阅读说明：本技术 一种可高精度定位打孔的手电钻 (Electric hand drill capable of positioning and punching with high precision ) 是由 陶金旺 于 2019-09-24 设计创作，主要内容包括：本发明涉及钻孔工装设备技术领域,且公开了一种可高精度定位打孔的手电钻,包括夹持手柄,所述夹持手柄的侧面固定安装有定位压板,所述夹持手柄的顶端设有固定支架,且固定支架的左端与夹持手柄右侧的顶部固定连接。该可高精度定位打孔的手电钻,通过夹持手柄、定位压板和固定支架之间“L”型结构的设置,由于手电钻在高速的工作过程中不可避免的会出现振动的现象,而“L”型结构使得人们手持时的受力点与定位压板的受力点距离较短,与对比文件中的手电钻相比,右手拿持夹持手柄配合左手扶住手电钻并控制其的转速,同时利用右手的手臂抵住固定支架的底端,左右手的相互配合,使得该手电钻的稳定性更高,定位的精准度更好。(The invention relates to the technical field of drilling tool equipment, and discloses an electric hand drill capable of positioning and punching at high precision. This but electric hand drill that high accuracy location punched, through the centre gripping handle, the setting of "L" type structure between positioning pressing plate and the fixed bolster, because the electric hand drill is the inevitable phenomenon that can appear the vibration in fast-speed working process, and stress point distance of stress point and positioning pressing plate when "L" type structure makes people handheld is shorter, compare with the electric hand drill in the comparison file, the electric hand drill is held to the right hand centre gripping handle cooperation left hand and is held the electric hand drill and control its rotational speed, utilize the arm of the right hand to support the bottom of fixed bolster simultaneously, the mutually supporting of the left hand and the right hand, make the stability of this electric hand drill higher, the precision of location is better.)

1. The utility model provides a but electric hand drill that high accuracy location punched, includes centre gripping handle (1), its characterized in that: a positioning pressing plate (2) is fixedly arranged on the side surface of the clamping handle (1), a fixed bracket (3) is arranged at the top end of the clamping handle (1), and the left end of the fixed bracket (3) is fixedly connected with the top part of the right side of the clamping handle (1), the outer surface of the fixed support (3) is clamped with a connecting slide block (4), the top of the connecting slide block (4) is connected with an electric hand drill (5) in a threaded manner, a transmission screw (6) is arranged inside the fixed support (3), and the outer surface of the transmission screw rod (6) is in transmission connection with the inside of the connecting slide block (4) through a transmission slide block (7), one end of the transmission screw rod (6) is movably sleeved with one side of the inner cavity of the fixed bracket (3), the other end of the transmission screw rod (6) is in transmission connection with an output shaft of a driving motor (8) fixedly arranged on the other side of the inner cavity of the fixed support (3).

2. The electric hand drill capable of positioning and punching with high precision according to claim 1, is characterized in that: the clamping handle (1), the positioning pressing plate (2) and the fixed support (3) are mutually welded to form an L-shaped structure, and a rotating speed control switch of a driving motor (8) is arranged in the clamping handle (1).

3. The electric hand drill capable of positioning and punching with high precision according to claim 1, is characterized in that: swallow-tail type spout has all been seted up to both sides around fixed bolster (3) surface, and slides the joint between fixed bolster (3) and link block (4).

4. the electric hand drill capable of positioning and punching with high precision according to claim 1, is characterized in that: the maximum movable stroke of the connecting sliding block (4) on the fixed support (3) is larger than the total length of the electric hand drill (5) after the drill bit is clamped.

Technical Field

The invention relates to the technical field of drilling tool equipment, in particular to an electric hand drill capable of positioning and punching with high precision.

Background

an electric hand drill is widely applied to industries such as buildings, decorations, furniture and the like as a handheld small-sized drilling electric tool, and simultaneously completes cutting motion and feeding motion in the drilling operation process, wherein the cutting motion is automatically completed under the action of a motor inside the electric hand drill, the feeding motion of the electric hand drill is controlled and completed through manual extrusion, but the positioning precision of the electric hand drill in the drilling process is poor due to the point contact mode between a drill bit and a drilling material, and the problem of hole position inclination caused by uneven stress of the electric hand drill is easy to occur during extrusion.

Therefore, the comparison document 1(CN108465842B) discloses an anti-deviation electric hand drill which is convenient for controlling the drilling depth, and the anti-deviation electric hand drill is attached to the surface of an object through a U-shaped top plate to position the angle and direction of a drill bit, so that the drill bit cannot deviate in the drilling feeding process, but the stress point of the handheld part of the mode is far away from the surface of the object and is not on the same horizontal line any more, and further the drill bit on the electric hand drill is easy to incline upwards in the process of extruding the electric hand drill, the stability is poor, the verticality of the hole position is low, and the problem of the existing electric hand drill is difficult to completely solve.

and document 2(CN202291508U) discloses an auxiliary device for drilling an electric hand drill, the angle and direction of a drill bit are positioned by a U-shaped bracket, and the electric hand drill is driven by a lead screw and a handle to push forward, although it can be ensured that the drill bit drills in the direction perpendicular to the surface of an object, because the electric hand drill can generate inevitable vibration during working, the electric hand drill can not be held when one hand holds the electric hand drill and rotates the handle, so that the electric hand drill has larger vibration during working, poorer stability and lower safety, and because the lead screw and the handle are longer in extension, the crossed angle of two hands is larger and a continuous active handle is needed when the electric hand drill is used, and the control difficulty is higher.

Disclosure of Invention

Technical problem to be solved

The invention provides an electric hand drill capable of positioning and punching at high precision, which has the advantages of accurate positioning, high stability and more flexible and convenient operation and control, and solves the problems that the stress point at the holding position of the electric hand drill in a comparison document 1 is far away from the surface of an object and is not on the same horizontal line any more, so that the electric hand drill and a drill bit on the electric hand drill are easy to incline upwards in the process of extruding the electric hand drill, the stability is poor, the verticality of a hole site is low, the electric hand drill cannot be held when one hand holds the electric hand drill and the handle is rotated by one hand in a comparison document 2, the vibration of the electric hand drill is large during working, the stability is poor, the safety is low, and due to the long extension of the lead screw and the handle, the crossed angle of two hands is large when the electric hand drill is used, the continuous active handle is needed, and the operation difficulty is high.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides a but electric hand drill that high accuracy location was punched, includes the centre gripping handle, the side fixed mounting of centre gripping handle has positioning pressure plate, the top of centre gripping handle is equipped with the fixed bolster, and the left end of fixed bolster and the top fixed connection on centre gripping handle right side, the surface joint of fixed bolster has link block, link block's top threaded connection has electric hand drill, the inside of fixed bolster is equipped with drive screw, and drive screw's surface passes through drive block and link block's internal transmission and is connected, drive screw's one end cup joints with one side activity of fixed bolster inner chamber, drive screw's the other end and fixed mounting are connected in the drive motor's of fixed bolster inner chamber opposite side output shaft transmission.

Preferably, the clamping handle, the positioning pressing plate and the fixing support are welded to form an L-shaped structure, and a rotating speed control switch of a driving motor is arranged in the clamping handle.

Preferably, dovetail type chutes are formed in the front side and the rear side of the outer surface of the fixed support, and the fixed support is connected with the connecting slide block in a sliding and clamping mode.

Preferably, the maximum movable stroke of the connecting sliding block on the fixed support is larger than the total length of the electric hand drill after the electric hand drill clamps the drill bit.

(III) advantageous effects

The invention has the following beneficial effects:

1. This but electric hand drill that high accuracy location punched, through the centre gripping handle, the setting of "L" type structure between positioning pressing plate and the fixed bolster, because the electric hand drill is the inevitable phenomenon that can appear the vibration in fast-speed working process, and stress point distance of stress point and positioning pressing plate when "L" type structure makes people handheld is shorter, compare with the electric hand drill in the comparison file, the electric hand drill is held to the right hand centre gripping handle cooperation left hand and is held the electric hand drill and control its rotational speed, utilize the arm of the right hand to support the bottom of fixed bolster simultaneously, the mutually supporting of the left hand and the right hand, make the stability of this electric hand drill higher, the precision of location is better.

2. This but electric hand drill that high accuracy location punched, through drive screw, transmission slider and driving motor's setting, because the drill bit does not have self-tapping phenomenon, so need artificial exerting pressure at the in-process of drilling to come the rotatory drill bit to extrude on the material of being bored, compare with the electric hand drill in the comparison file, do not need artificial rotation rim plate to drive electric hand drill and remove, can vacate the electric hand drill that the left hand held up the vibration, it is higher to make its in-process stability at drilling, control more humanized and nimble reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

Fig. 2 is a top view of the structural fixing bracket of the present invention.

In the figure: 1. a clamping handle; 2. positioning a pressing plate; 3. fixing a bracket; 4. connecting the sliding block; 5. an electric hand drill; 6. a drive screw; 7. a transmission slide block; 8. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-2, a high-precision positioning and punching electric hand drill, which comprises a clamping handle 1, a positioning pressing plate 2 is fixedly installed on the side surface of the clamping handle 1, a fixed support 3 is arranged on the top end of the clamping handle 1, the left end of the fixed support 3 is fixedly connected with the top of the right side of the clamping handle 1, a connecting slide block 4 is connected with the outer surface of the fixed support 3 in a clamping manner, the top of the connecting slide block 4 is in threaded connection with an electric hand drill 5, a transmission screw 6 is arranged inside the fixed support 3, the outer surface of the transmission screw 6 is in transmission connection with the inside of the connecting slide block 4 through a transmission slide block 7, one end of the transmission screw 6 is movably sleeved with one side of the inner cavity of the fixed support 3, and the other end of the transmission screw 6 is in.

Wherein, to the setting of positioning pressure plate 2 and fixed bolster 3, can carry out accurate vertical location operation to electric hand drill 5, make its in-process in drilling can not appear the problem of slope about, and then cause the straightness that hangs down of hole site higher, accurate nature is better, makes the drill bit can only receive perpendicular pressure inwards moreover, and is higher to the protectiveness of drill bit, can not lead to its problem of appearing damaging because of the atress is inhomogeneous at the in-process of drilling, the effectual practicality and the reliability that improve this electric hand drill.

Among this technical scheme, mutual welding and formation "L" type structure between centre gripping handle 1, location clamp plate 2 and the fixed bolster 3, and be equipped with driving motor 8's rotational speed control switch in centre gripping handle 1's inside.

Wherein, to centre gripping handle 1, become the setting of "L" type structure between positioning pressure plate 2 and the fixed bolster 3, when the device is handed to the right hand and the material of extrusion by drilling, the stability of structure is higher, fix a position more accurately, utilize the rotational speed control switch in the centre gripping handle 1 to adjust electric hand drill 5's feed speed simultaneously, and the rotational speed of holding electric hand drill 5 and controlling it is held up to the cooperation left hand, the mutually supporting of left and right hand, make the design of this electric hand drill use more humanized, control more nimble convenience, stability and security are higher at the in-process that uses this electric hand drill.

In this technical scheme, the swallow-tail type spout has all been seted up to both sides around the fixed bolster 3 surface, and slides the joint between fixed bolster 3 and the link block 4.

Wherein, the setting to dovetail spout around fixed bolster 3 for the precision when link block 4 makes a round trip to slide on fixed bolster 3 is higher, has improved wearing and tearing and bearing capacity between fixed bolster 3 and the link block 4, and at long-term in-process that makes a round trip to wear, excessive wearing and tearing can not appear and lead to the relatively poor problem of sliding positioning of electric hand drill 5, have guaranteed its life when keeping this electric hand drill work precision.

In the technical scheme, the maximum movable stroke of the connecting slide block 4 on the fixed support 3 is larger than the total length of the electric hand drill 5 after clamping the drill bit.

Wherein, to the setting of the biggest movable stroke of connecting block 4 and electric hand drill 5 length for electric hand drill 5 has sufficient side to side gliding space on fixed bolster 3, makes its total length can not exceed the left side of location clamp plate 2 after the installation drill bit, and then makes the laminating that location clamp plate 2 can be inseparable on the material by the drilling, can not appear the phenomenon that the top of location clamp plate 2 was jacked up because of the drill bit overlength.

The use method and the working principle of the embodiment are as follows:

Firstly, a drill bit on an electric hand drill 5 is changed into a required specification and model, then a right hand holds a clamping handle 1 to tightly attach a positioning pressing plate 2 to the surface of a material, and simultaneously holds the position of the rear half part of the electric hand drill 5 by utilizing the action, then a rotating speed control switch on the clamping handle 1 is pressed, a driving motor 8 is started to drive a transmission screw 6 to rotate and slowly align the top ends of the connecting slide block 4, the electric hand drill 5 and the drill bit on the electric hand drill 5 to the position needing drilling under the screw transmission action of a transmission slide block 7, then the left hand is used to stir the starting switch on the electric hand drill 5 to drive the drill bit on the electric hand drill to rotate at high speed, simultaneously the rotating speed control switch on the clamping handle 1 is adjusted to drive the electric hand drill 5 to slowly move inwards to realize the drilling operation, and the electric hand drill 5 always moves horizontally on a fixed support 3 in, the phenomenon of action slope can not appear, the effectual precision that has improved this electric hand drill location of punching.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.