CN114955921B - Numerical control stacking elevator - Google Patents

Abstract

The invention is applicable to the field of elevators, and provides a numerically controlled stacking elevator, which includes a moving bottom plate, a roller fixed on the moving bottom plate, and also includes a guide support column, a top plate, a lifting plate, a cargo grabbing component, a lifting driving component, a height Lock assembly and fold support assembly. The cargo grabbing component grabs the pallet loaded with goods, the lift drive assembly drives the lift plate to move upward to the cargo compartment of the shelf through the height locking component, and the cargo grabbing component sends the pallet loaded with cargo into the cargo compartment of the shelf When the lift drive assembly fails and the lift plate cannot be moved up and down, the height locking assembly supports the lift plate by restricting the folding of the folding support assembly, thereby preventing the lift plate from falling down and improving the stability of the lift plate.

Description

A CNC stacking elevator

technical field

The invention belongs to the field of elevators, and in particular relates to a numerically controlled stacking elevator.

Background technique

The stacking crane, also known as the stacker, is the most important lifting and transporting equipment in the three-dimensional warehouse, and it is the symbol representing the characteristics of the three-dimensional warehouse; the main function of the stacking crane is to run back and forth in the passage of the three-dimensional warehouse, and it will be located at the entrance of the roadway. And the pallets with goods are stored in the racks of the shelves, or the pallets with goods in the racks are taken out.

The existing stacker lifts the goods by winding the connecting rope, and the two ends of the connecting rope are respectively connected with the winding motor and the lifting plate. When the service life of the connecting rope increases, natural oxidation will occur, and there is a risk of breakage. It causes the goods to fall unexpectedly, which is a potential safety hazard. At the same time, the motor pulls the goods up and down, and the rotation force of the motor is the same as the weight of the goods. When stacking heavy goods, the motor needs to carry a large torque, which is easy to damage the motor.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present invention is to provide a numerical control stacker lift, which aims to solve the problem that the motor pulls the goods up and down, and the rotation force of the motor is the same as the weight of the goods. When stacking heavy goods, the motor needs to carry a large torque, which is easy to damage. motor problem.

The present invention is realized in this way, a numerically controlled stacking elevator includes a moving base plate and a roller fixed on the moving base plate, and further includes:

Guide support column, top plate, lift plate, cargo grab assembly, lift drive assembly, height locking assembly and folding support assembly;

Both ends of the guide support column are fixedly connected to the moving bottom plate and the top plate respectively, the lift plate is slidably connected to the guide support column, the height locking assembly and the cargo grabbing assembly are both arranged on the lift plate, and the lift drive The assembly is connected with the lifting plate through the height locking assembly, and the folding support assembly is respectively connected with the moving bottom plate and the lifting plate;

The cargo grabbing assembly is used to grab the pallet loaded with goods, and the lift drive assembly drives the lift plate to move up and down through the height lock assembly. When the lift drive assembly fails, the height lock assembly restricts the folding of the folding support assembly. way to support the lift plate.

In a further technical solution, there are two sets of the lift drive assemblies, and the two sets of lift drive assemblies are arranged on opposite sides of the lift plate.

In a further technical solution, the lift drive assembly includes a winding drum, a connecting belt, a first steering wheel, a second steering wheel and a synchronous motor, the winding drum is rotatably connected to the moving base plate, and both ends of the connecting belt They are respectively connected to the reel and the top plate, the first steering wheel is rotatably connected to the top plate, the second steering wheel is rotatably connected to the lifting plate through the height locking assembly, and the connecting belt bypasses the first steering wheel and the first steering wheel. Two steering wheels, the synchronous motor is fixed on the moving base plate, and the rotating end of the synchronous motor is connected with the reel.

In a further technical solution, the folding support assembly includes a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a follower plate and a rotating shaft, and the One end of the first connecting rod and the fourth connecting rod are both rotatably connected to the moving base plate, the two ends of the second connecting rod are respectively rotatably connected with the first connecting rod and the sixth connecting rod, and the two connecting rods of the fifth connecting rod are rotatably connected. The ends are respectively connected with the fourth connecting rod and the third connecting rod, the ends of the third connecting rod and the sixth connecting rod are connected to the lifting plate in rotation, and the middle parts of the second connecting rod and the fifth connecting rod are all rotating It is connected to the rotating shaft, the rotating shaft is fixed on the follower plate, and the follower plate is slidably connected to the guide support column.

In a further technical solution, the height locking assembly includes a sliding groove, a sliding plate, a sealing plate, a pulling rope, a mounting block, a spring piece, an engaging block and a ratchet, the sliding groove is provided on the lifting plate, and the sliding plate is slidably connected to the In the sliding groove, the sealing plate is fixed on the side of the lifting plate close to the sliding groove, the two ends of the pulling rope are respectively connected with the sliding plate and the installation block, and the second steering wheel is rotatably connected on the installation block, so The elastic piece is arranged in the sliding groove, and the two ends of the elastic piece are respectively connected with the bottom end of the sliding groove and the sliding plate. end.

In a further technical solution, the cargo grabbing assembly includes a guide rail, a sliding block, a support plate and a telescopic cylinder, the guide rail is fixed on the lifting plate, the sliding block is slidably connected to the guide rail, and the support plate is fixed on the sliding block. The telescopic cylinder is fixed on the lifting plate, and the telescopic end of the telescopic cylinder is connected with the sliding block.

In a further technical solution, there are multiple support plates, and the spacing between the multiple support plates is consistent with the spacing between the holes on the tray.

The embodiment of the present invention provides a numerically controlled stacker lift. When in use, the cargo grabbing component grabs the pallet loaded with goods, and the lift driving component drives the lift plate to move upward to the cargo compartment of the shelf through the height locking component. The grabbing component sends the pallet loaded with goods into the cargo compartment of the shelf, and the height locking component supports the lifting board by restricting the folding of the folding support component, thereby preventing the lifting board from falling down and improving the stability of the lifting board. .

Description of drawings

FIG. 1 is a schematic structural diagram of a numerically controlled stacking lift provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the left side of FIG. 1 according to an embodiment of the present invention;

3 is a schematic structural diagram of the folding support assembly in FIG. 1 according to an embodiment of the present invention;

4 is an enlarged schematic structural diagram of A in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic structural diagram of B in FIG. 1 according to an embodiment of the present invention.

In the drawings: moving bottom plate 101, rollers 102, guide support column 103, top plate 104, lift plate 105, cargo grabbing assembly 2, guide rail 201, sliding block 202, support plate 203, telescopic cylinder 204, lift drive assembly 3, retractable Reel 301, connecting belt 302, first steering wheel 303, second steering wheel 304, synchronous motor 305, height locking assembly 4, sliding groove 401, sliding plate 402, sealing plate 403, pulling rope 404, mounting block 405, shrapnel 406, engaging block 407, ratchet 408, folding support assembly 5, first link 501, second link 502, third link 503, fourth link 504, fifth link 505, sixth link 506, Follower plate 507, rotating shaft 508.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

As shown in FIG. 1 and FIG. 2 , a numerical control stacker lift provided by an embodiment of the present invention includes a moving base plate 101 and a roller 102 fixed on the moving base plate 101, and further includes:

Guide support column 103, top plate 104, lift plate 105, cargo grab assembly 2, lift drive assembly 3, height locking assembly 4 and folding support assembly 5;

Both ends of the guide support column 103 are fixedly connected to the moving bottom plate 101 and the top plate 104 respectively, the lift plate 105 is slidably connected to the guide support column 103, and the height locking assembly 4 and the cargo grabbing assembly 2 are both arranged in the lift plate. On the plate 105, the lift drive assembly 3 is connected to the lift plate 105 through the height locking assembly 4, and the folding support assembly 5 is respectively connected to the moving base plate 101 and the lift plate 105;

The cargo grabbing assembly 2 is used for grabbing the pallet loaded with goods. The lift drive assembly 3 drives the lift plate 105 to move up and down through the height lock assembly 4. When the lift drive assembly 3 fails, the height lock assembly 4 passes through. The lifting plate 105 is supported in a manner that restricts the folding of the folding support assembly 5 .

In the embodiment of the present invention, when in use, the cargo grabbing assembly 2 grabs the pallet loaded with goods, the lift drive assembly 3 drives the lift plate 105 to move upward to the cargo compartment of the shelf through the height locking assembly 4, and the goods grab The component 2 then sends the pallet with goods into the cargo compartment of the rack. When the lift drive component 3 fails and cannot pull the lift plate 105 to move up and down, the height locking component 4 restricts the folding of the folding support component 5 to the lift plate. 105 to support, thereby preventing the lifting plate 105 from falling downward, and improving the lifting stability of the lifting plate 105 .

As shown in FIG. 1 and FIG. 2 , as a preferred embodiment of the present invention, there are two groups of the lift drive assemblies 3 , and the two groups of lift drive assemblies 3 are arranged on opposite sides of the lift plate 105 . The lift drive assembly 3 includes a reel 301, a connecting belt 302, a first steering wheel 303, a second steering wheel 304 and a synchronous motor 305. The reel 301 is rotatably connected to the moving base plate 101. The two ends are respectively connected to the reel 301 and the top plate 104, the first steering wheel 303 is rotatably connected to the top plate 104, the second steering wheel 304 is rotatably connected to the lifting plate 105 through the height locking assembly 4, and the connection The belt 302 goes around the first steering wheel 303 and the second steering wheel 304 , the synchronous motor 305 is fixed on the moving base plate 101 , and the rotating end of the synchronous motor 305 is connected to the reel 301 .

In the embodiment of the present invention, the synchronous motor 305 drives the reel 301 to rotate, the reel 301 rewinds or releases one end of the connecting belt 302 , and the connecting belt 302 is turned by the first steering wheel 303 and the second steering wheel 304 The action forms a movable pulley assembly, and then pulls the second steering wheel 304 to move up and down. The second steering wheel 304 drives the lifting plate 105 to move up and down through the height locking assembly 4, so that the pulling force of the synchronous motor 305 is equal to one half of the gravity of the lifting plate 105. Thus, the torsional force borne by the synchronous motor 305 is reduced.

As shown in FIG. 1-FIG. 5, as a preferred embodiment of the present invention, the folding support assembly 5 includes a first link 501, a second link 502, a third link 503, a fourth link 504, The fifth connecting rod 505, the sixth connecting rod 506, the follower plate 507 and the rotating shaft 508, one end of the first connecting rod 501 and the fourth connecting rod 504 are rotatably connected to the moving base plate 101, and the second connecting rod The two ends of the rod 502 are respectively connected with the first link 501 and the sixth link 506 in rotation, and the two ends of the fifth link 505 are respectively connected with the fourth link 504 and the third link 503. The ends of the connecting rod 503 and the sixth connecting rod 506 are both rotatably connected to the lifting plate 105, and the middle parts of the second connecting rod 502 and the fifth connecting rod 505 are both rotatably connected to the rotating shaft 508, and the rotating shaft 508 is fixed on the following On the moving plate 507, the follower plate 507 is slidably connected to the guide support column 103, and the height locking assembly 4 includes a sliding groove 401, a sliding plate 402, a sealing plate 403, a pulling rope 404, a mounting block 405, a spring piece 406, Engagement block 407 and ratchet 408, the sliding groove 401 is provided on the lifting plate 105, the sliding plate 402 is slidably connected in the sliding groove 401, and the sealing plate 403 is fixed on the lifting plate 105 on the side close to the sliding groove 401 , the two ends of the pulling rope 404 are respectively connected with the sliding plate 402 and the mounting block 405, the second steering wheel 304 is rotatably connected on the mounting block 405, the elastic piece 406 is arranged in the sliding groove 401, and the two The ends are respectively connected with the bottom end of the sliding groove 401 and the sliding plate 402 , the engaging block 407 is fixed on the sliding plate 402 , and the engaging block 407 cooperates with the ratchet 408 , which is fixed on the end of the sixth link 506 .

In the embodiment of the present invention, when the synchronous motor 305 is damaged or the connecting belt 302 is broken, the elastic piece 406 pushes the sliding plate 402 to move downward, the sliding plate 402 drives the engaging block 407 to move downward, and the engaging block 407 moves downward and interacts with the ratchet 408 engage, and then restrict the rotation of the ratchet 408, so that the ratchet 408 restricts the rotation of the sixth link 506, and the sixth link 506 restricts the first link 501, the second link 502, the third link 503, the fourth link 504 and the The fifth link 505 is folded, so that the first link 501 , the second link 502 , the third link 503 , the fourth link 504 , the fifth link 505 and the sixth link 506 support the lift plate 105 , so as to prevent the lift plate 105 from falling downward, and improve the safety of the lift plate 105 to rise and fall.

As shown in FIGS. 1 and 2 , as a preferred embodiment of the present invention, the cargo grabbing assembly 2 includes a guide rail 201 , a sliding block 202 , a support plate 203 and a telescopic cylinder 204 , and the guide rail 201 is fixed on the lift plate 105, the sliding block 202 is slidably connected to the guide rail 201, the support plate 203 is fixed on the sliding block 202, the telescopic cylinder 204 is fixed on the lifting plate 105, and the telescopic end of the telescopic cylinder 204 is connected to the sliding block 202 , the support plate 203 is provided with a plurality of, and the distance between the plurality of support plates 203 is consistent with the distance between the holes on the tray.

In the embodiment of the present invention, when the pallet is grasped, the lift plate 105 drives the support plate 203 to rise and fall, so that the height of the support plate 203 is consistent with the height of the hole on the pallet, the telescopic cylinder 204 shrinks, and the telescopic cylinder 204 drives the sliding block 202 to move The guide rail 201 moves, the sliding block 202 drives the supporting plate 203 to insert into the hole on the tray, the lifting plate 105 moves upward, so that the supporting plate 203 lifts the tray, and then the telescopic cylinder 204 is extended, the sliding block 202 moves in the opposite direction, and the sliding block 202 The supporting plate 203 is driven to move in the opposite direction and reset, thereby realizing the grasping of the pallet. When the goods on the pallet need to be delivered to the cargo compartment of the shelf, the lifting plate 105 drives the supporting plate 203 to be at the height of the cargo compartment, and the telescopic cylinder 204 shrinks. The telescopic cylinder 204 drives the sliding block 202 to move on the guide rail 201, and the sliding block 202 drives the supporting plate 203 to move into the cargo compartment. After the supporting plate 203 sends the pallet into the cargo compartment, the lifting plate 105 drives the supporting plate 203 to move downward for a short distance. Then, the support plate 203 is put down on the tray, and the telescopic cylinder 204 is extended again to reset the support plate 203 .

The above-mentioned embodiment of the present invention provides a numerically controlled stacking lift. When in use, the synchronous motor 305 drives the reel 301 to rotate, and the reel 301 rewinds or releases one end of the connecting belt 302. The connecting belt 302 passes through the first The steering action of the steering wheel 303 and the second steering wheel 304 forms a movable pulley assembly, which in turn pulls the second steering wheel 304 to move up and down, and the second steering wheel 304 drives the lift plate 105 to move up and down through the height locking assembly 4 , thereby making the pulling force of the synchronous motor 305 It is equal to half the gravity of the lifting plate 105, thereby reducing the torsion force of the synchronous motor 305. When the tray is grasped, the lifting plate 105 drives the supporting plate 203 to rise and fall, so that the height of the supporting plate 203 is the same as the height of the holes on the tray. Consistently, the telescopic cylinder 204 contracts, the telescopic cylinder 204 drives the sliding block 202 to move on the guide rail 201, the sliding block 202 drives the support plate 203 to be inserted into the hole on the tray, and the lifting plate 105 moves upward, so that the support plate 203 lifts the tray, and then expands and contracts The cylinder 204 is extended, the sliding block 202 moves in the reverse direction, and the sliding block 202 drives the support plate 203 to move in the reverse direction and reset, thereby realizing the grasping of the pallet. The support plate 203 is driven to be at the height of the cargo compartment, the telescopic cylinder 204 is retracted, the telescopic cylinder 204 drives the sliding block 202 to move on the guide rail 201, the sliding block 202 drives the supporting plate 203 to move into the cargo compartment, and the supporting plate 203 sends the pallet into the cargo compartment. , the lifting plate 105 drives the supporting plate 203 to move down a short distance, and then the supporting plate 203 is put down on the tray, the telescopic cylinder 204 is extended again, and the supporting plate 203 can be reset. When the synchronous motor 305 is damaged or the connecting belt 302 is broken, The shrapnel 406 pushes the sliding plate 402 to move downward, the sliding plate 402 drives the engaging block 407 to move downward, the engaging block 407 moves downward and engages with the ratchet wheel 408, thereby restricting the rotation of the ratchet wheel 408, so that the ratchet wheel 408 restricts the rotation of the sixth link 506 , the sixth link 506 restricts the folding of the first link 501, the second link 502, the third link 503, the fourth link 504 and the fifth link 505, thereby making the first link 501, the second link 501 502 , the third link 503 , the fourth link 504 , the fifth link 505 and the sixth link 506 support the lift plate 105 , thereby preventing the lift plate 105 from falling down and improving the safety of the lift plate 105 rising and falling.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (3)

1. The utility model provides a numerical control stack lift, is including removing the bottom plate to and remove fixed gyro wheel on the bottom plate, its characterized in that still includes:

the device comprises a guide support column, a top plate, a lifting plate, a cargo grabbing component, a lifting driving component, a height locking component and a folding support component;

the two ends of the guide supporting column are respectively fixedly connected with the moving bottom plate and the top plate, the lifting plate is connected to the guide supporting column in a sliding mode, the height locking assembly and the cargo grabbing assembly are arranged on the lifting plate, the lifting driving assembly is connected with the lifting plate through the height locking assembly, and the folding supporting assembly is respectively connected with the moving bottom plate and the lifting plate;

the goods grabbing component is used for grabbing a tray loaded with goods, the lifting driving component drives the lifting plate to move up and down through the height locking component, and the height locking component supports the lifting plate in a mode of limiting the folding of the folding supporting component;

the lifting driving assemblies are arranged in two groups, and the two groups of lifting driving assemblies are arranged on two opposite sides of the lifting plate;

the lifting driving assembly comprises a winding drum, a connecting belt, a first steering wheel, a second steering wheel and a synchronous motor, the winding drum is rotatably connected to the movable bottom plate, two ends of the connecting belt are respectively connected with the winding drum and the top plate, the first steering wheel is rotatably connected to the top plate, the second steering wheel is rotatably connected to the lifting plate through a height locking assembly, the connecting belt bypasses the first steering wheel and the second steering wheel, the synchronous motor is fixed on the movable bottom plate, and the rotating end of the synchronous motor is connected with the winding drum;

the folding support assembly comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a follow-up plate and a rotating shaft, wherein one ends of the first connecting rod and the fourth connecting rod are rotatably connected to the moving bottom plate, two ends of the second connecting rod are respectively rotatably connected with the first connecting rod and the sixth connecting rod, two ends of the fifth connecting rod are respectively connected with the fourth connecting rod and the third connecting rod, the tail ends of the third connecting rod and the sixth connecting rod are rotatably connected to the lifting plate, the middle parts of the second connecting rod and the fifth connecting rod are rotatably connected to the rotating shaft, the rotating shaft is fixed on the follow-up plate, and the follow-up plate is slidably connected to the guide support column;

the height locking assembly comprises a sliding groove, a sliding plate, a sealing plate, a pull rope, an installation block, an elastic sheet, an engagement block and a ratchet wheel, the sliding groove is formed in the lifting plate, the sliding plate is connected in the sliding groove in a sliding mode, the sealing plate is fixed to one side, close to the sliding groove, of the lifting plate, two ends of the pull rope are connected with the sliding plate and the installation block respectively, the second steering wheel is connected to the installation block in a rotating mode, the elastic sheet is arranged in the sliding groove, two ends of the elastic sheet are connected with the bottom end of the sliding groove and the sliding plate respectively, the engagement block is fixed to the sliding plate and matched with the ratchet wheel, and the ratchet wheel is fixed to the tail end of the sixth connecting rod.

2. The numerically controlled stacking elevator according to claim 1, wherein the cargo grasping assembly comprises a guide rail, a sliding block, a support plate and a telescopic cylinder, the guide rail is fixed on the lifting plate, the sliding block is slidably connected to the guide rail, the support plate is fixed on the sliding block, the telescopic cylinder is fixed on the lifting plate, and the telescopic end of the telescopic cylinder is connected with the sliding block.

3. The numerically controlled stacking elevator as claimed in claim 2, wherein the support plates are provided in plurality, and the pitch of the plurality of support plates is identical to the pitch of the holes on the tray.

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