CN212287611U

CN212287611U - Novel marking tool

Info

Publication number: CN212287611U
Application number: CN202020433946.8U
Authority: CN
Inventors: 李涛; 邹震宇; 郑伟涛
Original assignee: Chengdu Aircraft Industrial Group Co Ltd
Current assignee: Chengdu Aircraft Industrial Group Co Ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-05
Anticipated expiration: 2030-03-30

Abstract

The utility model belongs to the technical field of marking tools and discloses a novel marking tool, which comprises a base provided with a guide chute, a scriber which is slidably arranged in the guide chute and a locking screw used for locking the base and the scriber; the scriber comprises a connecting rod which is slidably arranged in the guide chute and a needle head arranged at one end of the connecting rod. The utility model has the advantages that: the utility model can continuously mark the contour line of the parts with equal height at one time, and can not be inclined, thereby improving the marking precision; the scale of the dimension line of the connecting rod of the marking tool can be freely adjusted according to the height value of the line of the part with the same height, the operation is very convenient, and the marking efficiency is improved.

Description

Novel marking tool

Technical Field

The utility model relates to a marking tool technical field, specific saying so, a novel marking tool.

Background

In the manufacturing process of the sheet metal part, the outline of the part is often required to be marked on a die, and then the outline of the sheet metal part is cut according to the outline on the die. Some dies often have one or more groups of equal-height part lines in a narrow cavity, and the traditional marking method is to take a series of points on the equal-height part lines by using a measuring arm and continuously mark the points in the die cavity, and then a bench worker manually connects the lines in sections by using a hard scriber and a steel plate ruler. The method has the disadvantages that the marking is easy to be distorted during marking, and the marking precision is poor; and the operation is inconvenient and the scribing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel marking tool, which can effectively freely adjust the scale of the dimension line of the connecting rod of the marking tool according to the height value of the line of the parts with equal height, is very convenient to operate and improves the marking efficiency; the high-part lines can be continuously marked at one time without being marked askew, and the marking precision is improved.

The utility model discloses a following technical scheme realizes:

a novel marking tool comprises a base provided with a guide chute, a scriber arranged in the guide chute in a sliding manner and a locking screw used for locking the base and the scriber; the scriber comprises a connecting rod which is slidably arranged in the guide chute and a needle head arranged at one end of the connecting rod.

Further, for better realization the utility model discloses, the syringe needle is including the four arris centrum that is provided with the measurement benchmark top surface, the axis mutually perpendicular of measurement benchmark top surface and connecting rod length direction, the measurement benchmark top surface is located one side that the syringe needle is close to the base, the axis and the measurement benchmark top surface mutually perpendicular of guide chute.

Further, for better realization the utility model discloses, one side that the base is close to the measurement benchmark top surface is provided with and communicates and be used for the protection groove of installation syringe needle with the guide way.

Further, for better realization the utility model discloses set up the scale mark on the connecting rod, 0 degree scale mark on the connecting rod and measurement benchmark top surface are on the coplanar.

Further, for better realization the utility model discloses be provided with on the side of base and use the locking hole with the locking screw cooperation.

Further, for better realization the utility model discloses, the connecting rod is the cuboid structure, adopts No. 45 steels to make, the base adopts the CrWMn material to make.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model can continuously mark the contour line of the parts with equal height at one time, and can not be inclined, thereby improving the marking precision; the scale of the dimension line of the connecting rod of the marking tool can be freely adjusted according to the height value of the line of the part with the same height, the operation is very convenient, and the marking efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of the connection relationship between the middle link and the scriber of the present invention;

FIG. 3 is a schematic structural view of the base of the present invention;

FIG. 4 is a diagram illustrating the usage of the present invention;

wherein 1, a scriber; 11. a needle head; 111 measuring a reference top surface; 12. a connecting rod; 121. scale lines; 2. a base; 21. a guide chute; 22. a protective groove; 23. a locking hole; 24. measuring a reference top surface; 3. locking the screw; A. a mold; a1, part line; a2, a reference plane; a3, cavity profile.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example 1:

the utility model is realized by the following technical proposal, as shown in fig. 1-4, a novel marking tool comprises a base 2 provided with a guide chute 21, a scriber 1 slidably mounted in the guide chute 21 and a locking screw 3 for locking the base 2 and the scriber 1; the scriber 1 comprises a connecting rod 12 which is slidably arranged in a guide chute 21 and a needle head 11 which is arranged at one end of the connecting rod 12 and is vertical to each other.

It should be noted that, with the above improvement, during the scribing process, the distance between the part line a1 on the die a and the reference plane a2 thereof is measured, and the distance is the height value of the part line; adjusting the relative position of the connecting rod 12 and the base 2 to make the scale value displayed by the scale mark 121 on the connecting rod 12 equal to the height value of the part line; then the connecting rod 12 and the base 2 are locked through the locking screw 3; then, the side surface of the base 2 close to one side of the needle head 11 is tightly attached to a datum surface A2 on the mould A, and the needle tip of the needle head 11 is ejected to a moulding surface A3 of a cavity A of the mould A; and finally moved along the cavity profile A3 to scribe part line a 1.

Example 2:

the present embodiment is further optimized on the basis of the above embodiment, as shown in fig. 2, the needle 11 includes a quadrangular pyramid body provided with a measurement reference top surface 111, the measurement reference top surface 111 is perpendicular to the longitudinal axis of the connecting rod 12 and parallel to the side surface of the base 2 near the needle 11, the measurement reference top surface 111 is located on the side of the needle 11 near the base 2, and the axis of the guide chute 21 is perpendicular to the measurement reference top surface 111. The side of the base 2 near the needle 11 is set as a measurement reference bottom surface 24.

It should be noted that, with the above modification, the axis of the measurement reference top surface 111 and the axis of the link 12 in the longitudinal direction are perpendicular to each other, and the axis of the through groove is perpendicular to the measurement reference bottom surface 24, so that the measurement reference top surface 111 and the measurement reference bottom surface 24 are parallel to each other, and as the link 12 slides in the through groove, the distance between the measurement reference top surface 111 and the measurement reference bottom surface 24 is changed.

Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.

Example 3:

this embodiment is further optimized on the basis of the above-mentioned embodiment, as shown in fig. 3, and further, for better realization the utility model discloses, one side of base 2 near measurement reference top surface 111 is provided with protection groove 22 that communicates with guide groove 21 and is used for installing syringe needle 11. The protection groove 22 is a cuboid groove, and the needle head 11 can be placed in the protection groove when the scratch awl 1 is not used, so that the needle head 11 is protected.

The preferred guide slot 21 is a clearance fit with the connecting rod 12.

Further, in order to better implement the present invention, as shown in fig. 2, the connecting rod 12 is provided with scale marks 121, and the 0 degree scale marks 121 on the connecting rod 12 are on the same plane as the measuring reference top surface 111. The scale lines 121 are arranged along the length direction of the link 12. The scale 121 on the connecting rod 12 shows a scale value corresponding to the distance from the top surface 111 of the measuring reference on the needle 11 to the bottom surface 24 of the measuring reference on the base 2.

Further, in order to better realize the utility model discloses, fig. 1 shows be provided with on the side of base 2 and use locking hole 23 with locking screw 3 cooperation. The locking screw 3 is in threaded connection with the heating locking hole 23 on the base 2 and is used for fixing the relative position of the base 2 and the connecting rod 12. The locking screw 3 is made of No. 45 steel.

Further, for better realization the utility model discloses, connecting rod 12 is the cuboid structure, adopts No. 45 steels to make, base 2 adopts the CrWMn material to make.

It should be noted that, with the above modification, as shown in fig. 4, in the scribing process, the needle of the apparatus is placed into the groove of the mold a, and the distance between the part line a1 on the mold a and the reference plane a2 thereof is measured, that is, the height value of the part line; secondly, the locking screw 3 is loosened, the relative position of the connecting rod 12 and the base 2 is adjusted, and the scale value displayed by the scale mark 121 on the connecting rod 12 is equal to the height value of the part line; then the locking screw 3 is screwed down, and then the bottom surface 24 of the measuring reference on the base 2 is tightly attached to the reference surface A2 on the mould A, and the needle tip of the needle 11 is pushed to the moulding surface A3 of the cavity A of the mould A; and finally moved along the cavity profile A3 to scribe part line a 1. The scale of the scale mark 121 of the connecting rod 12 of the marking tool can be freely adjusted according to the height value of the line of the part with the same height effectively, the operation is very convenient, and the marking efficiency is improved.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A novel marking tool is characterized in that: comprises a base (2) provided with a guide chute (21), a scriber (1) which is slidably arranged in the guide chute (21) and a locking screw (3) used for locking the base (2) and the scriber (1); the scriber (1) comprises a connecting rod (12) which is slidably arranged in the guide chute (21) and a needle head (11) arranged at one end of the connecting rod (12).

2. The novel scribing tool as in claim 1, wherein: the needle head (11) comprises a quadrangular pyramid body provided with a measuring reference top surface (111), the measuring reference top surface (111) is perpendicular to the longitudinal axis of the connecting rod (12), the measuring reference top surface (111) is positioned on one side of the needle head (11) close to the base (2), and the axis of the guide chute (21) is perpendicular to the measuring reference top surface (111).

3. The novel scribing tool as in claim 2, wherein: one side of the base (2) close to the top surface (111) of the measuring reference is provided with a protective groove (22) which is communicated with the guide chute (21) and is used for mounting the needle (11).

4. The novel scribing tool as in claim 1, wherein: and scale marks (121) are arranged on the connecting rod (12), and the 0-degree scale marks (121) on the connecting rod (12) and the measuring reference top surface (111) are on the same plane.

5. The novel scribing tool as in claim 1, wherein: and a locking hole (23) matched with the locking screw (3) for use is formed in the side surface of the base (2).

6. The novel scribing tool as in claim 1, wherein: the connecting rod (12) is of a cuboid structure and is made of No. 45 steel, and the base (2) is made of CrWMn materials.