CN213004191U - External grinding tool for grinding precision small parts - Google Patents
External grinding tool for grinding precision small parts Download PDFInfo
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- CN213004191U CN213004191U CN202021260632.9U CN202021260632U CN213004191U CN 213004191 U CN213004191 U CN 213004191U CN 202021260632 U CN202021260632 U CN 202021260632U CN 213004191 U CN213004191 U CN 213004191U
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- frock
- fixed base
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Abstract
The utility model discloses a grind accurate finding external grinding frock, including unable adjustment base, unable adjustment base's top is provided with vertical support bar, vertical support bar's top is provided with the top mount, the intermediate position at unable adjustment base top is provided with first frock, the bottom of first frock is provided with top, the top of first frock is provided with accurate finding, the top of accurate finding is provided with the second frock, the outside of second frock is provided with the third frock, the spring caulking groove has been seted up to the downside of third frock, the inside of spring caulking groove is provided with positioning spring. The utility model has the advantages of being scientific and reasonable in structural design, through setting up positioning spring and jackscrew isotructure, it is longer to have solved the external grinding frock process time, and the qualification rate is low, the not good problem of uniformity.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, specifically be a grind accurate finding external grinding frock.
Background
Because the size of the precise small part is smaller, the precision requirement is higher, and the clamping is inconvenient, even a master with rich experience can not efficiently grind a product with the size and the fineness reaching the standard on the premise of adopting a common clamping tool. Therefore, the prior art has the following defects: on one hand, the production and processing period is longer, and the qualification rate is lower; on the other hand, the ground excircle has poor size consistency and the smooth finish does not reach the standard, and the ground excircle of the general precise small part is processed on an excircle grinder by adopting a common clamping tool, so that the ground part has larger difference in size consistency. Therefore, the excircle grinding tool for grinding the small precision parts is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a grind accurate finding and grind excircle frock to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grind accurate finding external grinding frock, includes unable adjustment base, unable adjustment base's top is provided with vertical support bar, vertical support bar's top is provided with the top mount, the intermediate position at unable adjustment base top is provided with first frock, the bottom of first frock is provided with top, the top of first frock is provided with accurate finding, the top of accurate finding is provided with the second frock, the outside of second frock is provided with the third frock, the spring caulking groove has been seted up to the downside of third frock, the inside of spring caulking groove is provided with positioning spring, the inside of third frock is provided with the jackscrew, the inside of vertical support bar is provided with the connecting rod, the one end of connecting rod is provided with the oil pressure soft claw, the bottom of top mount is provided with the pneumatic cylinder.
Preferably, the bottom of the vertical supporting rod is fixedly connected with the fixed base, and the number of the vertical supporting rods is two.
Preferably, the lower side of the tip is embedded in and fixedly connected with the fixed base.
Preferably, the side surface of the small precision part is a conical surface.
Preferably, the first tool is clamped with the small precision part through a conical surface.
Preferably, the bottom of the positioning spring is fixedly connected with the second tool.
Preferably, the jackscrew is in threaded connection with the second tool.
Compared with the prior art, the beneficial effects of the utility model are that: the tool for grinding the excircle of the precise small part has simple and reasonable structural design and strong practicability, the positioning spring is arranged to ensure that the part is acted by transverse force in the machining process so as to ensure that the inner conical surface is completely attached to the tool surface, thereby preventing the device from shaking in the machining process and influencing the machining process of equipment, the mounting process of the precise small part can be quickly completed by arranging the first tool, the second tool and the third tool for matching use, the tool can be further jacked and fixed by arranging the hydraulic cylinder structure, the jackscrew is arranged and has the functions of preventing the part from rotating circumferentially and increasing the friction force, thereby avoiding the phenomenon of rotating in the tool in the machining process of the part and increasing the transverse force received in the machining process of the part by adopting the spring, meanwhile, the top of the grinding fixture is fixed by a jackscrew to prevent axial rotation in the part machining process, the consistency of the excircle size of the ground part and the finish requirement can be improved by the clamping mode, the part machining period can be greatly shortened, and the product percent of pass is improved, so that unnecessary loss of manpower and material resources is reduced.
Drawings
Fig. 1 is a sectional view of the structure of the present invention.
In the figure: the device comprises a fixed base 1, a vertical supporting rod 11, a top fixed frame 12, a first tool 2, a tip 21, a precise small part 22, a second tool 23, a third tool 24, a spring caulking groove 25, a positioning spring 26, a jackscrew 27, a connecting rod 3, a soft claw of oil pressure 31 and a hydraulic cylinder 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a grinding excircle tool for grinding precise small parts comprises a fixed base 1, wherein the top of the fixed base 1 is provided with a vertical support rod 11, the bottom of the vertical support rod 11 is fixedly connected with the fixed base 1, the number of the vertical support rods 11 is two, the top of the vertical support rod 11 is provided with a top fixing frame 12, a first tool 2 is arranged at the middle position of the top of the fixed base 1, the bottom of the first tool 2 is provided with a tip 21, the lower side of the tip 21 is embedded and arranged in the fixed base 1 and fixedly connected with the fixed base, the top of the first tool 2 is provided with a precise small part 22, the side surface of the precise small part 22 is a conical surface, the first tool 2 and the precise small part 22 are clamped and connected through the conical surface, the top of the precise small part 22 is provided with a second tool 23, the outer side of the second tool 23 is provided with a third tool 24, through setting up first frock 2, second frock 23 and the cooperation of third frock 24 and using, can accomplish the installation of accurate finding fast.
The spring caulking groove 25 is formed in the lower side of the third tool 24, the positioning spring 26 is arranged in the spring caulking groove 25, the bottom of the positioning spring 26 is fixedly connected with the second tool 23, the positioning spring 26 is arranged, the positioning spring 26 is used for enabling a part to be acted by transverse force in the machining process, so that the inner conical surface can be completely attached to the tool surface, the device can be prevented from shaking in the machining process, the machining process of the device can be prevented from being influenced,
the inside of third frock 24 is provided with jackscrew 27, jackscrew 27 and second frock 23 threaded connection, the inside of vertical support pole 11 is provided with connecting rod 3, the one end of connecting rod 3 is provided with the soft claw 31 of oil pressure, the bottom of top mount 12 is provided with pneumatic cylinder 32, through setting up pneumatic cylinder 32 structure, can further carry out the top tightly and fixed to the frock, is provided with jackscrew 27, and jackscrew 27's effect lies in preventing part circumferential direction, increases frictional force to can avoid appearing the pivoted phenomenon in the frock inside among the part machining process, through adopting positioning spring 26 to increase the transverse force that receives in the part machining process, the axial rotation in the part machining process is prevented with jackscrew 27 to the top simultaneously, such clamping mode not only can improve the uniformity and the smooth finish requirement of grinding back part excircle size, but also can shorten part machining cycle greatly, The product percent of pass is improved, thereby reducing unnecessary loss of manpower and material resources.
The working principle is as follows:
this kind of grind accurate finding external grinding frock, when using, at first place the positioning spring 26 that will be equipped with inside the spring caulking groove 25, install first frock 2 in proper order, second frock 23 and third frock 24, place the part inside the conical surface of first frock 2, guarantee that the conical surface pastes tightly, use the soft claw 31 of oil pressure to grasp two angles of third frock 24, tighten up the jackscrew 27 rotation, it is fixed with it, it is tight to start hydraulic cylinder 32 with 24 tight backs down of third frock, can begin to process the excircle after all preparation work are accomplished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a grind accurate finding external grinding frock, includes unable adjustment base (1), its characterized in that: the top of the fixed base (1) is provided with a vertical supporting rod (11), the top of the vertical supporting rod (11) is provided with a top fixing frame (12), the middle position of the top of the fixed base (1) is provided with a first tool (2), the bottom of the first tool (2) is provided with a tip (21), the top of the first tool (2) is provided with a precise small part (22), the top of the precise small part (22) is provided with a second tool (23), the outer side of the second tool (23) is provided with a third tool (24), the lower side of the third tool (24) is provided with a spring caulking groove (25), a positioning spring (26) is arranged inside the spring caulking groove (25), the inside of the third tool (24) is provided with a jackscrew (27), the inside of the vertical supporting rod (11) is provided with a connecting rod (3), one end of the connecting rod (3) is provided with an oil pressure soft claw (31), and the bottom of the top fixing frame (12) is provided with a hydraulic cylinder (32).
2. The external circle grinding tool for grinding the small precision parts according to claim 1, characterized in that: the bottom of the vertical supporting rod (11) is fixedly connected with the fixed base (1), and the number of the vertical supporting rods (11) is two.
3. The external circle grinding tool for grinding the small precision parts according to claim 1, characterized in that: the lower side of the center (21) is embedded in the fixed base (1) and is fixedly connected with the fixed base.
4. The external circle grinding tool for grinding the small precision parts according to claim 1, characterized in that: the side surface of the small precision part (22) is a conical surface.
5. The external circle grinding tool for grinding the small precision parts according to claim 1, characterized in that: the first tool (2) is clamped with the small precision part (22) through a conical surface.
6. The external circle grinding tool for grinding the small precision parts according to claim 1, characterized in that: the bottom of the positioning spring (26) is fixedly connected with the second tool (23).
7. The external circle grinding tool for grinding the small precision parts according to claim 1, characterized in that: the jackscrew (27) is in spiral connection with the second tool (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260632.9U CN213004191U (en) | 2020-07-01 | 2020-07-01 | External grinding tool for grinding precision small parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260632.9U CN213004191U (en) | 2020-07-01 | 2020-07-01 | External grinding tool for grinding precision small parts |
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| Publication Number | Publication Date |
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| CN213004191U true CN213004191U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021260632.9U Active CN213004191U (en) | 2020-07-01 | 2020-07-01 | External grinding tool for grinding precision small parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245923A (en) * | 2021-05-12 | 2021-08-13 | 广东韶钢工程技术有限公司 | Repairing device for lathe center and using method thereof |
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2020
- 2020-07-01 CN CN202021260632.9U patent/CN213004191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245923A (en) * | 2021-05-12 | 2021-08-13 | 广东韶钢工程技术有限公司 | Repairing device for lathe center and using method thereof |
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