CN107838645B - Automatic nut feeding device - Google Patents
Automatic nut feeding device Download PDFInfo
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- CN107838645B CN107838645B CN201711073762.4A CN201711073762A CN107838645B CN 107838645 B CN107838645 B CN 107838645B CN 201711073762 A CN201711073762 A CN 201711073762A CN 107838645 B CN107838645 B CN 107838645B
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- feeding
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- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 210000000078 claw Anatomy 0.000 claims description 95
- 230000001360 synchronised effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims 1
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an automatic nut feeding device which comprises a fixed mounting frame, a feeding vibration disc, a direct vibrator, a feeding guide plate, a feeding receiving block and a receiving block driving cylinder, wherein the fixed mounting frame is provided with a feeding vibration disc; the fixed mounting frame is provided with a mounting frame vertical plate, the front end side of the mounting frame vertical plate is provided with a movable mounting vertical plate driven by a first translation driving cylinder, the movable mounting vertical plate is provided with a first nut clamping mechanism and a second nut clamping mechanism, the fixed mounting frame is provided with a nut rotation positioning mechanism at the lower end side of the first nut clamping mechanism, and the fixed mounting frame is provided with a swinging upper part mechanism at the lower end side of the second nut clamping mechanism. Through the structural design, the automatic screw locking device has the advantages of novel structural design, high automation degree and high working efficiency, and can be effectively applied to automatic screw locking operation.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to an automatic nut feeding device.
Background
As automation technology continues to develop applications, more and more automation equipment is being used in industrial processes.
Among them, in prior art, lock screw (i.e. screw nut and screw are in the same place) mainly relies on the manual mode to realize, work efficiency is low, degree of automation is low and the cost of labor is high. Of course, some automatic devices for realizing the screwing of nuts and screws exist in the prior art; however, in the actual operation process, the defects of unstable nut loading and low efficiency are common.
Disclosure of Invention
The invention aims to provide an automatic nut feeding device which aims at overcoming the defects of the prior art, has novel structural design, high automation degree and high working efficiency and can be effectively applied to automatic screw locking operation.
In order to achieve the above object, the present invention is achieved by the following technical scheme.
The automatic nut feeding device comprises a fixed mounting frame and a feeding vibration disc positioned beside the fixed mounting frame, wherein a direct vibrator is arranged on the fixed mounting frame, a feeding guide plate horizontally extending along the left-right direction is arranged at the upper end part of the direct vibrator, a feeding guide groove completely penetrating left and right is arranged on the feeding guide plate, and the left end part of the feeding guide groove is communicated with a discharge hole of the feeding vibration disc; the fixed mounting frame is provided with a feeding bearing block at the right end side of the feeding guide plate in a relatively front-back movable manner, the upper surface of the feeding bearing block is provided with a feeding bearing groove, the fixed mounting frame is provided with a bearing block driving cylinder which horizontally moves front and back corresponding to the feeding bearing block, and the extension end part of a piston rod of the bearing block driving cylinder is connected with the feeding bearing block;
the fixed mounting frame is provided with a mounting frame vertical plate which is vertically arranged and is positioned at the rear end side of the feeding receiving block, the front end side of the mounting frame vertical plate can be correspondingly provided with a movable mounting vertical plate which is positioned at the upper end side of the feeding guide plate and is vertically arranged in a left-right movable mode, the left end part of the mounting frame vertical plate is provided with a first translation cylinder mounting seat in a threaded mode, the first translation cylinder mounting seat is provided with a first translation driving cylinder which horizontally moves left and right, and the extension end part of a piston rod of the first translation driving cylinder is connected with the movable mounting vertical plate;
the movable mounting vertical plate is provided with a first nut clamping mechanism and a second nut clamping mechanism which is positioned at the right end side of the first nut clamping mechanism and is arranged at intervals with the first nut clamping mechanism, the lower end side of the first nut clamping mechanism is provided with a nut rotation positioning mechanism, and the lower end side of the second nut clamping mechanism is provided with a swinging upper part mechanism; the first nut clamping mechanism comprises a first lifting driving cylinder which is screwed on the upper end part of the movable mounting vertical plate and moves up and down, a first lifting movable plate is arranged at the outer extending end part of a piston rod of the first lifting driving cylinder, and a first nut clamping air claw is arranged at the lower end part of the first lifting movable plate; the second nut clamping mechanism comprises a second lifting driving cylinder which is screwed on the upper end part of the movable mounting vertical plate and moves up and down, a second lifting movable plate is arranged at the outer extension end part of a piston rod of the second lifting driving cylinder, and a second nut clamping air claw is arranged at the lower end part of the second lifting movable plate;
the swing upper piece mechanism comprises a movable mounting seat which can be movably arranged on a fixed mounting frame relatively left and right, the fixed mounting frame is provided with a second translation cylinder mounting seat corresponding to the movable mounting seat in a threaded manner, the second translation cylinder mounting seat is provided with a second translation driving cylinder which horizontally moves left and right, the extension end part of a piston rod of the second translation driving cylinder is connected with the movable mounting seat, the movable mounting seat can be relatively and swingably provided with a swing upper piece block, the movable mounting seat is provided with an upper piece block driving mechanism corresponding to the swing upper piece block, the upper piece block driving mechanism is in driving connection with the swing upper piece block, the free end part of the swing upper piece block is provided with a nut limiting placement hole with an inner wall profile shape matched with the edge profile shape of a nut, and the bottom surface of the nut limiting placement hole is provided with a screw avoidance through hole which completely penetrates up and down.
The nut rotary positioning mechanism comprises a rotary positioning rotating shaft which is arranged on the fixed mounting frame in a relatively rotatable manner and is vertically arranged, the upper end part of the rotary positioning rotating shaft is provided with a rotary positioning disk which is horizontally and transversely arranged in a threaded manner, and the middle position of the rotary positioning disk is provided with a rotary positioning hole which is opened upwards; the rotary positioning disk is provided with a positioning disk pin hole which penetrates through the rotary positioning disk completely in the radial direction and is communicated with the rotary positioning hole, a spring pin is embedded in the positioning disk pin hole, the inner end part of the spring pin stretches into the rotary positioning hole of the rotary positioning disk, the outer end part of the spring pin stretches to the outer end side of the rotary positioning disk, and the inner end part of the spring pin is provided with a wedge-shaped bulge which is matched with the opening shape of the nut;
a sensor mounting block is arranged beside the fixed mounting frame and the rotary positioning disk, and a proximity sensor is arranged at the upper end part of the sensor mounting block;
the fixed mounting frame is provided with a rotary positioning driving motor corresponding to the rotary positioning rotating shaft, a power output shaft of the rotary positioning driving motor is provided with a driving synchronous pulley, the lower end part of the rotary positioning rotating shaft is sleeved with a driven synchronous pulley, and a transmission synchronous belt is wound between the driving synchronous pulley and the driven synchronous pulley.
The upper piece driving mechanism comprises an upper piece driving rotating shaft which can be relatively rotatably arranged on the movable mounting seat and horizontally extends along the front-rear direction, the fixed end part of the swinging upper piece is sleeved on the upper piece driving rotating shaft, an upper piece driving gear is clamped on the upper piece driving rotating shaft sleeve, an upper piece driving cylinder which horizontally moves left and right is arranged on the side of the upper piece driving gear by the movable mounting seat, an upper piece driving rack is arranged at the extending end part of a piston rod of the upper piece driving cylinder, and the upper piece driving rack is meshed with the upper piece driving gear.
The first nut clamping gas claw and the second nut clamping gas claw comprise a gas claw mounting block and a gas claw driving cylinder which is positioned at the upper end side of the gas claw mounting block and acts up and down, the gas claw mounting block is provided with a mounting block through hole which is completely penetrated up and down, a left clamping body and a right clamping body which is positioned at the right end side of the left clamping body are embedded in the mounting block through hole of the gas claw mounting block, the lower end parts of the left clamping body and the right clamping body respectively extend to the lower end side of the gas claw mounting block, the lower end part of the left clamping body is provided with a left clamping part with a semicircular cross section, and the lower end part of the right clamping body is provided with a right clamping part with a semicircular cross section;
the middle part of the left clamping body and the middle part of the right clamping body are hinged to the air jaw mounting block through a pivot respectively, the upper end part of the left clamping body is provided with a left spring mounting hole which is opened towards the right side, the upper end part of the right clamping body is provided with a right spring mounting hole which is opened towards the left side, a transverse spring is arranged between the upper end part of the left clamping body and the upper end part of the right clamping body, the left end part of the transverse spring is embedded in the left spring mounting hole of the left clamping body, the left end part of the transverse spring is abutted with the bottom surface of the left spring mounting hole, the right end part of the transverse spring is embedded in the right spring mounting hole of the right clamping body, and the right end part of the transverse spring is abutted with the bottom surface of the right spring mounting hole;
the outer extension end part of a piston rod of the gas claw driving cylinder is provided with a gas claw driving block, the lower end part of the gas claw driving block is embedded and inserted in a gas claw mounting hole of the gas claw mounting block, the lower end part of the gas claw driving block is provided with a driving block accommodating groove which is downwards opened and is wedge-shaped, and the upper end parts of the left clamping body and the right clamping body respectively extend into the driving block accommodating groove of the gas claw driving block;
the first nut clamping gas claw installing block and the gas claw driving cylinder are respectively and spirally arranged on the first lifting movable plate, and the second nut clamping gas claw installing block and the gas claw driving cylinder are respectively and spirally arranged on the second lifting movable plate.
The beneficial effects of the invention are as follows: the invention relates to an automatic nut feeding device which comprises a fixed mounting frame and a feeding vibration disc positioned beside the fixed mounting frame, wherein a direct vibrator is arranged on the fixed mounting frame, a feeding guide plate horizontally extending along the left-right direction is arranged at the upper end part of the direct vibrator, a feeding guide groove completely penetrating left and right is formed in the feeding guide plate, and the left end part of the feeding guide groove is communicated with a discharge hole of the feeding vibration disc; the fixed mounting frame is provided with a feeding bearing block at the right end side of the feeding guide plate in a relatively front-back movable manner, the upper surface of the feeding bearing block is provided with a feeding bearing groove, the fixed mounting frame is provided with a bearing block driving cylinder which horizontally moves front and back corresponding to the feeding bearing block, and the extension end part of a piston rod of the bearing block driving cylinder is connected with the feeding bearing block; the fixed mounting frame is provided with a mounting frame vertical plate which is vertically arranged and is positioned at the rear end side of the feeding receiving block, the front end side of the mounting frame vertical plate can be correspondingly provided with a movable mounting vertical plate which is positioned at the upper end side of the feeding guide plate and is vertically arranged in a left-right movable mode, the left end part of the mounting frame vertical plate is provided with a first translation cylinder mounting seat in a threaded mode, the first translation cylinder mounting seat is provided with a first translation driving cylinder which horizontally moves left and right, and the extension end part of a piston rod of the first translation driving cylinder is connected with the movable mounting vertical plate; the movable mounting vertical plate is provided with a first nut clamping mechanism and a second nut clamping mechanism which is positioned at the right end side of the first nut clamping mechanism and is arranged at intervals with the first nut clamping mechanism, the lower end side of the first nut clamping mechanism is provided with a nut rotation positioning mechanism, and the lower end side of the second nut clamping mechanism is provided with a swinging upper part mechanism; the first nut clamping mechanism comprises a first lifting driving cylinder which is screwed on the upper end part of the movable mounting vertical plate and moves up and down, a first lifting movable plate is arranged at the outer extending end part of a piston rod of the first lifting driving cylinder, and a first nut clamping air claw is arranged at the lower end part of the first lifting movable plate; the second nut clamping mechanism comprises a second lifting driving cylinder which is screwed on the upper end part of the movable mounting vertical plate and moves up and down, a second lifting movable plate is arranged at the outer extension end part of a piston rod of the second lifting driving cylinder, and a second nut clamping air claw is arranged at the lower end part of the second lifting movable plate; the swing upper piece mechanism comprises a movable mounting seat which can be movably arranged on a fixed mounting frame relatively left and right, the fixed mounting frame is provided with a second translation cylinder mounting seat corresponding to the movable mounting seat in a threaded manner, the second translation cylinder mounting seat is provided with a second translation driving cylinder which horizontally moves left and right, the extension end part of a piston rod of the second translation driving cylinder is connected with the movable mounting seat, the movable mounting seat can be relatively and swingably provided with a swing upper piece block, the movable mounting seat is provided with an upper piece block driving mechanism corresponding to the swing upper piece block, the upper piece block driving mechanism is in driving connection with the swing upper piece block, the free end part of the swing upper piece block is provided with a nut limiting placement hole with an inner wall profile shape matched with the edge profile shape of a nut, and the bottom surface of the nut limiting placement hole is provided with a screw avoidance through hole which completely penetrates up and down. Through the structural design, the invention has the advantages of novel structural design, high degree of automation and high working efficiency, and can be effectively suitable for automatic screw locking operation.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of a nut.
Fig. 2 is a schematic structural view of the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
Fig. 4 is a schematic view of a partial structure according to another view of the present invention.
Fig. 5 is a schematic structural view of the loading receiving block of the present invention.
Fig. 6 is a schematic structural view of a first nut clamping mechanism and a nut rotating and positioning mechanism according to the present invention.
Fig. 7 is a schematic cross-sectional view of a first nut clamping mechanism and a nut rotation positioning mechanism according to the present invention.
Fig. 8 is a schematic cross-sectional view of a nut rotation positioning mechanism of the present invention.
Fig. 9 is a schematic structural view of a second nut clamping mechanism and a swinging upper mechanism of the present invention.
Fig. 10 is a schematic structural view of the second nut clamping mechanism and the swing upper mechanism according to another view of the present invention.
Fig. 11 is a schematic cross-sectional view of the swing upper mechanism of the present invention.
Fig. 12 is a schematic structural view of the first nut clamping mechanism or the second nut clamping mechanism of the present invention.
Fig. 2 to 11 include:
1-fixed mounting 11-mounting riser
21-feeding vibration plate 22-direct vibrator
23-feeding guide plate 231-feeding guide chute
24-feeding receiving block 241-feeding receiving groove
25-bearing block driving cylinder 31-movable mounting vertical plate
32-first translation cylinder mount 33-first translation drive cylinder
41-first nut clamping mechanism 411-first lifting driving cylinder
412-first lifting movable plate 413-first nut clamping air claw
42-second nut clamping mechanism 421-second lifting driving cylinder
422-second lifting movable plate 423-second nut clamping air claw
431-gas claw mounting block 4311-gas claw mounting hole
432-gas claw driving cylinder 433-left clamping body
4331 left clamp 4332 left spring mounting hole
434-right clamping body 4341-right clamping portion
4342 Right spring mounting hole 435 pivot
436-transverse spring 437-pneumatic claw driving block
4371-driving block accommodating groove 5-nut rotary positioning mechanism
51-rotating positioning shaft 52-rotating positioning disk
521-Rotary positioning hole 522-positioning plate Pin hole
53-spring pin 531-wedge shaped protrusion
541-sensor mounting block 542-proximity sensor
55-rotary positioning driving motor 561-active synchronous belt
562-driven synchronous belt 563-driving synchronous belt
6-swinging upper part mechanism 61-movable mounting seat
62-second translation cylinder mount 63-second translation drive cylinder
64-swinging upper piece 641-nut limiting placement hole
642-screw avoiding through hole 65-upper piece driving mechanism
651-upper block driving shaft 652-upper block driving gear
653-a top block drive cylinder 654-a top block drive rack.
Detailed Description
The invention will be described with reference to specific embodiments.
As shown in fig. 2 to 10, an automatic nut feeding device comprises a fixed mounting frame 1 and a feeding vibration disc 21 positioned beside the fixed mounting frame 1, wherein a direct vibrator 22 is arranged on the fixed mounting frame 1, a feeding guide plate 23 horizontally extending along the left-right direction is arranged at the upper end part of the direct vibrator 22, a feeding guide groove 231 completely penetrating left and right is formed in the feeding guide plate 23, and the left end part of the feeding guide groove 231 is communicated with a discharge hole of the feeding vibration disc 21; the fixed mounting frame 1 is provided with a feeding bearing block 24 at the right end side of the feeding guide plate 23 in a relatively front-back movable way, the upper surface of the feeding bearing block 24 is provided with a feeding bearing groove 241, the fixed mounting frame 1 is provided with a bearing block driving cylinder 25 which horizontally moves back and forth corresponding to the feeding bearing block 24, and the extension end part of a piston rod of the bearing block driving cylinder 25 is connected with the feeding bearing block 24.
Wherein, fixed mounting bracket 1 is provided with and is vertical arrangement and is located the mounting bracket riser 11 of material loading accepting piece 24 rear end side, and the front end side of mounting bracket riser 11 can be relative control the activity install be located material loading stock guide 23 upper end side and be vertical arrangement's movable mounting riser 31, and the left end spiral shell of mounting bracket riser 11 has first translation cylinder mount pad 32, and first translation actuating cylinder 33 of horizontal action about the first translation cylinder mount pad 32 has been installed, and the piston rod extension tip and the movable mounting riser 31 of first translation actuating cylinder 33 are connected.
Further, the movable mounting vertical plate 31 is provided with a first nut clamping mechanism 41 and a second nut clamping mechanism 42 which is positioned at the right end side of the first nut clamping mechanism 41 and is arranged at intervals with the first nut clamping mechanism 41, the lower end side of the first nut clamping mechanism 41 of the fixed mounting frame 1 is provided with a nut rotating and positioning mechanism 5, and the lower end side of the second nut clamping mechanism 42 of the fixed mounting frame 1 is provided with a swinging upper member mechanism 6; the first nut clamping mechanism 41 comprises a first lifting driving cylinder 411 which is screwed on the upper end part of the movable mounting vertical plate 31 and moves up and down, a first lifting movable plate 412 is arranged on the outer extension end part of a piston rod of the first lifting driving cylinder 411, and a first nut clamping air claw 413 is arranged on the lower end part of the first lifting movable plate 412; the second nut clamping mechanism 42 comprises a second lifting driving cylinder 421 which is screwed on the upper end of the movable mounting vertical plate 31 and moves up and down, a second lifting movable plate 422 is mounted on the outer end of a piston rod of the second lifting driving cylinder 421, and a second nut clamping air claw 423 is mounted on the lower end of the second lifting movable plate 422.
Further, the swinging upper member mechanism 6 includes a movable mounting seat 61 movably mounted on the fixed mounting frame 1 relatively left and right, a second translational cylinder mounting seat 62 is screwed on the fixed mounting frame 1 corresponding to the movable mounting seat 61, a second translational driving cylinder 63 horizontally moving left and right is mounted on the second translational cylinder mounting seat 62, an extension end of a piston rod of the second translational driving cylinder 63 is connected with the movable mounting seat 61, the movable mounting seat 61 is relatively swingably mounted with a swinging upper member block 64, the movable mounting seat 61 is correspondingly provided with an upper member block driving mechanism 65 corresponding to the swinging upper member block 64, the upper member block driving mechanism 65 is in driving connection with the swinging upper member block 64, a nut limit placement hole 641 having an inner wall contour shape adapted to a nut edge contour shape is formed at a free end of the swinging upper member block 64, and a screw avoiding through hole 642 completely penetrating up and down is formed at a bottom surface of the nut limit placement hole 641.
It should be further noted that, as shown in fig. 6 to 8, the nut rotation positioning mechanism 5 includes a rotation positioning shaft 51 which is relatively rotatably installed on the fixed installation frame 1 and is vertically arranged, a rotation positioning disk 52 which is horizontally and transversely arranged is screwed on the upper end portion of the rotation positioning shaft 51, and a rotation positioning hole 521 which is opened upwards is formed in the middle position of the rotation positioning disk 52; the rotary positioning disc 52 is provided with a positioning disc pin hole 522 which completely penetrates in the radial direction and is communicated with the rotary positioning hole 521, the positioning disc pin hole 522 is embedded with a spring pin 53, the inner end part of the spring pin 53 extends into the rotary positioning hole 521 of the rotary positioning disc 52, the outer end part of the spring pin 53 extends to the outer end side of the rotary positioning disc 52, and the inner end part of the spring pin is provided with a wedge-shaped protrusion 531 which is matched with the opening shape of the nut;
a sensor mounting block 541 is arranged beside the fixed mounting frame 1 and the rotary positioning disk 52, and a proximity sensor 542 is arranged at the upper end part of the sensor mounting block 541;
the fixed mounting frame 1 is provided with a rotary positioning driving motor 55 corresponding to the rotary positioning rotating shaft 51, a power output shaft of the rotary positioning driving motor 55 is provided with a driving synchronous pulley 561, a driven synchronous pulley 562 is sleeved and clamped at the lower end part of the rotary positioning rotating shaft 51, and a transmission synchronous belt 563 is wound between the driving synchronous pulley 561 and the driven synchronous pulley 562.
In addition, as shown in fig. 9 to 11, the upper block driving mechanism 65 includes an upper block driving shaft 651 which is rotatably mounted on the movable mount 61 and horizontally extends in the front-rear direction, a fixed end portion of the swing upper block 64 is engaged with the upper block driving shaft 651, the upper block driving shaft 651 is engaged with an upper block driving gear 652, an upper block driving cylinder 653 which horizontally moves left and right is mounted on the movable mount 61 beside the upper block driving gear 652, an upper block driving rack 654 is mounted on an outer end portion of a piston rod of the upper block driving cylinder 653, and the upper block driving rack 654 is engaged with the upper block driving gear 652.
As for the first nut holding gas claw 413 and the second nut holding gas claw 423 of the present invention, as shown in fig. 12, the following structural design may be adopted, specifically: the first nut clamping air claw 413 and the second nut clamping air claw 423 respectively comprise an air claw mounting block 431 and an air claw driving air cylinder 432 which is positioned at the upper end side of the air claw mounting block 431 and acts up and down, the air claw mounting block 431 is provided with a mounting block through hole which completely penetrates up and down, a left clamping body 433 and a right clamping body 434 which is positioned at the right end side of the left clamping body 433 are embedded in the mounting block through hole of the air claw mounting block 431, the lower end parts of the left clamping body 433 and the right clamping body 434 respectively extend to the lower end side of the air claw mounting block 431, the lower end part of the left clamping body 433 is provided with a left clamping part 4331 with a semicircular cross section, and the lower end part of the right clamping body 434 is provided with a right clamping part 4341 with a semicircular cross section; the middle part of the left clamping body 433 and the middle part of the right clamping body 434 are hinged to the air jaw mounting block 431 through a pivot 435 respectively, a left spring mounting hole 4332 which is opened towards the right is formed at the upper end part of the left clamping body 433, a right spring mounting hole 4342 which is opened towards the left is formed at the upper end part of the right clamping body 434, a transverse spring 436 is arranged between the upper end part of the left clamping body 433 and the upper end part of the right clamping body 434, the left end part of the transverse spring 436 is embedded in the left spring mounting hole 4332 of the left clamping body 433 and the left end part of the transverse spring 436 is abutted with the bottom surface of the left spring mounting hole 4332, and the right end part of the transverse spring 436 is embedded in the right spring mounting hole 4342 of the right clamping body 434 and the right end part of the transverse spring 436 is abutted with the bottom surface of the right spring mounting hole 4342; the outer extension end of the piston rod of the air jaw driving cylinder 432 is provided with an air jaw driving block 437, the lower end of the air jaw driving block 437 is embedded and inserted into an air jaw mounting hole 4311 of the air jaw mounting block 431, the lower end of the air jaw driving block 437 is provided with a driving block accommodating groove 4371 which is downwards opened and is wedge-shaped, and the upper ends of the left clamping body 433 and the right clamping body 434 respectively extend into the driving block accommodating groove 4371 of the air jaw driving block 437; the first nut clamping jaw 413 has a jaw mounting block 431 and a jaw driving cylinder 432 screwed to the first lifting movable plate 412, and the second nut clamping jaw 423 has a jaw mounting block 431 and a jaw driving cylinder 432 screwed to the second lifting movable plate 422.
In the process of grabbing the nuts by the first nut clamping air claw 413 and the second nut clamping air claw 423, the left clamping part 4331 of the left clamping body 433 and the right clamping part 4341 of the right clamping body 434 move downwards respectively and are inserted into the central hole of the nut, and the left clamping part 4331 of the left clamping body 433 and the right clamping part 4341 of the right clamping body 434 are in a closed state due to the elastic force of the transverse spring 436; after the left clamping part 4331 and the right clamping part 4341 are respectively inserted into the center holes of the nuts, the air claw driving cylinder 432 drives the air claw driving block 437 to move downwards through the piston rods of the air claw driving cylinder, at the moment, the inclined surfaces of the driving block accommodating grooves 4371 respectively abut against the upper end parts of the left clamping body 433 and the upper end parts of the right clamping body 434, in the process, the air claw driving block 437 drives the upper end parts of the left clamping body 433 to move towards the right, the air claw driving block 437 drives the upper end parts of the right clamping body 434 to move towards the left, the upper end parts of the left clamping body 433 and the upper end parts of the right clamping body 434 are gradually closed, the transverse springs 436 are compressed, and the left clamping part 4331 and the right clamping part 4341 are respectively opened outwards until the left clamping part 4331 and the right clamping part 4341 are tightly expanded to clamp the nuts; when the gripped nut needs to be loosened, the gas claw driving cylinder 432 is moved upward by the piston rod driving gas claw driving block 437 thereof, and in this process, the compressed transverse spring 436 is pressed outward against the upper end portion of the left clamp body 433 and the upper end portion of the right clamp body 434, the left clamp 4331 and the right clamp 4341 are restored to the closed state, and the left clamp 4331 and the right clamp 4341 loosen the nut.
It should be emphasized that the present invention is equipped with a controller electrically connected to an external power source, the controller may be a PLC controller, and the feeding vibration plate 21, the direct vibrator 22, the receiving block driving cylinder 25, the first translation driving cylinder 33, the first lifting driving cylinder 411, the second lifting driving cylinder 421, the gas claw driving cylinder 432, the proximity sensor 542, the rotation positioning driving motor 55, the second translation driving cylinder 63, and the feeding block driving cylinder 653 of the present invention are electrically connected to the controller respectively; in operation, the controller controls the actions of the feeding vibration plate 21, the direct vibrator 22, the receiving block driving cylinder 25, the first translation driving cylinder 33, the first lifting driving cylinder 411, the second lifting driving cylinder 421, the air claw driving cylinder 432, the proximity sensor 542, the rotary positioning driving motor 55, the second translation driving cylinder 63 and the feeding block driving cylinder 653.
The feeding vibration plate 21, the direct vibrator 22, the feeding guide plate 23, the feeding receiving block 24 and the receiving block driving cylinder 25 form an automatic feeding assembly, and when in operation, the feeding vibration plate 21 sends nuts into the feeding guide groove 231 of the feeding guide plate 23, under the vibration action of the direct vibrator 22, the nuts entering the feeding guide groove 231 of the feeding guide plate 23 move towards the feeding receiving block 24 side, and the nuts sequentially enter the feeding receiving groove 241 of the feeding receiving block 24; for the feed receiving block 24 of the present invention, it is ensured that only one nut can enter the feed receiving groove 241. When the nut enters the feeding receiving groove 241, the receiving block driving cylinder 25 acts and pushes the feeding receiving block 24 backwards, and the backwards moved feeding receiving block 24 drives the nut entering the feeding receiving groove 241 to backwards move so as to enable the nut to backwards move to the grabbing position of the first nut clamping mechanism 41; after the first nut clamping mechanism 41 removes the nut in the feeding receiving groove 241, the receiving block driving cylinder 25 drives the feeding receiving block 24 to move forward and reset, and the feeding receiving groove 241 of the feeding receiving block 24 is aligned to the feeding guide groove 231 of the feeding guide plate 23 again, so that the next nut enters the feeding receiving groove 241 of the feeding receiving block 24, and further the next feeding action is performed.
When the nut moves to the grabbing position of the first nut clamping mechanism 41 along with the feeding receiving block 24, the first translation driving cylinder 33 pulls the movable mounting vertical plate 31 to move to the left, the left movable mounting vertical plate 31 drives the first nut clamping mechanism 41 to move to the left right above the feeding receiving groove 241, then the first lifting driving cylinder 411 drives the first lifting movable plate 412 to move downwards, the first lifting movable plate 412 drives the first nut clamping air claw 413 to move downwards, and the first nut clamping air claw 413 grabs the nut in the feeding receiving groove 241; after the first nut clamping air claw 413 grabs the nut, the first lifting driving cylinder 411 drives the first lifting movable plate 412 to move upwards for resetting, and the first lifting movable plate 412 which moves upwards for resetting drives the first nut clamping air claw 413 and the nut to move upwards; after the nuts to be grasped by the first nut holding air claw 413 are moved up, the first translational driving cylinder 33 pushes the movable mounting riser 31 to the right, the movable mounting riser 31 drives the first nut holding mechanism 41 and the second nut holding mechanism 42 to move to the right, so that the nuts grasped by the first nut holding air claw 413 are moved to the right above the rotation positioning holes 521 of the rotation positioning plate 52, then the first elevating driving cylinder 411 drives the first nut holding air claw 413 to move down, the moved down first nut holding air claw 413 places the nuts into the rotation positioning holes 521 of the rotation positioning plate 52, the left holding part 4331 and the right holding part 4341 of the first nut holding air claw 413 are held in the rotation positioning holes 521, and the left holding part 4331 and the right holding part 4341 tension the nuts, after which the controller controls the rotation positioning driving motor 55 to start, and the rotation positioning shaft 51 is driven to rotate by the synchronous belt transmission mechanism composed of the driving synchronous pulley, the driven synchronous pulley 562 and the transmission synchronous belt 563, and the rotating positioning plate 52 is held in the rotation positioning plate 52 by the rotation of the rotating synchronous pulley, and the left holding part 4341 and the right holding part 4341 holding the nuts are held in the rotation positioning plate 52 and the left holding part 4331 and the right holding part 4341 are held in the rotation positioning plate and the state of the rotating synchronous positioning plate 52; in the process that the spring pin 53 synchronously rotates along with the rotary positioning disc 52, when the wedge-shaped protrusion 531 of the spring pin 53 is embedded into the notch at the edge of the nut, the spring pin 53 drives the nut to rotate; before the rotation positioning driving motor 55 drives the rotation positioning rotating shaft 51 to rotate, the outer end part of the spring pin 53 is close to the proximity sensor 542 and is positioned at the sensing position of the proximity sensor 542, when the spring pin 53 rotates to the sensing position of the proximity sensor 542 next time, the proximity sensor 542 sends a signal to the controller and the controller controls the rotation positioning driving motor 55 to stop rotating, at this time, the rotation positioning rotating shaft 51 drives the rotation positioning disc 52 to just rotate for one circle, and the wedge-shaped protrusion 531 can be ensured to be embedded into the notch of the nut along with the rotation of the rotation positioning disc 52, so that the nut is rotated and positioned; after the nut rotates to a designated position relative to the left side clamping part 4331 and the right side clamping part 4341 of the first nut clamping air jaw 413, the first nut clamping air jaw 413 loosens the nut and the first lifting driving cylinder 411 drives the first nut clamping air jaw 413 to move upwards.
After the rotation positioning of the nut placed in the rotation positioning hole 521 of the rotation positioning disk 52 is completed, the first nut clamping mechanism 41 performs the next workpiece taking action, and during the next workpiece taking action of the first nut clamping mechanism 41, the second nut clamping mechanism 42 moves left and right synchronously with the first nut clamping mechanism 41, and when the first nut clamping air claw 413 of the first nut clamping mechanism 41 moves right above the feeding receiving groove 241, the second nut clamping air claw 423 of the second nut clamping mechanism 42 moves right above the rotation positioning hole 521. When the second nut clamping mechanism 42 moves the rotationally positioned nut onto the swinging upper piece 64, the second lifting driving cylinder 421 drives the second lifting movable plate 422 and the second nut clamping air claw 423 to move downwards, and the second nut clamping air claw 423 moves downwards into the rotational positioning hole 521 of the rotational positioning disk 52, and the second nut clamping air claw 423 grabs the rotationally positioned nut; after the second nut clamping air claw 423 grabs the nut, the second lifting driving air cylinder 421 drives the second lifting movable plate 422 and the second nut clamping air claw 423 to move upwards for resetting, and then the second nut clamping air claw 423 moves rightwards along with the movable mounting vertical plate 31 and enables the nut to move to be right above the nut limiting placing hole 641 of the swinging upper piece 64; when the nut moves right to the position right above the nut limiting placing hole 641, the second lifting driving cylinder 421 drives the second lifting movable plate 422 and the second nut clamping air claw 423 to move downwards, and the second nut clamping air claw 423 accurately places the nut into the nut limiting placing hole 641 of the swinging upper piece 64; after the nut is placed into the nut limiting placing hole 641, the upper block driving cylinder 653 pushes the upper block driving rack 654 to move horizontally, the upper block driving rack 654 drives the upper block driving gear 652 to rotate, the upper block driving gear 652 drives the upper block driving rotating shaft 651 to rotate, and the rotating upper block driving rotating shaft 651 drives the swinging upper block 64 to rotate, so that the swinging upper block 64 at the vertical position rotates to the horizontal position; after the swinging upper piece 64 rotates to the horizontal position, the nut placed in the nut limiting placing hole 641 is in a vertical state, and then the second translation driving cylinder 63 pushes the movable mounting seat 61 towards the right side, and the movable mounting seat 61 moving to the right drives the swinging upper piece 64 to synchronously move towards the right so that the nut moves to the screw locking position to the right.
It should be further explained that, for the swing upper block 64 of the present invention, in the process of screwing the screw and the nut, the nut limit placement hole 641 of the swing upper block 64 can limit the nut, so as to prevent the nut from rotating when the nut is screwed with the screw; in addition, the screw escape through hole 642 of the swing upper block 64 can function to escape the screw, thereby avoiding interference when the screw is in threaded connection with the nut. The invention aims to rotate and position the nut by: ensuring that the nut can be accurately and reliably placed in the nut stopper placement hole 641 of the swing upper block 64.
Also, for the spring pin 53 of the present invention, it may include: the wedge-shaped bulge 531 is arranged at the inner end part of the movable pin block, the outer end part of the movable pin block extends to the outer end side of the rotary positioning disc 52, the spring can be sleeved on the periphery of the movable pin block and elastically pushes the movable pin block inwards, namely the inner end part of the spring is abutted with the movable pin block, and the outer end part of the spring is abutted with the rotary positioning disc 52.
According to the structural design, the automatic screw locking device has the advantages of novel structural design, high automation degree and high working efficiency, and can be effectively applied to automatic screw locking operation.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (4)
1. An automatic device of going up of nut, its characterized in that: the feeding vibration device comprises a fixed mounting frame (1) and a feeding vibration disc (21) positioned beside the fixed mounting frame (1), wherein a direct vibrator (22) is arranged on the fixed mounting frame (1), a feeding guide plate (23) horizontally extending along the left-right direction is arranged at the upper end part of the direct vibrator (22), a feeding guide groove (231) completely penetrating left and right is formed in the feeding guide plate (23), and the left end part of the feeding guide groove (231) is communicated with a discharge hole of the feeding vibration disc (21); the right end side of the feeding guide plate (23) of the fixed mounting frame (1) is provided with a feeding bearing block (24) which can be movably arranged back and forth relative to the right end side of the feeding guide plate, the upper surface of the feeding bearing block (24) is provided with a feeding bearing groove (241), the fixed mounting frame (1) is provided with a bearing block driving cylinder (25) which horizontally moves back and forth corresponding to the feeding bearing block (24), and the extension end part of a piston rod of the bearing block driving cylinder (25) is connected with the feeding bearing block (24);
the fixed mounting frame (1) is provided with a mounting frame vertical plate (11) which is vertically arranged and is positioned at the rear end side of the feeding receiving block (24), the front end side of the mounting frame vertical plate (11) can be movably provided with a movable mounting vertical plate (31) which is positioned at the upper end side of the feeding guide plate (23) and is vertically arranged relative to the left and right, the left end part of the mounting frame vertical plate (11) is spirally provided with a first translation cylinder mounting seat (32), the first translation cylinder mounting seat (32) is provided with a first translation driving cylinder (33) which horizontally moves left and right, and the extension end part of a piston rod of the first translation driving cylinder (33) is connected with the movable mounting vertical plate (31);
the movable mounting vertical plate (31) is provided with a first nut clamping mechanism (41) and a second nut clamping mechanism (42) which is positioned on the right end side of the first nut clamping mechanism (41) and is arranged at intervals with the first nut clamping mechanism (41), the lower end side of the first nut clamping mechanism (41) is provided with a nut rotation positioning mechanism (5) by the fixed mounting rack (1), and the lower end side of the second nut clamping mechanism (42) is provided with a swinging upper part mechanism (6) by the fixed mounting rack (1); the first nut clamping mechanism (41) comprises a first lifting driving cylinder (411) which is screwed on the upper end part of the movable mounting vertical plate (31) and moves up and down, a first lifting movable plate (412) is arranged on the outer extending end part of a piston rod of the first lifting driving cylinder (411), and a first nut clamping air claw (413) is arranged on the lower end part of the first lifting movable plate (412); the second nut clamping mechanism (42) comprises a second lifting driving cylinder (421) which is screwed on the upper end part of the movable mounting vertical plate (31) and moves up and down, a second lifting movable plate (422) is arranged on the extension end part of a piston rod of the second lifting driving cylinder (421), and a second nut clamping air claw (423) is arranged on the lower end part of the second lifting movable plate (422);
the swinging upper piece mechanism (6) comprises a movable mounting seat (61) which can be movably arranged on the fixed mounting frame (1) relatively leftwards and rightwards, a second translation cylinder mounting seat (62) is arranged on the fixed mounting frame (1) in a threaded manner corresponding to the movable mounting seat (61), a second translation driving cylinder (63) which horizontally acts leftwards and rightwards is arranged on the second translation cylinder mounting seat (62), the extension end part of a piston rod of the second translation driving cylinder (63) is connected with the movable mounting seat (61), a swinging upper piece (64) is arranged on the movable mounting seat (61) relatively in a swinging manner, an upper piece driving mechanism (65) is arranged on the movable mounting seat (61) corresponding to the swinging upper piece (64), the upper piece driving mechanism (65) is in driving connection with the swinging upper piece (64), a nut limiting placement hole (641) with the contour shape of the inner wall of which is matched with the contour shape of the edge of the nut is arranged at the free end part of the swinging upper piece (64), and a screw through hole (642) which completely penetrates up and down is formed at the bottom surface of the nut limiting placement hole (641);
the automatic nut feeding device is provided with a controller, and a feeding vibration disc (21), a direct vibrator (22), a bearing block driving cylinder (25), a first translation driving cylinder (33), a first lifting driving cylinder (411), a second lifting driving cylinder (421) and a second translation driving cylinder (63) are respectively and electrically connected with the controller.
2. An automatic nut feeding device as defined in claim 1, wherein: the nut rotary positioning mechanism (5) comprises a rotary positioning rotating shaft (51) which is arranged on the fixed mounting frame (1) in a relatively rotatable manner and is vertically arranged, a rotary positioning disc (52) which is horizontally and transversely arranged is screwed at the upper end part of the rotary positioning rotating shaft (51), and a rotary positioning hole (521) which is opened upwards is formed in the middle position of the rotary positioning disc (52); the rotary positioning disc (52) is provided with a positioning disc pin hole (522) which is completely penetrated in the radial direction and is communicated with the rotary positioning hole (521), a spring pin (53) is embedded in the positioning disc pin hole (522), the inner end part of the spring pin (53) stretches into the rotary positioning hole (521) of the rotary positioning disc (52), the outer end part of the spring pin (53) extends to the outer end side of the rotary positioning disc (52), and the inner end part of the spring pin is provided with a wedge-shaped bulge (531) which is matched with the opening shape of the nut;
a sensor mounting block (541) is arranged beside the fixed mounting frame (1) and the rotary positioning disc (52), and a proximity sensor (542) is arranged at the upper end part of the sensor mounting block (541);
the fixed mounting frame (1) is provided with a rotary positioning driving motor (55) corresponding to the rotary positioning rotating shaft (51), a power output shaft of the rotary positioning driving motor (55) is provided with a driving synchronous pulley (561), the lower end part of the rotary positioning rotating shaft (51) is sleeved with a driven synchronous pulley (562), and a transmission synchronous belt (563) is wound between the driving synchronous pulley (561) and the driven synchronous pulley (562).
3. An automatic nut feeding device as defined in claim 1, wherein: the upper piece driving mechanism (65) comprises an upper piece driving rotating shaft (651) which can be relatively rotatably arranged on the movable mounting seat (61) and horizontally extends along the front-rear direction, a fixed end part of the swinging upper piece (64) is sleeved and clamped on the upper piece driving rotating shaft (651), an upper piece driving gear (652) is sleeved and clamped on the upper piece driving rotating shaft (651), an upper piece driving cylinder (653) which acts horizontally and horizontally is arranged beside the upper piece driving gear (652) on the movable mounting seat (61), an upper piece driving rack (654) is arranged at the extending end part of a piston rod of the upper piece driving cylinder (653), and the upper piece driving rack (654) is meshed with the upper piece driving gear (652).
4. An automatic nut feeding device as defined in claim 1, wherein: the first nut clamping gas claw (413) and the second nut clamping gas claw (423) comprise a gas claw mounting block (431) and a gas claw driving cylinder (432) which is positioned at the upper end side of the gas claw mounting block (431) and acts up and down, a mounting block through hole which penetrates through the gas claw mounting block (431) completely is formed in the gas claw mounting block (431), a left clamping body (433) and a right clamping body (434) which is positioned at the right end side of the left clamping body (433) are embedded in the mounting block through hole, the lower ends of the left clamping body (433) and the right clamping body (434) respectively extend to the lower end side of the gas claw mounting block (431), the lower end part of the left clamping body (433) is provided with a left clamping part (4331) with a semicircular cross section, and the lower end part of the right clamping body (434) is provided with a right clamping part (4341) with a semicircular cross section;
the middle part of the left clamping body (433) and the middle part of the right clamping body (434) are hinged to the gas claw mounting block (431) through a pivot (435), a left spring mounting hole (4332) which is opened towards the right side is formed in the upper end part of the left clamping body (433), a right spring mounting hole (4342) which is opened towards the left side is formed in the upper end part of the right clamping body (434), a transverse spring (436) is arranged between the upper end part of the left clamping body (433) and the upper end part of the right clamping body (434), the left end part of the transverse spring (436) is embedded in the left spring mounting hole (4332) of the left clamping body (433), the left end part of the transverse spring (436) is in butt joint with the bottom surface of the left spring mounting hole (4332), and the right end part of the transverse spring (436) is embedded in the right spring mounting hole (4342) of the right clamping body (434);
a pneumatic claw driving block (437) is arranged at the outer extending end part of a piston rod of the pneumatic claw driving cylinder (432), the lower end part of the pneumatic claw driving block (437) is embedded and inserted into a pneumatic claw mounting hole (4311) of the pneumatic claw mounting block (431), a driving block accommodating groove (4371) which is downwards opened and is wedge-shaped is arranged at the lower end part of the pneumatic claw driving block (437), and the upper end parts of the left clamping body (433) and the right clamping body (434) respectively extend into the driving block accommodating groove (4371) of the pneumatic claw driving block (437);
a first nut clamps the air claw (413) and an air claw mounting block (431) and an air claw driving cylinder (432) are respectively screwed on the first lifting movable plate (412), a gas claw mounting block (431) for clamping the gas claw (423) by the second nut the air claw driving air cylinders (432) are respectively screwed on the second lifting movable plates (422).
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| CN201711073762.4A CN107838645B (en) | 2017-11-05 | 2017-11-05 | Automatic nut feeding device |
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| CN201711073762.4A CN107838645B (en) | 2017-11-05 | 2017-11-05 | Automatic nut feeding device |
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| CN107838645A CN107838645A (en) | 2018-03-27 |
| CN107838645B true CN107838645B (en) | 2024-04-05 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108860689A (en) * | 2018-06-22 | 2018-11-23 | 余姚市日昇环保科技有限公司 | It is hung on a kind of nut is automatic standby |
| CN109551211A (en) * | 2018-12-07 | 2019-04-02 | 深圳市福士工业科技有限公司 | A kind of encoder shock-absorbing circle automatic assembling machine |
| CN112440095B (en) * | 2019-08-27 | 2024-07-19 | 昆山德瑞特精密机械有限公司 | Automatic screw locking machine |
| CN112872782B (en) * | 2021-01-22 | 2022-08-19 | 龙光电子集团有限公司 | Nut locking assembly machine and assembly method thereof |
| CN217413063U (en) * | 2021-04-20 | 2022-09-13 | 广东格兰仕微波生活电器制造有限公司 | Assembly equipment of magnetic pole A side and magnetron anode assembly production equipment |
| CN113997040A (en) * | 2021-11-17 | 2022-02-01 | 东莞市合达电子科技有限公司 | Automation equipment capable of synchronously installing copper head and screw |
| CN114291567B (en) * | 2022-01-17 | 2022-07-08 | 嘉控电力股份有限公司 | Automatic assembly production line for complete set of electric power cabinet |
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| CN202877841U (en) * | 2012-10-31 | 2013-04-17 | 浙江长华汽车零部件有限公司 | Full-automatic and multi-station nut riveting press |
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| CN207372604U (en) * | 2017-11-05 | 2018-05-18 | 龙光电子集团有限公司 | A kind of nut automatic piece supplying device |
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| WO1995028242A1 (en) * | 1994-04-14 | 1995-10-26 | Henrob Ltd | Improved fastening machines |
| CN202877841U (en) * | 2012-10-31 | 2013-04-17 | 浙江长华汽车零部件有限公司 | Full-automatic and multi-station nut riveting press |
| CN106425353A (en) * | 2016-07-20 | 2017-02-22 | 梁启明 | Feeding mechanism for safe intravenous needle seat |
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