Nail loading device of nail gun

Abstract

A nail loading device of a nail gun, relating to the technical field of electric tools, and mainly solving the problems of how to prolong the service life of a nail loading structure and improve the stability of nail loading. The nail loading device of a nail gun comprises a nailing main body (1) and a nail magazine (2). The nailing main body (1) comprises a nail outlet nozzle (1d) and a driver blade (1b2) reciprocating in the nail outlet nozzle (1d). The nail magazine (2) is connected to the nail outlet nozzle (1d) by means of a nail loading channel (6). A coil nail (2a) in the nail magazine (2) enters the nail outlet nozzle (1d) through the nail loading channel (6). An auxiliary driving source (7) is provided on one side of the nail loading channel (6). The auxiliary driving source (7) is provided with a nail loading wheel (8). The nail loading wheel (8) can always be engaged with the coil nail (2a) in the nail loading channel (6). When the driver blade (1b2) drives out the top coil nail (2a), the auxiliary driving source (7) drives the nail loading wheel (8) to rotate, and the coil nail (2a) in the nail loading channel (6) is pushed to move upward by the nail loading wheel (8). A nail pushing clip moving up and down is replaced with the nail loading wheel driven by a driving motor, thereby simplifying the nail loading structure, and improving the stability of nail loading.

Description

Nail feeding device of a nail gun TECHNICAL FIELD

[0001] The utility model relates to electric tool technical field, especially a nail gun, particularly to a nail feeding device of a nail gun. BACKGROUND

[0002] The following discussion of the background of the utility model is intended to facilitate an understanding of the utility model. However, it is to be understood that the discussion is not to be taken as an admission that any aspect of the discussion was known or part of the common general knowledge as at the priority date of the application.

[0003] In the furniture, interior decoration and construction industry, nail guns are widely used in the occasion of rigidly connecting two different parts due to the advantages of simple and fast operation, and common nail guns include pneumatic nail guns and electric nail guns, wherein, electric nail guns are widely used because they do not need to be connected to a cylinder for convenience, and common electric nail guns include a motor, a striker and a nail outlet, the movement of the striker is powered by the motor driving the piston to compress air, so that the striker can quickly impact the nails in the nail outlet after being unlocked to drive the nails out.

[0004] In daily life, there are many types of nails, which can be divided into a row of nails connected by adhesion and a coil of nails connected by connecting pieces according to the connection form of the nails, since the row of nails are relatively close, they can be fed by a nail feeder, but since there is a gap between the nails in the coil of nails, they cannot be fed only by the upward pushing of the nail feeder.

[0005] Among them, the prior art provides a power fastener driver, which records that the motor drives the elevator to rotate, and then drives the striker engaged with the elevator to move to the cylinder cover at one end of the cylinder, the piston at one end of the striker compresses the air in the cylinder cover, and when the user presses the trigger below the cylinder, the striker is released, the striker moves quickly, and the nails in the nail outlet at the other end of the cylinder are driven out, the elevator drives the cam at one side of the elevator to rotate through the gear, so that the nail feeding mechanism swings up and down to complete the feeding of the nails, wherein, since the nail feeding mechanism is composed of rollers, torsional springs, feed arms and the like, the structure is relatively complex, and after long-term use, the torsional springs may be aged and the like, which may affect the normal feeding of the nails, and the numerous parts may affect the assembly precision. TECHNICAL PROBLEM

[0006] The utility model aims at the above problems existing in the prior art, and provides a nail feeding device of a nail gun, and the technical problem to be solved by the utility model is how to improve the service life of the nail feeding structure and the stability of the nail feeding. TECHNICAL SOLUTION

[0007] The utility model discloses a nail feeding device of a nailing gun, which comprises a nailing main body and a nail magazine, wherein the nailing main body comprises a nail outlet and a striker reciprocally moving in the nail outlet, the nail magazine is connected with the nail outlet through a nail feeding channel, the coil nail in the nail magazine enters the nail outlet through the nail feeding channel, and the nail feeding device is characterized in that a secondary driving source is arranged on one side of the nail feeding channel, the secondary driving source is provided with a nail feeding wheel, the nail feeding wheel can always engage with the coil nail in the nail feeding channel, the secondary driving source drives the nail feeding wheel to rotate after the striker drives the coil nail at the top to be ejected, and the coil nail in the nail feeding channel is pushed to move upward through the nail feeding wheel.

[0008] The basic principle of the present application is the same as that of the existing electric nailing gun, that is, the main motor in the nailing main body drives the lifting mechanism to rotate, and then drives the striker matched with the lifting mechanism to move away from the nail outlet to accumulate kinetic energy, and after the release, the striker is ejected, on the basis of which, the present application adopts the mode that the nail feeding wheel engages with the nail, the secondary driving source drives the nail feeding wheel to rotate, and then pushes the nail to move upward to complete the nail feeding, since the secondary driving source is adopted to drive the nail feeding wheel to rotate to complete the nail feeding, the nail feeding mechanism is simplified, the normal nail feeding caused by the matching error and the aging of the torsional spring is reduced, the service life of the nail feeding mechanism is prolonged, the accuracy and stability of the nail feeding are improved through the mode that the nail feeding wheel engages with the coil nail to push the coil nail to move upward, and the coil nail engages with the next nail at the same time of pushing the coil nail to move upward.

[0009] In the nail feeding device of the nailing gun, the nail feeding channel comprises a main guard plate and a hinged plate located on the other side, and the secondary driving source is located on one side of the main guard plate. The coil nail is fixed when placed in the nail outlet through the clamping mode

[0010] In the nail feeding device of the nailing gun, one end of the main guard plate is fixedly connected with the nail magazine, and the other end is integrally formed with the nail outlet, and the secondary driving source is fixed to one end of the main guard plate close to the nail outlet. By integrally forming the main guard plate with the nail outlet, the structural strength in the nailing process is improved, and the impact force generated in the nailing process on the nail feeding wheel is reduced, and the secondary driving source is arranged at one end of the main guard plate close to the nail outlet, so that the length of the nail feeding channel can be further shortened, and the integration is improved.

[0011] In the nail feeding device of the nailing gun, a plurality of push grooves matched with the coil nail are arranged on the nail feeding wheel, and the push grooves are uniformly arranged on the circumference of the nail feeding wheel. By uniformly arranging the push grooves on the circumference of the nail feeding wheel, it is ensured that the nail can be accurately pushed to the nail outlet.

[0012] In the nail feeding device of the nailing gun, a nail feeding groove is arranged on the side of the nail feeding channel opposite to the secondary driving source, and one side of the nail feeding wheel passes through the nail feeding groove to engage with the coil nail.

[0013] In the nail feeding device of the nailer, the nailer body further comprises a controller and a sensor for detecting the position of the striker, the secondary driving source is a driving motor, the driving motor is electrically connected with the controller, and when the sensor interacts with the striker, the controller controls the driving motor to rotate and drives the nail feeding wheel to push the coil nail to move upwards. The controller controls the secondary driving source driven by the driving motor, so that the piston can be driven to move in a suitable state, the accuracy and stability of the nail feeding are improved.

[0014] In the nail feeding device of the nailer, the nailer body further comprises a working cylinder for reciprocating movement of the striker, the driving source is a gas motor, the gas motor is in communication with the working cylinder, when the striker is reset, the gas in the working cylinder is compressed, the gas motor is driven to rotate, and then the nail feeding wheel on the gas motor is driven to rotate to complete the nail feeding. The driving motor is driven to rotate by compressed air, the control of the nail feeding is simplified, and the stability is improved. Advantages

[0015] Compared with the prior art, the nailer has the following advantages:

[0016] 1. The nail feeding wheel is driven to rotate by the secondary driving source, the next nail is engaged while the nail is pushed to move upwards, the preparation work for the next nail feeding is completed, the nail feeding efficiency is improved, the coil nail clamp is arranged between the hinged plate and the main guard plate, the shaking in the rotation process of the nail feeding wheel is avoided, and the stability of the nail feeding is improved.

[0017] 2. The driving motor is controlled to rotate by the controller and the position sensor, and then the nail feeding is completed, the mechanical structure is reduced, and the automatic control is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a perspective view of the utility model;

[0019] Fig. 2 is a right side view of the utility model;

[0020] Fig. 3 is a sectional view of A-A in Fig. 2;

[0021] Fig. 4 is an enlarged view of a part of Fig. 3 before the nail is fed;

[0022] Fig. 5 is an enlarged view of a part of Fig. 3 in the process of the nail feeding;

[0023] 1, nail driving body; 1a, cylinder cover; 1b, cylinder body; 1b1, piston; 1b2, striker; 1c, cylinder seat; 1c1, lifting mechanism; 1d, nail outlet; 2, nail magazine; 2a, coiled nail; 3, battery; 4, main driving source; 4a, transmission shaft; 4b, speed reduction mechanism; 5, controller; 5a, sensor; 5b, switch; 6, nail feeding channel; 6a, main guard plate; 6a1, nail feeding groove; 6b, hinged plate; 7, auxiliary driving source; 7a, driving motor; 7b, air motor; 8, nail feeding wheel; 8a, pushing groove. Embodiment of the present application

[0024] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments. Embodiment one

[0025] As shown in FIG. 1 and FIG. 2, the present application comprises a nail driving body 1, a nail magazine 2 and a battery 3 providing electric energy, the nail driving body 1 is sequentially provided with a cylinder cover 1a, a cylinder body 1b, a cylinder seat 1c and a nail outlet 1d along the length direction of the nail gun, the cylinder body 1b is provided with a piston 1b1 and a striker 1b2 fixedly connected with the piston 1b1, the striker 1b2 sequentially penetrates through the cylinder seat 1c and the nail outlet 1d to drive the nail out, the cylinder seat 1c is provided with a lifting mechanism 1c1, the lifting mechanism 1c1 drives the piston 1b1 to reciprocate in the cylinder body 1b through the striker 1b2, the lifting mechanism 1c1 is located between the cylinder body 1b and the nail outlet 1d, the lifting mechanism 1c1 is connected with a main driving source 4 through a speed reduction mechanism 4b and a transmission shaft 4a below the lifting mechanism 1c1, the main driving source 4 is located between the battery 3 and a controller 5, the controller 5 is electrically connected with a sensor 5a and an auxiliary driving source 7 adopting a driving motor 7a, the auxiliary driving source 7 is located at a position close to the nail outlet 1d on one side of the lifting mechanism 1c1, a nail feeding channel 6 is connected between the nail magazine 2 and the nail outlet 1d, a nail feeding groove 6a1 is provided on a main guard plate 6a on one side of the nail feeding channel 6, one end of the auxiliary driving source 7 is provided with a nail feeding wheel 8, the nail feeding wheel 8 is located in the nail feeding groove 6a1 and cooperates with coiled nails 2a in the nail feeding channel 6, after the striker 1b2 drives the topmost nail out and resets through the lifting mechanism 1c1, the controller 5 controls the auxiliary driving source 7 to drive the nail feeding wheel 8 to push the coiled nails 2a to move upward. Wherein, a general switch 5b electrically connected with the controller 5 is provided between the transmission shaft 4a and the nail magazine 2, the lifting mechanism 1c1 is a tooth type structure meshing with a groove on the side of the striker 1b2, and the speed reduction mechanism 4b belongs to the public knowledge and is not described here in detail.

[0026] As shown in Fig. 3, as to the nail outlet 1d, the nail feeding channel 6 and the nail magazine 2 located at the front end of the nail driving body 1, the nail outlet 1d is connected with the nail magazine 2 through the nail feeding channel 6, the nail feeding channel 6 comprises a main guard plate 6a and a hinged plate 6b, the main guard plate 6a is integrally formed with the nail outlet 1d, a secondary driving source 7 is located at one side of the main guard plate 6a, the main guard plate 6a is provided with a nail feeding groove 6a1, the outer circumferential surface of a nail feeding wheel 8 passes through the nail feeding groove 6a1 and cooperates with the coil nail 2a, and the coil nail 2a is clamped between the main guard plate 6a and the hinged plate 6b.

[0027] As shown in Fig. 4 and Fig. 5, the nail feeding channel 6 comprises the main guard plate 6a and the hinged plate 6b, a part of the coil nail 2a is clamped between the main guard plate 6a and the hinged plate 6b, wherein the nail located at the end of the coil nail 2a is arranged in the nail outlet 1d, one side of the main guard plate 6a is provided with the nail feeding groove 6a1, one side of the nail feeding wheel 8 is located in the nail feeding groove 6a1, a plurality of push grooves 8a are uniformly arranged on the nail feeding wheel 8 in the circumferential direction, the coil nail 2a comprises a plurality of nails which are arranged at intervals and connected through connecting pieces, one side wall of the push groove 8a can be inserted into the gap between the nails and contact the nails in the coil nail 2a, the central axis of the nail feeding channel 6 is tangent to the outer contour of the nail feeding wheel 8, the nails on the coil nail 2a are arranged in the nail feeding channel 6 from top to bottom in turn, and the shaft center is arranged on the above-mentioned central axis in turn, when the nail is hit out by the tumbler 1b2, the secondary driving source 7 drives the nail feeding wheel 8 to rotate counterclockwise, so that one side wall of the push groove 8a contacts the bottom of the nail and pushes the nail to move upward. Wherein, the secondary driving source 7 can be any kind of angular displacement driving source, in this embodiment, the secondary driving source 7 adopts a driving motor 7a and is electrically connected with the controller 5.

[0028] In summary, the present application is a kind of nail gun, main drive source 4 is rotated by transmission shaft 4a and reduction mechanism 4b drives lifting mechanism 1c1, in turn, piston 1b1 connected with striker 1b2 is moved to the direction of cylinder cover 1a, the air in cylinder body 1b is compressed, and kinetic energy is provided for striker 1b2 to hit nail and drive nail out, the operator presses switch 5b, and lifting mechanism 1c1 stops rotating, striker 1b2 is impacted by the pressure difference between inside and outside, and nail is driven out, after the nail is driven out, controller 5 controls the rotation of main drive source 4, lifting mechanism 1c1 drives piston 1b1 to move to the direction of cylinder cover 1a through striker 1b2, and a certain nail driving process is completed, wherein, when piston 1b1 moves to a certain position, sensor 5a sends an electric signal to controller 5, controller 5 outputs corresponding current to control driving motor 7a to drive nail slot 6a1 to rotate by a certain angle, and at the same time, one side wall of push groove 8a is in contact with nail, and the nail is pushed upward, because there is a certain space between the nails, when the secondary drive source 7 drives the nail wheel 8 to rotate, the side wall of the push groove 8a arranged circumferentially on the nail wheel 8 is inserted into the gap between the nails, and at the same time, it is prepared for the next time, and the technical scheme of replacing the previous nail pushing down and then driving the nail upward by driving motor 7a and nail wheel 8 rotation improves the efficiency of nail feeding, and because there are only two parts, it can further reduce the influence of cooperation error and part aging on the smoothness and accuracy of nail feeding, and by clamping part of the nail roll 2a in the nail feeding channel 6 formed by the cooperation of the main guard plate 6a and the hinge plate 6b, the push groove 8a of the nail wheel 8 is prevented from deviating during the process of pushing the nail to move, and the accuracy of nail feeding is further improved.

[0029] Accordingly, on the basis of the original nail pushing down and up to complete the nail feeding, the driving motor 7a drives the nail wheel 8 to rotate, and then the side wall of the push groove 8a is inserted into the space between the nails, and then the nail is pushed upward, which improves the accuracy of nail feeding and the stability of the structure. Example two

[0030] The scheme of the present embodiment is basically the same as that of example one, the difference is that the secondary drive source 7 of the present embodiment is air motor 7b, air motor 7b is connected with cylinder body 1b, when lifting mechanism 1c1 drives piston 1b1 to compress the internal air, air motor 7b drives piston 1b1 to move, and then drives nail wheel 8 to rotate, which simplifies the nail feeding structure and reduces the control difficulty.

[0031] The specific embodiments described herein are merely illustrative of the present application. Various modifications or changes can be made by those skilled in the art to the specific embodiments described herein without departing from the spirit of the present application. Any and all such modifications or changes are intended to be included within the scope of the present application as defined by the appended claims.

[0032] Although the terms such as 1, punch body; 1a, cylinder head; 1b, cylinder block; 1b1, piston; 1b2, striker; 1c, cylinder seat; 1c1, lifting mechanism; 1d, nail outlet; 2, nail magazine; 2a, coiled nail; 3, battery; 4, main drive source; 4a, transmission shaft; 4b, speed reduction mechanism; 5, controller; 5a, sensor; 5b, switch; 6, nail feeding channel; 6a, main guard plate; 6a1, nail feeding groove; 6b, hinged plate; 7, auxiliary drive source; 7a, drive motor; 7b, air motor; 8, nail feeding wheel; 8a, push groove, etc. are used more frequently herein, they are used for the convenience of describing and explaining the essence of the present application; it is against the spirit of the present application to interpret them as any kind of additional limitation.

Claims

1. A nail feeding device of a nail gun, comprising a nail gun body (1) and a nail magazine (2), the nail gun body (1) comprising a nail outlet (1d) and a striker (1b2) reciprocally moving in the nail outlet (1d), the nail magazine (2) being connected with the nail outlet (1d) through a nail feeding channel (6), a coil nail (2a) in the nail magazine (2) entering the nail outlet (1d) through the nail feeding channel (6), characterized in that, The upper needle channel (6) is provided with a secondary driving source (7) on one side, the secondary driving source (7) is provided with an upper needle wheel (8), the upper needle wheel (8) can always engage with the needle coil (2a) in the upper needle channel (6), when the striker (1b2) hits the needle coil (2a) on the top, the secondary driving source (7) drives the upper needle wheel (8) to rotate, and the needle coil (2a) in the upper needle channel (6) is pushed upward by the upper needle wheel (8).

2. The nail setting device of a nail gun according to claim 1, wherein The upper needle channel (6) includes a main guard plate (6a) and a hinged plate (6b) on the other side, and the secondary driving source (7) is located on one side of the main guard plate (6a).

3. The nail setting device of claim 2, wherein, One end of the main guard plate (6a) is fixedly connected with the needle magazine (2), and the other end is integrally formed with the needle outlet (1d), and the secondary driving source (7) is fixed on one end of the main guard plate (6a) close to the needle outlet (1d).

4. The nail setting device of claim 3, wherein, The upper needle wheel (8) is provided with a plurality of push grooves (8a) matched with the needle coil (2a), and the push grooves (8a) are uniformly arranged along the circumference of the upper needle wheel (8).

5. The nail setting device of claim 4, wherein, The side of the upper needle channel (6) opposite to the secondary driving source (7) is provided with an upper needle groove (6a1), and the side of the upper needle wheel (8) passes through the upper needle groove (6a1) and engages with the needle coil (2a).

6. A device for setting a nail in a nail gun according to any one of claims 1 to 5, characterized in that The punch main body (1) further comprises a controller (5) and a sensor (5a) for detecting the position of the striker (1b2), the secondary driving source (7) is a driving motor (7a), the driving motor (7a) is electrically connected with the controller (5), when the sensor (5a) interacts with the striker (1b2), the controller (5) controls the driving motor (7a) to rotate, and drives the needle coil (2a) to move upward through the upper needle wheel (8).

7. A device for setting a nail in a nail gun according to any one of claims 1 to 5, characterized in that The punch main body (1) further comprises a cylinder (1b) for reciprocating movement of the striker (1b2), and the driving source is a gas motor (7b), the gas motor (7b) is communicated with the cylinder (1b), when the striker (1b2) resets, the gas in the cylinder (1b) is compressed, and the gas motor (7b) is driven to rotate, thereby driving the upper needle wheel (8) on the gas motor (7b) to rotate and complete the upper needle.

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