CN111805648A

CN111805648A - Frame nailing machine

Info

Publication number: CN111805648A
Application number: CN202010690769.6A
Authority: CN
Inventors: 方诚
Original assignee: Yangzhou Feishi Technology Co ltd
Current assignee: Yangzhou Feishi Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-10-23

Abstract

The invention discloses a frame nailing machine. The frame nailing machine comprises a machine table, wherein the machine table is provided with a flow working surface, one side of the flow working surface is provided with a clamping swing arm for positioning a photo frame, the other side of the flow working surface is provided with a linkage device, the linkage device is connected with a pneumatic nail gun, and a gun nozzle of the pneumatic nail gun is provided with a pressing device. The invention solves the problem of automatic nailing of the photo frame.

Description

Frame nailing machine

Technical Field

The invention relates to the field of photo frame manufacturing, in particular to a frame nailing machine.

Background

Photo frame mounting is adopted mostly to photo, picture, adopts manual work mostly at present, and degree of automation is not enough, at the bottom of whole production efficiency, the potential safety hazard is also great.

Therefore, automatic production equipment is required to meet the requirement of mass production.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the frame nailing machine which can improve the working efficiency and meet the requirement of mass production.

In order to achieve the purpose, the frame nailing machine adopts the technical scheme that:

a frame nailing machine comprises a machine table, wherein the machine table is provided with a flow working surface, one side of the flow working surface is provided with a clamping swing arm for positioning a photo frame, the other side of the flow working surface is provided with a linkage device, the linkage device is connected with a pneumatic nail gun, and a gun nozzle of the pneumatic nail gun is provided with a pressing device. The photo frame is placed on a running water working surface, the photo frame is positioned and clamped by the clamping swing arm, the pneumatic nail gun is moved to the upper side of the photo frame through the linkage device, the photo frame back plate and the frame are pressed tightly by the pressing device, and the pneumatic nail gun finishes the circumferential nailing of the photo frame through the linkage device.

Preferably, the running water working surface comprises two running water rollers parallel to the X axis, one side of at least one roller is provided with a running water driven wheel, the running water driven wheel is connected with a running water driving wheel through a running water belt, the running water driving wheel is fixedly connected to an output shaft of a running water motor, and the outer sides of the two running water rollers are sleeved with the running water belt. The flow motor is started, and the flow belt conveys the photo frame, so that flow operation is realized.

Preferably, press from both sides tight swing arm and include perpendicular to board Y to first swing arm and second swing arm, first swing arm rigid coupling is at the discharge end of board, and first swing arm includes first cylinder, and the flexible end rigid coupling of first cylinder has first dog, and the second swing arm passes through Y to the feed end of reciprocating motion device sliding connection at the board, and the second swing arm includes the second cylinder, and the flexible end rigid coupling of second cylinder has the second dog, and the tight photo holder frame of second dog cooperation first dog clamp. The photo holder frame is placed on the board, and is fixed a position by first dog earlier, and the second dog passes through Y and removes to reciprocating motion device to first dog, slides first dog cooperation second dog and steps up the photo holder frame, realizes the accurate positioning of photo holder frame.

Preferably, the Y-direction reciprocating device comprises a first swing arm slider arranged at the bottom of the second cylinder, a swing arm guide rail is slidably arranged on the first swing arm slider, swing arm transmission wheels are collinearly arranged at the front end and the rear end of the swing arm guide rail, first swing arm belts are sleeved on the outer sides of the two swing arm transmission wheels and fixedly connected with the first swing arm slider, and at least one swing arm transmission wheel is provided with a swing arm transmission device. The second swing arm moves along the Y direction through belt transmission, and is high in speed and high in efficiency.

Preferably, a swing arm pressing device is arranged at the top of the first swing arm sliding block and comprises a swing arm mounting seat, a guide pillar parallel to the Y direction is arranged on the swing arm mounting seat, a second swing arm sliding block and a swing arm spring are sleeved on the guide pillar, the swing arm spring is located on one side, facing the feeding end of the machine table, of the second swing arm sliding block, and the second swing arm sliding block is fixedly connected to the bottom of the second air cylinder. After the second stopper contradicts the photo frame, through swing arm spring buffering, reduce the impact to the photo frame, the swing arm spring provides pressure for the photo frame simultaneously, restricts the photo frame and removes.

Preferably, the swing arm transmission device comprises a swing arm motor fixedly connected with the machine table, an output end of the swing arm motor is fixedly connected with a swing arm driving wheel, the swing arm driving wheel is connected with a swing arm driven wheel through a second swing arm belt, and the swing arm driven wheel is connected with a swing arm transmission wheel through a swing arm rotating shaft.

Preferably, the swing arm guide rail is provided with first swing arm optical detector next to board discharge end one side, and the swing arm guide rail is provided with second swing arm optical detector next to board feed end one side, and first swing arm slider is equipped with the first swing arm optical detector of cooperation first swing arm optical detector and second swing arm optical detector and examines the piece. The first swing arm photo-detection piece is matched with the first swing arm photo-detection device and the second swing arm photo-detection device, so that the moving space of the first swing arm sliding block is limited, and the first swing arm sliding block is ensured not to fall off from the swing arm guide rail.

Preferably, the swing arm mount pad is equipped with the third swing arm optical detector and the fourth swing arm optical detector of control first swing arm slider translation rate, and fourth swing arm optical detector is in and is close to board feed end one side, and the second swing arm slider is equipped with the second swing arm optical detector piece that cooperates third swing arm optical detector and fourth swing arm optical detector. The photo holder frame is placed on the board, after being fixed a position by first dog, first swing arm slider is high-speed to take the second dog to first dog, after the second dog contradicts the photo holder frame, second swing arm slider removes compression swing arm spring, when third swing arm optical detector detects second swing arm optical detector, first swing arm slider reduces to the low-speed removal, second swing arm slider continues to remove compression swing arm spring, when fourth swing arm optical detector detects second swing arm optical detector, first swing arm slider stop movement, the photo holder frame received the sufficient pressure of swing arm spring this moment, can not remove.

Preferably, the board is equipped with the first swing arm through-hole that first dog stretches out and the second swing arm through-hole that the second dog stretches out, and the second swing arm through-hole is equipped with the swing arm slide towards board discharge end one side, and the swing arm slide is used for dodging the flexible end of second cylinder, and the swing arm slide is provided with the swing arm baffle towards board working face one side. The first stop block and the second stop block can be retracted into the inner side of the machine table, so that the photo frame can be conveniently conveyed on the flow work surface of the machine table; the swing arm baffle shields the swing arm slideway and also serves as a picture frame to enter the X-direction backer of the running water working surface of the machine table.

Preferably, the second swing arm comprises a second cylinder, and a second stop block is fixedly connected to an output end of the second cylinder. The second swing arm can adjust the extending distance of the second stop block according to the size of the photo frame.

Preferably, the elastic part is a spring, the spring is sleeved on the guide post, and the guide post is further sleeved with a cushion block convenient for the spring to compress. The spring can directly sleeve the guide post, and has simple structure and convenient assembly.

Preferably, the transmission mechanism comprises transmission wheels symmetrically arranged on two sides of the guide rail in the Y direction, at least one transmission wheel is connected with a driven wheel through a rotating shaft, the driven wheel is connected with a driving wheel through a first belt, the driving wheel is fixedly connected to an output shaft of the motor, and a second belt for driving the second sliding block to move is further sleeved on the outer sides of the two transmission wheels. The second sliding block moves on the guide rail through belt transmission, so that the speed is high and the working efficiency is high.

Preferably, the aggregate unit includes Y to moving mechanism, and Y includes along the support of Y direction reciprocating sliding to moving mechanism on the board, the leg joint has X to moving mechanism, and X includes the crossbeam with the perpendicular rigid coupling of support to moving mechanism, and crossbeam sliding connection has Z to moving mechanism, and Z includes along X direction reciprocating motion's mount pad on the crossbeam to moving mechanism, and the mount pad is provided with at Z to reciprocating motion's first Z to the slider, and pivoted R axle mechanism is installed to first Z to the slider, R axle mechanism includes the pivot with first Z to the slider pin joint, the air nail rifle is installed to the lower extreme of pivot, and the rotatory R axle motor of drive pivot is installed to first Z to the slider. The air nail gun realizes four-axis linkage through the X-direction moving mechanism, the Y-direction moving mechanism, the Z-direction moving mechanism and the R-axis mechanism arranged on the Z-direction moving mechanism, and the automatic nailing of the photo frame is completed.

Preferably, R axle mechanism includes the pivot, the first Z of pivot pin joint is to the slider, first Z has the installed part to the slider rigid coupling, installed part rigid coupling R axle motor, and R axle motor output shaft rigid coupling has R axle action wheel, and R axle action wheel is connected with the R axle through R axle belt and follows the driving wheel, and the R axle follows the driving wheel rigid coupling at the pivot middle part. The R-shaft driving wheel drives the R-shaft driven wheel to rotate around the axis of the rotating shaft through the R-shaft belt, and the rotation of the air nail gun on the R shaft is realized.

Preferably, flanges are arranged on two sides of the mounting part and fixedly connected with a second Z-direction sliding block, the second Z-direction sliding block is slidably matched with a Z-direction guide rail, and the Z-direction guide rail is fixedly connected with the mounting seat. The first Z-direction sliding block is matched with the Z-direction guide rail in a sliding mode, so that the R-axis mechanism is stable and reliable when reciprocating along the Z direction along with the sliding block.

Preferably, at least one side Z is equipped with first optical detector to the guide rail top, and the installed part is equipped with the first optical detection board of the first optical detector of cooperation, and first optical detection board upper edge is higher than first Z to the slider upper edge. The first optical detection plate reaches the upper end of the Z-direction guide rail before the first Z-direction sliding block, and when the first optical detector detects the first optical detection plate, the first Z-direction sliding block stops moving, so that collision is avoided when the first Z-direction sliding block moves upwards.

Preferably, the upper side of the R-axis driven wheel is provided with a second optical detector for monitoring the rotation angle of the R-axis driven wheel, the second optical detector is fixedly connected to the mounting piece, and the edge of the R-axis driven wheel is provided with a second optical detection piece matched with the second optical detector. The second optical detector is matched with the second optical detection sheet, the rotation of the R-axis driven wheel is limited not to exceed 360 degrees, and the air pipes on the air nail gun are prevented from being wound.

Preferably, the installed part is equipped with the through-hole that the R axle stretches out from the driving wheel, and through-hole one side is equipped with and blocks the first spacing face of R axle from the driving wheel rotation, and the R axle is provided with the stopper of the first spacing face of cooperation from the driving wheel, the stopper is including the spacing face of second and the spacing face of third that are in second optical detection piece both sides. The second limit surface and the third limit surface which are arranged on the driven wheel are respectively matched with the first limit surface arranged at the through hole of the mounting part, so that the rigid limit of the driven wheel is formed, and the air pipe on the air nail gun is prevented from being wound when the second optical detector and the second optical detection sheet are matched and failed.

Preferably, the Y-direction moving mechanism includes a Y-direction motor fixedly connected to the machine table, an output shaft of the Y-direction motor is fixedly connected to a Y-direction lead screw arranged along the Y-direction, the Y-direction lead screw is pivotally connected to the machine table, a Y-direction slider reciprocating on the Y-direction lead screw, Y-direction guide rails slidably fitted to the Y-direction slider are provided on two sides of the Y-direction slider, and the Y-direction guide rails are fixedly connected to the machine table. The Y-direction moving mechanism realizes the reciprocating movement of the air nail gun in the Y direction.

Preferably, the X-direction moving mechanism comprises a cross beam vertically and fixedly connected with the support, an X-direction motor is fixedly connected to one end of the cross beam, an X-direction driving wheel is fixedly connected to an output shaft of the X-direction motor, an X-direction driven wheel is fixedly connected to the other end of the cross beam, an X-direction belt is sleeved outside the X-direction driven wheel and the X-direction driving wheel, an X-direction sliding block is arranged on the X-direction belt, an X-direction guide rail is slidably matched with the X-direction sliding block, and the X. The X-direction moving mechanism realizes the reciprocating movement of the air nail gun in the X direction.

Preferably, the Z-direction moving mechanism comprises a mounting seat which reciprocates along the X direction on the beam, a Z-direction motor is fixedly connected to the top of the mounting seat, an output shaft of the Z-direction motor is fixedly connected to a Z-direction lead screw, the Z-direction lead screw is pivoted to the mounting seat, and a first Z-direction sliding block is arranged between two pivoting points. The Z-direction moving mechanism realizes the Z-direction reciprocating movement of the air nail gun.

Preferably, the pressing device comprises a pneumatic nail gun fixedly connected to the lower end of the Z-direction moving mechanism, a pressing plate is connected to the gun nozzle end of the pneumatic nail gun in a sliding mode, the pressing plate moves up and down along the Z axis through a guide device, an elastic piece is arranged between the pressing plate and the pneumatic nail gun and provides downward force for the pressing plate, a limiting device is arranged on the pneumatic nail gun and used for limiting the limiting position of the pressing plate to move up and down, and the lower end of the pressing plate is not higher than the gun nozzle of the pneumatic nail gun in the initial state and the limiting state. The air nail gun descends along with the Z-direction moving mechanism, the pressing plate abuts against the photo frame back plate and moves upwards along the guide device, the limiting device limits the position of the pressing plate, interference between a gun nozzle of the air nail gun and the back plate is avoided, meanwhile, the elastic piece provides downward force for the pressing plate, the pressing plate compresses the back plate and the frame, and the air nail gun performs nailing.

Preferably, both sides of the gun nozzle of the air nail gun are connected with the pressing plate in a sliding mode. The pressure plates are arranged on two sides of the gun nozzle of the air nail gun, so that the stability of the air nail gun during nailing is improved.

Preferably, a working position optical detector is arranged above the pressing plate on one side, a limit position optical detector is arranged above the pressing plate on the other side, the mounting position of the limit position optical detector is higher than that of the working position optical detector, and position optical detection sheets are arranged at the upper ends of the pressing plates on the two sides. The air nail gun descends along with the Z-direction moving mechanism, the pressing plate moves upwards, if the working position photo detector detects the position photo detection piece, the air nail gun performs nailing work, and if the limit position photo detector detects the position photo detection piece, the air nail gun does not descend along with the Z-direction moving mechanism any more, and stops working.

Preferably, the limiting device comprises two cylinders arranged at the nozzle end of the air nail gun, and the central connecting line of the two cylinders is parallel to the Z direction. The cylinder on the upper side is the limit position of the downward moving of the pressure plate, and the cylinder on the lower side is the limit position of the upward moving of the pressure plate.

Preferably, the guide device comprises a waist-shaped hole arranged on the pressure plate, the pressure plate is connected to one end of the gun nozzle of the air nail gun in a sliding mode through the waist-shaped hole, and a baffle is arranged on the outer side of the pressure plate. The pressing plate moves up and down along the two cylinders in the Z direction, and the baffle blocks the pressing plate to fall off from the two cylinders.

Preferably, the elastic piece is a spring, the pressing plate is provided with a first spring mounting hole, the air nail gun is provided with a second spring mounting hole, and the first spring mounting hole is located on the upper side of the second spring mounting hole. The spring has simple structure and is convenient to install.

Preferably, the lower end of the pressing plate is pivoted with a roller. The rollers facilitate the movement of the platen on the backplate.

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

1. the flow motor is started, and the flow belt conveys the photo frame, so that flow operation is realized, and the working efficiency is improved;

2. the photo frame is attached to the swing arm baffle and the first stop block, the second stop block moves along with the first swing arm slide block and abuts against the photo frame, and the second stop block is matched with the first stop block under the reaction force of the swing arm spring to clamp the photo frame;

3. the air nail gun realizes four-axis linkage through the X-direction moving mechanism, the Y-direction moving mechanism, the Z-direction moving mechanism and the R-axis mechanism arranged on the Z-direction moving mechanism, completes automatic nailing of the photo frame, has high working efficiency and can meet the requirement of mass production;

4. the air nail gun moves downwards along with the Z-direction moving mechanism, the pressing plate is abutted against the back plate and moves upwards along the two cylinders, meanwhile, the spring provides downward force for the pressing plate, the back plate and the frame are pressed tightly by the roller, and the back plate and the frame are ensured to be nailed in place.

Drawings

FIG. 1 is a schematic view of a frame nailing machine;

FIG. 2 is a schematic diagram of a flow surface;

FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic structural view of a clamping swing arm;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 is an enlarged view of a portion of FIG. 5;

FIG. 8 is a schematic structural view of a Y-direction moving mechanism;

FIG. 9 is a schematic structural view of an X-direction moving mechanism;

FIG. 10 is a schematic structural view of a Z-direction moving mechanism;

FIG. 11 is a schematic structural view of an R-axis mechanism;

FIG. 12 is a schematic structural view of a sheet metal part;

FIG. 13 is a schematic view of the construction of the hold-down device;

fig. 14 is a partially enlarged view of fig. 13.

Wherein, 1 machine table, 11 first swing arm through hole, 12 second swing arm through hole, 13 swing arm slide way, 2 linkage device, 10 flowing water working surface, 101 flowing water roller, 102 flowing water driven wheel, 103 flowing water belt, 104 flowing water driving wheel, 105 flowing water motor, 20 clamping swing arm, 21 first swing arm, 211 first air cylinder, 212 first stop, 22 second swing arm, 221 second air cylinder, 222 second stop, 23Y direction reciprocating device, 231 first swing arm slide block, 232 swing arm guide rail, swing arm 233 driving wheel, 234 first swing arm belt, 24 swing arm transmission device, 241 swing arm motor, 242 swing arm driving wheel, 243 second swing arm belt, 244 swing arm driven wheel, 245 swing arm rotating shaft, 25 swing arm pressing device, 251 swing arm mounting seat, 252 guide pillar, 253 swing arm spring, cushion block 254, 255 second swing arm slide block, 256 first swing arm photo detector, 257 third swing arm photo detector, 258 fourth swing arm photo detector, 259 second swing arm photo detector, 26 first swing arm photo detector, 27 second swing arm photo detector, 30Y direction moving mechanism, 301Y direction motor, 302Y direction lead screw, 303Y direction slide block, 304Y direction guide rail, 305 bracket, 40X direction moving mechanism, 401 beam, 402X direction motor, 403X direction drive wheel, 404X direction driven wheel, 405X direction belt, 406X direction slide block, 407X direction guide rail, 50Z direction moving mechanism, 501 mount, 502Z direction motor, 503Z direction lead screw, 504 first Z direction slide block, 505 air nailer, 506 second Z direction slide block, 507Z direction guide rail, 508 first photo detector, 60R axis mechanism, 601 rotation axis, 602 mounting piece, 603 flanging, 604 first photo detector plate, 605R axis motor, 606R axis drive wheel, 607R axis belt, 608R axis driven wheel, through hole, 610 first limit face, 611 second photo detector, 612 limiting block piece, second photo detector, 614, 615 second limit surface, 616 third limit surface, 5051 column, 5052 second spring mounting hole, 701 pressing plate, 702 kidney-shaped hole, 703 baffle, 704 roller, 705 position photo detector, 706 working position photo detector, 707 limit position photo detector, 708 first spring mounting hole and 709 spring.

Detailed Description

The present invention is further illustrated by the following description in conjunction with the accompanying drawings, which are to be construed as merely illustrative and not limitative of the remainder of the disclosure, and on reading the disclosure, various equivalent modifications thereof will become apparent to those skilled in the art and fall within the limits of the appended claims.

As shown in fig. 1 to 14, a frame nailing machine comprises a machine table 1, a running water working surface 10 is arranged at the top of the machine table, a clamping swing arm 20 for positioning a photo frame is arranged at the right side of the running water working surface, a linkage device 2 is arranged at the left side of the running water working surface, the linkage device is connected with a pneumatic nail gun 505, and a clamping device 70 is arranged at the nozzle of the pneumatic nail gun.

The assembly line working face comprises two assembly line rollers 101 parallel to an X axis, one assembly line roller is installed at the feeding end of a machine table, the other assembly line roller is installed at the discharging end of the machine table, the left end of the assembly line roller installed at the discharging end of the machine table is fixedly connected with an assembly line driven wheel 102, the assembly line driven wheel is connected with an assembly line driving wheel 104 through an assembly line belt 103, the assembly line driving wheel is fixedly connected with an output shaft of an assembly line motor 105, the outer sides of the two assembly line rollers are sleeved with the assembly line belt, the assembly line motor is started, and the assembly line.

The clamping swing arm comprises a first swing arm 21 and a second swing arm 22 which are arranged on the right side of the machine table, the first swing arm 21 and the second swing arm 22 are perpendicular to the Y direction of the machine table, the first swing arm is fixedly connected at the discharge end of the machine table, the first swing arm comprises a first air cylinder 211, the telescopic end of the first air cylinder is fixedly connected with a first stop block 212, the second swing arm is slidably connected at the feed end of the machine table through a Y-direction reciprocating device 23, the second swing arm comprises a second air cylinder 221, the telescopic end of the second air cylinder is fixedly connected with a second stop block 222, the Y-direction reciprocating device comprises a first swing arm slide block 231, a swing arm guide rail 232 is slidably arranged at the bottom of the first swing arm slide block, swing arm driving wheels 233 are arranged at the front end and the rear end of the swing arm guide rail in a collinear manner, a swing arm driving wheel at the rear side is connected with a swing arm driving device 24, the swing, the swing arm driven wheel is connected with swing arm driving wheels through a swing arm rotating shaft 245, a first swing arm belt 234 is sleeved on the outer sides of the two swing arm driving wheels, the first swing arm belt is fixedly connected with a first swing arm slide block, the top of the first swing arm slide block is fixedly connected with a swing arm pressing device 25, the swing arm pressing device comprises a swing arm mounting seat 251, a guide pillar 252 parallel to the Y direction is mounted on the swing arm mounting seat, a swing arm spring 253, a cushion block 254 and a second swing arm slide block 255 are sequentially sleeved on the guide pillar from the feeding end to the discharging end, the cushion block facilitates the compression of the swing arm spring, the second swing arm slide block is fixedly connected to the bottom of a second air cylinder, a first swing arm photo detector 26 is mounted on one side of the swing arm guide rail close to the discharging end of the machine table, a second swing arm photo detector 27 is mounted on one side of the swing arm guide rail close to the feeding end of the machine table, a first swing arm photo detector 256 matched with the first, the first swing arm slide block is limited to move on a swing arm guide rail, a third swing arm photo detector 257 and a fourth swing arm photo detector 258 are arranged on the right side of a swing arm mounting seat and used for controlling the moving speed of the first swing arm slide block, the fourth swing arm photo detector is positioned on one side close to the feeding end of a machine table, a second swing arm photo detector 259 matched with the third swing arm photo detector and the fourth swing arm photo detector is arranged on the second swing arm slide block, the machine table is provided with a first swing arm through hole 11 extending from a first stop block and a second swing arm through hole 12 extending from a second stop block, the first stop block and the second stop block can be retracted into the inner side of the machine table to facilitate the transmission of a photo frame on the flow working surface of the machine table, the arranging position of the second swing arm through hole corresponds to the installing position of the first swing arm photo detector, the second swing arm through hole is provided with a swing arm slide 13 facing the discharging end side of the machine table, the swing arm slide is used, the swing arm baffle shields the swing arm slideway and also serves as a picture frame to enter the X-direction backer of the running water working surface of the machine table.

The linkage device comprises a Y-direction moving mechanism 30 arranged on the left side of a machine table, the Y-direction moving mechanism comprises a Y-direction motor 301 fixedly connected with the machine table, the output shaft of the Y-direction motor is fixedly connected with a Y-direction lead screw 302 arranged along the Y direction, the Y-direction lead screw is pivoted with the machine table, a Y-direction slider 303 which reciprocates is in threaded connection with the Y-direction lead screw, Y-direction guide rails 304 which are matched with the Y-direction slider in a sliding way are arranged on two sides of the Y-direction slider, the Y-direction guide rails are fixedly connected with the machine table, the top of the Y-direction slider is fixedly connected with a bracket 305, the bracket is connected with an X-direction moving mechanism 40, the X-direction moving mechanism comprises a cross beam 401 which is vertically and fixedly connected with the bracket, the left end of the cross beam is fixedly connected with an X-direction motor 402, the output shaft of the X-direction motor is fixedly connected with an X-direction driving wheel 403, an X-direction sliding block is fixedly connected with a Z-direction moving mechanism 50, the Z-direction moving mechanism comprises a mounting seat 501 which reciprocates along the X direction on a beam, the top of the mounting seat is fixedly connected with a Z-direction motor 502, the output shaft of the Z-direction motor is fixedly connected with a Z-direction lead screw 503, the Z-direction lead screw is pivoted with the mounting seat, a first Z-direction sliding block 504 is arranged between two pivoting points, the mounting seat is in threaded connection with a first Z-direction sliding block which reciprocates along the Z direction, the first Z-direction sliding block is provided with a rotating R-axis mechanism 60, the R-axis mechanism comprises a rotating shaft 601, the lower end of the rotating shaft is provided with a pneumatic nail gun 505, the upper end of the rotating shaft is pivoted with the first Z-direction sliding block, the lower side of the pivoting point of the first Z-direction sliding block is fixedly connected with a mounting piece 602, flanges 603 are arranged on two sides of the mounting piece, the flanges are fixedly connected with a second Z-, a first photo detector 508 is arranged at the top end of the Z-direction guide rail on the right side, the first photo detector is fixedly connected with the mounting seat, a first photo detection plate 604 matched with the first photo detector is arranged at the flanging of the right side of the mounting piece, the upper edge of the first photo detection plate is higher than the upper edge of a first Z-direction sliding block, the first photo detection plate reaches the upper end of the Z-direction guide rail before the first Z-direction sliding block, when the first photo detector detects the first photo detection plate, the first Z-direction sliding block stops moving to avoid collision when the first Z-direction sliding block moves upwards, the mounting piece is fixedly connected with an R-axis motor 605, an output shaft of the R-axis motor is fixedly connected with an R-axis driving wheel 606, the R-axis driving wheel is connected with an R-axis driven wheel 608 through an R-axis belt 607, the R-axis driven wheel is fixedly connected at the middle part of a rotating shaft, the R-axis driven wheel is arranged at the lower end of the mounting piece, a, the rotation initial position of the R-axis driven wheel is set to be the zero position, the top of the R-axis driven wheel is fixedly connected with a sheet metal part 612, the edge of the sheet metal part is bent to form a second photo detector 613, two sides of the second photo detector are provided with limiting blocks 614, the left limiting block comprises a second limiting face 615, the right limiting block comprises a third limiting face 616, initially, the second photo detector is in the zero position, the second photo detector is matched with the second photo detector, the rotation of the R-axis driven wheel is limited not to exceed 360 degrees, mutual winding of vent pipes on a gas nail gun is avoided, the second limiting face and the third limiting face are respectively matched with a first limiting face arranged at a through hole of a mounting part, rigid limiting of the driven wheel rotation is formed, and when the second photo detector is matched with the second photo detector to fail, mutual winding of the vent pipes on the gas nail.

The pressing device comprises a pneumatic nail gun 505 fixedly connected to the lower end of a Z-direction moving mechanism, a limiting device is arranged at one end of a gun nozzle of the pneumatic nail gun and comprises two cylinders 5051, the central line of the end part of each cylinder is parallel to the Z direction, a pressing plate 701 is sleeved on the outer side of each cylinder, the pressing plate moves up and down along the Z axis through a guiding device, the guiding device comprises two waist-shaped holes 702 formed in the pressing plate, the waist-shaped hole on the upper side corresponds to the cylinder on the upper side, the cylinder on the upper side is the limit position for downward movement of the pressing plate, excessive downward movement of the pressing plate is avoided, the working efficiency is not affected, the waist-shaped hole on the lower side corresponds to the cylinder on the lower side, the cylinder on the lower side is the limit position for upward movement of the pressing plate, the gun nozzle of the pneumatic nail gun is prevented from being excessively upward, the upper end of the pressure plate is provided with a position light detection piece 705, the upper side of the position light detection piece is respectively provided with a working position light detector 706 and a limit position light detector 707, the working position light detector and the limit position light detector are arranged on a gas nail gun, the mounting position of the limit position light detector is higher than that of the working position light detector, the light detection piece is provided with a first spring mounting hole 708, the gas nail gun is provided with a second spring mounting hole 5052, the first spring mounting hole is positioned on the upper side of the second spring mounting hole, a spring 709 is vertically arranged between the first spring mounting hole and the second spring mounting hole, the spring provides downward force for the pressure plate, so that the roller compresses the back plate and the frame, and the lowest point of the roller is not higher than a nozzle of the gas nail gun in the initial state and the limit state.

The specific working process and working principle of the invention are as follows: setting the initial position of the air nail gun according to the size of the photo frame, wherein the first stop block extends out of the first swing arm through hole, the second stop block contracts inside the second swing arm through hole, the photo frame is attached to the swing arm baffle and the first stop block and is placed on the running water working surface of the machine, the second air cylinder is started, the second stop block extends out of the second swing arm through hole, after the second stop block is abutted against the photo frame with the first swing arm slide block at a high speed under the action of belt transmission, the impact on the photo frame is reduced through the buffer of the swing arm spring, the second swing arm slide block moves to compress the swing arm spring, when the third swing arm photo detector detects the second swing arm photo detector, the first swing arm slide block is reduced to move at a low speed, the second swing arm slide block continues to move to compress the swing arm spring, when the fourth swing arm photo detector detects the second swing arm photo detector, the first swing arm slide block stops moving, enough pressure of the swing, realizing accurate positioning, starting an X-direction cylinder, moving a gas nail gun to the upper side of a first frame, starting a Z-direction cylinder to drive a first Z-direction slide block to descend, moving the gas nail gun along a Z-direction guide rail along a rotating shaft, moving the gas nail gun along a Z-direction moving mechanism to descend, abutting a roller against a back plate, moving the pressure plate along two cylinders upwards, simultaneously providing a downward pulling force for the pressure plate by a spring, pressing the back plate and the first frame by the roller, detecting a position photo detector arranged at the upper end of the pressure plate by a working position photo detector, starting the gas nail gun to nail the frame when a limit position photo detector arranged at the other side of a gun nozzle of the gas nail gun does not detect the photo detector, moving the gas nail gun to nail the frame at equal intervals while moving transversely through the X-direction moving mechanism, starting an R-axis motor when the gas nail gun reaches the tail end of the first frame, rotating the gas nail gun along, the pneumatic nail gun nails the frame at equal intervals on one side and moves longitudinally through the Y-direction moving mechanism on the other side, thus finishing nailing of the four frames, after the pneumatic nail gun finishes nailing, the R-axis motor is started, the pneumatic nail gun rotates anticlockwise 270 degrees along with the rotating shaft, the pneumatic nail gun returns to a zero position, the Z-direction motor is started at the same time, the first Z-direction sliding block moves upwards, the pneumatic nail gun returns to an initial position along with the rotating shaft, the first stop block retracts into the first swing arm through hole, the photo frame flows out from the discharge end of the machine table, the second swing arm retracts to the initial position, and the second stop block retracts into the second swing arm through hole to. The invention realizes the automatic photo frame making, greatly improves the working efficiency and meets the requirement of mass production.

Claims

1. A frame nailing machine is characterized in that: the photo frame positioning device comprises a machine table, wherein the machine table is provided with a flow working surface, one side of the flow working surface is provided with a clamping swing arm for positioning a photo frame, the other side of the flow working surface is provided with a linkage device, the linkage device is connected with a pneumatic nail gun, and a gun nozzle of the pneumatic nail gun is provided with a pressing device.

2. The frame nailing machine of claim 1, wherein: the running water working face comprises two running water roller shafts parallel to an X axis, a running water driven wheel is arranged on one side of at least one roller shaft, the running water driven wheel is connected with a running water driving wheel through a running water belt, the running water driving wheel is fixedly connected to an output shaft of a running water motor, and the running water belt is sleeved on the outer sides of the two running water roller shafts.

3. The frame nailing machine of claim 1, wherein: the clamping swing arm comprises a first swing arm and a second swing arm perpendicular to the Y direction of the machine table, the first swing arm is fixedly connected to the discharge end of the machine table, the first swing arm comprises a first air cylinder, the telescopic end of the first air cylinder is fixedly connected with a first stop dog, the second swing arm is connected to the feed end of the machine table in a sliding mode through the Y direction reciprocating movement device, the second swing arm comprises a second air cylinder, the telescopic end of the second air cylinder is fixedly connected with a second stop dog, and the second stop dog is matched with the first stop dog to clamp the photo frame.

4. The frame nailing machine of claim 1, wherein: linkage includes Y to moving mechanism, and Y includes along the support of Y direction reciprocating sliding on the board to moving mechanism, the leg joint has X to moving mechanism, and X includes the crossbeam with the perpendicular rigid coupling of support to moving mechanism, and crossbeam sliding connection has Z to moving mechanism, and Z includes along X direction reciprocating movement's mount pad on the crossbeam to moving mechanism, and the mount pad is provided with at Z to reciprocating movement's first Z to the slider, and pivoted R axle mechanism is installed to first Z to the slider, R axle mechanism include with the pivot of first Z to the slider pin joint, air nail rifle is installed to the lower extreme of pivot, and first Z installs the rotatory R axle motor of drive pivot to the slider.

5. The frame nailing machine of claim 4, wherein: the pressing device comprises a pneumatic nail gun fixedly connected to the lower end of the Z-direction moving mechanism, a pressing plate is connected to the gun nozzle end of the pneumatic nail gun in a sliding mode, the pressing plate moves up and down along the Z axis through a guide device, an elastic piece is arranged between the pressing plate and the pneumatic nail gun and provides downward force for the pressing plate, a limiting device is arranged on the pneumatic nail gun and used for limiting the limiting position of the pressing plate moving up and down, and the lower end of the pressing plate is not higher than the gun nozzle of the pneumatic nail gun in the initial state and the limiting state.