A clamp for machining a volute
The clamping assembly design, which combines an electric push rod and a support wheel, solves the problem of inconvenient bolt fixing of the turbine volute, achieving stable clamping and precise positioning of the volute and improving processing efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI GUANGTAICHENG MASCH MFG CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-06-26
Smart Images

Figure CN224407376U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of turbine volute machining technology, and in particular to a fixture for machining turbine volutes. Background Technology
[0002] Currently, turbines are fans in car or airplane engines. Before processing, the turbine casing is clamped and fixed by a fixture to facilitate the processing operation of the casing by the workers.
[0003] Among them, a search revealed that Chinese patent CN109333105A discloses a volute processing fixture. In the application of the above-mentioned patent's technical solution, the bolts used to fix the volute make it inconvenient for operators to operate. Therefore, in order to better realize the function of clamping and fixing the volute, promote the technological progress of the industry, and improve the core technology competitiveness, this application proposes a new implementation scheme that is different from the fixture structure in the prior art. Utility Model Content
[0004] The purpose of this invention is to solve the problem that the existing bolt-fixed volute method is inconvenient to operate, and to propose a fixture for machining turbine volutes.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A jig for machining turbine volutes includes a main plate, a clamping assembly on the top of the main plate, a bearing seat fixed to the upper surface of the main plate by bolts, and a plurality of positioning pins fixedly connected to the upper surface of the bearing seat. A support plate is fixedly connected to the upper surface of the main plate, a fourth electric push rod is fixedly connected to the top of the support plate, and a sliding plate is fixedly connected to one side of the output end of the fourth electric push rod, and a support assembly is provided on one side of the sliding plate.
[0007] The clamping assembly includes a first electric push rod, a connecting plate is fixedly connected to the top of the output end of the first electric push rod, a vertical plate is fixedly connected to the upper surface of the connecting plate, a second electric push rod is fixedly connected to one side of the vertical plate, a connecting frame is fixedly connected to one side of the output end of the second electric push rod, and pressure blocks are fixed to both ends of the bottom of the connecting frame by bolts.
[0008] Furthermore, the bottom of the connecting frame is rotatably connected to multiple support wheels, and the support wheels roll on the upper surface of the connecting plate.
[0009] Furthermore, a movable rod is fixedly connected to one side of the connecting plate, and the movable rod is slidably connected to one side of the vertical plate.
[0010] Furthermore, the bottom of the connecting plate is fixedly connected to multiple vertical rods, and the vertical rods are slidably connected to the upper surface of the main body plate.
[0011] Furthermore, the support assembly includes a fixed frame, which is fixedly connected to one side of the sliding plate. A third electric push rod is fixedly connected to the multiple outer walls of the fixed frame, and a slider is fixedly connected to the output end of the third electric push rod.
[0012] Furthermore, a connecting post is fixedly connected to one side of the slider, and a rubber sleeve is fitted on the outer surface of the connecting post.
[0013] Furthermore, a sliding rod is fixedly connected to one side of the slider, and the sliding rod is slidably connected to the inner surface of the fixed frame.
[0014] Furthermore, a plurality of sliding columns are fixedly connected to one side of the sliding plate, and the sliding columns are slidably connected to one side of the support plate.
[0015] The beneficial effects of this utility model are as follows:
[0016] 1. Through the design of the clamping assembly, the first electric push rod and the second electric push rod cooperate to drive the pressure block to slide left and right and up and down respectively, so that the volute can be clamped between the pressure block and the bearing seat, which is convenient for operators to operate and use. The positioning rod on the bearing seat can be inserted into the mounting hole of the volute to limit the clamped volute and prevent the volute from shifting, thus ensuring the accuracy of the volute machining and use.
[0017] 2. The design of the combination of support wheels and movable rods on the connecting frame can guide and support the sliding of the connecting frame, ensuring the smooth sliding of the connecting frame. The design of the vertical rod on the connecting plate can guide and support the sliding of the connecting plate, thus ensuring the stability of the pressure block clamping the volute.
[0018] 3. Through the design of the support component, multiple connecting columns can be combined to support the volute that is clamped and fixed by the clamping component, thereby further ensuring the stability of the clamped volute during processing and ensuring the practicality of the fixture. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of a jig for machining turbine volutes proposed in this utility model;
[0020] Figure 2 This is a cross-sectional view of the clamping assembly of a jig for machining turbine volutes according to the present invention.
[0021] Figure 3 This is a partial bottom view of the clamping assembly of a jig for machining turbine volutes according to the present invention.
[0022] Figure 4 This is a schematic diagram of the main structure of the support assembly of a jig for machining a turbine volute according to the present invention.
[0023] Figure 5 This is a partial three-dimensional structural diagram of a jig for machining turbine volutes proposed in this utility model;
[0024] Figure 6 This is a schematic diagram of the volute clamping state structure of a jig for machining turbine volutes proposed in this utility model.
[0025] In the diagram: 1. Main body plate; 2. Bearing seat; 3. Positioning column; 4. Clamping assembly; 401. First electric push rod; 402. Connecting plate; 403. Vertical plate; 404. Second electric push rod; 405. Connecting frame; 406. Pressure block; 407. Support wheel; 408. Movable rod; 409. Vertical rod; 5. Support assembly; 501. Fixed frame; 502. Third electric push rod; 503. Slider; 504. Connecting column; 505. Rubber cylinder; 506. Slide rod; 6. Support plate; 7. Fourth electric push rod; 8. Sliding plate; 9. Sliding column. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0027] Reference Figures 1-6 A jig for machining turbine volutes includes a main plate 1, a bearing seat 2 fixed to the upper surface of the main plate 1 by bolts, and a plurality of positioning posts 3 welded to the upper surface of the bearing seat 2.
[0028] A clamping assembly 4 is provided above the main body plate 1. The clamping assembly 4 includes a first electric push rod 401. A connecting plate 402 is fixed to the top of the output end of the first electric push rod 401 by bolts. A vertical plate 403 is welded to the upper surface of the connecting plate 402. A second electric push rod 404 is fixed to one side of the vertical plate 403 by bolts. A connecting frame 405 is fixed to one side of the output end of the second electric push rod 404 by bolts. Pressure blocks 406 are fixed to both ends of the bottom of the connecting frame 405 by bolts.
[0029] Through the design of the clamping component 4, the first electric push rod 401 and the second electric push rod 404 cooperate to drive the pressure block 406 to slide up and down and left and right respectively, so that the volute can be clamped between the pressure block 406 and the bearing seat 2, which is convenient for operators to operate and use. The positioning rod on the bearing seat 2 can be inserted into the mounting hole of the volute to limit the clamped volute, prevent the volute from shifting, and ensure the accuracy of the volute processing and use.
[0030] The bottom of the connecting frame 405 is rotatably connected to multiple support wheels 407, and the support wheels 407 roll on the upper surface of the connecting plate 402. A movable rod 408 is welded to one side of the connecting plate 402, and the movable rod 408 is slidably connected to one side of the vertical plate 403. Through the combined design of the support wheels 407 and the movable rod 408 on the connecting frame 405, the sliding of the connecting frame 405 can be guided and supported, ensuring the smooth sliding of the connecting frame 405.
[0031] Multiple vertical rods 409 are welded to the bottom of the connecting plate 402, and the vertical rods 409 are slidably connected to the upper surface of the main body plate 1. Through the design of the vertical rods 409 on the connecting plate 402, the sliding of the connecting plate 402 can be guided and supported, thus ensuring the stability of the clamping block 406 in holding the volute.
[0032] A support plate 6 is fixed to the upper surface of the main plate 1 by bolts. A fourth electric push rod 7 is fixed to the top of the support plate 6 by bolts. A sliding plate 8 is fixed to one side of the output end of the fourth electric push rod 7 by bolts. A plurality of sliding columns 9 are welded to one side of the sliding plate 8. The sliding columns 9 are slidably connected to one side of the support plate 6. A support assembly 5 is provided on one side of the sliding plate 8.
[0033] The support assembly 5 includes a fixed frame 501, which is fixed to one side of the sliding plate 8 by bolts. The multiple outer walls of the fixed frame 501 are respectively fixed with third electric push rods 502 by bolts. The output ends of the third electric push rods 502 are respectively fixed with sliders 503 by bolts. A connecting column 504 is welded to one side of the sliders 503. The multiple third electric push rods 502 move independently and are controlled individually.
[0034] Through the design of the support component 5, the volute housing clamped and fixed by the clamping component 4 can be supported by multiple connecting columns 504, thereby further ensuring the stability of the clamped volute housing during processing and ensuring the practicality of the fixture.
[0035] A rubber sleeve 505 is fitted on the outer surface of the connecting column 504. The design of the rubber sleeve 505 ensures that the connecting column 504 fits the inner surface of the volute when supporting the volute. A sliding rod 506 is welded to one side of the slider 503, and the sliding rod 506 is slidably connected to the inner surface of the fixed frame 501.
[0036] The working principle of this embodiment is as follows: When in use, the operator first places the volute on the upper surface of the bearing seat 2, and the positioning pin 3 is inserted into the connecting hole of the volute, which can be locked with a nut.
[0037] Then, the operator slides the connecting frame 405 and the pressure block 406 on it toward the volute using the second electric push rod 404 until the pressure block 406 slides directly above the bearing seat 2. Then, the first electric push rod 401 drives the connecting plate 402 and its structure to slide downward until the bottom of the pressure block 406 contacts the volute. At this time, the volute is clamped between the pressure block 406 and the bearing seat 2.
[0038] Then, the operator uses the fourth electric push rod 7 to slide the sliding plate 8 towards the volute until the connecting post 504 in the support assembly 5 slides into the cavity of the volute. Subsequently, the operator gradually adjusts the multiple third electric push rods 502 to make the slider 503 and its connecting post 504 slide outward until the rubber sleeves 505 on the outer surface of the multiple connecting posts 504 are in contact with the inner surface of the volute. The connecting post 504 in the support assembly 5 supports the volute. In this way, the clamping and use of the fixture on the volute is completed. Finally, the operator can process the volute with the processing tools.
[0039] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A jig for machining a volute, comprising a main plate (1), characterized in that, A clamping assembly (4) is provided above the main body plate (1). A bearing seat (2) is fixed to the upper surface of the main body plate (1) by bolts. A plurality of positioning columns (3) are fixedly connected to the upper surface of the bearing seat (2). A support plate (6) is fixedly connected to the upper surface of the main body plate (1). A fourth electric push rod (7) is fixedly connected to the top of the support plate (6). A sliding plate (8) is fixedly connected to one side of the output end of the fourth electric push rod (7). A support assembly (5) is provided on one side of the sliding plate (8). The clamping assembly (4) includes a first electric push rod (401), a connecting plate (402) is fixedly connected to the top of the output end of the first electric push rod (401), a vertical plate (403) is fixedly connected to the upper surface of the connecting plate (402), a second electric push rod (404) is fixedly connected to one side of the vertical plate (403), a connecting frame (405) is fixedly connected to one side of the output end of the second electric push rod (404), and pressure blocks (406) are fixed to both ends of the bottom of the connecting frame (405) by bolts.
2. A fixture for machining a volute according to claim 1, characterized in that The bottom of the connecting frame (405) is rotatably connected to a plurality of support wheels (407), and the support wheels (407) roll on the upper surface of the connecting plate (402).
3. A fixture for machining a volute according to claim 2, wherein A movable rod (408) is fixedly connected to one side of the connecting plate (402), and the movable rod (408) is slidably connected to one side of the vertical plate (403).
4. A fixture for machining a volute according to claim 3, wherein The bottom of the connecting plate (402) is fixedly connected to a plurality of vertical rods (409), and the vertical rods (409) are slidably connected to the upper surface of the main body plate (1).
5. The jig for machining a volute of a turbine according to claim 1, wherein The support component (5) includes a fixed frame (501), which is fixedly connected to one side of the sliding plate (8). The outer walls of the fixed frame (501) are respectively fixedly connected to a third electric push rod (502), and the output end of the third electric push rod (502) is respectively fixedly connected to a slider (503).
6. A fixture for machining turbine volutes according to claim 5, characterized in that, A connecting post (504) is fixedly connected to one side of the slider (503), and a rubber sleeve (505) is fitted on the outer surface of the connecting post (504).
7. A fixture for machining turbine volutes according to claim 6, characterized in that, A sliding rod (506) is fixedly connected to one side of the slider (503), and the sliding rod (506) is slidably connected to the inner surface of the fixed frame (501).
8. A fixture for machining turbine volutes according to claim 1, characterized in that, A plurality of sliding columns (9) are fixedly connected to one side of the sliding plate (8), and the sliding columns (9) are slidably connected to one side of the support plate (6).