CN214393770U - Hole grinding device for disc-shaped gear shaving cutter - Google Patents
Hole grinding device for disc-shaped gear shaving cutter Download PDFInfo
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- CN214393770U CN214393770U CN202023010680.5U CN202023010680U CN214393770U CN 214393770 U CN214393770 U CN 214393770U CN 202023010680 U CN202023010680 U CN 202023010680U CN 214393770 U CN214393770 U CN 214393770U
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- hole
- grinding
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Abstract
The utility model discloses a disk-shaped gear shaving cutter hole grinding device, which comprises a disk-shaped gear shaving cutter hole grinding device, a core shaft, a grinding sleeve, an anti-rotation pin, an upper fastening piece and a lower fastening piece; the core shaft is connected with the conical surface of the grinding sleeve, and the grinding sleeve is provided with an opening. The upper and lower fasteners can adjust the position of the grinding sleeve. The utility model has simple and compact structure and simple assembly process; because the mandrel is in conical surface contact with the grinding sleeve, the diameter of the outer circle of the grinding sleeve is different along with different positions of the mandrel, so that the diameter of the outer circle of the grinding sleeve can be conveniently adjusted, the grinding requirements of holes with different inner diameters are met, and the applicability and the convenience of the device are improved; if the excircle of the grinding sleeve is abraded, the position and the excircle size of the grinding sleeve can be adjusted by adjusting the positions of the upper nut and the lower nut on the mandrel, so that the grinding sleeve is recycled, and the tooling cost is further reduced.
Description
Technical Field
The utility model relates to a grind hole technical field, in particular to disc shaving cutter grinds hole device.
Background
Grinding is a common process for high precision machining of holes. The grinding holes require grinding tooling in order to clamp the workpiece and provide a grinding member. Most of hole grinding tools in the prior art are complex in structure, and grinding sleeves are inconvenient to replace after being worn, so that the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a disc-shaped hole grinding device with shaving cutter, which has a simple and compact structure, is easy to use, and is easy to replace the grinding sleeve.
The purpose of the utility model is realized through the following technical scheme:
the disc-shaped gear shaving cutter hole grinding device comprises a mandrel, a grinding sleeve, an anti-rotation pin, an upper fastener and a lower fastener;
the mandrel is provided with a first conical section, the first conical section is provided with a through hole, and the axis of the through hole and the axis of the mandrel are positioned on the same plane and are vertical;
the whole grinding sleeve is of a cylindrical structure; a taper hole penetrating through two end faces is formed in the grinding sleeve, and the taper of the taper hole is the same as that of the first conical section of the mandrel; a through hole penetrating through one side wall is sleeved in the grinding sleeve; the through hole of the grinding sleeve and the through hole of the first conical section of the mandrel are coaxial, and the grinding sleeve penetrates through the first conical section of the mandrel and is connected with the mandrel;
the upper fastening piece and the lower fastening piece are connected with the mandrel at two ends of the grinding sleeve, so that the grinding sleeve is axially fastened, and the upper fastening piece and the lower fastening piece are detachably connected with the mandrel;
the anti-rotation pin is inserted into the through holes of the grinding sleeve and the core shaft to prevent the grinding sleeve and the core shaft from rotating relatively;
the end part of the mandrel, far away from the first conical section, is connected with the drilling machine cutter bar spindle, and the mandrel is detachably connected with the drilling machine cutter bar spindle.
Further, the upper fastening piece is an upper nut, and the lower fastening piece is a lower nut; external threads are arranged at two ends of the first conical section of the mandrel, and internal threads are arranged on the upper nut and the lower nut; the upper nut, the lower nut and the mandrel are connected in a threaded manner.
Furthermore, the upper nut and the lower nut are respectively provided with four fastening holes which are uniformly distributed along the circumference and used for screwing and loosening the nuts.
Furthermore, the connection mode of the core shaft and the drill machine cutter bar main shaft is conical surface interference connection.
Furthermore, the end part of the mandrel, which is far away from the first conical section, is a second conical section, and the conical direction of the second conical section of the mandrel is opposite to that of the first conical section.
Furthermore, the grinding sleeve is provided with an opening penetrating through one side wall, the opening is opposite to the through hole in the grinding sleeve, and the axis of the opening is collinear with the axis of the through hole in the grinding sleeve; the size of the opening is 2-5 mm.
Furthermore, the outer wall of the grinding sleeve is provided with a bulge for clamping and rotating the grinding sleeve.
Furthermore, the through hole of the grinding sleeve is a waist-shaped hole, and the width of the waist-shaped hole is 1-1.5mm larger than the outer diameter of the anti-rotation pin.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the utility model adopts the core shaft, the grinding sleeve, the upper and lower nuts and the anti-rotation pin to realize the grinding of the hole, the structure is simple and compact, and the assembly process is simple; because the mandrel is in conical surface contact with the grinding sleeve, the diameter of the outer circle of the grinding sleeve is different along with different positions of the mandrel, so that the diameter of the outer circle of the grinding sleeve can be conveniently adjusted, the grinding requirements of holes with different inner diameters are met, and the applicability and the convenience of the device are improved; if the excircle of the grinding sleeve is abraded, the position and the excircle size of the grinding sleeve can be adjusted by adjusting the positions of the upper nut and the lower nut on the mandrel, so that the grinding sleeve is recycled, and the tooling cost is further reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a mandrel;
FIG. 3 is a schematic view of an upper nut and a lower nut;
FIG. 4 is a schematic view of a polishing sleeve.
Detailed Description
In order to make the technical solutions, advantages and objects of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the present application. The terms "upper", "lower", "first" and "second" in the present embodiment are merely for convenience of description, and are not technical features.
The present invention will be further explained with reference to the drawings and examples.
The disc-shaped gear shaving cutter hole grinding device comprises a mandrel 1, a grinding sleeve 5, an anti-rotation pin 9, an upper fastener and a lower fastener;
the mandrel 1 is provided with a first conical section 2, the conicity of the first conical section 2 is 1:20, the first conical section 2 is provided with a through hole, and the axis of the through hole and the axis of the mandrel 1 are positioned on the same plane and are vertical;
the grinding sleeve 5 is integrally of a cylindrical structure; a taper hole penetrating through two end faces is formed in the grinding sleeve 5, and the taper of the taper hole is the same as that of the first conical section 2 of the mandrel 1, namely 1: 20; the grinding sleeve 5 is provided with a through hole 7 penetrating through one side wall; the through hole 7 of the grinding sleeve 5 is coaxial with the through hole of the first conical section 2 of the mandrel 1, and the grinding sleeve 5 passes through the first conical section 2 of the mandrel 1 and is connected with the mandrel 1;
the upper fastening piece and the lower fastening piece are connected with the mandrel 1 at two ends of the grinding sleeve 5, so that the grinding sleeve 5 is axially fastened, and the upper fastening piece and the lower fastening piece are detachably connected with the mandrel 1;
the anti-rotation pin 9 is inserted into the through holes of the grinding sleeve 5 and the mandrel 1 to prevent the grinding sleeve 5 and the mandrel 1 from rotating relatively; the anti-rotation pin has a diameter of 4mm and a length of 15 mm.
The tip that first cone section 2 was kept away from to dabber 1 is connected with drilling machine cutter arbor main shaft, and dabber 1 is connected for dismantling with the connected mode of drilling machine cutter arbor main shaft.
In this embodiment, the upper fastening member is an upper nut 4, and the lower fastening member is a lower nut 4; both ends of the first conical section 2 of the mandrel 1 are provided with external threads, and the upper nut 4 and the lower nut 4 are provided with internal threads; the upper nut 4 and the lower nut 4 are connected with the mandrel 1 in a threaded manner. The thread specification is M36 × 1.5.
In this embodiment, the upper nut 4 and the lower nut 4 are each provided with four fastening holes, which are evenly distributed along the circumference, for tightening and loosening the nut 4. The fastening holes are blind holes, the diameter of the fastening holes is 6mm, and the hole depth is 8 mm.
In this embodiment, the connection mode of the mandrel 1 and the cutter bar spindle of the drilling machine is conical surface interference connection.
In this embodiment, the end of the mandrel 1 far from the first conical section 2 is the second conical section 3, and the conical direction of the second conical section 3 of the mandrel 1 is opposite to the conical direction of the first conical section 2.
In this embodiment, the grinding sleeve 5 is provided with an opening 6 penetrating through one side wall, the opening 6 is opposite to the through hole on the grinding sleeve 5, and the axis of the opening 6 is collinear with the axis of the through hole on the grinding sleeve 5; the size of the opening 6 is 2-5 mm. In this embodiment, the size of the opening 6 is 3 mm.
In this embodiment, the outer wall of the grinding sleeve 5 is provided with a protrusion for holding and rotating the grinding sleeve 5.
In this embodiment, the through hole 7 of the grinding sleeve 5 is a kidney-shaped hole, and the width of the kidney-shaped hole is 1-1.5mm larger than the outer diameter of the anti-rotation pin 9. In this embodiment, the size of the kidney-shaped hole is set to 5 × 10, and the width is 1mm larger than the diameter of the rotation preventing pin 9. Thus, the insertion of the anti-rotation pin 9 is convenient, and the assembly difficulty is reduced.
The application process of this embodiment is as follows:
1. preliminarily installing the grinding sleeve 5 into the mandrel 1 according to a specified position;
2. an upper nut 4 and a lower nut 4 are installed, the positions of the upper nut 4 and the lower nut 4 are adjusted, so that a taper hole of a grinding sleeve 5 is matched with a first conical section 2 of a mandrel 1, and then the upper nut 4 and the lower nut 4 are screwed;
3. inserting an anti-rotation pin 9 into the grinding sleeve 5 and the mandrel 1;
4. coating grinding sand on the outer wall of the grinding sleeve 5;
5. and starting the drilling machine, and manually controlling the drill rod spindle to reciprocate up and down to finish the grinding of the workpiece 10.
The hole aligning device can grind holes by adopting the mandrel, the grinding sleeve, the upper nut, the lower nut and the anti-rotation pin, and has simple and compact structure and simple assembly process; because the mandrel is in conical surface contact with the grinding sleeve, the diameter of the outer circle of the grinding sleeve is different along with different positions of the mandrel, so that the diameter of the outer circle of the grinding sleeve can be conveniently adjusted, the grinding requirements of holes with different inner diameters are met, and the applicability and the convenience of the device are improved; if the excircle of the grinding sleeve is abraded, the position and the excircle size of the grinding sleeve can be adjusted by adjusting the positions of the upper nut and the lower nut on the mandrel, so that the grinding sleeve is recycled, and the tooling cost is further reduced.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions, which should be covered by the protection scope of the present invention.
Claims (8)
1. Disc gear shaving sword grinds hole device, its characterized in that: comprises a mandrel, a grinding sleeve, an anti-rotation pin, an upper fastener and a lower fastener;
the mandrel is provided with a first conical section, the first conical section is provided with a through hole, and the axis of the through hole and the axis of the mandrel are positioned on the same plane and are vertical;
the whole grinding sleeve is of a cylindrical structure; a taper hole penetrating through two end faces is formed in the grinding sleeve, and the taper of the taper hole is the same as that of the first conical section of the mandrel; a through hole penetrating through one side wall is sleeved in the grinding sleeve; the through hole of the grinding sleeve and the through hole of the first conical section of the mandrel are coaxial, and the grinding sleeve penetrates through the first conical section of the mandrel and is connected with the mandrel;
the upper fastening piece and the lower fastening piece are connected with the mandrel at two ends of the grinding sleeve, so that the grinding sleeve is axially fastened, and the upper fastening piece and the lower fastening piece are detachably connected with the mandrel;
the anti-rotation pin is inserted into the through holes of the grinding sleeve and the core shaft to prevent the grinding sleeve and the core shaft from rotating relatively;
the end part of the mandrel, far away from the first conical section, is connected with the drilling machine cutter bar spindle, and the mandrel is detachably connected with the drilling machine cutter bar spindle.
2. The disc-shaped shaver lapping device of claim 1 wherein: the upper fastening piece is an upper nut, and the lower fastening piece is a lower nut; external threads are arranged at two ends of the first conical section of the mandrel, and internal threads are arranged on the upper nut and the lower nut; the upper nut, the lower nut and the mandrel are connected in a threaded manner.
3. The disc-shaped shaver lapping device of claim 2, wherein: the upper nut and the lower nut are respectively provided with four fastening holes which are uniformly distributed along the circumference and used for screwing and loosening the nuts.
4. The disc-shaped shaver lapping device of claim 1 wherein: the connection mode of the mandrel and the drill machine cutter bar main shaft is conical surface interference connection.
5. The disc-shaped shaver lapping device of claim 4, wherein: the end part of the mandrel, which is far away from the first conical section, is a second conical section, and the conical direction of the second conical section of the mandrel is opposite to that of the first conical section.
6. The disc-shaped shaver lapping device of claim 1 wherein: the grinding sleeve is provided with an opening penetrating through one side wall, the opening is opposite to the through hole in the grinding sleeve, and the axis of the opening is collinear with the axis of the through hole in the grinding sleeve; the size of the opening is 2-5 mm.
7. The disc-shaped shaver lapping device of claim 1 wherein: the outer wall of the grinding sleeve is provided with a bulge for clamping and rotating the grinding sleeve.
8. The disc-shaped shaver lapping device of claim 1 wherein: the through hole of the grinding sleeve is a waist-shaped hole, and the width of the waist-shaped hole is 1-1.5mm larger than the outer diameter of the anti-rotation pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023010680.5U CN214393770U (en) | 2020-12-15 | 2020-12-15 | Hole grinding device for disc-shaped gear shaving cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023010680.5U CN214393770U (en) | 2020-12-15 | 2020-12-15 | Hole grinding device for disc-shaped gear shaving cutter |
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| Publication Number | Publication Date |
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| CN214393770U true CN214393770U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023010680.5U Active CN214393770U (en) | 2020-12-15 | 2020-12-15 | Hole grinding device for disc-shaped gear shaving cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497053A (en) * | 2020-12-15 | 2021-03-16 | 重庆工具厂有限责任公司 | Hole grinding device for disc-shaped gear shaving cutter |
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2020
- 2020-12-15 CN CN202023010680.5U patent/CN214393770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497053A (en) * | 2020-12-15 | 2021-03-16 | 重庆工具厂有限责任公司 | Hole grinding device for disc-shaped gear shaving cutter |
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