CN215880192U - Gear grinding clamping device for gear shaft - Google Patents
Gear grinding clamping device for gear shaft Download PDFInfo
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- CN215880192U CN215880192U CN202120919471.8U CN202120919471U CN215880192U CN 215880192 U CN215880192 U CN 215880192U CN 202120919471 U CN202120919471 U CN 202120919471U CN 215880192 U CN215880192 U CN 215880192U
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- gear
- spring jacket
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Abstract
The utility model discloses a gear grinding clamping device for a gear shaft, which comprises a base, wherein the lower end of the base is provided with a connecting structure and is used for being connected with a machine tool workbench; the oil drainage device is characterized in that a mounting seat is arranged on the base, a mounting hole vertically penetrating through the mounting seat is formed in the mounting seat, an oil drainage groove is formed in the lower end face of the mounting seat, and the inner end of the oil drainage groove is communicated with the mounting hole; a spring jacket with a cylindrical structure is vertically movably arranged in the mounting hole, and a plurality of tightening ports with upper end openings are uniformly distributed at the upper end of the spring jacket in the wall thickness direction; an insertion hole is formed in an inner hole of the spring jacket and is used for vertically inserting the lower end of a gear shaft to be processed; the mounting hole includes the big tip opening that the lower extreme diameter of the upper end diameter set up for a short time, and spring jacket includes the frustum section that the big lower extreme diameter of the upper end diameter set up for a short time, and makes frustum section and tip opening be the cooperation setting. The utility model has the advantages of simple structure, more convenient cooling oil removal and more convenient clamping operation.
Description
Technical Field
The utility model belongs to the technical field of gear shaft machining, and particularly relates to a gear grinding clamping device for a gear shaft.
Background
As shown in fig. 4, the gear shaft of the above structure is provided with a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear from top to bottom. The gear shaft comprises a gear shaft blank obtained by casting and forming, and machining the gear shaft blank, wherein the machining comprises a gear grinding step, and the gear grinding comprises the step of machining a second transmission gear.
When the gear shaft with the structure is used for grinding and manufacturing, the existing clamping device has the following defects: 1, cooling oil is usually adopted for cooling during gear grinding, but grinding iron chips mud is mixed in the cooling oil, and the cooling oil is easy to deposit in the tool and cannot be well removed; 2, a centre is adopted to abut tightly, the centre and a base in the existing structure are split, and after the centre is installed, the position precision is poor, so that the clamping precision is reduced; 3 inconvenient clamping operation, and the clamping is troublesome and laboursome.
Therefore, how to provide a gear grinding and clamping device for a gear shaft, which has a simple structure, can be used for more conveniently removing cooling oil and can be used for more conveniently clamping and operating, and the technical problem to be solved by technical personnel in the field is solved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the technical problems to be solved by the utility model are as follows: how to provide a simple structure can make things convenient for the coolant oil to get rid of more, can make things convenient for the gear grinding clamping device of clamping operation more.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a gear grinding clamping device for a gear shaft comprises a base, wherein a connecting structure is arranged at the lower end of the base and is used for being connected with a machine tool workbench; the oil drainage device is characterized in that a mounting seat is arranged on the base, a mounting hole vertically penetrating through the mounting seat is formed in the mounting seat, an oil drainage groove is formed in the lower end face of the mounting seat, and the inner end of the oil drainage groove is communicated with the mounting hole; a spring jacket with a cylindrical structure is vertically movably arranged in the mounting hole, and a plurality of tightening ports with upper end openings are uniformly distributed at the upper end of the spring jacket in the wall thickness direction; an insertion hole is formed in an inner hole of the spring jacket and is used for vertically inserting the lower end of a gear shaft to be processed; the spring jacket comprises a frustum section with the upper end larger in diameter and the lower end smaller in diameter, and the frustum section and the conical hole are arranged in a matched mode; a lower center is arranged on the upper surface of the base and upwards corresponding to the center of the mounting hole, and the lower center is used for being abutted and supported on the end surface of the lower end of the gear shaft; the lower end of the spring jacket is provided with a tension connecting end and is used for being connected with a tension mechanism, and the spring jacket is enabled to vertically move downwards in the mounting hole and inwards furl so as to clamp the gear shaft; and an upper tip is arranged at the upper end of the corresponding gear shaft and is supported at the upper end of the gear shaft in an abutting mode.
Like this, foretell gear shaft gear grinding clamping device is when using, and in the vertical insert spring jacket hole formation's of gear shaft lower extreme that will supply to wait to process the insert hole for gear shaft lower extreme terminal surface butt supports top upper end down, and the pulling force link end of spring jacket lower extreme links to each other with tensile mechanism, and the spring jacket is in the mounting hole vertical downstream and inwards draw in order to press from both sides the gear shaft tightly, and correspond the gear shaft upper end and still be equipped with top and butt support in the gear shaft upper end. In the structure, the arranged oil discharge groove can be used for discharging cooling oil more conveniently. Moreover, the device has simple structure and is convenient for clamping operation.
As optimization, one side of the tightening opening, which is far away from the open end, is jointed with a deformation hole which is arranged in the wall thickness direction of the spring jacket and is in a long waist hole structure, and one end of the deformation hole is communicated with the tightening opening.
Therefore, the spring jacket can be better folded inwards, and the gear shaft can be better clamped.
Preferably, the middle position of the inner peripheral wall and the middle position of the outer peripheral wall of the spring jacket are respectively provided with a first deformation groove and a second deformation groove.
Like this, it is more reasonable to set up, can make spring jacket press from both sides tightly the gear shaft better.
Preferably, the upper end face of the base protrudes upwards and is integrally formed to obtain the lower tip.
Therefore, the base and the lower tip are integrally formed, the processing and the manufacturing can be more convenient, the precision is higher, and the clamping precision can be improved.
As optimization, the lower surface of the base is provided with a placement hole in a blind hole structure; the spring clamp is characterized in that a pulling plate is arranged in the placing hole, a pulling screw which is arranged upwards is connected to the pulling plate, the upper end of the pulling screw vertically penetrates through a vertical hole formed in the base and is connected into a threaded connection hole formed in the lower end face of the spring clamp sleeve correspondingly, a pull rod which is arranged vertically downwards is connected to the middle of the pulling plate, and the lower end of the pull rod forms the pulling connection end.
Like this, the structure is simpler for the pulling force to spring jacket is more steady.
Preferably, the base and the mounting seat are connected together through screws.
Thus, the structure is simpler, and the disassembly and the assembly are more convenient.
As optimization, the base is integrally designed to be a cylindrical structure, the outer circumferential surface of the lower end of the base is outwards protruded to form a circle of connecting plates of a circular ring structure, and the connecting structures comprise a plurality of connecting and fixing holes which are uniformly distributed on the connecting plates.
Therefore, the machine tool can be more conveniently connected and fixed with the machine tool.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of the spring collet of fig. 1.
Fig. 3 is a schematic structural diagram of the base in fig. 1.
Fig. 4 is a schematic structural view of the gear shaft in fig. 1.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 4: a gear grinding clamping device for a gear shaft comprises a base 1, wherein a connecting structure is arranged at the lower end of the base and is used for being connected with a machine tool workbench; the base 1 is provided with a mounting seat 2, the mounting seat is provided with a mounting hole which is vertically penetrated, the lower end surface of the mounting seat is provided with an oil discharge groove 3, and the inner end of the oil discharge groove is communicated with the mounting hole; a cylindrical spring jacket 4 is vertically movably arranged in the mounting hole, and a plurality of tightening openings 5 with upper end openings are uniformly distributed at the upper end of the spring jacket and penetrate through the wall thickness direction of the spring jacket; an insertion hole is formed in an inner hole of the spring jacket and is used for vertically inserting the lower end of the gear shaft 6 to be processed; the mounting hole comprises a conical hole with the diameter of the upper end larger than that of the lower end smaller than that of the upper end, the spring jacket comprises a frustum section 7 with the diameter of the upper end larger than that of the lower end smaller than that of the upper end, and the frustum section and the conical hole are arranged in a matched mode; a lower center 8 is arranged on the upper surface of the base and upwards corresponding to the center of the mounting hole, and the lower center is used for being supported on the end face of the lower end of the gear shaft in an abutting mode; the lower end of the spring jacket is provided with a tension connecting end and is used for being connected with a tension mechanism, and the spring jacket is enabled to vertically move downwards in the mounting hole and inwards furl so as to clamp the gear shaft; and an upper tip 9 is arranged at the upper end of the corresponding gear shaft and is supported at the upper end of the gear shaft in an abutting mode.
Like this, foretell gear shaft gear grinding clamping device is when using, and in the vertical insert spring jacket hole formation's of gear shaft lower extreme that will supply to wait to process the insert hole for gear shaft lower extreme terminal surface butt supports top upper end down, and the pulling force link end of spring jacket lower extreme links to each other with tensile mechanism, and the spring jacket is in the mounting hole vertical downstream and inwards draw in order to press from both sides the gear shaft tightly, and correspond the gear shaft upper end and still be equipped with top and butt support in the gear shaft upper end. In the structure, the arranged oil discharge groove can be used for discharging cooling oil more conveniently. Moreover, the device has simple structure and is convenient for clamping operation.
In the specific embodiment, one side of the tightening opening, which is far away from the open end, is connected with a deformation hole 10 which is arranged in the wall thickness direction of the spring jacket and has a long waist hole structure, and one end of the deformation hole is communicated with the tightening opening.
Therefore, the spring jacket can be better folded inwards, and the gear shaft can be better clamped.
In the present embodiment, the spring jacket has a first deformation groove 11 and a second deformation groove 12 at the middle of the inner peripheral wall and the outer peripheral wall, respectively.
Like this, it is more reasonable to set up, can make spring jacket press from both sides tightly the gear shaft better.
In this embodiment, the upper end surface of the base protrudes upward and is integrally formed to obtain the lower tip.
Therefore, the base and the lower tip are integrally formed, the processing and the manufacturing can be more convenient, the precision is higher, and the clamping precision can be improved.
In the specific embodiment, the lower surface of the base is provided with a placement hole in a blind hole structure; the spring clamp is characterized in that a pull plate 13 is arranged in the placement hole, a tension screw 14 which is arranged upwards is connected to the pull plate, the upper end of the tension screw vertically penetrates through a vertical hole formed in the base and is correspondingly connected to a threaded connection hole formed in the lower end face of the spring clamp sleeve, a pull rod 15 which is arranged vertically downwards is connected to the middle of the pull plate, and the lower end of the pull rod forms the tension connection end.
Like this, the structure is simpler for the pulling force to spring jacket is more steady.
In this embodiment, the base and the mounting seat are connected together by screws.
Thus, the structure is simpler, and the disassembly and the assembly are more convenient.
In this embodiment, the base is designed to be a cylindrical structure, the outer circumferential surface of the lower end of the base is outwardly protruded to form a circle of connecting plates 16 with a circular ring structure, and the connecting structure comprises a plurality of connecting fixing holes 17 which are uniformly distributed on the connecting plates.
Therefore, the machine tool can be more conveniently connected and fixed with the machine tool.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A gear grinding clamping device for a gear shaft comprises a base, wherein a connecting structure is arranged at the lower end of the base and is used for being connected with a machine tool workbench; the oil drainage device is characterized in that a mounting seat is arranged on the base, a mounting hole vertically penetrating through the mounting seat is formed in the mounting seat, an oil drainage groove is formed in the lower end face of the mounting seat, and the inner end of the oil drainage groove is communicated with the mounting hole; a spring jacket with a cylindrical structure is vertically movably arranged in the mounting hole, and a plurality of tightening ports with upper end openings are uniformly distributed at the upper end of the spring jacket in the wall thickness direction; an insertion hole is formed in an inner hole of the spring jacket and is used for vertically inserting the lower end of a gear shaft to be processed; the spring jacket comprises a frustum section with the upper end larger in diameter and the lower end smaller in diameter, and the frustum section and the conical hole are arranged in a matched mode; a lower center is arranged on the upper surface of the base and upwards corresponding to the center of the mounting hole, and the lower center is used for being abutted and supported on the end surface of the lower end of the gear shaft; the lower end of the spring jacket is provided with a tension connecting end and is used for being connected with a tension mechanism, and the spring jacket is enabled to vertically move downwards in the mounting hole and inwards furl so as to clamp the gear shaft; and an upper tip is arranged at the upper end of the corresponding gear shaft and is supported at the upper end of the gear shaft in an abutting mode.
2. The gear grinding clamping device for the gear shaft according to claim 1, wherein: one side of the tightening opening, which is far away from the open end, is jointed with a deformation hole which is arranged in the wall thickness direction of the spring jacket and has a long waist hole structure, and one end of the deformation hole is communicated with the tightening opening.
3. The gear grinding clamping device for the gear shaft according to claim 1, wherein: the middle position of the inner peripheral wall of the spring jacket and the middle position of the outer peripheral wall are respectively provided with a first deformation groove and a second deformation groove.
4. The gear grinding clamping device for the gear shaft according to claim 1, wherein: the upper end face of the base protrudes upwards and is integrally formed to obtain the lower tip.
5. The gear grinding clamping device for the gear shaft according to claim 1, wherein: the lower surface of the base is provided with a mounting hole in a blind hole structure; the spring clamp is characterized in that a pulling plate is arranged in the placing hole, a pulling screw which is arranged upwards is connected to the pulling plate, the upper end of the pulling screw vertically penetrates through a vertical hole formed in the base and is connected into a threaded connection hole formed in the lower end face of the spring clamp sleeve correspondingly, a pull rod which is arranged vertically downwards is connected to the middle of the pulling plate, and the lower end of the pull rod forms the pulling connection end.
6. The gear grinding clamping device for the gear shaft according to claim 5, wherein: the base and the mounting seat are connected together through screws.
7. The gear grinding clamping device for the gear shaft according to claim 1, wherein: the base is wholly cylindrical structural design, outwards protrudes the connecting plate that forms round ring shape structure on the outer periphery of base lower extreme, connection structure includes a plurality of connection fixed orificess that are evenly distributed on the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120919471.8U CN215880192U (en) | 2021-04-29 | 2021-04-29 | Gear grinding clamping device for gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120919471.8U CN215880192U (en) | 2021-04-29 | 2021-04-29 | Gear grinding clamping device for gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215880192U true CN215880192U (en) | 2022-02-22 |
Family
ID=80496596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120919471.8U Active CN215880192U (en) | 2021-04-29 | 2021-04-29 | Gear grinding clamping device for gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215880192U (en) |
-
2021
- 2021-04-29 CN CN202120919471.8U patent/CN215880192U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1, Mudan Road, Nan'an District, Chongqing 400055 Patentee after: Double ring drive (Chongqing) Precision Technology Co.,Ltd. Address before: No.1, Mudan Road, Nan'an District, Chongqing 400055 Patentee before: CHONGQING SHENJIAN AUTO TRANSMISSION CO.,LTD. |