CN111283431A

CN111283431A - Movable magnetic drill and bench drill with replaceable electric drill assembly and without guide rail

Info

Publication number: CN111283431A
Application number: CN202010132006.XA
Authority: CN
Inventors: 曾卫民
Original assignee: Qineng Technology Guangzhou Co Ltd
Current assignee: Qineng Technology Guangzhou Co Ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2020-06-16

Abstract

The invention relates to the field of machine tools and metal processing tools, in particular to a movable magnetic drill and a bench drill which can be used for replacing an electric drill assembly and have no guide rail. The purpose is to solve the following problems: the existing magnetic drill can work only by connecting wires; and many fittings, the cost is high; and the existing magnetic drill is narrow in application range and cannot be suitable for working environments with different requirements on torque. Including magnetism seat and aircraft nose clamp, be equipped with fixed connection's rack on the magnetism seat, the aircraft nose clamp is equipped with first mounting hole and second mounting hole and the third mounting hole that the level runs through this main part that runs through its main part from top to bottom, the rack is in first mounting hole sliding connection, be equipped with fixed connection's power take off in the second mounting hole, still including being in the third mounting hole rather than clearance fit's control shaft, the main part middle part of control shaft is equipped with the teeth of a cogwheel that encircles its main part, the control shaft is connected with rack toothing, the one end of control shaft is equipped with fixed connection's control piece.

Description

Movable magnetic drill and bench drill with replaceable electric drill assembly and without guide rail

Technical Field

The invention relates to the field of machine tools and metal processing tools, in particular to a movable magnetic drill and a bench drill which can be used for replacing an electric drill assembly and have no guide rail.

Background

The magnetic drill is also called as a magnetic drill and a magnet drill, and after the magnetic drill is electrified, the bottom of the magnetic drill changes to generate a magnetic field which is absorbed on a steel structure, and then a motor of the magnetic drill runs at a high speed to drive a drill bit, so that the steel structure is drilled.

The magnetic drill is the urgent need for the magnetic drill generated in the field practical work of people: firstly, people need to precisely punch and tap as an indoor machine tool when wanting to work in the field and at high altitude, but a common hand tool cannot achieve precision; secondly to perpendicular steel construction tapping that punches to and when the tapping is punched in the needs handstand, people need consume a large amount of physical power and fix the drilling machine, perhaps can't fix at all and punch. The magnetic seat drill is light in weight, suitable for field and high-altitude operation, capable of being adsorbed on a steel structure by self during drilling and tapping and free of a tool for fixing by people, and therefore the magnetic seat drill is born.

Although the existing magnetic drill is convenient to move, an electric wire needs to be pulled to a working post so as to enable the magnetic drill to be communicated with a power supply, and the use of the electric wire can generate certain interference and potential danger on work; the structure of the transmission part of the existing magnetic drill is that a motor part is arranged on a slide piece through a guide rail and the slide piece connected with the guide rail so that the motor can slide up and down, and meanwhile, the whole transmission part has more components and high cost; in addition, a motor or a power output part of the magnetic seat drill is fixed and cannot be replaced, the application range is narrow, the rotating speed of the motor is adjusted when the torque is required to be adjusted, the existing magnetic seat drill cannot be applied when different requirements on the torque are required according to the application scene, and only the whole magnetic seat drill can be replaced, and the magnetic seat drill with larger and smaller torque can be replaced. The above problems have existed since the birth of the magnetic drill and have not been solved.

In addition, the existing bench drill also has the same problems as the magnetic seat drill: need to connect the electric wire, it is many to constitute the accessory simultaneously, is inconvenient to trade the motor.

Disclosure of Invention

The purpose of the invention is to solve the following problems: the existing magnetic drill needs to be connected with a wire to work, and the wire can generate certain interference on the working efficiency and the working content and has potential danger;

the sliding part of the existing magnetic drill main body at least needs a guide rail and a sliding piece connected with the guide rail, and other main bodies are arranged on the sliding piece, so that more accessories are needed, and the cost is high;

the conventional magnetic seat drill has a narrow application range, and the power output of the constant torque cannot be suitable for working environments with different requirements on the torque by adopting a method for adjusting the rotating speed of a motor in the prior art.

In order to solve the technical problem, the movable magnetic drill with the replaceable electric drill assembly and no guide rail comprises a magnetic seat and a machine head clamp, wherein the magnetic seat is provided with a fixedly connected rack,

the machine head clamp is provided with a first mounting hole and a second mounting hole which vertically penetrate through the main body of the machine head clamp, and a third mounting hole which horizontally penetrates through the main body,

the rack is positioned in the first mounting hole and is connected in a sliding way, the second mounting hole is internally provided with a power output device which is fixedly connected,

the gear is characterized by further comprising a control shaft which is arranged in the third mounting hole and is in clearance fit with the third mounting hole, gear teeth surrounding the main body of the control shaft are arranged in the middle of the main body of the control shaft, the control shaft is meshed with the rack and is connected with the rack, and a fixedly connected control piece is arranged at one end of the control shaft.

As a preferable embodiment of the guide-rail-free movable magnetic drill with an exchangeable electric drill assembly of the present invention, a hollow groove is formed in the head holder at a position overlapping the third mounting hole, the hollow groove is communicated with the first mounting hole, and the teeth of the control shaft are located in the hollow groove.

As a preferred embodiment of the guide-rail-free movable magnetic drill with the electric drill assembly replaceable, the magnetic base is provided with a fixedly connected battery, and the battery is connected with the power output device through a wire.

As a preferred embodiment of the movable magnetic drill chuck without a guide rail of the electric drill exchangeable assembly of the present invention, the other end of the control shaft is provided with a fixedly connected elastic means.

As a preferred embodiment of the movable drill magnet of the present invention, which is a removable drill assembly and has no guide rail, the elastic means is a spiral spring.

In a preferred embodiment of the removable drill magnet of the present invention, the drill head holder has a body with a vertical extension at the first mounting hole.

In a preferred embodiment of the removable magnetic drill with guide rail and exchangeable electric drill assembly of the present invention, the first mounting hole has a length greater than that of the second mounting hole.

As a preferred embodiment of the removable magnetic drill chuck without guide rail of the electric drill exchangeable assembly of the present invention, the chuck is formed by splicing at least two equal halves of the chuck body, which are longitudinally separable, in a fixed connection.

As a preferred embodiment of the movable magnetic drill with an electric drill assembly capable of being changed and without a guide rail, the power output device comprises a motor, a reduction box and a drill chuck which are fixedly connected in sequence from top to bottom, a motor cover fixedly connected with a machine head clamp is arranged above the motor, a switch piece fixedly connected with the motor cover is arranged in the motor cover,

the battery is connected with the switch piece through a lead, and the switch piece is connected with the motor.

The invention relates to a movable bench drill capable of replacing an electric drill assembly and without a guide rail, which is characterized in that a magnetic base of the movable magnetic base drill capable of replacing the electric drill assembly and without the guide rail is replaced by a bottom plate.

Advantageous effects

The invention has the following innovative advantages:

1. the invention realizes that the existing magnetic drill and bench drill can work without wires, thus reducing certain interference and potential danger of wire pairs on work;

2. the invention has ingenious design, replaces the problems of numerous existing magnetic drill fittings and high cost by a small number of fittings, has durable quality and is not easy to damage;

3. the traditional magnetic drill or bench drill adopts the guide rail and the sliding piece together to realize the up-and-down sliding adjustment, the invention realizes no guide rail, realizes the great reduction of the cost and the material,

4. the fittings of the invention are matched with each other tightly, and the integral stability is high;

5. the machine head clamps the extending protrusion, so that the machine head slides and is not easy to shake at an angle;

6. the invention realizes that the power output device can be replaced, and the power output device can be quickly replaced by power output devices with different rotating speeds and torques, so that the power is output at constant power, the invention has wide application range, is suitable for different working conditions, and has higher tapping and drilling capabilities.

7. Convenient movement, light operation and wide application range.

Drawings

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

FIG. 2 is a front view of embodiment 1 of the present invention;

FIG. 3 is a schematic reverse view of example 1 of the present invention;

FIG. 4 is an exploded view of example 1 of the present invention;

FIG. 5 is a schematic perspective view in half section of FIG. 1;

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is an enlarged partial view of portion "A" in FIG. 1;

fig. 8 is a partially enlarged view of a portion "B" in fig. 5;

fig. 9 is a partially enlarged view of a portion "C" in fig. 6;

FIG. 10 is a perspective view of a "core clip" component of the present invention;

FIG. 11 is an exploded schematic view of FIG. 10;

FIG. 12 is an enlarged partial view of portion "D" of FIG. 11;

FIG. 13 is a schematic perspective view of embodiment 2 of the present invention;

in the figure: 1. the magnetic chuck comprises a magnetic pedestal, 2 parts of a rack, 3 parts of a first mounting hole, 4 parts of a second mounting hole, 5 parts of a third mounting hole, 6 parts of a head clamp, 7 parts of a control shaft, 8 parts of gear teeth, 9 parts of an operating piece, 10 parts of a hollow groove, 11 parts of a battery, 12 parts of a lead, 13 parts of an elastic device, 14 parts of an extending part, 15 parts of a motor, 16 parts of a reduction gearbox, 17 parts of a drill chuck, 18 parts of a motor cover, 19 parts of a switch, 20 parts of a rack seat and 21 parts of a bottom plate.

Detailed Description

The invention is further illustrated by the following figures and examples.

Example 1

As shown in fig. 1 to 12, the movable magnetic drill with an exchangeable electric drill assembly and no guide rail of the present invention includes a magnetic base 1, a rack 2 and a battery 11 are fixedly mounted on the magnetic base 1, and the battery 11 may also be mounted at other positions on the side surface of the magnetic base 1; the rack 2 can be directly and fixedly connected with the magnetic base 1, and the preferred embodiment in the embodiment is as follows: firstly, a rack seat 20 fixedly connected with the magnetic seat 1 is installed on the magnetic seat 1, the rack seat 20 and the magnetic seat 1 can be fixedly connected by welding or bolts, and then the rack 2 is installed on the rack seat 20, so that the fixed connection between the rack 2 and the magnetic seat 1 is more stable;

the machine head clamp device further comprises a machine head clamp 6, wherein the machine head clamp 6 is a whole, and the preferable mode in the embodiment is as follows: the at least two equal half main bodies which can be longitudinally separated are spliced in a fixed connection mode, and the two equal half main bodies which can be longitudinally separated are connected in a screw or bolt mode; the main body of the machine head clamp 6 is provided with a first mounting hole 3 and a second mounting hole 4 which penetrate through the main body in the vertical direction, and a third mounting hole 5 which penetrates through the main body horizontally, then a hollow groove 10 is arranged at the position where the inner part of the machine head clamp 6 is overlapped with the third mounting hole 5, the hollow groove 10 is communicated with the first mounting hole 3, the hollow groove 10 can be square or round or other bodies, the size of the hollow groove 10 is larger than that of the third mounting hole 5, and then the first mounting hole 3, the second mounting hole 4 and the third mounting hole 5 are internally provided with matched parts; the rack 2 is arranged in the first mounting hole 3 and is connected with the first mounting hole in a sliding manner, the second mounting hole 4 is internally provided with a power output device fixedly connected with the second mounting hole, the battery is connected with the power output device through a lead 12, meanwhile, the third mounting hole 5 is internally provided with a control shaft 7 in clearance fit with the third mounting hole, the middle part of the main body of the control shaft 7 is provided with gear teeth 8 surrounding the main body, the gear teeth 8 are arranged in a hollow groove 10, and the distance from the circle center of the third mounting hole 5 to the teeth on the side surface of the rack 2 is equal to or close to the distance from the circle center of the control shaft 7 to the gear teeth 8, so that the gear teeth 8 can be meshed and connected with the; the gear teeth 8 arranged on the main body of the control shaft 7 can be replaced by gears in the implementation production, and the gears are positioned in the hollow grooves 10; the whole machine takes the magnetic seat 1 as a base, the rack 2 as a supporting main body, the machine head clamp 6 is connected with the rack in a sliding way, the rack 2 is taken as a sliding rail, and the control shaft 7 is connected with the rack 2 in a meshing way to adjust the vertical sliding of the machine head clamp 6; an operating piece 9 fixedly connected with the control shaft 7 is arranged at one end of the control shaft 7, the operating piece 9 is a handle or an operating lever or other components with rotating functions, an elastic device 13 fixedly connected with the control shaft 7 is arranged at the other end of the control shaft 7, the elastic device 13 is a clockwork spring or other components with the same functions as the clockwork spring, the control shaft 7 is adjusted through the operating piece 9 to be meshed and connected with the rack 2 so as to adjust the vertical sliding of the nose clamp 6, the nose clamp 6 can be reset after the external force action is released, and the function of preventing the nose clamp 6 from naturally falling is also realized; in order to reduce the sliding connection between the machine head clamp 6 and the rack 2 to be more stable, the main body of the machine head clamp 6 is provided with a vertical extending part 14 at the position of the first mounting hole 3, so that the size of the position of the machine head clamp 6 is increased, the length of the first mounting hole 3 is larger than that of the second mounting hole 4, the contact surface of the first mounting hole 3 and the rack 2 is prolonged, the sliding connection between the machine head clamp 6 and the rack 2 is realized, the angle is not easy to shake, and the stability is improved;

the power output device comprises a motor 15, a reduction gearbox 16 and a drill chuck 17 which are sequentially and fixedly connected from top to bottom, the motor 15 is arranged in the second mounting hole 4, and the mounting and dismounting modes are as follows: the machine head clamp 6 can be longitudinally divided into at least two equal half main bodies, when the two half main bodies are opened, the motor 15 is installed in the second installation hole 4, and then the two equal half main bodies are spliced and installed to enable the motor 15 to be installed in the second installation hole 4 and fixedly connected or detachably connected with the machine head clamp 6; a motor cover 18 fixedly connected with the machine head clamp 6 is further arranged above the motor 15, a switch piece 19 fixedly connected with the motor cover 18 is arranged in the motor cover 18, the battery 11 is connected with the switch piece 19 through a lead 12, and the switch piece 19 is connected with the motor 15.

Example 2

As shown in fig. 13, the present invention is a portable bench drill without a guide rail, which is capable of changing a drill unit into a bench drill by replacing a magnetic chuck 1 with a base plate 21 in addition to example 1.

The above two embodiments have been described with reference to the accompanying drawings, but these descriptions should not be construed as limiting the scope of the invention, which is defined by the appended claims, and it is intended that the adjustment be effected by the cooperation of the head clamp, the rack and the power take-off and the control shaft, or by changing the shape of the head clamp, and any modification based on the claims.

Claims

1. The movable magnetic drill without the guide rail and with the replaceable electric drill assembly is characterized by comprising a magnetic base and a machine head clamp, wherein the magnetic base is provided with a fixedly connected rack,

2. The removable electric drill assembly and guiderail-less magnetic drill chuck according to claim 1, wherein a hollow groove is formed in the chuck holder at a position overlapping the third mounting hole, the hollow groove communicates with the first mounting hole, and the teeth of the control shaft are located in the hollow groove.

3. The removable electric drill assembly and guiderail-less magnetic drill stand according to claim 1, wherein the magnetic stand is provided with a fixedly connected battery, the battery being connected to the power take-off via a wire.

4. The removable electric drill assembly and guiderail-less magnetic drill bit of claim 1 wherein the other end of the control shaft is provided with a fixedly attached resilient means.

5. The removable electric drill assembly and guiderail-less drill magnet as recited in claim 4, wherein said resilient means is a clockwork spring.

6. The removable electric drill assembly and guideless magnetic drill bit of claim 1 wherein the body of the bit holder is provided with a vertical extension at the location of the first mounting hole.

7. The removable electric drill assembly and guiderail-less magnetic drill bit of claim 6 wherein the first mounting hole is longer than the second mounting hole.

8. The removable drill assembly and guideless portable magnetic drill according to claim 1 or 2 or 6 or 7, wherein the chuck is formed by joining at least two equal halves of a body that are longitudinally separable in a fixed connection.

9. The removable magnetic drill holder without the guide rail and with the electric drill assembly as claimed in claim 1 or 3, wherein the power output device comprises a motor, a reduction box and a drill chuck fixedly connected in sequence from top to bottom, a motor cover fixedly connected with the machine head clamp is arranged above the motor, a switch member fixedly connected with the motor cover is arranged in the motor cover,

10. A movable bench drill without a guide rail and capable of replacing an electric drill assembly, which is characterized in that the magnetic base in claim 1 is replaced by a bottom plate.