motor cabinet (14) along its width direction has spacing post (156), spacing post (156) slide and set up inside motor cabinet (14), threaded connection has locking bolt (157) with spacing post (156) butt on motor cabinet (14) and the relative lateral wall of sliding seat (151).

7. The flying saw blade changing device as claimed in claim 6, wherein: and a glue layer (158) is fixed on one side wall of the extrusion body (155) far away from the limiting column (156).

8. The flying saw blade changing device as claimed in claim 7, wherein: each cylinder block (8) is arranged in a sliding mode along the radial direction of the rotary table (6), a screw (9) in threaded connection with the cylinder block (8) is arranged in the rotary table (6) on one side of the length direction of each cylinder block (8) in a rotating mode, each screw (9) is arranged in the rotary table (6) along the radial direction of the rotary table (6), and one end of each screw (9) extends out of the outer circle wheel surface of the rotary table (6) and is fixedly connected with a hand wheel (10).

9. The flying saw blade changing device as claimed in claim 1, wherein: the ground below of the stand (1) is fixedly provided with two guide rails (2), two the fixed rack (3) that is provided with between guide rail (2), the stand (1) slides along its width direction and sets up on two guide rails (2), the fixed third motor (4) that is provided with in stand (1) lower part, third motor (4) stretching end is fixed be provided with rack (3) meshing complex gear (5).