CN112828815A

CN112828815A - Screw gun head

Info

Publication number: CN112828815A
Application number: CN202110342634.5A
Authority: CN
Inventors: 彭建普
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-05-25

Abstract

The invention discloses a screw gun head, wherein screws are overlapped and arranged in a screw clamp slideway in a mode of overlapping domino, the overlapping and arranging mode provides a tolerance for the screws, screw clamping nails caused by larger error of screw precision in a single-layer straight-row arrangement mode are solved, the friction force of the screws in the slideway is reduced, the overlapping and arranging mode also enables more screws to be accommodated in unit length, the screws in the screw clamp are pushed into a screw chamber in a rotary screw feeding mode, a clamping block locked in a linkage mode is used for righting the screws, an interlocking screw righting structure is used for guaranteeing righting and screwing of the screws, long screws are better supported, the screw is rotatablely transferred by using the pulling force of the screws after being screwed into objects, and the reverse thrust of a main spring to a person is also counteracted, so that labor is saved, and the working efficiency is improved.

Description

Screw gun head

Technical Field

The invention relates to the technical field of screw tightening tools, in particular to a screw gun head.

Background

The screw fastening is a fastening process which is widely applied, at present, a reliable and efficient auxiliary worker nailing by a screw gun head is not available, the screw is a product with low processing precision, the error between the diameter of a big head and the thickness of an edge is large, and in addition, a structure of a radian taper neck is adopted, if a method for feeding screws by using straight and single-row springs in a slide way by using the big head of the screw is adopted, small screws left in the gap of the slide way are easy to clamp, the gap of the slide way is large, the screws are easy to clamp because the big head covers are mutually clamped, the structure for feeding the screws by using a chain belt has low working efficiency, the screw loading is slow, a chain belt is consumed, the twisting rate is high, and the long screws are not well supported, so that at present, a nailing mode of holding the screw by one hand and holding an electric drill by one hand is generally adopted, and meanwhile.

Disclosure of Invention

In order to solve the problems, the invention discloses a screw gun head, screws are overlapped and arranged in a screw clamp slide in a mode of overlapping a domino, a tolerance degree is provided for the screws by an overlapped and arranged slide way, in the arrangement structure, the screws can automatically adjust the overlapping angle to adapt to the difference in precision, simultaneously, the contact points between the screws and the screws are smooth and cannot be bitten, the contact surface between the screws and the slide way is smaller, the friction force is also smaller, and the friction force is reduced, so the problem of screw clamping of the slide way arranged in a single layer is solved, the overlapping and the arrangement can also enable more screws to be accommodated in unit length, the screw gun head adopts a rotary screw feeding mechanism to push the screws into a screw chamber, a clamp block locked in a linkage way is used for righting the screws, the righting and the screw feeding of the screws are ensured by an interlocking screw screwing structure, the long screws are better supported, the reverse thrust of a main spring is counteracted by using a tension screw after the screw is screwed into an object, so that labor is saved, the efficiency is improved, and the electric drill connector is quick and simple.

In order to achieve the above purpose, the invention provides the following technical scheme:

a screw gun head comprising: the electric drill connecting device comprises an electric drill connector and a screw, wherein the electric drill connector is used for connecting the gun body to an electric drill, and the screw is used for fastening the electric drill connector to enable the electric drill connector to hold the electric drill tightly; the nail feeding device comprises a nail clamp, a main body, a first spring, a second spring, a third spring, a fourth spring, a first push block, a second push block, a push block unlocking button, a screw locking hook and a screw unlocking button, wherein the nail clamp locking hook, the first torsion spring, the second torsion spring, a shifting fork, a sliding sleeve, a first spring leaf, a first righting clamping block, a second righting clamping block, a T-shaped connecting rod, a pin and a damper are arranged in the nail clamp groove of the main body, the third spring, the first push block and the fourth spring are arranged in a slide way of the nail clamp, the push block unlocking button and the fourth spring are arranged in the first push block, the screw locking button is arranged at the top end of the nail clamp slide way, the nail clamp locking hook is arranged on the main body, the first torsion spring is arranged on the nail clamp locking hook in a pre-compression manner, the main body is connected with an electric drill connector through a rear slide way, the pin is arranged in a pin hole of the rear slide way of the main, the electric drill connector limiting device is used for limiting an electric drill connector, the shifting fork is arranged on a pin shaft of the main body through a shaft hole and can rotate around the pin shaft, the second torsion spring is pre-tightened and arranged on the shifting fork, the second push block is arranged in an arc-shaped slide way of the main body and can slide along the slide way and be connected into a kidney-shaped hole of the shifting fork through the pin shaft, the sliding sleeve is arranged on a slide way of the main body and can slide and be connected into a special-shaped hole of the shifting fork through the pin shaft, the first centering clamping block and the second centering clamping block are arranged on the pin shaft of the main body through the shaft hole and can rotate around the shaft, the thin head of the T-shaped connecting rod is inserted into a pin hole of the main body and can slide, two ends of the transverse head of the T-shaped connecting rod are respectively clamped in U-shaped slide ways of the first clamping block and the second clamping block to push the two clamping blocks to rotate, the fourth spring is pre-compressed and sleeved on the T-shaped connecting rod, the first spring, the nailing device comprises a main body, a first batch of heads and a second batch of heads, wherein the first batch of heads penetrate through the electric drill connector and are fixed in a chuck of the electric drill, and the second batch of heads are arranged in a tubular handle of the main body.

Compared with the prior art, the invention has the beneficial effects that: novel structure is unique, has utilized the staple bolt mode of screw overlap to overcome the bail because of the screw machining precision is poor to utilize rotatory last nail mechanism to impel the screw nail thorax, the clamp splice with the linkage locking is right the screw, with the wrong nail structure of interlocking guarantee the rightting of screw with go up the nail, support better to the spike, thereby accomplish with the pulling force of screw-in behind the object and revolve the transfer nail and offset the thrust of main spring to people and realize laborsavingly.

Drawings

Fig. 1 is a front view of a screw gun head according to the invention.

Fig. 2 is an exploded view of a screw gun head according to the present invention.

FIG. 3 is a cross-sectional view of a nail holder assembly of the screw gun head of the present invention.

Fig. 4 is a structure diagram of a rotary screw feeding structure of a screw gun head according to the invention.

Fig. 5 is a structure diagram of the nail feeding and nailing linkage of the screw gun head according to the present invention.

List of reference numerals:

(1) the electric drill comprises an electric drill connector, (2) a screw, (3) a first screwdriver, (4) a damper, (5) a main body, (6) a second screwdriver, (7) a pin, (8) a locking hook, (9) a first torsion spring, (11) a second spring, (12) a T-shaped connecting rod, (13) a first centering clamping block, (14) a second centering clamping block, (15) a sliding sleeve, (16) a first spring, (17) a nail clamp, (18) a third spring, (19) a first pushing block, (20) a first button, (21) a fourth spring, (22) a second button, (23) a second pushing block, (24) a second torsion spring, (25) a shifting fork and (26) a screw.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, which are to be understood as being illustrative only

Are intended to be illustrative of the invention and are not intended to limit the scope of the invention.

It should be noted that the directions of the words "front", "rear" and "top" used in the following description are respectively directed to "right", "left" and "upper" in the front view.

As shown in the figures, a screw gun head is characterized in that: the electric drill connecting device comprises three devices, namely an electric drill connecting device, a nail feeding device and a nailing device, wherein the electric drill connecting device comprises an electric drill connector (1) and a screw (2), the nail feeding device comprises a nail clamp (17), a third spring (18), a first push block (19), a fourth spring (21), a second button (22), a first button (20), a damper (4), a main body (5), a pin (7), a locking hook (8), a first torsion spring (9), a T-shaped connecting rod (12), a first righting clamping block (13) and a second righting clamping block (14). The nailing device comprises a first spring piece (10), a second spring (11), a sliding sleeve (15), a first spring (16), a second pushing block (23), a second torsion spring (24), a shifting fork (25) and a screw (26), wherein the nailing device comprises a first batch head (3) and a second batch head (6).

The operation mode and the working principle of the invention are as follows: connecting an electric drill, loosening a quick chuck of the electric drill, sleeving an electric drill connector (1) on the chuck of the electric drill, inserting the rear end of a first batch head (3) into a drill chuck, screwing a screw (2) tightly, fixing the electric drill connector on the neck of the electric drill for holding the handle, pinching the drill chuck by a thumb and a forefinger of one hand through two holes in the side surface of the electric drill connector, and lightly pressing a switch of the electric drill to enable the drill chuck to lock the first batch head (3); the nail is fed, the locking hook (8) on the left side of the main body (5) is pushed, the nail clamp (17) is pulled out from the nail clamp groove of the main body (5), the first push block (19) and the second button (22) on the nail clamp (17) are pushed downwards to be locked at the clamping point at the lower part of the nail clamp (17) under the elasticity of a fourth spring (21), the nail clamp (17) is erected, a first button (20) which is a screw locking button at the top end of the nail clamp is pressed down by a thumb, then screws (26) are sequentially placed into a slideway of the nail clamp (17), the screws are naturally arranged in a lapped mode under the action of gravity (see a cross section of a nail clamp part of a screw gun head of the invention in figure 3), the nail clamp (17) is inserted back into the nail clamp groove of the main body (5) until the nail clamp (17) is locked by the locking hook (8) pre-twisted by a first torsion spring (9), meanwhile, the locking hook (20) at the top of the nail clamp (17) is pressed down to be released, and the second button (22) on the first push block (19, the first push block (19) pushes a screw (26) to move towards the top end of the nail clamp (17) until a nail is blocked by the second push block (23) under the elastic pressure of the third spring (18), the sliding sleeve (15) is pressed, the sliding sleeve (15) drives a shifting fork (25) to rotate backwards, the shifting fork (25) drives the second push block (23) to slide backwards, meanwhile, the sliding sleeve (15) releases a first centering clamp block (13) and a second centering clamp block (14), the two clamp blocks are pushed to open by a T-shaped connecting rod (12) pre-pressed by the second spring (11), the sliding sleeve (15) is continuously pressed until the second push block (23) slides through the position of the nail (26) in the nail clamp (17), the nail (26) enters a slideway of the main body (5) under the elastic force of the fourth spring (18), the sliding sleeve (15) is released, the sliding sleeve (15) slides forwards under the elastic force of the first spring (16), and at the moment, the damper (4) gives a damping force to the sliding sleeve (15), the sliding of the sliding sleeve (15) is slowed down, the sliding sleeve (15) drives the shifting fork (25) to rotate forwards while sliding forwards, the shifting fork (25) drives the second push block (23) to slide forwards in a rotary slide way of the main body (5) to push nails into holes to be screwed in front of a first batch head (3) of the main body (5), the nail caps are clamped by the first spring leaf (10) to be centered, the sliding sleeve (15) continues to slide forwards under the elastic force of the first spring (16), two sides of the sliding sleeve (15) push the first centering clamp block (13) and the second centering clamp block (14), the two centering clamp blocks close the clamp, the semi-circular grooves on the two clamp blocks relatively hoop the nail rod to play a role of centering, the sliding sleeve (15) continues to slide forwards, a column pin on the sliding sleeve, which is in contact with the shifting fork (25), slides forwards along a special-shaped hole in the upper part of the shifting fork (25), and the second torsion spring (24) pretensions the shifting fork (25), the rear edge of the special-shaped hole of the shifting fork (25) is kept in contact with a pin shaft on the sliding sleeve (15), the sliding sleeve (15) continues to slide forwards until the first centralizing clamping block (13) and the second centralizing clamping block (14) are locked by the sliding sleeve (15) and can not be opened, nail feeding is completed (see figure 4. the structure diagram of the rotary nail feeding structure of the screw gun head of the invention), nailing is performed, a nail tip is pressed on an object to be screwed, an electric drill switch is pressed to screw the nail into the object to be screwed, when the nail is screwed into the front end of the sliding sleeve (15) and starts to contact the object to be screwed, the sliding sleeve (15) starts to slide backwards under the pulling force of the nail, the shifting fork (25) and the second pushing block (23) are driven to slide backwards, simultaneously the first centralizing clamping block (13) and the second centralizing clamping block (14) start to be released by the sliding sleeve (15), the two centralizing blocks start to be pushed downwards by a T-shaped opening connecting rod (12) pushed by a second spring (11), and before a nail cap is separated from the first centralizing clamping block (13, the first centralizing clamping block (13) and the second centralizing clamping block (14) are opened to reversely lock the sliding sleeve (15) so as to ensure that the second pushing block (23) reaches the rear end of the slideway of the main body (5) before the nail cap is removed, so that the nails can enter the slideway of the main body (5) under the jacking of the third spring (18), after the screws are screwed, the sliding sleeve (15) leaves the screwed object, the sliding sleeve (15) is pushed by the first spring (16) to slide forwards, the damper (4) gives a damping force to slide, so that a delay appears in sliding, the time for the gun body to leave the screwed object is given, the nail feeding process is prevented from being blocked due to the fact that the screws touch the screwed object, then the nail feeding device finishes the nail feeding process under the pushing of the first spring (16), the nail feeding process is repeated until the nails of the nail clamp are completely driven (see a nail feeding and nailing linkage structure diagram of the head of the screw of the invention), the second batch head (6) is arranged in the handle of the main body (5), the second batch head (6) can be arranged on the first batch head (3) to be externally connected for use by pressing the sliding sleeve (15).

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. The technology of the industry

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to be illustrative only

The principles of the invention may be modified and adapted without departing from the spirit and scope of the invention

Modifications and improvements are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims

Their equivalents are defined.

Claims

1. A screw rifle head which characterized in that: the nail feeding device is characterized in that the screws are arranged in the slideway in a lapping mode, the screws are screwed in the pull force of an object to assist in nail feeding, the nail feeding device and the righting clamping block of the nailing device are interlocked, the time of nail feeding is delayed through damping after nailing, and the electric drill is connected with the device.

2. A screw gun head according to claim 1, wherein: the nail feeding devices (17) are arranged in a mode of overlapping screws.

3. A screw gun head according to claim 1, wherein: the nail feeding device adopts a rotary nail conveying slideway (5).

4. A screw gun head according to claim 1, wherein: the centralizing clamping blocks (13), (14) and (15) of the nail feeding device are interlocked.

5. A screw gun head according to claim 1, wherein: the sliding sleeve (15) is linked with the shifting fork (25) and the second push block (23).

6. A screw gun head according to claim 1, wherein: the time for feeding the nails is delayed by the damper (4) to avoid that the nails are blocked by the screwed objects when the nail feeding speed is too high.

7. A screw gun head according to claim 1, wherein: the electric drill connecting device comprises electric drill connectors (1) and (2).