Clamping fixture for engine end cover machining
By designing an adjustable clamping fixture including fixtures, rotating components, power mechanisms and fixing components, the problem of lack of versatility and inability to achieve central positioning of the engine end cover processing fixture in the prior art is solved, and adapting to different sizes is achieved Effects of end cap and center positioning.
Patent Information
- Application Number
- CN202421320400.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing engine end cap processing fixtures lack versatility, cannot adapt to end caps of different sizes, and cannot achieve central positioning of the end caps, resulting in high input cost and large storage occupancy.
A clamping fixture including a fixing device, a rotating assembly, a power mechanism and a fixing assembly are designed. The servo motor drives the gears and internal gear rings, and drives the rotary rod and turntable to achieve the closing of the clamping plate and the central positioning of the end cover. The adjustable design of the fixture allows it to adapt to end caps of different sizes.
The fixture can reduce the investment cost, adapt to end caps of different sizes, and realize the center positioning of the end caps by closing the clamping plate, solving the problem of non-universal fixtures in the prior art.
Smart Images
Figure CN222493988U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of end cover processing, and in particular relates to a clamping fixture for processing an engine end cover. Background Art
[0002] The engine is the core component of various mechanical equipment. The transmission parts contained therein are all placed inside the engine hood. In order to protect these components so that they can work in a relatively clean environment, the shape of the engine hood is designed to be an irregular structure.
[0003] The existing engine end cover processing fixtures are not universal, resulting in high fixture investment costs. In addition, different fixtures need to be installed separately and occupy fixed storage space separately. They can only clamp and position a single model of circular end cover. At the same time, they cannot drive the circular end cover to be centrally positioned, resulting in the phenomenon of end cover axis deviation or warping. Utility Model Content
[0004] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a clamping fixture for processing an engine end cover.
[0005] To achieve the above-mentioned purpose, the utility model provides a clamping fixture for processing an engine end cover, comprising a fixing device, the fixing device comprising a mounting frame and a leg; the mounting frame is in the shape of a circular plate, the bottom edge of the mounting frame is vertically fixedly connected to the leg, three rotating components are arranged on the top of the mounting frame, the rotating components penetrate the top of the mounting frame, a power mechanism is arranged on the inner bottom wall of the mounting frame, the power mechanism is connected to the three rotating components, and a fixing component is arranged on the top of the rotating component;
[0006] The rotating assembly comprises a rotating rod, the middle part of which penetrates through the mounting frame and rotates with the mounting frame, the top end of the rotating rod is fixedly connected with a rotating disk, and the bottom end of the rotating rod is fixedly connected with a concave heart gear.
[0007] The power mechanism includes an inner gear ring and a servo motor. The inner gear ring is sleeved in the middle grooves of the three concave heart gears, and the inner gear ring is meshed with the three concave heart gears. The servo motor is fixedly connected to the bottom wall of the inner cavity of the mounting frame. The output shaft of the servo motor is fixedly connected with a gear, and the gear is meshed with the inner gear ring.
[0008] The fixing assembly includes a sleeve and an insertion rod. One end of the sleeve is fixedly connected to the top of the turntable, and the other end of the sleeve is slidably sleeved on the outer wall of the insertion rod. The end of the insertion rod away from the sleeve is fixedly connected to a hinge frame, and the end of the hinge frame away from the insertion rod is fixedly connected to a clamping plate. The clamping plate is hinged to the insertion rod through the hinge frame. A fixing screw is provided on the top of the sleeve, which passes through the sleeve and is threadedly connected to the sleeve, and the bottom of the fixing screw is tightly pressed against the outer wall of the insertion rod.
[0009] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:
[0010] The clamping fixture for processing the engine end cover of the utility model can be adapted to the end covers of different sizes through an adjustable design, thereby reducing the investment cost. At the same time, since the three clamping plates are simultaneously retracted toward the middle, the end cover can be pushed to move to the center position, thereby centering the end cover. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the power mechanism of the utility model when viewed from above;
[0013] Figure 3 This is a schematic diagram of the structure of the rotating assembly of the utility model, which is rotated 90 degrees clockwise.
[0014] In all the drawings, the same figure marks represent the same technical features, specifically: 1. Mounting frame; 2. Rotating assembly; 21. Rotating rod; 22. Turntable; 23. Concave heart gear; 3. Power mechanism; 31. Internal gear ring; 32. Servo motor; 33. Gear; 4. Fixed assembly; 41. Sleeve; 42. Insert rod; 43. Articulated frame; 44. Clamping plate; 45. Fixing screw; 5. Leg. DETAILED DESCRIPTION
[0015] Depend on Figure 1-3 As shown, a clamping fixture for processing an engine end cover includes a fixing device, which includes a mounting frame 1 and a leg 5; the mounting frame 1 is a circular plate, the bottom edge of the mounting frame 1 is vertically fixedly connected to the leg 5, three rotating components 2 are arranged on the top of the mounting frame 1, the rotating components 2 pass through the top of the mounting frame 1, a power mechanism 3 is arranged on the inner bottom wall of the mounting frame 1, the power mechanism 3 is connected to the three rotating components 2, and a fixing component 4 is arranged on the top of the rotating component 2;
[0016] The rotating assembly 2 includes a rotating rod 21 , the middle portion of which passes through the mounting frame 1 and rotates with the mounting frame 1 , a rotating disk 22 is fixedly connected to the top end of the rotating rod 21 , and a concave heart gear 23 is fixedly connected to the bottom end of the rotating rod 21 .
[0017] The power mechanism 3 includes an inner gear ring 31 and a servo motor 32. The inner gear ring 31 is sleeved in the middle grooves of the three concave heart gears 23. The inner gear ring 31 is meshed with the three concave heart gears 23. The servo motor 32 is fixedly connected to the bottom wall of the inner cavity of the mounting frame 1. The output shaft of the servo motor 32 is fixedly connected with a gear 33, and the gear 33 is meshed with the inner gear ring 31.
[0018] The fixing assembly 4 includes a sleeve 41 and an insertion rod 42, one end of the sleeve 41 is fixedly connected to the top of the turntable 22, and the other end of the sleeve 41 is slidably sleeved on the outer wall of the insertion rod 42, and the end of the insertion rod 42 away from the sleeve 41 is fixedly connected to a hinge frame 43, and the end of the hinge frame 43 away from the insertion rod 42 is fixedly connected to a clamping plate 44, and the clamping plate 44 is hinged to the insertion rod 42 through the hinge frame 43. A fixing screw 45 is provided at the top of the sleeve 41, and the fixing screw 45 passes through the sleeve 41 and is threadedly connected to the sleeve 41, and the bottom of the fixing screw 45 is tightly pressed against the outer wall of the insertion rod 42.
[0019] The clamping fixture for machining the engine end cover of the utility model can be used when it is needed. The external engine end cover can be placed on the top of the mounting frame 1 first, and then the servo motor 32 is turned on and drives the gear 33, the inner gear ring 31, the concave heart gear 23, the rotating rod 21 and the rotating disk 22 to rotate in sequence. During the rotation of the rotating disk 22, the clamping plate 44 moves closer to the engine end cover. When the three clamping plates 44 are in contact with the engine end cover, the engine end cover can be clamped and fixed. Before use, the insertion rod 42 can be located inside the sleeve 41. The position can be adjusted, so that the insertion rod 42 can be extended or contracted and the use position of the clamping plate 44 can be changed, so as to adapt to end covers of different sizes. After adjustment, the fixing screw 45 can be fixed to maintain the state between the insertion rod 42 and the sleeve 41. Through the adjustable design, the clamp can be adapted to end covers of different sizes, thereby reducing the investment cost. At the same time, since the three clamping plates 44 are simultaneously retracted toward the middle, the end cover can be pushed to the center position, thereby centering the end cover.
Claims
1. A clamping fixture for machining an engine end cover, comprising a fixing device, the fixing device comprising a mounting frame (1) and a support leg (5), characterized in that: The mounting frame (1) is in the shape of a circular plate. The bottom edge of the mounting frame (1) is vertically fixedly connected to the support leg (5). Three rotating components (2) are arranged on the top of the mounting frame (1). The rotating components (2) penetrate the top of the mounting frame (1). A power mechanism (3) is arranged on the inner bottom wall of the mounting frame (1). The power mechanism (3) is connected to the three rotating components (2). A fixed component (4) is arranged on the top of the rotating component (2). The rotating assembly (2) comprises a rotating rod (21), the middle portion of which passes through the mounting frame (1) and rotates with the mounting frame (1), the top end of the rotating rod (21) is fixedly connected to a rotating disk (22), and the bottom end of the rotating rod (21) is fixedly connected to a concave heart gear (23).
2. The clamping fixture for machining an engine end cover according to claim 1, characterized in that: The power mechanism (3) comprises an inner gear ring (31) and a servo motor (32); the inner gear ring (31) is sleeved in the middle grooves of the three concave heart gears (23); the inner gear ring (31) meshes with the three concave heart gears (23); the servo motor (32) is fixedly connected to the bottom wall of the inner cavity of the mounting frame (1); the output shaft of the servo motor (32) is fixedly connected with a gear (33); the gear (33) meshes with the inner gear ring (31).
3. The clamping fixture for machining an engine end cover according to claim 1, characterized in that: The fixing assembly (4) comprises a sleeve (41) and an insertion rod (42), one end of the sleeve (41) is fixedly connected to the top of the rotating disk (22), the other end of the sleeve (41) is slidably sleeved on the outer wall of the insertion rod (42), one end of the insertion rod (42) away from the sleeve (41) is fixedly connected to a hinge frame (43), one end of the hinge frame (43) away from the insertion rod (42) is fixedly connected to a clamping plate (44), the clamping plate (44) is hinged to the insertion rod (42) through the hinge frame (43), the top of the sleeve (41) is provided with a fixing screw (45), the fixing screw (45) passes through the sleeve (41) and is threadedly connected to the sleeve (41), and the bottom of the fixing screw (45) is tightly pressed against the outer wall of the insertion rod (42).