Quick clamping fixture for machining engine water chamber
By using a multi-point adjustment mechanism and sliding side plate design, the problem of traditional fixtures being unable to adapt to complex shapes is solved, achieving stable clamping and efficient machining of engine water chambers, and improving machining accuracy and efficiency.
Patent Information
- Application Number
- CN202423116306.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional engine water chamber machining fixtures are difficult to fit the complex-shaped workpiece surface perfectly, resulting in uneven clamping force and unstable positioning, which affects machining accuracy and efficiency.
Employing a multi-point adjustment mechanism and sliding side plate design, combined with lead screws, meshing, connecting rods, and adjustment mechanisms, it achieves stable clamping of workpieces of different heights and sizes, and realizes fast and precise positioning through motor drive and gear meshing.
Ensure full contact between the fixture and the workpiece to improve positional stability and production efficiency during machining, reduce the impact of vibration, and enhance machining accuracy and quality.
Smart Images

Figure CN223684897U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clamping fixture technical field, especially the quick clamping fixture for engine water chamber processing is used. BACKGROUND
[0002] The quick clamping fixture for engine water chamber processing is a tool for fixing and clamping engine water chamber, aiming at improving the efficiency and accuracy in the processing process, however, this traditional fixture has some problems.
[0003] Firstly, because the internal shape of the water chamber is complex, the traditional fixture is difficult to completely fit the workpiece surface, leading to uneven clamping force and unstable workpiece positioning, which not only limits the adaptability of the fixture to workpieces of different heights and sizes, but also may cause quality problems in the processing process. Secondly, the vibration generated in the processing process will be transmitted to the fixture system, causing the fixture to loosen or deform, further affecting the processing precision and the quality of the workpiece, which seriously affects the processing effect and production efficiency in actual application. SUMMARY
[0004] The utility model discloses a quick clamping fixture for engine water chamber processing is provided to solve the problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] The quick clamping fixture for engine water chamber processing includes a mounting plate, a plurality of support feet are fixedly connected to the bottom of the mounting plate, a meshing mechanism is connected to the mounting plate through a lead screw mechanism, a motor is fixedly connected to the bottom of the mounting plate, an output shaft is fixedly connected to the output end of the motor, the output shaft is connected with the meshing mechanism, two side plates are slidingly connected to the top of the mounting plate, the side plates are connected with the lead screw mechanism through a connecting rod mechanism, and the side plates are connected with an adjusting mechanism.
[0007] Preferably, the lead screw mechanism includes two symmetrical rotating rods, the two rotating rods penetrate the mounting plate, the mounting plate is provided with rotating ports matched with the rotating rods, the two rotating rods are rotatably connected with the rotating ports, the outer side wall of the rotating rod located at the top of the mounting plate is provided with external threads, the rotating rod is provided with a moving block, the moving block is internally provided with a threaded port, the threaded port is internally provided with internal threads matched with the external threads, and the moving block is threadedly connected with the rotating rod.
[0008] Preferably, the meshing mechanism includes a first gear, two second gears are fixedly connected to the outer side wall of the rotating rod located at the bottom of the mounting plate, the outer side wall of the output shaft is fixedly connected with the first gear, and the two second gears are engaged with the first gear.
[0009] Preferably, the connecting rod mechanism comprises an adjusting rod, a first connecting column is fixedly connected to the outer side wall of the moving block, a second mounting block is fixedly connected to the outer side wall of the side plate, a second connecting column is arranged on the second mounting block, rotating openings adapted to the first connecting column and the second connecting column are arranged at the two ends of the adjusting rod, and the inner side wall of the rotating opening is rotationally connected to the outer side wall of the first connecting column and the second connecting column.
[0010] Preferably, the adjusting mechanism comprises a positioning column, a connecting plate is fixedly sleeved to the outer side wall of the positioning column, a push plate is fixedly connected to the end of the connecting plate, a rotating hole is arranged on the side plate, the inner side wall of the rotating hole is rotationally connected to the outer side wall of the positioning column, and a limiting mechanism is arranged between the positioning column and the side plate.
[0011] Preferably, the limiting mechanism comprises a limiting hole arranged on the side plate, a rotating disc is fixedly connected to the top of the positioning column, a plurality of round holes are arranged on the rotating disc, and the limiting hole and the round hole are connected by a bolt.
[0012] Preferably, the side plate is arranged in a concave shape.
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] 1. The utility model discloses a multi-point adjusting mechanism and a sliding side plate, which can realize stable and uniform clamping effect on workpieces of various heights and sizes, can ensure the overall contact between the clamp and the workpiece whether it is a plane or a curved surface, and solve the problem that the traditional clamp cannot completely adapt to complex appearances.
[0015] 2. The utility model discloses a multi-component cooperative matching, which can quickly and accurately complete the clamping of the engine water chamber, ensure the stability and reliability of the workpiece position during the machining process, and make the clamping operation more efficient through the accurate matching and transmission of each mechanism during the whole process, thereby significantly improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model discloses a three-dimensional drawing of the quick clamping fixture for engine water chamber machining;
[0017] Figure 2 The utility model discloses a front structure schematic view of the quick clamping fixture for engine water chamber machining;
[0018] Figure 3 The utility model discloses an adjusting mechanism structure schematic view of the quick clamping fixture for engine water chamber machining;
[0019] Figure 4 The utility model discloses a side plate, rotating hole and limiting hole structure schematic view of the quick clamping fixture for engine water chamber machining.
[0020] Figure 5 The utility model discloses a quick clamping fixture disc and round hole structure schematic view for engine water chamber processing.
[0021] In the figure: 1, mounting plate; 2, support foot; 3, motor; 4, output shaft; 5, first gear; 6, second gear; 7, rotating rod; 8, moving block; 9, side plate; 10, adjusting rod; 11, push plate; 12, positioning column; 13, connecting plate; 14, rotating hole; 15, limiting hole; 16, disc; 17, round hole; 18, bolt. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0024] Reference Figure 1 - Figure 5 , the utility model discloses a quick clamping fixture for engine water chamber processing, including mounting plate 1, and mounting plate 1 is the basic component of whole fixture, is used for supporting and installing all other components, it is made of high-strength material, ensures enough rigidity and durability, and a plurality of support feet 2 are fixedly connected to the bottom of mounting plate 1, play the role of supporting whole fixture and keeping stability, and mounting plate 1 is connected with meshing mechanism through screw rod mechanism, and motor 3 is fixedly connected to the bottom of mounting plate 1, and the output end of motor 3 is fixedly connected with output shaft 4, and output shaft 4 is connected with meshing mechanism, and two side plates 9 are slidably connected to the top of mounting plate 1, and the two side plates 9 can slide freely on the top surface of mounting plate 1 to adapt to workpieces of different sizes and shapes, and the side plate 9 is arranged in concave letter shape, and the concave structure of side plate 9 can better adapt to engine water chambers of different shapes and sizes, provide firm support and positioning, by this mode, the fixture can ensure the fixed position of engine water chamber in various machining processes, reduce vibration and deviation in the machining process, improve machining accuracy, and the side plate 9 is connected with screw rod mechanism through connecting rod mechanism, and the side plate 9 is connected with screw rod mechanism through connecting rod mechanism, which makes the movement of screw rod mechanism can directly control the position and angle of side plate 9, and the side plate 9 is connected with adjusting mechanism.
[0025] The screw rod mechanism comprises two symmetrical rotating rods 7, the two rotating rods 7 are installed through the mounting plate 1, the mounting plate 1 is provided with rotating ports matched with the rotating rods 7, the two rotating rods 7 are rotationally connected with the rotating ports, the rotating rods 7 can rotate freely in the mounting plate 1, the outer side wall of the rotating rod 7 located at the top of the mounting plate 1 is provided with external threads, the rotating rod 7 is provided with a moving block 8, the moving block 8 is internally provided with a threaded port, the threaded port is internally provided with internal threads matched with the external threads, and the moving block 8 is threadedly connected with the rotating rod 7; the rotating movement of the rotating rod 7 can be converted into the linear movement of the moving block 8, so that the workpiece can be quickly clamped or released, and the structure is simple, reliable, convenient and fast to operate.
[0026] The meshing mechanism comprises a first gear 5, the outer side walls of the two rotating rods 7 located at the bottom of the mounting plate 1 are fixedly connected with second gears 6, the outer side wall of the output shaft 4 is fixedly connected with the first gear 5, and the two second gears 6 are meshed with the first gear 5; the design and size of the second gears 6 are matched with the first gear 5, so that the meshing can be smoothly realized; when the output shaft 4 rotates, the first gear 5 drives the two second gears 6 to synchronously rotate, and then drives the rotating rod 7 to move, so that the engine water chamber can be clamped or loosened.
[0027] The connecting rod mechanism comprises an adjusting rod 10, the outer side wall of the moving block 8 is fixedly connected with a first connecting column, the outer side wall of the side plate 9 is fixedly connected with a second mounting block, the second mounting block is provided with a second connecting column, the two ends of the adjusting rod 10 are respectively provided with rotating ports matched with the first connecting column and the second connecting column, and the inner side walls of the rotating ports are rotationally connected with the outer side walls of the first connecting column and the second connecting column, so that the adjusting rod 10 can freely rotate around the connecting points during use.
[0028] The adjusting mechanism comprises a positioning column 12, the outer side wall of the positioning column 12 is fixedly sleeved with a connecting plate 13, the end of the connecting plate 13 is fixedly connected with a push plate 11, the side plate 9 is provided with a rotating hole 14, the inner side wall of the rotating hole 14 is rotationally connected with the outer side wall of the positioning column 12, and a limiting mechanism is arranged between the positioning column 12 and the side plate 9.
[0029] The limiting mechanism comprises a limiting hole 15 arranged on the side plate 9, the top of the positioning column 12 is fixedly connected with a rotating disc 16, the rotating disc 16 is provided with a plurality of round holes 17, and the single round hole 17 is connected with the limiting hole 15 through a bolt 18, so that the precise positioning and limiting of the clamp can be realized; the position of the limiting hole 15 can be flexibly adjusted according to actual machining requirements, so as to adapt to engine water chambers of different specifications; the diameter of the limiting hole 15 is slightly larger than the diameter of the bolt, so that the bolt can be quickly inserted and fixed, and sufficient stability can be provided at the same time.
[0030] The specific working principle of the utility model is as follows:
[0031] In actual operation process, when the device is used, the operator places the engine water chamber on the mounting plate 1, at this time, the plurality of supporting feet 2 at the bottom of the mounting plate 1 can ensure the stability and levelness of the equipment, next, the fixed motor 3 at the bottom is started, the output end of the motor 3 drives the first gear 5 to rotate through the output shaft 4, in turn drives the two second gears 6 to rotate, the two second gears 6 rotate in turn and drive the rotating rod 7 to rotate, since the rotating rod 7 is threadedly connected with the moving block 8, the moving block 8 moves up and down along the rotating rod 7, the two side plates 9 are slid along the top of the mounting plate 1 through the adjusting rod 10, and are close to the two sides of the water chamber, so that the preliminary positioning and clamping of the workpiece are realized, in order to further adjust the position of the side plate 9 to adapt to engine water chambers of different sizes, the positioning column 12 is rotated, so as to drive the push plate 11 to rotate, which is convenient for adapting to engine water chambers of different shapes, when the two push plates 11 are adjusted to the most appropriate position, the bolt 18 is inserted into the limiting hole 15 and the corresponding circular hole 17, through the cooperation of the plurality of components, the clamping of the engine water chamber can be quickly and accurately completed, and the stability and reliability of the position of the workpiece in the machining process are ensured.
[0032] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A quick clamping fixture for engine water chamber machining, comprising a mounting plate (1), characterized in that, The bottom of mounting plate (1) is fixedly connected with a plurality of supporting legs (2), the mounting plate (1) is connected with a meshing mechanism through a lead screw mechanism, the bottom of mounting plate (1) is fixedly connected with a motor (3), the output end of motor (3) is fixedly connected with an output shaft (4), the output shaft (4) is connected with the meshing mechanism, the top of mounting plate (1) is slidably connected with two side plates (9), the side plates (9) are connected with the lead screw mechanism through a connecting rod mechanism, and the side plates (9) are connected with an adjusting mechanism.
2. The quick clamping fixture for engine water jacket machining according to claim 1, characterized in that, The lead screw mechanism comprises two symmetrically arranged rotating rods (7), the two rotating rods (7) penetrate through the mounting plate (1), the mounting plate (1) is provided with rotating openings matched with the rotating rods (7), the two rotating rods (7) are rotatably connected with the rotating openings, the outer side wall of the rotating rod (7) located at the top of the mounting plate (1) is provided with external threads, the rotating rod (7) is provided with a moving block (8), the moving block (8) is internally provided with a threaded opening, the threaded opening is internally provided with internal threads matched with the external threads, and the moving block (8) is threadedly connected with the rotating rod (7).
3. The quick clamping fixture for engine water jacket machining according to claim 2, characterized in that, The meshing mechanism comprises a first gear (5), the outer side wall of the two rotating rods (7) located at the bottom of the mounting plate (1) is fixedly connected with a second gear (6), the outer side wall of the output shaft (4) is fixedly connected with the first gear (5), and the two second gears (6) are engaged with the first gear (5).
4. The quick clamping fixture for engine water jacket machining according to claim 2, characterized in that, The connecting rod mechanism comprises an adjusting rod (10), the outer side wall of the moving block (8) is fixedly connected with a first connecting column, the outer side wall of the side plate (9) is fixedly connected with a second mounting block, the second mounting block is provided with a second connecting column, the two ends of the adjusting rod (10) are respectively provided with rotating openings matched with the first connecting column and the second connecting column, and the inner side wall of the rotating opening is rotatably connected with the outer side wall of the first connecting column and the second connecting column.
5. The quick clamping fixture for engine water jacket machining according to claim 1, characterized in that, The adjusting mechanism comprises a positioning column (12), the outer side wall of the positioning column (12) is fixedly sleeved with a connecting plate (13), the end of the connecting plate (13) is fixedly connected with a push plate (11), the side plate (9) is provided with a rotating hole (14), the inner side wall of the rotating hole (14) is rotatably connected with the outer side wall of the positioning column (12), and a limiting mechanism is arranged between the positioning column (12) and the side plate (9).
6. The quick clamping fixture for engine water jacket machining according to claim 5, characterized in that, The limiting mechanism comprises a limiting hole (15) arranged on the side plate (9), the top of the positioning column (12) is fixedly connected with a rotating disc (16), the rotating disc (16) is provided with a plurality of round holes (17), and the round holes (17) are connected with the limiting holes (15) through bolts (18).
7. The quick clamping fixture for engine water jacket machining according to claim 1, characterized in that, The side plate (9) is arranged in a concave shape.