CN214136030U - Marking device suitable for disc - Google Patents
Marking device suitable for disc Download PDFInfo
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- CN214136030U CN214136030U CN202021485973.6U CN202021485973U CN214136030U CN 214136030 U CN214136030 U CN 214136030U CN 202021485973 U CN202021485973 U CN 202021485973U CN 214136030 U CN214136030 U CN 214136030U
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Abstract
A scribing device suitable for a disc comprises a rotary indexing handle, a rotary worktable, a three-jaw chuck, a fixed pressing plate and a scribing part; the rotary indexing handle is arranged on the side surface of the rotary worktable; the three-jaw chuck is fixed in the center of the upper end face of the rotary worktable through a fixed pressing plate; the scribing part is arranged on the rotary table. The novel marking off precision that has improved of this experiment has reduced staff's intensity of labour.
Description
Technical Field
The utility model relates to a marking device, especially a marking device suitable for draw centripetal straight line and centripetal circle on the disc belongs to machining technical field.
Background
In the machining process, the processes of drilling a through hole and a threaded hole at a specific position of a machined part are common processes, and an essential process before drilling is to mark a line on the machined part by a worker and mark a central point of the punching position on the machined part; the scribing mode of the disc parts with smaller diameters is simple, and the scribing work can be completed only by using the height vernier caliper and the universal dividing head in a matched mode; when the disc parts with larger diameters are scribed, the scribing method of the disc parts with small diameters is not used any more, the disc parts with large diameters can only be scribed by using common compasses and a long ruler, and the scribing effect can be finished by at least matching two persons, so that the precision of the scribing mode is difficult to guarantee, larger errors can be further increased in subsequent drilling operation, and the product quality cannot be guaranteed; therefore, a scribing device is needed, so that a worker can scribe the large-diameter disc by one person, scribing accuracy can be guaranteed, and disc machining quality can be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a marking device suitable for disc, it not only can reduce staff's intensity of labour, can also improve the marking accuracy.
The problem is solved through following technical scheme:
a scribing device suitable for a disc comprises a rotary indexing handle, a rotary worktable, a three-jaw chuck, a fixed pressing plate and a scribing part; the rotary indexing handle is arranged on the side surface of the rotary worktable; the three-jaw chuck is fixed in the center of the upper end face of the rotary worktable through a fixed pressing plate; the scribing part is arranged on the rotary worktable; the scribing part comprises a fixing plate, a positioning shaft, a first clamping part, a first guide sleeve, a first guide shaft, a first scriber and a first guide knob; the fixed plate is arranged on the rotary worktable; the positioning shaft is arranged on the fixing plate; the first clamping part is sleeved on the positioning shaft; the first clamping part clamps the first guide sleeve; the first guide shaft is inserted into the first guide sleeve; the upper end of the first guide shaft is provided with a first upper threaded hole; the first guide knob and the first upper threaded hole form threaded connection; the lower end of the first guide shaft is provided with a first lower threaded hole; the external thread at the tail part of the first scribing needle and the first lower threaded hole form threaded connection; a first guide groove is formed in the inner wall of the first guide sleeve in the axial lead direction; the side wall of the first guide shaft is provided with a sliding block in the axial lead direction, and the sliding block is in sliding fit with the first guide groove.
According to the scribing device suitable for the disc, the three-jaw chuck comprises a chuck body, the movable jaws and the jaw driving mechanism; the chuck body is fixed on the rotary worktable by the fixed pressing plate; the jaw driving mechanism is arranged inside the chuck body; the movable clamping jaws are arranged on the chuck body and are matched with the clamping jaw driving mechanism; a circular hole is formed in the middle of the upper end face of the chuck body, a bearing is embedded in the circular hole, and the outer wall of the bearing outer ring is in interference fit with the inner wall of the circular hole.
The scribing device suitable for the disc is additionally provided with an auxiliary part; the auxiliary part comprises a rotating rod, a second clamping part, a fixing knob, a second guide sleeve, a second guide shaft, a second scriber and a second guide knob; the outer wall of the bottom end of the rotating rod is in interference fit with the inner wall of the bearing inner ring; the second clamping part is sleeved on the rotating rod; the second clamping part clamps the second guide sleeve; the second guide shaft is inserted into the second guide sleeve; a second upper threaded hole is formed in the upper end of the second guide shaft; a second lower threaded hole is formed in the lower end of the second guide shaft; the upper end and the lower end of the second guide sleeve are provided with through grooves; the second guide knob penetrates through the through groove at the upper end of the second guide sleeve and is in threaded connection with the second upper threaded hole; the external thread at the tail part of the second scriber passes through the through groove at the lower end of the second guide sleeve to form threaded connection with the second lower threaded hole; the second clamping part is provided with a threaded through hole in the vertical direction; the fixing knob passes through the threaded through hole on the second clamping portion to fix the second guide shaft on the second clamping portion.
The scribing device suitable for the disc is characterized in that the rotary working table comprises a base and a rotary table; the base is connected with the rotating platform through a ball bearing; a turbine is arranged at the lower end of the rotating platform; the rotary indexing handle comprises a shell, a worm and a handle; the shell is connected with the base; the worm is arranged in the shell; one end of the worm is connected with a handle; the worm and the turbine below the rotating platform form a worm and gear connecting structure.
The scribing device for a disc described above, wherein the first clamping portion comprises a first clamping member and a first tightening knob; the first clamping piece structure is a half-opening-closing structure, and the first fastening knob is arranged in a threaded hole in the opening of the first clamping piece; the first clamping piece is provided with a through hole in the vertical direction, and the through hole is used for penetrating through the positioning shaft; the first clamping piece is provided with a through hole in the horizontal direction, and the through hole is used for clamping the first guide sleeve; the second clamping portion comprises a second clamping piece and a second fastening knob; the second clamping piece structure is a half-opening structure, and the second fastening knob is arranged in a threaded hole in the opening of the first clamping piece; the second clamping piece is provided with a through hole in the vertical direction, and the through hole is used for penetrating through the rotating rod; the second clamping piece is provided with a through hole in the horizontal direction, and the through hole is used for clamping a second guide sleeve; and the part of the second clamping piece, which clamps the second guide sleeve, is provided with a threaded hole in the vertical direction, and the threaded hole is in threaded connection with the fixing knob.
The utility model effectively realizes the purpose of single scribing through the scribing part, and the scribing part can rapidly scribe the disc to find the center point of the drilling hole under the condition of ensuring the precision, thereby avoiding the defect that a plurality of people are needed to scribe in the past; the rotary working table can reduce the labor intensity of workers, does not need to mark around a disc any more, and greatly improves the marking efficiency.
Additionally, the utility model discloses still be equipped with gyration indexing handle, it can provide very high angle precision when drawing the circular arc.
Drawings
FIG. 1 is a schematic structural view of a single-use scribing part of the present invention;
FIG. 2 is a schematic structural view of the single-use auxiliary part of the present invention;
fig. 3 is a schematic structural view of the present invention in a combined state.
The list of labels in the figure is: 1. a rotary indexing handle, 2 a rotary worktable, 3 a three-jaw chuck, 3-1 a chuck body, 3-2 a movable jaw, 3-3 a jaw driving mechanism, 3-4 a bearing, 4 a fixed pressing plate, 5 a scribing part, 5-1 a fixed plate, 5-2 a positioning shaft, 5-3 a first clamping part, 5-3-1 a first clamping piece, 5-3-2 a first fastening knob, 5-4 a first guide sleeve, 5-4-1 a first guide groove, 5-5 a first guide shaft, 5-5-1 a sliding block, 5-6 a first scriber, 5-7 a first guide knob, 6 an auxiliary part, 6-1 a rotating rod, 6-2 a second clamping part, 6-2-1 a second clamping piece, 6-2-2 parts of a second fastening knob, 6-3 parts of a fixing knob, 6-4 parts of a second guide sleeve, 6-5 parts of a second guide shaft, 6-6 parts of a second scriber, 6-7 parts of a second guide knob and 6-8 parts of a through groove.
Detailed Description
Referring to fig. 1, 2 and 3, the utility model comprises a rotary indexing handle 1, a rotary worktable 2, a three-jaw chuck 3, a fixed pressing plate 4 and a marking part 5; the rotary indexing handle 1 is arranged on the side surface of the rotary worktable 2, and the three-jaw chuck 3 is fixed in the center of the upper end surface of the rotary worktable 2 through the fixed pressing plate 4; the scribing part 5 is arranged on the rotary table 2; the scribing part 5 comprises a fixing plate 5-1, a positioning shaft 5-2, a first clamping part 5-3, a first guide sleeve 5-4, a first guide shaft 5-5, a first scribing needle 5-6 and a first guide knob 5-7; the fixed plate 5-1 is arranged on the rotary worktable 2; the positioning shaft 5-2 is arranged on the fixing plate 5-1; the first clamping part 5-3 is sleeved on the positioning shaft 5-2; the first clamping portion 5-3 comprises a first clamping piece 5-3-1 and a first tightening knob 5-3-2; the structure of the first clamping piece 5-3-1 is a half-opening structure, and the first fastening knob 5-3-2 is arranged in a threaded hole at the opening of the first clamping piece 5-3-1; the first clamping piece 5-3-1 is provided with a through hole in the vertical direction, and the through hole is used for penetrating through the positioning shaft 5-2; the first clamping piece 5-3-1 is provided with a through hole in the horizontal direction, and the through hole is used for clamping the first guide sleeve 5-4; the first clamping piece 5-3-1 is similar to a U-shaped clamp in structure, when the first guide sleeve 5-4 is inserted into a through hole arranged in the horizontal direction of the first clamping piece 5-3-1, the first fastening knob 5-3-2 is screwed, and the first guide sleeve 5-4 is fixed on the first clamping piece 5-3-1; when the first clamping piece 5-3-1 is sleeved on the positioning shaft 5-2, the first clamping piece can also move up and down, so that the thickness of the disc is conveniently matched, and the height of the scriber can be adjusted to touch the disc; the first guide shaft 5-5 is inserted with a first guide sleeve 5-4; the upper end of the first guide shaft 5-5 is provided with a first upper threaded hole; the first guide knob 5-7 and the first upper threaded hole form threaded connection; the first guide knob 5-7 is used for facilitating a worker to push the first guide shaft 5-5 to move back and forth in the axial direction; the lower end of the first guide shaft 5-5 is provided with a first lower threaded hole; the external thread at the tail part of the first scriber 5-6 is in threaded connection with the first lower threaded hole; the first scriber 5-6 is used for scribing on the disc; a first guide groove 5-4-1 is formed in the inner wall of the first guide sleeve 5-4 in the axial lead direction; a sliding block 5-5-1 is arranged on the side wall of the first guide shaft 5-5 in the axial lead direction, and the sliding block 5-5-1 is in sliding fit with the first guide groove 5-4-1; the first guide shaft 5-5 is matched with the first guide groove 5-4-1 through the slide block 5-5-1, so that the first guide shaft 5-5 can be ensured not to rotate when moving back and forth in the axis direction, the axis line of the scriber is ensured to be always in the vertical direction, the scribing accuracy is ensured, and the product quality is improved.
In order to clamp the disc and prevent the disc from moving disorderly in the scribing process, a three-jaw chuck 3 is additionally arranged; the three-jaw chuck 3 comprises a chuck body 3-1, a movable jaw 3-2 and a jaw driving mechanism 3-3; the chuck body 3-1 is fixed on the rotary worktable 2 by the fixed pressure plate 4; the jaw driving mechanism 3-3 is arranged inside the chuck body 3-1; the movable clamping jaw 3-2 is arranged on the chuck body 3-1, and the movable clamping jaw 3-2 is matched with the clamping jaw driving mechanism 3-3; threads are meshed with plane threads on the back of the disc-shaped bevel gear below the guide parts of the three jaws on the three-jaw chuck, when a spanner is used for rotating the bevel pinion through the square hole, the disc-shaped gear rotates, and the plane threads on the back simultaneously drive the three jaws to approach or withdraw from the center so as to clamp workpieces with different diameters; the three-jaw chuck drives a large bevel gear by a small bevel gear; the back of the large bevel gear is provided with an Archimedes spiral groove which is meshed with 3 claws; therefore, the bevel pinion is rotated by a spanner, so that 3 clamping jaws can move along the radial direction simultaneously, and automatic centering and clamping are realized; a circular hole is formed in the middle of the upper end face of the chuck body 3-1, a bearing 3-4 is embedded in the circular hole, and the outer ring of the bearing 3-4 is in interference fit with the inner wall of the circular hole.
In order to ensure that the lineation part can ensure the centricity of the line in the lineation process, an auxiliary part 6 is additionally arranged; the auxiliary part 6 comprises a rotating rod 6-1, a second clamping part 6-2, a fixing knob 6-3, a second guide sleeve 6-4, a second guide shaft 6-5, a second scriber 6-6 and a second guide knob 6-7; the outer wall of the bottom end of the rotating rod 6-1 is in interference fit with the inner wall of the inner ring of the bearing 3-4; the rotating rod 6-1 can rotate around the bearing 3-4; the second clamping part 6-2 is sleeved on the rotating rod 6-1; the second clamping part 6-2 clamps the second guide sleeve 6-4; the second guide shaft 6-5 is inserted into a second guide sleeve 6-4; a second upper threaded hole is formed in the upper end of the second guide shaft 6-5; the lower end of the second guide shaft 6-5 is provided with a second lower threaded hole; the upper end and the lower end of the second guide sleeve 6-4 are provided with through grooves 6-8; the second guide knob 6-7 penetrates through a through groove 6-8 at the upper end of the second guide sleeve 6-4 to form threaded connection with the second upper threaded hole; the external thread at the tail part of the second scriber 6-6 passes through the through groove 6-8 at the lower end of the second guide sleeve 6-4 to form threaded connection with the second lower threaded hole; the through groove 6-8 has the function that the second guide shaft 6-5 only moves back and forth in the axial direction by the fact that the second guide knob 6-7 slides in the through groove 6-8, and the second guide shaft 6-5 is prevented from rotating, so that the verticality of the scriber is damaged, and the scribing quality is influenced; the second clamping part 6-2 is provided with a threaded through hole in the vertical direction; the fixing knob 6-3 penetrates through a threaded through hole in the second clamping part 6-2 to fix the second guide shaft 6-5 on the second clamping part 6-2; the fixing knob 6-3 is used for fixing the second guide shaft 6-5 on the second clamping part 6-2 more firmly;
in the process of scribing the disc, the labor intensity of workers is reduced in order to enable the disc to rotate; a rotary worktable 2 is arranged; the rotary worktable 2 comprises a base and a rotary table; the base is connected with the rotating platform through a ball bearing; a turbine is arranged at the lower end of the rotating platform; the rotary indexing handle 1 comprises a shell, a worm and a handle; the shell is connected with the base; the worm is arranged in the shell; one end of the worm is connected with a handle; the worm and the turbine below the rotating platform form a worm and gear connecting structure; the handle rotates by one circle, the worm and gear drive is realized, and the rotating platform rotates by two degrees, so that extremely high angle precision is provided for marking operation.
The second clamping part 6-2 comprises a second clamping piece 6-2-1 and a second fastening knob 6-2-2; the second clamping piece 6-2-1 is of a half-opening-closing structure, and the second fastening knob 6-2-2 is arranged in a threaded hole at the opening of the first clamping piece 5-3-1; the second clamping piece 6-2-1 is provided with a through hole in the vertical direction, and the through hole is used for penetrating the rotating rod 6-1; the second clamping piece 6-2-1 is provided with a through hole in the horizontal direction, and the through hole is used for clamping the second guide sleeve 6-4; the second clamping piece 6-2-1 is provided with a threaded hole in the vertical direction at the part for clamping the second guide sleeve 6-4, and the threaded hole is in threaded connection with the fixing knob 6-3.
The embodiment of the utility model discloses an: as shown in fig. 1, in the state shown in fig. 1, only the scribing portion 5 is provided; in the first embodiment, the specific operation steps are as follows: an operator places the disc on a position corresponding to the movable jaw 3-2, then rotates a bevel pinion in the jaw driving mechanism 3-3 by using a wrench, so that the jaw 3-2 clamps the disc, marks a certain point on a circle of the diameter to be marked on the disc according to the diameter of the circle to be marked, and corresponds the needle point of the first marking needle 5-6 to the marked point by moving the first clamping piece 5-3-1 up and down and moving the first guide shaft 5-5 back and forth; then the handle is rotated to enable the rotating platform to rotate, the disk also rotates at the moment, after a circle is drawn on the disk completely, a centripetal straight line needs to be drawn at the moment, and the intersection point of the straight line and the circle is a drilling point; the centripetal straight line is drawn on the disc through the telescopic first guide shaft 5-5, after a circle line is drawn, the handle is rotated for corresponding times according to the calculated fillet degree difference of the hole, the disc rotates to a corresponding position at the moment, the centripetal straight line is drawn on the disc through the telescopic first guide shaft 5-5 again, and the operation of positioning the drilling point is realized.
The embodiment of the utility model discloses an embodiment two: as in fig. 2, in the state shown in fig. 2, only the auxiliary portion 6 is used; in the second embodiment, the specific operation steps are as follows: an operator places the disc on a position corresponding to the movable jaw 3-2, then rotates a bevel pinion in the jaw driving mechanism 3-3 by using a wrench, so that the jaw 3-2 clamps the disc, marks a certain point on a circle of the diameter to be marked according to the diameter of the circle to be marked, and corresponds the needle point of the second marking needle 6-6 to the marked point by moving the second clamping part 6-2 up and down and moving the second guide shaft 6-5 back and forth; and then the rotating rod is rotated until the drawing of a whole circle is completed.
The embodiment of the utility model discloses an embodiment three: as shown in fig. 3, in the state shown in fig. 3, the scribing portion 5 and the auxiliary portion 6 are used in cooperation; in the third embodiment, the specific operation steps are as follows: an operator places the disc on a position corresponding to the movable jaw 3-2, then rotates a bevel pinion in the jaw driving mechanism 3-3 by using a wrench, so that the jaw 3-2 clamps the disc, marks a certain point on a circle of the diameter to be scribed on the disc according to the diameter of the circle to be scribed, and adjusts the height of the horizontal plane of the needle point of the scribing needle to be the same horizontal height of the upper end face of the disc by moving the first clamping part 5-3 and the second clamping part 6-2 up and down; then the second guide shaft 6-5 is moved back and forth to enable the needle point to correspond to the marked point; the rotating table is rotated by rotating the handle, the disk rotates at the moment, after a whole circle of circle is drawn on the disk, the handle is rotated for corresponding times according to the calculated fillet degree difference of the circle center of the drilling hole, the disk rotates to the corresponding position at the moment, the second guide shaft 6-5 stretches and retracts again to draw a centripetal straight line on the disk, and the operation is repeated in this way, so that the drilling point is positioned.
The first embodiment and the second embodiment have the advantages of simple structure and convenient operation; the third embodiment has the advantages of strong centripetally, and the moving direction of the scriber can be ensured to be towards the circle center in the process of centripetal straight line, so that the scriber has the defects of complex structure and inconvenient installation.
Claims (5)
1. A marking device suitable for a disc is characterized in that: the device comprises a rotary indexing handle (1), a rotary worktable (2), a three-jaw chuck (3), a fixed pressing plate (4) and a scribing part (5); the rotary indexing handle (1) is arranged on the side surface of the rotary worktable (2); the three-jaw chuck (3) is fixed in the center of the upper end face of the rotary worktable (2) through a fixed pressing plate (4); the scribing part (5) is arranged on the rotary table (2); the scribing part (5) comprises a fixing plate (5-1), a positioning shaft (5-2), a first clamping part (5-3), a first guide sleeve (5-4), a first guide shaft (5-5), a first scriber (5-6) and a first guide knob (5-7); the fixed plate (5-1) is arranged on the rotary worktable (2); the positioning shaft (5-2) is arranged on the fixing plate (5-1); the first clamping part (5-3) is sleeved on the positioning shaft (5-2); the first clamping part (5-3) clamps the first guide sleeve (5-4); the first guide shaft (5-5) is inserted into the first guide sleeve (5-4); the upper end of the first guide shaft (5-5) is provided with a first upper threaded hole; the first guide knob (5-7) and the first upper threaded hole form threaded connection; the lower end of the first guide shaft (5-5) is provided with a first lower threaded hole; the external thread at the tail part of the first scriber (5-6) is in threaded connection with the first lower threaded hole; a first guide groove (5-4-1) is formed in the inner wall of the first guide sleeve (5-4) in the axial lead direction; the side wall of the first guide shaft (5-5) is provided with a sliding block (5-5-1) in the axial lead direction, and the sliding block (5-5-1) is in sliding fit with the first guide groove (5-4-1).
2. A scoring device for discs as claimed in claim 1, wherein: the three-jaw chuck (3) comprises a chuck body (3-1), a movable jaw (3-2) and a jaw driving mechanism (3-3); the chuck body (3-1) is fixed on the rotary worktable (2) by the fixed pressure plate (4); the jaw driving mechanism (3-3) is arranged in the chuck body (3-1); the movable clamping jaw (3-2) is arranged on the chuck body (3-1), and the movable clamping jaw (3-2) is matched with the clamping jaw driving mechanism (3-3); a circular hole is formed in the middle of the upper end face of the chuck body (3-1), a bearing (3-4) is embedded in the circular hole, and the outer wall of the outer ring of the bearing (3-4) is in interference fit with the inner wall of the circular hole.
3. A scoring device for discs as claimed in claim 2, wherein: an auxiliary part (6) is added; the auxiliary part (6) comprises a rotating rod (6-1), a second clamping part (6-2), a fixing knob (6-3), a second guide sleeve (6-4), a second guide shaft (6-5), a second scriber (6-6) and a second guide knob (6-7); the outer wall of the bottom end of the rotating rod (6-1) is in interference fit with the inner wall of the inner ring of the bearing (3-4); the second clamping part (6-2) is sleeved on the rotating rod (6-1); the second clamping part (6-2) clamps the second guide sleeve (6-4); the second guide shaft (6-5) is inserted into a second guide sleeve (6-4); the upper end of the second guide shaft (6-5) is provided with a second upper threaded hole; the lower end of the second guide shaft (6-5) is provided with a second lower threaded hole; the upper end and the lower end of the second guide sleeve (6-4) are provided with through grooves (6-8); the second guide knob (6-7) penetrates through a through groove (6-8) at the upper end of the second guide sleeve (6-4) and is in threaded connection with the second upper threaded hole; the external thread at the tail part of the second scriber (6-6) passes through the through groove (6-8) at the lower end of the second guide sleeve (6-4) to form threaded connection with the second lower threaded hole; the second clamping part (6-2) is provided with a threaded through hole in the vertical direction; the fixing knob (6-3) penetrates through the threaded through hole in the second clamping part (6-2) to fix the second guide shaft (6-5) on the second clamping part (6-2).
4. A scoring device for discs as claimed in claim 3, wherein: the rotary working table (2) comprises a base and a rotary table; the base is connected with the rotating platform through a ball bearing; a turbine is arranged at the lower end of the rotating platform; the rotary indexing handle (1) comprises a shell, a worm and a handle; the shell is connected with the base; the worm is arranged in the shell; one end of the worm is connected with a handle; the worm and the turbine below the rotating platform form a worm and gear connecting structure.
5. A scoring device for discs as claimed in claim 4, wherein: the first clamping section (5-3) comprises a first clamping piece (5-3-1) and a first fastening knob (5-3-2); the structure of the first clamping piece (5-3-1) is a half-opening structure, and the first fastening knob (5-3-2) is arranged in a threaded hole at the opening of the first clamping piece (5-3-1); the first clamping piece (5-3-1) is provided with a through hole in the vertical direction, and the through hole is used for penetrating through the positioning shaft (5-2); the first clamping piece (5-3-1) is provided with a through hole in the horizontal direction, and the through hole is used for clamping the first guide sleeve (5-4); the second clamping part (6-2) comprises a second clamping piece (6-2-1) and a second fastening knob (6-2-2); the second clamping piece (6-2-1) is of a half-opening structure, and the second fastening knob (6-2-2) is arranged in a threaded hole in the opening of the first clamping piece (5-3-1); the second clamping piece (6-2-1) is provided with a through hole in the vertical direction, and the through hole is used for penetrating through the rotating rod (6-1); the second clamping piece (6-2-1) is provided with a through hole in the horizontal direction, and the through hole is used for clamping the second guide sleeve (6-4); the second clamping piece (6-2-1) is provided with a threaded hole in the vertical direction at the part for clamping the second guide sleeve (6-4), and the threaded hole is in threaded connection with the fixing knob (6-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021485973.6U CN214136030U (en) | 2020-07-24 | 2020-07-24 | Marking device suitable for disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021485973.6U CN214136030U (en) | 2020-07-24 | 2020-07-24 | Marking device suitable for disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214136030U true CN214136030U (en) | 2021-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021485973.6U Active CN214136030U (en) | 2020-07-24 | 2020-07-24 | Marking device suitable for disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214136030U (en) |
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2020
- 2020-07-24 CN CN202021485973.6U patent/CN214136030U/en active Active
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