WO2013023463A1 - Pneumatic gun for making steel mesh - Google Patents

Abstract

Disclosed is a pneumatic gun for making steel mesh comprising a clamping gun (1) and a nail notch (2), wherein the clamping gun (1) comprises a gun rack (6), a gun body (4), a gas cylinder (5) and a clamping assembly (3) mounted on the gun rack (6); a gas inlet chamber is provided in the gun body (4); the gas cylinder (5) is mounted within the gas inlet chamber; the rear end of the gun rack (6) and the gun body (4) are connected via the gas cylinder (5); the gun body (4) is provided with a switch assembly (7); and one side of the gun rack is provided with the nail notch (2), so that the assembly efficiency for metal clamping pieces is improved.

Description

 Description

 Pneumatic wire mesh gun

 Technical field

 The invention relates to the field of clamp technology, in particular to a pneumatic wire mesh gun.

 Background technique

 Wire clamps are mainly used to bind a plurality of wires or non-metal wires together. By placing metal clips on the jaws of the jaws and then pressing the metal clips, the wire (wire) material is tied. together. Such as steel mesh for hillside retaining walls, cages for marine aquaculture, chicken cages and animal cages for animal husbandry, pasture fences, products for military use, such as borderline fences, wire mesh for riot police, road guardrails , Separate belts and other fields. The market force is very huge.

 There are currently no related styling products on the market, and only self-contained manual or electro-hydraulic pliers are used in production activities. Moreover, the efficiency is low, the mobile operation is very inflexible, the outdoor operation is highly restrictive, and it is difficult to make the technical instructions uniform and the quality is uneven. The human mechanical transmission clamp is time-consuming and labor-intensive, and the operator is labor-intensive and inefficient; the above-mentioned clamp operation is performed by first placing a metal clip nail on the jaw, pressing one, and then placing the second Metal clip nails, repeat the above operation, this operation mode does not fundamentally solve the shortcomings such as large labor and long time; during the operation of manually assembling metal clip nails, workers may accidentally pinch their fingers from time to time. There is a certain danger.

 Summary of the invention

 The object of the present invention is to provide a pneumatic wire mesh gun with the advantages of automatic nail feeding, convenient operation, time saving and high safety, in order to facilitate the user's operation, reduce the labor of the user and shorten the labor time.

 The object of the invention is achieved in this way.

A pneumatic wire mesh gun, including a clamp gun and a nail gun; The clamp gun includes a gun frame, a gun body, a cylinder and a clamp assembly mounted on the gun frame; an air inlet chamber is arranged in the gun body, the cylinder is installed in the air inlet chamber, and the air inlet pipe joint of the air inlet chamber protrudes out of the gun body, The gun body is also equipped with a switch assembly that controls the opening or closing of the intake pipe joint;

 The front end of the gun frame is provided with a gun nozzle and a nail insertion port, and the rear end is a connecting block with a screw hole. The gun body has a guiding groove, and the rear end of the gun frame is connected with the gun body through a cylinder;

 Clamp assembly: including slider, left jaw, right jaw, left link and right link; the back of the slider is provided with a pin and a block, and the front end of the left and right jaws is a clamp mouth, An adjacent surface of the left jaw and the right jaw is provided with an ear plate, and an ear hole is formed on the ear plate, and the ear plates of the left jaw and the right jaw are overlapped with each other, and the two shaft holes are sleeved together into the pin shaft, the block Inserted into the guiding slot, the left and right jaws are clamped between the slider and the gun frame, the front end of the left link is pivotally connected with the rear end of the left jaw, and the front end of the right link is pivotally connected with the rear end of the right jaw, left The rear ends of the connecting rod and the right connecting rod are superposed;

 The nail H: comprises a nail strip, a nail feeder, a coil spring, a coil spring core, a coil spring seat and a connecting frame, wherein the nailing end of the guiding strip is a curved portion, and the curved portion is bent toward the gun frame and the nail opening Connecting, the nailing end of the guiding strip extends along the axial direction of the gun frame, the connecting is arranged between the guiding strip and the gun frame, and is respectively connected with the guiding strip and the gun frame, and the coil spring seat is mounted on the connecting frame, and Close to the nail opening, the coil spring is wound on the coil spring core, the coil spring core is installed in the coil spring seat, the rear end of the nail feeder is sleeved on the connecting frame, and the outer end of the coil spring extends out of the coil spring seat and the nail feeder The rear end is connected, and at the same time, the front end of the nail feeder abuts against the surface of the nail strip, and the coil spring always has a pulling force for causing the nail feeder to move toward the nail opening.

 The above technical solutions can also be further improved as follows.

The cylinder includes an adjusting nut, a piston spring, a piston, a sealing cymbal and a piston rod. The adjusting nut includes a convex portion, a through hole extending through the convex portion and the nut at the same time, and the convex portion and the adjusting nut are provided with external threads, and the convex portion is inserted. The screw hole of the connecting block is connected with the gun frame, and the piston is provided with a connecting hole, and the sealing sleeve is sleeved on the peripheral wall of the piston. The rear end of the piston rod passes through the connecting block and sequentially passes through the through hole, the piston spring, the piston and protrudes into the gun body. The piston is screwed to the rear end of the piston rod by a nut, and the adjusting nut is screwed with the gun body to set the cylinder in the gun body. The front end of the piston rod is blocked by the connecting block in the gun frame.

 The lower part of the gun body is a handle, the switch assembly is mounted on the bent portion of the gun body and the handlebar, and the intake pipe joint of the intake chamber extends from the bottom of the handlebar.

 The switch assembly includes a trigger, a switch ejector, a sealing cymbal mounted on the switch ram, a switch spring, a main valve body, a double seal cymbal mounted on the main valve body, a switch circlip and a trigger guard, and a switch ejector The main part of the trigger is inserted into the main valve body through the switch spring. The trigger is abutted against the front end of the switch top. The end of the plate guard is hinged to the gun body, and the other end is inserted into the handle to surround the trigger.

 The front end of the nail feeder is a bayonet, the bayonet is stuck on the guide strip, the rear end of the nail feeder is a card slot, and the two sides of the card slot are provided with nail holes, and the card slot is placed on the connecting frame, and the pin passes through The nail hole of the card slot is such that the card slot is sleeved on the connecting frame and slides along the connecting frame, and the handles are respectively provided on both sides of the nail sending device.

 The left side of the clamping jaw of the left jaw and the right jaw is provided with a positioning edge.

 A limiting hole is defined in the guiding groove of the gun frame, and a limiting pin is screwed in the limiting hole, and the limiting pin defines a sliding position at the rear end of the slider.

 A mounting hole is formed in a central position of the nail insertion opening of the gun frame, and a screw is connected to the bent portion of the nail strip through the mounting hole.

 The structure design of the invention is reasonable, the nail feeding degree is high, the operation is convenient, the time saving and the safety are high.

 DRAWINGS

 Figure 1 is an exploded view of the installation of a pneumatic wire mesh gun.

Figure 2 is a front view of a pneumatic wire mesh gun. Figure 3 is a perspective view of a pneumatic wire mesh gun.

 Figure 4 is a perspective view of the gun frame.

 Figure 5 is a front view of the slider.

 Figure 6 is a left side view of the slider.

 Figure 7 is a perspective view of the nail feeder.

 detailed description

 The invention will be further described in detail below with reference to the accompanying drawings.

 As shown in Figures 1 to 7, a pneumatic wire mesh gun includes a clamp gun 1 and a pinch 2 .

 Referring to Fig. 1, the clamp gun 1 is mainly composed of a gun holder 6, a gun body 4, a cylinder 5, and a clamp assembly 3 mounted on the gun holder 6.

 The gun body 4 is provided with an air inlet chamber, the cylinder 5 is installed in the air inlet chamber, the air inlet pipe joint 400 of the air inlet chamber extends out of the gun body 4, and the gun body 4 is also equipped with a switch for controlling the opening and closing of the air inlet pipe joint 400. Component 7.

 The front end of the gun holder 6 is provided with a nozzle 600 and a nail opening 601. The rear end of the gun holder 6 is a connecting block 603 having a screw hole. The gun body 6 has a guiding groove 602 in the axial direction. A limiting hole 604 is defined in the guiding groove 602 (see FIG. 4). The limiting hole 604 is screwed into the limiting pin. The limiting pin defines the sliding position of the slider 300, and the limiting pin stops the sliding of the slider 300 backward.

The clamp assembly 3 includes a slider 300, a left jaw 301, a right jaw 302, a left link 303, and a right link 304. The back surface of the slider 300 is provided with a pin 305 and a block 306 (see FIG. 5, FIG. 6), the front end of the left jaw 301 and the right jaw 302 is a clamp mouth 307, and the outer side of the clamp nozzle 307 is provided with a positioning edge 310 (see FIG. 3), and the positioning edge 310 prevents the metal clip nail from moving out of the clamp mouth. 307. The adjacent faces of the left jaw 301 and the right jaw 302 are respectively provided with an ear plate 308. The ear plate 308 is provided with a shaft hole 309, and the left jaw 301 and the ear plate 308 of the right jaw 302 are overlapped with each other. 309 - and fit into the pin 305 and fastened, the block 306 is inserted into the guide The slot 602 is slidable along the guide slot 602, the left jaw 301 and the right jaw 302 are clamped between the slider 300 and the gun frame 6, and the front end of the left link 303 is pivotally connected to the rear end of the left jaw 301, right. The front end of the connecting rod 304 and the rear end of the right clamping jaw 302 are pivotally connected, and the rear ends of the left connecting rod 303 and the right connecting rod 304 are arranged at a high and low position, so that the rear ends of the left connecting rod 303 and the right connecting rod 304 are superposed. .

 The magazine 2 includes a nail strip 200, a nail feeder 201, a coil spring 202, a coil spring core 203, a coil spring seat 204, and a connecting frame 205. The nailing end of the guiding strip 200 is a bent portion 206, and a bent portion 206 is bent toward the gun frame 6 and mates with the nail opening 601. The center of the nail opening 601 is provided with a mounting hole 605 (see Fig. 4), and a screw is connected to the bent portion 206 through the mounting hole 605 to closely match the nail strip 200 with the nail opening 601. The nail insertion end of the guide bar 200 extends along the axial direction of the gun frame 6. The connecting frame 205 is disposed between the nail strip 200 and the gun frame 6. The rear end of the connecting frame 205 is bent and connected to the nail terminal 200. The front end of the connecting frame 205 is connected to the gun frame 6, and the connecting frame 205 is also connected to the tail end of the gun body 4 by a bracket 210 fixed to itself. As shown in FIG. 7, the front end of the nail feeder 201 is a bayonet 207, the bayonet 207 is stuck to the guide strip 200, and the rear end is a card slot 208. The two sides of the card slot 208 are provided with nail holes, and the card slot 208 It is placed on the connecting frame 205, and the pin passes through the nail hole of the card slot 208, so that the card slot 208 is sleeved on the connecting frame 205 and slides along the connecting frame 205. The handles 201 are provided with handles 209 on both sides thereof, and the handle 209 is convenient for the user to move the nail feeder 201 to the position of the nail insertion port of the guide bar. The coil spring seat 204 is mounted on the connecting frame 205 and adjacent to the nail opening 601. The coil spring 202 is wound on the coil spring core 203. The coil spring core 203 is mounted in the coil spring seat 204, and the outer end of the coil spring 202 extends out of the coil. The spring seat 204 is coupled to the rear end of the nail feeder 201 to press the bayonet 207 against the surface of the nail strip 200 while the nail feeder 201 is formed to pull back toward the nail opening 601.

As shown in FIG. 1, the cylinder 5 includes an adjustment nut 500, a piston spring 501, a piston 502, a sealing jaw 503, and a piston rod 504. The adjusting nut 500 includes a convex portion 506, a through hole 506 and a through hole 507 of the adjusting nut 500. The convex portion and the adjusting nut are both provided with external threads 505, and the convex portion 506 is inserted into the connecting block 603. The screw hole is connected internally, the piston 502 is provided with a connecting hole, and the sealing jaw 503 is sleeved on the peripheral wall of the piston 502. The rear end of the piston rod 504 passes through the screw hole of the side connecting block 603, and sequentially passes through the through hole 507 and the piston. The spring 501 and the piston 502 are protruded from the gun body, and then the adjusting nut 500 is screwed to the gun body 4, and the cylinder 5 is hidden in the gun body 4. The front end of the piston rod 504 is blocked by the connecting block 603 and is disposed in the gun frame 6. The front end of the piston rod 504 is pivotally connected to the rear end of the left link 303 and the right link 304. The cylinder 5 of this structure makes the movement of the piston rod 504 more flexible, so that the thrust and the pulling force can be kept accurate.

 The lower portion of the gun body 4 is a handle 401, and the switch assembly 7 is mounted on the bent portion of the gun body 4 and the handle 401, and the intake pipe joint 400 of the intake chamber extends from the bottom of the handle 401. The switch assembly 7 is disposed at the bent portion, and the grip strength is more reasonable, which makes the operation more convenient.

 The switch assembly Ί includes a trigger 700, a switch ejector 701, a sealing cymbal 702 mounted on the switch ejector 701, a switch spring 703, a main valve body 704, a double seal 套 705 mounted on the main valve body 704, and a switch card The spring and the trigger guard 706, the rear end of the switch jack 701 is inserted into the main valve body 704 through the switch spring 703, and the upper portion of the trigger 700 is hinged on the gun body 4 and abuts against the front end of the switch jack 701, the board guard One end of the 706 is hinged to the gun body 4, and the other end is inserted into the handle 401 to surround the entire trigger 700. The switch assembly 7 of this structure can accurately control the intake air, and the intake air amount smoothly pushes the piston rod 504 to slide, so that the thrust is kept accurate.

Operation mode: a row of metal clips are stuck on the guide strip 200, and the nail feeder 201 is pressed against the rear end of the metal clip nail, and the pulling force of the coil spring 202 causes the front end of the metal clip nail to lean against The nail hole 601, the first metal clip nail is fed into the jaw, and the trigger 700 is pulled. The air inlet pipe joint 400 is connected with an air compressor (not shown) to inflate the cylinder 5, and the piston rod 504 is pressurized. Before sliding, the piston rod 504 simultaneously pushes the rear ends of the left link 303 and the right link 304, and the force is transmitted to the left jaw 301 and the right jaw 302, and the slider 300 is driven to slide forward along the guiding groove 602. The top of the guide groove 602 is at the front end of the guide groove 602, the slider 300 stops sliding, and the rear ends of the left jaw 301 and the right jaw 302 are always pushed by the pin 305 as a fulcrum. The jaw jaws 307 of the left jaw 301 and the right jaw 302 are closed, and the metal clip nail placed in the jaw mouth 307 is crimped. When the trigger 700 is released, the piston spring 501 in the cylinder 5 disengages the piston rod 504, and pulls back the rear end of the left link 303 and the right link 304, and the pulling force is transmitted to the left jaw 301 and the right jaw 302 and is driven. The slider 300 slides backward along the guiding slot 602. When the rear end of the slider 300 is placed on the limiting pin in the guiding slot 602, the slider 300 stops sliding, and the rear ends of the left and right jaws 301 and 302 are pulled. The pin 305 is folded as a fulcrum, and the jaws 307 of the left jaw 301 and the right jaw 302 are opened, and the original position is returned, and the next metal clip is fed into the jaw 307 for the next operation.

Claims

Claim  A pneumatic wire mesh gun, comprising: a clamp gun and a nail cartridge; the clamp gun includes a gun frame, a gun body, a cylinder and a clamp assembly mounted on the gun frame; and an air inlet chamber is provided in the gun body The cylinder is installed in the air inlet chamber, and the air inlet pipe joint of the air inlet chamber extends outside the gun body, and the gun body is further provided with a switch assembly for controlling opening or closing of the air inlet pipe joint;  The front end of the gun frame is provided with a gun nozzle and a nail insertion port, and the rear end is a connecting block with a screw hole. The gun body has a guiding groove therein, and the rear end of the gun frame and the gun body are connected by a cylinder;  Clamp assembly: including slider, left jaw, right jaw, left link and right link; the back of the slider is provided with a pin and a block, and the front end of the left and right jaws is a clamp mouth, An adjacent surface of the left jaw and the right jaw is provided with an ear plate, and an ear hole is formed on the ear plate, and the ear plates of the left jaw and the right jaw are overlapped with each other, and the two shaft holes are sleeved together into the pin shaft, the block Inserted into the guiding slot, the left and right jaws are clamped between the slider and the gun frame, the front end of the left link is pivotally connected with the rear end of the left jaw, and the front end of the right link is pivotally connected with the rear end of the right jaw, left The rear ends of the connecting rod and the right connecting rod are superposed;  The nail H: comprises a nail strip, a nail feeder, a coil spring, a coil spring core, a coil spring seat and a connecting frame, wherein the nailing end of the guiding strip is a curved portion, and the curved portion is bent toward the gun frame and the nail opening Connecting, the nailing end of the guiding strip extends along the axial direction of the gun frame, the connecting is arranged between the guiding strip and the gun frame, and is respectively connected with the guiding strip and the gun frame, and the coil spring seat is mounted on the connecting frame, and Close to the nail opening, the coil spring is wound on the coil spring core, the coil spring core is installed in the coil spring seat, the rear end of the nail feeder is sleeved on the connecting frame, and the outer end of the coil spring extends out of the coil spring seat and the nail feeder The rear end is connected, and at the same time, the front end of the nail feeder abuts against the surface of the nail strip, and the coil spring always has a pulling force for causing the nail feeder to move toward the nail opening. 2. The pneumatic wire mesh gun according to claim 1, wherein: said cylinder package The adjusting nut, the piston spring, the piston, the sealing jaw and the piston rod, the adjusting nut comprises a convex portion, a through hole extending through the convex portion and the nut at the same time, the convex portion and the adjusting nut are provided with external threads, and the convex portion is inserted into the connecting block The screw hole is connected with the gun frame, the piston is provided with a connecting hole, the sealing sleeve is sleeved on the peripheral wall of the piston, the rear end of the piston rod passes through the connecting block and sequentially passes through the through hole, the piston spring, the piston and protrudes into the gun body, the piston is made of a nut The screw is fixed to the rear end of the piston rod, and the adjusting nut is screwed to the gun body so that the cylinder is disposed in the gun body, and the front end of the piston rod is blocked by the connecting block in the gun frame.  3. The pneumatic wire mesh gun according to claim 1, wherein: the lower part of the gun body is a handle, the switch assembly is mounted on a bent portion of the gun body and the handle, and the intake pipe joint of the intake chamber is from the hand. Extend the bottom.  4. The pneumatic wire mesh gun according to claim 1 or 3, wherein: the switch assembly comprises a trigger, a switch ejector, a sealing cymbal mounted on the switch ram, a switch spring, a main valve body, and a main assembly. The double seal 圏 on the valve body, the switch circlip and the trigger guard, the switch ejector is inserted into the main valve body through the switch circlip, the upper part of the trigger is hinged on the gun body, and the trigger abuts against the front end of the switch ejector, the plate guard One end is hinged to the gun body, and the other end is inserted into the handlebar to surround the entire trigger.  5. The pneumatic wire mesh gun according to claim 1, wherein: the front end of the nail feeder is a bayonet, the bayonet is stuck on the guide strip, and the rear end of the nail feeder is a card slot, and both sides of the card slot are opened. There is a nail hole, the card slot is placed on the connecting frame, and the pin passes through the nail hole of the card slot, so that the card slot is sleeved on the connecting frame and slides along the connecting frame, and the handles are respectively provided on both sides of the nailing device. 6. The pneumatic wire mesh gun according to claim 1, wherein a positioning edge is arranged outside the clamping jaw of the left jaw and the right jaw. 7. The pneumatic wire mesh gun according to claim 1, wherein: the guide groove of the gun frame is provided with a limiting hole, and the limiting hole is screwed with a limit pin, and the limiting pin defines a sliding position of the rear end of the slider.  8. The pneumatic wire mesh gun according to claim 1, wherein: the center of the nail insertion opening of the gun frame is provided with a mounting hole, and a screw is connected to the bent portion of the guide bar through the mounting hole.