CN211890808U - End face marking tool for roller sleeve type product - Google Patents
End face marking tool for roller sleeve type product Download PDFInfo
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- CN211890808U CN211890808U CN201922376077.XU CN201922376077U CN211890808U CN 211890808 U CN211890808 U CN 211890808U CN 201922376077 U CN201922376077 U CN 201922376077U CN 211890808 U CN211890808 U CN 211890808U
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Abstract
The utility model discloses a roller shell class product terminal surface marking tool belongs to machine-building technical field. The central positioning structure comprises a gear rack structure and a drawing ruler structure with an angle scale and a graduated scale, wherein the drawing ruler structure is arranged at the central position of the central positioning structure and can rotate around the central position. The utility model discloses a central location is accomplished to the rack and pinion structure, uses the rotatable drawing chi structure that has angle scale and scale to accomplish the secondary and rule, and the location of completion screw hole that can convenient and fast be accurate has improved roller shell class product terminal surface efficiency of ruling and product quality greatly, and this marking tool is easy and simple to handle, and the precision is high, and application range is wide, can satisfy multiple specification roller shell product.
Description
Technical Field
The utility model belongs to the technical field of the machine-building technique and specifically relates to a roller shell class product terminal surface marking tool.
Background
The end faces of partial products of the large-sized combined vertical roller sleeve and the cement roller sleeve need to be processed with threaded holes with position relations, the roller sleeve is large in specification, small in quantity and many in types and is not suitable for manufacturing a drill jig, a manual scribing method is generally adopted for processing during processing on a common radial drilling machine, the traditional manual scribing method is slow, large in error and easy to generate quality accidents, and a general roller sleeve product end face scribing tool is designed and manufactured according to scribing requirements.
SUMMERY OF THE UTILITY MODEL
The invention provides a scribing tool for end faces of roller sleeve products, which is used for positioning the center of a roller sleeve by adopting a gear and rack structure and completing secondary scribing by adopting a drawing ruler structure with an angle scale and a dividing ruler, has high precision and wide application range, can meet the requirements of roller sleeve products of various specifications, can improve the scribing efficiency and precision and reduce quality accidents.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a roller shell class product terminal surface marking tool which characterized in that: the drawing ruler structure is arranged at the central position of the central positioning structure and can rotate around the central position;
the central positioning structure comprises a guard plate and a transmission assembly; the middle part of the upper surface is provided with a gap, and the two ends of the hollow protective plate with an open structure are clamped outside the transmission component;
the transmission assembly comprises a gear and racks oppositely arranged on two sides of the gear; the rack is meshed with the gear, the outer end part of the rack is semicircular, and the two racks slide oppositely when the gear rotates;
the drawing ruler structure comprises an angle scale, a rotating shaft, a graduated scale, a sliding block and a drawing needle; the sliding block fixedly provided with the drawing needle can slide on the graduated scale, and the rotating shaft fixedly connected with the right angle of the graduated scale penetrates through the angle scale and is connected with the gear at the central positioning hole of the protective plate through a ratchet wheel clamped at the central hole of the gear.
The utility model discloses technical scheme's further improvement lies in: the transmission assembly can slide in the guard plate, a positioning hole is formed in the center of the bottom of the guard plate, and the length of the transmission assembly is larger than that of the guard plate.
The utility model discloses technical scheme's further improvement lies in: the two racks have the same structure and consistent thickness.
The utility model discloses technical scheme's further improvement lies in: the lower end of the rotating shaft is fixedly provided with a pointer, and the pointer and the graduated scale are arranged on the same vertical surface in parallel.
The utility model discloses technical scheme's further improvement lies in: the width and the height of the inner surface of the guard plate are 0.02-0.03 mm larger than those of the outer surface of the transmission assembly.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
1. the utility model discloses a rack and pinion structure positioning roller cover center accuracy is high, application range is wide, can satisfy the use of multiple specification roller cover product.
2. The utility model discloses use the drawing ruler structure that has angle scale and scale to accomplish the secondary and rule, convenient, swift, the precision is high.
3. The utility model discloses use in the actual production, can improve roller shell class product terminal surface marking off efficiency and product quality greatly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the center positioning structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
fig. 4 is a schematic view of the rack and pinion structure of the present invention;
FIG. 5 is a schematic view of the guard plate of the present invention;
fig. 6 is a schematic view of the present invention in practical use.
The automatic drawing device comprises a center positioning structure 1, a center positioning structure 1-1, a protective plate 1-2, a transmission assembly 1-2-1, a gear 1-2-2, a rack 2, a drawing ruler structure 2-1, an angle scale 2-2, a rotating shaft 2-3, a graduated scale 2-4, a sliding block 2-5 and a drawing needle.
Detailed Description
The utility model discloses a marking tool to roller shell class product terminal surface is rule and is designed is particularly useful for product terminal surfaces such as large-scale combination edger roll roller shell and cement roller shell need process the screw hole that has the position relation, can improve roller shell class product terminal surface marking efficiency and product quality greatly.
The present invention will be described in further detail with reference to fig. 1 to 6:
as shown in fig. 1, a roller sleeve type product end face marking tool is characterized in that: the multifunctional ruler comprises a central positioning structure 1 with a gear rack structure and a drawing ruler structure 2 with an angle scale and a graduated scale, wherein the drawing ruler structure 2 is installed at the central position of the central positioning structure 1, and the drawing ruler structure 2 can rotate around the central position.
As shown in fig. 2 and 5, the center positioning structure 1 comprises a guard plate 1-1 and a transmission assembly 1-2; a hollow protective plate 1-1 with a gap in the middle part of the upper surface and two open ends is clamped outside the transmission component 1-2; the transmission component 1-2 can slide in the guard plate 1-1, a positioning hole is arranged at the center of the bottom of the guard plate 1-1, and the length of the transmission component 1-2 is about 5-10cm longer than that of the guard plate and can be adjusted according to actual needs on site; the width and the height of the inner surface of the guard plate 1-1 are 0.02-0.03 mm larger than those of the outer surface of the transmission component 1-2, so that the guard plate 1-1 is ensured to be smoothly clamped outside the transmission component 1-2 under the condition of smearing oil; the length of the gap of the guard plate 1-1 is equal to that of the guard plate 1-1, the width can be determined according to the diameter of the central hole of the gear, and the width is required to be larger than the diameter of the central hole, so that the rotating shaft 2-2 can rotate freely.
As shown in fig. 4, the transmission assembly 1-2 comprises a gear 1-2-1 and two racks 1-2-2 which are oppositely arranged and have the same structure, the racks 1-2-2 are meshed with the gear 1-2-1, the thicknesses of the racks 1-2-2 and the gear 1-2-1 are consistent, the outer end parts of the racks 1-2-2 are semicircular, the joint surfaces of the two racks 1-2-2 are inosculated, when the gear 1-2-1 rotates, the two racks 1-2-2 slide oppositely, the racks 1-2-2 are integrally machined by a lathe, and the joint surfaces of the two racks 1-2-2 are inosculated; the two racks 1-2-2 have the same structure and consistent thickness.
As shown in fig. 3, the drawing ruler structure 2 comprises an angle scale 2-1, a rotating shaft 2-2, a graduated scale 2-3, a sliding block 2-4 and a drawing needle 2-5; a sliding block 2-4 fixedly provided with a drawing needle 2-5 can slide on the graduated scale 2-3, a rotating shaft 2-2 fixedly connected with the graduated scale 2-3 in a right angle penetrates through the angle scale 2-1 and the gear 1-2-1 and is connected with a central positioning hole of the protective plate 1-1 through a ratchet wheel clamped at the central hole of the gear, the lower end of the rotating shaft 2-2 is fixedly provided with a pointer, and the pointer and the graduated scale are arranged on the same vertical plane and in parallel; the ratchet wheel is arranged, so that the rotating shaft 2-2 can rotate according to an angle when the gear cannot rotate, and secondary scribing is completed.
The utility model discloses a use method as follows:
as shown in fig. 6, the protector plate 1-1 is omitted in the drawing in order to more clearly show the structure of the center positioning structure 1.
Step one, a roller sleeve product is placed on a scribing platform, then a central positioning structure 1 is placed at an inner hole or a seam allowance of the roller sleeve product, a rotating shaft 2-2 is rotated to drive a gear 1-2-1 to rotate, two racks 1-2-2 are staggered with each other when the gear rotates, the outer end of each rack 1-2-2 is tightly contacted and jacked with the inner wall of the inner hole or the seam allowance of the roller sleeve product, and the position of the rotating shaft 2-2 is the center of the roller sleeve at the moment, so that central positioning is completed;
sliding the sliding block 2-4 to a required scale position and fixing, drawing a circle by using a drawing needle 2-5, and finishing the division circle marking of the threaded hole;
and step three, due to the arrangement of the ratchet wheel, after the rotating shaft 2-2 completes the center positioning, the rotating shaft 2-2 can also rotate by an angle under the condition that the rotation of the gear is not influenced, at the moment, the rotating shaft 2-2 is rotated, the required angle is indicated according to the angle of the angle scale 2-1, a drawing needle 2-5 is used for drawing an angle line, and the intersection point of the drawing needle and the reference circle drawn by the step two is the center of the threaded hole.
And step four, machining the threaded hole by using the central point drawn in the step three.
To sum up, the utility model discloses a central location is accomplished to rack and pinion structure, uses the rotatable drawing chi structure that has angle scale and scale to accomplish the secondary and rule, and the location of completion screw hole that can convenient and fast be accurate has improved roller shell class product end face greatly and has rule efficiency and product quality, and this marking tool is easy and simple to handle, and the precision is high, and application range is wide, can satisfy multiple specification roller shell product.
Claims (5)
1. The utility model provides a roller shell class product terminal surface marking tool which characterized in that: the drawing ruler comprises a central positioning structure (1) with a gear rack structure and a drawing ruler structure (2) with an angle scale and a graduated scale, wherein the drawing ruler structure (2) is arranged at the central position of the central positioning structure (1), and the drawing ruler structure (2) can rotate around the central position;
the central positioning structure (1) comprises a guard plate (1-1) and a transmission assembly (1-2); a hollow protective plate (1-1) with a gap in the middle of the upper surface and two open ends is clamped outside the transmission component (1-2);
the transmission assembly (1-2) comprises a gear (1-2-1) and racks (1-2-2) which are oppositely arranged on two sides of the gear (1-2-1); the rack (1-2-2) is meshed with the gear (1-2-1), the outer end part of the rack (1-2-2) is semicircular, and when the gear (1-2-1) rotates, the two racks (1-2-2) slide oppositely;
the drawing ruler structure (2) comprises an angle scale (2-1), a rotating shaft (2-2), a graduated scale (2-3), a sliding block (2-4) and a drawing needle (2-5); the sliding block (2-4) fixedly provided with the drawing needle (2-5) can slide on the graduated scale (2-3), and the rotating shaft (2-2) which is fixedly connected with the graduated scale (2-3) in a right angle penetrates through the angle scale (2-1) and the gear (1-2-1) to be connected with the central positioning hole of the protective plate (1-1) through a ratchet wheel clamped at the central hole of the gear.
2. The end face marking tool for roller sleeve type products as claimed in claim 1, wherein:
the transmission assembly (1-2) can slide in the guard plate (1-1), a positioning hole is formed in the center of the bottom of the guard plate (1-1), and the length of the transmission assembly (1-2) is larger than that of the guard plate (1-1).
3. The end face marking tool for roller sleeve type products as claimed in claim 1, wherein: the two racks (1-2-2) have the same structure and consistent thickness.
4. The end face marking tool for roller sleeve type products as claimed in claim 1, wherein: the lower end of the rotating shaft (2-2) is fixedly provided with a pointer, and the pointer and the graduated scale (2-3) are arranged on the same vertical plane in parallel.
5. The end face marking tool for roller sleeve type products as claimed in claim 2, wherein: the width and the height of the inner surface of the guard plate (1-1) are 0.02-0.03 mm larger than those of the outer surface of the transmission component (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376077.XU CN211890808U (en) | 2019-12-26 | 2019-12-26 | End face marking tool for roller sleeve type product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376077.XU CN211890808U (en) | 2019-12-26 | 2019-12-26 | End face marking tool for roller sleeve type product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211890808U true CN211890808U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922376077.XU Active CN211890808U (en) | 2019-12-26 | 2019-12-26 | End face marking tool for roller sleeve type product |
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| Country | Link |
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| CN (1) | CN211890808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692806A (en) * | 2020-12-24 | 2021-04-23 | 江苏朗锐茂达铸造有限公司 | Center-dividing scribing device and using method thereof |
| CN114193423A (en) * | 2021-12-17 | 2022-03-18 | 重庆川仪调节阀有限公司 | Part bolt hole scribing and positioning method |
-
2019
- 2019-12-26 CN CN201922376077.XU patent/CN211890808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692806A (en) * | 2020-12-24 | 2021-04-23 | 江苏朗锐茂达铸造有限公司 | Center-dividing scribing device and using method thereof |
| CN114193423A (en) * | 2021-12-17 | 2022-03-18 | 重庆川仪调节阀有限公司 | Part bolt hole scribing and positioning method |
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