CN223160552U - Machining tool for cooling spiral case - Google Patents
Machining tool for cooling spiral caseInfo
- Publication number
- CN223160552U CN223160552U CN202521266426.1U CN202521266426U CN223160552U CN 223160552 U CN223160552 U CN 223160552U CN 202521266426 U CN202521266426 U CN 202521266426U CN 223160552 U CN223160552 U CN 223160552U
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- China
- Prior art keywords
- cooling
- volute
- supporting plate
- positioning
- ball joint
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Abstract
The utility model discloses a processing tool for a cooling volute, which comprises a clamp main body, an adjusting backing ring, a positioning block, a clamping device and a clamping device, wherein the adjusting backing ring is arranged on the clamp main body and is used for being matched with a mounting and positioning surface of the cooling volute, the positioning block is arranged on the clamp main body and is provided with a positioning groove which is used for being matched with an outlet pipe of the cooling volute, the clamping device comprises a driving unit, a connecting transmission unit and an opening gasket, the driving unit is arranged on the clamp main body, the opening gasket is positioned in the cooling volute, and the driving unit drives the opening gasket to move downwards through the connecting transmission unit so as to press the cooling volute.
Description
Technical Field
The utility model relates to a machining tool, in particular to a machining tool for cooling a volute.
Background
The cooling volute is used as a core component of key equipment such as a supercharger, a compressor and the like, and the processing quality of the cooling volute directly influences the performance and the reliability of the whole machine. The cooling volute has the characteristics of a complex spiral curved surface, an irregular geometric profile and a thin-wall structure, belongs to typical special-shaped parts, and is faced with technical challenges of difficult clamping and positioning, difficult guarantee of machining precision and the like in the machining process. With the development of manufacturing industry to high precision and high efficiency and the increasing complexity and diversification of product structures, the conventional universal fixture cannot meet the processing requirements of the special-shaped parts. Therefore, the special processing tool specially aiming at the special-shaped parts such as the cooling spiral case is developed, and the special processing tool has important engineering practical value and economic significance for improving the processing efficiency, ensuring the product quality and reducing the production cost.
At present, in the field of machining special-shaped parts such as cooling volutes, the clamping modes mainly comprise the steps of firstly using universal clamps such as a standard machine vice or a three-jaw chuck and the like to adapt to the shape of a workpiece through adding a cushion block or customizing clamping jaws, secondly using a hydraulic or pneumatic chuck to match with the special clamping jaws for clamping, thirdly using a vacuum chuck or a magnetic clamp for carrying out traceless clamping, and fourthly designing a special fixed clamp for customizing the shape of the specific workpiece. In the aspect of positioning, the conventional method is to limit the freedom degree of the workpiece by adopting a mode of planar positioning matching hole positioning, excircle positioning or V-shaped block positioning and the like. The prior art can realize the clamping of special-shaped parts to a certain extent, is widely applied to actual production, and provides a technical foundation for the mass production of related products.
However, the existing clamping technology still has a plurality of defects when processing and cooling special-shaped thin-wall parts such as the spiral case. Because the clamping force of the universal fixture is often overlarge and unevenly distributed, the thin-wall volute is easy to elastically deform and even permanently deform, the machining precision and the product quality are seriously affected, the root cause of the deformation problem is that the positioning reference of the traditional fixture is limited, the problem of over-positioning or under-positioning easily occurs, the workpiece is unstable in the machining process, in the actual machining application, the positions of a plurality of traditional fixtures are higher, and interference is easily generated between the traditional fixtures and a cutter of a triaxial machining center, so that the arrangement and optimization of the machining process are limited, and the machining surface quality is further deteriorated.
In view of the above factors, the limitations of the prior art severely restrict the processing efficiency and quality level of the cooling volute and other special-shaped parts, and development of more advanced and practical special processing tools is urgently needed to solve the technical problems.
Disclosure of utility model
The utility model aims to provide a processing tool for a cooling volute, which can accurately position, rapidly clamp and prevent deformation and solves the problems of inaccurate clamping and over-positioning of special-shaped thin-wall parts.
In order to achieve the above purpose, the utility model provides a processing tool for cooling a volute, which comprises,
A clamp body;
The adjusting backing ring is arranged on the clamp main body and is used for being matched with the installation positioning surface of the cooling volute;
The positioning block is arranged on the clamp main body and provided with a positioning groove matched with the outlet pipe of the cooling volute;
The clamping device comprises a driving unit, a connecting transmission unit and an opening gasket, wherein the driving unit is arranged on the clamp main body, the opening gasket is positioned in the cooling volute, and the driving unit drives the opening gasket to move downwards through the connecting transmission unit so as to compress the cooling volute.
Preferably, the fixture body comprises a first supporting plate, a second supporting plate and a plurality of supporting columns, wherein the first supporting plate is located above the second supporting plate, the supporting columns are connected between the first supporting plate and the second supporting plate, and a plurality of mounting holes used for being matched with a machine tool workbench are formed in the second supporting plate.
Preferably, the adjusting backing ring is arranged on the first supporting plate, a positioning hole is formed in the first supporting plate, the adjusting backing ring is embedded into the positioning hole, and a positioning datum surface matched with the cooling volute mounting flange surface is formed on the upper surface of the adjusting backing ring.
Preferably, two guide posts are arranged on the first support plate at intervals, the positioning block is sleeved between the two guide posts, each guide post is further connected with a limit nut in a threaded manner, and the lower surface of the limit nut is in contact with the upper surface of the positioning block.
Preferably, each guide post is further sleeved with a pagoda spring, and the pagoda spring is located between the positioning block and the first supporting plate and used for supporting the positioning block to realize up-down floating adjustment.
Preferably, the driving unit comprises a driving cylinder, a cylinder body of the driving cylinder is fixed on the second supporting plate, and an output shaft of the driving cylinder is connected with the connecting transmission unit.
Preferably, the connecting transmission unit comprises a ball joint universal joint and a ball joint connecting rod, the ball joint universal joint is fixed on an output shaft of the driving cylinder, the ball joint connecting rod penetrates through the ball joint universal joint and is fixedly connected with the ball joint universal joint through an opening clamp spring, and the opening gasket is located below the ball joint connecting rod.
Preferably, the split washer is in a disc-shaped structure, and the split washer is provided with a radially extending split groove and a plurality of through holes.
Compared with the prior art, the utility model has the advantages that in the working process, the adjusting backing ring is precisely matched with the mounting flange surface of the cooling volute to provide stable reference positioning for the workpiece, and the positioning groove on the positioning block is tightly matched with the outlet pipe of the cooling volute to jointly realize positioning constraint on the workpiece. On the basis, the driving unit transmits power to the split washer through the connecting transmission unit, so that the split washer applies pressing force downwards from the inside of the cooling volute, the internal clamping mode has obvious advantages compared with the traditional external clamping mode, and the problem of thin-wall deformation can be effectively avoided. The split washer ensures that the clamping force is evenly distributed on the inner surface of the volute, thereby ensuring the reliability of clamping and simultaneously protecting the geometric accuracy of the workpiece to the greatest extent. In addition, through changing the adjustment backing ring of different specifications, this frock has possessed good commonality, can adapt to the cooling spiral case processing demand of multiple size.
The whole device has compact structure, simple and convenient operation and controllable clamping force, provides a high-efficiency and reliable tool solution for processing complex thin-wall parts, and remarkably improves the processing efficiency and the processing quality of the special-shaped parts.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a cooling volute;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a front view of the present utility model;
FIG. 4 is a schematic perspective view of a clamp body according to the present utility model;
FIG. 5 is a schematic perspective view of a clamping device according to the present utility model;
In the figure, 1, a clamp main body, 2, an adjusting backing ring, 3, a positioning block, 4, a positioning groove, 5, a clamping device, 6, a connecting transmission unit, 7, an opening gasket, 8, a first supporting plate, 9, a second supporting plate, 10, a supporting column, 11, a mounting hole, 12, a positioning hole, 13, a guiding column, 14, a limiting nut, 15, a pagoda spring, 16, a driving cylinder, 17, a ball head universal joint, 18, a ball head connecting rod, 19, an opening clamp spring, 20, an opening groove, 21 and a through hole.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
An embodiment one, as shown in fig. 1-5, is a machining tool for cooling a volute, comprising,
A clamp body 1;
An adjusting backing ring 2 arranged on the clamp main body 1 and used for being matched with the installation positioning surface of the cooling volute;
the positioning block 3 is arranged on the clamp main body 1, and a positioning groove 4 for being matched with an outlet pipe of the cooling volute is formed in the positioning block 3;
The clamping device 5 comprises a driving unit, a connecting transmission unit 6 and an opening gasket 7, wherein the driving unit is arranged on the clamp main body 1, the opening gasket 7 is positioned in the cooling volute, and the driving unit drives the opening gasket 7 to move downwards through the connecting transmission unit 6 so as to compress the cooling volute.
Second embodiment as shown in fig. 1 to 5, unlike the first embodiment, the jig main body 1 includes a first support plate 8, a second support plate 9, and a plurality of support columns 10, the first support plate 8 being located above the second support plate 9, the plurality of support columns 10 being connected between the first support plate 8 and the second support plate 9, the second support plate 9 being provided with a plurality of mounting holes 11 for cooperation with a table of a machine tool.
Through the combined structure of the first supporting plate 8, the second supporting plate 9 and the supporting columns 10, a stable space frame structure is formed, the overall rigidity and the bearing capacity are guaranteed, and reasonable installation space layout is provided for all functional components. The first support plate 8 is used as an upper layer working platform and bears key positioning elements such as the adjusting backing ring 2, the positioning block 3 and the like to ensure the precision and stability of workpiece positioning, the second support plate 9 is used as a bottom layer support platform and is reliably connected with a machine tool working platform through a plurality of mounting holes 11, and cutting force and clamping force in the machining process are effectively transmitted to a machine tool body. The provision of the plurality of support columns 10 not only enhances the overall rigidity of the structure, but also forms an open operating space between the upper and lower support plates, facilitating the installation and maintenance of the driving components such as the driving cylinder 16. The layered framework design also has good expandability, and the distance and the functional configuration between layers can be flexibly adjusted according to the processing requirements of different workpieces.
The whole structure is compact and reasonable, the weight distribution is uniform, the vibration and deformation in the processing process are effectively reduced, a stable basic platform is provided for high-precision processing, and the service life and the processing precision of the tool are remarkably prolonged.
In this embodiment, the adjusting backing ring 2 is disposed on the first supporting plate 8, the first supporting plate 8 is provided with a positioning hole 12, the adjusting backing ring 2 is embedded into the positioning hole 12, and a positioning reference surface matched with the cooling volute mounting flange surface is formed on the upper surface of the adjusting backing ring 2.
By arranging the positioning holes 12 on the first supporting plate 8 and embedding the adjusting backing ring 2 therein, the accurate positioning and stable connection of the backing ring and the supporting plate are realized, and the displacement or loosening phenomenon of the backing ring in the processing process is effectively prevented. The upper surface of the adjusting backing ring 2 is used as a positioning reference surface matched with the mounting flange surface of the cooling volute, an accurate and reliable positioning reference is provided for a workpiece, the position accuracy and the repeated positioning accuracy of the workpiece in the machining process are ensured, the embedded structural design also has good interchangeability and universality, when the cooling volutes with different specifications are required to be machined, the new workpiece requirements can be quickly met by replacing the adjusting backing ring 2 with the corresponding size, the production preparation time is greatly shortened, and the tooling cost is reduced.
The design of the positioning holes 12 keeps the surface of the backing ring flush with the surface of the supporting plate, so that the interference of the protruding structure on the machining operation is avoided, and meanwhile, the compactness of the whole structure is enhanced.
In this embodiment, two guide posts 13 are disposed on the first support plate 8 at intervals, the positioning block 3 is sleeved between the two guide posts 13, each guide post 13 is further screwed with a limit nut 14, and the lower surface of the limit nut 14 contacts with the upper surface of the positioning block 3.
The two guide posts 13 are arranged on the first support plate 8 at intervals, so that stable and reliable linear motion guide is provided for the positioning block 3, deflection, swing or clamping stagnation of the positioning block 3 in the working process is effectively prevented, the accuracy and repeatability of positioning actions are ensured, the limit nut 14 screwed on each guide post 13 plays a key role in position control, the lower surface of the limit nut 14 is contacted with the upper surface of the positioning block 3, accurate limitation of the motion stroke of the positioning block 3 is realized, and mechanism damage possibly caused by over-stroke motion is prevented.
In this embodiment, each guide post 13 is further sleeved with a pagoda spring 15, where the pagoda spring 15 is located between the positioning block 3 and the first supporting plate 8 and is used to support the positioning block 3 to realize up-down floating adjustment.
Through the tower spring 15 is sleeved on each guide post 13, and the position of the tower spring 15 is arranged between the positioning block 3 and the first supporting plate 8, a supporting system with elastic buffering characteristics is formed, the positioning block 3 can realize an up-down floating adjusting function, the elastic supporting design effectively solves the over-constraint problem possibly brought by rigid positioning, and when manufacturing errors or uneven surfaces exist in a cooling volute, the positioning block 3 can automatically adapt to the actual geometric shape of a workpiece under the action of spring force, so that good fit between the positioning groove 4 and an outlet pipe is ensured.
The conical structural design of the pagoda spring 15 not only provides stable elastic force, but also has good guiding performance, and the accuracy of the movement track of the positioning block 3 in the floating process is guaranteed by matching with the guiding function of the guiding column 13, so that the floating adjustment mechanism can also effectively absorb and relieve vibration impact in the processing process, reduce the positioning error caused by vibration and the surface quality problem of a workpiece, ensure the positioning reliability and provide necessary flexible adjustment capability.
In this embodiment, the driving unit includes a driving cylinder 16, the cylinder body of the driving cylinder 16 is fixed on the second support plate 9, and the output shaft of the driving cylinder 16 is connected with the connection transmission unit 6.
By fixing the cylinder body of the driving cylinder 16 on the second supporting plate 9, the advantage of the layered frame structure of the clamp main body 1 is fully utilized, precious upper working space is saved, a stable and reliable installation foundation is provided for the cylinder, and the problems of vibration and deformation caused by insufficient support are effectively avoided.
In the third embodiment, as shown in fig. 1-5, unlike in the second embodiment, the connection transmission unit 6 comprises a ball joint universal joint 17 and a ball joint connecting rod 18, the ball joint universal joint 17 is fixed on the output shaft of the driving cylinder 16, the ball joint connecting rod 18 is arranged in the ball joint universal joint 17 in a penetrating way and is fixedly connected with the ball joint universal joint 17 through an opening clamp spring 19, and the opening gasket 7 is positioned below the ball joint connecting rod 18.
The design of the ball joint universal joint 17 fixed on the output shaft of the driving cylinder 16 realizes the effective conversion from the linear motion of the cylinder to the multidirectional motion, and provides the opening gasket 7 with multi-angle adjusting capability, so that the opening gasket can automatically adapt to the geometric shape and the installation error of the inner cavity of the cooling volute. The structural design of the ball joint connecting rod 18 penetrating through the ball joint universal joint 17 ensures the continuity and reliability of transmission, and meanwhile, the characteristic of ball joint connection allows the connecting rod to conduct angle adjustment in a certain range, so that the possible position deviation in the workpiece installation process is effectively compensated. The ball connecting rod 18 and the ball universal joint 17 are fixedly connected through the opening clamp spring 19, so that the connection firmness is guaranteed, the assembly and maintenance operation are convenient, and the practicability and operability of the structural design are reflected. The arrangement of the split washer 7 below the ball joint lever 18 enables the clamping force to be uniformly transferred to the surface of the workpiece through the flexible adjustment of the ball joint universal joint 17, and the problem of local stress concentration possibly caused by rigid connection is avoided.
The flexible transmission mechanism can also effectively absorb and relieve impact and vibration in the transmission process, protects the cooling volute from damage, and improves the stability and positioning accuracy of the clamping action.
In this embodiment, the split washer 7 has a disc-shaped structure, and the split washer 7 is provided with a radially extending open slot 20 and a plurality of through holes 21.
The disc-shaped integral structure provides a good rigid foundation and uniform force distribution characteristic for the split washer 7, ensures that the clamping force can be smoothly transmitted over a larger contact area, and effectively avoids the problem of stress concentration possibly caused by point contact or line contact. The radially extending open slot 20 not only facilitates the lateral loading of the open washer 7 into the cooling volute cavity, but also provides the washer with a certain elastic deformation capacity, so that the washer can better adapt to the geometric change of the workpiece cavity. The provision of a plurality of through holes 21 reduces the weight of the split washer 7.
The split washer 7 is made of high-quality engineering plastics or rubber materials, has good elasticity and wear resistance, can provide enough clamping force, can effectively protect the inner surface of the cooling volute from being scratched or damaged, and is particularly suitable for the precision clamping requirement of thin-wall parts.
The positioning groove 4 is of a V-shaped groove structure, and the symmetrical wedge-shaped structure of the positioning groove can form stable line contact positioning with a cylindrical outlet pipe of the cooling volute, so that the contact mode not only provides radial constraint, but also has excellent self-centering capability, and position errors possibly existing in the workpiece installation process are effectively compensated.
The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or directly or indirectly applied to other related technical fields are included in the scope of the present application.
Claims (8)
1. A processing tool for cooling a volute is characterized by comprising,
A clamp body;
The adjusting backing ring is arranged on the clamp main body and is used for being matched with the installation positioning surface of the cooling volute;
The positioning block is arranged on the clamp main body and provided with a positioning groove matched with the outlet pipe of the cooling volute;
The clamping device comprises a driving unit, a connecting transmission unit and an opening gasket, wherein the driving unit is arranged on the clamp main body, the opening gasket is positioned in the cooling volute, and the driving unit drives the opening gasket to move downwards through the connecting transmission unit so as to compress the cooling volute.
2. The machining tool for cooling the volute of the machine tool according to claim 1, wherein the clamp body comprises a first supporting plate, a second supporting plate and a plurality of supporting columns, the first supporting plate is located above the second supporting plate, the supporting columns are connected between the first supporting plate and the second supporting plate, and a plurality of mounting holes for being matched with a workbench of the machine tool are formed in the second supporting plate.
3. The machining tool for the cooling volute of claim 2, wherein the adjusting backing ring is arranged on the first supporting plate, a positioning hole is formed in the first supporting plate, the adjusting backing ring is embedded into the positioning hole, and a positioning reference surface matched with a cooling volute mounting flange surface is formed on the upper surface of the adjusting backing ring.
4. The machining tool for the cooling volute of claim 2, wherein two guide posts are arranged on the first supporting plate at intervals, the positioning block is sleeved between the two guide posts, each guide post is further connected with a limit nut in a threaded mode, and the lower surface of the limit nut is in contact with the upper surface of the positioning block.
5. The machining tool for the cooling volute of claim 4, wherein each guide post is further sleeved with a pagoda spring, and the pagoda springs are located between the positioning blocks and the first supporting plate and used for supporting the positioning blocks to realize up-and-down floating adjustment.
6. The machining tool for cooling the volute of claim 2, wherein the driving unit comprises a driving cylinder, a cylinder body of the driving cylinder is fixed on the second supporting plate, and an output shaft of the driving cylinder is connected with the connecting transmission unit.
7. The machining tool for the cooling volute of claim 6, wherein the connecting transmission unit comprises a ball joint universal joint and a ball joint connecting rod, the ball joint universal joint is fixed on an output shaft of the driving cylinder, the ball joint connecting rod is arranged in the ball joint universal joint in a penetrating mode and is fixedly connected with the ball joint universal joint through an opening clamp spring, and the opening gasket is located below the ball joint connecting rod.
8. The machining tool for the cooling volute of claim 1, wherein the split washer is of a disc-shaped structure, and the split washer is provided with a radially extending split groove and a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521266426.1U CN223160552U (en) | 2025-06-20 | 2025-06-20 | Machining tool for cooling spiral case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521266426.1U CN223160552U (en) | 2025-06-20 | 2025-06-20 | Machining tool for cooling spiral case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223160552U true CN223160552U (en) | 2025-07-29 |
Family
ID=96493938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202521266426.1U Active CN223160552U (en) | 2025-06-20 | 2025-06-20 | Machining tool for cooling spiral case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223160552U (en) |
-
2025
- 2025-06-20 CN CN202521266426.1U patent/CN223160552U/en active Active
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