CN219987619U - Scribing device - Google Patents

Abstract

The utility model discloses a scribing device, and relates to the technical field of machining of round cover parts. The scribing device comprises a frame body, a mechanical chuck, a dial, a pointer, an adjusting plate, a first scribing assembly and a second scribing assembly, wherein the mechanical chuck and the dial are coaxially arranged and fixedly connected, the mechanical chuck is used for clamping a disc to be machined, the dial is rotationally assembled on the frame body, the pointer is arranged on the frame body corresponding to the dial, the position of the adjusting plate is adjustable, the first scribing assembly comprises a first scribing pen which is slidably arranged on the adjusting plate, the first scribing pen is used for scribing the disc to be machined along the radial direction, the second scribing assembly comprises a second scribing pen which is slidably arranged on the adjusting plate and is adjustable in position, and the second scribing pen is used for scribing the disc to be machined along the circumferential direction. The scribing device simplifies the scribing process and improves the scribing efficiency.

Description

Scribing device

Technical Field

The utility model relates to the technical field of machining of round cover parts, in particular to a scribing device.

Background

In some small-lot equipment manufacturing factories, it is required to score equally-divided hole positions of bolt penetration holes in bearing sealing covers or round box cover plates of related equipment every day, so as to provide references for drilling the penetration holes. In the related art, a lineation staff needs to saw out a wood strip according to the diameter size of an inner hole of a sealing cover, knock the wood strip into the inner hole of the sealing cover, find the center of the sealing cover on the wood strip by using a lineation rule, punch a sample nest on the wood strip by using a sample nest as the center, mark a reference circle equal to the hole pitch on the sealing cover by using the lineation rule, and mark the positions of a plurality of equally-divided holes on the reference circle by using the lineation rule.

However, in specific operations, the sealing covers with different aperture sizes need to be found and processed, the center of the sealing cover needs to be found on the wood strips by using a scribing gauge before scribing, the operation is troublesome, in the use process, the wood strips are easy to damage in installation and disassembly, the wood strips need to be manufactured again, the scribing operation time is occupied, the positions of the holes also need to be divided into angles on a reference circle for scribing again, the related auxiliary scribing work is excessive in the whole scribing operation of the penetrating holes, the scribing is basically found to be troublesome, and the scribing efficiency is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides a scribing device which can simplify the scribing flow and improve the scribing efficiency.

The scribing device of the embodiment of the utility model comprises:

a frame body;

the mechanical chuck is used for centering and clamping the disc to be processed so that the disc to be processed and the dial are coaxially arranged, the dial is rotationally assembled on the frame body, and the dial is used for displaying the rotation angle of the dial;

the pointer is arranged on the frame body, extends along the radial direction of the dial and points to the axis of the dial;

the adjusting plate is arranged on the frame body in an adjustable mode along the up-down direction, and is perpendicular to the radial direction of the dial;

the first scribing assembly is assembled on the adjusting plate in a sliding mode and comprises a first scribing pen which is vertically arranged, the distance from the first scribing pen to the adjusting plate is equal to the distance from the axis of the dial to the adjusting plate, and the first scribing pen is used for scribing on the disc to be processed along the radial direction of the disc to be processed;

the second scribing assembly is assembled on the adjusting plate in a sliding mode, the second scribing assembly comprises a second scribing pen which is arranged vertically, the height of the second scribing pen is the same as that of the first scribing pen, the position of the second scribing pen along the direction perpendicular to the adjusting plate is adjustable, and the second scribing pen is used for scribing the disc to be processed along the circumferential direction of the disc to be processed.

According to the scribing device, the disc to be machined can be clamped and fixed rapidly through the mechanical chuck, the axis of the disc to be machined is enabled to coincide with the axis of the mechanical chuck, automatic centering is achieved, the height of the adjusting plate is adjusted, the first scribing pen and the second scribing pen can scribe the disc to be machined when the first scribing assembly is moved, the first scribing pen shell can scribe the disc to be machined along the radial direction of the disc to be machined, the scribing of the disc to be machined can be conducted again according to machining requirements and dial indication, when the second scribing pen is used for scribing, the distance between the second scribing pen and the adjusting plate can be adjusted according to the distance of a hole to be machined, so that the scribing position of the second scribing pen on the disc to be machined meets the scribing requirements, the mechanical chuck can be rotated, the disc to be machined can be driven to rotate, and scribing of the second scribing pen on the disc to be machined along the circumferential direction of the disc to be achieved, and the intersecting point of the scribing of the first scribing pen and the scribing pen can be the perforating base point of the hole to be machined. The scribing device provided by the embodiment of the utility model simplifies the scribing flow, can directly scribe according to the position of the hole to be processed, improves the scribing efficiency, can adjust the space between the clamping jaws of the mechanical chuck, and is suitable for scribing processing before punching of circular cover parts with different diameters.

In some embodiments, the first scribing assembly comprises a first sliding plate and a connecting rod, a first sliding groove matched with the thickness dimension of the adjusting plate is formed in the first sliding plate, the first sliding plate is slidably arranged at the top of the adjusting plate, the connecting rod is perpendicular to the first sliding plate and arranged on one side, close to the dial, of the first sliding plate, and the first scribing pen is arranged on the connecting rod.

In some embodiments, the first scribing pen is arranged on the connecting rod in a penetrating manner, a stop gasket is fixedly arranged on a rod section of the first scribing pen, which is positioned below the connecting rod, the stop gasket is in stop fit with the connecting rod in the up-down direction, a fastening nut is connected to the rod section of the first scribing pen, which is positioned above the connecting rod, in a threaded manner, and the fastening nut is used for fixing the first scribing pen and the connecting rod together through the stop gasket.

In some embodiments, the second scribing assembly comprises a second sliding plate, a sleeve, an adjusting rod and a stopping piece, wherein a second sliding groove matched with the thickness dimension of the adjusting plate is formed in the second sliding plate, the second sliding plate is slidably arranged at the top of the adjusting plate, the sleeve is perpendicular to the second sliding plate and fixedly connected with the second sliding plate, the adjusting rod penetrates through the sleeve and penetrates through the second sliding plate, one end, close to the dial, of the adjusting rod is connected with the second scribing pen, and the stopping piece is in threaded connection with the sleeve and stretches into the pipe cavity of the sleeve to be in butt joint with the adjusting rod.

In some embodiments, the adjustment rod is regular polygonal in cross-section, and the adjustment rod is sized to fit circumferentially with the sleeve.

In some embodiments, the adjusting plate is provided with at least two third sliding grooves extending along the up-down direction in parallel, the frame body is connected with a fastening bolt in a threaded manner corresponding to the third sliding grooves, and the fastening bolt is used for pressing against the adjusting plate to fix the height position of the adjusting plate.

In some embodiments, the rotary shaft is coaxially arranged at the bottom of the dial, the rotary shaft extends into the frame body, the scribing device comprises a band-type brake assembly, the band-type brake assembly comprises an arc-shaped brake arm, the brake arm is rotationally arranged in the frame body, a swing rod is rotationally connected to one protruding side of the brake arm, the swing rod is used for driving the brake arm to rotate, and one concave side of the brake arm is used for limiting the rotary shaft to rotate when the brake arm is tightly attached to the rotary shaft.

In some embodiments, a first support plate is horizontally arranged in the frame body, a first bearing seat is fixedly arranged on the first support plate, the first bearing seat is coaxially arranged with the dial, and the rotating shaft penetrates through the first bearing seat and is fixedly connected with an inner ring of the first bearing seat.

In some embodiments, the band-type brake assembly comprises a connecting plate and a top supporting spring, the connecting plate is U-shaped, the connecting plate comprises a top plate section, a vertical plate section and a bottom plate section, the top plate section is connected with the first supporting plate, the vertical plate section is perpendicular to the radial setting of the dial, the top supporting spring is arranged between the top plate section and the bottom plate section and is fixedly connected with the vertical plate section, the brake arm is arranged between the top plate section and the bottom plate section, one end of the brake arm is connected with the bottom plate section in a rotating mode, the other end of the brake arm is fixedly connected with the top supporting spring, and the swing rod penetrates through the vertical plate section and stretches out of the outer side of the frame body.

In some embodiments, the band-type brake assembly comprises a pedal arranged on the frame body, the pedal comprises a pedal section and a driving section which are fixedly connected and are arranged at an included angle, one end of the pedal section, which is connected with the driving section, is rotationally connected with the frame body, and the other end of the driving section is rotationally connected with the swing rod.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a second view angle according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a first scribing assembly according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a second scribing assembly according to an embodiment of the present utility model.

Fig. 5 is a schematic view illustrating connection between a frame and a hoop assembly at a first view angle in an embodiment of the present utility model.

Fig. 6 is a schematic diagram illustrating connection between a frame and a second view of a hoop assembly according to an embodiment of the present utility model.

Fig. 7 is a schematic structural view of a connection board according to an embodiment of the present utility model.

Reference numerals:

a frame body 1; a fastening bolt 11; an extension plate 12; a first support plate 13; a first bearing housing 14;

a mechanical chuck 2;

a dial 3; a rotation shaft 31;

a pointer 4;

an adjusting plate 5; a third chute 51;

a first scribing assembly 6; a first scribing pen 61; a first slide plate 62; a first chute 621; a connecting rod 63; a stopper spacer 64; a fastening nut 65;

a second scribing assembly 7; a second scribing pen 71; a second slide plate 72; a second chute 721; a sleeve 73; an adjustment lever 74; a stopper 75;

a disc 8 to be processed;

a band-type brake assembly 9; a brake arm 91; a swing lever 92; a connection plate 93; a top plate section 931; a vertical plate segment 932; a bottom plate segment 933; a jack spring 94; a pedal 95; a pedal segment 951; a drive section 952.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 to 7, the scribing device according to the embodiment of the utility model includes a frame 1, a mechanical chuck 2, a scale disc 3, a pointer 4, an adjusting plate 5, a first scribing assembly 6 and a second scribing assembly 7, the mechanical chuck 2 and the scale disc 3 are coaxially arranged and fixedly connected, the mechanical chuck 2 is used for centering and clamping a disc 8 to be processed so that the disc 8 to be processed is coaxially arranged with the scale disc 3, the scale disc 3 is rotatably assembled on the frame 1, the scale disc 3 is used for displaying the rotation angle of the scale disc 3, the pointer 4 is arranged on the frame 1, the pointer 4 extends along the radial direction of the scale disc 3 and points to the axis of the scale disc 3, the adjusting plate 5 is arranged on the frame 1 in an up-down direction position adjustable manner, the adjusting plate 5 is arranged perpendicular to the radial direction of the scale disc 3, the first scribing assembly 6 is slidably assembled on the adjusting plate 5, the first scribing assembly 6 includes a vertically arranged first scribing pen 61, the distance from the first scribing pen 61 to the adjusting plate 5 is equal to the distance from the axis of the scale disc 3 to the adjusting plate 5, the first scribing pen 61 is used for scribing the radial scribing on the disc 8 to be processed, the second scribing assembly 7 is slidably assembled on the adjusting plate 7 along the axial direction of the scale disc 3, the second scribing pen 71 is arranged along the direction of the second scribing pen 71 and is equal to the height of the second scribing pen 71 along the direction 71.

According to the scribing device provided by the embodiment of the utility model, the disc 8 to be processed can be rapidly clamped and fixed through the mechanical chuck 2, the axis of the disc 8 to be processed is enabled to coincide with the axis of the mechanical chuck 2, automatic centering is realized, the height of the adjusting plate 5 is adjusted, the first scribing pen 61 and the second scribing pen 71 can scribe the disc 8 to be processed, the first scribing assembly 6 is moved, the first scribing pen 61 shell is used for scribing along the radial direction of the disc 8 to be processed, the disc 8 to be processed can be rotated by a corresponding angle according to the processing requirement and the indication of the dial 3, the scribing along the radial direction of the disc 8 to be processed is carried out again, when the second scribing pen 71 is used for scribing, the distance between the second scribing pen 71 and the adjusting plate 5 can be adjusted according to the distance of a hole to be processed, so that the scribing position of the second scribing pen 71 on the disc 8 to be processed meets the scribing requirement, the mechanical chuck 2 is rotated, the disc 8 to be processed can be driven to rotate, and the scribing point of the second scribing pen 71 on the disc 8 to be processed along the circumferential direction of the disc 8 to be scribed, and the intersection point of the scribing pen 61 and the second scribing pen 71 to be the hole to be the base point of the hole to be punched.

The scribing device provided by the embodiment of the utility model simplifies the scribing flow, can directly scribe according to the position of the hole to be processed, improves the scribing efficiency, can adjust the space between the clamping jaws of the mechanical chuck 2, and is suitable for scribing processing before punching of circular cover parts with different diameters.

Optionally, the frame body 1 is formed by assembling plate bodies, the horizontal section of the frame body 1 is rectangular, and a bottom frame formed by welding square tubes is arranged at the bottom of the frame body 1, so that the overall stability of the frame body 1 is improved.

Alternatively, the mechanical chuck 2 employs a three-jaw chuck.

In some embodiments, as shown in fig. 1, 2 and 3, the first scribing assembly 6 includes a first sliding plate 62 and a connecting rod 63, a first sliding groove 621 adapted to the thickness dimension of the adjusting plate 5 is provided on the first sliding plate 62, the first sliding plate 62 is slidably provided on the top of the adjusting plate 5, the connecting rod 63 is provided perpendicular to the first sliding plate 62 and on one side of the first sliding plate 62 near the dial 3, and the first scribing pen 61 is provided on the connecting rod 63.

The first sliding plate 62 and the adjusting plate 5 are slidably assembled, so that the first scribing pen 61 moves relative to the adjusting plate 5, and the position of the first scribing pen 61 is conveniently adjusted through the connecting rod 63, so that the first scribing pen 61 can conveniently scribe.

In some embodiments, as shown in fig. 1, 2 and 3, the first scribing pen 61 is inserted through the connecting rod 63, a stop washer 64 is fixedly arranged on a rod section of the first scribing pen 61 below the connecting rod 63, the stop washer 64 is in stop fit with the connecting rod 63 in the up-down direction, a fastening nut 65 is connected to a rod section of the first scribing pen 61 above the connecting rod 63 in a threaded manner, and the fastening nut 65 is used for fixing the first scribing pen 61 and the connecting rod 63 together with the stop washer 64.

Through setting up the stop gasket 64 and fastening nut 65, realize the detachable connection of first marking off pen 61 and connecting rod 63, be convenient for dismantle first marking off pen 61, the convenient change and maintenance.

In some embodiments, as shown in fig. 1, 2 and 4, the second scribing assembly 7 includes a second slide plate 72, a sleeve 73, an adjusting rod 74 and a stopping member 75, a second sliding groove 721 matching the thickness dimension of the adjusting plate 5 is provided on the second slide plate 72, the second slide plate 72 is slidably provided on the top of the adjusting plate 5, the sleeve 73 is perpendicular to the second slide plate 72 and fixedly connected with the second slide plate 72, the adjusting rod 74 is penetrated in the sleeve 73 and penetrates through the second slide plate 72, one end of the adjusting rod 74, which is close to the dial 3, is connected with the second scribing pen 71, and the stopping member 75 is in threaded connection on the sleeve 73 and extends into the lumen of the sleeve 73 to abut on the adjusting rod 74.

The second slide plate 72 is arranged to drive the second scribing pen 71 and the adjusting rod 74 to move, interference caused by scribing operation of the second scribing assembly 7 on the first scribing assembly 6 is avoided, the position of the second scribing pen 71 is conveniently adjusted along the direction perpendicular to the adjusting plate 5 by arranging the sleeve 73, the adjusting rod 74 and the abutting piece 75, and the position of the second scribing pen 71 is conveniently fixed by the abutting piece 75, so that the adjustment is convenient.

Alternatively, the stop 75 may be a jackscrew or a jackbolt.

Optionally, the second scribing pen 71 is integrally formed with the adjustment lever 74.

Optionally, a second chute 721 is disposed below the adjustment rod 74 and spaced apart from the position where the adjustment rod 74 passes through the second slide plate 72.

In some embodiments, the cross-section of the adjustment stem 74 is a regular polygon, the adjustment stem 74 being sized to mate circumferentially with the sleeve 73.

By setting the cross section of the adjusting rod 74 to be regular polygon, the adjusting rod 74 is in rotation-stopping fit with the sleeve 73 in the circumferential direction, so that the second scribing pen 71 is prevented from deflecting when the disc 8 to be processed is scribed, and the scribing quality of the second scribing pen 71 is ensured.

Alternatively, the cross section of the adjustment lever 74 is a regular pentagon or a regular hexagon.

In some embodiments, as shown in fig. 1 and 2, at least two third sliding grooves 51 extending in the up-down direction are parallel arranged on the adjusting plate 5, and a fastening bolt 11 is screwed on the frame body 1 corresponding to the third sliding grooves 51, and the fastening bolt 11 is used for pressing against the adjusting plate 5 to fix the height position of the adjusting plate 5.

Through pegging graft fastening bolt 11 in third spout 51, fastening bolt 11 can support and press on regulating plate 5 to fix regulating plate 5's position, with the height of fixed regulating plate 5, simple structure, be convenient for processing and installation.

In some embodiments, as shown in fig. 1 and 2, the adjusting plate 5 has a U-shape and comprises two parallel vertical sections, on which a third sliding groove 51 is respectively provided.

The adjusting plate 5 is U-shaped, and the material consumption can be reduced under the condition of meeting the requirement of the supporting strength of the adjusting plate 5, and the weight of the adjusting plate 5 is reduced, so that the height position of the adjusting plate 5 is conveniently fixed.

In some embodiments, as shown in fig. 1 and 2, an extension plate 12 extending in the up-down direction is provided on one side of the top of the frame body 1 corresponding to the adjustment plate 5, and a fastening bolt 11 is screwed on the extension plate 12.

By providing the extension plate 12, the height adjustable by the adjustment plate 5 can be increased under the condition that the dimension of the adjustment plate 5 in the height direction is unchanged, so as to be suitable for processing the disc 8 to be processed with different heights, or the dimension of the adjustment plate 5 in the height direction can be shortened under the condition that the height adjustment range of the adjustment plate 5 is unchanged, the length of the third sliding groove 51 can be shortened, and the connection stability of the adjustment plate 5 and the frame body 1 can be increased.

Optionally, two extension plates 12 are provided on the frame.

Alternatively, two extension plates 12 are disposed adjacent and vertically.

In some embodiments, as shown in fig. 5 and 6, a rotating shaft 31 is coaxially arranged at the bottom of the dial 3, the rotating shaft 31 extends into the frame body 1, the scribing device comprises a band-type brake assembly 9, the band-type brake assembly 9 comprises an arc-shaped brake arm 91, the brake arm 91 is rotatably arranged in the frame body 1, a swing rod 92 is rotatably connected to one protruding side of the brake arm 91, the swing rod 92 is used for driving the brake arm 91 to rotate, and one concave side of the brake arm 91 is used for limiting the rotation of the rotating shaft 31 when the brake arm 91 is tightly attached to the rotating shaft 31.

Through setting up axis of rotation 31 and band-type brake subassembly 9, can be when first marking off pen 61 is drawn a line to wait to process disc 8 and fix, guarantee the marking off quality, and drive brake arm 91 through pendulum rod 92 and rotate, convenient operation.

In some embodiments, as shown in fig. 5 and 6, a first support plate 13 is horizontally disposed in the frame body 1, a first bearing seat 14 is fixedly disposed on the first support plate 13, the first bearing seat 14 is coaxially disposed with the dial 3, and a rotation shaft 31 passes through the first bearing seat 14 and is fixedly connected with an inner ring of the first bearing seat 14.

By providing the first support plate 13 and the first bearing seat 14 to support and limit the rotation shaft 31, the rotation shaft 31 is prevented from being deviated, and the braking effect of the brake arm 91 is ensured.

Optionally, a first opening through which the rotation shaft 31 passes is provided in the first support plate 13.

In some embodiments, as shown in fig. 5, 6 and 7, the band-type brake assembly 9 includes a connection plate 93 and a top supporting spring 94, the connection plate 93 is U-shaped, the connection plate 93 includes a top plate section 931, a vertical plate section 932 and a bottom plate section 933, the top plate section 931 is connected with the first support plate 13, the vertical plate section 932 is perpendicular to the radial setting of the dial 3, the top supporting spring 94 is disposed between the top plate section 931 and the bottom plate section 933 and fixedly connected with the vertical plate section 932, a brake arm 91 is disposed between the top plate section 931 and the bottom plate section 933, one end of the brake arm 91 is rotatably connected with the bottom plate section 933, the other end of the brake arm 91 is fixedly connected with the top supporting spring 94, and the swing rod 92 passes through the vertical plate section 932 and extends to the outer side of the frame body 1.

Under the action of no external force, the supporting spring 94 supports one end of the brake arm 91 under elastic force, so that the brake arm 91 rotates around one end connected with the bottom plate section 933 to be clung to the rotating shaft 31, further the rotating shaft 31 is braked, rotation of the rotating shaft 31 is avoided, when the mechanical chuck 2 needs to be rotated to rotate the disc 8 to be processed, the swing rod 92 is driven, the swing rod 92 drives the brake arm 91 to move in a direction away from the rotating shaft 31, and therefore the brake of the brake arm 91 to the rotating shaft 31 is relieved, operation is convenient, and fixation of the rotating shaft 31 is facilitated.

Optionally, a pin shaft is sleeved in the top supporting spring 94, one end of the pin shaft is fixedly connected with the brake arm 91, and the length of the pin shaft is smaller than the distance from the end of the brake arm 91 to the vertical plate section 932.

Optionally, a skid pad is provided on the side of the brake arm 91 near the rotation shaft 31, the skid pad serving to increase the braking effect of the brake arm 91.

In some embodiments, as shown in fig. 1, 2 and 6, the band-type brake assembly 9 includes a pedal 95 disposed on the frame 1, where the pedal 95 includes a pedal segment 951 and a driving segment 952 that are fixedly connected and disposed at an included angle, one end of the pedal segment 951 connected to the driving segment 952 is rotationally connected to the frame 1, and the other end of the driving segment 952 is rotationally connected to the swing rod 92.

Through setting up footboard 95, the operation personnel pedal section 951, and footboard 95 rotates around the position of being connected with support body 1, and drive end drive pendulum rod 92 removes and then drives brake arm 91 and rotate, releases the restriction of brake arm 91 to axis of rotation 31 to the convenient mechanical chuck 2 that rotates, easy operation, it is convenient to use.

Alternatively, the pedal 95 and the adjusting plate 5 are located on the same side of the frame body 1 or the pedal 95 and the adjusting plate 5 are located on adjacent two sides of the frame body 1, respectively.

Optionally, the angle between the pedal segment 951 and the drive segment 952 is at a right or acute angle.

In some embodiments, the top surface of the frame body 1 is provided with an avoidance groove, a second supporting plate is horizontally arranged in the frame body 1, a bracket is arranged on the second supporting plate, and one end of the bracket penetrating through the avoidance groove is fixedly connected with the pointer 4.

Through setting up the second backup pad, will hide and fix the support of being connected with pointer 4 and locate in the support body 1, make things convenient for the installation and the dismantlement of pointer 4, and reduced the adapting unit at support body 1 top, support body 1 top is succinct more, makes things convenient for the operation personnel to place other articles.

Optionally, a second opening through which the rotation shaft 31 passes is formed in the second support plate.

Optionally, the rotation shaft 31 passes through the second support plate, and a second support seat connected with the rotation shaft 31 is fixedly arranged on the second support plate.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A scribing apparatus, comprising:

a frame body;

the mechanical chuck is used for centering and clamping the disc to be processed so that the disc to be processed and the dial are coaxially arranged, the dial is rotationally assembled on the frame body, and the dial is used for displaying the rotation angle of the dial;

the pointer is arranged on the frame body, extends along the radial direction of the dial and points to the axis of the dial;

the adjusting plate is arranged on the frame body in an adjustable mode along the up-down direction, and is perpendicular to the radial direction of the dial;

the first scribing assembly is assembled on the adjusting plate in a sliding mode and comprises a first scribing pen which is vertically arranged, the distance from the first scribing pen to the adjusting plate is equal to the distance from the axis of the dial to the adjusting plate, and the first scribing pen is used for scribing on the disc to be processed along the radial direction of the disc to be processed;

the second scribing assembly is assembled on the adjusting plate in a sliding mode, the second scribing assembly comprises a second scribing pen which is arranged vertically, the height of the second scribing pen is the same as that of the first scribing pen, the position of the second scribing pen along the direction perpendicular to the adjusting plate is adjustable, and the second scribing pen is used for scribing the disc to be processed along the circumferential direction of the disc to be processed.

2. The scribing device of claim 1, wherein the first scribing assembly comprises a first sliding plate and a connecting rod, a first sliding groove matched with the thickness dimension of the adjusting plate is formed in the first sliding plate, the first sliding plate is slidably arranged at the top of the adjusting plate, the connecting rod is perpendicular to the first sliding plate and is arranged on one side, close to the dial, of the first sliding plate, and the first scribing pen is arranged on the connecting rod.

3. The scribing device according to claim 2, wherein the first scribing pen is inserted through the connecting rod, a stop washer is fixedly arranged on a rod section of the first scribing pen, which is positioned below the connecting rod, the stop washer is in stop fit with the connecting rod in the up-down direction, a fastening nut is in threaded connection with the rod section of the first scribing pen, which is positioned above the connecting rod, and the fastening nut is used for fixing the first scribing pen and the connecting rod together with the stop washer.

4. The scribing device according to claim 1, wherein the second scribing assembly comprises a second sliding plate, a sleeve, an adjusting rod and a stopping piece, the second sliding plate is provided with a second sliding groove which is matched with the thickness dimension of the adjusting plate, the second sliding plate is slidably arranged at the top of the adjusting plate, the sleeve is perpendicular to the second sliding plate and fixedly connected with the second sliding plate, the adjusting rod penetrates through the sleeve and penetrates through the second sliding plate, one end, close to the dial, of the adjusting rod is connected with the second scribing pen, and the stopping piece is in threaded connection with the sleeve and extends into a tube cavity of the sleeve to be abutted against the adjusting rod.

5. The scribing device as in claim 4, wherein the adjusting rod is regular polygonal in cross section, the adjusting rod being sized to fit circumferentially with the sleeve in a non-rotational fit.

6. The scribing device according to claim 1, wherein at least two third sliding grooves extending in the up-down direction are arranged on the adjusting plate in parallel, fastening bolts are connected to the frame body in a threaded manner corresponding to the third sliding grooves, and the fastening bolts are used for pressing against the adjusting plate to fix the height position of the adjusting plate.

7. The scribing device as in any one of claims 1-6, wherein a rotation shaft is coaxially arranged at the bottom of the dial, the rotation shaft extends into the frame body, the scribing device comprises a band-type brake assembly, the band-type brake assembly comprises an arc-shaped brake arm, the brake arm is rotatably arranged in the frame body, a swinging rod is rotatably connected to one protruding side of the brake arm, the swinging rod is used for driving the brake arm to rotate, and one concave side of the brake arm is used for limiting the rotation shaft to rotate when the brake arm is tightly attached to the rotation shaft.

8. The scribing device as in claim 7, wherein a first support plate is horizontally arranged in the frame body, a first bearing seat is fixedly arranged on the first support plate, the first bearing seat is coaxially arranged with the dial, and the rotating shaft penetrates through the first bearing seat and is fixedly connected with an inner ring of the first bearing seat.

9. The line striping apparatus of claim 8, wherein the band-type brake assembly comprises a connecting plate and a top support spring, the connecting plate is U-shaped, the connecting plate comprises a top plate section, a vertical plate section and a bottom plate section, the top plate section is connected with the first support plate, the vertical plate section is perpendicular to the radial direction of the dial, the top support spring is arranged between the top plate section and the bottom plate section and fixedly connected with the vertical plate section, the brake arm is arranged between the top plate section and the bottom plate section, one end of the brake arm is rotatably connected with the bottom plate section, the other end of the brake arm is fixedly connected with the top support spring, and the swing rod penetrates through the vertical plate section and extends to the outer side of the frame body.

10. The scribing device of claim 9, wherein the band-type brake assembly comprises a pedal arranged on the frame body, the pedal comprises a pedal section and a driving section which are fixedly connected and are arranged in an included angle, one end of the pedal section connected with the driving section is rotatably connected with the frame body, and the other end of the driving section is rotatably connected with the swing rod.