CN211992454U - Grinding wheel screw rod main body structure - Google Patents
Grinding wheel screw rod main body structure Download PDFInfo
- Publication number
- CN211992454U CN211992454U CN201922463546.1U CN201922463546U CN211992454U CN 211992454 U CN211992454 U CN 211992454U CN 201922463546 U CN201922463546 U CN 201922463546U CN 211992454 U CN211992454 U CN 211992454U
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- optical axis
- screw thread
- main shaft
- changeover portion
- sectional area
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Abstract
The utility model discloses a emery wheel screw rod major structure, including main shaft, optical axis, screw thread changeover portion, screw thread section, main shaft one side is provided with the optical axis, the optical axis is kept away from one side of main shaft is provided with the screw thread changeover portion, the screw thread changeover portion is kept away from one side of optical axis is provided with the screw thread section. The utility model discloses remove original tool withdrawal groove, and change into the screw thread changeover portion, the position that the base member is the weakest is the upper base in the screw thread changeover portion, and its diameter is 4mm, and the sectional area is 12.56 square meters, improves the easy fracture department sectional area of back base member and is 1.77 times of improving preceding easy fracture department sectional area, and the sectional area increases 0.77 times, and tensile strength increases 3.08 times, and torsional strength increases 6.15 times.
Description
Technical Field
The utility model belongs to the technical field of the emery wheel screw rod, especially, relate to an emery wheel screw rod major structure.
Background
The continuous improvement of product quality improves, and original emery wheel screw rod structure can't bear huge torsion under the hypervelocity, leads to the easy fracture of emery wheel screw rod main part, has all caused huge negative effects for customer, machined part, equipment. On the premise of not influencing the use of the product, the structure of the product main body is inevitably improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a emery wheel screw rod major structure for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the grinding wheel screw main body structure comprises a main shaft, an optical axis, a thread transition section and a thread section, wherein the optical axis is arranged on one side of the main shaft, the thread transition section is arranged on one side, away from the main shaft, of the optical axis, and the thread section is arranged on one side, away from the optical axis, of the thread transition section.
Preferably: the optical axis, the thread transition section and the thread section are integrally formed on the main shaft.
Preferably: the diameter of main shaft is 6mm, the length of main shaft is 13 mm.
Preferably: the diameter of optical axis is 5mm, the length of optical axis is 3 mm.
Preferably: the thread transition section is a trapezoid rotating 90 degrees clockwise, the length of the lower bottom and the length of the upper bottom of the trapezoid are respectively 5mm and 4mm, the height of the trapezoid is 1mm, and the sectional area of the upper bottom is 12.56 square meters.
Preferably: the diameter of the thread section is 4mm, and the length of the thread section is 7 mm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the original tool withdrawal groove is removed and changed into a thread transition section, the weakest position of the matrix is the upper bottom in the thread transition section, the diameter of the matrix is 4mm, the sectional area is 12.56 square meters, the sectional area of the position where the matrix is easy to break after being improved is 1.77 times of the sectional area of the position where the matrix is easy to break before being improved, the sectional area is increased by 0.77 time, the tensile strength is increased by 3.08 times, and the torsional strength is increased by 6.15 times.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a main body structure of a grinding wheel screw according to the present invention;
fig. 2 is a schematic diagram of the prior art of the main structure of the grinding wheel screw of the present invention.
The reference numerals are explained below:
1. a main shaft; 2. an optical axis; 3. a thread transition section; 4. a threaded segment.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
examples
As shown in fig. 1, a grinding wheel screw rod major structure, including main shaft 1, optical axis 2, thread transition section 3, screw thread section 4, the diameter of main shaft 1 is 6mm, the length of main shaft 1 is 13mm, 1 one side of main shaft is provided with optical axis 2, the diameter of optical axis 2 is 5mm, the length of optical axis 2 is 3mm, one side that main shaft 1 was kept away from to optical axis 2 is provided with thread transition section 3, thread transition section 3 is the trapezoidal of 90 degrees of clockwise rotation, this trapezoidal lower bottom and upper bottom length are 5mm and 4mm respectively, this trapezoidal height is 1mm, the sectional area of upper end is 12.56 square meters, one side that optical axis 2 was kept away from to thread transition section 3 is provided with screw thread section 4, the diameter of screw thread section 4 is 4mm, the length of screw thread section 4 is 7mm, optical axis 2, thread transition section 3, screw thread section 4 integrated into one piece is.
In the prior art, as shown in fig. 2, a tool withdrawal groove is formed in a base body, the diameter of the tool withdrawal groove is 3mm, the cross section area of the tool withdrawal groove is 7.065mm2, and the tool withdrawal groove is a position which is easy to break, namely the weakest position of the base body.
In the structure, the original tool withdrawal groove is removed and is changed into the thread transition section 3, the weakest position of the matrix is the upper bottom in the thread transition section 3, the diameter of the upper bottom is 4mm, the sectional area is 12.56 square meters, the sectional area of the position easy to break of the matrix after improvement is 1.77 times of the sectional area of the position easy to break before improvement, the sectional area is increased by 0.77 time, the tensile strength is increased by 3.08 times, and the torsional strength is increased by 6.15 times.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a emery wheel screw rod major structure which characterized in that: including main shaft (1), optical axis (2), screw thread changeover portion (3), screw thread section (4), main shaft (1) one side is provided with optical axis (2), optical axis (2) are kept away from one side of main shaft (1) is provided with screw thread changeover portion (3), screw thread changeover portion (3) are kept away from one side of optical axis (2) is provided with screw thread section (4).
2. The grinding wheel screw body structure according to claim 1, wherein: the optical axis (2), the thread transition section (3) and the thread section (4) are integrally formed on the main shaft (1).
3. The grinding wheel screw body structure according to claim 1, wherein: the diameter of the main shaft (1) is 6mm, and the length of the main shaft (1) is 13 mm.
4. The grinding wheel screw body structure according to claim 1, wherein: the diameter of the optical axis (2) is 5mm, and the length of the optical axis (2) is 3 mm.
5. The grinding wheel screw body structure according to claim 1, wherein: the thread transition section (3) is a trapezoid rotating 90 degrees clockwise, the length of the lower bottom and the length of the upper bottom of the trapezoid are respectively 5mm and 4mm, the height of the trapezoid is 1mm, and the sectional area of the upper bottom is 12.56 square meters.
6. The grinding wheel screw body structure according to claim 1, wherein: the diameter of the thread section (4) is 4mm, and the length of the thread section (4) is 7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463546.1U CN211992454U (en) | 2019-12-31 | 2019-12-31 | Grinding wheel screw rod main body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463546.1U CN211992454U (en) | 2019-12-31 | 2019-12-31 | Grinding wheel screw rod main body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211992454U true CN211992454U (en) | 2020-11-24 |
Family
ID=73428529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922463546.1U Active CN211992454U (en) | 2019-12-31 | 2019-12-31 | Grinding wheel screw rod main body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211992454U (en) |
-
2019
- 2019-12-31 CN CN201922463546.1U patent/CN211992454U/en active Active
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