CN217141117U

CN217141117U - Screw screening device for automatic screw locking machine

Info

Publication number: CN217141117U
Application number: CN202220970416.6U
Authority: CN
Inventors: 吴雄坚; 周青华; 吴慧坚
Original assignee: Foshan Weiyi Automation Technology Co ltd
Current assignee: Foshan Weiyi Automation Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-09
Anticipated expiration: 2032-04-25

Abstract

The utility model belongs to the technical field of auto-screwdriving machine, in particular to a screw screening device for auto-screwdriving machine, including screening case and screening net, the screening net is fixed to be set up in the screening case, the side wall center department is fixed to be communicated with the charging tube on the screening case, and the side wall has a discharge opening under the screening case, the matched cover plate is hinged in the discharge opening, a side wall of the screening case is fixed with a first motor, the output shaft of the first motor runs through the side wall of the screening case inwards to be fixedly connected with a rotating rod, the rotating rod is fixed with a plurality of groups of cams distributed uniformly, the plurality of groups of cams are located under the screening net, and the cams are matched with the screening net; the first motor drives the cam to rotate, the screening net is driven to vibrate, the screening effect of the screening net can be improved, larger screws on the screening net can be timely cleaned through the matching of the pushing device and the strip-shaped opening, manual cleaning is not needed, and the screening net is ensured to be always kept with a good screening effect.

Description

Screw screening device for automatic screw locking machine

Technical Field

The utility model relates to an automatic screw locking machine technical field specifically is a screw sieve material device for automatic screw locking machine.

Background

The automatic screw locking machine realizes the procedures of automatic conveying, screwing, detection and the like of screws through various electric and pneumatic components, simplifies the screw fastening procedure through equipment, saves labor force, reduces errors of manual operation, and is often used in cooperation with a corresponding screw screening device in the use process of the automatic screw locking machine.

The screw screening device for auto-screwdriving machine that has now is at the in-process of in-service use, and the too big screw of granule is piled up on the screening net, influences screening device's screening effect, often needs the staff regularly manual clearance screening net, and is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

Pile up on the screening net in order to compensate the too big screw of prior art granule, influence the screening effect of sieving mechanism, often need the problem of the regular manual clearance screening net of staff, the utility model provides a screw sieve material device for auto-screwdriving machine.

The utility model provides a technical scheme that its technical problem adopted is: a screw screening device for an automatic screw locking machine comprises a screening box and a screening net, wherein the screening net is fixedly arranged in the screening box, a feeding pipe is fixedly communicated with the center of the upper side wall of the screening box, a discharge opening is formed in the lower side wall of the screening box, a matched cover plate is hinged and connected in the discharge opening, a first motor is fixedly arranged on one side wall of the screening box, an output shaft of the first motor penetrates through the side wall of the screening box inwards and is fixedly connected with a rotating rod, a plurality of groups of uniformly distributed cams are fixedly sleeved on the rotating rod and are positioned on the lower side of the screening net, the cams are matched with the screening net, a strip-shaped opening matched with the screening net is fixedly formed in the side wall of one side of the screening box, and a material pushing device matched with the strip-shaped opening is arranged in the screening box; the first motor drives the cam to rotate, the screening net is driven to vibrate, the screening effect of the screening net can be improved, larger screws on the screening net can be timely cleaned through the matching of the pushing device and the strip-shaped opening, manual cleaning is not needed, and the screening net is ensured to be always kept with a good screening effect.

Preferably, the material pushing device comprises a second motor, an output shaft of the second motor penetrates through the side wall of the screening box inwards to be fixedly connected with a lead screw, one end, away from the output shaft of the second motor, of the lead screw is rotatably connected with the inner wall of the other side of the screening box, a movable nut is connected onto the lead screw in a threaded manner, a material blocking limiting device matched with the movable nut is arranged above the lead screw, an electric telescopic rod is fixedly connected onto the side wall of the movable nut, and a material pushing plate is fixedly connected to the lower end of the electric telescopic rod; through the rotation of second motor drive lead screw, cooperation electric telescopic handle and scraping wings's use, when needing the clearance screening net, only need start the second motor corotation alright, it is comparatively convenient.

Preferably, the material blocking and limiting device comprises a stop lever and a limiting lever, the stop lever is fixedly arranged in the screening box and is arranged in parallel with the screw rod, the limiting lever is fixedly arranged on the upper side wall of the movable nut, and the stop lever is provided with a sliding groove matched with the limiting lever; through the cooperation use of pin and gag lever post, can radially spacing moving nut removes on the lead screw, improve the protection effect to the lead screw simultaneously, avoid the lead screw to receive the collision deformation of material for a long time.

Preferably, an elastic plate is arranged between the cam and the screening net, and the width of the elastic plate is less than one fifth of the width of the screening net; and a buffer protection is arranged between the cam and the screening net, so that the screening net is prevented from deforming due to long-term collision.

Preferably, the outer side wall of the screening box is fixedly provided with a receiving box matched with the strip-shaped opening, and the outer side wall of the screening box is fixedly provided with a material blocking cover matched with the receiving box; can collect the too big screw of granule, avoid the screw to pump out simultaneously and collect the box.

Preferably, a matched funnel is arranged at an opening at the upper end of the feeding pipe, and the inner wall of the funnel is smoothly polished; the funnel set up the improvement the utility model discloses device's reinforced speed avoids reinforced in-process to cause the unrestrained of material.

The utility model discloses an useful part lies in:

1. the cam is driven to rotate by the first motor to drive the screening net to vibrate, so that the screening effect of the screening net can be improved, larger screws on the screening net can be cleaned in time by matching the pushing device with the strip-shaped opening, manual cleaning is not needed, and the screening net is ensured to keep a good screening effect all the time;

2. through the setting of elastic plate, set up buffer protection between cam and screening net, avoid the long-term collision of screening net to take place deformation, through the setting of receiving the magazine with keep off the material cover, can collect the too big screw of granule, avoid the screw to pump simultaneously and collect the box.

Drawings

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

FIG. 1 is a schematic view of an overall appearance structure of the first embodiment;

FIG. 2 is a schematic view of the internal structure of the screening box according to the first embodiment;

FIG. 3 is a schematic sectional front view of the first embodiment;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic view of a connection structure of the first motor and the cam according to the first embodiment;

fig. 6 is a schematic structural diagram of the second embodiment.

In the figure: the device comprises a screening box 1, a feeding pipe 2, a first motor 3, a strip-shaped opening 4, a material receiving box 5, a screening net 6, a screw rod 7, a moving nut 8, a stop lever 9, an electric telescopic rod 10, a material pushing plate 11, a second motor 12, a rotating lever 13, a cam 14, an elastic plate 15, a material blocking cover 16 and a transparent observation window 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, a screw screening device for an automatic screw locking machine comprises a screening box 1 and a screening net 6, wherein the screening net 6 is fixedly arranged in the screening box 1, a feeding pipe 2 is fixedly communicated with the center of the upper side wall of the screening box 1, a discharge opening is formed in the lower side wall of the screening box 1, a matched cover plate is hinged in the discharge opening, a first motor 3 is fixedly arranged on one side wall of the screening box 1, an output shaft of the first motor 3 penetrates through the side wall of the screening box 1 inwards and is fixedly connected with a rotating rod 13, a plurality of groups of uniformly distributed cams 14 are fixedly sleeved on the rotating rod 13, the plurality of groups of cams 14 are positioned at the lower side of the screening net 6, the cams 14 are matched with the screening net 6, a strip-shaped opening 4 matched with the screening net 6 is fixedly formed in the side wall of one side of the screening box 1, and a material pushing device matched with the strip-shaped opening 4 is arranged in the screening box 1; the cam 14 is driven to rotate through the first motor 3, the screening net 6 is driven to vibrate, the screening effect of the screening net 6 can be improved, large screws on the screening net 6 can be cleaned in time through the matching of the pushing device and the strip-shaped opening 4, manual cleaning is not needed, and the screening net 6 is guaranteed to be kept with a good screening effect all the time.

The material pushing device comprises a second motor 12, the second motor 12 is a positive and negative servo motor, an output shaft of the second motor 12 can rotate in a positive direction or a negative direction, the output shaft of the second motor 12 penetrates through the side wall of the screening box 1 inwards and is fixedly connected with a lead screw 7, one end, away from the output shaft of the second motor 12, of the lead screw 7 is rotatably connected with the inner wall of the other side of the screening box 1, a moving nut 8 is connected onto the lead screw 7 in a threaded manner, a material stopping limiting device matched with the moving nut 8 is arranged above the lead screw 7, an electric telescopic rod 10 is fixedly connected onto the side wall of the moving nut 8, and a material pushing plate 11 is fixedly connected to the lower end of the electric telescopic rod 10; through the rotation of second motor 12 drive lead screw 7, cooperation electric telescopic handle 10 and scraping wings 11's use, when needing clearance screening net 6, only need start second motor 12 corotation alright, it is comparatively convenient.

The material blocking and limiting device comprises a stop lever 9 and a limiting lever, the stop lever 9 is fixedly arranged in the screening box 1, the stop lever 9 is arranged in parallel with the screw rod 7, the limiting lever is fixedly arranged on the upper side wall of the movable nut 8, and the stop lever 9 is provided with a sliding groove matched with the limiting lever; through the cooperation use of pin 9 and gag lever post, can move on lead screw 7 to removal nut 8 and carry out radial spacing, improve the protection effect to lead screw 7 simultaneously, avoid lead screw 7 to receive the collision deformation of material for a long time.

An elastic plate 15 is arranged between the cam 14 and the screening net 6, and the width of the elastic plate 15 is less than one fifth of the width of the screening net 6; through the setting of elastic plate 15, set up buffer protection between cam 14 and screening net 6, avoid screening net 6 long-term collision to take place deformation.

A material receiving box 5 matched with the strip-shaped opening 4 is fixedly arranged on the outer side wall of the screening box 1, and a material blocking cover 16 matched with the material receiving box 5 is fixedly arranged on the outer side wall of the screening box 1; through the setting of collecting box 5 and dam shield 16, can collect the too big screw of granule, avoid the screw to pump out collecting box 5 simultaneously.

A matched funnel is arranged at an opening at the upper end of the feeding pipe 2, and the inner wall of the funnel is smoothly polished; the funnel set up the improvement the utility model discloses device's reinforced speed avoids reinforced in-process to cause the unrestrained of material.

Example two

Please refer to fig. 5, a first comparative example, as another embodiment of the present invention, a transparent observation window 17 is fixedly disposed on a side wall of the screening box 1, and through the transparent observation window 17, the worker can observe the number of nuts stacked on the screening net 6, so as to screen the oversized screws on the screening net 6 in time, and ensure that the screening net 6 keeps a good screening effect all the time.

The theory of operation, the screw that will need the screening is added in screening case 1, start first motor 3, first motor 3 output shaft drives bull stick 13 and cam 14 and rotates, constantly top and move screening net 6, screening net 6 vibrates, the screw screening that the size meets the requirements comes out, when piling up too much too big screw of diameter on screening net 6, control electric telescopic handle 10 this moment and stretch out, scraping wings 11 offsets with screening net 6, close first motor 3, start second motor 12, lead screw 7 rotates, it pushes receiving box 5 with big screw to drive scraping wings 11 with its threaded connection's removal nut 8 in, realize the clearance to screening net 6.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a screw sieve material device for auto-screwdriving machine which characterized in that: comprises a screening box (1) and a screening net (6), the screening net (6) is fixedly arranged in the screening box (1), the center of the upper side wall of the screening box (1) is fixedly communicated with a feed pipe (2), and the lower side wall of the screening box (1) is provided with a discharge opening, a matched cover plate is hinged in the discharge opening, a first motor (3) is fixedly arranged on one side wall of the screening box (1), an output shaft of the first motor (3) penetrates through the side wall of the screening box (1) inwards and is fixedly connected with a rotating rod (13), a plurality of groups of cams (14) which are uniformly distributed are fixedly sleeved on the rotating rod (13), the plurality of groups of cams (14) are positioned at the lower side of the screening net (6), the cam (14) is matched with the screening net (6), a strip-shaped opening (4) matched with the screening net (6) is fixedly arranged on the side wall of one side of the screening box (1), and a material pushing device matched with the strip-shaped opening (4) is arranged in the screening box (1).

2. The screw screening device for the auto-screwdriving machine according to claim 1, wherein: the blevile of push includes second motor (12), second motor (12) output shaft inwards runs through screening case (1) lateral wall fixedly connected with lead screw (7), the one end of second motor (12) output shaft is kept away from in lead screw (7) is connected with screening case (1) opposite side inner wall rotation, threaded connection has removal nut (8) on lead screw (7), lead screw (7) top is provided with the fender material stop device who matches with removal nut (8), and removes side wall fixedly connected with electric telescopic handle (10) under nut (8), electric telescopic handle (10) lower extreme fixedly connected with scraping wings (11).

3. The screw screening device for the auto-screwdriving machine according to claim 2, wherein: keep off material stop device and include pin (9) and gag lever post, pin (9) are fixed to be set up in screening case (1), and pin (9) and lead screw (7) parallel arrangement, the gag lever post is fixed to be set up lateral wall on mobile nut (8), and pin (9) set up the spout that matches with the gag lever post.

4. The screw screening device for the auto-screwdriving machine according to claim 1, wherein: be provided with elastic plate (15) between cam (14) and screening net (6), the width of elastic plate (15) is less than one fifth of screening net (6) width.

5. The screw screening device for the auto-screwdriving machine according to claim 1, wherein: the outer side wall of the screening box (1) is fixedly provided with a material receiving box (5) matched with the strip-shaped opening (4), and the outer side wall of the screening box (1) is fixedly provided with a material blocking cover (16) matched with the material receiving box (5).

6. The screw screening device for the auto-screwdriving machine according to claim 1, wherein: the opening part of the upper end of the feeding pipe (2) is provided with a matched funnel, and the inner wall of the funnel is smoothly polished.