CN111250966A - Automatic screw-in machine for screw - Google Patents

Abstract

The invention discloses an automatic screw driver, which comprises a feeding assembly, a feeding mechanism, a discharging mechanism, a feeding mechanism and a screw driving assembly, wherein the feeding mechanism is arranged on the feeding mechanism; the screwing assembly comprises a screwing mounting plate, a screwing lifting driving mechanism, a screwing driving motor, a screwdriver head, a screwing position sensor arranged on the screwing mounting plate and a screwing triggering sheet which is arranged on the screwing lifting plate and is matched with the screwing position sensor; the feeding mechanism comprises a feeding vibration disc, a feeding pipeline arranged at the outlet of the feeding vibration disc, and a feeding vibrator arranged on the feeding pipeline. Twist and rise actuating mechanism and drive and twist into lifter plate downstream, twist into driving motor and drive and criticize the head and twist the operation to the screw, twist when the twist on the twist lifter plate triggers the piece and triggers when twisting position sensor, twist into driving motor stall, and then realize twisting the preset degree of depth with the screw, and then promoted the efficiency of screwing up of screw.

Description

Automatic screw-in machine for screw

Technical Field

The invention relates to the field of processing equipment of a wiring frame, in particular to an automatic screw-in machine for screws.

Background

The wiring frame is used for the installation and the fixed of wire, utilizes the screw to fix wire fixed mounting on the wiring frame usually, consequently for the convenience of subsequent installation is fixed, needs to twist the screw into the wiring frame in advance, and follow-up operation screw can accomplish the installation of wire fixed.

The existing screw screwing-in equipment mainly directly screws a screw to the bottom of a wiring frame, the screwing-in height of the screw cannot be adjusted, or the height of the screw screwed into the wiring frame is adjusted by screwing the screw to the bottom and then reversely screwing the fixed number of turns, so that the screw screwing-in efficiency is low.

Disclosure of Invention

The invention aims to provide an automatic screw screwing machine, and aims to solve the problem that in the prior art, the screw screwing efficiency is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

the automatic screw screwing machine comprises a feeding assembly for feeding screws, a feeding mechanism for transferring the screws fed by the feeding assembly to a processing station, a discharging mechanism for placing a wire frame to be screwed with the screws, a feeding mechanism for feeding the wire frame to the discharging mechanism, and a screwing assembly for screwing the screws on the feeding mechanism into the wire frame on the discharging mechanism; the screwing assembly comprises a screwing mounting plate, a screwing lifting plate in sliding connection with the screwing mounting plate, a screwing lifting driving mechanism for driving the screwing lifting plate to slide, a screwing driving motor arranged on the screwing lifting plate, a screwdriver bit arranged on an output shaft of the screwing driving motor and used for screwing a screw, a screwing position sensor arranged on the screwing mounting plate, and a screwing trigger piece arranged on the screwing lifting plate and matched with the screwing position sensor; the feeding mechanism comprises a feeding vibration disc, a feeding pipeline arranged at the outlet of the feeding vibration disc, and a feeding vibrator arranged on the feeding pipeline.

Furthermore, the feeding assembly comprises a screw bin, a feeding lifting plate arranged on the screw bin, a feeding lifting driving mechanism used for driving the feeding lifting plate to move, a feeding rail matched with the feeding lifting plate, and a feeding vibrator arranged on the feeding rail; the top of the feeding lifting plate is provided with a feeding inclined plane inclined towards the direction far away from the feeding track, and the feeding lifting plate is provided with a feeding groove communicated with the feeding track on the feeding inclined plane.

Furthermore, an obstacle sweeping motor is arranged on the screw material box, an output shaft of the obstacle sweeping motor is provided with an obstacle sweeping block, and the obstacle sweeping motor is positioned right above the feeding track; be equipped with the feed mounting panel on the feed track, be equipped with on the feed mounting panel and be used for detecting the full material sensor of the last screw of feed track.

Furthermore, the feeding mechanism comprises a feeding bottom plate, a feeding guide plate which is arranged on the feeding bottom plate and is provided with a feeding guide groove, a feeding push plate which is arranged in the feeding guide groove and is in sliding connection with the feeding guide plate, and a feeding driving device for driving the feeding push plate to move; the pay-off push pedal is offered and is used for receiving the pay-off receiving groove of the last screw of feed track, the pay-off deflector in first pay-off hole of stepping down has been seted up to the tank bottom of pay-off deflector, the pay-off bottom plate seted up with first pay-off hole of stepping down corresponding second pay-off hole of stepping down.

Furthermore, the feeding push plate is provided with a third feeding abdicating hole matched with the first feeding abdicating hole; one side of the feeding bottom plate, which is far away from the feeding guide plate, is provided with a feeding limiting block, and the feeding limiting block is provided with a fourth feeding yielding hole corresponding to the second feeding yielding hole.

Furthermore, two oppositely arranged feeding clamping plates are arranged on the feeding limiting block, and the feeding clamping plates are rotationally connected with the feeding limiting block; the side wall of the feeding guide groove is provided with a feeding gap, and the feeding track is communicated with the feeding guide groove through the feeding gap.

Further, discharge mechanism includes ejection of compact bottom plate, locates ejection of compact bottom plate and be used for placing the wiring frame place the board, be used for promoting the ejection of compact place the ejection of compact push pedal of wiring frame on the board and be used for driving ejection of compact push pedal's ejection of compact promotes actuating mechanism that removes.

Furthermore, the ejection of compact placing plate is offered and is used for placing the ejection of compact standing groove of wire frame, offer on the lateral wall of ejection of compact standing groove and place the mouth in order to supply wire frame in the material loading pipeline gets into the ejection of compact of ejection of compact standing groove, the lateral wall of ejection of compact standing groove is equipped with contact pick-up, the ejection of compact is placed the mouth with contact pick-up is located respectively two lateral walls that ejection of compact standing groove is relative.

Further, be equipped with on the wrong income mounting panel and twist the deflector, it is located to twist the deflector twist the lifter plate and keep away from twist one side of lift actuating mechanism, it offers on the deflector to twist in order to supply the wrong income hole of stepping down that the batch head passes through.

Furthermore, an oil pressure buffer is arranged on the screwing lifting plate and is arranged on one side, close to the screwing guide plate, of the screwing lifting plate; the screwing installation plate is provided with a screwing guide rail, and the screwing lifting plate is provided with a screwing sliding block which is connected with the screwing guide rail in a sliding manner.

The invention has the beneficial effects that: twist and rise actuating mechanism and drive and twist into lifter plate downstream, twist into driving motor and drive and criticize the head and twist the operation to the screw, twist when the twist on the twist lifter plate triggers the piece and triggers when twisting position sensor, twist into driving motor stall, and then realize twisting the preset degree of depth with the screw, and then promoted the efficiency of screwing up of screw.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view showing the structure of an automatic screw driver according to an embodiment of the present invention;

FIG. 2 is a schematic view of a screw assembly of the present invention screwing a screw of a feeding mechanism into a wire frame;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of a screw-in assembly in an embodiment of the present invention;

FIG. 5 is a schematic view of a feed mechanism in an embodiment of the present invention;

FIG. 6 is an exploded view of a feed mechanism in an embodiment of the present invention;

FIG. 7 is a schematic view of a discharge mechanism in an embodiment of the present invention;

FIG. 8 is a schematic view of a feed assembly delivering screws to a feed mechanism in an embodiment of the present invention;

FIG. 9 is a schematic view of a feed assembly according to an embodiment of the present invention;

in the figure:

800. a screw; 900. a wiring frame;

1. a supply assembly; 11. a screw material box; 12. a feed lifting plate; 121. a feed ramp; 122. a feeding tank; 13. a feed lifting drive mechanism; 14. a feed rail; 141. a feeding guide plate; 142. a hook blocking element; 15. a feeding vibrator; 16. an obstacle sweeping motor; 161. an obstacle sweeping block; 17. a feeding mounting plate; 18. a full material sensor;

2. a feeding mechanism; 21. a feeding bottom plate; 211. a second feeding abdicating hole; 22. a feeding guide plate; 221. a feeding guide groove; 222. a first feeding abdicating hole; 223. a feeding gap; 23. a feeding push plate; 231. a feeding receiving groove; 232. a third feeding abdicating hole; 233. a hook abdicating groove; 24. a feeding drive device; 25. a feeding limiting block; 251. a fourth feeding abdicating hole; 26. feeding clamping plates;

3. screwing the assembly in; 31. screwing in the mounting plate; 311. screwing in the guide rail; 32. screwing in the lifting plate; 321. a hydraulic shock absorber; 322. screwing in the sliding block; 33. screwing in a lifting driving mechanism; 34. screwing in a driving motor; 35. a batch head; 36. screwing in a position sensor; 37. screwing in the trigger piece; 38. screwing in a buffer spring; 39. screwing in the guide plate;

4. a discharging mechanism; 41. a discharge bottom plate; 42. a discharging placing plate; 421. a discharging placement groove; 422. a discharging placing opening; 423. a contact sensor; 43. a discharging push plate; 44. the discharging pushes the driving mechanism; 45. a discharge pipeline;

5. a feeding mechanism; 51. a feeding vibration disc; 52. a feeding pipeline; 53. and (4) feeding a vibrator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

As shown in fig. 1 to 9, an embodiment of the present invention provides an automatic screw screwing machine, which includes a feeding assembly 1 for supplying a screw 800, a feeding mechanism 2 for transferring the screw 800 supplied by the feeding assembly 1 to a processing station, a discharging mechanism 4 for placing a wire frame 900 into which the screw 800 is to be screwed, a feeding mechanism 5 for supplying the wire frame 900 to the discharging mechanism 4, and a screwing assembly 3 for screwing the screw 800 on the feeding mechanism 2 into the wire frame 900 on the discharging mechanism 4; the screwing component 3 comprises a screwing mounting plate 31, a screwing lifting plate 32 connected with the screwing mounting plate 31 in a sliding manner, a screwing lifting driving mechanism 33 used for driving the screwing lifting plate 32 to slide, a screwing driving motor 34 arranged on the screwing lifting plate 32, a screwdriver bit 35 arranged on an output shaft of the screwing driving motor 34 and used for screwing the screw 800, a screwing position sensor 36 (which can be a Hall sensor) arranged on the screwing mounting plate 31, and a screwing triggering sheet 37 arranged on the screwing lifting plate 32 and matched with the screwing position sensor 36; the feeding mechanism 5 comprises a feeding vibration tray 51, a feeding pipeline 52 arranged at the outlet of the feeding vibration tray 51, and a feeding vibrator 53 arranged on the feeding pipeline 52.

In the embodiment of the invention, the working process of the automatic screw driving machine is as follows: the feeding assembly 1 is used for processing scattered screws 800 into a state (the head part is above the rod part) convenient for screwing the wiring frame 900, the feeding vibration disc 51 of the feeding mechanism 5 conveys the scattered wiring frame 900 to a corresponding processing position of the discharging mechanism 4 through the feeding pipeline 52, the screws 800 processed by the feeding assembly 1 enter the feeding mechanism 2 and are conveyed to the position right above the wiring frame 900 of the discharging mechanism 4 by the feeding mechanism 2, then the screwing assembly 3 screws the screws 800 into the wiring frame 900 to complete processing, and further automation of screwing the screws 800 is achieved.

The working process of screwing in the assembly 3 is as follows: screw in lift actuating mechanism 33 and drive and twist into lifter plate 32 downstream, twist drive motor 34 and drive batch head 35 and twist the operation to screw 800, twist when twist on the lifter plate 32 twist trigger piece 37 and trigger and twist into position sensor 36, twist drive motor 34 stall (twist and lift actuating mechanism 33 and no longer drive and twist into lifter plate 32 downstream), and then realize twisting screw 800 and twist predetermined degree of depth, and then promoted the efficiency of screwing up of screw 800.

The process that the feeding mechanism 5 conveys the wiring frame 900 to the discharging mechanism 4 is as follows: the feeding vibration disc 51 vibrates and rotates the disordered wire frame 900 to enter the feeding pipeline 52 from the outlet of the feeding vibration disc, and the feeding vibrator 53 vibrates to convey the wire frame 900 in the feeding pipeline 52 to the processing position on the discharging mechanism 4 for subsequent screwing processing.

Further, referring to fig. 8-9, as an embodiment of the screw automatic screwing machine provided by the present invention, the feeding assembly 1 includes a screw bin 11, a feeding lifting plate 12 disposed on the screw bin 11, a feeding lifting driving mechanism 13 for driving the feeding lifting plate 12 to move, a feeding rail 14 engaged with the feeding lifting plate 12, and a feeding vibrator 15 disposed on the feeding rail 14; the top of the material lifting plate 12 has a material inclined plane 121 inclined in a direction away from the material rail 14, and the material lifting plate 12 is provided with a material groove 122 on the material inclined plane 121 and communicated with the material rail 14. The working process of the feed assembly 1 is as follows: a sufficient number of screws 800 are placed in the screw box 11, the feeding elevating driving mechanism 13 drives the feeding elevating plate 12 to move up and down according to a predetermined frequency, when the feeding elevating plate 12 moves to the lowest point, the feeding elevating plate is close to the bottom of the screw box 11 and covered by the screws 800, then during the upward movement of the feeding elevating plate 12, a part of the screws 800 fall into the feeding groove 122 of the feeding elevating plate 12 (the head of the screws 800 is hung on the notch of the feeding groove 122, the rest of the screws are located in the feeding groove 122, and the head of the screws 800 is located above the rod for the subsequent screwing action on the screws 800), the feeding groove 122 is opened on the feeding inclined plane 121, and the feeding inclined plane 121 inclines in a direction away from the feeding rail 14, so that the screws 800 in the feeding groove 122 slide into the feeding rail 14 along the feeding groove 122 due to their own weight, the feeding vibrator 15 works to vibrate the screws 800 in the feeding rail 14 to the output port of the, and then accomplish the automatic feed of screw 800, for the mode that the manual work put into screw 800 feed track 14, effectively promoted machining efficiency.

Further, referring to fig. 8-9, as a specific embodiment of the automatic screw driver provided by the present invention, an obstacle-sweeping motor 16 is disposed on the screw bin 11, an output shaft of the obstacle-sweeping motor 16 is provided with an obstacle-sweeping block 161 (which may be a brush), and the obstacle-sweeping motor 16 is located right above the feeding track 14; a feeding mounting plate 17 is arranged on the feeding track 14, and a full material sensor 18 for detecting a screw 800 on the feeding track 14 is arranged on the feeding mounting plate 17; the supply rail 14 includes two supply guides 141 that are opposed and spaced apart.

When the head of the screw 800 is hung on the opening of the feeding groove 122 and the rest of the head is located in the feeding groove 122, the screw 800 slides along the feeding groove 122 into the feeding rail 14 and moves along the feeding rail 14; the feeding rail 14 has a part of the length inside the screw box 11, if the screws 800 in the screw box 11 hit the feeding rail 14 due to the movement of the feeding lifting plate 12, rather than slide down from the feeding slot 122 into the feeding rail 14, the screws 800 may not move along the feeding rail 14 due to the irregular shape of the screws 800, thereby affecting the movement of other screws 800 on the feeding rail 14; the obstacle sweeping motor 16 is arranged to drive the obstacle sweeping block 161 to rotate, so that the screws 800 which are positioned on the feeding track 14 but not move along the track grooves on the feeding track 14 are swept away, and the normal movement of other screws 800 along the feeding track 14 is prevented from being influenced.

In the processing process, when the supply rail 14 is fully covered with the screws 800, the supply lifting plate 12 continues to lift, and the screws 800 cannot be added to the supply rail 14, the full material sensor 18 is arranged to detect whether the supply rail 14 is fully covered with the screws 800, specifically, the number of the passing screws 800 can be counted by the full material sensor 18, and if the number meets the maximum value that the supply rail 14 can bear, the supply lifting driving mechanism 13 stops working and does not drive the supply lifting plate 12 to do lifting movement any more.

During the movement of the screw 800 on the supply rail 14, the head of the screw 800 is hung on the supply guide plate 141, and the rest of the screw is located in the supply guide groove formed by the gap between the supply guide plates 141, and moves in the supply rail 14 along with the vibration of the supply vibrator 15.

A feeding sensor is arranged on the feeding pipeline 52 of the feeding mechanism 5 synchronously and used for detecting whether the number of the wiring frames 900 in the feeding pipeline 52 meets the preset requirement, and when the feeding track 14 of the full-material sensor 18 is fully distributed with the screws 800 and the feeding sensor detects that the number of the wiring frames 900 in the feeding pipeline 52 meets the preset requirement; the feeding mechanism 2 starts to work, screws 800 are sequentially conveyed to the position right below the screwdriver bit 35, namely the position right above the wiring frame 900, and the screwing component 3 acts to screw the screws 800 into the wiring frame 900.

Further, referring to fig. 5-6, as a specific embodiment of the screw automatic screwing machine provided by the present invention, the feeding mechanism 2 includes a feeding bottom plate 21, a feeding guide plate 22 disposed on the feeding bottom plate 21 and provided with a feeding guide groove 221, a feeding push plate 23 disposed in the feeding guide groove 221 and slidably connected to the feeding guide plate 22, and a feeding driving device 24 for driving the feeding push plate 23 to move; the feeding push plate 23 is provided with a feeding receiving groove 231 for receiving the screw 800 on the feeding rail 14, the feeding guide plate 22 is provided with a first feeding abdicating hole 222 at the bottom of the feeding guide groove 221, and the feeding bottom plate 21 is provided with a second feeding abdicating hole 211 corresponding to the first feeding abdicating hole 222.

When the screw 800 moves to the outlet of the feeding rail 14 and is to be separated from the feeding rail 14, in order to ensure that the equipment for tightening the screw 800 well screws the screw 800 into the wire frame 900, the feeding mechanism 2 is arranged to feed the screw 800 to the processing station, and the specific process is as follows: the screw 800 is separated from the feeding rail 14 and enters the feeding receiving groove 231 on the feeding push plate 23, the feeding driving device 24 drives the feeding push plate 23 to move and drives the screw 800 to move, when the screw 800 moves to the position right above the first feeding abdicating hole 222, the screw 800 drops from the first feeding abdicating hole 222 and continues to penetrate through the second feeding abdicating hole 211 to reach the processing position (the wire frame 900 is placed right below the second feeding abdicating hole 211), and the screw 800 can be screwed into the wire frame 900 through the first feeding abdicating hole 222 and the second feeding abdicating hole 211 by the screwdriver 35 on the device for screwing the screw 800.

Further, referring to fig. 5-6, as a specific embodiment of the screw automatic screwing machine provided by the present invention, the feeding push plate 23 is provided with a third feeding abdicating hole 232 for matching with the first feeding abdicating hole 222; a feeding limiting block 25 is arranged on one side of the feeding bottom plate 21 far away from the feeding guide plate 22, and the feeding limiting block 25 is provided with a fourth feeding abdicating hole 251 corresponding to the second feeding abdicating hole 211. After the screw 800 falls from the first feeding abdicating hole 222, the feeding push plate 23 recovers and receives the next screw 800, the screwdriver head 35 on the equipment for screwing the screw 800 can penetrate through the third feeding abdicating hole 232 and then sequentially penetrate through the first feeding abdicating hole 222 and the second feeding abdicating hole 211 to operate the screw 800, the feeding push plate 23 does not need to be screwed and recovered, and the processing speed is effectively improved. In order to ensure that the screw 800 does not deflect after penetrating through the second feeding abdicating hole 211, the feeding limiting block 25 is arranged, and the screw 800 penetrates through a fourth abdicating hole in the feeding limiting block 25 and then reaches the wiring frame 900.

Further, referring to fig. 5-6, as a specific embodiment of the screw automatic screwing machine provided by the present invention, two feeding clamping plates 26 are oppositely disposed on the feeding limiting block 25, and the feeding clamping plates 26 are rotatably connected with the feeding limiting block 25; the side wall of the feeding guide groove 221 has a feeding notch 223, and the feeding rail 14 communicates with the feeding guide groove 221 through the feeding notch 223. Accomplish the wire frame 900 that screw 800 screwed in and need the ejection of compact to change next wire frame 900, in order to avoid screw 800 to drop under the condition that the station was not put into at next wire frame 900, set up two pay-off splint 26, screw 800 can't pass through pay-off splint 26 under the condition of not receiving external force, when detecting that wire frame 900 reachs the station, the wholesale head 35 on the equipment of screwing up screw 800 pushes down and drives screw 800 and pass through pay-off splint 26 (drive pay-off splint 26 when external force is enough and rotate and realize switching to the open mode relative to pay-off stopper 25), contact with wire frame 900, wholesale head 35 rotates and twists wire frame 900 with screw 800. The supply rail 14 is protruded into the feeding guide groove 221 through the feeding gap 223, and when the feeding push plate 23 is moved in the feeding guide groove 221 such that the feeding receiving groove 231 corresponds to the supply rail 14, the screw 800 of the supply rail 14 is inserted into the feeding receiving groove 231. In order to avoid that the feeding push plate 23 will drive the screw 800 to move in a direction away from the first feeding abdicating hole 222, a hook blocking part 142 is arranged on one side of the first feeding abdicating hole 222 of the raw material of the feeding track 14, and a corresponding hook blocking abdicating groove 233 is synchronously arranged on the feeding push plate 23 for the hook blocking part 142 to pass through, and due to the action of the hook blocking part 142, the feeding push plate 23 will not drive the screw 800 to move in a direction away from the first feeding abdicating hole 222.

Further, referring to fig. 7, as a specific embodiment of the screw automatic screwing machine provided by the present invention, the discharging mechanism 4 includes a discharging bottom plate 41, a discharging placing plate 42 disposed on the discharging bottom plate 41 and used for placing the wire frame 900, a discharging pushing plate 43 used for pushing the wire frame 900 on the discharging placing plate 42, and a discharging pushing driving mechanism 44 used for driving the discharging pushing plate 43 to move. The wiring frame 900 in the feeding pipeline 52 is separated from the feeding pipeline 52 and then reaches the discharging placing plate 42, after the wiring frame 900 is screwed into the screw 800, the discharging pushing driving mechanism 44 drives the discharging pushing plate 43 to push the wiring frame 900 which is screwed into the screw 800 away from the discharging placing plate 42, and the discharging placing plate 42 continues to receive the wiring frame 900 to be processed.

Further, referring to fig. 7, as a specific embodiment of the screw automatic screwing machine provided by the present invention, the discharging placing plate 42 is provided with a discharging placing groove 421 for placing the wire frame 900, a discharging placing opening 422 is provided on a side wall of the discharging placing groove 421 for the wire frame 900 in the feeding pipe 52 to enter the discharging placing groove 421, a contact sensor 423 (which may be a photoelectric sensor) is provided on a side wall of the discharging placing groove 421, and the discharging placing opening 422 and the contact sensor 423 are respectively located on two opposite side walls of the discharging placing groove 421. The wire frame 900 in the feeding pipe 52 enters the discharging placement groove 421 from the discharging placement opening 422, at this time, the discharging pushing driving mechanism 44 pushes the discharging pushing plate 43 to be placed at a position corresponding to the discharging placement opening 422, that is, the wire frame 900 enters the discharging placement groove 421 from one side and is not in contact with the side wall of the other side due to the blocking effect of the discharging pushing plate 43 (the thickness of the discharging pushing plate 43 is smaller than the width of the discharging placement groove 421, so that the wire frame 900 is located in the discharging placement groove 421 but not in contact with the side wall of the other side at this time), at this time, the wire frame 900 is positioned and screws 800 into the wire frame 900 through the screwing component 3, after the screwing operation is completed, the discharging pushing driving mechanism 44 pulls the discharging pushing plate 43 away from the position corresponding to the discharging placement opening 422, the wire frame 900 in the feeding pipe 52 continues to enter the discharging placement groove 421 from the discharging placement opening 422, and pushes the screwed wire, when the wire frame 900 which is screwed is close to or contacts with the side wall of the discharging placing groove 421 provided with the contact sensor 423, the contact sensor 423 is triggered to control the discharging pushing driving mechanism 44 to drive the discharging pushing plate 43 to push the wire frame 900 which is screwed away from the discharging placing groove 421.

Ejection of compact promotion actuating mechanism 44 is for locating the ejection of compact promotion cylinder of ejection of compact bottom plate 41, is equipped with ejection of compact pipeline 45 on the ejection of compact bottom plate 41, and ejection of compact pipeline 45 is located the ejection of compact and places the one end that board 42 kept away from ejection of compact promotion cylinder. Ejection of compact promotion actuating mechanism 44 (ejection of compact promotion cylinder) drives ejection of compact push pedal 43 and will accomplish the wire frame 900 of twisting and push away from ejection of compact standing groove 421 and drop to ejection of compact pipeline 45 in, accomplish the ejection of compact action.

Further, referring to fig. 4, as a specific embodiment of the automatic screw driver provided by the present invention, a screw-in guide plate 39 is disposed on the screw-in mounting plate 31, the screw-in guide plate 39 is located on a side of the screw-in lifting plate 32 away from the screw-in lifting driving mechanism 33, and a screw-in abdicating hole for the bit 35 to pass through is disposed on the screw-in guide plate 39. The screwdriver head 35 penetrates through the screwing yielding hole to screw the screw 800, and the screwdriver head 35 with a certain length is guaranteed not to deviate when in use. The screwing lifting driving mechanism 33 is a screwing lifting cylinder arranged on the screwing mounting plate 31, and a screwing buffer spring 38 is arranged between a piston rod of the screwing lifting cylinder and the screwing lifting plate 32, so that the rigid impact between the screwdriver bit 35 and the screw 800 is avoided.

Further, referring to fig. 4, as a specific embodiment of the screw automatic screwing machine provided by the present invention, an oil buffer 321 is disposed on the screwing lifting plate 32, and the oil buffer 321 is disposed on a side of the screwing lifting plate 32 close to the screwing guide plate 39; the screw-in mounting plate 31 is provided with a screw-in guide rail 311, and the screw-in lifting plate 32 is provided with a screw-in slider 322 slidably connected with the screw-in guide rail 311. The hydraulic buffer 321 cooperates with the screwing position sensor 36 to define the height of the screw-in lifter plate 32 to be lowered.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The automatic screw screwing machine is characterized by comprising a feeding assembly for feeding screws, a feeding mechanism for transferring the screws fed by the feeding assembly to a processing station, a discharging mechanism for placing a wire connection frame, a feeding mechanism for feeding the wire connection frame to the discharging mechanism, and a screwing assembly for screwing the screws on the feeding mechanism into the wire connection frame on the discharging mechanism; the screwing assembly comprises a screwing mounting plate, a screwing lifting plate in sliding connection with the screwing mounting plate, a screwing lifting driving mechanism for driving the screwing lifting plate to slide, a screwing driving motor arranged on the screwing lifting plate, a screwdriver bit arranged on an output shaft of the screwing driving motor and used for screwing a screw, a screwing position sensor arranged on the screwing mounting plate, and a screwing trigger piece arranged on the screwing lifting plate and matched with the screwing position sensor; the feeding mechanism comprises a feeding vibration disc, a feeding pipeline arranged at the outlet of the feeding vibration disc, and a feeding vibrator arranged on the feeding pipeline.

2. The automatic screw driving machine according to claim 1, wherein the feeding assembly comprises a screw bin, a feeding lifting plate arranged on the screw bin, a feeding lifting driving mechanism for driving the feeding lifting plate to move, a feeding rail matched with the feeding lifting plate, and a feeding vibrator arranged on the feeding rail; the top of the feeding lifting plate is provided with a feeding inclined plane inclined towards the direction far away from the feeding track, and the feeding lifting plate is provided with a feeding groove communicated with the feeding track on the feeding inclined plane.

3. The automatic screw driver as claimed in claim 2, wherein the screw bin is provided with an obstacle sweeping motor, an output shaft of the obstacle sweeping motor is provided with an obstacle sweeping block, and the obstacle sweeping motor is located right above the feeding rail; be equipped with the feed mounting panel on the feed track, be equipped with on the feed mounting panel and be used for detecting the full material sensor of the last screw of feed track.

4. The automatic screw driver according to claim 2, wherein the feeding mechanism comprises a feeding bottom plate, a feeding guide plate which is arranged on the feeding bottom plate and provided with a feeding guide groove, a feeding push plate which is arranged in the feeding guide groove and is slidably connected with the feeding guide plate, and a feeding driving device for driving the feeding push plate to move; the pay-off push pedal is offered and is used for receiving the pay-off receiving groove of the last screw of feed track, the pay-off deflector in first pay-off hole of stepping down has been seted up to the tank bottom of pay-off deflector, the pay-off bottom plate seted up with first pay-off hole of stepping down corresponding second pay-off hole of stepping down.

5. The automatic screw driving machine according to claim 4, wherein the feeding push plate is provided with a third feeding abdicating hole for matching with the first feeding abdicating hole; one side of the feeding bottom plate, which is far away from the feeding guide plate, is provided with a feeding limiting block, and the feeding limiting block is provided with a fourth feeding yielding hole corresponding to the second feeding yielding hole.

6. The automatic screw driver according to claim 5, wherein the feeding limiting block is provided with two oppositely arranged feeding clamping plates, and the feeding clamping plates are rotatably connected with the feeding limiting block; the side wall of the feeding guide groove is provided with a feeding gap, and the feeding track is communicated with the feeding guide groove through the feeding gap.

7. The automatic screw driver according to any one of claims 1 to 6, wherein the discharging mechanism includes a discharging bottom plate, a discharging placing plate provided on the discharging bottom plate and used for placing the wire frame, a discharging pushing plate used for pushing the wire frame on the discharging placing plate, and a discharging pushing driving mechanism used for driving the discharging pushing plate to move.

8. The automatic screw driver according to claim 7, wherein the discharging placement plate is provided with a discharging placement groove for placing a wire frame, the side wall of the discharging placement groove is provided with a discharging placement opening for the wire frame in the feeding pipeline to enter the discharging placement groove, the side wall of the discharging placement groove is provided with a contact sensor, and the discharging placement opening and the contact sensor are respectively positioned on two opposite side walls of the discharging placement groove.

9. The automatic screw driver according to any one of claims 1 to 6, wherein a screw-in guide plate is provided on the screw-in mounting plate, the screw-in guide plate is located on a side of the screw-in lifting plate away from the screw-in lifting drive mechanism, and a screw-in abdicating hole for the bit to pass through is provided on the screw-in guide plate.

10. The automatic screw driver according to claim 9, wherein an oil buffer is provided on the screw-in elevating plate, the oil buffer being provided on a side of the screw-in elevating plate adjacent to the screw-in guide plate; the screwing installation plate is provided with a screwing guide rail, and the screwing lifting plate is provided with a screwing sliding block which is connected with the screwing guide rail in a sliding manner.

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