Adjustable anti-loosening mark marking device

Abstract

The invention discloses an adjustable anti-loosening mark marking device. The adjustable anti-loosening mark marking device comprises a tool frame, an adjusting mechanism, a tool sample plate and a marking mechanism. The tool frame comprises a vertical plate and an extension plate arranged on one side of the vertical plate, and a semicircular open groove is formed in the end of the extension plate. And the adjusting mechanism is arranged on the extension plate and is provided with a clamping groove facing the same direction as the semicircular opening groove. The tool sample plate comprises a plate body and a semicircular receding groove formed in the plate body, a lineation groove is formed in the radial direction of the semicircular receding groove, and the tool sample plate is clamped into the clamping groove so that the semicircular receding groove can be opposite to the semicircular opening groove. A supporting frame of the scribing mechanism is installed on the extending plate and located above the semicircular open groove, the displacement mechanism is rotatably installed on the supporting frame and can move in the radial direction of the semicircular open groove, and the scribing pen is installed at the end of the displacement mechanism. When the displacement mechanism moves in the radial direction of the lineation groove, the lineation pen is driven to lineate along the lineation groove. According to the scheme, line-loosening-preventing fixed-angle and fixed-length line drawing can be achieved, and the line drawing quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of assembly equipment, in particular to an adjustable anti-loosening mark marking device. BACKGROUND

[0002] In the industrial field, the anti-loosening mark is usually referred to as a mark or a torque mark, and the specific method is that, after a bolt / nut and a connected part are fastened to a specified torque value, a mark of a clear and coherent straight line is drawn on the corresponding positions of the bolt head / nut and the connected part by using a marker pen or paint of a specific color. The simple mark constitutes a visual reference of an initial position. For a heavy and high-vibration and high-impact environment equipment such as a press, the reliability of bolt connection is crucial, and directly relates to equipment safety, production quality and personal safety. Therefore, the anti-loosening mark must be drawn to monitor whether the bolt is loosened.

[0003] During the observation of on-site quality operation, it is found that the drawing of the anti-loosening mark is not standardized, and the anti-loosening line cannot ensure the predetermined angle standard with the related parts, and the length of the anti-loosening line extending to the surface of the workpiece is uneven. These problems seriously affect the overall appearance quality of the product, and result in that the drawing of the anti-loosening line is not only low in efficiency, but also difficult to guarantee the quality. SUMMARY

[0004] The application aims to provide an adjustable anti-loosening mark marking device which can realize angle and length marking of the anti-loosening line, and improve the marking quality and efficiency.

[0005] The application provides an adjustable anti-loosening mark marking device, which comprises: A tool holder comprises a vertical plate and an extension plate arranged on one side of the vertical plate, and a semicircular open slot is arranged at the end of the extension plate, and the opening direction of the semicircular open slot is consistent with that of the extension plate; An adjusting mechanism is installed on the extension plate and is provided with a clamping slot with the same opening direction as the semicircular open slot; A tool sample plate comprises a plate body and a semicircular avoiding slot arranged on the plate body, and a marking slot in communication with the semicircular avoiding slot is arranged in the radial direction of the semicircular avoiding slot; the tool sample plate is clamped into the clamping slot, and the semicircular avoiding slot is opposite to the semicircular open slot; A marking mechanism comprises a support frame, a displacement mechanism and a marking pen, the support frame is installed on the extension plate and above the semicircular open slot, the displacement mechanism is rotatably installed on the support frame and is configured to move in the radial direction of the semicircular open slot, the marking pen is installed at the end of the displacement mechanism, and the pen point of the marking pen faces the tool sample plate side; When the displacement mechanism is rotated to the direction of the marking slot of the tool sample plate and moves in the radial direction of the marking slot, the displacement mechanism drives the marking pen to mark along the marking slot.

[0006] In an embodiment, the adjusting mechanism comprises a transmission box, a transmission structure, an adjusting frame, and a mounting seat; The transmission box is embeddedly mounted in the extension plate between the semicircular opening groove and the vertical plate, and each end of the transmission box is connected with the first end of the adjusting frame; the transmission structure is mounted in the transmission box for driving the adjusting frames to move towards or away from each other; The second end of each adjusting frame extends to the front end of the extension plate, and a mounting seat is mounted on the front end of each adjusting frame, and a clamping groove is arranged on each mounting seat.

[0007] In an embodiment, the adjusting mechanism further comprises a clamping structure arranged in the clamping groove for clamping the tool sample plate.

[0008] In an embodiment, the clamping structure comprises an adjusting screw, a fixed frame, and a fixed clamping plate; the fixed frame slides through the side wall of the mounting seat, one end of the fixed frame extends into the clamping groove as an inner end, and the other end of the fixed frame extends out of the clamping groove as an outer end; the inner end of the fixed frame is connected with the fixed clamping plate, and the outer end of the fixed frame is connected with the adjusting screw; The adjusting screw is rotated to change the position of the fixed frame, so that the fixed clamping plate and the clamping groove cooperate to clamp or release the tool sample plate.

[0009] In an embodiment, the transmission structure comprises a reversible screw, an adjusting member, a driving bevel gear, and a driven bevel gear; The reversible screw is arranged in the transmission box and is threadedly connected with the adjusting frames at both ends, the threads on both sides of the reversible screw are opposite to each other with the middle part as a boundary, and the two adjusting frames are slidingly connected with the two ends of the transmission box; the driven bevel gear is mounted at the middle position of the reversible screw, the driving bevel gear is mounted on the inner wall of the transmission box and is engaged with the driven bevel gear; the adjusting member is arranged outside the transmission box and extends into the transmission box to be connected with the driving bevel gear; During operation, the adjusting member is rotated to drive the driving bevel gear to rotate, and then the driven bevel gear is rotated, and the reversible screw is rotated with the driven bevel gear to drive the two adjusting frames to move towards or away from each other.

[0010] In an embodiment, the displacement mechanism of the scribing mechanism comprises a rotating member, a rotating gear, and a moving frame; The rotating member is rotatably mounted on the support frame of the scribing mechanism, and the axis is consistent with the extension direction of the vertical plate; The rotating gear is rotatably sleeved and mounted on the rotating member, and the rotating axis is consistent with the axis of the rotating member; The moving frame is a long strip structure provided with a rectangular through slot, and the long side wall of one side of the rectangular through slot is provided with a rack structure; the rotating gear passes through the rectangular through slot of the moving frame and cooperates with the rack structure in the rectangular through slot; The end of the moving frame is provided with a scribing pen.

[0011] In an implementable scheme, the scribing mechanism further comprises a movable rack, a driving member and an adjusting gear; The adjusting gear is mounted at the end of the moving frame and in the rectangular through slot, and the rotation axis of the adjusting gear is perpendicular to the extension direction of the moving frame, and the driving member is used to drive the rotation of the adjusting gear; The movable rack is arranged between the adjusting gear and the inner wall of the end of the rectangular through slot, and the movable rack is engaged with the adjusting gear; The lower end of the movable rack is mounted with the scribing pen, and the driving member is rotated to drive the rotation of the adjusting gear, so that the movable rack moves to change the height of the pen tip relative to the tool template.

[0012] In an implementable scheme, the other side of the rack structure of the rectangular through slot of the moving frame is provided with a guide slot along the extension direction, one side of the rotating gear is engaged with the rack structure in the rectangular through slot, and the other side is inserted into the guide slot to form a limit.

[0013] In an implementable scheme, the number of scribing mechanisms is n, where n≥2, and the rotating gear comprises n rotating gears with different heights, the n rotating gears with different heights are fixed on the same rotating sleeve, and the rotating sleeve is sleeved on the rotating member to realize the synchronous rotation of the n rotating gears; In each scribing mechanism, the rack structure of the moving frame is engaged with the rotating gear, and the other side of the rotating gear is inserted into the guide slot to form a spacing limit for each moving frame; The moving frames of each scribing mechanism are at a predetermined included angle.

[0014] In an implementable scheme, the tool template comprises n scribing grooves, and the included angle between the scribing grooves is consistent with the included angle between the moving frames.

[0015] Compared with the prior art, the beneficial effects of the present application at least include: In the scheme of the present application, after selecting a tool template with an adaptive bolt, the tool template is installed on the adjusting mechanism, specifically, the semicircular avoiding groove is opposite to the semicircular open groove, and then the tool template is clamped into the clamping groove. Then, the area formed by the semicircular avoiding groove and the semicircular open groove is sleeved around the bolt or nut that needs to be scribed. At this time, the semicircular avoiding groove on the plate body can avoid the bolt head. Then, the displacement mechanism of the scribing mechanism is operated to make the displacement mechanism move along the direction of the scribing groove, and then the displacement mechanism moves along the direction of the scribing groove and makes the scribing pen scribe along the scribing groove. Since the displacement direction of the displacement mechanism is consistent with the direction of the scribing groove, and the scribing groove forms a guiding effect and limits the scribing length, the scribing angle can be ensured to be accurate, the scribing length can be ensured to be standard, the overall scribing appearance quality of the product is improved, the painting efficiency is improved, and the scribing quality consistency is ensured.

[0016] In a further scheme, three scribing mechanisms are provided, and the included angle between the moving frames of each scribing mechanism is 30°. Correspondingly, the tooling template includes one scribing groove, and the included angle between the scribing grooves is consistent with the included angle between the moving frames, also 30°. The rotating gear includes three rotating gears with different heights, and the rack structures and guide grooves of the three moving frames are matched with the rotating gears with different heights respectively. The scribing pens on the three scribing mechanisms can be red, yellow and blue respectively. The three moving frames drive the three scribing pens to move synchronously, so that the scribing pens can accurately scribe along with the movement of the moving frames, and meanwhile, the three moving frames ensure that the included angle between the three anti-loose lines always maintains 30° standard, avoiding the angle error caused by the reference deviation, and realizing the semi-automatic and standardized painting of the anti-loose mark, which significantly improves the scribing efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 And Figure 2 is a perspective view of the adjustable anti-loose mark scribing device from different angles according to an embodiment of the present application.

[0019] Figure 3 is a perspective structural schematic view of the adjusting mechanism according to an embodiment of the present application.

[0020] Figure 4 is Figure 1 is an enlarged view of A in FIG.

[0021] Figure 5 is Figure 3 is an enlarged view of B in FIG.

[0022] Figure 6 is Figure 3 is an enlarged view of C in FIG.

[0023] Figure 7 is a perspective structural schematic view of the tooling template according to an embodiment of the present application.

[0024] Figure 8 is a perspective structural schematic view of the scribing mechanism according to an embodiment of the present application.

[0025] Figure 9 is a schematic view of the end structure of the moving frame of the scribing mechanism according to an embodiment of the present application.

[0026] Figure 10 The structural schematic diagram of the rotating gear shown in the embodiment of the present application.

[0027] In the figure: 1, tool frame; 101, vertical plate; 102, extension plate; 103, semicircular opening groove; 2, adjusting mechanism; 21, transmission box; 22, forward and reverse screw rod; 23, adjusting frame; 24, mounting seat; 25, adjusting screw rod; 26, fixing frame; 27, fixing clamping plate; 28, clamping groove; 29, adjusting piece; 210, driving bevel gear; 211, driven bevel gear; 3, tool sample plate; 31, plate body; 32, semicircular avoidance groove; 33, scribing groove; 34, classification identification; 4, scribing mechanism; 41, support frame; 42, rotating piece; 43, rotating gear; 44, moving frame; 45, movable rack; 46, scribing pen; 47, driving piece; 48, adjusting gear; 49, guide groove; 410, rack structure; 6, holding groove; 10, storage frame. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0030] As Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 indicated, the embodiment of the present application provides an adjustable anti-loose identification scribing device, which comprises a tool frame 1, an adjusting mechanism 2, a tool sample plate 3 and a scribing mechanism 4.

[0031] The tool frame 1 comprises a vertical plate 101 and an extension plate 102 arranged on one side of the vertical plate 101, and the extension plate 102 is provided with a semicircular opening groove 103 at the end thereof, and the opening of the semicircular opening groove 103 is consistent with the extension plate 102. The vertical plate 101 can be provided with a holding groove 6 for holding. The adjusting mechanism 2 is installed on the extension plate 102 and is provided with a clamping groove 28 with the same orientation as the semicircular opening groove 103.

[0032] The tooling template 3 includes a plate body 31 and a semicircular avoiding groove 32 arranged on the plate body 31, and a scribing groove 33 arranged in the radial direction of the semicircular avoiding groove 32 and communicating with the semicircular avoiding groove 32; the tooling template 3 is clamped into the clamping groove 28, and the semicircular avoiding groove 32 is opposite to the semicircular opening groove 103.

[0033] The scribing mechanism 4 includes a support frame 41, a displacement mechanism and a scribing pen 46; the support frame 41 is mounted on the extension plate 102 and above the semicircular opening groove 103; the displacement mechanism is rotatably mounted on the support frame 41 and is configured to move in the radial direction of the semicircular opening groove 103; the scribing pen 46 is mounted on the end of the displacement mechanism, and the nib of the scribing pen 46 faces the tooling template 3 side.

[0034] In the process of scribing, the displacement mechanism is rotated to the direction of the scribing groove 33 of the tooling template 3, and the displacement mechanism moves in the radial direction of the scribing groove 33, so that the displacement mechanism drives the scribing pen 46 to scribe along the scribing groove 33.

[0035] In some embodiments, as shown in Figure 2 The opposite side of the vertical plate 101 to the extension plate 102 can be provided with a storage frame 10, and the inside of the storage frame 10 is placed with a plurality of tooling templates 3; the sizes of the semicircular avoiding grooves 32 of each tooling template 3 are different, which are used to adapt to different bolts or nuts. The semicircular avoiding groove 32 is used to avoid the protruding part of the bolt or nut, so as to ensure that the scribing operation is not disturbed.

[0036] In some embodiments, as shown in Figure 7 The plate body 31 of the tooling template 3 can be provided with a classification mark 34, which is used to distinguish different size specifications, so as to adapt to bolts or nuts of different sizes.

[0037] In use, the required tooling template 3 is taken out from the storage frame 10, and the classification mark 34 on the plate body 31 can help the operator to quickly identify and select the tooling template 3 that adapts to the bolt of different specifications. After selecting the template, it is installed on the adjusting mechanism 2, specifically the semicircular avoiding groove 32 is opposite to the semicircular opening groove 103, and then the tooling template 3 is clamped into the clamping groove 28. Then, the area formed by the semicircular avoiding groove 32 and the semicircular opening groove 103 is sleeved around the bolt or nut that needs to be scribed. At this time, the semicircular avoiding groove 32 on the plate body 31 can avoid the bolt head. Then, the displacement mechanism of the scribing mechanism 4 is operated to move the displacement mechanism in the direction of the scribing groove 33, and then the displacement mechanism moves in the direction of the scribing groove 33 and the scribing pen 46 scribes along the scribing groove 33. Since the displacement direction of the displacement mechanism is consistent with the direction of the scribing groove 33, and the scribing groove 33 forms a guiding effect and limits the scribing length, it can ensure the accuracy of the scribing angle, the specification of the scribing length, improve the overall scribing appearance quality of the product, improve the painting efficiency and ensure the consistency of the scribing quality.

[0038] In some embodiments, as shown in Figure 3 and Figure 4 , the adjusting mechanism 2 can include a transmission box 21, a transmission structure, an adjusting frame 23, a mounting seat 24; the transmission box 21 is embeddedly mounted in the extension plate 102 and between the semicircular opening slot 103 and the vertical plate 101, and the two ends of the transmission box 21 are respectively connected with the first end of the adjusting frame 23; the transmission structure is mounted in the transmission box 21 for driving the adjusting frame 23 to move towards or away from each other; the second end of the two adjusting frames 23 extends to the front end of the extension plate 102, and the front end of each adjusting frame 23 is mounted with a mounting seat 24, and each mounting seat 24 is provided with a clamping groove 28.

[0039] In some embodiments, as shown in Figure 5 , the adjusting mechanism 2 can further include a clamping structure arranged in the clamping groove 28 for clamping the tool sample plate 3.

[0040] In some embodiments, as shown in Figure 5 , the clamping structure can include an adjusting screw 25, a fixed frame 26 and a fixed clamping plate 27; the fixed frame 26 slides through the side wall of the mounting seat 24, one end of which extends into the clamping groove 28 as an inner end, and the other end of which extends out of the clamping groove 28 as an outer end, the inner end of the fixed frame 26 is connected with the fixed clamping plate 27, and the outer end of the fixed frame 26 is connected with the adjusting screw 25; the adjusting screw 25 is rotated to change the position of the fixed frame 26, so that the fixed clamping plate 27 cooperates with the clamping groove 28 to clamp or release the tool sample plate 3.

[0041] In some embodiments, as shown in Figure 6 , the transmission structure can include a reversible screw 22, an adjusting part 29, a driving bevel gear 210 and a driven bevel gear 211; the reversible screw 22 is arranged in the transmission box 21 and the two ends thereof are respectively threadedly connected with the adjusting frame 23, the threads on the two sides of the reversible screw 22 are opposite in direction, and the two adjusting frames 23 are respectively slidingly fitted with the two ends of the transmission box 21; the driven bevel gear 211 is mounted at the middle position of the reversible screw 22, the driving bevel gear 210 is mounted on the inner wall of the transmission box 21 and is in mesh with the driven bevel gear 211; the adjusting part 29 is arranged outside the transmission box 21, and the adjusting part 29 extends into the transmission box 21 and is connected with the driving bevel gear 210.

[0042] In operation, the adjusting part 29 is rotated to drive the driving bevel gear 210 to rotate, and then drive the driven bevel gear 211 to rotate, and the reversible screw 22 is rotated with the driven bevel gear 211 to drive the two adjusting frames 23 to move towards or away from each other.

[0043] In some embodiments, as shown in Figure 8 and Figure 9As shown, the displacement mechanism of the scribing mechanism 4 can include a rotating piece 42, a rotating gear 43, and a moving frame 44. The rotating piece 42 is rotatably mounted on a support frame 41 of the scribing mechanism 4, and the axis line is consistent with the extending direction of the vertical plate 101. The rotating gear 43 is rotatably mounted on the rotating piece 42, and the rotating axis line is consistent with the axis line of the rotating piece 42. The moving frame 44 is a long strip structure provided with a rectangular through slot. One side of the long side wall of the rectangular through slot is provided with a rack structure 410. The rotating gear 43 passes through the rectangular through slot of the moving frame 44 and cooperates with the rack structure 410 in the rectangular through slot. The end of the moving frame 44 is mounted with a scribing pen 46.

[0044] In some embodiments, as shown in Figure 9 The scribing mechanism 4 can further include a movable rack 45, a driving piece 47, and an adjusting gear 48. The adjusting gear 48 is mounted at the end of the moving frame 44 and is located in the rectangular through slot. The rotating axis line of the adjusting gear 48 is perpendicular to the extending direction of the moving frame 44. The driving piece 47 is used to drive the rotating of the adjusting gear 48. The movable rack 45 is arranged between the adjusting gear 48 and the inner wall of the end of the rectangular through slot, and the movable rack 45 is engaged with the adjusting gear 48. The lower end of the movable rack 45 is mounted with the scribing pen 46. The rotating of the driving piece 47 drives the rotating of the adjusting gear 48, so that the movable rack 45 moves to change the height of the nib of the scribing pen 46 relative to the tool sample plate 3.

[0045] In some embodiments, a pressure sensor can be arranged at the connection between the movable rack 45 and the scribing pen 46. The pressure sensor monitors the contact pressure of the scribing pen 46 with the bolt and the workpiece, and can be sent to the arranged controller to determine whether the scribing pen 46 is in good contact with the workpiece, to ensure that the scribing is in place.

[0046] In some embodiments, as shown in Figure 9 The other side of the rack structure 410 of the rectangular through slot of the moving frame 44 is provided with a guide slot 49 along the extending direction. One side of the rotating gear 43 is engaged with the rack structure 410 in the rectangular through slot, and the other side is inserted into the guide slot 49 to form a limit.

[0047] In some embodiments, as shown in Figure 8 The number of the scribing mechanism 4 can be n, where n≥2. As shown in Figure 10 The rotating gear 43 includes n rotating gears 43 with different heights. The n rotating gears 43 with different heights are fixed on the same rotating sleeve, and the rotating sleeve is sleeved on the rotating piece 42 to realize the synchronous rotation of the n rotating gears 43. In each scribing mechanism 4, the rack structure 410 of the moving frame 44 is engaged with the rotating gear 43. The other side of the rotating gear 43 is inserted into the guide slot 49 to form a spacing limit for each moving frame 44. The moving frames 44 of each scribing mechanism 4 are at a predetermined included angle.

[0048] Correspondingly, in some embodiments, as shown in Figure 7 the tooling template 3 includes n scribe slots 33, the included angle between the scribe slots 33 is consistent with the included angle between the moving frames 44.

[0049] When one of the moving frames 44 is pushed, the corresponding rotating gear 43 is rotated, and n rotating gears 43 of different heights are simultaneously rotated, and the moving frames 44 of the other scribe mechanisms 4 are also synchronously moved, thereby realizing the synchronous scribing of the n scribe pens 46. Because the included angle between the moving frames 44 is determined, and the included angle between the n scribe slots 33 is determined, the n scribe pens 46 can be strictly scribed along the predetermined angle, the angle between each scribe is accurate, and the length is consistent, thereby effectively ensuring the efficiency and scribing accuracy.

[0050] In some embodiments, the n scribe pens 46 can adopt different colors.

[0051] For example, in some embodiments, as shown in Figure 8 n=3, that is, there are three scribe mechanisms 4, and the included angle between the moving frames 44 of each scribe mechanism 4 is 30°. Correspondingly, as shown in Figure 7 the tooling template 3 includes 3 scribe slots 33, the included angle between the scribe slots 33 is consistent with the included angle between the moving frames 44, that is, 30°. And as shown in Figure 10 the rotating gear 43 includes three rotating gears 43 of different heights, and the rack structure 410 and the guide slot 49 of the three moving frames 44 are respectively matched with the rotating gears 43 of different heights. The scribe pens 46 on the three scribe mechanisms 4 can be respectively red, yellow and blue. The three moving frames 44 synchronously move the three scribe pens 46, so that the scribe pens 46 can accurately scribe with the movement of the moving frames 44, and at the same time, the three moving frames 44 ensure that the included angle between the three anti-loose lines always maintains the 30° standard, avoids the angle error caused by the reference offset, realizes the semi-automatic and standardized painting of the anti-loose mark, and significantly improves the scribing efficiency and quality.

[0052] The above only describes some preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable anti-loose marking scribe device, characterized in that, The utility model relates to a kind of tooling jig and tooling sample plate, including: Tooling jig (1), including vertical plate (101) and the extension plate (102) being arranged in the one side of vertical plate (101), the end of extension plate (102) is provided with semicircular open slot (103), the opening of semicircular open slot (103) is consistent with the direction of extension plate (102); Adjusting mechanism (2) is installed on the extension plate (102), and is provided with the clamping groove (28) with the same direction as the semicircular open slot (103); Tooling sample plate (3), including plate body (31) and the semicircular avoiding slot (32) being arranged on plate body (31), along the radial direction of semicircular avoiding slot (32) is provided with the scribing groove (33) being communicated with semicircular avoiding slot (32);Tooling sample plate (3) is clamped into clamping groove (28), and semicircular avoiding slot (32) is opposite to semicircular open slot (103); Scribing mechanism (4), including support frame (41), displacement mechanism and scribing pen (46), support frame (41) is installed on the extension plate (102) and is above semicircular open slot (103), displacement mechanism is rotatably installed on support frame (41), and displacement mechanism is configured to be movable along the radial direction of semicircular open slot (103), scribing pen (46) is installed on the end of displacement mechanism, and the nib of scribing pen (46) is towards the side of tooling sample plate (3); Wherein, the displacement mechanism rotates to the direction of scribing groove (33) of tooling sample plate (3), and when the displacement mechanism moves along the radial direction of scribing groove (33), the displacement mechanism drives scribing pen (46) to scribe along scribing groove (33).

2. The adjustable anti-loose marking line device of claim 1, wherein, The adjusting mechanism (2) includes transmission box (21), transmission structure, adjusting frame (23), mounting seat (24); The transmission box (21) is embeddedly installed in the extension plate (102) and is between the semicircular open slot (103) and the vertical plate (101), and the two ends of the transmission box (21) are respectively connected with the first end of the adjusting frame (23); the transmission structure is installed in the transmission box (21) for driving the adjusting frame (23) to move towards or away from each other simultaneously; The second end of the two adjusting frames (23) extends to the front end of the extension plate (102), and the front end of each adjusting frame (23) is provided with the mounting seat (24), and the clamping groove (28) is arranged on the mounting seat (24).

3. The adjustable anti-loose marking line device of claim 2, wherein, The adjusting mechanism (2) further includes a clamping structure arranged in the clamping groove (28) for clamping the tooling sample plate (3).

4. The adjustable anti-loose marking line device of claim 3, wherein, The clamping structure includes an adjusting screw (25), a fixed frame (26) and a fixed clamping plate (27); the fixed frame (26) slides through the side wall of the mounting seat (24), one end of which extends into the clamping groove (28) as an inner end, and the other end of which extends out of the clamping groove (28) as an outer end; the inner end of the fixed frame (26) is connected with the fixed clamping plate (27), and the outer end of the fixed frame (26) is connected with the adjusting screw (25). Rotating the adjusting screw (25) to change the position of the fixed frame (26) so that the fixed clamping plate (27) and the clamping groove (28) cooperate to clamp or loosen the tool sample (3).

5. The adjustable anti-unscrewing witness line device of claim 2, wherein, The transmission structure comprises a positive and negative screw (22), an adjusting part (29), a driving bevel gear (210) and a driven bevel gear (211); The positive and negative screw (22) is arranged in the transmission box (21) and its two ends are respectively threadedly connected with the adjusting frames (23), the threads on the two sides of the positive and negative screw (22) are opposite, the two adjusting frames (23) are respectively slidably connected with the two ends of the transmission box (21); the driven bevel gear (211) is installed at the middle position of the positive and negative screw (22), the driving bevel gear (210) is installed on the inner wall of the transmission box (21) and is in mesh with the driven bevel gear (211); the adjusting part (29) is arranged outside the transmission box (21), and the adjusting part (29) extends into the transmission box (21) and is connected with the driving bevel gear (210); During operation, rotating the adjusting part (29) drives the driving bevel gear (210) to rotate, and then drives the driven bevel gear (211) to rotate, and the positive and negative screw (22) rotates with the driven bevel gear (211) to drive the two adjusting frames (23) to move close to or away from each other.

6. The adjustable anti-unscrewing witness line device of claim 1, wherein, The displacement mechanism of the scribing mechanism (4) comprises a rotating part (42), a rotating gear (43) and a moving frame (44); The rotating part (42) is rotatably installed on the support frame (41) of the scribing mechanism (4) and its axis is consistent with the extending direction of the vertical plate (101); The rotating gear (43) is rotatably installed on the rotating part (42) and its rotating axis is consistent with the axis of the rotating part (42); The moving frame (44) is a long strip structure provided with a rectangular through slot, one side of the long side wall of the rectangular through slot is provided with a rack structure (410), the rotating gear (43) passes through the rectangular through slot of the moving frame (44) and cooperates with the rack structure (410) in the rectangular through slot; The end of the moving frame (44) is provided with the scribing pen (46).

7. The adjustable anti-unscrewing witness line device of claim 6, wherein, The scribing mechanism (4) further comprises a movable rack (45), a driving part (47) and an adjusting gear (48); The adjusting gear (48) is installed at the end of the moving frame (44) and is located in the rectangular through slot, and the rotating axis of the adjusting gear (48) is perpendicular to the extending direction of the moving frame (44), and the driving part (47) is used for driving the adjusting gear (48) to rotate; The movable rack (45) is arranged between the adjusting gear (48) and the inner wall of the end of the rectangular through slot, and the movable rack (45) is in mesh with the adjusting gear (48). The lower end of the movable rack (45) is installed with the scribe pen (46), and the driving member (47) is rotated to drive the adjusting gear (48) to rotate, so that the movable rack (45) moves to change the height of the scribe pen (46) relative to the tool template (3).

8. The adjustable anti -loose marking line device according to claim 7, wherein, The other side of the rack structure (410) of the rectangular through slot of the moving frame (44) is provided with a guide slot (49) extending in the direction, one side of the rotating gear (43) engages with the rack structure (410) in the rectangular through slot, and the other side is inserted into the guide slot (49) to form a limit.

9. The adjustable anti -loose marking line device of claim 8, wherein, The number of the scribe mechanism (4) is n, wherein n≥2, and the rotating gear (43) includes n rotating gears (43) with different heights, the n rotating gears (43) with different heights are fixed on the same rotating sleeve, and the rotating sleeve is sleeved on the rotating member (42), so that the n rotating gears (43) are synchronously rotated; In each scribe mechanism (4), the rack structure (410) of the moving frame (44) engages with the rotating gear (43), and the other side of the rotating gear (43) is inserted into the guide slot (49) to form a spacing limit for each moving frame (44); The moving frames (44) of each scribe mechanism (4) are at a predetermined included angle.

10. The adjustable anti -loose marking line device of claim 8, wherein, The tool template (3) includes n scribe grooves (33), and the included angle between the scribe grooves (33) is consistent with the included angle between the moving frames (44). The lower end of the movable rack (45) is installed with the scribe pen (46), and the driving member (47) is rotated to drive the adjusting gear (48) to rotate, so that the movable rack (45) moves to change the height of the scribe pen (46) relative to the tool template (3).

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