CN217666944U

CN217666944U - Tapping auxiliary tool

Info

Publication number: CN217666944U
Application number: CN202221244959.6U
Authority: CN
Inventors: 王建华; 罗锦添; 邵红山
Original assignee: Guangzhou Guanghe Technology Co Ltd
Current assignee: Guangzhou Guanghe Technology Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-28
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a tapping auxiliary tool, which comprises a fixedly connected ring magnetic suction base and a ring steel pipe, wherein the outer diameter of the ring steel pipe is equal to the inner diameter of the ring magnetic suction base, and the ring steel pipe is embedded in the ring magnetic suction base; the circular ring magnetic suction base is flush with the bottom of the circular ring steel pipe, and the height of the circular ring steel pipe is larger than that of the circular ring magnetic suction base; the inner diameter of the circular steel tube is matched with the outer diameter of the screw tap, the screw tap comprises a threaded portion and a connecting portion, and the height of the circular steel tube is smaller than the total length of the screw tap and larger than the length of the threaded portion. The application provides a pair of tapping appurtenance for fix a position the screw tap process of attacking tooth, ensure that the screw tap perpendicularly attacks the tooth hole, the tooth hole is attacked partially and screw tap fracture problem when avoiding among the prior art manual tooth of attacking.

Description

Tapping auxiliary tool

Technical Field

The utility model relates to a attack the tooth screw tap field, especially relate to an attack tooth appurtenance.

Background

When daily equipment maintenance and modification and equipment part punching and tapping are carried out, the tapping of a tooth hole is always right, but the phenomenon that the mouth of the tooth hole is broken and the tap is broken in the tooth hole is caused by the fact that the tooth hole is deviated during the manual tapping of the tap; great troubles are caused to maintenance and modification, and the equipment is shut down for a long time due to the delay of the construction period.

The main difficulty of the problems is that the tapping process of the screw tap needs to be vertical to the plane of a workpiece, and the tapping direction of the screw tap can be controlled only by manual hand feeling in the prior art, which has higher requirements on the skill and proficiency of a worker; and the manual control can generate errors due to factors such as operators, working time and the like, and the tap can not be ensured to be always vertical to the plane of a workpiece in the tapping process.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the problems in the related art to some extent. Therefore, an object of the utility model is to provide an attack tooth appurtenance for attack the tooth process to the screw tap and fix a position, ensure that the screw tap attacks the tooth hole perpendicularly, the tooth hole is attacked partially and screw tap fracture problem when avoiding among the prior art manual tapping.

In order to achieve the purpose, the following technical scheme is adopted in the application: a tapping auxiliary tool comprises a circular magnetic suction base and a circular steel pipe which are fixedly connected, wherein the outer diameter of the circular steel pipe is equal to the inner diameter of the circular magnetic suction base, and the circular steel pipe is embedded in the circular magnetic suction base; the circular magnetic attraction base is flush with the bottom of the circular steel pipe, and the height of the circular steel pipe is greater than that of the circular magnetic attraction base;

the inner diameter of the circular steel tube is matched with the outer diameter of the screw tap, the screw tap comprises a threaded portion and a connecting portion, and the height of the circular steel tube is smaller than the total length of the screw tap and larger than the length of the threaded portion.

Further, the outer diameter of the circular steel pipe is 1mm larger than the inner diameter of the circular steel pipe.

Furthermore, the outer diameter of the ring magnetic suction base is 25mm, and the height of the ring magnetic suction base is 1.5mm.

Further, the height of ring steel pipe is 15mm.

Furthermore, the ring magnetic suction base is uniformly distributed with fixing holes.

Furthermore, the lower surface of base is inhaled to ring magnetism is provided with sensor matrix.

Further, the sensor matrix comprises evenly distributed pressure sensors.

Furthermore, the lateral wall of ring steel pipe is provided with observation window.

Furthermore, the inner wall of the circular steel pipe is provided with scale marks parallel to the upper surface of the circular steel pipe.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: according to the method, the circular magnetic suction base can be adsorbed on the surface of a processed workpiece, the circular magnetic suction base is fixedly connected with the circular steel pipe, and the bottom surfaces of the circular magnetic suction base and the circular steel pipe are parallel and level, so that the inner wall of the circular steel pipe is perpendicular to the surface of the processed workpiece, the outer diameter of the screw tap is matched with the inner diameter of the circular steel pipe, when the screw tap is placed inside the circular steel pipe, the screw tap is necessarily perpendicular to the surface of the processed workpiece, tapping is performed on a connecting part of the screw tap at the moment, after the screw tap is embedded into a tooth hole, an auxiliary tool is removed, and tapping is continued until the screw tap enters the tooth hole; this application has avoided relying on the artifical process of feeling control screw tap entering tooth hole among the prior art, ensures that the screw tap perpendicular to processing work piece gets into the tooth hole inside all the time, and the tooth hole is attacked partially and screw tap fracture problem when avoiding among the prior art manual tapping.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

In the drawings:

fig. 1 is a schematic view of the general structure of the tapping auxiliary tool in the present application;

FIG. 2 is a schematic view of a fixing hole in embodiment 2;

FIG. 3 is a schematic structural view of a sensor matrix in example 3;

FIG. 4 is a schematic view showing the structure of scale marks and observation windows in example 4;

reference numerals: 1. a circular steel pipe; 11. an observation window; 12. scale lines; 2. a circular ring magnetic base; 21. A pressure sensor; 22. and (7) fixing holes.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the referred mechanism or element must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, mechanisms, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1-4, the present application provides an auxiliary tapping tool, which includes a ring magnetic attraction base 2 and a ring steel pipe 1, wherein the ring magnetic attraction base 2 and the ring steel pipe 1 are fixedly connected, an outer diameter of the ring steel pipe 1 is equal to an inner diameter of the ring magnetic attraction base 2, and the ring steel pipe 1 is embedded into the ring magnetic attraction base 2, specifically, the ring steel pipe 1 and the ring magnetic attraction base 2 can be connected by welding. The outer tube that base 2 and ring steel pipe 1 were inhaled to ring magnetism in this application is cylindric structure, consequently, its upper surface and lower surface all with inside wall and lateral wall perpendicular.

The bottom of the circular ring magnetic base 2 is flush with the bottom of the circular ring steel pipe 1, and the height of the circular ring steel pipe 1 is larger than that of the circular ring magnetic base 2; wherein, base 2 is inhaled to ring magnetism is used for adsorbing at processing work piece upper surface for fixed whole appurtenance, ensures that appurtenance and screw tap can not take place the offset at the tapping in-process.

The inner diameter of the circular steel tube 1 is matched with the outer diameter of the screw tap, the inner diameter of the specific circular steel tube 1 can be determined according to the size and the model of the screw tap, and the circular steel tube 1 with the corresponding size can be designed for the screw tap of each model. The tap comprises a threaded part and a connecting part, and the height of the circular steel tube 1 is far less than the total length of the tap and greater than the length of the threaded part. Ring steel pipe 1's height is less than the total length of screw tap far away in this application, this is because appurtenance is only supplementary at the initial stage of attacking the tooth in this application, after the screw tap gets into the tooth hole certain distance, the position relatively fixed of screw tap tooth hole, the skew is difficult to reoccur, appurtenance can be demolishd this moment and the manual tooth of attacking continues to be carried out, for save material, ring steel pipe 1's height can be less than the screw tap total length far away, simultaneously in order to ensure to attack the tooth effect, the length that highly is greater than screw thread portion in the screw tap that can set up ring steel pipe 1. The threaded portion refers to the end of the tap that first enters the tooth hole.

In the application, the circular magnetic attraction base 2 can be adsorbed on the surface of a machined workpiece, the circular magnetic attraction base 2 is fixedly connected with the circular steel tube 1, and the bottom surfaces of the circular magnetic attraction base 2 and the circular steel tube are parallel and level, so that the inner wall of the circular steel tube 1 is perpendicular to the surface of the machined workpiece, the outer diameter of the screw tap is matched with the inner diameter of the circular steel tube 1, when the screw tap is placed inside the circular steel tube 1, the screw tap is necessarily perpendicular to the surface of the machined workpiece, tapping is performed on a connecting part of the screw tap at the moment, after the screw tap is embedded into a tooth hole, an auxiliary tool is removed, and tapping is continued until the screw tap enters the tooth hole; this application has avoided relying on the artifical process of feeling control screw tap entering tooth hole among the prior art, ensures that the screw tap perpendicular to processing work piece gets into the tooth hole inside all the time, and the tooth hole is attacked partially and screw tap fracture problem when avoiding among the prior art manual tapping.

Example 1

The utility model provides an attack tooth appurtenance, includes that fixed connection's ring magnetism inhales base 2 and ring steel pipe 1, and the external diameter of ring steel pipe 1 equals the internal diameter that base 2 was inhaled to the ring magnetism, and the embedding of ring steel pipe 1 is inhaled inside base 2 is inhaled to the ring magnetism, and is concrete, and base 2 can be inhaled through welded connection to ring steel pipe 1 and ring magnetism. The outer tube of base 2 and ring steel pipe 1 is cylindric structure is inhaled to ring magnetism in this application, consequently, its upper surface and lower surface all are perpendicular with inside wall and lateral wall.

The bottom of the circular magnetic attraction base 2 is flush with the bottom of the circular steel pipe 1, and the height of the circular steel pipe 1 is larger than that of the circular magnetic attraction base 2; wherein, base 2 is inhaled to ring magnetism is used for adsorbing at processing work piece upper surface for fixed whole appurtenance, ensures that appurtenance and screw tap can not take place the offset at the tapping in-process.

The inner diameter of the circular steel tube 1 is matched with the outer diameter of the screw tap, the inner diameter of the specific circular steel tube 1 can be determined according to the size and the model of the screw tap, and the circular steel tube 1 with the corresponding size can be designed for the screw tap of each model. The tap comprises a threaded part and a connecting part, and the height of the circular steel tube 1 is far less than the total length of the tap and greater than the length of the threaded part.

In the embodiment, the inner diameter of the circular magnetic absorption base 2 is 1mm larger than that of the circular steel pipe 1. When the screw tap is an M5 screw tap, the inner diameter of the circular steel tube 1 is set to be 5mm, and the screw tap is in interference fit with the circular steel tube 1; the outer diameter of the circular steel tube 1 is 6mm, and the height is 15mm.

The inner diameter of the ring magnetic suction base 2 is 6mm, the outer diameter is 25mm, and the height is 1.5mm. The outer diameter of the circular magnetic base 2 is large, so that the circular magnetic base can be fully contacted with the surface of a machined workpiece, the magnetic action is effectively exerted, and the auxiliary tool is fixed on the surface of the machined workpiece. In order to save materials, the height of the circular magnetic suction base 2 is not required to be too high, and only the circular steel tube 1 inside the circular magnetic suction base needs to be fixed.

Example 2

The utility model provides an attack tooth appurtenance, includes that fixed connection's ring magnetism inhales base 2 and ring steel pipe 1, and the external diameter of ring steel pipe 1 equals the internal diameter that base 2 was inhaled to the ring magnetism, and the embedding of ring steel pipe 1 is inhaled inside base 2 is inhaled to the ring magnetism, and is concrete, and base 2 can be inhaled through welded connection to ring steel pipe 1 and ring magnetism. The outer tube that base 2 and ring steel pipe 1 were inhaled to ring magnetism in this application is cylindric structure, consequently, its upper surface and lower surface all with inside wall and lateral wall perpendicular.

This application can also inhale base 2 at the ring magnetism and set up evenly distributed's fixed orifices 22, and the preferred even number of quantity of fixed orifices 22, the even number fixed orifices 22 inhale the central symmetry distribution of base 2 about the ring magnetism. When the material of processing work piece can't be inhaled base 2 by ring magnetism and adsorb, perhaps when base 2 is inhaled to processing work piece adsorption affinity insecure to the ring magnetism, the fixed pin inserts fixed orifices 22 and fixes, ensures that base 2 and processing work piece fixed connection are inhaled to the ring magnetism. Fig. 2 is a schematic diagram showing the distribution of 4 fixing holes 22 in this embodiment.

Example 3

The bottom of the circular magnetic attraction base 2 is flush with the bottom of the circular steel pipe 1, and the height of the circular steel pipe 1 is larger than that of the circular magnetic attraction base 2; wherein, base 2 is inhaled to ring magnetism is used for adsorbing at processing work piece upper surface for fixed whole appurtenance, ensure to attack the tooth in-process, appurtenance and screw tap can not take place the offset.

After the auxiliary tool is used for a long time in the embodiment, the connection between the circular steel tube 1 and the circular magnetic attraction base 2 can be loosened, so that the lower surface of the circular magnetic attraction base 2 is no longer perpendicular to the side wall of the circular steel tube 1, and the auxiliary tool cannot ensure that the screw tap inside the circular steel tube 1 is perpendicular to the surface of a processed workpiece. In this embodiment, the pressure sensors 21 are uniformly arranged on the lower surface of the annular magnetic base 2, preferably, the number of the pressure sensors 21 is even, and the even number of the pressure sensors 21 are symmetrically distributed about the center of the annular magnetic base 2 to form a sensor matrix, as shown in fig. 3. Before the appurtenance uses, adopt sensor matrix to inhale base 2 to the ring magnetism and level, when the base was inhaled to the ring magnetism and is placed on the work piece surface, judge whether the pressure that each pressure sensor 21 received is the same, if the same, then explain appurtenance is normal, can carry out follow-up tapping operation. If the pressure difference received by each pressure sensor 21 is large, it indicates that the side wall of the annular magnetic base 2 or the annular steel pipe 1 is not perpendicular to the surface of the workpiece to be machined, and the tapping operation is performed after the calibration by the auxiliary tool is required.

Example 4

In order to facilitate observation of the tapping process, in this embodiment, an observation window 11 is disposed on a side wall of the circular steel tube 1, and at the same time, scale marks 12 parallel to an upper surface of the circular steel tube 1 are disposed on an inner wall of the circular steel tube 1, as shown in fig. 4, the observation window 11 is a rectangular window with an opening in a vertical direction larger than an opening in a horizontal direction, and the scale marks 12 can be seen on two sides of the observation window 11. The operator can see the internal tap through the observation window 11; the tapping process of the tap can be known conveniently by an operator in real time. Meanwhile, an operator can confirm whether the screw tap and the circular steel tube 1 are inclined or not by checking whether the scale marks 12 on the two sides of the observation window 11 are consistent with the specific position of the screw tap or not, if the same position of the screw tap corresponds to different scale marks 12, it is shown that the circular steel tube 1 and the screw tap are inclined possibly and do not vertically enter a tooth hole, and tapping is performed after correction is needed.

It should be understood that the above examples only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The auxiliary tapping tool is characterized by comprising a circular magnetic suction base and a circular steel pipe which are fixedly connected, wherein the outer diameter of the circular steel pipe is equal to the inner diameter of the circular magnetic suction base, and the circular steel pipe is embedded into the circular magnetic suction base; the circular magnetic attraction base is flush with the bottom of the circular steel pipe, and the height of the circular steel pipe is greater than that of the circular magnetic attraction base;

2. The tapping assist tool of claim 1, wherein the outer diameter of the circular steel tube is 1mm larger than the inner diameter of the circular steel tube.

3. The tapping auxiliary tool of claim 1, wherein the annular magnetic base has an outer diameter of 25mm and a height of 1.5mm.

4. The tapping aid as claimed in claim 1, wherein the height of the annular steel tube is 15mm.

5. The tapping auxiliary tool of claim 1, wherein the ring-shaped magnetic base has uniformly distributed fixing holes therein.

6. The tapping auxiliary tool of claim 1, wherein a sensor matrix is disposed on a lower surface of the annular magnetic base.

7. The tapping assist tool of claim 6, wherein the sensor matrix comprises evenly distributed pressure sensors.

8. The tapping aid as claimed in claim 1, wherein the side wall of the circular steel tube is provided with a viewing window.

9. The tapping auxiliary tool as claimed in claim 8, wherein the inner wall of the circular steel tube is provided with graduation lines parallel to the upper surface thereof.