CN214779105U

CN214779105U - Feeding device for automatic nail feeding machine

Info

Publication number: CN214779105U
Application number: CN202120647712.8U
Authority: CN
Inventors: 张亮; 张毅; 王勇; 季宝锋; 张鹏; 安梦雷; 仙宝君; 唐占文; 韩宇
Original assignee: Sichuan Aisda Aerospace Technology Co ltd
Current assignee: Sichuan Aisda Aerospace Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-19
Anticipated expiration: 2031-03-30

Abstract

The invention provides a feeding device for an automatic nail feeder, which comprises a rotating disc and a driving mechanism for driving the rotating disc to rotate, wherein a grabbing mechanism for grabbing rivets is arranged on the rotating disc; the grabbing mechanism comprises a plurality of telescopic rods uniformly arranged on the rotating disc, each telescopic rod is radially arranged by taking the circle center of the rotating disc as the center, one end of each telescopic rod is arranged on the rotating disc, and the other end of each telescopic rod is provided with a clamping jaw assembly for clamping rivets; the clamping jaw assembly comprises two clamping blocks which are correspondingly arranged on the left side and the right side of the telescopic rod, each clamping block is rotatably arranged on the telescopic rod, an inverted U-shaped elastic element is arranged on one side of each clamping block, which faces the telescopic rod, and two ends of each elastic element are respectively connected with the two clamping blocks. The automatic rivet feeding machine is simple in structure, can realize quick grabbing and moving of rivets, has good stability and reliability, and is beneficial to improving the rivet feeding efficiency of the automatic rivet feeding machine.

Description

Feeding device for automatic nail feeding machine

Technical Field

The invention belongs to the field of rivet feeding, and particularly relates to a feeding device for an automatic rivet feeding machine.

Background

The automatic rivet feeding technology at the automatic rivet penetrating station is the key of the whole station, and although the automatic rivet feeding technology in the field of aerospace is very mature, the aerospace is small-diameter aluminum rivets, and the automatic rivet feeding can be realized in an air blowing mode; in the field of automobiles, rivets are made of steel materials, the diameters of the rivets are phi 12mm, phi 14mm and phi 16mm, the traditional rivet conveying mode cannot meet the requirement, the rivet conveying operation can only be completed through a mechanical structure, the existing feeding device for the rivet conveying machine is poor in universality and cannot be well adapted to rivets of different specifications, the rivets easily fall off in the clamping process, and the normal work and the rivet conveying efficiency of the automatic rivet conveying machine are easily influenced.

Disclosure of Invention

In view of the above, the present invention provides a feeding device for an automatic nail feeder, which aims to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a feeding device for an automatic nail feeder comprises a rotating disc and a driving mechanism for driving the rotating disc to rotate, wherein a grabbing mechanism for grabbing rivets is arranged on the rotating disc; the grabbing mechanism comprises a plurality of telescopic rods uniformly arranged on the rotating disc, each telescopic rod is radially arranged by taking the circle center of the rotating disc as the center, one end of each telescopic rod is arranged on the rotating disc, and the other end of each telescopic rod is provided with a clamping jaw assembly for clamping rivets; the clamping jaw assembly comprises two clamping blocks which are correspondingly arranged on the left side and the right side of the telescopic rod, each clamping block is rotatably arranged on the telescopic rod, an inverted U-shaped elastic element is arranged on one side of each clamping block, which faces the telescopic rod, and two ends of each elastic element are respectively connected with the two clamping blocks.

Furthermore, one side that two clamp splices are relative all is equipped with the holding tank, and the opposite side is equipped with the assembly groove with elastic element complex, and the holding tank concatenation on two clamp splices forms the centre gripping clearance similar with the rivet shape.

Furthermore, one side of the clamping gap is a circular truncated cone-shaped channel which can be matched with the rivet head, the other side of the clamping gap is a cylindrical channel, and the circular truncated cone-shaped channel is communicated with the cylindrical channel.

Furthermore, the telescopic rod is provided with a mounting seat for mounting the clamping blocks, the mounting seat is an L-shaped structural member, the horizontal end of the mounting seat is arranged on the telescopic rod, the clamping blocks are rotatably mounted at the vertical end of the mounting seat, the middle part of the elastic element props against the horizontal end of the mounting seat, and the two ends of the elastic element respectively prop against the clamping blocks at the left side and the right side of the mounting seat.

Furthermore, gears which are matched with each other are arranged at one end, facing the telescopic rod, of the clamping block.

Compared with the prior art, the invention has the following advantages:

the automatic rivet feeding machine is simple in structure, can realize quick grabbing and moving of rivets, has good stability and reliability, and is beneficial to improving the rivet feeding efficiency of the automatic rivet feeding machine; through set up the clamp splice on the telescopic link, can form between two clamp splices and press from both sides tight clearance, this kind of centre gripping clearance can be better press from both sides tight fixed rivet, the stability of rivet on the clamp splice has been improved, avoid the rivet to take place to drop, the passageway of round platform form can adapt to the rivet head of multiple shape simultaneously, the clamp splice can be better press from both sides the screw of fixed different shapes, be favorable to improving the suitability of this kind of clamping jaw subassembly to different shapes rivet, and then improved the commonality and the stability of material loading of this kind of loading attachment.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a clamp block structure in an embodiment of the present invention;

FIG. 3 is a schematic structural view of an automatic nail feeder according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a nail storage device in an automatic nail feeder according to an embodiment of the invention.

Description of reference numerals:

1-nail storage cylinder; 2-a material guide plate; 3-a limiting part; 4-a limiting plate; 5-a rotating shaft; 6-clamping a block; 7-nail feeding pipe; 8-a strip-shaped hole; 9-a power assembly; 10-a positioning column; 11-a push rod; 12-a discharge plate; 13-a nail inlet; 14-a rotating disc; 15-a guide plate; 16-a resilient element; 17-a gear; 18-a mounting seat; 19-a telescopic rod; and 20-accommodating the tank.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A feeding device for an automatic nail feeder comprises a rotating disc 14 and a driving mechanism for driving the rotating disc 14 to rotate, wherein a grabbing mechanism for grabbing rivets is arranged on the rotating disc 14, as shown in figures 1 and 2; the grabbing mechanism comprises a plurality of telescopic rods 19 uniformly arranged on the rotating disc 14, each telescopic rod 19 is radially arranged by taking the circle center of the rotating disc 14 as the center, one end of each telescopic rod 19 is arranged on the rotating disc 14, and the other end of each telescopic rod 19 is provided with a clamping jaw assembly for clamping rivets; the clamping jaw assembly comprises two clamping blocks 6 correspondingly arranged on the left side and the right side of an expansion rod 19, each clamping block 6 is rotatably arranged on the expansion rod 19, an inverted U-shaped elastic element 16 is arranged on one side, facing the expansion rod 19, of each clamping block 6, and two ends of each elastic element 16 are connected with the two clamping blocks 6 respectively.

Specifically, the expansion link 19 can adopt the existing electric push rod or electric cylinder, and the technicians in the field can also adopt expansion links 19 of other types, as long as the expansion link 19 can be extended and contracted, so that the clamping jaw assembly can clamp the rivet; elastic element 16 can adopt the spring steel material, and clamp splice 6 can rotate through pivot or hinge and install on telescopic link 19, and the skilled person in the art can also adopt other modes to install clamp splice 6, as long as can make clamp splice 6 stably rotate on telescopic link 19 can, two clamp splices 6 can keep pressing from both sides tightly under elastic element 16's effect, are convenient for two clamp splices 6 to press from both sides tightly fixed rivet.

Embodiment 1, the rolling disc 14 can be installed on the external equipment rack through the pivot rotation, and actuating mechanism can include the driving motor who sets up on the equipment rack, and this driving motor's stiff end can be fixed on the equipment rack through the screw installation, and the output can be connected with the pivot through the shaft coupling, and skilled person in the art can also adopt other modes to install rolling disc 14, as long as can realize utilizing actuating mechanism drive rolling disc 14 stable rotation all the time.

The opposite sides of the two clamping blocks 6 are provided with accommodating grooves 20, the other sides of the two clamping blocks are provided with assembling grooves matched with the elastic elements 16, and the accommodating grooves 20 on the two clamping blocks 6 are spliced to form clamping gaps similar to the shape of a rivet; specifically, the end of the elastic element 16 may be fixed to the mounting groove in a snap-fit manner, and the end of the elastic element 16 may also be fixed to the clamping block 6 in a welding manner, and those skilled in the art may also adopt other manners to mount the elastic element 16, as long as the elastic element 16 can always stably apply an acting force to the clamping block 6, so that the two clamping blocks 6 can maintain a clamped state under the action of the restoring elastic force of the elastic element 16.

One side of the clamping gap is a circular truncated cone-shaped channel which can be matched with the rivet head, the other side of the clamping gap is a cylindrical channel, and the circular truncated cone-shaped channel is communicated with the cylindrical channel; specifically, the rivet can be better clamped and fixed through the clamping gap, the stability of the rivet on the clamping block 6 is improved, the rivet is prevented from falling, meanwhile, the channel in the shape of the circular truncated cone can adapt to rivet heads in various shapes, the clamping block 6 can better clamp and fix screws in different shapes, the applicability of the clamping jaw assembly to rivets in different shapes is favorably improved, and the universality and the feeding stability of the feeding device are further improved.

The telescopic rod 19 is provided with an installation seat 18 for installing the clamping block 6, the installation seat 18 is an L-shaped structural member, the horizontal end of the installation seat 18 is arranged on the telescopic rod 19, the clamping block 6 is rotatably installed at the vertical end of the installation seat 18, the middle part of the elastic element 16 is propped against the horizontal end of the installation seat 18, and two ends of the elastic element 16 are respectively propped against the clamping blocks 6 on the left side and the right side of the installation seat 18; specifically, the mounting seat 18 may be fixed to the telescopic end of the telescopic rod 19 by welding or screwing, or may be fixed to the telescopic end of the telescopic rod 19 by welding, and a person skilled in the art may also select the mounting and fixing manner of the mounting seat 18 as needed, as long as the mounting seat 18 can stably extend and retract along with the telescopic rod 19; the middle part of the elastic element 16 is propped against the mounting seat 18, so that the elastic element 16 can be ensured to be always stably matched with the clamping block 6, excessive deformation of the elastic element 16 is avoided, and the stability, reliability and service life of the elastic element 16 in the using process are improved.

One end of the clamping block 6 facing the telescopic rod 19 is provided with gears 17 which are matched with each other; specifically, the gear 17 may be fixed to the clamping block 6 by welding, or may be integrally formed with the clamping block 6, and a person skilled in the art may select other ways to mount the fixed gear 17 as needed, as long as the gears 17 on the two clamping blocks 6 are engaged with each other; through setting up gear 17, two clamp blocks 6 can take place synchronous rotation under the effect of gear 17 meshing, are favorable to guaranteeing that two clamp blocks 6 press from both sides tightly or loosen the rivet in step, have improved the reliability and the stability of clamping jaw assembly in the course of the work.

The working principle of the feeding device is described below in connection with an automatic nail feeder;

an automatic nail feeding machine is shown in figures 3 and 4 and comprises a nail storage device, a feeding device and a nail feeding device, wherein the nail storage device comprises a nail storage barrel 1 and a discharging mechanism arranged on the nail storage barrel 1; the feeding device comprises a rotating disc 14 and a driving mechanism for driving the rotating disc 14 to rotate, the rotating disc 14 is arranged corresponding to the discharging mechanism, and a grabbing mechanism for grabbing rivets is arranged on the rotating disc 14; the nail feeding mechanism comprises a nail feeding pipe 7, a pushing mechanism used for pushing rivets to move is arranged at one end of the nail feeding pipe 7, a nail feeding port 13 is arranged at the position, corresponding to the rotating disc 14, of the other end of the nail feeding pipe, and the nail feeding port 13 is communicated with the nail feeding pipe 7.

The discharging mechanism comprises a spiral material guide plate 2 arranged in a nail storage barrel 1, and a pushing assembly used for pushing rivets to move along the material guide plate 2 is arranged in the nail storage barrel 1 corresponding to the material guide plate 2; specifically, a lot of rivets can be deposited to spiral stock guide 2, has improved the storage capacity who stores up a nail section of thick bamboo 1, and the rivet also can be followed spiral stock guide 2 and risen one by one and shifted out and store up a nail section of thick bamboo 1 simultaneously, and the rivet is snatched to convenient subsequent mechanism of snatching, is favorable to improving this kind and send the holistic reliability of nailing machine and send nail efficiency.

A circular arc-shaped discharging plate 12 is arranged at the discharging end of the material guide plate 2 corresponding to the nail inlet 13, one end of the discharging plate 12 is arranged on the material guide plate 2, and the other end of the discharging plate is connected with the nail feeding pipe 7; specifically, the discharge end of the guide plate 2 is located above the guide plate 2, one end of the discharge plate 12 can be welded and fixed on the guide plate 2, the other end of the discharge plate can be welded and fixed on the nail feeding pipe 7, the discharge plate 12 and the guide plate 2 are in smooth transition, and the technical personnel in the field can also adopt other modes to fix the two ends of the discharge plate 12, so long as the discharge plate 12 can be always stably connected with the guide plate 2 and the nail feeding pipe 7, and the rivet can be stably fed into the nail feeding pipe 7 through the discharge plate 12.

Preferably, in order to improve the stability of the nail feeding pipe 7, the nail feeding pipe 7 can also be independently installed on an external equipment frame, and a person skilled in the art can select the nail feeding pipe according to the needs as long as the nail feeding device can feed nails stably all the time.

A circular arc-shaped guide plate 15 is arranged between the discharge plate 12 and the rotating disc 14, the guide plate 15, the rotating disc 14 and the discharge plate 12 are coaxially arranged, the length directions of the guide plate 15 and the discharge plate 12 are the same as the rotating direction of the rotating disc 14, and a guide gap convenient for the rivet to pass through is formed between the guide plate 15 and the discharge plate 12; specifically, the diameter of the discharging plate 12 is greater than that of the guide plate 15, the diameter of the guide plate 15 is greater than that of the rotating disc 14, the discharging plate 12 and the guide plate 15 can be connected through a connecting strip, two ends of the connecting strip can be respectively welded and fixed on the discharging plate 12 and the guide plate 15, the discharging plate 12 and the guide plate 15 can also be directly installed on an external equipment frame to be fixed, and technicians in the field can also fix the discharging plate 12 and the guide plate 15 in other ways as long as the discharging plate 12 and the guide plate 15 can be always stably arranged;

snatch the mechanism and can drive the rivet along the stable removal in guide clearance after snatching the rivet, through setting up play flitch 12 and deflector 15, improved the stability of rivet in the removal process greatly, can ensure that the rivet gets into through advancing nail mouth 13 and send nail pipe 7.

The nail storage barrel 1 and the guide plate 2 are arranged in a relatively rotating mode, the pushing assembly comprises a rotating shaft 5 which is arranged in the middle of the guide plate 2 in a rotating mode, the rotating shaft 5 and the nail storage barrel 1 are arranged coaxially, a plurality of limiting plates 4 are evenly arranged on the periphery of the rotating shaft 5, the length direction of each limiting plate 4 is the same as that of the rotating shaft 5, and a limiting gap matched with a rivet exists between every two adjacent limiting plates 4; specifically, a gap for accommodating the rotating shaft 5 is formed in the middle of the guide plate 2, the guide plate 2 can be fixed on an external equipment frame through screws or welding, and a person skilled in the art can also install and fix the guide plate 2 in other ways as long as the guide plate 2 can be kept stable and does not rotate along with the nail storage barrel 1; the nail storage barrel 1 can be rotatably arranged on an external equipment frame, and a person skilled in the art can also select other modes to arrange the nail storage barrel 1, the guide plate 2 and the rotating shaft 5 by himself or herself, as long as the relative rotation between the nail storage barrel 1 and the guide plate 2 can be realized.

Limiting plate 4 can welded fastening on axis of rotation 5, also can with axis of rotation 5 integrated into one piece, and the technical staff in the field can select by oneself, and axis of rotation 5 can external drive device, and technical staff in the field also can adopt other modes drive axis of rotation 5 to rotate, as long as can realize axis of rotation 5 drive the rivet along the 15 removal of deflector can.

The nail storage barrel 1 is provided with limiting pieces 3 corresponding to the limiting pieces 4, the length direction of each limiting piece 3 is the same as that of each limiting piece 4, and a positioning gap matched with a rivet is formed between every two adjacent limiting pieces 3; specifically, locating part 3 can welded fastening on storing up a nail section of thick bamboo 1, also can with store up a nail section of thick bamboo 1 integrated into one piece, and the fixed locating part 3 of other mode installations also can be selected as required to the skilled person in the art, and the locating gap can limit the both ends of rivet respectively with spacing clearance fit, and wherein the locating gap can limit the rivet head, and the spacing gap can limit the rivet tail, and locating gap and spacing gap can play fine spacing guide effect to the rivet.

In embodiment 2, the gripping mechanism includes a plurality of telescopic rods 19 uniformly arranged on the rotating disc 14, each telescopic rod 19 is radially arranged with the center of the circle of the rotating disc 14 as the center, one end of each telescopic rod 19 is arranged on the rotating disc 14, and the other end of each telescopic rod 19 is provided with a clamping jaw assembly for clamping rivets; specifically, telescopic link 19 can adopt current electric putter 11 or electric cylinder, as long as can realize radially stretching out and drawing back along the carousel can, clamping jaw subassembly can adopt current electronic clamping jaw or pneumatic clamping jaw, and technical personnel in the art also can adopt the clamping jaw of current other models, as long as can realize snatching the rivet can, no longer describe here.

The pushing mechanism comprises a push rod 11 arranged in the nail feeding pipe 7 in a sliding mode, and a power assembly 9 used for driving the push rod 11 to move is arranged on the nail feeding pipe 7; specifically, the nail feeding pipe 7 can be connected with the next rivet processing equipment, so that continuous feeding of rivets can be realized, the power assembly 9 comprises a driver arranged on the nail feeding pipe 7, the telescopic end of the driver is connected with the push rod 11, and the fixed end of the driver is arranged on the nail feeding pipe 7; specifically, after the clamping jaw assembly with the rivet moves to the nail inlet 13, an operator can control the driver to drive the push rod 11 to move, and the rivet is pushed out of the clamping gap by the push rod 11 to complete one-time nail feeding operation.

In embodiment 5, a strip-shaped hole 8 is formed in the position, corresponding to the push rod 11, of the nail feeding pipe 7, the length direction of the strip-shaped hole 8 is the same as the length direction of the nail feeding pipe 7, a positioning column 10 matched with the strip-shaped hole 8 is arranged on the push rod 11, one end of the positioning column 10 is arranged on the push rod 11, and the other end of the positioning column is connected with the telescopic end of the driver; specifically, the driver can adopt sharp module, electric putter 11 or electrical cylinder, and other drivers also can be adopted to technical staff in the art, as long as can realize driving push rod 11 and remove can, reference column 10 can one end welded fastening on push rod 11, and the other end passes through the flexible end of screw mounting fixation at the driver, and technical staff in the art also can adopt other modes to install reference column 10, as long as can realize reference column 10 and push rod 11 and the flexible stable connection of end of driver can.

The automatic nail feeder has the following specific working modes:

firstly, an operator drives the rotating shaft 5 and the nail storage barrel 1 to synchronously rotate by using an external driving device to drive the rivets in the nail storage barrel 1 to spirally move upwards along the guide plate 2 until the rivets move to the discharge plate 12; then the operator controls the extension of the telescopic rod 19, drives the telescopic rod 19 to drive the clamping jaw assembly to move downwards, after the rivet pushes the clamping gap open, the two clamping blocks 6 can stably clamp and fix the rivet under the action of the elastic element 16 to complete the grabbing of the rivet, finally the operator drives the rotating disc 14 to rotate by using the driving mechanism until the clamping jaw assembly with the rivet moves to the rivet inlet 13, the operator can drive the push rod 11 to push the rivet out of the clamping jaw assembly, one-time nail feeding operation is completed, and the operation is very simple.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. The utility model provides an automatic send nail machine loading attachment which characterized in that: the rivet grabbing device comprises a rotating disc and a driving mechanism for driving the rotating disc to rotate, wherein a grabbing mechanism for grabbing rivets is arranged on the rotating disc; the grabbing mechanism comprises a plurality of telescopic rods uniformly arranged on the rotating disc, each telescopic rod is radially arranged by taking the circle center of the rotating disc as the center, one end of each telescopic rod is arranged on the rotating disc, and the other end of each telescopic rod is provided with a clamping jaw assembly for clamping rivets; the clamping jaw assembly comprises two clamping blocks which are correspondingly arranged on the left side and the right side of the telescopic rod, each clamping block is rotatably arranged on the telescopic rod, an inverted U-shaped elastic element is arranged on one side of each clamping block, which faces the telescopic rod, and two ends of each elastic element are respectively connected with the two clamping blocks.

2. The feeding device for the automatic nail feeder according to claim 1, wherein: and the holding grooves on the two clamping blocks are spliced to form a clamping gap similar to the shape of the rivet.

3. The feeding device for the automatic nail feeder according to claim 2, wherein: one side of the clamping gap is a circular truncated cone-shaped channel matched with the rivet head, the other side of the clamping gap is a cylindrical channel, and the circular truncated cone-shaped channel is communicated with the cylindrical channel.

4. The feeding device for the automatic nail feeder according to claim 1, wherein: the telescopic rod is provided with a mounting seat for mounting the clamping block, the mounting seat is an L-shaped structural member, the horizontal end of the mounting seat is arranged on the telescopic rod, the clamping block is rotatably mounted at the vertical end of the mounting seat, the middle part of the elastic element props against the horizontal end of the mounting seat, and the two ends of the elastic element respectively prop against the clamping blocks at the left side and the right side of the mounting seat.

5. The feeding device for the automatic nail feeder according to claim 1, wherein: and one end of the clamping block, which faces the telescopic rod, is provided with gears which are matched with each other.