CN111085967A

CN111085967A - Electric C-shaped nail gun

Info

Publication number: CN111085967A
Application number: CN202010052237.XA
Authority: CN
Inventors: 陶成斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-05-01

Abstract

The invention relates to an electric C-shaped nail gun, which comprises a gun shell, wherein a clamping mechanism and a driving mechanism are arranged in the gun shell, one side of the gun shell is provided with an inlet end for embedding a C-shaped nail, one end of the driving mechanism is contacted with the C-shaped nail and pushes the C-shaped nail to move towards the outlet end of the clamping mechanism, the outlet end of the clamping mechanism is gradually expanded along with the pushing of the driving mechanism, and the outlet end of the clamping mechanism is gradually gathered along with the contraction of the driving mechanism; the driving mechanism comprises a screw rod, a motor, a first helical gear, a second helical gear and a push block, the motor rotates to drive the first helical gear and the second helical gear which are meshed with each other to rotate so as to realize transmission of the screw rod in the horizontal direction, one end of the screw rod is fixedly connected with one end of the push block, rollers which are distributed up and down are arranged on two sides of the end of the screw rod, and the other end of the push block pushes the C-shaped nail to move towards the outlet end of the clamping mechanism along with the transmission of the screw rod. The invention has the following advantages: the drive is more steady, avoids the card of C type nail and skew, prevents that the interlock warp.

Description

Electric C-shaped nail gun

The technical field is as follows:

the invention belongs to the field of electric tools, and particularly relates to an electric C-shaped nail gun.

Background art:

the C-shaped nail gun has the outstanding advantages of high nail clamping speed, firm nail clamping, convenience in use and the like, and is widely applied to the industries of bed net production, automobile cushion production, breeding cage production, fence production and the like. The existing C-shaped nail gun is a pneumatic nail gun, and is an automatic nail clamping device, and a cylinder of high-pressure air is used for driving a C-shaped nail to clamp the C-shaped nail on an object through a gun nozzle, but the pneumatic nail gun has the following defects: the cylinder has pause feeling in the horizontal reciprocating driving process and poor operation stability, so that the C-shaped nail is easy to deviate due to the change of the driving force in the process of pushing the C-shaped nail, the C-shaped nail is clamped at the outlet end of the nail gun when the deviation is large, a clamping ring formed by the C-shaped nail after the outlet end of the nail gun clamps is deformed when the deviation is small, the C-shaped nail can be ejected out of the outlet end of the nail gun due to the unstable operation of the driving force, and certain danger is brought to a user.

The invention content is as follows:

the invention aims to overcome the defects and provide an electric C-shaped nail gun, which is more stable in driving, avoids clamping and deviation of a C-shaped nail and prevents occlusion deformation.

The purpose of the invention is realized by the following technical scheme: an electric C-shaped nail gun comprises a gun shell, wherein a clamping mechanism and a driving mechanism are arranged in the gun shell, one side of the gun shell is provided with an inlet end for embedding a C-shaped nail, one end of the driving mechanism is in contact with the C-shaped nail and pushes the C-shaped nail to move towards an outlet end of the clamping mechanism, the outlet end of the clamping mechanism is gradually expanded along with the pushing of the driving mechanism, and the outlet end of the clamping mechanism is gradually gathered along with the contraction of the driving mechanism;

the driving mechanism comprises a screw rod, a motor, a first helical gear, a second helical gear and a push block, the motor rotates to drive the first helical gear and the second helical gear which are meshed with each other to rotate so as to realize transmission of the screw rod in the horizontal direction, one end of the screw rod is fixedly connected with one end of the push block, rollers which are distributed up and down are arranged on two sides of the end of the screw rod, and the other end of the push block pushes the C-shaped nail to move towards the outlet end of the clamping mechanism along with the transmission of the screw rod.

The invention is further improved in that: first helical gear and motor shaft fixed connection of motor, the second helical gear cover is established on the lead screw and second helical gear and lead screw threaded connection, the lead screw is close to the one end of ejector pad and has the extension portion, the terminal surface that the extension portion is close to the ejector pad has the recess that holds the side embedding of ejector pad, all be equipped with two gyro wheels that distribute from top to bottom on the both sides terminal surface of extension portion, the gyro wheel of both sides terminal surface corresponds the setting in proper order and corresponds between the gyro wheel that sets up and connect through the axostylus axostyle that vertically runs through extension portion and ejector pad, the gyro wheel rolls in the inboard of clamping mechanism along with the.

The invention is further improved in that: the clamp mechanism comprises an upper clamp body and a lower clamp body which are arranged up and down, the upper clamp body and the lower clamp body are movably connected with the gun shell through a rotating shaft which longitudinally penetrates through the gun shell, two ends of the upper clamp body and two ends of the lower clamp body respectively swing up and down around the corresponding rotating shaft, and an occlusion ring is formed after outlet ends of the upper clamp body and the lower clamp body are gathered.

The invention is further improved in that: the gun shell is provided with a C-shaped nail feeding mechanism at the position close to the inlet end.

The invention is further improved in that: the C-shaped nail feeding mechanism comprises an L-shaped feeding rod, a coil spring shell fixedly connected with the outer end face of the gun shell and a coil spring arranged in the coil spring shell, wherein a plurality of C-shaped nails are sequentially sleeved on the L-shaped feeding rod, one end of the coil spring is connected with a limiting part, and the limiting part is used for limiting and fixing the C-shaped nails arranged at the tail.

The invention is further improved in that: the locating part includes the connecting portion fixed with the one end of coil spring, and connecting portion have first locating part towards L type pan feeding pole is integrative to extend, and connecting portion have the second locating part towards arranging C type nail an organic whole extension at end in, and first locating part and second locating part all set up with the side end face clamp of L type pan feeding pole.

The invention is further improved in that: the side end face of the first limiting piece is provided with an inwards-concave C-shaped groove, the L-shaped feeding rod is arranged in a manner of being attached to one end of the inner side of the C-shaped groove, and a gap is formed between the L-shaped feeding rod and the other end of the inner side of the C-shaped groove.

The invention is further improved in that: the second locating part includes the clamp portion of clamp at L type pan feeding pole side, and the upper and lower end of clamp portion extends in proper order towards the upper and lower end of connecting portion has the supporting part.

The invention is further improved in that: two sides of the rotating shaft are connected with a stopper rod.

The invention is further improved in that: the gun shell is provided with a clamping plate which limits the upper end and the lower end of the C-shaped nail at the position close to the inlet end.

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

1. the invention changes the traditional pneumatic driving structure form into the structure form that the gear rotates to drive the screw rod to transmit in the horizontal direction, so that the operation is more stable, no pause and contusion are generated at the starting end and the tail end of the pushing stroke, the clamping and the deviation of the C-shaped nail are avoided, and the occlusion deformation is prevented.

2. The C-shaped nail feeding mechanism is arranged, the C-shaped nails are clamped on the L-shaped feeding rod through the limiting pieces, and the function of automatic feeding is achieved.

Description of the drawings:

fig. 1 is a schematic structural view of an electric C-type nail gun according to the present invention.

Fig. 2 is a schematic view of the connection between the screw rod and the push block of the electric C-type nail gun according to the present invention.

Fig. 3 is a top view of an electric C-nail gun of the present invention.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a sectional view taken along line B-B of fig. 3.

Reference numbers in the figures:

1-gun shell, 2-clamp mechanism, 3-driving mechanism, 4-inlet end, 5-C type nail feeding mechanism, 6-stopper rod and 7-clamping plate;

21-an upper clamp body, 22-a lower clamp body, 23-a rotating shaft and 24-an occlusion ring;

31-a screw rod, 32-a motor, 33-a first bevel gear, 34-a second bevel gear, 35-a pushing block, 36-a roller, 37-an expansion part and 38-a shaft rod;

51-L-shaped feeding rods, 52-C-shaped nails, 53-coil spring shells, 54-coil springs and 55-limiting pieces;

551-connecting part, 552-first limiting part, 553-second limiting part, 554-C type groove, 555-gap, 556-hoop part and 557-supporting part.

The specific implementation mode is as follows:

for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship, such as one based on the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the structure or unit indicated must have a specific orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise specified and limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, so that those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.

Fig. 1 shows an embodiment of an electric C-type nail gun of the present invention, which includes a gun housing 1, a clamping mechanism 2 and a driving mechanism 3 are provided in the gun housing 1, one side of the gun housing 1 has an inlet end 4 for embedding a C-type nail 52, one end of the driving mechanism 3 contacts with the C-type nail 52 and pushes the C-type nail 52 to move towards the outlet end of the clamping mechanism 2, and the outlet end of the clamping mechanism 2 is gradually expanded along with the pushing of the driving mechanism 3, and the outlet end of the clamping mechanism 2 is gradually gathered along with the contraction of the driving mechanism 3;

the driving mechanism 3 comprises a screw rod 31, a motor 32, a first bevel gear 33, a second bevel gear 34 and a pushing block 35, the motor 32 rotates to drive the first bevel gear 33 and the second bevel gear 34 which are meshed with each other to rotate so as to realize transmission of the screw rod 31 in the horizontal direction, one end of the screw rod 31 is fixedly connected with one end of the pushing block 35, rollers 36 which are distributed up and down are arranged on two sides of the end of the screw rod 31, and the other end of the pushing block 35 pushes the C-shaped nail 52 to move towards the outlet end of the clamping mechanism 2 along with the transmission of the screw rod 31.

Further, the first helical gear 33 is fixedly connected with a motor shaft of the motor 32, the second helical gear 34 is sleeved on the screw rod 31, and the second helical gear 34 is in threaded connection with the screw rod 31, as shown in fig. 2, one end of the screw rod 31 close to the push block 35 is provided with an expansion portion 37, an end surface of the expansion portion 37 close to the push block 35 is provided with a groove 38 for accommodating a side end of the push block 35 to be embedded, two rollers 36 which are distributed up and down are arranged on both side end surfaces of the expansion portion 37, the rollers 36 on both side end surfaces are sequentially and correspondingly arranged and are connected through a shaft rod 39 which longitudinally penetrates through the expansion portion 37 and the push block 35, and the rollers 36 roll on the inner side of the clamping mechanism 2 along with the movement of the screw.

Further, the clamping mechanism 2 includes an upper clamp body 21 and a lower clamp body 22 which are arranged up and down, the upper clamp body 21 and the lower clamp body 22 are movably connected with the gun housing 1 through a rotating shaft 23 which longitudinally penetrates through the gun housing 1, two ends of the upper clamp body 21 and the lower clamp body 22 respectively swing up and down around the corresponding rotating shaft 23, and an engaging ring 24 is formed after outlet ends of the upper clamp body 21 and the lower clamp body 22 are gathered together.

The working principle is as follows: the motor 32 receives the forward rotation signal of the power supply part of the electric C-shaped nail gun, drives the first bevel gear 33 to rotate forward, the second bevel gear 34 engaged with the first bevel gear 33 rotates, the horizontal lead screw 31 performs a screw motion with the second bevel gear 34 by a driving force of the rotation of the second bevel gear 34, the lead screw 31 pushes the push block 35 forward, thereby pushing the C-shaped nail 52 to move towards the outlet end of the clamping mechanism 2, and through the occlusion and tightening of the upper clamp body 21 and the occlusion ring 24 of the lower clamp body 22, the C-shaped nail 52 is occluded and fixed on the bed net, at the moment, the screw rod 31 continues to push forwards, the roller 36 fixed to the screw 31 continues to roll forward along the inner sides of the upper and lower nipper bodies 21 and 22, when the roller 36 moves to the front end parts of the upper clipper body 21 and the lower clipper body 22, the outlet ends of the upper clipper body 21 and the lower clipper body 22 are gradually expanded around the rotating shaft 23, thereby disengaging the engaging ring 24 of the electric C-shaped nail gun from the bed net; at this time, the motor 32 is started to rotate reversely, and similarly, the screw rod 31 is gradually retracted, and at this time, the outlet ends of the upper pincer body 21 and the lower pincer body 22 are reset to be gathered, and the next C-shaped nail 52 is ready for use.

The invention changes the traditional pneumatic driving structure form into the structure form that the gear rotates to drive the screw rod 31 to transmit in the horizontal direction, so that the operation is more stable, no pause and contusion are generated at the starting end and the tail end of the pushing stroke, the clamping and deviation of the C-shaped nail 52 are avoided, and the occlusion deformation is prevented.

Further, as shown in fig. 3, the gun housing 1 has a C-type nail feeding mechanism 5 near the inlet end.

Further, the C-shaped nail feeding mechanism 5 includes an L-shaped feeding rod 51, a plurality of C-shaped nails 52 are sequentially sleeved on the L-shaped feeding rod 51, and further includes a coil spring housing 53 fixedly connected to the outer end face of the gun case 1, and a coil spring 54 disposed in the coil spring housing 53, one end of the coil spring 54 is connected to a limiting member 55, and the limiting member 55 limits and fixes the last C-shaped nail 52.

Further, the stopper 55 includes a connecting portion 551 fixed to one end of the coil spring 54, a first stopper 552 integrally extended from the connecting portion 551 toward the L-shaped feeding rod 51, a second stopper 553 integrally extended from the connecting portion 551 toward the C-shaped nail 52 disposed at the end, and both the first stopper 552 and the second stopper 553 are disposed in a hoop manner at a side end of the L-shaped feeding rod 51.

Further, as shown in fig. 4, a side end surface of the first limiting member 552 has a C-shaped groove 554 that is recessed inward, the L-shaped feeding rod 51 is disposed in close contact with one end of the inner side of the C-shaped groove 554, and a gap 555 is formed between the L-shaped feeding rod 51 and the other end of the inner side of the C-shaped groove 554.

Further, as shown in fig. 5, the second stopper 553 includes a band portion 556 that is band-engaged with the side end of the L-shaped material feeding rod 51, and support portions 557 are sequentially extended from upper and lower ends of the band portion 556 toward upper and lower ends of the connecting portion 551.

The working principle of the C-shaped nail feeding mechanism 5 is as follows: the plurality of C-shaped nails 52 are sequentially sleeved on the L-shaped feeding rod 51, one end of the L-shaped feeding rod 51 extends into the inlet end 4, the second limiting member 553 is tightly abutted against the C-shaped nail 52 arranged at the tail by the winding force of the coil spring 54, when the C-shaped nail 52 arranged at the initial section is pushed to the outlet end of the clamping mechanism 2 by the pushing block 35, the C-shaped nail 52 on the L-shaped feeding rod 51 moves forward under the winding force of the coil spring 54, and the first limiting member 552 generates a pulling force to the side end of the L-shaped feeding rod 51, so as to ensure that the second limiting member 553 is hooped at the side end of the L-shaped feeding rod 51.

Furthermore, both sides of the rotating shaft 23 are connected with a stopper rod 6, and the stopper rod 6 is arranged to facilitate a user to support the stopper rod 6 on a bed net, thereby reducing the supporting force of the user holding the electric C-shaped nail gun.

Furthermore, the gun shell 1 is provided with a clamping plate 7 for limiting the upper end and the lower end of the C-shaped nail 52 at a position close to the inlet end, and the C-shaped nail 52 arranged at the initial section is clamped on the outer end surface of the clamping plate 7 under the action of the rolling force of the coil spring 54, so that the C-shaped nail is prevented from being deviated or clamped inside the gun shell 1.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electronic C type nail rifle which characterized in that: the automatic C-shaped nail clamping device comprises a gun shell (1), wherein a clamping mechanism (2) and a driving mechanism (3) are arranged in the gun shell (1), one side of the gun shell (1) is provided with an inlet end (4) for embedding a C-shaped nail (52), one end of the driving mechanism (3) is in contact with the C-shaped nail (52) and pushes the C-shaped nail (52) to move towards the outlet end of the clamping mechanism (2), the outlet end of the clamping mechanism (2) is gradually expanded along with the pushing of the driving mechanism (3), and the outlet end of the clamping mechanism (2) is gradually gathered along with the contraction of the driving mechanism (3);

the driving mechanism (3) comprises a screw rod (31), a motor (32), a first helical gear (33), a second helical gear (34) and a pushing block (35), the motor (32) rotates to drive the first helical gear (33) meshed with the second helical gear (34) to rotate so as to realize transmission of the screw rod (31) in the horizontal direction, one end of the screw rod (31) is fixedly connected with one end of the pushing block (35) and rollers (36) distributed up and down are arranged on two sides of the end of the screw rod (31), and the other end of the pushing block (35) pushes a C-shaped nail (52) to move towards the outlet end of the clamping mechanism (2) along with transmission of the screw rod (31).

2. The electric C-nailer of claim 1, wherein: the first bevel gear (33) is fixedly connected with a motor shaft of a motor (32), the second bevel gear (34) is sleeved on the screw rod (31), the second bevel gear (34) is in threaded connection with the screw rod (31), one end, close to the push block (35), of the screw rod (31) is provided with an expansion part (37), the end face, close to the push block (35), of the expansion part (37) is provided with a groove (38) for accommodating the side end of the push block (35) to be embedded, two rollers (36) are vertically distributed on the end faces of the two sides of the expansion part (37), the rollers (36) on the end faces of the two sides are sequentially and correspondingly arranged and are connected through a shaft rod (39) which longitudinally penetrates through the expansion part (37) and the push block (35), and the rollers (36) roll on the inner side of the clamping mechanism (2) along with the movement of the screw rod (31).

3. The electric C-nailer of claim 2, wherein: the clamp mechanism (2) comprises an upper clamp body (21) and a lower clamp body (22) which are arranged from top to bottom, the upper clamp body (21) and the lower clamp body (22) are movably connected with the gun shell (1) through a rotating shaft (39) which longitudinally penetrates through the gun shell (1), two ends of the upper clamp body (21) and the lower clamp body (22) swing up and down around the corresponding rotating shaft (39), and an occlusion ring (24) is formed after the outlet ends of the upper clamp body (21) and the lower clamp body (22) are gathered together.

4. The electric C-nailer of claim 3, wherein: and a C-shaped nail feeding mechanism (5) is arranged at the position, close to the inlet end, of the gun shell (1).

5. The electric C-nailer of claim 4, wherein: c type nail pan feeding mechanism (5) are including L type pan feeding pole (51), the cover is equipped with a plurality of C type nails (52) in proper order on L type pan feeding pole (51), still include with the outer terminal surface fixed connection's of rifle shell (1) coil spring casing (53), place coil spring (54) in coil spring casing (53) in, the one end of coil spring (54) is connected with locating part (55), locating part (55) carry out spacing fixedly to C type nail (52) of placing the end.

6. The electric C-nailer of claim 5, wherein: the limiting piece (55) comprises a connecting portion (551) fixed with one end of the coil spring (54), a first limiting piece (552) integrally extends towards the L-shaped feeding rod (51) from the connecting portion (551), a second limiting piece (553) integrally extends towards a C-shaped nail (52) arranged at the tail end from the connecting portion (551), and the first limiting piece (552) and the second limiting piece (553) are both arranged in a clamping mode with the side end face of the L-shaped feeding rod (51).

7. The electric C-nailer of claim 6, wherein: the side end face of the first limiting piece (552) is provided with an inwards-recessed C-shaped groove (554), the L-shaped feeding rod (552) is arranged in a manner of being attached to one end of the inner side of the C-shaped groove (554), and a gap (555) is formed between the L-shaped feeding rod (552) and the other end of the inner side of the C-shaped groove (554).

8. The electric C-nailer of claim 6, wherein: the second limiting piece (553) comprises a clamp part (556) clamped at the side end of the L-shaped feeding rod (552), and supporting parts (557) sequentially extend from the upper end and the lower end of the clamp part (556) to the upper end and the lower end of the connecting part (551).

9. An electric C-nail gun as claimed in any one of claims 3 to 8, wherein: two sides of the rotating shaft (23) are connected with a blocking piece rod (6).

10. An electric C-nail gun as claimed in any one of claims 1 to 8, wherein: the gun shell (1) is provided with a clamping plate (7) which limits the upper end and the lower end of the C-shaped nail (52) at a position close to the inlet end.