CN210025264U

CN210025264U - Marking device

Info

Publication number: CN210025264U
Application number: CN201920659699.0U
Authority: CN
Inventors: 戴渊
Original assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-02-07
Anticipated expiration: 2029-05-09

Abstract

The utility model relates to a machining technology field discloses a marking device. The scribing device comprises a base, a scribing head and a scribing head, wherein the base is provided with a through groove and can abut against the side face of a workpiece to be scribed; the scribing needle is detachably connected with the through groove in an angle-adjustable manner and is used for scribing the workpiece to be scribed; and the scribing needle is used for scribing the workpiece to be scribed by sliding the base along the side surface of the workpiece to be scribed. The utility model completes the marking action by moving the whole marking device, only the circle center of the line marked by the marking device is concentric with the circle center of the curved surface sideline of the workpiece to be marked, and the circle center of the curved surface sideline on the workpiece to be marked is not required to be fixed with the base, thereby reducing the limit of the marking device to the space; and an additional device is not needed for supporting and fixing the supporting piece, the operation is simple and convenient, and the scribing efficiency is improved.

Description

Marking device

Technical Field

The utility model relates to the technical field of machining, especially, relate to a marking device.

Background

In the field of machining, a large number of cast parts exist in parts, space size and angle requirements exist among molded surfaces, and in the machining process, the blank allowance is required to be checked by scribing to determine a machining standard, so that scribing before machining becomes a prerequisite work and a foundation for machining. In the parts of the aircraft, many i-shaped parts, U-shaped parts, etc. often need to draw a series of curves with radian equal to the curved side line of the workpiece to be scribed in the interior of the workpiece to be scribed so as to meet the subsequent processing requirements.

In the prior art, as shown in fig. 1, a scribing device comprises a base 1-1, a fixing rod 1-2, a graduated scale 1-3 and a scriber 1-4, wherein the fixing rod 1-2 is fixed on the base 1-1, the graduated scale 1-3 can move up and down along the fixing rod 1-2, the graduated scale 1-3 can also rotate around the fixing rod 1-2, the scriber 1-4 is vertical to the graduated scale 1-3, and the scriber 1-4 can slide left and right along the graduated scale 1-3. When in scribing, the base 1-1 is fixed on a workpiece to be scribed, and scribing is finished by rotating the scribing needle 1-4. The marking device needs to fix the base 1-1 at the circle center of the curved surface sideline on the workpiece to be marked, when the radius of the curved surface sideline is large, namely the circle center of the curved surface sideline is not on the workpiece to be marked, an additional device is needed to support and fix the base 1-1, so that the marking device is easily limited by space, the operation is complex and tedious, and the marking efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a marking device to solve current marking device and receive space restriction, complicated loaded down with trivial details, the problem of marking off inefficiency of operation.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a scribing apparatus, comprising:

the base is provided with a through groove and can abut against the side face of the workpiece to be scribed;

the scribing needle is detachably connected with the through groove in an angle-adjustable manner and is used for scribing the workpiece to be scribed;

and the scribing needle is used for scribing the workpiece to be scribed by sliding the base along the side surface of the workpiece to be scribed.

Furthermore, the scribing device also comprises a supporting piece, the supporting piece is connected with the through groove in a detachable mode in an angle-adjustable mode, the supporting piece can abut against the outer side wall of the workpiece to be scribed, and the scribing needle can scribe the workpiece to be scribed by sliding the supporting piece along the outer side wall of the workpiece to be scribed.

Further, the scribing device further comprises a first fixing device for fixing the support piece in the through groove.

Further, the first fixing device comprises a first butterfly bolt and a first nut, a first through hole vertically communicated with the through groove is formed in the base, a first strip-shaped hole is formed in the supporting piece, and the first butterfly bolt penetrates through the first through hole and the first strip-shaped hole respectively and is in threaded connection with the first nut.

Further, scales are arranged along the circumferential direction of the first through hole.

Further, the scribing device further comprises a second fixing device for fixing the scribing needle in the through groove.

Further, the second fixing device comprises a second butterfly bolt and a second nut, a second through hole vertically communicated with the through groove is formed in the base, a second strip-shaped hole is formed in the scriber, and the second butterfly bolt penetrates through the second through hole and the second strip-shaped hole respectively and is in threaded connection with the second nut.

Furthermore, scales are arranged along the circumferential direction of the second through hole.

Furthermore, one end of the scriber is provided with a first needle point, and the first needle point is arranged along the length direction of the second strip-shaped hole.

Further, the other end of the scriber is provided with a second needle point, and the second needle point is arranged along the length direction perpendicular to the second strip-shaped hole.

The utility model has the advantages that:

the utility model discloses set up the scriber in the logical inslot of base, the base can the butt on treating the side of ruling the work piece, along the side sliding base who treats the work piece of ruling, and then drive the scriber motion to accomplish the action of ruling on treating the work piece of ruling. The whole scribing device is moved to finish the scribing action, the circle center of a line scribed by the scribing device is only concentric with the circle center of the curved surface sideline of the workpiece to be scribed, and a base does not need to be fixed at the circle center of the curved surface sideline on the workpiece to be scribed, so that the limitation of the scribing device on space is reduced; and an additional device is not needed for supporting and fixing the supporting piece, the operation is simple and convenient, and the scribing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts. Wherein:

FIG. 1 is a schematic diagram of a prior art scoring device;

fig. 2 is a schematic structural diagram of a scribing apparatus according to an embodiment of the present invention;

fig. 3 is a first schematic view of the scribing apparatus according to the embodiment of the present invention;

fig. 4 is a second schematic view of the scribing apparatus according to the embodiment of the present invention.

In the figure:

1-1-a base; 1-2-fixation rod; 1-3-graduated scale; 1-4-scriber;

1-a base; 2-a support; 3-a workpiece to be scribed; 4-a scriber; 5-a first fixation device; 6-a second fixation device;

11-a through slot; 12-a first via; 13-a second via; 21-a first strip aperture; 41-a second strip-shaped hole; 42-a first needle tip; 43-second needle tip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 2 to 4, the present embodiment provides a scribing apparatus including a base 1, a support 2, and a scribe pin 4. The base 1 is provided with a through groove 11, and the supporting piece 2 and the scriber 4 are both connected with the through groove 11 in a detachable mode in an angle-adjustable mode. The scribing needle 4 is used for scribing a workpiece 3 to be scribed, the support part 2 is abutted to the outer side wall of the workpiece 3 to be scribed, the support part 2 is slid along the outer side wall of the workpiece 3 to be scribed to drive the base 1 to move, and then the scribing needle 4 is driven to move, so that scribing action is completed on the workpiece 3 to be scribed. The whole scribing device is moved to finish the scribing action, the circle center of a line scribed by the scribing device is only concentric with the circle center of the curved surface sideline of the workpiece 3 to be scribed, and the supporting piece 2 is not required to be fixed at the circle center of the curved surface sideline on the workpiece 3 to be scribed, so that the limitation of the scribing device to the space is reduced; and an additional device is not needed for supporting and fixing the supporting piece 2, the operation is simple and convenient, and the scribing efficiency is improved.

Specifically, the base 1 and the support 2 are both made of a transparent material, and preferably, the base 1 and the support 2 are both made of plexiglass. Correspondingly, the scriber 4 is made of carbon steel, preferably the scriber 4 is made of 45 steel. The base 1 is made of transparent materials, so that the inclination angles of the support piece 2 and the scriber 4 and the base 1 can be observed and adjusted conveniently, and the radian of the scribing lines, such as curved surface sidelines with different curvatures on the workpiece 3 to be scribed, can be scribed adaptively.

As shown in fig. 2, the scribing apparatus provided in the present embodiment further includes a first fixing device 5, and the first fixing device 5 is used for fixing the support member 2 in the through groove 11. Further, first fixing device 5 includes first butterfly bolt and first nut, sets up the first through-hole 12 with leading to groove 11 perpendicular intercommunication on the base 1, sets up first bar hole 21 on the support piece 2, and first butterfly bolt passes first through-hole 12 and first bar hole 21 respectively to with first nut spiro union.

Further, the scribing device provided by the present embodiment further includes a second fixing device 6, and the second fixing device 6 is used for fixing the scribing pin 4 in the through slot 11. The second fixing device 6 comprises a second butterfly bolt and a second nut, a second through hole 13 which is vertically communicated with the through groove 11 is formed in the base 1, a second strip-shaped hole 41 is formed in the scriber 4, and the second butterfly bolt penetrates through the second through hole 13 and the second strip-shaped hole 41 respectively and is in threaded connection with the second nut.

Specifically, the first fixing device 5 and the second fixing device 6 both adopt butterfly bolts, so that the manual screwing operation is facilitated. The butterfly design of the head of the butterfly bolt increases the transverse stress surface, so that the manual screwing is more efficient. Meanwhile, the connection mode facilitates the detachment of the support piece 2 and the scriber 4 from the base 1, and when the inclination angle of the support piece 2 or the scriber 4 and the base 1 needs to be adjusted, the butterfly bolt is manually loosened for adjustment, so that the operation is facilitated. Of course, the supporting member 2 can also be detached, the base 1 is abutted to the side surface of the workpiece 3 to be scribed, and the scribing pin 4 is driven to scribe by sliding the base 1 so as to adapt to workpieces 3 to be scribed in different shapes.

In the present embodiment, the base 1 is provided with a plurality of through holes vertically communicating with the through groove 11, and the through holes may be used as the first through holes 12 or the second through holes 13, and the specific use condition may be set according to actual needs.

Further, all set up the scale along its circumference on every through-hole, all set up the scale along the circumference of first through-hole 12 and second through-hole 13 promptly, be convenient for observe and adjust support piece 2 and the inclination of scriber 4 and base 1.

Further, scales are provided along the length direction of the second bar hole 41. The second butterfly bolt is manually unscrewed, the second butterfly bolt slides along the second strip-shaped hole 41 by pushing the scriber 4, and the distance from the needle point to the base 1 is determined by observing the scales on the second strip-shaped hole 41, so that the height of the scriber 4 is adjusted.

In the present embodiment, the first needlepoint 42 is provided at one end of the scribe needle 4, and the first needlepoint 42 is provided toward the longitudinal direction of the second bar-shaped hole 41. Correspondingly, the other end of the scriber 4 is provided with a second needle tip 43, and the second needle tip 43 is arranged in a direction perpendicular to the length direction of the second strip-shaped hole 41. The two ends of the scriber 4 are provided with needle points so as to adapt to different use scenes.

As shown in fig. 3, the cross section of the workpiece 3 to be scribed is an i-shaped workpiece, and the side surface of the workpiece is a curved surface, so that a curve having a radian equal to that of a curved surface sideline of the workpiece 3 to be scribed needs to be scribed in the workpiece 3 to be scribed. The supporting piece 2 is abutted against the side face of the workpiece 3 to be scribed, after the angle between the base 1 and the supporting piece 2 is adjusted to a proper angle, the height of the scribing needle 4 and the angle relative to the base 1 are adjusted, the first needle point 42 is selected for scribing, the distance between the scribing needle 4 and the supporting piece 2 can be adjusted by selecting different through holes, the supporting piece 2 slides along the side face of the workpiece 3 to be scribed, and the scribing needle 4 is driven to scribe curves with radian equal to the curve edge line of the curved surface of the workpiece 3 to be scribed. It should be noted that the angle between the base 1 and the scriber 4 can be adjusted, and is not limited to the vertical arrangement. When the scribed line is close to the side of the workpiece 3 to be scribed, if the base 1 is arranged perpendicular to the scribe pin 4, the side of the workpiece 3 to be scribed interferes with the scribing action of the scribe pin 4 due to the limitation of the size of the scribe pin 4 itself. In the scribing apparatus provided in the present embodiment, the angle between the base 1 and the scribe needle 4 can be adjusted, and the scribe needle 4 can be disposed to be inclined with respect to the base 1 (excluding the vertical arrangement here), as long as the side surface of the workpiece 3 to be scribed does not interfere with the movement of the first needlepoint 42, thereby increasing the scribing range.

As shown in fig. 4, the workpiece 3 to be scribed is of a bent edge structure, the edge of the bent edge structure is a curve, and a contour line of the bent edge needs to be scribed. The support piece 2 is detached, the base 1 is abutted to the side face of the workpiece 3 to be scribed, the second needle point 43 is selected for use, the height and the angle of the scriber 4 and the base 1 are adjusted, the distance between the scriber 4 and the base 1 can be adjusted by selecting different through holes on the base 1, the base 1 slides along the side face of the workpiece 3 to be scribed, the scriber 4 is driven to scribe curves with the same radian as the contour line of the edge of the bent edge of the workpiece 3 to be scribed, and subsequent processing is facilitated.

The marking device provided by the embodiment can slide the base 1 or the support part 2 along the side surface of the workpiece 3 to be marked to adapt to the workpieces 3 to be marked in different shapes, so that the using scenes of the marking device are more various, different marking devices do not need to be frequently replaced according to the workpieces 3 to be marked in different shapes, the operating steps are saved, and the marking efficiency is improved.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A scribing apparatus, comprising:

a base (1) having a through slot (11), the base (1) being capable of abutting against a side surface of a workpiece (3) to be scribed;

the scribing needle (4) is detachably connected with the through groove (11) in an angle-adjustable manner and is used for scribing the workpiece (3) to be scribed.

2. The line marking device according to claim 1, characterized by further comprising a support (2), wherein the support (2) is detachably connected with the through slot (11) in an angle-adjustable manner, and the support (2) can abut against the outer side wall of the workpiece (3) to be marked.

3. The line striping apparatus of claim 2 further comprising first securing means (5) for securing the support member (2) within the channel (11).

4. The marking device according to claim 3, characterized in that said first fixing means (5) comprise a first butterfly bolt and a first nut, said base (1) being provided with a first through hole (12) vertically communicating with said through slot (11), said support (2) being provided with a first strip-shaped hole (21), said first butterfly bolt passing through said first through hole (12) and said first strip-shaped hole (21), respectively, and being screwed to said first nut.

5. The scoring device according to claim 4, characterized in that a scale is provided along the circumference of the first through hole (12).

6. Scribing installation according to claim 1 or 5, further comprising second fixing means (6) for fixing the scriber (4) within the through slot (11).

7. The marking device according to claim 6, characterized in that the second fixing device (6) comprises a second butterfly bolt and a second nut, a second through hole (13) which is vertically communicated with the through groove (11) is arranged on the base (1), a second strip-shaped hole (41) is arranged on the marking needle (4), and the second butterfly bolt respectively passes through the second through hole (13) and the second strip-shaped hole (41) and is in threaded connection with the second nut.

8. Scribing device according to claim 7, wherein a scale is provided along the circumference of the second through hole (13).

9. The scribing arrangement according to claim 7, wherein one end of the scriber (4) is provided with a first tip (42), the first tip (42) being arranged along the length direction of the second bar-shaped aperture (41).

10. The scoring device according to claim 9, characterized in that the other end of the scriber (4) is provided with a second tip (43), the second tip (43) being arranged in a direction perpendicular to the length direction of the second strip-shaped aperture (41).