CN211140687U

CN211140687U - Automatic screw taking mechanism suitable for hardware product assembly

Info

Publication number: CN211140687U
Application number: CN201922069390.9U
Authority: CN
Inventors: 刘万勇
Original assignee: Suzhou Jiadong Hardware Products Co ltd
Current assignee: Suzhou Jiadong Hardware Products Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-31
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to an automatic feeding agencies of screw suitable for five metals product equipment, it is including setting up in the screw hopper and can stir the screw hopper in the screw hopper upset motion's stirring unit, and set up in the screw hopper and be located the screw clearance unit of transmission channel top, wherein transmission channel's feeding tip is located the stirring region that stirring unit formed, the screw of upset motion scatters to transmission channel in the stirring region on, screw clearance unit will be located transmission channel and go up unnecessary screw or the screw that the position is just unable to remove in transmission channel and clear up on transmission channel, and fall back the screw hopper. The utility model discloses the messenger is obtained from the screw that the screw hopper took out, can set up side by side at transmission passage, progressively transmits to ejection of compact tip simultaneously, realizes the automation of screw and gets the material, simple structure, and it is convenient to implement.

Description

Automatic screw taking mechanism suitable for hardware product assembly

Technical Field

The utility model belongs to five metals product equipment field, concretely relates to automatic feeding agencies of screw suitable for five metals product equipment.

Background

In the field of hardware product assembly, it is a very common means to adopt a screw locking machine for assembly, however, in the existing means, an operator takes out a screw with one hand and puts the screw on a gun head of a screw locking gun (with a magnetic force adsorption effect), and operates the screw locking gun with the other hand to align with a screw hole and screw the screw down, thereby realizing the assembly of the product.

Although the above means can be assembled, the requirement on the hand speed of an operator is high, the assembly is simple, the assembly of general products is in a flow line type, and once the screw assembly operation is slow, the production efficiency of the whole flow line is directly influenced.

Meanwhile, for some screws with large outer diameters, the screws can be manually assembled by operators, and once the screws are small, the manual assembly is difficult to perform when fingers cannot normally hold the screws, so that a feeder capable of automatically supplying the screws into a screw locking gun one by one is urgently needed in the market.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims at providing a brand-new automatic taking mechanism of screw that is applicable to the equipment of five metals product.

In order to achieve the above purpose, the utility model provides an automatic screw taking mechanism suitable for hardware product assembly, which is used for taking screws from a screw hopper to a transmission channel, wherein the feeding end part of the transmission channel extends into the screw hopper, the discharging end part is communicated with a screw discharger, the transmission channel is arranged obliquely, the feeding end part is higher than the discharging end part, the screws are arranged on the transmission channel in parallel, and the screws can automatically move to the discharging end part,

the automatic screw taking mechanism comprises a stirring unit arranged in a screw hopper and capable of stirring screws in the screw hopper to perform turnover motion in the screw hopper, and a screw cleaning unit arranged in the screw hopper and located above a transmission channel, wherein the feeding end part of the transmission channel is located in a stirring area formed by the stirring unit, the screws performing turnover motion in the stirring area are scattered onto the transmission channel, and the screws which are located on the transmission channel and are redundant or are not in correct positions and cannot move in the transmission channel are cleaned from the transmission channel by the screw cleaning unit and fall back to the screw hopper.

Preferably, the stirring unit comprises a barrel with two open ends, a plurality of stirring blades fixed on the inner wall of the barrel, and a driver for driving the barrel to rotate around the axial direction, wherein the feeding end of the conveying channel extends into the barrel, and the screw can freely roll down to the feeding end of the conveying channel under the stirring of the stirring blades.

Specifically, the driver can adopt a transmission mode of gear engagement.

According to the utility model discloses a concrete implementation and preferred aspect, just be located the regional inside guide portion that is equipped with of stirring at transmission channel's feeding tip, wherein guide portion forms the guide chamber that top-down diminishes gradually, and transmission channel upper portion and guide chamber lower part butt joint intercommunication, the screw falls into transmission channel from the guide chamber on. The probability that the screw accurately falls into the transmission channel is increased.

Preferably, the material guiding part comprises two material guiding plates which are arranged corresponding to the two transmission panels of the transmission channel, wherein each material guiding plate is arranged to extend upwards in an inclined way outwards from the upper part or the outer upper edge of the transmission panel. Simple structure and convenient implementation.

According to the utility model discloses a still another concrete implementation and preferred aspect, screw clearance unit is including being located the transmission path top and setting up the trip shaft in the screw hopper along transmission path extending direction, set up on the trip shaft and along the clearance brush of trip shaft length direction extension, and the subassembly that sways that the drive clearance brush swayd round the trip shaft center, wherein the swing of clearance brush in the transmission path top, and with transmission path on unnecessary screw or the position just and can't brush to the screw hopper on the transmission path in the screw that removes. The reason is simple, and the brush can be easily brushed and dropped under the external force as long as the brush is not accurately inserted into the transmission channel. Meanwhile, the cleaning brush swings back and forth on the left side and the right side of the length direction of the conveying channel, and cleaning of redundant screws or screws with wrong positions is facilitated.

Preferably, the swinging assembly is in butt joint with the turnover shaft, the cleaning brush is fixed on the turnover shaft, and the cleaning brush is driven to swing and brush by the forward and reverse rotation of the turnover shaft.

Furthermore, the turnover shaft penetrates out of the screw hopper from one end part, and the swinging assembly comprises a transmission gear fixed at the end part of the turnover shaft protruding out of the screw hopper, a transmission part meshed with the transmission gear and driving the transmission gear to rotate forward and backward, and a power source.

Specifically, the driving medium includes rotates the transmission arm that sets up on the screw hopper through the pivot parallel with the trip shaft, sets up at a transmission arm tip and with drive gear engaged with fan-shaped transmission module and rotate the transfer line that connects another tip at the transmission arm and can up-and-down motion reciprocating motion, wherein the transfer line with the power supply butt joint, and at up-and-down reciprocating motion in-process, fan-shaped transmission module is along with the transmission arm is around the pivot luffing motion to drive gear forward and reverse rotation. The transmission is simple, the operation is stable, and the implementation is convenient.

In addition, still be equipped with the inductor that whether the screw was interrupted on the monitoring transmission path between screw hopper and ejection of compact tip, the automatic feeding agencies of screw still includes the controller that is linked together with inductor, stirring unit, wherein stops according to the opening of the information control stirring unit of inductor feedback by the controller. The stirring unit can stop stirring once the screws are fully arranged in the transmission channel because the stirring unit cannot work all the time, and in this time, in order to well control the starting and stopping of the stirring unit, the stirring unit is automatically started to take materials as long as the interruption is detected through the detection signal of the sensor for interruption detection, the interruption part is filled up by the free movement of the screws to be taken out, and the stirring unit can stop stirring when the screws are transmitted in the transmission channel side by side.

Preferably, the inductor is close to the feeding end portion and sets up, can realize getting the material in succession of screw like this in the short time, ensures that the feed of screw is not discontinuous.

Preferably, the automatic screw taking mechanism further comprises a vibrator which assists the screws to move from the feeding end part to the discharging end part and can shake the redundant screws on the upper part of the conveying channel in the stirring area back into the screw hopper. Through the setting of vibrator, not only make things convenient for the transmission motion of screw, can shake the unnecessary screw in transmission passage upper portion and fall moreover in getting the material, more be favorable to getting of screw.

Compared with the prior art, the utility model has the advantages of as follows:

the utility model discloses scatter the screw to stirring regional transmission path earlier through the stirring unit on, the screw that rethread screw clearance unit will be located unnecessary screw on the transmission path or the position just and can't remove in transmission path clears up and fall back the screw hopper from transmission path for the screw that takes out from the screw hopper can just progressively transmit to ejection of compact tip side by side, realizes the automation of screw and gets the material, simple structure, and it is convenient to implement.

Drawings

Fig. 1 is a schematic top view of an automatic screw feeder of the present invention;

FIG. 2 is a schematic perspective view of the automatic screw material taking mechanism in FIG. 1;

fig. 3 is a schematic perspective view of the screw hopper in the automatic screw material taking mechanism in fig. 2 with a side plate removed;

FIG. 4 is a schematic perspective view of the screw automatic material taking mechanism of FIG. 3 with a portion of the swing assembly omitted;

in the drawings: 1. a screw hopper; 2. a transmission channel; 2a, a feed end; 2b, a discharge end part; 3. a screw discharger; 4. a stirring unit; 40. a charging barrel; 41. a stirring blade; 42. a driver; 5. a screw cleaning unit; 50. a turning shaft; 51. cleaning the brush; 52. a rocking assembly; 520. a transmission gear; 521. a transmission member; z, a rotating shaft; a. a drive arm; b. a fan-shaped transmission module; c. a transmission rod; 6. a material guide part; 60. a material guide plate; 7. an inductor; 8. a vibrator; s, screws.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" 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, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. 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 intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in FIG. 1, the present embodiment relates to an automatic screw taking mechanism suitable for hardware product assembly, which is used for taking screws s from a screw hopper 1 to a transmission channel 2, wherein the transmission channel2The feeding end part 2a stretch into the screw hopper 1, the discharging end part 2b is communicated with the screw discharger 3, the transmission channel 2 is obliquely arranged, the feeding end part 2a is higher than the discharging end part 2b, the screws s are arranged on the transmission channel 2 side by side, and the screws s can automatically move towards the discharging end part 2 b.

Referring to fig. 2, the automatic screw taking mechanism includes a stirring unit 4 disposed in the screw hopper 1 and capable of stirring screws s inside the screw hopper 1 to perform a turning motion in the screw hopper 1, and a screw cleaning unit 5 disposed in the screw hopper 1 and located above the transmission channel 2, wherein a feeding end 2a of the transmission channel 2 is located in a stirring area formed by the stirring unit 4, the screws performing the turning motion in the stirring area are scattered onto the transmission channel 2, and the screw cleaning unit 5 cleans the transmission channel 2 of excess screws or screws s which are not positioned on the transmission channel 2 and cannot move in the transmission channel 2 and fall back to the screw hopper 1.

Specifically, the stirring unit 4 includes a barrel 40 having both open ends, a plurality of stirring blades 41 fixed to an inner wall of the barrel 40, and a driver 42 for driving the barrel 40 to rotate about its own axial direction, wherein the feeding end 2a of the conveying path 2 protrudes into the barrel 40, and the screw s can freely roll down to the feeding end 2a of the conveying path 2 under the stirring of the stirring blades 41.

In this example, the driver 42 may adopt a gear engagement transmission mode. Are conventional, and are not described in detail herein or are clearly practiced.

Meanwhile, a material guiding part 6 is arranged at the feeding end part 2a of the transmission channel 2 and inside the stirring area, wherein the material guiding part 6 forms a material guiding cavity which is gradually reduced from top to bottom, the upper part of the transmission channel 2 (the feeding end part 2 a) is in butt joint communication with the lower part of the material guiding cavity, and a screw s falls onto the feeding end part 2a of the transmission channel 2 from the material guiding cavity. Increasing the probability that the screw s will fall exactly into the feeding end 2 a.

Specifically, the material guiding portion 6 includes two material guiding plates 60 disposed corresponding to the two conveying panels 20 of the conveying passage 2, wherein each material guiding plate 60 is disposed to extend obliquely upward from the upper portion or the outer upper edge of the conveying panel 20. Simple structure and convenient implementation.

In this example, each guide plate 60 includes a side plate attached to the outer side of the conveying panel 20, and inclined plates inclined upward and outward from the upper ends of the side plates, wherein a guide chamber communicating with the conveying passage 2 is formed between the inclined plates on both sides.

Referring to fig. 3 and 4, the screw cleaning unit 5 includes a turning shaft 50 located above the conveying channel 2 and disposed in the screw hopper 1 along the extending direction of the conveying channel 2, a cleaning brush 51 disposed on the turning shaft 50 and extending along the length direction of the turning shaft 50, and a swinging assembly 52 for driving the cleaning brush 51 to swing around the center of the turning shaft 50, wherein the cleaning brush 51 swings left and right above the conveying channel 2 and brushes the excess screws or the screws which are not positioned and can not move in the conveying channel 2 from the conveying channel to the screw hopper 1. The reason is simple, and the brush can be easily brushed and dropped under the external force as long as the brush is not accurately inserted into the transmission channel. Meanwhile, the cleaning brush swings back and forth on the left side and the right side of the length direction of the conveying channel, and cleaning of redundant screws or screws with wrong positions is facilitated.

The swinging component 52 is butted with the turning shaft 50, the cleaning brush 51 is fixed on the turning shaft 50, wherein the cleaning brush 51 is driven by the forward and reverse rotation of the turning shaft 50 to swing left and right for brushing.

The turning shaft 50 extends out of the screw hopper 1 from one end, and the swinging assembly 52 includes a transmission gear 520 fixed at the end of the turning shaft 50 protruding out of the screw hopper 1, a transmission member 521 engaged with the transmission gear 520 and driving the transmission gear 520 to rotate in forward and reverse directions, and a power source (not shown, but not shown).

The transmission member 521 includes a transmission arm a rotatably disposed on the screw hopper 1 through a rotation shaft z parallel to the turning shaft 50, a fan-shaped transmission module b disposed at one end of the transmission arm a and engaged with the transmission gear 520, and a transmission rod c rotatably connected to the other end of the transmission arm a and capable of moving up and down in a reciprocating manner, wherein the transmission rod c is in butt joint with the power source, and in the process of moving up and down, the fan-shaped transmission module b swings up and down around the rotation shaft z along with the transmission arm a and drives the transmission gear 520 to rotate forward and backward. The transmission is simple, the operation is stable, and the implementation is convenient.

The power source can adopt a pushing type telescopic rod piece or a common cam structure, and only the driving rod c can be driven to reciprocate up and down.

In addition, still be equipped with the inductor 7 that whether the screw was interrupted on monitoring transmission path 2 between screw hopper 1 and ejection of compact tip 2b, the automatic feeding agencies of screw still includes the controller that is linked together with inductor 7, stirring unit 4, wherein stops according to the information control stirring unit that the inductor feedbacks by the controller. The stirring unit can stop stirring once the screws are fully arranged in the transmission channel because the stirring unit cannot work all the time, and in this time, in order to well control the starting and stopping of the stirring unit, the stirring unit is automatically started to take materials as long as the interruption is detected through the detection signal of the sensor for interruption detection, the interruption part is filled up by the free movement of the screws to be taken out, and the stirring unit can stop stirring when the screws are transmitted in the transmission channel side by side.

Specifically, inductor 7 is close to the feed end setting, can realize getting the material in succession of screw like this in the short time, ensures that the feed of screw can not be interrupted.

In this example, the screw automatic material taking mechanism further includes a vibrator 8 for assisting the screw s to move from the feeding end portion 2a to the discharging end portion 2b and vibrating and dropping the screw located in the stirring area above the conveying passage 2 back into the screw hopper 1. Through the setting of vibrator 8, not only make things convenient for the transmission motion of screw, can shake the unnecessary screw in transmission passage upper portion and fall moreover in getting the material, more be favorable to getting of screw.

In summary, the working process of this embodiment is as follows:

the screws s in the screw hopper 1 are stirred and turned by the stirring unit 4, so that the screws s fall into the feeding end part 2a of the transmission channel 2 through the material guide part 6, the screws s in the transmission channel 2 can move towards the discharging end part 2b along the transmission channel 2 under the self-weight of the vibrator 8 and the screws s, and meanwhile, in the process that the screws s are moved out of the screw hopper 1, redundant screws or the screws s which are not in right positions and cannot move in the transmission channel 2 are cleaned from the transmission channel 2 and fall back to the screw hopper 1 through the cleaning brushes 51 which are positioned above the transmission channel 2 and swing towards the left side and the right side, so that the screws s move towards the discharging end part 2b side by side, and the automatic material taking of the screws s is completed.

Meanwhile, after the screws s are fully distributed on the whole transmission channel 2, the sensor 7 is started, the stirring unit 4 is in a stop state at the moment, the screws s gradually move towards the discharging end part 2b, the stirring unit 4 is automatically started to take materials until the sensor 7 for interruption detection detects that the screws s have interruption signals, the interruption positions are filled up by the free movement of the screws s to be taken out, and when the screws are transmitted in the transmission channel 2 side by side, the stirring unit 4 can stop stirring at the moment, so that the processes are repeated, and uninterrupted feeding of the screws s can be realized.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an automatic feeding agencies of screw suitable for hardware product equipment which characterized in that: the automatic screw taking mechanism is used for taking screws from a screw hopper to a transmission channel, wherein the feeding end part of the transmission channel extends into the screw hopper, the discharging end part of the transmission channel is communicated with a screw discharger, the transmission channel is obliquely arranged, the feeding end part is higher than the discharging end part, the screws are arranged on the transmission channel in parallel, and the screws can automatically move towards the discharging end part,

the automatic screw taking mechanism comprises a screw hopper, a stirring unit, a screw cleaning unit, a conveying channel and a screw conveying mechanism, wherein the screw conveying mechanism is arranged in the screw hopper and can stir screws in the screw hopper, the stirring unit and the screw cleaning unit are arranged in the screw hopper and located above the conveying channel, the feeding end portion of the conveying channel is located in a stirring area formed by the stirring unit, screws in turnover motion in the stirring area scatter to the conveying channel, the screw cleaning unit is located on the conveying channel, redundant screws or positions of the screws are not correct, the screws moving in the conveying channel are cleaned on the conveying channel, and the screws fall back to the screw hopper.

2. The automatic screw taking mechanism suitable for hardware product assembly of claim 1, wherein: the stirring unit comprises a charging barrel with two open ends, a plurality of stirring blades fixed on the inner wall of the charging barrel, and a driver used for driving the charging barrel to rotate around the axial direction of the charging barrel, wherein the feeding end part of the transmission channel extends into the charging barrel, and a screw can freely roll down to the feeding end of the transmission channel under the stirring of the stirring blades.

3. The automatic screw taking mechanism suitable for hardware product assembly of claim 1, wherein: the feeding end part of the conveying channel is provided with a material guiding part inside the stirring area, wherein the material guiding part forms a material guiding cavity which is gradually reduced from top to bottom, the upper part of the conveying channel is in butt joint communication with the lower part of the material guiding cavity, and screws fall onto the conveying channel from the material guiding cavity.

4. The automatic screw taking mechanism suitable for hardware product assembly of claim 3, wherein: the material guiding part comprises two material guiding plates which are arranged corresponding to the two transmission panels of the transmission channel, wherein each material guiding plate is arranged on the upper part of the transmission panel or on the upper edge of the outer side of the transmission panel in an outward inclined and upward extending mode.

5. The automatic screw taking mechanism suitable for hardware product assembly of claim 1, wherein: screw clearance unit is including being located transmission path top and along transmission path extending direction sets up trip shaft, setting in the screw hopper are in on the trip shaft and along the clearance brush that trip shaft length direction extends and drive the clearance brush round the subassembly that sways at the trip shaft center, wherein the clearance brush is in the swing of transmission path top, and will unnecessary screw or position on the transmission path are just can't be in the screw that removes in the transmission path from the transmission path on the brush sweep extremely the screw hopper.

6. The automatic screw taking mechanism suitable for hardware product assembly of claim 5, wherein: the swinging assembly is in butt joint with the turnover shaft, the cleaning brush is fixed on the turnover shaft, and the turnover shaft rotates forwards and reversely to drive the cleaning brush to swing and brush.

7. The automatic material taking mechanism for screws suitable for hardware product assembly of claim 6, wherein: the turnover shaft penetrates out of the screw hopper from one end, and the swinging assembly comprises a transmission gear fixed at the end part of the screw hopper, a transmission part meshed with the transmission gear and driving the transmission gear to rotate forward and backward, and a power source.

8. The automatic screw taking mechanism suitable for hardware product assembly of claim 7, wherein: the driving medium include through with the parallel pivot of trip shaft rotates and sets up transmission arm, setting on the screw hopper are in transmission arm one end and with drive gear engaged with fan-shaped transmission module and rotation are connected another tip of transmission arm and can up-and-down motion reciprocating motion's transfer line, wherein the transfer line with the power supply butt joint, and at the up-and-down motion in-process, fan-shaped transmission module along with the transmission arm round pivot the pivot luffing motion, and drive gear forward and reverse rotation.

9. The automatic screw taking mechanism suitable for hardware product assembly of claim 1, wherein: the automatic screw taking mechanism comprises a screw hopper, a screw conveying unit, a stirring unit, a screw feeding hopper, a screw discharging end part, a sensor and a controller, wherein the sensor is used for monitoring whether screws on the conveying channel are interrupted or not is further arranged between the screw hopper and the discharging end part, the controller is communicated with the sensor and the stirring unit, and the controller controls the starting and stopping of the stirring unit according to information fed back by the sensor.

10. The automatic screw taking mechanism suitable for hardware product assembly of claim 1, wherein: the automatic screw taking mechanism further comprises a vibrator which is used for assisting screws to move from the feeding end part to the discharging end part and can vibrate redundant screws on the upper part of the transmission channel in the stirring area back to the screw hopper.