CN112875266A

CN112875266A - Automatic screw feeder

Info

Publication number: CN112875266A
Application number: CN202110040699.4A
Authority: CN
Inventors: 汪兵; 张健华; 赵钱
Original assignee: Suzhou Temai Intelligent Manufacturing Co ltd
Current assignee: Suzhou Temai Intelligent Manufacturing Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-01

Abstract

The invention discloses an automatic screw feeder which comprises a rack, a feeding device, a direct vibration system, a feeding mechanism, a blowing mechanism and a waste material box. According to the automatic screw feeder, the feeding device ensures that screws are continuously pushed to the straight vibrating material channel connected with the edge of the screw bin in a grading screw feeding mode, the screws are transmitted to the tail end of the straight vibrating material channel through the vibration of the straight vibrator of the straight vibrating system, the screws which do not vertically fall into the straight vibrating material channel can be blown back to the screw bin by the air blowing device, the screws are continuously and vertically distributed on the straight vibrating material channel, the feeding mechanism blows the screws at the tail end of the straight vibrating material channel to the three storage positions of the blowing mechanism in a grading mode, the blowing mechanism has a material cleaning function, the screws in the storage positions of the blowing mechanism can be quickly cleaned, after the feeding of the blowing mechanism is completed, the blowing mechanism blows three screws to equipment at a time, and the screws of the feeder can quickly, continuously and simultaneously blow multiple screws to the equipment, so that a better use prospect is brought.

Description

Automatic screw feeder

Technical Field

The invention relates to the field of screw feeding, in particular to an automatic screw feeder.

Background

Automatic screw feeder is a support equipment that carries out screw pay-off, the most use of the ordinary screw feedway that uses at present is the vibration dish form, screw conveying screw through the feed bin circle shake to directly shake, realize the continuous feed of screw, this kind of screw feedway's major drawback is that the mechanism is bulky, it is more to take up an area of the space, the screw continuously vibrates in the feed bin, lead to the screw wearing and tearing, and the equipment noise is great, traditional screw feeding mechanism once can only blow a screw to equipment usually in addition, when equipment demand is many screws simultaneously, can only convey many times, efficiency greatly reduced, along with the continuous development of science and technology, people also are higher and higher to the manufacturing process requirement of automatic screw feeder.

The prior automatic screw feeder has certain disadvantages when in use, and a patent document with the patent number of 201710396192.6 discloses a screw feeding device which is improved as follows: the screw feeding and distributing device comprises a feeding mechanism, a material arranging mechanism and a material distributing mechanism which are sequentially connected, and a controller which is respectively connected with the feeding mechanism, the material arranging mechanism and the material distributing mechanism, wherein the material arranging mechanism comprises a straight vibrating material channel for arranging screws in the straight vibrating material channel, an air blowing mechanism for blowing the screws which are not embedded in the straight vibrating material channel back to the feeding mechanism, and an air blowing electromagnetic valve arranged between the air blowing mechanism and a compressed air source; the sensor connected with the controller is arranged on the straight vibrating material channel and close to the outlet end, the air blowing electromagnetic valve is connected with the controller, the controller controls the air blowing electromagnetic valve to be closed after the sensor is triggered, and the air blowing mechanism stops working, so that the problems of large volume, large occupied area and large noise of the traditional vibrating disc type screw feeding machine are solved, but a plurality of screws cannot be continuously and simultaneously conveyed to equipment at a time; patent document No. 201710646544.9 discloses a one-out-two screw feeder, which proposes to receive screws respectively by switching the position of a material distributor, so as to realize continuous single-time simultaneous delivery of two screws to the equipment, but when the feeder is jammed or cleaned, the feeder screws need to be cleaned, and only manual cleaning can be performed; patent No. 201821527626.8 discloses a two-position switching screw feeding device, in which screws are fed by a vibrating tray, and the screws are turned to a groove through screws on a screw falling groove, and the positions of the screws are adjusted to be thrown into an inner cavity of a material conveying pipe, so that the screws are blown to target equipment through air flow, and this solution also fails to solve the problem that the screws of the feeder need to be emptied when the screws are jammed or cleared, and the vibrating tray form has high feeding noise and large occupied space, which is not beneficial to people's use, although the above three technical solutions reduce the noise of the equipment to a certain extent and improve the screw conveying efficiency, they cannot simultaneously satisfy the low running noise of the equipment, and can realize automatic material clearing when the equipment is abnormally jammed or the screws need to be emptied while improving the screw conveying efficiency, releasing the manual demand to the greatest extent, and bringing certain adverse effects to people's use process, to this end, we propose an automatic screw feeder.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic screw feeder, wherein a feeding device ensures that screws are continuously pushed to a straight vibration material channel connected with the edge of a screw bin in a grading screw feeding mode, the screws are transmitted to the tail end of the straight vibration material channel by the vibration of a straight vibration system, the screws which do not vertically fall into the straight vibration material channel are blown back to the screw bin by a blowing device, the screws are continuously and vertically distributed on the straight vibration material channel, a feeding mechanism blows the screws at the tail end of the straight vibration to three storage positions of a blowing mechanism in a grading mode, after the feeding is finished, the blowing mechanism blows three screws to equipment once, and the blowing mechanism has a material cleaning function, the screw feeder can empty redundant screws in the blowing mechanism according to actual requirements, can blow multiple screws to equipment rapidly and continuously at the same time, and can effectively solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an automatic screw feeder, includes frame, loading attachment, directly shakes system, feeding mechanism, blows material mechanism, waste material box, the inside top of frame is equipped with the roof, and goes up the up end location installation loading attachment of roof, directly shakes system, feeding mechanism, blows material mechanism, the frame below is equipped with the frame reinforcement, the lower extreme external surface fixedly connected with of frame reinforcement supports the lower margin, waste material box bottom surface and the inside fixed extension board that is provided with of frame, waste material box is connected with the frame through fixed extension board.

As an optimal technical scheme, loading attachment pushes away material slide, screw branch flitch, pushes away the material slide and is connected the fixed plate and constitute by screw feed bin, material cylinder, feed bin support, one number, the screw feed bin is V type shape, feed bin support bottom and the last roof fixed connection of frame, feed bin support inclined plane and the laminating fixed connection of screw feed bin outside, the screw divides the flitch to link firmly in the screw feed bin and parallels with feed bin support inclined plane and screw feed bin binding face, it pastes the upper surface in the screw branch flitch to push away the material slide for one number, it laminates in the lower surface of screw branch flitch to push away the material slide for two numbers.

As an optimal technical scheme, the lower ends of the first material pushing sliding plate and the second material pushing sliding plate are respectively connected to one end of the connecting and fixing plate through bolts, the other end of the connecting and fixing plate is connected with the tail end of a piston rod of the material pushing cylinder through bolts, and the material pushing cylinder body is connected with the bin support through bolts.

As a preferred technical scheme, the direct vibration system is composed of a direct vibration material channel, a blowing device and a direct vibration device, the direct vibration device is connected with an upper top plate of the rack through a bolt, the direct vibration material channel is installed above the direct vibration device and is connected with a discharge port of the storage bin, and the blowing device is installed on one side, opposite to the screw, of the front end of the direct vibration material channel.

As a preferable technical scheme, the feeding mechanism consists of a first L-shaped bracket, a blanking cylinder, a second L-shaped bracket, a blanking slide block, a feeding cavity, a screw in-place sensor, a feeding air blowing pipe and a first sensor bracket, the short end surface of the first L-shaped bracket is connected with an upper top plate of the frame through a bolt, the long end surface of the cutting cylinder is provided with a threaded hole, the cutting cylinder is connected with the threaded hole of the long end surface of the first L-shaped bracket through a screw, the short end surface of the second L-shaped bracket is connected with the upper top plate of the frame through a bolt, the long end surface of the feeding cavity is provided with a waist-shaped hole, the feeding cavity is provided with a square through hole, the feeding cavity is horizontally arranged along the direction of the square hole, the rear side surface of the rotary drum is provided with a threaded hole, the upper side surface is provided with a discharging through hole, the lower side surface is provided with a threaded through hole, and the waist-shaped hole on the long end surface of the second L-shaped support is connected with the threaded hole on the rear side surface of the feeding cavity through a screw.

As a preferred technical scheme, the pay-off gas blow pipe inserts the air pipe and connects, and corresponding air pipe connects and pay-off cavity downside screw hole threaded connection, pay-off blows material pipe one end and inserts material pipe locking piece, and corresponding material pipe locking piece passes through screw fixation in pay-off cavity upper flank ejection of compact through-hole department, two sets of sensor support align to arrange side about the pay-off cavity, and a sensor support is equipped with the screw hole, the screw is in place the sensor and passes through threaded connection with a sensor support screw hole, the blank slider is the T type, and the piston rod end of the wide terminal surface of blank slider and blank cylinder passes through bolted connection, and its narrow end side is equipped with U type groove to with pay-off cavity square hole clearance fit.

As a preferred technical scheme, the material blowing mechanism comprises a servo electric cylinder, an electric cylinder fixing plate, a third L-shaped support, a floating connection, a material blowing sliding block, a material blowing cavity, a screw existence sensor, a screw in-place sensor, a material blowing pipe, a material blowing blowpipe, a plug, a gas pipe connector, a material pipe locking block, a second sensor support, a waste material blowing pipe and a waste material blowpipe, wherein a through hole and an electric cylinder fixing threaded hole are formed in the middle of the electric cylinder fixing plate, a telescopic rod of the servo electric cylinder penetrates through the through hole in the middle of the electric cylinder fixing plate, a servo electric cylinder body is fixed on the threaded hole of the electric cylinder fixing plate through a screw, the electric cylinder fixing plate is fixedly connected with an upper top plate of a rack, the material blowing sliding block is in a cuboid shape and is vertically arranged, three uniformly distributed central through holes are formed above the material blowing sliding block, threaded holes are formed in the lower end face of the material blowing sliding block, the other end of the third L-shaped support is in threaded connection with a telescopic rod of the servo electric cylinder, the short end face of the third L-shaped support is in bolted connection with an upper top plate of the rack, a plurality of through holes are formed in the long end face of the third L-shaped support, square through holes are formed in the blowing cavity, the blowing cavity is vertically and horizontally arranged along the direction of the square holes, a plurality of threaded holes are formed in the rear side of the blowing cavity and are connected with a plurality of through holes in the long end face of the third L-shaped support through screws, five uniformly distributed central through holes are formed in the right side of the blowing cavity, five uniformly distributed central threaded holes are formed in the left side of the blowing cavity corresponding to the blowing cavity, the distance between the central through holes and the central threaded holes in the blowing cavity is equal to the distance between the central through holes in the blowing sliding block, and the square.

As a preferred technical scheme, one end of the feeding blowing pipe is inserted into the material pipe locking block, the corresponding material pipe locking block is fixed at a first hole position on the right side of the blowing cavity through a bolt, the three blowing pipes are respectively inserted into the material pipe locking block, the corresponding material pipe locking block is fixed at a second, a third and a fourth hole position on the right side of the blowing cavity through a bolt, one end of the waste blowing pipe is inserted into the material pipe locking block, the corresponding material pipe locking block is fixed at a fifth hole position on the right side of the blowing cavity through a bolt, the other end of the waste blowing pipe is inserted into the material pipe locking block, the corresponding material pipe locking block is fixed above the waste box through a bolt, the end of the plug is provided with a thread, the plug is in threaded connection with the first hole position on the left side of the blowing cavity, the three blowing pipes are respectively inserted into the air pipe connectors, and the corresponding air pipe connectors are in threaded connection with the second, the third and, The fourth screw hole passes through threaded connection, waste material gas blow pipe one end inserts the trachea and connects, and corresponding trachea joint with blow material cavity left side fifth screw hole and pass through threaded connection, blow material cavity top front and back side and rather than the first centre bore class height on right side and be equipped with two sensor detection through-holes, the sensor that targets in place of screw is arranged left side sensor in and is detected the through-hole, the screw exists the inductor and arranges right side sensor in and detect the through-hole, the screw exists the inductor and the sensor that targets in place of screw links firmly in blowing material cavity front and back side through No. two sensor support.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic screw feeder, which has the following beneficial effects: the automatic screw feeder has the advantages that the feeding device adopts a feeding mode of reciprocating pushing by the air cylinder and conveying screws in a grading mode, the screws are guaranteed to be continuously pushed to the straight vibrating material channel connected with the edge of the screw bin, the feeding mode not only effectively reduces the equipment noise and reduces the screw abrasion, but also has relatively simple structure, small occupied space and convenient maintenance, the screws are conveyed to the tail end of the straight vibrating material channel by the vibration of the straight vibrator of the straight vibrating system, the screws which do not vertically fall into the straight vibrating material channel can be blown back to the screw bin by the air blowing device, the screws are guaranteed to be continuously distributed on the straight vibrating material channel in a vertical mode and continuously conveyed to the tail end of the straight vibrating material channel in a vibrating mode, when the cutting air cylinder of the feeding mechanism retracts, the U-shaped groove of the cutting slide block is opposite to the straight vibrating material channel, the screws on the straight vibrating material channel are pushed into the U-shaped groove of the cutting slide block by the vibration thrust of the straight vibrating system, and the screw in-place, the screw is dragged into a material blowing hole of the feeding cavity at the extending position of the material cutting cylinder, the feeding air blowing pipe supplies high-pressure gas, the screw is blown into the material blowing device from the feeding cavity through the feeding air blowing pipe, the material blowing mechanism is provided with three material storage positions, the material storage positions are switched by jacking the material blowing sliding block through the servo electric cylinder, the feeding mechanism continuously feeds the three material storage positions of the material blowing mechanism, so that the continuous and efficient feeding of the screw is ensured, after the feeding is completed, the servo electric cylinder jacks the material blowing sliding block to the material blowing position, the three material blowing air blowing pipes simultaneously blow the high-pressure gas, three screws are simultaneously blown to equipment through the material blowing air blowing pipe, when the material blowing mechanism needs to clean the material, the servo electric cylinder jacks the three material storage positions of the material blowing sliding block to the material cleaning position of the material blowing cavity in times, the high-pressure gas is blown into the waste material blowing pipe, the screws in the material blowing sliding block can be sequentially, convenient operation, the effect of using is better than traditional mode.

Drawings

Fig. 1 is a schematic structural view of an automatic screw feeder according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an integral three-dimensional automatic screw feeder according to the present invention.

Fig. 3 is a schematic structural diagram of a top view of an automatic screw feeder according to the present invention.

Fig. 4 is a schematic structural diagram of a side view of an automatic screw feeder according to the present invention.

Fig. 5 is a schematic structural diagram of a second side view of an automatic screw feeder according to the present invention.

Fig. 6 is a schematic structural view of a feeding state in an automatic screw feeder according to the present invention.

Fig. 7 is a schematic structural view illustrating a blowing state in an automatic screw feeder according to the present invention.

Fig. 8 is a schematic structural view illustrating a material removing state in an automatic screw feeder according to the present invention.

In the figure: 1. a frame; 101. supporting the ground feet; 102. an outer frame reinforcement; 2. a feeding device; 201. a screw bin; 202. a material pushing cylinder; 203. a bin support; 204. a first material pushing sliding plate; 205. a screw material distributing plate; 206. a second pushing sliding plate; 207. connecting the fixed plate; 3. a direct vibration system; 301. a direct vibration material channel; 302. a blowing device; 303. a straight vibration device; 4. a feeding mechanism; 401. a first L-shaped bracket; 402. a material cutting cylinder; 403. a second L-shaped bracket; 404. a material cutting slide block; 405. a feeding cavity; 406. a screw in-position sensor; 407. a feeding air blowing pipe; 408. feeding and blowing a material pipe; 409. a first sensor support; 5. a blowing mechanism; 501. a servo electric cylinder; 502. an electric cylinder fixing plate; 503. a third L-shaped bracket; 504. floating connection; 505. blowing the material sliding block; 506. blowing a material cavity; 507. a screw presence sensor; 508. a screw in-place sensor; 509. blowing the material and blowing the material pipe; 510. a material blowing and air blowing pipe; 511. a plug; 512. a gas pipe joint; 513. a material pipe locking block; 514. a second sensor support; 515. blowing a waste material pipe; 516. a waste gas blowing pipe; 6. a waste material box.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, an automatic screw feeder comprises a frame 1, a feeding device 2, a direct vibration system 3, a feeding mechanism 4, a blowing mechanism 5 and a waste material box 6, wherein an upper top plate is arranged above the inside of the frame 1, the feeding device 2, the direct vibration system 3, the feeding mechanism 4 and the blowing mechanism 5 are arranged on the upper end surface of the upper top plate in a positioning mode, an outer frame reinforcing member 102 is arranged below the frame 1, a supporting ground foot 101 is fixedly connected to the outer surface of the lower end of the outer frame reinforcing member 102, a fixing support plate is arranged on the bottom surface of the waste material box 6 and the inside of the frame 1, and the waste material box 6 is connected with the frame 1 through the.

Further, the feeding device 2 is composed of a screw bin 201, a material pushing cylinder 202, a bin support 203, a first material pushing sliding plate 204, a screw material separating plate 205, a second material pushing sliding plate 206 and a connecting and fixing plate 207, wherein the screw bin 201 is in a V shape, the bottom of the bin support 203 is fixedly connected with the upper top plate of the rack 1, the inclined surface of the bin support 203 is fixedly connected with the outer surface of the screw bin 201 in an attaching mode, the screw material separating plate 205 is fixedly connected in the screw bin 201 and is parallel to the inclined surface of the bin support 203 and the attaching surface of the screw bin 201, the first material pushing sliding plate 204 is attached to the upper surface of the screw material separating plate 205, the second material pushing sliding plate 206 is attached to the lower surface of the screw material separating plate 205, the feeding device 2 is pushed in a reciprocating mode by the cylinder, and screws are conveyed in a grading mode to guarantee that the screws are continuously pushed to the straight vibrating.

Furthermore, the lower ends of the first pushing sliding plate 204 and the second pushing sliding plate 206 are respectively connected to one end of the connecting and fixing plate 207 through bolts, the other end of the connecting and fixing plate 207 is connected to the tail end of the piston rod of the pushing cylinder 202 through bolts, and the body of the pushing cylinder 202 is connected to the bin support 203 through bolts.

Further, the direct vibration system 3 is composed of a direct vibration material channel 301, a blowing device 302 and a direct vibration device 303, the direct vibration device 303 is connected with an upper top plate of the rack 1 through a bolt, the direct vibration material channel 301 is installed above the direct vibration device 303, the direct vibration material channel 301 is connected with a discharge port of the storage bin, the blowing device 302 is installed on one side of the front end of the direct vibration material channel 301 opposite to the screw storage bin 201, screws which do not correctly fall into the material channel are blown back to the screw storage bin 201, the screws are distributed on the direct vibration material channel 301 in a continuous vertical mode, the screws are vibrated by the direct vibration device 303 of the direct vibration system 3 and are transmitted to the tail end of the direct vibration material channel 301, and the screws continuously vibrate towards the tail end of the direct vibration material channel 301. Thereby ensuring that the screws are continuously advanced in a straight line in a manner that they drop vertically into the straight vibrating material channel 301.

Further, the feeding mechanism 4 is composed of a first L-shaped bracket 401, a blanking cylinder 402, a second L-shaped bracket 403, a blanking slide block 404, a feeding cavity 405, a screw in-place sensor 406, a feeding gas blowing pipe 407, a feeding gas blowing pipe 408 and a first sensor bracket 409, the short end surface of the first L-shaped bracket 401 is connected with the upper top plate of the frame 1 through a bolt, the long end surface of the cutting cylinder is provided with a threaded hole, the cutting cylinder 402 is connected with the threaded hole of the long end surface of the first L-shaped bracket 401 through a screw, the short end surface of the second L-shaped bracket 403 is connected with the upper top plate of the frame 1 through a bolt, and the long end face is provided with a waist-shaped hole, the feeding cavity 405 is provided with a square through hole, the feeding cavity 405 is horizontally arranged along the direction of the square hole, and the rear side surface of the second L-shaped bracket 403 is provided with a threaded hole, the upper side surface of the second L-shaped bracket is provided with a discharge through hole, the lower side surface of the second L-shaped bracket is provided with a threaded through hole, and a waist-shaped hole on the long end surface of the second L-shaped bracket 403 is connected with the threaded hole on the rear side surface of the feeding.

Further, a feeding blowing pipe 407 is inserted into the air pipe connector 512, a corresponding air pipe connector 512 is in threaded connection with a threaded hole on the lower side of the feeding cavity 405, one end of a feeding blowing pipe 408 is inserted into a material pipe locking block 513, the corresponding material pipe locking block 513 is fixed at a discharge through hole on the upper side of the feeding cavity 405 through a screw, two groups of first sensor brackets 409 are arranged on the upper side and the lower side of the feeding cavity 405 in an aligned mode, a screw in-place sensor 406 is in threaded connection with the sensor threaded hole, the blanking sliding block 404 is T-shaped, the wide end face of the blanking sliding block 404 is connected with the tail end of a piston rod of the blanking cylinder 402 through a bolt, a U-shaped groove is arranged on the narrow end side of the blanking sliding block and is in clearance fit with a square hole of the feeding cavity 405, when the blanking cylinder 402 retracts, the U-shaped groove faces the alignment vibration channel, the screw on the straight vibration channel is pushed into the U, the screw in-place sensor 508 detects the existence of screws in a U-shaped groove of the cutting slide block 404, the cutting cylinder 402 extends out, the screws are dragged into a material blowing hole of the feeding cavity 405, and the feeding air blowing pipe 407 supplies high-pressure air, so that the screws are continuously blown into each screw storage position of the blowing mechanism 5 from the feeding cavity 405 through the feeding air blowing pipe 408.

Further, the material blowing mechanism 5 is composed of a servo electric cylinder 501, an electric cylinder fixing plate 502, a third L-shaped bracket 503, a floating connection 504, a material blowing sliding block 505, a material blowing cavity 506, a screw existence sensor 507, a screw in-place sensor 508, a material blowing pipe 509, a material blowing gas pipe 510, a plug 511, an air pipe connector 512, a pipe locking block 513, a second sensor bracket 514, a waste material blowing pipe 515 and a waste material blowing pipe 516, a through hole and an electric cylinder fixing threaded hole are arranged in the middle of the electric cylinder fixing plate 502, a telescopic rod of the servo electric cylinder 501 penetrates through the through hole in the middle of the electric cylinder fixing plate 502, the servo electric cylinder 501 is fixed on the threaded hole of the electric cylinder fixing plate 502 through a screw, the electric cylinder fixing plate 502 is fixedly connected with an upper top plate of the frame 1, the material blowing sliding block 505 is cuboid-shaped and vertically arranged, three uniformly distributed central through holes are arranged above the material blowing sliding block 505, a threaded hole is arranged on the lower end surface, one, the other end of the servo electric cylinder 501 is connected with an expansion link of the servo electric cylinder 501 through threads, the short end surface of the third L-shaped bracket 503 is connected with an upper top plate bolt of the frame 1, the long end surface is provided with a plurality of through holes, a square through hole is arranged in the blowing cavity 506, the blowing cavity 506 is vertically and horizontally arranged along the direction of the square hole, the rear side of the blowing cavity 506 is provided with a plurality of threaded holes and is connected with a plurality of through holes on the long end surface of the third L-shaped bracket 503 through screws, the right side of the blowing cavity 506 is provided with five uniformly distributed central through holes, the left side corresponding to the blowing cavity 506 is provided with five uniformly distributed central threaded holes, the distance between the central through holes and the central threaded holes on the blowing cavity 506 is equal to the distance between the central through holes on the blowing slide block 505, the square hole of the blowing cavity 506 is in transition fit with the blowing slide block 505, when the blowing mechanism 5 needs to clean, the servo electric cylinder 501 lifts three storage positions of the blowing slide block 505 to, the waste blow pipe 516 may blow the screws in the blow block 505 into the waste box 6 in turn.

Further, one end of the feeding blowing pipe 408 is inserted into a pipe locking block 513, the corresponding pipe locking block 513 is fixed at a first hole position on the right side of the blowing cavity 506 through a bolt, the three blowing pipes 509 are respectively inserted into the pipe locking blocks 513, the corresponding pipe locking block 513 is fixed at a second, third and fourth hole positions on the right side of the blowing cavity 506 through a bolt, one end of the waste blowing pipe 515 is inserted into the pipe locking block 513, the corresponding pipe locking block 513 is fixed at a fifth hole position on the right side of the blowing cavity 506 through a bolt, the other end of the waste blowing pipe 515 is inserted into the pipe locking block 513, the corresponding pipe locking block 513 is fixed above the waste box 6 through a bolt, the end of the plug 511 is provided with a thread, the plug 511 is in threaded connection with the first hole position on the left side of the blowing cavity 506, the three blowing pipes 510 are respectively inserted into the pipe connectors 512, and the corresponding pipe connectors 512 and the second hole positions on the left, Third and fourth threaded holes are connected by threads, one end of a waste material blowing pipe 516 is inserted into the air pipe connector 512, the corresponding air pipe connector 512 is connected with a fifth threaded hole on the left side of the blowing cavity 506 by threads, two sensor detection through holes are arranged on the front and back sides above the blowing cavity 506 and at the same height as the first central hole on the right side of the blowing cavity, the screw in-place sensor 508 is arranged in the left sensor detection through hole, the screw existence sensor 507 is arranged in the right sensor detection through hole, the screw existence sensor 507 and the screw in-place sensor 508 are fixedly connected to the front and back sides of the blowing cavity 506 by a second sensor bracket 514, the screw existence sensor 507 and the screw in-place sensor 508 are used for detecting the screw in-place state that the feeding mechanism 4 blows the screw to the storage position of the blowing mechanism 5, after feeding is completed, high-pressure gas is blown into three blowing pipes 510 simultaneously, and three screws are blown to the equipment, when the material blowing mechanism 5 needs to clean materials, the servo electric cylinder 501 lifts the three storage positions of the material blowing slide block 505 to the material cleaning position of the material blowing cavity 506 in a grading manner, and the high-pressure gas blown into the waste material blowing pipe 516 can sequentially blow the screws in the material blowing slide block 505 into the waste material box 6.

The working principle is as follows: the screw feeding device comprises a rack 1, a feeding device 2, a straight vibration system 3, a feeding mechanism 4, a blowing mechanism 5 and a waste material box 6, wherein the feeding device 2 ensures that screws are continuously pushed to a straight vibration material channel 301 connected with the edge of a screw bin 201 in a graded screw conveying feeding mode, the screws are conveyed to the tail end of the straight vibration material channel 301 through vibration of a straight vibration device 303 of the straight vibration system 3, the screws which do not vertically fall into the straight vibration material channel 301 are blown back to the screw bin 201 by a blowing device 302, the screws are continuously and vertically distributed on the straight vibration material channel 301, the screws at the tail end of the straight vibration material channel 301 are blown to three storage positions of the blowing mechanism 5 by the feeding mechanism 4 in a graded mode, after feeding is finished, the blowing mechanism 5 blows three screws to equipment once, the blowing mechanism 5 has a material cleaning function, redundant screws in the blowing mechanism 5 can be cleaned according to actual requirements, and the screws can be quickly, A plurality of particles are continuously and simultaneously blown to the equipment, the feeding device 2 adopts a feeding mode of reciprocating pushing by the pushing cylinder 202 and screw grading transmission to ensure that the screws are continuously pushed to the straight vibrating material channel 301 connected with the edge of the screw bin 201, the feeding mode not only effectively reduces the noise of the equipment and reduces the screw abrasion, but also has relatively simple structure, small occupied space and convenient maintenance, the screws are transmitted to the tail end of the straight vibrating material channel 301 by the vibration of the straight vibrator 303 of the straight vibrating system 3, the screws which do not vertically fall into the straight vibrating material channel 301 can be blown back to the screw bin 201 by the air blowing device 302, the screws are continuously and vertically distributed on the straight vibrating material channel 301 and are continuously transmitted to the tail end of the straight vibrating material channel 301 by the vibration of the U-shaped groove of the cutting slide block 404 to the straight vibrating material channel 301, the screws on the straight vibrating material channel 301 are pushed into the U-shaped groove of the cutting slide block 404 by the vibration pushing force of the straight vibrating system 3, the screw in-position inductor 508 detects that the screws are, the material cutting cylinder 402 extends out, screws are dragged into a material blowing hole of the feeding cavity 405, the feeding and blowing pipe 407 supplies high-pressure gas, the screws are blown into a material blowing device from the feeding cavity 405 through the feeding and blowing pipe 408, continuous and efficient feeding of the screws is guaranteed, the material blowing mechanism 5 has three material storage positions, the material blowing slider 505 is jacked by the servo electric cylinder 501 to switch the material storage positions, the three material storage positions of the material feeding mechanism 4 which is continuously fed to the material blowing mechanism 5 are achieved, the screw existence sensor 507 and the screw in-place sensor 508 are used for detecting the screw in-place state of the material feeding mechanism 4 which blows the screws to the material blowing mechanism 5 storage positions, after feeding is completed, the servo electric cylinder 501 jacks the material blowing slider 505 to the material blowing position, the material blowing pipe 510 blows high-pressure gas, the three screws are blown to the equipment through the material blowing pipe 509 at the same time, when the material blowing mechanism 5 needs cleaning, the servo electric cylinder 501 jacks the three material storage positions of the material blowing slider 505 to the material blowing cavity 506 in different, the high-pressure gas blown from the waste blowing pipe 516 can sequentially blow the screws in the blowing slider 505 into the waste box 6.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic screw feeder, includes frame (1), loading attachment (2), directly shakes system (3), feeding mechanism (4), blows material mechanism (5), waste material box (6), its characterized in that: the improved feeding device is characterized in that an upper top plate is arranged above the inside of the rack (1), a feeding device (2), a direct vibration system (3), a feeding mechanism (4) and a blowing mechanism (5) are installed on the upper end face of the upper top plate in a positioning mode, an outer frame reinforcing piece (102) is arranged below the rack (1), supporting feet (101) are fixedly connected to the outer surface of the lower end of the outer frame reinforcing piece (102), a fixed support plate is arranged on the bottom face of the waste material box (6) and inside the rack (1), and the waste material box (6) is connected with the rack (1) through the fixed support plate.

2. The automatic screw feeder of claim 1, wherein: loading attachment (2) are pushed away material slide (204), screw branch flitch (205), are pushed away No. one by screw feed bin (201), push away material cylinder (202), feed bin support (203), push away material slide (206) and be connected fixed plate (207) and constitute No. two, screw feed bin (201) are V type shape, feed bin support (203) bottom and the last roof fixed connection of frame (1), feed bin support (203) inclined plane and the laminating fixed connection of screw feed bin (201) outside, screw branch flitch (205) link firmly in screw feed bin (201) and are parallel with feed bin support (203) inclined plane and screw feed bin (201) binding face, push away the upper surface that material slide (204) laminated in screw branch flitch (205) for one number, it laminates in the lower surface of screw branch flitch (205) to push away material slide (206) for two numbers.

3. An automatic screw feeder according to claim 2, characterized in that: the lower extreme that pushes away material slide (204) and No. two material slide (206) pushes away respectively through bolted connection in the one end of connecting fixed plate (207), the piston rod that connects fixed plate (207) other end and push away material cylinder (202) is terminal to pass through screw bolt connection, push away and pass through bolted connection between material cylinder (202) body and the feed bin support (203).

4. The automatic screw feeder of claim 1, wherein: directly shake system (3) and constitute by directly shaking material way (301), gas blowing device (302) and straight oscillator (303), bolted connection is passed through with the last roof of frame (1) to straight oscillator (303), directly shake material way (301) and install the top at straight oscillator (303), and directly shake material way (301) and link up mutually with the feed bin discharge gate, directly shake material way (301) front end and the relative one side of screw and install gas blowing device (302).

5. The automatic screw feeder of claim 1, wherein: the feeding mechanism (4) consists of a first L-shaped support (401), a blanking cylinder (402), a second L-shaped support (403), a blanking sliding block (404), a feeding cavity (405), a screw in-place sensor (406), a feeding blow pipe (407), a feeding blow pipe (408) and a first sensor support (409), wherein the short end face of the first L-shaped support (401) is connected with the upper top plate of the rack (1) through a bolt, the long end face of the first L-shaped support is provided with a threaded hole, the blanking cylinder (402) is connected with the threaded hole of the long end face of the first L-shaped support (401) through a screw, the short end face of the second L-shaped support (403) is connected with the upper top plate of the rack (1) through a bolt, the long end face of the second L-shaped support is provided with a waist-shaped hole, the feeding cavity (405) is provided with a square through hole, the feeding cavity (405) is horizontally arranged along the direction of the square, the upper side surface is provided with a discharge through hole, the lower side surface is provided with a thread through hole, and a waist-shaped hole on the long end surface of the second L-shaped support (403) is connected with a thread hole on the rear side surface of the feeding cavity (405) through a screw.

6. An automatic screw feeder according to claim 5, characterized in that: the feeding blowing pipe (407) is inserted into the air pipe connector (512), the corresponding air pipe connector (512) is in threaded connection with a threaded hole on the lower side surface of the feeding cavity (405), one end of the feeding blowing pipe (408) is inserted into the pipe locking block (513), and the corresponding material pipe locking block (513) is fixed at the discharge through hole on the upper side surface of the feeding cavity (405) through a screw, the two groups of first sensor brackets (409) are arranged on the upper and lower side surfaces of the feeding cavity (405) in an aligning way, the first sensor support (409) is provided with a threaded hole, the screw in-place sensor (406) is in threaded connection with the threaded hole of the first sensor support (409), the material cutting slide block (404) is T-shaped, the wide end surface of the blanking sliding block (404) is connected with the tail end of a piston rod of the blanking cylinder (402) through a bolt, and the narrow end side of the feeding cavity is provided with a U-shaped groove which is in clearance fit with the square hole of the feeding cavity (405).

7. The automatic screw feeder of claim 1, wherein: the material blowing mechanism (5) consists of a servo electric cylinder (501), an electric cylinder fixing plate (502), a third L-shaped support (503), a floating connection (504), a material blowing sliding block (505), a material blowing cavity (506), a screw existence sensor (507), a screw in-place sensor (508), a material blowing pipe (509), a material blowing blow pipe (510), a plug (511), an air pipe joint (512), a material pipe locking block (513), a second sensor support (514), a waste material blowing pipe (515) and a waste material blowing pipe (516), a through hole and an electric cylinder fixing threaded hole are formed in the middle of the electric cylinder fixing plate (502), a telescopic rod of the servo electric cylinder (501) penetrates through the through hole in the middle of the electric cylinder fixing plate (502), a body of the servo electric cylinder (501) is fixed to the threaded hole of the electric cylinder fixing plate (502) through a screw, and the electric cylinder fixing plate (502) is fixedly connected with an upper top plate of the rack (1), the material blowing sliding block (505) is in a cuboid shape and is vertically arranged, three uniformly distributed central through holes are arranged above the material blowing sliding block (505), a threaded hole is formed in the lower end face of the material blowing sliding block, one end of the floating connection (504) is in threaded connection with the threaded hole of the material blowing sliding block (505), the other end of the floating connection is in threaded connection with the telescopic rod of the servo electric cylinder (501), the short end face of the third L-shaped support (503) is in bolted connection with the upper top plate of the rack (1), a plurality of through holes are formed in the long end face of the third L-shaped support (503), a square through hole is formed in the material blowing cavity (506), the material blowing cavity (506) is vertically and horizontally arranged along the direction of the square hole, a plurality of threaded holes are formed in the rear side of the material blowing cavity (506) and are in threaded connection with a plurality of through holes in the long end face of the third L-shaped support (503), five uniformly distributed central through holes are formed in the right side of the material blowing cavity (, and the distance between the central through hole and the central threaded hole on the blowing cavity (506) is equal to that on the blowing sliding block (505), and the square hole of the blowing cavity (506) is in transition fit with the blowing sliding block (505).

8. The automatic screw feeder of claim 7, wherein: one end of the feeding and blowing pipe (408) is inserted into a pipe locking block (513), the corresponding pipe locking block (513) is fixed at a first hole position on the right side of the blowing cavity (506) through a bolt, the three blowing and blowing pipes (509) are respectively inserted into the pipe locking blocks (513), the corresponding pipe locking blocks (513) are fixed at a second hole position, a third hole position and a fourth hole position on the right side of the blowing cavity (506) through bolts, one end of the waste blowing pipe (515) is inserted into the pipe locking block (513), the corresponding pipe locking block (513) is fixed at a fifth hole position on the right side of the blowing cavity (506) through a bolt, the other end of the waste blowing pipe (515) is inserted into the pipe locking block (513), the corresponding pipe locking block (513) is fixed above the waste material box (6) through a bolt, a thread is arranged at the end part of the plug (511), and the plug (511) is in threaded connection with the first hole position on the left side of the blowing, the three blowing air pipes (510) are respectively inserted into the air pipe connectors (512), the corresponding air pipe connectors (512) are in threaded connection with the second, third and fourth threaded holes on the left side of the blowing cavity (506), one end of the waste air pipe (516) is inserted into the air pipe connectors (512), and the corresponding air pipe joint (512) is connected with a fifth threaded hole on the left side of the blowing cavity (506) through threads, two sensor detection through holes are arranged on the front side surface and the rear side surface above the blowing cavity (506) at the same height as the first center hole on the right side of the blowing cavity, the screw in-place sensor (508) is arranged in the left sensor detection through hole, the screw existence sensor (507) is arranged in the right sensor detection through hole, the screw existence sensor (507) and the screw in-place sensor (508) are fixedly connected to the front side face and the rear side face of the blowing cavity (506) through a second sensor support (514).