CN112140064A

CN112140064A - Electrically-driven tool hammer device capable of assisting in positioning and pre-nailing

Info

Publication number: CN112140064A
Application number: CN202011053877.9A
Authority: CN
Inventors: 文裴
Original assignee: Shanghai Chengdong Locks Co ltd
Current assignee: Shanghai Chengdong Locks Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2020-12-29

Abstract

The invention relates to the related field of electric tools, and discloses an electric driving tool hammer device capable of auxiliary positioning and pre-nailing, which comprises a main body box, wherein the tail end of the upper side of the right end surface of the main body box is fixedly connected with a handle extending rightwards, a diameter detection cavity with a downward opening is arranged in the main body box, the upper end wall of the diameter detection cavity is communicated with a pre-nailing cavity, the upper end wall of the pre-nailing cavity is communicated with an impact piston cavity, the left side of the pre-nailing cavity is provided with a pressure cavity, a butt sliding block capable of sliding up and down and a pre-nailing spring are used for conveniently auxiliary positioning nails and ensuring that the nails are in a vertical state, so that the trouble of manual positioning is saved, meanwhile, the nails can be smoothly nailed into the surface of a workpiece through the impact force brought by the impact piston, the condition that fingers are accidentally injured by manually hammering the nails is avoided, and the size of the, therefore, nails with different specifications can be smoothly pre-nailed, and the damage of the nails is avoided.

Description

Electrically-driven tool hammer device capable of assisting in positioning and pre-nailing

Technical Field

The invention relates to the field of electric tools, in particular to an electric driving tool hammer device capable of assisting in positioning and pre-nailing.

Background

Most all are the manual drive formula for present hammer, however this type of hammer is because need fix a position and nail in advance to the nail in the use, need the manual work to right the nail promptly and carry out the hammering action of nailing in advance, thereby it is very easy to accidentally injure the finger because of misoperation, thereby this kind is nailed in advance and is had certain potential safety hazard with the mode of location, simultaneously because the difference of the size specification of nail, thereby the strength of hammering need control in reasonable scope, so that the nail of different specifications can all be nailed in advance smoothly, and do not cause the damage of nail, and then hardly realize through the manual type.

Disclosure of Invention

The invention aims to provide an electrically-driven tool hammer device capable of assisting in positioning and pre-nailing, which can overcome the defects in the prior art, so that the practicability of the device is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an electrically-driven tool hammer device capable of assisting in positioning and pre-nailing, which comprises a main body box, wherein the tail end of the upper side of the right end face of the main body box is fixedly connected with a handle extending rightwards, a diameter detection cavity with a downward opening is arranged in the main body box, the upper end wall of the diameter detection cavity is communicated with a pre-nailing cavity, the upper end wall of the pre-nailing cavity is communicated with an impact piston cavity, the left side of the pre-nailing cavity is provided with a pressure cavity, a pressure channel is fixedly connected between the tail end of the upper side of the right end wall of the pressure cavity and the upper end wall of the impact piston cavity, the right end wall of the pressure channel is communicated with a pressure positioned at the upper side of the impact piston cavity, the left end wall and the right end wall of the diameter detection cavity are communicated with detection slide block cavities which are bilaterally symmetrical by taking the diameter detection cavity as a center, the left, a detection main spring is fixedly connected between the end surface of the diameter detection slide block far away from the side of the diameter detection cavity and the bottom wall of the detection slide block cavity, the limiting slide block cavity is connected with a limiting slide block which extends downwards to the outside in a sliding fit manner, a limiting spring is fixedly connected between the upper end surface of the limiting slide block and the upper end wall of the limiting slide block cavity, the pre-nailing cavity is connected with an abutting sliding block in a sliding fit manner, a nail magnet is fixedly connected in the abutting sliding block, a pre-nailing spring is fixedly connected between the upper end face of the abutting sliding block and the upper end wall of the pre-nailing cavity, an impact piston capable of contacting with the abutting sliding block is connected in the impact piston cavity in a sliding fit manner, an impact spring is fixedly connected between the upper end surface of the impact piston and the upper end wall of the impact piston cavity, the pressure valve cavity is connected with a pressure valve in a sliding fit mode, and a pressure valve spring is fixedly connected between the right end face of the pressure valve and the right end wall of the pressure valve cavity.

On the basis of the technical scheme, a pressure auxiliary channel positioned on the upper side of the pressure valve is communicated with the left end wall of the pressure channel, a pressure adjusting cavity is communicated with the left end wall of the pressure auxiliary channel, a vent with a backward opening is communicated with the left end of the rear end wall of the pressure adjusting cavity, a pressure valve magnetic block cavity is communicated with the upper end wall of the pressure adjusting cavity, a motor fixedly connected with the main box and positioned on the upper side of the pressure adjusting cavity is arranged on the left side of the pressure adjusting cavity, a trigger cavity is arranged on the lower side of the pressure adjusting cavity, a switching main cavity is arranged on the left side of the vent, a friction slider cavity is communicated with the right end of the lower end wall of the switching main cavity, a switching magnetic block cavity is communicated with the left end wall of the switching main cavity, a crank turntable cavity positioned on the left side of the switching main cavity is arranged on the lower side of the crank turntable cavity, and, the tail end of the lower side of the rear end wall of the inflation cavity is communicated with an air suction port with a backward opening, and an inflation channel is communicated between the right end wall of the inflation cavity and the tail end of the upper side of the left end wall of the pressure cavity.

On the basis of the technical scheme, an adjusting main shaft which extends leftwards into the switching main cavity and rightwards into the pressure intensity adjusting cavity is connected to the right end wall of the switching main cavity in a rotating fit manner, an adjusting magnetic block which is in threaded fit connection with the adjusting main shaft is connected to the pressure intensity adjusting cavity in a sliding fit manner, a magnetic piston which is positioned on the right side of the adjusting magnetic block is connected to the pressure intensity adjusting cavity in a sliding fit manner, a pressure intensity spring is fixedly connected between the left end surface of the magnetic piston and the right end surface of the adjusting magnetic block, a pressure intensity valve magnetic block which can correspond to the magnetic piston is connected to the pressure intensity valve magnetic block in a sliding fit manner, a trigger plate is connected to the trigger cavity in a sliding fit manner, a trigger spring is fixedly connected between the lower end surface of the trigger plate and the lower end wall of, the upper end face of the trigger plate is connected with the upper end wall of the trigger cavity in a sliding fit mode, a trigger electromagnet which can correspond to the adjusting magnetic block is connected between the upper end face of the trigger plate and the upper end wall of the trigger cavity in a sliding fit mode, and a detection auxiliary spring is fixedly connected between the left end face of the trigger electromagnet and the left end wall of the trigger cavity.

On the basis of the technical scheme, fixedly connected with switching electromagnet in the wall of the left end of the switching magnetic block cavity, sliding fit in the switching magnetic block cavity is connected with and switches the switching magnetic block that the electromagnet corresponds, switch the magnetic block left end face with fixedly connected with magnet spring between the wall of the left end of the switching magnetic block cavity, motor left end face fixedly connected with extend to left switch the main cavity and with the motor spline shaft that main body case normal running fit is connected, motor spline shaft internal spline fit is connected with and extends to left switch the main cavity to switch the magnetic block cavity and with switch the main shaft that the magnetic block normal running fit is connected, switch be equipped with in the main cavity with switch main shaft fixed connection's main friction pulley, main friction pulley downside butt have with adjust main shaft fixed connection's regulation friction pulley, adjust the friction pulley left side be equipped with switch under the main cavity end wall fixed connection and be located the left end wall of friction slider cavity is fixed connection just The torsion spring plate, torsion spring plate right-hand member face with adjust fixedly connected with torsion spring between the main shaft left end face, it extends to right to switch the main intracavity and extend to left to switch the main intracavity and be located in the left carousel axle of torsion spring plate to switch the interior normal running fit of main chamber left end wall.

On the basis of the technical scheme, an inflatable friction wheel which is fixedly connected with the turntable shaft and can be abutted against the main friction wheel is arranged in the switching main cavity, a crank turntable which is fixedly connected with the turntable shaft is arranged in a crank turntable cavity, a cylindrical pin is fixedly connected with the left end surface of the crank turntable, a crank push rod which extends downwards into the inflatable cavity is connected on the cylindrical pin in a rotating fit manner, an inflatable piston which is connected with the inflatable cavity in a sliding fit manner is hinged to the lower end surface of the crank push rod, a friction slide block which can be connected with the adjusting friction wheel in a friction fit manner is connected in the friction slide block cavity in a sliding fit manner, a friction slide block spring is fixedly connected between the lower end surface of the friction slide block and the lower end wall of the friction slide block cavity, and an air suction one-way valve which is positioned between the inflatable piston, an inflation one-way valve is fixedly connected in the inflation channel,

on the basis of the technical scheme, a limiting pull rope is fixedly connected between the lower end surface of the friction slide block and the upper end surface of the limiting slide block, a diameter detecting pull rope is fixedly connected between the left end surface of the diameter detecting slide block on the left side and the left end surface of the triggering electromagnet, a pressure valve magnet block cavity is fixedly connected between the right end surface of the pressure valve and the upper end surface of the pressure valve magnet block, the thrust of the limiting spring is greater than that of the friction slide block spring, the thrust of the detecting main spring on the left side is greater than that of the detecting auxiliary spring, the repulsive force between the adjusting magnet block and the triggering electromagnet after being electrified is greater than that of the triggering spring, the attractive force between the switching electromagnet and the switching magnet block after being electrified is greater than that of the magnet spring, and the friction force between the friction slide block and the adjusting friction wheel is, the attractive force between the pressure valve magnetic block and the magnetic piston is larger than the thrust of the pressure valve spring.

The invention has the beneficial effects that: through gliding butt slider from top to bottom and the spring of nailing in advance, can be very convenient carry out assistance-localization real-time to the nail and guarantee that the nail is in the vertical state, thereby the trouble of artifical location has been saved, simultaneously the impact force that brings through the impact piston makes the nail can nail into the workpiece surface smoothly, thereby the condition of finger is wounded by mistake to the manual hammer nail has been avoided, detect the slider through the diameter simultaneously, the size that can correspondingly change the nail impact force and receive, thereby make the nail of different specifications all can carry out nail in advance smoothly, and the damage of nail has been avoided.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the overall structure of an electric tool hammer assembly of the present invention for assisting in positioning and pre-nailing;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-4, the electrically-driven tool hammer device capable of assisting in positioning and pre-nailing comprises a main body box 10, a handle 21 extending rightward is fixedly connected to the end of the upper side of the right end face of the main body box 10, a diameter detection cavity 76 with a downward opening is arranged in the main body box 10, a pre-nailing cavity 25 is communicated with the upper end wall of the diameter detection cavity 76, an impact piston cavity 22 is communicated with the upper end wall of the pre-nailing cavity 25, a pressure cavity 16 is arranged on the left side of the pre-nailing cavity 25, a pressure channel 18 is fixedly connected between the end of the upper side of the right end wall of the pressure cavity 16 and the upper end wall of the impact piston cavity 22, a pressure valve cavity 20 located on the upper side of the impact piston cavity 22 is communicated with the right end wall of the pressure channel 18, detection slider cavities 71 which are symmetrically arranged left and right with the diameter detection cavity 76 as a, the left side is equipped with the restriction slider chamber 67 that the opening is decurrent on the left side of detecting slider chamber 71, it is connected with diameter detection slider 73 to detect sliding fit in slider chamber 71, diameter detection slider 73 keeps away from the diameter detects 76 side end face and detect fixedly connected with between the slider chamber 71 diapire and detect main spring 72, it is connected with the restriction slider 69 that extends to the external world downwards to restrict sliding fit in the restriction slider chamber 67, fixedly connected with restriction spring 68 between restriction slider 69 up end and the restriction slider chamber 67 upper end wall, it is connected with butt slider 27 to follow closely sliding fit in the chamber 25 in advance, fixedly connected with nail magnet 28 in the butt slider 27, fixedly connected with is followed closely spring 26 in advance between butt slider 27 up end and the chamber 25 upper end wall in advance, it has the impact piston 24 that can contact with butt slider 27 to strike piston chamber 22 sliding fit in connection, an impact spring 23 is fixedly connected between the upper end surface of the impact piston 24 and the upper end wall of the impact piston cavity 22, a pressure valve 17 is connected in the pressure valve cavity 20 in a sliding fit manner, and a pressure valve spring 19 is fixedly connected between the right end surface of the pressure valve 17 and the right end wall of the pressure valve cavity 20.

In addition, in one embodiment, the left end wall of the pressure channel 18 is communicated with a pressure auxiliary channel 64 located on the upper side of the pressure valve 17, the left end wall of the pressure auxiliary channel 64 is communicated with a pressure adjusting cavity 61, the left end of the rear end wall of the pressure adjusting cavity 61 is communicated with a vent 50 with a backward opening, the upper end wall of the pressure adjusting cavity 61 is communicated with a pressure valve magnet cavity 62, the left side of the pressure valve magnet cavity 62 is provided with a motor 53 fixedly connected with the main body box 10 and located on the upper side of the pressure adjusting cavity 61, the lower side of the pressure adjusting cavity 61 is provided with a trigger cavity 60, the left side of the vent 50 is provided with a switching main cavity 41, the right end of the lower end wall of the switching main cavity 41 is communicated with a friction slider cavity 48, the left end wall of the switching main cavity 41 is communicated with a switching magnet cavity 39, the lower side of the switching magnet cavity 39 is provided with, the left end of the lower end wall of the crank turntable cavity 77 is communicated with an inflation cavity 11 positioned on the left side of the pressure cavity 16, the lower end of the rear end wall of the inflation cavity 11 is communicated with an air suction port 15 with a backward opening, and an inflation channel 12 is communicated between the right end wall of the inflation cavity 11 and the upper end of the left end wall of the pressure cavity 16.

In addition, in one embodiment, an adjusting spindle 45 extending leftwards into the switching main chamber 41 and rightwards into the pressure adjusting chamber 61 is connected in a rotationally fitted manner to the right end wall of the switching main chamber 41, an adjusting magnet 49 in threaded fit connection with the adjusting spindle 45 is connected in the pressure adjusting chamber 61 in a rotationally fitted manner, a magnetic piston 63 located on the right side of the adjusting magnet 49 is connected in the pressure adjusting chamber 61 in a rotationally fitted manner, a pressure spring 65 is fixedly connected between the left end face of the magnetic piston 63 and the right end face of the adjusting magnet 49, a pressure valve magnet 54 capable of corresponding to the magnetic piston 63 is connected in the pressure valve magnet chamber 62 in a rotationally fitted manner, a trigger plate 56 is connected in the trigger chamber 60 in a rotationally fitted manner, and a trigger spring 58 is fixedly connected between the lower end face of the trigger plate 56 and the lower end wall of the trigger chamber, the lower end wall of the trigger cavity 60 is fixedly connected with a contact switch 59 located on the right side of the trigger spring 58, the upper end face of the trigger plate 56 and the upper end wall of the trigger cavity 60 are connected with a trigger electromagnet 57 in a sliding fit mode, the trigger electromagnet 57 can correspond to the adjusting magnetic block 49, and a detection auxiliary spring 51 is fixedly connected between the left end face of the trigger electromagnet 57 and the left end wall of the trigger cavity 60.

In addition, in one embodiment, a switching electromagnet 29 is fixedly connected in the left end wall of the switching magnetic block cavity 39, a switching magnetic block 40 corresponding to the switching electromagnet 29 is connected in the switching magnetic block cavity 39 in a sliding fit manner, a magnet spring 38 is fixedly connected between the left end surface of the switching magnetic block 40 and the left end wall of the switching magnetic block cavity 39, a motor spline shaft 52 which extends leftwards into the switching main cavity 41 and is connected with the main body box 10 in a rotating fit manner is fixedly connected on the left end surface of the motor 53, a switching main shaft 43 which extends leftwards into the switching magnetic block cavity 39 and is connected with the switching magnetic block 40 in a rotating fit manner is connected in a spline fit manner in the motor spline shaft 52, a main friction wheel 42 fixedly connected with the switching main shaft 43 is arranged in the switching main cavity 41, and an adjusting friction wheel 46 fixedly connected with the adjusting main shaft 45 abuts against the lower side of the main friction wheel 42, adjust the friction pulley 46 left side be equipped with switch main chamber 41 lower terminal wall fixed connection and be located the left torsion spring board 36 in friction slide chamber 48, torsion spring board 36 right side terminal surface with fixedly connected with torsion spring 44 between the adjusting spindle 45 left side terminal surface, switch main chamber 41 left side end wall internal rotation cooperation is connected with and extends to right switch in the main chamber 41 and extend to left in the crank carousel chamber 77 and be located the left carousel axle 32 of torsion spring board 36.

In addition, in one embodiment, an inflation friction wheel 35 fixedly connected with the turntable shaft 32 and capable of abutting against the main friction wheel 42 is arranged in the switching main cavity 41, a crank turntable 33 fixedly connected with the turntable shaft 32 is arranged in the crank turntable cavity 77, a cylindrical pin 30 is fixedly connected with the left end surface of the crank turntable 33, a crank push rod 31 extending downwards into the inflation cavity 11 is connected on the cylindrical pin 30 in a rotating fit manner, an inflation piston 34 connected with the inflation cavity 11 in a sliding fit manner is hinged on the lower end surface of the crank push rod 31, a friction slide block 47 capable of being connected with the adjustment friction wheel 46 in a friction fit manner is connected in the friction slide block cavity 48 in a sliding fit manner, a friction slide block spring 37 is fixedly connected between the lower end surface of the friction slide block 47 and the lower end wall of the friction slide block cavity 48, and an air suction one-way valve 14 positioned between the inflation piston 34 and the air suction port 15 is fixedly connected in the inflation cavity 11, an inflation one-way valve 13 is fixedly connected in the inflation channel 12,

in addition, in one embodiment, a limit pull rope 66 is fixedly connected between the lower end surface of the friction slider 47 and the upper end surface of the limit slider 69, a diameter detection pull rope 70 is fixedly connected between the left end surface of the diameter detection slider 73 on the left side and the left end surface of the trigger electromagnet 57, a pressure valve magnet block cavity 62 is fixedly connected between the right end surface of the pressure valve 17 and the upper end surface of the pressure valve magnet block 54, the thrust of the limit spring 68 is greater than that of the friction slider spring 37, the thrust of the detection main spring 72 on the left side is greater than that of the detection auxiliary spring 51, the repulsive force between the adjusting magnet block 49 and the trigger electromagnet 57 after being energized is greater than that of the trigger spring 58, the attractive force between the switching electromagnet 29 and the switching magnet block 40 after being energized is greater than that of the magnet spring 38, and the frictional force between the friction slider 47 and the adjusting friction wheel 46 is greater than that of the torsion spring 44, the attractive force between the pressure valve magnet 54 and the magnetic piston 63 is greater than the urging force of the pressure valve spring 19.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

As shown in fig. 1-4, when the apparatus of the present invention is in the initial state, the abutting slider 27 is pushed by the pre-nail spring 26, so that the lower end surface of the abutting slider 27 is tightly attached to the lower end wall of the pre-nail chamber 25, the pressure valve 17 is pushed by the pressure valve spring 19, so that the left end surface of the pressure valve 17 is tightly attached to the left end wall of the pressure channel 18, that is, the pressure valve 17 is in the closed state, the switching electromagnet 29 is in the closed state, so that the switching magnetic block 40 is pushed by the magnet spring 38 to move the main friction wheel 42 to the right through the switching main shaft 43 to be just abutted to the adjusting friction wheel 46, the limiting slider 69 is pushed by the limiting spring 68 to move downward to the outside, and the friction slider 47 is just completely; sequence of mechanical actions of the whole device: when the nail is started, the upper end face of the nail is abutted against the lower end face of the abutting slide block 27, so that the nail is attracted by the nail magnet 28 and is stabilized at the central position of the diameter detection cavity 76, and the diameter detection slide block 73 is abutted against the nail, so that the left diameter-detecting slider 73 moves leftward by a certain distance, and the trigger electromagnet 57 moves rightward by the same distance corresponding to the urging force of the detecting sub-spring 51, so that the adjusting magnetic block 49 and the triggering electromagnet 57 are in a separated state at the moment, then the lower end surface of the nail is abutted to the position to be nailed, the main body box 10 is pressed downwards through the handle 21 after the position is determined, so that the nail gradually and completely enters the diameter detection cavity 76 and the pre-nailing cavity 25, the lower end surface of the nail 1 is tightly attached to the surface to be nailed, thereby realizing the positioning before the nail is nailed and ensuring that the nail can be vertically nailed into the surface needing nailing; at the same time, the limiting slider 69 just completely enters the limiting slider cavity 67, so that the friction slider 47 is pushed by the friction slider spring 37 to move upwards to abut against the adjusting friction wheel 46, then the triggering electromagnet 57 is started, the motor 53 is started to drive the motor spline shaft 52 to rotate, so that the main friction wheel 42 is driven to rotate, the main friction wheel 42 drives the adjusting spindle 45 to overcome the elastic force of the torsion spring 44 and the friction force between the adjusting friction wheel 46 and the friction slider 47 through the adjusting friction wheel 46, so that the adjusting magnetic block 49 is driven to move rightwards to overcome the pushing force of the pressure spring 65, when the adjusting magnetic block 49 moves rightwards to just correspond to the triggering electromagnet 57, the pushing force of the pressure spring 65 on the magnetic piston 63 is correspondingly increased, and when the diameter of a nail is larger, the pushing force of the pressure spring 65 on the magnetic piston 63 is also increased, so that the effect of automatically adjusting the impact force of the nail caused by the pressure through detecting the Size; meanwhile, the repulsive force between the adjusting magnet 49 and the triggering electromagnet 57 overcomes the pushing force of the triggering spring 58, the triggering plate 56 is driven by the triggering electromagnet 57 to move downwards to just contact with the contact switch 59, so that the switching electromagnet 29 is started at the moment, the attraction force between the electrified switching electromagnet 29 and the switching magnet 40 overcomes the pushing force of the magnet spring 38, the switching magnet 40 and the switching main shaft 43 drive the main friction wheel 42 to move leftwards to just abut against the inflatable friction wheel 35, the main friction wheel 42 drives the turntable shaft 32 to rotate through the inflatable friction wheel 35, the crank turntable 33 is driven to rotate, the cylindrical pin 30 is driven to rotate by taking the turntable shaft 32 as the center, the cylindrical pin 30 drives the inflatable piston 34 to reciprocate up and down in the inflatable cavity 11 through the crank push rod 31, and air enters the inflatable cavity 11 through the air suction port 15 and the air suction one-way valve 14, the air is filled into the pressure cavity 16 through the air filling one-way valve 13 and the air filling channel 12, so that the pressure in the pressure cavity 16 is gradually increased, the pressure in the pressure auxiliary channel 64 is gradually increased through the pressure channel 18 by the pressure cavity 16, and the magnetic piston 63 subjected to the pressure moves to the left by overcoming the thrust of the pressure spring 65; when the magnetic piston 63 moves leftwards to just correspond to the pressure valve magnetic block 54, the attraction force between the magnetic piston 63 and the pressure valve magnetic block 54 overcomes the thrust of the pressure valve spring 19 to enable the pressure valve 17 to move rightwards to be completely positioned in the pressure valve cavity 20, so that the pressure in the pressure cavity 16 enables the impact piston 24 to rapidly move downwards and collide with the upper end face of the abutting sliding block 27 through the pressure channel 18, the nail is driven into the surface to be nailed under the action of downward impact force, the automatic driving of the nail into the surface to be nailed is realized, manual intervention is not needed, and the risk of injury of personnel is reduced; when a nail is driven into the surface, the motor 53, the trigger electromagnet 57 and the switching electromagnet 29 are turned off, and then the main body case 10 is lifted up by the handle 21, so that the limit slider 69 moves downward to the outside, the friction slider 47 moves downward to be disengaged from the adjusting friction wheel 46, the adjusting main shaft 45 is reversely rotated by the elastic force of the torsion spring 44, and the adjusting magnetic block 49 moves to the left to an initial position; the invention has the beneficial effects that: through gliding butt slider from top to bottom and the spring of nailing in advance, can be very convenient carry out assistance-localization real-time to the nail and guarantee that the nail is in the vertical state, thereby the trouble of artifical location has been saved, simultaneously the impact force that brings through the impact piston makes the nail can nail into the workpiece surface smoothly, thereby the condition of finger is wounded by mistake to the manual hammer nail has been avoided, detect the slider through the diameter simultaneously, the size that can correspondingly change the nail impact force and receive, thereby make the nail of different specifications all can carry out nail in advance smoothly, and the damage of nail has been avoided.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but electrically driven instrument hammer device of assistance-localization real-time and nailing in advance, includes the main part case, its characterized in that: the tail end of the upper side of the right end face of the main body box is fixedly connected with a handle extending rightwards, a diameter detection cavity with a downward opening is arranged in the main body box, the upper end wall of the diameter detection cavity is communicated with a pre-nail cavity, the upper end wall of the pre-nail cavity is communicated with an impact piston cavity, the left side of the pre-nail cavity is provided with a pressure cavity, a pressure channel is fixedly connected between the tail end of the upper side of the right end wall of the pressure cavity and the upper end wall of the impact piston cavity, the right end wall of the pressure channel is communicated with a pressure valve cavity positioned at the upper side of the impact piston cavity, the left end wall and the right end wall of the diameter detection cavity are communicated with detection slide block cavities symmetrically arranged by taking the diameter detection cavity as the center, the left side of the detection slide block cavity is provided with a limiting slide block cavity with a downward opening, a diameter detection slide block is connected in a sliding fit manner in, the limiting slide block is connected with a limiting slide block which extends downwards to the outside in a sliding fit mode in the limiting slide block cavity, a limiting spring is fixedly connected between the upper end face of the limiting slide block and the upper end wall of the limiting slide block cavity, a butting slide block is connected in the pre-nailing cavity in a sliding fit mode, a nail magnet is fixedly connected in the butting slide block, a pre-nailing spring is fixedly connected between the upper end face of the butting slide block and the upper end wall of the pre-nailing cavity, an impact piston which can be in contact with the butting slide block is connected in the impact piston cavity in a sliding fit mode, an impact spring is fixedly connected between the upper end face of the impact piston and the upper end wall of the impact piston cavity, a pressure valve is connected in the pressure valve cavity in a sliding fit mode, and a.

2. An electrically driven tool hammer apparatus for assisted positioning and pre-nailing of claim 1 wherein: the left end wall of the pressure intensity channel is communicated with a pressure intensity auxiliary channel positioned on the upper side of the pressure intensity valve, the left end wall of the pressure intensity auxiliary channel is communicated with a pressure intensity adjusting cavity, the tail end of the left side of the rear end wall of the pressure intensity adjusting cavity is communicated with a vent with a backward opening, the upper end wall of the pressure intensity adjusting cavity is communicated with a pressure intensity valve magnetic block cavity, the left side of the pressure intensity valve magnetic block cavity is provided with a motor which is fixedly connected with the main box and positioned on the upper side of the pressure intensity adjusting cavity, the lower side of the pressure intensity adjusting cavity is provided with a trigger cavity, the left side of the vent is provided with a switching main cavity, the right end of the lower end wall of the switching main cavity is communicated with a friction slider cavity, the left end wall of the switching main cavity is communicated with a switching magnetic block cavity, the lower side of the switching magnetic block cavity, the tail end of the lower side of the rear end wall of the inflation cavity is communicated with an air suction port with a backward opening, and an inflation channel is communicated between the right end wall of the inflation cavity and the tail end of the upper side of the left end wall of the pressure cavity.

3. An electrically driven tool hammer apparatus for assisted positioning and pre-nailing of claim 2 wherein: the right end wall of the switching main cavity is connected with an adjusting main shaft which extends leftwards into the switching main cavity and rightwards into the pressure adjusting cavity in a rotating fit mode, the pressure adjusting cavity is connected with an adjusting magnetic block which is in threaded fit connection with the adjusting main shaft in a sliding fit mode, the pressure adjusting cavity is connected with a magnetic piston which is located on the right side of the adjusting magnetic block in a sliding fit mode, a pressure spring is fixedly connected between the left end face of the magnetic piston and the right end face of the adjusting magnetic block, a pressure valve magnetic block which can correspond to the magnetic piston is connected in the pressure valve magnetic block cavity in a sliding fit mode, a trigger plate is connected in the trigger cavity in a sliding fit mode, a trigger spring is fixedly connected between the lower end face of the trigger plate and the lower end wall of the trigger cavity, a contact switch which is located on the right side of the trigger spring is fixedly connected to the lower end wall of And a detection auxiliary spring is fixedly connected between the left end surface of the trigger electromagnet and the left end wall of the trigger cavity.

4. An electrically driven tool hammer apparatus for assisted positioning and pre-nailing of claim 2 wherein: the switching device is characterized in that a switching electromagnet is fixedly connected in the left end wall of the switching magnetic block cavity, the switching magnetic block corresponding to the switching electromagnet is connected in the switching magnetic block cavity in a sliding fit manner, a magnet spring is fixedly connected between the left end surface of the switching magnetic block and the left end wall of the switching magnetic block cavity, a motor spline shaft which extends leftwards into the switching main cavity and is connected with the main body box in a rotating fit manner is fixedly connected to the left end surface of the motor, a switching main shaft which extends leftwards into the switching main cavity and is connected with the switching magnetic block in a rotating fit manner is connected to the inner spline of the motor spline shaft in a matching manner, a main friction wheel fixedly connected with the switching main shaft is arranged in the switching main cavity, an adjusting friction wheel fixedly connected with the adjusting main shaft is abutted to the lower side of the main friction wheel, a torsion spring plate which is fixedly connected with the lower end wall of the switching, torsion spring board right-hand member face with fixedly connected with torsion spring between the regulation main shaft left end face, it extends to right to switch the main intracavity and extend to left in the crank carousel intracavity and be located to the left carousel axle of torsion spring board to switch the interior normal running fit of main chamber left end wall.

5. An electrically driven tool hammer apparatus for assisted positioning and pre-nailing of claim 4 wherein: an inflation friction wheel which is fixedly connected with the turntable shaft and can be abutted against the main friction wheel is arranged in the switching main cavity, a crank turntable fixedly connected with the turntable shaft is arranged in the crank turntable cavity, a cylindrical pin is fixedly connected with the left end surface of the crank turntable, a crank push rod extending downwards into the inflation cavity is connected on the cylindrical pin in a rotating fit manner, an inflation piston connected with the inflation cavity in a sliding fit manner is hinged on the lower end face of the crank push rod, the friction sliding block cavity is connected with a friction sliding block which can be connected with the adjusting friction wheel in a friction fit manner in a sliding fit manner, a friction slide block spring is fixedly connected between the lower end surface of the friction slide block and the lower end wall of the friction slide block cavity, the inflation cavity is fixedly connected with an air suction one-way valve between the inflation piston and the air suction port, and the inflation channel is fixedly connected with an inflation one-way valve.

6. An electrically driven tool hammer apparatus for assisted positioning and pre-nailing of claim 5 wherein: a limiting pull rope is fixedly connected between the lower end surface of the friction slide block and the upper end surface of the limiting slide block, a diameter detection pull rope is fixedly connected between the left end surface of the diameter detection slide block on the left side and the left end surface of the trigger electromagnet, a pressure valve magnet cavity is fixedly connected between the right end surface of the pressure valve and the upper end surface of the pressure valve magnet, the thrust of the limiting spring is greater than that of the friction slide block spring, the thrust of the detection main spring on the left side is greater than that of the detection auxiliary spring, the repulsion between the adjusting magnetic block and the triggering electromagnet after being electrified is larger than the thrust of the triggering spring, the attraction between the switching electromagnet and the switching magnetic block after being electrified is larger than the thrust of the magnet spring, the friction force between the friction sliding block and the adjusting friction wheel is larger than the elastic force of the torsion spring, the attractive force between the pressure valve magnetic block and the magnetic piston is larger than the thrust of the pressure valve spring.