Auxiliary punching device of electric hand drill

Abstract

The utility model belongs to the technical field of machinery, and provides an electric hand drill auxiliary punching device which comprises a base, a vertical rod, a support and a clamping mechanism, the support comprises a vertical sliding steel pipe and a horizontal supporting steel pipe, and the vertical sliding steel pipe is connected with the horizontal supporting steel pipe in a welded mode; an opening is formed in the center of the base, the center of one side of the top end of the base is perpendicularly welded to the bottom end of the vertical rod, the vertical sliding steel pipe is arranged outside the vertical rod in a sleeving mode, one end of the horizontal supporting steel pipe is connected with the clamping mechanism, the clamping mechanism is located over the opening of the base, and the electric hand drill is placed in the clamping mechanism. The punching device is simple in structure, easy to manufacture, capable of punching more stably and more accurately, capable of eliminating potential safety hazards while improving the machining efficiency, simple in structure, easy to manufacture and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field, specifically relates to a hand drill auxiliary punching device. BACKGROUND

[0002] The hand drill is a kind of common hand-held electric drilling tool, is widely used in mechanical manufacturing and construction field, and is processed to material by installing different types of drill bits.In reality, when the hand drill is punched, the hole position is inclined due to the high-speed rotation of electric drill and human operation error, so that the processing is not up to standard, and when tapping is carried out using the hand drill, the tap is often broken due to improper operation, and there is a security risk.Therefore, the current market lacks a kind of hand drill auxiliary punching device which is simple to manufacture, convenient to operate and safe and reliable. UTILITARY MODEL CONTENT

[0003] To solve the problems in the prior art, the utility model provides a kind of hand drill auxiliary punching device to solve the hole position of existing hand drill when drilling is prone to deviation and the problem that tap is often broken due to improper operation when tapping.

[0004] The utility model adopts the following technical scheme.

[0005] A kind of hand drill auxiliary punching device, including base, stand, support and clamping mechanism, the support includes vertical sliding steel pipe and horizontal support steel pipe, vertical sliding steel pipe is welded with horizontal support steel pipe connection;

[0006] The center of the base is provided with an opening, and the center of the top end of the base is vertically welded with the bottom end of the stand, the vertical sliding steel pipe is sleeved on the outside of the stand, one end of the horizontal support steel pipe is connected with the clamping mechanism, and the clamping mechanism is located directly above the opening of the base, and the hand drill is placed in the clamping mechanism;

[0007] The hand drill auxiliary punching device further includes spring mechanism and operating mechanism, the top end of the spring mechanism is connected with the stand, and the bottom end is connected with the vertical sliding steel pipe;The operating mechanism includes first rotating shaft, first support, second rotating shaft, third rotating shaft and rocker, one side of the first rotating shaft is welded with the outer side of the base, one end of the first support is connected with the first rotating shaft, the other end is connected with the rocker through the second rotating shaft, and the middle part of the rocker is connected with the horizontal support steel pipe through the third rotating shaft.

[0008] Further, the support is T-shaped structure, and the middle parts of the horizontal support steel pipe and the vertical sliding steel pipe are vertically welded.

[0009] Further, the vertical sliding steel pipe and the horizontal support steel pipe are both square steel pipes, and the inner diameter of the vertical sliding steel pipe is adapted to the outer diameter of the stand.

[0010] Further, the clamping mechanism is a clamp structure, one side of the clamp is welded with the horizontal support steel pipe, and the inner side of the clamp is provided with an antiskid rubber pad.

[0011] Further, the spring mechanism comprises a first fixing component, a second fixing component and a spring, one end of the first fixing component is welded with the vertical rod at a position close to the top end, one end of the second fixing component is welded with the vertical sliding steel pipe, and the second fixing component is located at a side of the vertical sliding steel pipe away from the base;

[0012] The top end of the spring is fixedly connected with the first fixing component, and the bottom end of the spring is fixedly connected with the second fixing component.

[0013] Further, the end of the rocker away from the second rotating shaft is provided with a handle.

[0014] Further, the base is a rectangular steel plate, and four corner points at the bottom of the rectangular steel plate are provided with casters.

[0015] The device provided by the utility model has the advantages that, compared with the prior art, the device can more stably and accurately perform punching when the electric hand drill is used, can better control the perpendicularity of the drill bit and the processing surface, stably performs drilling so that the drill bit is not prone to breakage, improves the processing efficiency, eliminates the safety hazard, has a simple structure, is easy to manufacture, and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structure schematic view of the electric hand drill auxiliary punching device provided by the utility model;

[0017] Fig. 2 is a schematic view of the connection of the bracket and the rocker provided by the utility model;

[0018] Fig. 3 is a schematic view of the connection of the electric hand drill auxiliary punching device and the electric hand drill provided by the utility model.

[0019] In the drawing: 1-base; 2-vertical rod; 3-bracket; 31-vertical sliding steel pipe; 32-horizontal support steel pipe; 4-clamping mechanism; 5-spring mechanism; 51-first fixing component; 52-second fixing component; 53-spring; 6-operation mechanism; 61-first rotating shaft; 62-first branch; 63-second rotating shaft; 64-third rotating shaft; 65-rocker DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described clearly and completely in combination with the drawings in the utility model embodiments below. The embodiments described in the application are only a part of the embodiments of the utility model, not all the embodiments. All other embodiments obtained by those skilled in the art without creative labor based on the spirit of the utility model belong to the protection scope of the utility model.

[0021] As Figs. 1-3 The utility model provides a hand drill auxiliary punching device by base 1, stand 2, support 3, clamping mechanism 4, spring mechanism 5 and operating mechanism 6 etc. parts, base 1 is rectangular steel sheet, and the central position is opened, for the convenience of moving, installs the truckle at the four corner points at the bottom of rectangular steel sheet. Stand 2 is square steel tube, and is perpendicular to weld in the central part of the top end one side of base 1. Support 3 is T-shaped structure, and is welded from vertical sliding steel pipe 31 and horizontal support steel pipe 32, and vertical sliding steel pipe 31 and horizontal support steel pipe 32 are square steel tubes, and horizontal support steel pipe 32 is perpendicular to weld with the middle part of vertical sliding steel pipe 31. The inner diameter of vertical sliding steel pipe 31 is adapted to the outer diameter of stand 2, and it is appropriate that the difference is 1 ~ 2mm, on the basis of meeting along the smooth sliding of stand 2, angle deviation is ensured not to occur.

[0022] One side of clamping mechanism 4 is welded with the end of horizontal support steel pipe 32, and clamping mechanism 4 is the clamp structure, to enhance the clamping effect of the clamp to hand drill, can increase the antiskid rubber pad in the inside of the clamp.

[0023] Spring mechanism 5 includes first fixed part 51, second fixed part 52 and spring 53, one end of first fixed part 51 is welded with the position close to the top end of stand 2, one end of second fixed part 52 is welded with vertical sliding steel pipe 31, and second fixed part 52 is located on the side of vertical sliding steel pipe 31 away from base 1. The top end of spring 53 is fixedly connected with first fixed part 51, and the bottom end of spring 53 is fixedly connected with second fixed part 52. First fixed part 51 and second fixed part 51 can select screw structure, and the two ends of spring 53 are fixedly connected with first fixed part 51 and second fixed part 52 respectively through double nuts.

[0024] Operating mechanism 6 is composed of first rotation shaft 61, first support 62, second rotation shaft 63, third rotation shaft 64 and rocker 65. One side of first rotation shaft 61 is welded on the outside of base 1, and first support 62 is square steel tube, and two ends are hingedly connected with first rotation shaft 61 and second rotation shaft 63 respectively. One end of rocker 65 is hingedly connected with first support 62 through second rotation shaft 63, and the middle part of rocker 65 is hingedly connected with horizontal support steel pipe 32 through third rotation shaft 64. The hand holding end of rocker 65 is provided with handle for convenient holding.

[0025] In a preferred but non-limiting embodiment, the first rotating shaft 61 is composed of a long nut, a matched bolt and a gasket, the long nut is horizontally welded to the outer side of the base 1, the matched bolt is screwed into the long nut through the gasket and the lower end of the first supporting rod 62. The second rotating shaft 63 and the third rotating shaft 64 are each composed of a nut, a matched bolt, a gasket and a matched nut. The first nut is welded to the end of the rocker 65 away from the handle, the second nut is welded to the end of the first supporting rod 62 away from the first rotating shaft 61, the third nut is welded to the middle side of the rocker 65, and the fourth nut is welded to the corresponding position of the horizontal supporting steel pipe 32. The matched bolt of the second rotating shaft 63 passes through the gasket, the rocker 65, the first nut, the second nut and the first supporting rod 62, and is connected with the matched nut. The matched bolt of the third rotating shaft 64 passes through the gasket, the rocker 65, the third nut and the fourth nut, and is connected with the matched nut.

[0026] In use, first, the casters in the base 1 are fixed to ensure that the material processing process does not displace; then the electric drill is fixed in the clamping mechanism 4, generally at the root of the drill chuck, the clamp bolt is tightened to ensure effective clamping; the material to be processed is placed on the processing platform of the base 1; the rocker 65 is pressed down to realize the vertical movement of the support 3 along the vertical rod 2, and the drilling operation of the electric drill on the material is realized; after the drilling is completed, the rocker 65 is released, and the support 3 can be reset under the action of the spring 53.

[0027] The utility model discloses can be more stable, more accurate when using electric drill to punch, can better control the perpendicularity of drill bit and processing surface, stably drill hole makes the drill bit not easy to break, improves the processing efficiency, eliminates the security risk at the same time, and the structure is simple, easy to make, and the practicality is strong.

[0028] Finally, it should be noted that the above embodiments are used to illustrate the technical solutions of the utility model, but not to limit them. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that the specific embodiments of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the utility model. Any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be covered in the protection scope of the claims of the utility model.

Claims

1. A drilling auxiliary device for electric drills, comprising a base (1), a vertical rod (2), a bracket (3), and a clamping mechanism (4), characterized in that: The support (3) includes a vertical sliding steel pipe (31) and a horizontal support steel pipe (32), and the vertical sliding steel pipe (31) and the horizontal support steel pipe (32) are welded together; The base (1) has an opening in the center. The center of one side of the top of the base (1) is vertically welded to the bottom of the upright (2). The vertical sliding steel pipe (31) is sleeved on the outside of the upright (2). One end of the horizontal support steel pipe (32) is connected to the clamping mechanism (4). The clamping mechanism (4) is located directly above the opening of the base (1). The electric drill is placed inside the clamping mechanism (4). The electric drill auxiliary drilling device also includes a spring mechanism (5) and an operating mechanism (6). The top of the spring mechanism (5) is connected to the upright rod (2), and its bottom is connected to the vertical sliding steel pipe (31). The operating mechanism (6) includes a first rotating shaft (61), a first support rod (62), a second rotating shaft (63), a third rotating shaft (64), and a rocker arm (65). One side of the first rotating shaft (61) is welded to the outer side of the base (1). One end of the first support rod (62) is hinged to the first rotating shaft (61), and the other end is hinged to the rocker arm (65) through the second rotating shaft (63). The middle part of the rocker arm (65) is hinged to the horizontal support steel pipe (32) through the third rotating shaft (64).

2. The hand drill-assisted drilling device according to claim 1, characterized in that: The bracket (3) is a T-shaped structure, with the horizontal support steel pipe (32) and the vertical sliding steel pipe (31) welded vertically to the middle part.

3. The hand drill auxiliary drilling device according to claim 2, characterized in that: Both the vertical sliding steel pipe (31) and the horizontal support steel pipe (32) are square steel pipes, and the inner diameter of the vertical sliding steel pipe (31) is adapted to the outer diameter of the upright (2).

4. The hand drill auxiliary drilling device according to claim 1, characterized in that: The clamping mechanism (4) is a clamp structure. One side of the clamp is welded to the horizontal support steel pipe (32), and the inner side of the clamp is provided with an anti-slip rubber pad.

5. The hand drill auxiliary drilling device according to claim 1, characterized in that: The spring mechanism (5) includes a first fixing component (51), a second fixing component (52) and a spring (53). One end of the first fixing component (51) is welded to the top of the upright (2), and one end of the second fixing component (52) is welded to the vertical sliding steel pipe (31). The second fixing component (52) is located on the side of the vertical sliding steel pipe (31) away from the base (1). The top end of the spring (53) is fixedly connected to the first fixing part (51), and the bottom end of the spring (53) is fixedly connected to the second fixing part (52).

6. The hand drill auxiliary drilling device according to claim 1, characterized in that: The rocker arm (65) has a handle at the end away from the second pivot (63).

7. The hand drill auxiliary drilling device according to claim 1, characterized in that: The base (1) is a rectangular steel plate, and casters are installed at the four corners of the bottom of the rectangular steel plate.

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