CN217018741U

CN217018741U - Movable magnetic drill jig

Info

Publication number: CN217018741U
Application number: CN202122438743.5U
Authority: CN
Inventors: 苗丽娟; 任晓辉; 秦炳甲
Original assignee: Henan Diesel Engine Industry Co Ltd
Current assignee: Henan Diesel Engine Industry Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-07-22
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a movable magnetic drill jig which comprises a magnetic suction seat and a drill jig seat; the shell of the magnetic suction seat is a magnetizer, the middle part of the magnetic suction seat is provided with a non-magnetic conductive plate which is penetrated up and down, the non-magnetic conductive plate divides the shell into a left magnetizer and a right magnetizer which are independent, and a rotatable magnetic conductive switch is arranged in the magnetic suction seat; the magnetic conduction switch is a cylindrical permanent magnet, and two stages of the permanent magnet are respectively positioned at two radial ends of the cylindrical body; the drill jig seat comprises a bottom plate part and a vertical plate part, the vertical plate part is used for connecting the side wall of the magnetic suction seat, a pin hole and a drill jig hole are formed in the bottom plate part, a guide sleeve is arranged in the drill jig hole, and a drill bit guide hole is formed in the guide sleeve; the magnetic suction seat is used for being fixed on a workpiece through magnetic force adsorption of the bottom surface, so that the guide hole of the drill bit is aligned with the position of a hole to be machined in the workpiece; the magnetic conduction switch is used for controlling the magnetic attraction or the release of the magnetic force on the bottom surface of the magnetic attraction seat through rotating in the magnetic attraction seat. The utility model has the advantages of simple structure, convenient operation and low cost.

Description

Movable magnetic drill jig

Technical Field

The utility model belongs to the technical field of engine manufacturing, and relates to a movable magnetic drill jig.

Background

In the process of assembling the engine, some parts are connected to be assembled after positioning of the positioning pin, large-scale special drilling mechanical equipment such as a drilling machine cannot be used due to the limitation of the position between the operation space of an assembly site and the engine parts, the positioning pin hole needs to be drilled in a site matching mode, and the site matching drilling of the inclined positioning pin hole is not easy to guarantee the position accuracy. In order to guarantee the accuracy of drilling, a complex drilling tool clamp needs to be equipped during drilling, and multiple people are needed to cooperate, so that the operation is very complicated, and the working efficiency is seriously influenced. In addition, because the position, size, the angle design of hole are different on the engine body, need design multiple drilling frock clamp, lead to drilling frock clamp variety various, but the used repeatedly number of times is limited, causes very big waste.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model provides a movable magnetic drill jig, and aims to replace a complex tool by using a magnetic type fixing seat with a switch function, control the adsorption of magnetic force through a switch, and install a drill jig seat on the magnetic type fixing seat to realize the movable drill jig.

In order to achieve the purpose, the utility model provides the following technical scheme:

a movable magnetic drill jig comprises a magnetic suction seat and a drill jig seat;

the magnetic suction seat shell is a magnetizer and is used for being adsorbed on a workpiece through magnetic force, a horizontal round hole is formed in the center of the magnetizer, and a magnetic conduction switch is rotatably inserted in the round hole; a square groove which is communicated up and down is arranged in the middle of the magnetic suction seat, a non-magnetic conductive plate is arranged in the square groove, and the non-magnetic conductive plate divides the shell into a left magnetic conductor and a right magnetic conductor which are independent; the magnetic conduction switch body is a cylindrical permanent magnet, and two stages of the permanent magnet are respectively positioned at two radial ends of the cylindrical body;

the cross section of the drill jig seat is L-shaped and comprises a bottom plate part and a vertical plate part, the vertical plate part is used for connecting the side wall of the magnetic suction seat, a pin hole and a drill jig hole are formed in the bottom plate part, the pin hole is a threaded hole and used for being screwed with a set screw, a guide sleeve is arranged in the drill jig hole, and a drill bit guide hole is formed in the guide sleeve; the top of the set screw is provided with a circular truncated cone, and the lower surface of the circular truncated cone is used for pressing against the top surface of the guide sleeve when the set screw is screwed into the pin hole so as to press and fix the guide sleeve;

the magnetic suction seat is used for being fixed on a workpiece through bottom surface magnetic force adsorption, so that the drill guide hole is aligned to the position of a hole to be processed on the workpiece; the magnetic conduction switch is used for controlling the magnetic attraction or release of the bottom surface of the magnetic attraction seat through being inserted in the round hole to rotate.

And as further optimization, the cover plate is detachably connected on the end surface of one side of the magnetic suction seat shell, which is connected with the magnetic conduction switch, through a screw.

Preferably, a handle for screwing is further arranged on the end face of the magnetic conduction switch.

Preferably, the handle is an elongated protrusion connected to the end face of the magnetic conduction switch, and the elongated protrusion is used for manually grasping and screwing the magnetic conduction switch.

Preferably, a nameplate is adhered to the outer side surface of the cover plate and used for indicating the corresponding position of the elongated protrusion when the magnetic conduction switches are respectively located at the switch positions.

Preferably, the drill jig hole is internally provided with an interference insertion bush, the bush is inserted with a guide sleeve, and the bush is used for preventing the drill jig hole from being abraded.

Compared with the prior art, the utility model has the beneficial effects that:

the magnetic suction type drill jig disclosed by the utility model can control the adsorption of magnetic force through the switch, and the drill jig seat is arranged on the magnetic suction type fixing seat, so that the drill jig can be moved, a complex tool can be replaced, and the number of tools is reduced; the device can be installed and disassembled by a single person, is simple and convenient and quick to operate and is not limited by the position of the hole. The guide sleeve is detachably arranged, so that different guide sleeves can be replaced, and the holes with different sizes and angles can be machined. In a word, the utility model has the advantages of simple structure, convenient operation and low cost.

Drawings

FIG. 1 is a schematic cross-sectional view showing the structure of embodiment 1 of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a left side view of the structure of FIG. 1;

fig. 4 is a schematic view of the operation principle of the magnetic conductive switch according to embodiment 1 of the present invention;

fig. 5 is a schematic diagram of a three-dimensional external structure of embodiment 1 of the present invention.

In the figure: 1 magnetic suction seat, 11 round hole, 12 square groove, 13 non-magnetic conduction plate, 14 magnetic conduction switch, 142 handle, 143 groove, 144 convex strip, 15 cover plate, 16 nameplate, 2 drilling die holder, 21 pin hole, 22 drilling die hole, 23 bushing, 24 guide sleeve, 241 drill bit guide hole, 242 shoulder part, 25 set screw, 251 round table, 252 cutting groove, 3 magnetic force line and 4 workpiece; note that N, S letters in the figure indicate magnetic poles.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the present invention, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1: please refer to fig. 1-5;

the utility model provides the following technical scheme: a movable magnetic drilling jig comprises a magnetic suction seat 1 and a drilling jig seat 2;

the cross section of the drilling die holder 2 is in an L shape and comprises a bottom plate part and a vertical plate part, the vertical plate part is used for being mounted on the side wall of the movable magnetic suction seat 1 through bolts, a pin hole 21 and a drilling die hole 22 are formed in the bottom plate part, an inserting bush 23 is arranged in the drilling die hole 22 in an interference mode, and the bush 23 is used for preventing the drilling die hole 22 from being abraded and is convenient to replace; a guide sleeve 24 is inserted in the bushing 23, an inclined drill bit guide hole 241 is arranged in the guide sleeve 24, and a shoulder part 242 is arranged on a flange at the top of the guide sleeve 24; the pin hole 21 is a threaded hole and is used for screwing a set screw 25, the top of the set screw 25 is provided with a circular truncated cone 251, and the upper surface of the circular truncated cone 251 is provided with a cutting groove 252 connected with a screwing tool; the lower surface of the circular truncated cone 251 is used for screwing a set screw 25 into the pin hole 21 to press against the shoulder part 242 so as to tightly press and fix the guide sleeve 24;

the magnetic suction seat 1 is characterized in that the shell is a magnetizer and is used for being adsorbed on a workpiece through magnetic force, a horizontal round hole 11 is formed in the center of the shell, the axial direction of the round hole 11 is perpendicular to the vertical plate part of the drilling die holder 2, the round hole 11 is used for being connected with a magnetic conduction switch 14, a square groove 12 which is communicated up and down is formed in the middle of the magnetic suction seat 1, a non-magnetic conduction plate 13 is installed in the square groove 12, and the shell is divided into two independent magnetizers; the magnetic conduction switch 14 body is a cylindrical permanent magnet, and two stages of the permanent magnet are respectively positioned at two radial ends of the cylinder; the cylindrical permanent magnet is rotatably inserted into the round hole 11 of the magnetic attraction seat 1 from one end far away from the drilling die seat 2, and is used for adsorbing and fixing the cylindrical permanent magnet on a workpiece by generating magnetic attraction on the bottom surface of the magnetic attraction seat 1 when the two stages of the cylindrical permanent magnet are positioned at a horizontal position;

the magnetic suction seat 1 is used for being adsorbed on a workpiece through bottom surface magnetic force to fix the drilling die seat 2, so that the drill bit guide hole 241 is aligned to the position of a hole to be processed on the workpiece; the magnetic conduction switch 14 is used for controlling the magnetic attraction or release of the bottom surface of the magnetic attraction seat 1 by being inserted into the round hole 11 to rotate;

the end face of the magnetic conduction switch 14 is also provided with a handle 142 for screwing, the handle 142 is a strip-shaped bulge connected to the end face of the cylindrical permanent magnet, and the strip-shaped bulge is used for facilitating manual grasping and screwing of the magnetic conduction switch 14;

the connecting part of the handle 142 and the end face of the cylindrical permanent magnet is respectively provided with a groove 143 and a convex strip 144, when the handle 142 is connected with the cylindrical permanent magnet, the convex strip 144 is inserted in the groove 143 and is used for transmitting the torque of the handle 142 to the cylindrical permanent magnet, so that the handle 142 and the cylindrical permanent magnet rotate together;

the cover plate 15 is detachably arranged on the end face of one side of the shell of the magnetic suction seat 1, which is connected with the magnetic conduction switch 14, through screws, a nameplate 16 is pasted on the surface of the outer side of the cover plate 15, and the corresponding positions of the handles 142 for indicating the magnetic conduction switch 14 to be respectively positioned at the switch positions are drawn on the nameplate 16, so that the magnetic suction seat 1 can be operated to suck and release.

During the use, twist grip 142 makes the inside magnetic conduction switch 14's of magnetic suction seat 1 the two poles of the earth horizontal position, and magnetic suction seat 1 just can adsorb in workpiece surface, then drills to the work piece, both can guarantee the precision of drilling like this, can realize single installation and dismantlement again, and is easy and simple to handle, swift, does not receive the restriction of hole position. After use, the handle 142 is rotated to make the two poles of the magnetic switch 14 inside the magnetic suction base 1 in the up-and-down position, so that the magnetic suction base 1 can be taken down from the workpiece.

The working principle of the magnetic conduction switch 14 is that when two poles of the magnetic conduction switch 14 are in horizontal positions, N, S poles respectively face two magnetizers of the magnetic absorption seat 1, and at the moment, magnetic force lines are closed from an N pole to the magnetizer to a workpiece to another magnetizer to an S pole, so that the magnetic absorption seat 1 can be firmly adsorbed on the workpiece; when the two poles of the magnetic switch 14 are in the up-down position, the drill jig can be easily taken away from the workpiece when the magnetic lines of force form a closed circuit in the two magnetic conductors respectively.

The magnetic-type fixed seat has the advantages that the switch can control the adsorption of magnetic force, the drill jig seat is arranged on the magnetic-type fixed seat, the drill jig can move, complex tools can be replaced, and the number of the tools is reduced; the device can be installed and disassembled by a single person, is simple and convenient and quick to operate and is not limited by the position of the hole. The guide sleeve 24 is detachably arranged, so that different guide sleeves 24 can be replaced, and holes with different sizes and angles can be machined. In a word, this embodiment has simple structure, convenient operation, low cost's advantage.

The utility model is not described in detail in the prior art; for a person skilled in the art, various technical features of the above embodiments may be arbitrarily combined, and for the sake of simplicity of description, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the technical features should be considered as the scope of the description in the present specification. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A portable magnetic force jig which characterized in that: comprises a magnetic suction seat (1) and a drill jig seat (2);

the shell of the magnetic suction seat (1) is a magnetizer and is used for being adsorbed on a workpiece through magnetic force, a horizontal round hole (11) is formed in the center of the magnetizer, and a magnetic conduction switch (14) is rotatably inserted in the round hole (11); a square groove (12) which is through up and down is arranged in the middle of the magnetic suction seat (1), a non-magnetic conductive plate (13) is arranged in the square groove (12), and the shell is divided into a left magnetizer and a right magnetizer by the non-magnetic conductive plate (13); the magnetic conduction switch (14) body is a cylindrical permanent magnet, and two stages of the permanent magnet are respectively positioned at two radial ends of the cylindrical body;

the cross section of the drilling die holder (2) is L-shaped and comprises a bottom plate part and a vertical plate part, the vertical plate part is used for connecting the side wall of the magnetic suction seat (1), a pin hole (21) and a drilling die hole (22) are formed in the bottom plate part, the pin hole (21) is a threaded hole and is used for screwing a set screw (25), a guide sleeve (24) is arranged in the drilling die hole (22), and a drilling bit guide hole (241) is formed in the guide sleeve (24); the top of the fastening screw (25) is provided with a circular truncated cone (251), and the lower surface of the circular truncated cone (251) is used for pressing against the top surface of the guide sleeve (24) to press and fix the guide sleeve (24) when the fastening screw (25) is screwed into the pin hole (21);

the magnetic suction seat (1) is used for being fixed on a workpiece through bottom surface magnetic force adsorption, so that the drill bit guide hole (241) is aligned to the position of a hole to be processed on the workpiece; the magnetic conduction switch (14) is used for controlling the magnetic attraction or release of the bottom surface of the magnetic attraction seat (1) through being inserted in the round hole (11) to rotate.

2. The movable magnetic drill jig according to claim 1, wherein: the cover plate (15) is detachably connected with the end face of one side of the shell of the magnetic suction seat (1) connected with the magnetic conduction switch (14) through a screw.

3. The movable magnetic drill jig according to claim 2, wherein: and a handle (142) for screwing is also arranged on the end surface of the magnetic conduction switch (14).

4. The movable magnetic drill jig according to claim 3, wherein: the handle (142) is a strip-shaped bulge connected to the end face of the magnetic conduction switch (14), and the strip-shaped bulge is used for manually grasping and screwing the magnetic conduction switch (14).

5. The movable magnetic drill jig according to claim 4, wherein: and a nameplate (16) is adhered to the outer side surface of the cover plate (15), and the nameplate (16) is used for indicating the corresponding position of the elongated protrusion when the magnetic conduction switch (14) is respectively positioned at the switch position.

6. The movable magnetic drill jig of claim 1, wherein: the drilling die is characterized by further comprising a bushing (23), wherein the drilling die hole (22) is internally provided with an interference plug-in bushing (23), the bushing (23) is plugged with a guide sleeve (24), and the bushing (23) is used for preventing the drilling die hole (22) from being abraded.