CN110844541A - Automatic screw feeding machine for product assembly - Google Patents
Automatic screw feeding machine for product assembly Download PDFInfo
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- CN110844541A CN110844541A CN201911177207.5A CN201911177207A CN110844541A CN 110844541 A CN110844541 A CN 110844541A CN 201911177207 A CN201911177207 A CN 201911177207A CN 110844541 A CN110844541 A CN 110844541A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 120
- 238000007599 discharging Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims description 60
- 238000004140 cleaning Methods 0.000 claims description 25
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000007306 turnover Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 9
- 238000013519 translation Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/256—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles removing incorrectly orientated articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/002—Article feeders for assembling machines orientating the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to an automatic screw feeding machine for product assembly, which comprises an automatic screw taking mechanism and an automatic screw discharging mechanism. On one hand, the screws can be taken out from the screw hopper, and the screws are gradually conveyed to the discharging end side by side, so that the screws can be automatically taken; on the other hand can collude the screw from the transmission passageway one by one to with the screw to discharge opening department translation, when until notch and discharge opening alignment, leak the screw material pipe from the discharge opening downwards for the single screw that the notch was colluded, and the uninstallation process of each screw is repeated, realizes supplying the screw one by one in the automatic lock screw rifle, simple structure, and it is convenient to implement.
Description
Technical Field
The invention belongs to the field of hardware product assembling equipment, and particularly relates to an automatic screw feeding machine for product assembling.
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.
Simultaneously, to the great screw of some external diameters, probably the manual assemblage that can carry out of operating personnel, in case the screw is less, when the unable normal holding of finger is held between the fingers, just hardly carry out manual assemblage, consequently, the urgent need for one kind in the market can be automatically to the automatic feed machine of supplying the screw one by one in the lock screw rifle.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a brand-new automatic screw feeder for product assembly.
In order to achieve the above object, the present invention provides an automatic screw feeder for product assembly, comprising: the screw automatic material taking mechanism is used for taking screws from the screw hopper to the 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 the screw automatic material taking mechanism, 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 to the discharging end part,
the automatic screw taking mechanism comprises a stirring unit which is arranged in the screw hopper and can stir screws in the screw hopper to perform turnover motion in the screw hopper, and a screw cleaning unit which is arranged in the screw hopper and is positioned above the transmission channel, wherein the feeding end part of the transmission channel is positioned 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 screw cleaning unit cleans redundant screws or screws which are not in right positions and cannot move in the transmission channel on the transmission channel from the transmission channel and falls back to the screw hopper;
the automatic screw discharging mechanism is used for taking out screws from a transmission channel one by one and discharging the screws into a screw material pipe of a screw locking machine, and comprises a discharging platform arranged at the discharging end part of the transmission channel, a sliding rail arranged on the discharging platform and intersected with the extending direction of the transmission channel, a material taking module arranged on the discharging end part of the transmission channel in a sliding mode and slidably attached from one side surface, and a driving part for driving the material taking module to move.
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 a specific implementation and preferable aspect of the invention, a material guiding part is arranged at the feeding end part of the conveying channel and 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 the screw falls onto the conveying channel from the material guiding cavity. 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 another embodiment and preferred aspect of the present invention, the screw cleaning unit includes a turning shaft disposed above the conveying channel and in the screw hopper along the extending direction of the conveying channel, a cleaning brush disposed on the turning shaft and extending along the length direction of the turning shaft, and a swinging assembly for driving the cleaning brush to swing around the center of the turning shaft, wherein the cleaning brush swings above the conveying channel and brushes the excess screws or the screws which are not positioned and can not move in the conveying channel from the conveying channel to the screw hopper. 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.
Preferably, the material taking module comprises a module body which is arranged on the slide rail in a sliding mode and provided with a notch, a material taking plate which is arranged on the module body in a sliding mode along the length direction of the transmission channel in a sliding mode, and a linkage assembly which drives the material taking plate and the module body to move synchronously, wherein the material taking plate is provided with a notch matched with the notch, the caliber of the notch is smaller than that of the notch, when the notch is aligned with the discharging end portion, the notch is communicated with the discharging end portion and partially shields the notch, and a screw enters the notch and is erected on the material taking plate from a screw cap; when the notch removed to the discharge opening, get the flitch and progressively remove to keeping away from transmission passage tip, the opening progressively diminishes to sheltering from of notch, and the screw falls to the screw material pipe in from the notch and the discharge opening of aligning. Through the movement setting of the material taking plate, the phenomenon that screws are clamped when single feeding is realized is greatly reduced.
Preferably, the module body is provided with a slide rail groove extending along the length direction of the transmission channel, and the material taking plate is strip-shaped and is arranged in the slide rail groove in a sliding manner.
According to a specific implementation and preferred aspect of the invention, the linkage assembly comprises a follow-up pin fixed on the material taking plate, and a fixed seat fixed on the discharging platform and provided with a guide groove matched with the follow-up pin, wherein the guide groove is a chute, and when the notch moves towards the discharging hole, the follow-up pin slides in the chute to drive the notch of the material taking plate to be far away from the notch. That is, the follower pin is moved in the direction of the resultant force (i.e., the direction of elongation of the chute).
Preferably, the unloading platform is further provided with a positioning guide module arranged in parallel with the slide rail, the module body is attached with the positioning guide module which slides on the slide rail, and the positioning guide module is provided with an avoidance notch for avoiding the movement of the material taking plate.
Furthermore, the fixing seat is a fixing plate fixed above the positioning guide module, and the chute is arranged on the fixing plate.
Furthermore, the linkage assembly further comprises a positioning strip fixed on the module body and located above the slide rail groove, a bayonet aligned with the notch is arranged on the positioning strip, and the end part of the material taking plate forming the notch is movably arranged below the positioning strip. The setting of through-hole bayonet socket prevents that single screw from causing the relative card of opening and screw to die catching the in-process of getting, and then influences the unloading of getting the flitch.
In addition, still be equipped with conflict module and the module of unloading in the relative both sides of ejection of compact tip, wherein the module subsides of contradicting are established and are being got the relative side of material module, and the module of unloading is equipped with the breach of dodging the screw motion from ejection of compact tip to the extension of discharge opening, and the module of unloading is pasted from breach place side and is established and get the relative side of material module. Under the prerequisite of guaranteeing to get the material module and can collude the screw one by one, form the passageway that supplies the screw to remove by this breach, further make things convenient for the unloading of screw.
Preferably, the slide rail is arranged perpendicular to the direction of extension of the transport path. The advantage of this arrangement is that it facilitates the individual hooking of the side-by-side screws.
Preferably, the driving part comprises a telescopic rod which is fixed on the discharging platform and is in butt joint with the material taking module, wherein the movement direction of the telescopic rod is consistent with the extension direction of the sliding rail.
The driving of the telescopic rod can be electric, pneumatic or hydraulic.
Compared with the prior art, the invention has the following advantages:
on one hand, the screws can be taken out from the screw hopper, and the screws are gradually conveyed to the discharging end side by side, so that the screws can be automatically taken; on the other hand can collude the screw from the transmission passageway one by one to with the screw to discharge opening department translation, when until notch and discharge opening alignment, leak the screw material pipe from the discharge opening downwards for the single screw that the notch was colluded, and the uninstallation process of each screw is repeated, realizes supplying the screw one by one in the automatic lock screw rifle, simple structure, and it is convenient to implement.
Drawings
FIG. 1 is a schematic top view of an automatic screw feeder according to 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;
FIG. 5 is a schematic structural view of the automatic screw discharging mechanism in FIG. 1;
FIG. 6 is a schematic top view of FIG. 5 (in a single screw hooked state);
FIG. 7 is a schematic top view of FIG. 5 (in a single screw unloaded state);
FIG. 8 is an exploded view of FIG. 5;
in the drawings:
q, an automatic screw taking mechanism; 1. a screw hopper; 2. a transmission channel; 2a, a feed end; 2b, a discharge end part; 3. an automatic screw discharging mechanism; 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;
x, screw automatic discharge mechanism; x1, a discharging platform; x10, discharge hole; x11, positioning guide module; q1, avoiding gaps; x2, sliding rail; x3, a take-off module; x30, slot; x31, module body; x32, taking a material plate; x320, a gap; x33, linkage assembly; 330. a follow-up pin; 331. a fixed seat; d. a guide groove; 332. a positioning bar; k. a bayonet; x4, drive components; x40, telescopic rod; x5, collision module; x6, a discharging module; q2, gap; G. screw material pipe.
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 feeder for product assembly, which includes an automatic screw feeder Q and an automatic screw discharger X.
Specifically, an automatic screw take-out mechanism Q for taking a screw s from a screw hopper 1 to a conveying channel 2, wherein the conveying channel2The feeding end part 2a stretch into the screw hopper 1, the discharging end part 2b is communicated with the screw automatic discharging mechanism X, 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 Q 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.
Meanwhile, a pressing strip 21 is further arranged on the transmission channel 2, the pressing strip 21 extends from the discharge end part 2b to the middle of the transmission channel 2, screws passing through the transmission channel 2 are pressed down by the pressing strip 21, the screws are more favorably transmitted side by side, the phenomenon that the two screws are overlapped from screw caps is further reduced, and the screws are conveniently discharged one by one.
To sum up, the automatic material taking mechanism Q working process of screw 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.
Referring to fig. 5, an automatic screw unloading mechanism X is used to take out screws s from the conveying channel 2 one by one and unload the screws s into a screw tube G of a screw locking machine (or a screw locking gun).
Concretely, screw automatic discharge mechanism X is including setting up the platform X1 of unloading at transmission path 2 ejection of compact tip 2b, set up on platform X1 of unloading and the crossing slide rail X2 that sets up of transmission path 2 extending direction, slide and set up on slide rail X2 and from a side slip subsides establish the material taking module X3 at transmission path 2 ejection of compact tip 2b, drive and get the drive unit X4 of material module X3 motion, wherein it is equipped with from outside inwards sunken notch X30 to paste in the side of material taking module X3 subsides establishing at ejection of compact tip 2b, offer the discharge opening X10 with screw material pipe G intercommunication on the platform X1 of unloading in notch X30 removal route, and discharge opening X10 is located the right side of ejection of compact tip 2 b.
In this example, the slide rails x2 are arranged perpendicular to the extending direction of the conveying path 2. The advantage of this arrangement is that it facilitates the individual hooking of the side-by-side screws.
As shown in fig. 6 to 8, the material taking module x3 includes a module body x31 slidably disposed on a slide rail x2 and provided with a notch x30, a material taking plate x32 slidably disposed on the module body x31 along the length direction of the conveying channel 2, and a linkage assembly x33 for driving the material taking plate x32 and the module body x31 to move synchronously, wherein a notch x320 matched with the notch x30 is disposed on the material taking plate x32, and the caliber of the notch x320 is smaller than that of the notch x 30.
In this case, the aperture of the notch x30 and the discharge hole x10 is generally larger than the outer diameter of the screw s, so that the screw s can be discharged.
The notch x320 is mainly used for facilitating the one-by-one unloading of the screws s, and meanwhile, the phenomenon that the material taking module x3 clamps the screws relative to the sliding rail x2 in the moving process of the screws s is also prevented.
Specifically, a slide rail groove extending along the length direction of the transmission channel 2 is formed in the module body x31, and the material taking plate x32 is strip-shaped and is slidably disposed in the slide rail groove.
The linkage assembly x33 comprises a follow-up pin 330 fixed on the material taking plate x32, and a fixed seat 331 fixed on the discharging platform x1 and having a guide groove d matched with the follow-up pin 330, wherein the guide groove d is a chute, and when the notch x30 moves towards the discharging hole x1, the follow-up pin 330 slides in the chute to drive the notch x320 of the material taking plate x32 to be far away from the notch x 30. That is, the follower pin is moved in the direction of the resultant force (i.e., the direction of elongation of the chute).
A positioning guide module x11 which is arranged in parallel with the slide rail x2 is further arranged on the discharging platform x1, the module body x31 slides on the slide rail along with the positioning guide module x11, and an avoidance notch q1 which avoids the movement of the material taking plate x31 is arranged on the positioning guide module x 11.
The fixing base 331 is a fixing plate fixed above the positioning and guiding module x11, and the inclined groove is arranged on the fixing plate.
The opposite two sides of the discharging end part 2b are also provided with a collision module x5 and a discharging module x6, wherein the collision module x5 is attached to the opposite side edge of the discharging module x3, the discharging module x6 is provided with a notch q2 avoiding the movement of the screw s from the discharging end part 2a to the extending part of the discharging hole x10, and the discharging module x6 is attached to the opposite side edge of the discharging module x3 from the side edge where the notch q2 is located. Therefore, on the premise that the material taking module x3 can hook the screws s one by one, the gap q2 forms a channel for the screws to move, and unloading of the screws s is further facilitated.
Meanwhile, the linkage assembly x33 further comprises a positioning strip 332 fixed on the module body x31 and located above the slide rail groove, a bayonet k aligned with the notch x30 is arranged on the positioning strip 332, and the end of the material taking plate x32 forming the notch x320 is movably arranged below the positioning strip 332. The setting of through-hole bayonet socket k prevents that single screw from causing the relative card of opening and screw to die at the in-process of colluding, and then influences the unloading of getting flitch x 32.
Furthermore, the method is simple. The driving part x4 comprises a telescopic rod x40 fixed on the unloading platform x1 and butted with the material taking module x3, wherein the moving direction of the telescopic rod x40 is consistent with the extending direction of the sliding rail x 2.
As for the driving of the telescopic bar x40, it may be electric, pneumatic or hydraulic.
In summary, the implementation process of the one-by-one screw unloading of the embodiment is as follows:
(1) driven by an expansion rod x40, a notch x30 is aligned with the discharging end part 2b, the notch x320 is communicated with the discharging end part 2b at the moment and partially shields the notch x30, and a screw s enters the notch x320 and is erected on the material taking plate x32 from a screw cap;
(2) the telescopic rod x40 drives the material taking module x3 to move towards the discharging hole x10, the material taking plate x32 moves rightwards along the guide groove d on the follow-up pin 330 to drive the material taking plate x32 to move towards the avoidance notch q1 in the slide rail groove, so that the shielding of the notch x320 on the notch x30 is gradually reduced, the screws s are gradually withdrawn from the notch x320, and when the notch x30 and the discharging hole x10 are aligned, the screws fall into the screw material pipe G from the bayonet k, the notch x30 and the discharging hole x10, and the discharging of a single screw s is realized;
(3) and (3) repeating the processes (1) and (2) so as to realize the one-by-one unloading of a plurality of screws s arranged in parallel in the conveying channel 2.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a screw automatic feed machine of product equipment usefulness which characterized in that: it includes: the screw automatic material 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 the screw automatic material taking mechanism, 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 to the discharging end part; the automatic screw taking mechanism comprises a stirring unit which is arranged in the screw hopper and can stir screws in the screw hopper to perform turnover motion in the screw hopper, and a screw cleaning unit which is arranged in the screw hopper and is positioned above the transmission channel, wherein the feeding end part of the transmission channel is positioned 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 screw cleaning unit cleans redundant screws or screws which are not positioned on the transmission channel and cannot move in the transmission channel from the transmission channel and falls back to the screw hopper;
the screw automatic unloading mechanism is used for taking out screws from the transmission channel one by one and unloading the screws into a screw material pipe of the screw locking machine; the screw automatic discharging mechanism comprises a discharging platform arranged at the discharging end part of the conveying channel, a sliding rail arranged on the discharging platform and intersected with the extending direction of the conveying channel, a material taking module arranged on the sliding rail in a sliding mode and arranged at the discharging end part of the conveying channel in a sliding mode from one side face, and a driving part for driving the material taking module to move, wherein a notch which is inwards recessed from the outer side is formed in the side face, attached to the discharging end part, of the material taking module, a discharging hole communicated with a screw material pipe is formed in the discharging platform on the notch moving path, the discharging hole is located on one side of the discharging end part, and when the notch is aligned with the discharging hole, a single screw hooked from the notch leaks into the screw material pipe from the discharging hole.
2. The automatic screw feeder for assembling products according to claim 1, characterized in that: 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 feeder for assembling products according to claim 1, characterized in that: 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 feeder for assembling products according to claim 1, characterized in that: 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.
5. The automatic screw feeder for assembling products according to claim 1, characterized in that: an inductor for monitoring whether the screw on the transmission channel is interrupted is further arranged between the screw hopper and the discharge end part, and the automatic screw taking mechanism further comprises a controller communicated with the inductor and the stirring unit; and the auxiliary screw moves 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 vibrator in the screw hopper, wherein the controller controls the starting and stopping of the stirring unit according to the information fed back by the sensor.
6. The automatic screw feeder for assembling products according to claim 1, characterized in that: the material taking module comprises a module body, a material taking plate and a linkage assembly, wherein the module body is arranged on the slide rail in a sliding mode and is provided with the notch, the material taking plate is arranged on the module body in a sliding mode along the length direction of the transmission channel, the linkage assembly drives the material taking plate and the module body to move synchronously, the material taking plate is provided with a notch matched with the notch, the caliber of the notch is smaller than that of the notch, when the notch is aligned with the discharging end portion, the notch is communicated with the discharging end portion and partially shields the notch, and a screw enters the notch and is erected on the material taking plate from a screw cap; when the notch moves towards the discharge hole, the material taking plate gradually moves towards the end part far away from the transmission channel, the shielding of the notch on the notch gradually becomes smaller, and the screw falls into the screw material pipe from the aligned notch and the discharge hole.
7. The automatic screw feeder for assembling products according to claim 6, wherein: the linkage assembly comprises a follow-up pin fixed on the material taking plate and a fixed seat fixed on the discharging platform and provided with a guide groove matched with the follow-up pin, wherein the guide groove is a chute, and when the notch moves towards the discharging hole, the follow-up pin slides in the chute so as to drive the notch of the material taking plate to be far away from the notch.
8. The automatic screw feeder for assembling products according to claim 7, wherein: still be equipped with on the platform of unloading with slide rail parallel arrangement's location direction module, the module body pastes and establishes location direction module is in slide on the slide rail, and location direction module on be equipped with dodge get the breach of flitch motion.
9. The automatic screw feeder for assembling products according to claim 7, wherein: the fixing seat is a fixing plate fixed above the positioning and guiding module, and the chute is arranged on the fixing plate.
10. The automatic screw feeder for assembling products according to claim 7, wherein: the linkage assembly further comprises a positioning strip fixed on the module body and located above the slide rail groove, a bayonet aligned with the notch is arranged on the positioning strip, and the end part of the material taking plate forming the notch is movably arranged below the positioning strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177207.5A CN110844541A (en) | 2019-11-26 | 2019-11-26 | Automatic screw feeding machine for product assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177207.5A CN110844541A (en) | 2019-11-26 | 2019-11-26 | Automatic screw feeding machine for product assembly |
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| CN110844541A true CN110844541A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911177207.5A Pending CN110844541A (en) | 2019-11-26 | 2019-11-26 | Automatic screw feeding machine for product assembly |
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| CN113977222A (en) * | 2021-12-06 | 2022-01-28 | 苏州嘉东五金制品有限公司 | Automatic installation equipment for torsional spring of shaver head |
| CN115158991A (en) * | 2022-07-01 | 2022-10-11 | 安徽恒诺机电科技有限公司 | A orderly loading attachment for servo motor shaft coupling |
| CN116748852A (en) * | 2023-07-28 | 2023-09-15 | 浙江乾纳电气有限公司 | Automatic adjusting screw assembling machine |
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| CN116748852B (en) * | 2023-07-28 | 2024-01-09 | 浙江乾纳电气有限公司 | Automatic adjusting screw assembling machine |
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