CN215356515U - Fixing device for reaming of special-shaped piece - Google Patents
Fixing device for reaming of special-shaped piece Download PDFInfo
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- CN215356515U CN215356515U CN202121816010.4U CN202121816010U CN215356515U CN 215356515 U CN215356515 U CN 215356515U CN 202121816010 U CN202121816010 U CN 202121816010U CN 215356515 U CN215356515 U CN 215356515U
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Abstract
本实用新型涉及异形件的加工技术领域，具体涉及一种异形件铰孔加工的固定装置，包括第一压板和第二压板；所述第一压板和所述第二压板之间通过活动连接，所述第一压板上设有第一开孔，所述第二压板对应所述第一开孔处设有第二开孔；待加工零件安装于所述第一压板和第二压板之间。本实用新型通过第一压板和第二压板将待加工的两个异型零件固定，在第一压板上设有第一开孔，在第二压板上设有第二开孔，这样铰刀在加工的时候需要穿过第二开孔才能进行销孔，通过第二压板的第二开孔就可以对铰刀进行一定的导向，可以防止铰刀偏斜，从而加工出来的销孔尺寸的精度更高。
The utility model relates to the technical field of processing of special-shaped parts, in particular to a fixing device for reaming processing of special-shaped parts, comprising a first pressing plate and a second pressing plate; the first pressing plate and the second pressing plate are connected movably, The first pressing plate is provided with a first opening, and the second pressing plate is provided with a second opening corresponding to the first opening; the parts to be processed are installed between the first pressing plate and the second pressing plate. The utility model fixes the two special-shaped parts to be processed by the first pressing plate and the second pressing plate. When it is necessary to pass through the second opening to make the pin hole, the reamer can be guided to a certain extent through the second opening of the second platen, which can prevent the reamer from being skewed, so that the precision of the machined pin hole size is better. high.
Description
Technical Field
The utility model relates to the technical field of machining of special-shaped pieces, in particular to a fixing device for reaming a special-shaped piece.
Background
When a part is machined, in order to ensure the characteristic dimension and form and position tolerance after a plurality of parts are combined, a plurality of parts are often required to be combined and machined, and when the parts which are combined and machined are separated and combined again, the corresponding characteristic dimension and form and position tolerance are also required to be ensured. For parts with complex shapes, pin holes cannot be machined in a combined mode on a machine tool for two parts due to the shape structure, and the pin holes need to be machined manually. The existing method for processing the pin hole is to directly and manually process the pin hole on two workpieces through a reamer after the two workpieces to be processed with the pin hole are connected through a connecting bolt. When the pin holes are machined manually, the direction of the reamer is not fixed, the reamer is prone to being inclined, the machined pin holes are likely to be out of round, and the size is difficult to control.
Disclosure of Invention
The utility model provides a fixing device for reaming a special-shaped piece, aiming at the problems that the direction of a pin hole cannot be fixed when the pin hole of the special-shaped piece is machined at present, so that the pin hole is inclined, out of round, incorrect in size and the like.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a fixing device for reaming a special-shaped piece comprises a first pressing plate and a second pressing plate; the first pressing plate is movably connected with the second pressing plate, a first opening is formed in the first pressing plate, and a second opening is formed in the second pressing plate corresponding to the first opening; the part to be processed is arranged between the first pressing plate and the second pressing plate.
Preferably, the second pressing plate is provided with a guide sleeve, and the guide sleeve is provided with a guide hole; the part to be processed is positioned on the guide sleeve. According to the size of part pinhole of difference probably different, because set up a uide bushing, install the uide bushing on the second clamp plate, the external diameter of uide bushing is unchangeable, and the internal diameter is selected according to the pinhole size of difference to only need change the uide bushing when processing the pinhole of equidimension not can.
Preferably, a step is arranged on the guide sleeve, and the outer diameter of the step is larger than the inner diameter of the second opening. The guide sleeve is set to be different in outer diameter of two ends, the outer diameter of the step is larger than the inner diameter of the second opening, and therefore the guide sleeve can be abutted through the second pressing plate, and the guide sleeve is prevented from sliding.
Preferably, the first pressure plate and the second pressure plate are connected through a first bolt. The distance between the first pressing plate and the second pressing plate can be conveniently adjusted through the bolt connection between the first pressing plate and the second pressing plate, so that the device is suitable for more parts to be machined.
Preferably, a second bolt is further arranged between the first pressing plate and the second pressing plate, and the top of the second bolt is located at the bottom bolt of the first pressing plate. The first bolt applies a downward force to the first pressing plate, and in order to prevent the first pressing plate from being deformed, the top of the second bolt is positioned at the lower part of the first pressing plate, and the second bolt provides an upward force to the first pressing plate.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, two special-shaped parts to be processed are fixed through the first pressing plate and the second pressing plate, the first opening is formed in the first pressing plate, and the second opening is formed in the second pressing plate, so that the reamer can pass through the second opening to perform a pin hole in the processing process, the reamer can be guided to a certain extent through the second opening of the second pressing plate, the reamer can be prevented from deflecting, and the size precision of the processed pin hole is higher.
Description of the drawings:
fig. 1 is a schematic structural view of a fixing device for reaming a special-shaped piece provided by the utility model;
fig. 2 is a usage diagram of the usage state of fig. 1.
The labels in the figure are: 1-a first pressing plate, 2-a second pressing plate, 3-a first part, 4-a second part, 5-a first opening, 6-a second opening, 7-a guide sleeve, 8-a guide hole, 9-a step, 10-a first bolt, 11-a second bolt, 12-a connecting bolt and 13-a reamer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the utility model provides a fixing device for reaming a special-shaped piece, which comprises a first pressing plate 1 and a second pressing plate 2; the first pressing plate 1 is movably connected with the second pressing plate 2, the first pressing plate 1 can be connected with the second pressing plate 2 through a first bolt 10, and the first pressing plate can also be connected with the second pressing plate 2 through other modes, such as a connecting rope, a clamping hoop and the like. And a second bolt 11 is further arranged between the second pressing plate 2 and the first pressing plate 1, the second bolt 11 is in bolted connection with the second pressing plate 2, and the top of the second bolt 11 is attached to the first pressing plate 1. The first bolts 10 apply a downward force to the first presser plate 1. In order to prevent the first presser plate 1 from being deformed, the top of the second bolt 11 is located at the lower portion of the first presser plate 1, and the second bolt 11 applies an upward force to the first presser plate 1.
A first opening 5 is formed in the first pressing plate 1, and a second opening 6 is formed in the second pressing plate 2 corresponding to the first opening 5; the part to be processed is arranged between the first pressing plate 1 and the second pressing plate 2, so that the second opening 6 or the first opening 5 plays a role of guiding when the pin hole is processed.
Of course, in order to make the fixing device for the reaming of the special-shaped piece suitable for machining more parts with different sizes, the guide sleeve 7 can be installed on the second pressing plate 2, the outer diameter of the guide sleeve 7 is matched with the second opening 6, and the inner diameter of the guide sleeve 7 can be selected according to requirements. In order to prevent the guide sleeve 7 from sliding when the pin hole is machined, the step 9 is arranged on the guide sleeve 7, the outer diameter of the step 9 is larger than the inner diameter of the second opening 6, so that the guide sleeve 7 can be abutted through the second pressing plate 2, a part to be machined is installed between the first pressing plate 1 and the guide sleeve 7, and the guide hole 8 in the guide sleeve 7 is the same as the size of the needed pin hole.
The working process is as follows: firstly, grinding the right end faces of a first part 3 and a second part 4 to be processed on a machine tool to be flat, so that the right end face of the first part 3 is flush with the right end face of the second part 4; then, the right end face of the first part 3 is used as a base to process a first connecting hole in the first part 3 and a binding face with the second part 4, the right end face of the second part 4 is used as a base to process a second connecting hole in the second part 4 and a binding face with the first part 3, and after the first part 3 and the second part 4 are connected through the connecting bolt 12, pre-pin holes are respectively processed in the first part 3 and the second part 4. The size of the pre-pin hole is smaller than the size of the required pin hole, for example, if the pin hole with the diameter of 20mm needs to be machined, the diameter of the pre-pin hole is smaller than 20 mm.
The combined first part 3 and the combined second part 4 are placed on the guide sleeve 7, the reamer 13 matched with the size of the pre-pin hole penetrates through the guide hole 8 and then enters the pre-pin hole in the second part 4, if the reamer 13 can smoothly penetrate through the first part 3 and the second part 4, the first bolt 10 and the second bolt 11 are adjusted, and the first pressing plate 1 and the second pressing plate 2 are connected through the first bolt 10 and the second bolt 11 and do not slide. Finally, a reamer 13 with the required size passes through the guide hole 8 and then is subjected to pin hole processing. And after the pin hole is finished, taking out the reamer 13, and loosening the first bolt 10 and the second bolt 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A fixing device for reaming a special-shaped piece is characterized by comprising a first pressing plate (1) and a second pressing plate (2); the first pressing plate (1) is movably connected with the second pressing plate (2), a first opening (5) is formed in the first pressing plate (1), and a second opening (6) is formed in the second pressing plate (2) corresponding to the first opening (5); the part to be processed is arranged between the first pressing plate (1) and the second pressing plate (2); a guide sleeve (7) is arranged on the second pressing plate (2), and a guide hole (8) is formed in the guide sleeve (7); the part to be processed is positioned on the guide sleeve (7).
2. A fixing device for the reaming of profile elements according to claim 1, characterized in that the guide sleeve (7) is provided with a step (9), the outer diameter of the step (9) being greater than the inner diameter of the second opening (6).
3. A fixing device for the reaming of profile elements according to claim 1, characterized in that the first pressure plate (1) and the second pressure plate (2) are connected by means of first bolts (10).
4. A fixing device for reaming a profiled element according to claim 3, characterized in that a second bolt (11) is also arranged between the first pressing plate (1) and the second pressing plate (2), the top of the second bolt (11) being located at the bottom of the first pressing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816010.4U CN215356515U (en) | 2021-08-03 | 2021-08-03 | Fixing device for reaming of special-shaped piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816010.4U CN215356515U (en) | 2021-08-03 | 2021-08-03 | Fixing device for reaming of special-shaped piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215356515U true CN215356515U (en) | 2021-12-31 |
Family
ID=79616067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121816010.4U Active CN215356515U (en) | 2021-08-03 | 2021-08-03 | Fixing device for reaming of special-shaped piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215356515U (en) |
-
2021
- 2021-08-03 CN CN202121816010.4U patent/CN215356515U/en active Active
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