CN215432566U - Device for processing thin-wall shell parts - Google Patents
Device for processing thin-wall shell parts Download PDFInfo
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- CN215432566U CN215432566U CN202022632994.2U CN202022632994U CN215432566U CN 215432566 U CN215432566 U CN 215432566U CN 202022632994 U CN202022632994 U CN 202022632994U CN 215432566 U CN215432566 U CN 215432566U
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Abstract
The utility model discloses a device for processing thin-wall shell parts, which comprises: the device comprises a bottom plate, a supporting plate, a positioning ring, a floatable trimming pin and a pressing plate; the supporting plate is fixed on the top of the bottom plate through a first bolt, and a positioning key is arranged on the bottom surface of the bottom plate; the positioning ring is fixed at the top of the supporting plate through a second bolt, the supporting plate is provided with a pin hole, a first spring is arranged in the pin hole, and the floatable trimming pin is arranged in the pin hole and pressed at the upper part of the first spring; the bottom plate is provided with two screw holes, and two screw holes are located the backup pad outside respectively, and the cover is equipped with the second spring on the clamp plate clamping screw, and the clamp plate is provided with logical groove, and clamp plate clamping screw passes logical groove and connects on the screw hole. The utility model solves the problems of difficult clamping and alignment, non-coincident reference and difficult dimensional precision guarantee in the manufacturing process of thin-wall shell parts, and can improve the processing efficiency and guarantee the processing quality and precision of products.
Description
Technical Field
The utility model relates to the technical field of machining devices, in particular to a device for machining thin-wall shell parts.
Background
The thin-wall shell type part is irregular in shape, the outline of the part is cast and formed, the requirements on the size precision and the shape and position precision of a processed part are high, the part is extremely prone to being misaligned due to the fact that the datum is not coincident in the clamping and aligning process, the size precision and the shape and position precision of the processed part are serious, follow-up assembly and use are affected, and the part is scrapped.
With the development of industrial technology, the requirements on the quality of products machined by thin-wall shell parts are higher and higher, and the dimensional precision and form and position tolerance precision of the machined parts become the key for determining the quality of the products. For example, a thin-walled housing part is required to have high requirements on the size of a reference hole of the part, the position accuracy and the coaxiality between the reference hole and other hole systems, mainly because the part has thin wall, poor strength, high dimensional tolerance and high form and position tolerance. Firstly, the shell parts have irregular shapes, different end faces, and the like, and the universal tool cannot be clamped and can not meet the part processing requirements. Due to the fact that two sides of the part are machined, when the part is turned over, the degree of freedom of the part in moving downwards, leftwards and rightwards is limited through the holes and the machined end faces, and the degree of freedom of the part in rotating and moving upwards cannot be limited.
The problems of difficult clamping and alignment, non-coincident reference and difficult guarantee of dimensional accuracy exist in the manufacturing process of the existing thin-wall shell parts, so that the processing efficiency is reduced, and the processing quality and accuracy are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of difficult clamping alignment, misaligned reference, difficult dimensional accuracy guarantee and the like in the prior art, and provides a device for machining thin-wall shell parts.
In order to achieve the purpose, the utility model adopts the following technical scheme:
device of processing thin wall casing class part includes: the device comprises a bottom plate, a supporting plate, a positioning ring, a floatable trimming pin and a pressing plate; the supporting plate is fixed on the top of the bottom plate through a first bolt, and a positioning key is arranged on the bottom surface of the bottom plate; the positioning ring is fixed at the top of the supporting plate through a second bolt, the supporting plate is provided with a pin hole, a first spring is arranged in the pin hole, and the floatable trimming pin is arranged in the pin hole and pressed at the upper part of the first spring; the bottom plate is provided with two screw holes, and two screw holes are located the backup pad outside respectively, and the cover is equipped with the second spring on the clamp plate clamping screw, and the clamp plate is provided with logical groove, and clamp plate clamping screw passes logical groove and connects on the screw hole.
Further, the bottom plate is provided with a spring mounting hole, and a sealing cover is arranged on the spring mounting hole; the bottom of the floatable trimming pin is provided with a spring positioning counter bore, and two ends of the first spring are respectively positioned in the spring positioning counter bore and the spring mounting hole.
Furthermore, the inner wall of the pin hole of the supporting plate is provided with a sliding groove, the outer wall of the floatable trimming pin is provided with a sliding key counter bore, the bottom end of the sliding key is installed in the sliding key counter bore, and the top end of the sliding key is located in the sliding groove.
Further, a top plate is arranged at the top end of the floatable trimming pin.
The utility model has the beneficial effects that:
the technology of the utility model can be widely applied to the manufacturing process of machining thin-wall shell parts with different specifications, the machining tool can realize quick clamping and alignment, automatic centering and improvement of rigidity and cutting stability, solves the problems of difficult and easy part clamping, improves the operation efficiency, ensures the quality and the machining precision of products, and provides guarantee for the efficiency improvement of factories.
The utility model automatically adapts to the diameter change of a non-processed hole on a part by the characteristic that the diameter of the floatable edging pin is different at different radial positions, so that the floatable edging pin is in line contact with a blank hole of the part, and plays a role in limiting the freedom degree of the part, thereby solving the problems of difficult clamping alignment, non-coincident reference and difficult guarantee of dimensional precision in the manufacturing process of thin-wall shell parts, improving the processing efficiency and guaranteeing the processing quality and precision of products.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for machining thin-walled casing parts according to the present invention;
FIG. 2 is a schematic view showing a state of use of the apparatus for machining thin-walled casing-like parts according to the present invention;
FIG. 3 is a schematic longitudinal sectional view of FIG. 2;
FIG. 4 is a front view of the floatable edging pin of the present invention;
FIG. 5 is a schematic longitudinal sectional view of the floatable edging pin according to the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the utility model to enable those skilled in the art to practice and reproduce it.
FIG. 1 is a schematic structural diagram of an apparatus for machining thin-walled casing parts according to the present invention; FIG. 2 is a schematic view showing a state of use of the apparatus for machining thin-walled housing parts according to the present invention; as shown in fig. 3, the longitudinal section of fig. 2 is schematically shown.
Device of processing thin wall casing class part includes: the device comprises a bottom plate 1, a supporting plate 2, a positioning ring 3, a floatable trimming pin 4 and a pressing plate 5; the supporting plate 2 is fixed on the top of the bottom plate 1 through a first bolt 6, and a positioning key 8 is arranged on the bottom surface of the bottom plate 1; the positioning ring 3 is fixed at the top of the supporting plate 2 through a second bolt 7, the supporting plate 2 is provided with a pin hole, a first spring 9 is arranged in the pin hole, and the floatable trimming pin 4 is arranged in the pin hole and pressed at the upper part of the first spring 9; the bottom plate 1 is provided with two screw holes, and two screw holes are located the 2 outsides of backup pad respectively, and the cover is equipped with second spring 11 on the clamp plate clamping screw 10, and clamp plate 5 is provided with logical groove 12, and clamp plate clamping screw 10 passes logical groove 12 and connects on the screw hole.
FIG. 4 is a front view of the floatable edging pin 4 of the present invention; fig. 5 is a schematic longitudinal sectional view of the floatable edging pin 4 according to the present invention.
The bottom plate 1 is provided with a spring mounting hole, and a sealing cover is arranged on the spring mounting hole; the bottom of the floatable trimming pin 4 is provided with a spring positioning counter bore 43, and two ends of the first spring 9 are respectively positioned in the spring positioning counter bore 43 and the spring mounting hole. The inner wall of a pin hole of the support plate 2 is provided with a sliding groove, the outer wall of the floatable trimming pin 4 is provided with a sliding key counter bore 41, the bottom end of the sliding key is installed in the sliding key counter bore 41, and the top end of the sliding key is positioned in the sliding groove. Thus, the floating edging pin 4 is positioned by the sliding key during the moving process, and the linearity of the moving of the floating edging pin 4 is kept.
The top end of the floatable edging pin 4 is provided with a top plate 42, which can reduce the contact area with the part 20 and is convenient for fixing the part.
The floatable edging pin 4 is supported by the first spring 9, and the use of the first spring 9 for supporting can simplify the structure, reduce auxiliary equipment and facilitate maintenance compared with hydraulic or pneumatic support. The floatable edging pin 4 moves up and down, automatically adapts to the diameter change of the unmachined hole on the part 20 through the top plate 42, and forms line contact with the blank hole of the part 20, thereby playing a role in limiting the degree of freedom of the part 20.
The use process comprises the following steps:
when the utility model is used, the bottom plate 1 is connected with the T-shaped groove on the machine tool in a positioning way through the positioning key 8, and the machining zero point is determined by establishing the relation between the utility model and the machine tool coordinate system through the tool setting point. The machined reference hole of the part 20 is sleeved on the outer side of the positioning ring 3, the floatable trimming pin 4 is arranged in a blank hole at the front end of the part 20, the bottom surface of the part 20 is tightly attached to the surface of the supporting plate 2, then the pressing plate 5 is pressed downwards, and the part 20 is fixed through the pressing plate fixing screw rod 10, so that subsequent machining operation can be carried out.
Because the part 20 is a casting, the machining process needs to utilize a casting surface to limit the degree of freedom, and the floatable edging pin 4 is designed to limit the rotation of the part 20 for the convenience of adjustment. The floatable edging pin 4 has the advantages that the floatable edging pin can be adjusted in the depth direction according to the condition of the part positioning surface, so that the positioning effect is achieved, and the machining deformation caused by excessive extrusion of the part 20 is reduced. The device has the advantages that the coaxiality requirement of holes needs to be met in machining, the position precision requirement between the holes is high, the problems that the thin-wall shell parts are difficult to position in the manufacturing process, easy to deform in machining and difficult to guarantee the position precision are solved, the machining efficiency is improved, and the machining quality and precision of products are guaranteed.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (4)
1. An apparatus for machining thin-walled shell-like parts, comprising: the device comprises a bottom plate, a supporting plate, a positioning ring, a floatable trimming pin and a pressing plate; the supporting plate is fixed on the top of the bottom plate through a first bolt, and a positioning key is arranged on the bottom surface of the bottom plate; the positioning ring is fixed at the top of the supporting plate through a second bolt, the supporting plate is provided with a pin hole, a first spring is arranged in the pin hole, and the floatable trimming pin is arranged in the pin hole and pressed at the upper part of the first spring; the bottom plate is provided with two screw holes, and two screw holes are located the backup pad outside respectively, and the cover is equipped with the second spring on the clamp plate clamping screw, and the clamp plate is provided with logical groove, and clamp plate clamping screw passes logical groove and connects on the screw hole.
2. The device for processing the thin-wall shell type part according to claim 1, wherein the bottom plate is provided with a spring mounting hole, and a sealing cover is arranged on the spring mounting hole; the bottom of the floatable trimming pin is provided with a spring positioning counter bore, and two ends of the first spring are respectively positioned in the spring positioning counter bore and the spring mounting hole.
3. The device for machining the thin-wall shell type part according to claim 1, wherein the inner wall of the pin hole of the support plate is provided with a sliding groove, the outer wall of the floatable trimming pin is provided with a sliding key counter bore, the bottom end of the sliding key is installed in the sliding key counter bore, and the top end of the sliding key is located in the sliding groove.
4. The apparatus for machining thin-walled casing-like parts of claim 1, wherein the floatable edging pin is provided at its top with a top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022632994.2U CN215432566U (en) | 2020-11-13 | 2020-11-13 | Device for processing thin-wall shell parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022632994.2U CN215432566U (en) | 2020-11-13 | 2020-11-13 | Device for processing thin-wall shell parts |
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| Publication Number | Publication Date |
|---|---|
| CN215432566U true CN215432566U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022632994.2U Active CN215432566U (en) | 2020-11-13 | 2020-11-13 | Device for processing thin-wall shell parts |
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| CN (1) | CN215432566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734393A (en) * | 2022-05-18 | 2022-07-12 | 一汽解放汽车有限公司 | Fixing clamp for thin-wall shell |
-
2020
- 2020-11-13 CN CN202022632994.2U patent/CN215432566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734393A (en) * | 2022-05-18 | 2022-07-12 | 一汽解放汽车有限公司 | Fixing clamp for thin-wall shell |
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