Swing clamp for machining engine cylinder cover
By designing a swing fixture for engine cylinder head machining, the problem of existing fixtures requiring a robotic arm to turn the direction was solved, achieving stable clamping and efficient machining, and reducing the scrap rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-10
AI Technical Summary
Existing engine cylinder head fixtures require a robotic arm to rotate them during processing due to the presence of a placement table, resulting in low processing efficiency and a high scrap rate.
A swing fixture for machining engine cylinder heads was designed. Through the cooperation of a slider, a connecting rod mechanism and a cylinder moving mechanism, the engine cylinder head can be stably clamped and its angle adjusted, thus avoiding the need for a placement table.
It improves the processing stability and efficiency of engine cylinder heads, reduces the scrap rate, and enables convenient processing of different surfaces.
Smart Images

Figure CN224102400U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to engine cylinder cover processing tool technical field, concretely relates to a swing clamp for engine cylinder cover processing. BACKGROUND
[0002] The engine cylinder cover is one of the core components of the internal combustion engine, is located above the cylinder block, and mainly functions to seal the combustion chamber, install the valve mechanism, and form the intake and exhaust passages. The inside is usually integrated with cooling water channels and oil channels to ensure heat dissipation and lubrication. The material is mostly aluminum alloy or cast iron, which directly affects the combustion efficiency, power output, and durability of the engine.
[0003] In the current engine cylinder cover processing and manufacturing process, when processing the features of the intake surface and the exhaust surface of the engine cylinder cover and other hole features on the engine cylinder cover, a clamp is needed to fix the cylinder cover to be processed on the machine tool workbench. The existing clamp is mostly provided with a placement table, the engine cylinder cover is placed on the placement table, the engine cylinder cover is clamped by the clamps at both ends of the placement table, and then processing is performed. In the processing process, the angle of the engine cylinder cover needs to be adjusted by the clamp to realize the processing of different surfaces. However, because of the existence of the placement table, the bottom surface of the engine cylinder cover is not convenient to process, and the direction of the engine cylinder cover needs to be adjusted by a mechanical hand, which is low in processing efficiency. If the placement table is simply removed, the clamp cannot stably clamp the engine cylinder cover, which causes the drilling of the processing equipment to deviate, and increases the waste rate.
[0004] In view of the above, a swing clamp for engine cylinder cover processing is provided to solve the above problems UTILITY MODEL CONTENTS
[0005] The utility model provides a swing clamp for engine cylinder cover processing to solve the above technical problems, which overcomes the problem that the existing engine cylinder cover clamp needs to adjust the direction of the engine cylinder cover by a mechanical hand because of the existence of the placement table during processing, reduces the waste rate, and improves the production efficiency.
[0006] The utility model discloses a swing clamp for engine cylinder cover processing, including the bottom plate, and the bottom plate upper surface is provided with two parallel rails, and the parallel rail is provided with two groups of clamp mechanisms, and the clamp mechanism includes two sliders corresponding arranged on the rail, and the inner side one end of the slider is equipped with the bulge that protrudes inwards, and the bulge of two sliders is not on the same side, and the bulge of two sliders is connected with the connecting rod mechanism respectively, and the bottom plate is provided with the through -hole, and the slider below near the side edge of the bottom plate is provided with the cylinder moving mechanism, and the cylinder moving mechanism passes through the through -hole of the bottom plate lower surface and is connected with the slider near the side edge of the bottom plate, and the cylinder moving mechanism and the connecting rod mechanism cooperate and make two sliders close or far away, and the slider is provided with the pedestal, and the pedestal top is provided with the swing cylinder, and the swing cylinder is connected with the fixed block, and the fixed block is connected with the processing hole of the two sides of engine cylinder cover, and the fixed block is provided with the bearing plate, and the bearing plate bottom two sides are equipped with the bulge that extends inwards, and the bulge of bearing plate bottom is connected with the two sides of engine cylinder cover bottom respectively, and the swing cylinder is swung through the fixed block, and then drives the bearing plate and engine cylinder cover swing.
[0007] The slider is slider one and slider two respectively, the connecting rod mechanism includes connecting block one and connecting block two respectively arranged on the bulge of slider one and slider two, connecting block one is rotatably connected with connecting rod one, one end of connecting rod one is rotatably connected with connecting block one, the other end is rotatably connected with the left end of rotating block, connecting block two is rotatably connected with connecting rod two, one end of connecting rod two is rotatably connected with connecting block two, the other end is rotatably connected with the right end of rotating block, the rotating block is rotatably connected with the support shaft fixedly arranged on the upper surface of the bottom plate through the bearing, the connecting rod mechanism is provided with the shroud, and the shroud left and right ends are connected with the left and right ends of the bottom plate.
[0008] The inner side of connecting block one and connecting block two and the left and right ends of rotating block are all provided with horizontal opening slots, vertical bolt holes are arranged above and below the opening slots, the two ends of connecting rod one and connecting rod two are provided with circular holes, the diameter of the circular hole is greater than the diameter of the bolt hole, the bolt passes through the vertical bolt hole and the circular hole of the two ends of connecting rod one and connecting rod two, so that connecting rod one is rotatably connected with connecting block one and the left end of rotating block, and connecting rod two is rotatably connected with connecting block two and the right end of rotating block.
[0009] Square through -holes are arranged on the two sides of the bottom plate support shaft, the cylinder moving mechanism includes the cylinder arranged below slider two, the cylinder is fixedly arranged on the lower surface of the bottom plate through the bolt, the bottom of slider two is provided with an L-shaped pull block, one end of the pull block is connected with the bottom of slider two, and the other end extends downwards and passes through the square through -hole on the bottom plate and is connected with the piston rod of the cylinder.
[0010] The cylinder moving mechanism comprises two groups of displacement sensing assemblies arranged below the bottom plate, which are arranged at one side of the cylinder piston rod and below the slider respectively, the displacement sensing assembly comprises a fixed support, the fixed support is L-shaped, the upper end is fixedly connected with the lower surface of the bottom plate, the lower end is provided with a mounting groove, two stroke sensors are fixedly arranged in the mounting groove, a detection rod is arranged below the slider, the detection rod is arranged correspondingly with the stroke sensor arranged below the slider, and the pull block is arranged correspondingly with the stroke sensor arranged at one side of the cylinder piston rod.
[0011] Base one and base two are arranged above the slider one and the slider two respectively, the lower half parts of the base one and the base two are square, the upper half parts are triangular, a bearing plate one is sleeved on the fixed block of the base one, and a bearing plate two is sleeved on the fixed block of the base two, and the width of the bearing plate one is greater than that of the bearing plate two.
[0012] The cylinder moving mechanism comprises two groups of displacement sensing assemblies arranged below the bottom plate, which are arranged at one side of the cylinder piston rod and below the slider respectively, the displacement sensing assembly comprises a fixed support, the fixed support is L-shaped, the upper end is fixedly connected with the lower surface of the bottom plate, the lower end is provided with a mounting groove, two stroke sensors are fixedly arranged in the mounting groove, a detection rod is arranged below the slider, the detection rod is arranged correspondingly with the stroke sensor arranged below the slider, and the pull block is arranged correspondingly with the stroke sensor arranged at one side of the cylinder piston rod.
[0013] The cylinder moving mechanism comprises two groups of displacement sensing assemblies arranged below the bottom plate, which are arranged at one side of the cylinder piston rod and below the slider respectively, the displacement sensing assembly comprises a fixed support, the fixed support is L-shaped, the upper end is fixedly connected with the lower surface of the bottom plate, the lower end is provided with a mounting groove, two stroke sensors are fixedly arranged in the mounting groove, a detection rod is arranged below the slider, the detection rod is arranged correspondingly with the stroke sensor arranged below the slider, and the pull block is arranged correspondingly with the stroke sensor arranged at one side of the cylinder piston rod. ACCURACY
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a three-dimensional structure schematic view of the utility model;
[0016] Figure 3 It is an engine cylinder cover structure schematic view of the utility model;
[0017] Figure 4 It is a use state structure schematic view of the utility model.
[0018] Marked in the drawing: 1, bottom plate; 2, guide rail; 3, clamp mechanism, 31, slider, 311, slider one, 312, slider two; 32, connecting rod mechanism, 321, connecting block one, 322, connecting block two, 323, connecting rod one, 324, connecting rod two, 325, rotating block, 326, support shaft; 33, cylinder moving mechanism, 331, cylinder, 332, pull block, 333, displacement sensing assembly, 3331, fixed support, 3332, stroke sensor, 3333, detection rod; 34, base, 341, base one, 342, base two; 35, swing cylinder; 36, fixed block; 37, bearing plate, 371, bearing plate one, 372, bearing plate two; 4, engine cylinder cover, 41, machining hole. Specific implementation
[0019] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings.
[0020] As shown in the figure, a kind of swing clamp for engine cylinder head machining, including bottom plate 1, the upper surface of bottom plate 1 is provided with two parallel guide rails 2, two groups of clamp mechanisms 3 are provided on guide rail 2, clamp mechanism 3 includes the two sliders 31 correspondingly arranged on guide rail 2, slider 31 is slider one 311 and slider two 312 respectively, the inner side of slider 31 one end is provided with the protrusion protruding inward, the protrusions of the two sliders 31 are not on the same side, the protrusions of the two sliders 31 are connected with connecting rod mechanism 32 respectively, connecting rod mechanism 32 includes the connecting block one 321 and connecting block two 322 respectively arranged on the protrusions of slider one 311 and slider two 312, connecting block one 321 can be rotatably connected with connecting rod one 323, one end of connecting rod one 323 can be rotatably connected with connecting block one 321, the other end can be rotatably connected with the left end of rotating block 325, connecting block two 322 can be rotatably connected with connecting rod two 324, one end of connecting rod two 324 can be rotatably connected with connecting block two 322, the other end can be rotatably connected with the right end of rotating block 325, rotating block 325 is rotatably connected with support shaft 326 fixedly arranged on the upper surface of bottom plate 1 through bearing in the middle, a shroud is provided on connecting rod mechanism 32, and the left and right ends of the shroud are connected with the left and right ends of bottom plate 1;The left and right ends of rotating block 325 and the inner sides of connecting block one 321 and connecting block two 322 are all provided with horizontal open slots, vertical bolt holes are provided above and below the open slots, the two ends of connecting rod one 323 and connecting rod two 324 are both provided with circular holes, the diameter of the circular holes is greater than the diameter of the bolt holes, and the bolt passes through the vertical bolt holes and the circular holes in the two ends of connecting rod one 323 and connecting rod two 324, so that connecting rod one 323 is rotatably connected with connecting block one 321 and the left end of rotating block 325, and connecting rod two is rotatably connected with connecting block two 322 and the right end of rotating block 325;Square through holes are formed on both sides of support shaft 326 of bottom plate 1, cylinder 331 moving mechanism 33 is arranged below slider 31 close to the side edge of bottom plate 1, cylinder 331 moving mechanism 33 includes cylinder 331 arranged below slider two 312, cylinder 331 is fixedly arranged on the lower surface of bottom plate 1 through bolt, L-shaped pull block 332 is arranged at the bottom of slider two 312, one end of pull block 332 is connected with the bottom of slider two 312, and the other end extends downward through the square through hole in bottom plate 1 and is connected with the piston rod of cylinder 331;Two groups of displacement sensing components 333 are arranged below bottom plate 1, and are arranged on one side of the piston rod of cylinder 331 and below slider one 311 respectively, displacement sensing component 333 includes fixed support 3331, which is L-shaped, and is fixedly connected with the lower surface of bottom plate 1 at the upper end, and the lower end is provided with mounting groove, two travel sensors 3332 are fixedly arranged in the mounting groove, detection rod 3333 is arranged below slider one 311, detection rod 3333 is correspondingly arranged with travel sensor 3332 arranged below slider one 311, and pull block 332 corresponds with travel sensor 3332 arranged on one side of the piston rod of cylinder 331.The base one 341 and the base two 342 are respectively provided above the slider one 311 and the slider two 312, the lower half of the base one 341 and the base two 342 is square, the upper half is triangular, the fixed block 36 of the base one 341 is sleeved with the bearing plate one 371, the fixed block 36 of the base two 342 is sleeved with the bearing plate two 372, the width of the bearing plate one 371 is greater than the width of the bearing plate two 372; the top of the base one 341 and the base two 342 is provided with the swing cylinder 35, the swing cylinder 35 is connected with the fixed block 36, the fixed block 36 is connected with the machining hole 41 on both sides of the engine cylinder cover 4, the fixed block 36 is respectively sleeved with the bearing plate one 371 and the bearing plate two 372, the bottom of the bearing plate one 371 and the bearing plate two 372 is respectively provided with the convex block extending inward, the convex block of the bottom of the bearing plate one 371 and the bearing plate two 372 is respectively connected with the bottom of both sides of the engine cylinder cover 4, the swing cylinder 35 drives the fixed block 36 to swing, and then drives the bearing plate one 371, the bearing plate two 372 and the engine cylinder cover 4 to swing.
[0021] The engine cylinder cover machining swing clamp is used in the following manner: the robot clamps the engine cylinder cover 4 to a specific position, the cylinder 331 drives the slider two 312 to move inward through the pull block 332, the slider two 312 drives the connecting rod two 324 to move inward, the connecting rod two 324 drives the rotating block 325 to rotate, the rotating block 325 drives the connecting rod one 323 to move inward, the connecting rod one 323 drives the slider one 311 to move inward, the slider one 311 and the slider two 312 drive the base 34 to move inward, the fixed block 36 is connected with the machining hole 41, the bottom of both sides of the engine cylinder cover 4 is placed on the top surface of the convex block at the bottom of the bearing plate one 371 and the bearing plate two 372, the travel sensor 3332 senses that the pull block 332 and the detection rod 3333 move to a specific position, transmits a signal to the control system, and the cylinder 331 stops moving, the clamp mechanism 3 clamps the engine cylinder cover 4, the robot releases the engine cylinder cover 4 and moves away, and the machining equipment starts to machine the engine cylinder cover 4, during the machining process, the swing cylinder 35 drives the engine cylinder cover 4 to adjust the machining angle, when the engine cylinder cover 4 is machined, the robot clamps the engine cylinder cover 4, the cylinder 331 drives the base one 341 and the base two 342 to move outward to a specified position, the travel sensor 3332 sends a signal to the control system, and the cylinder 331 stops moving, and the robot clamps the machined engine cylinder cover 4 away; the clamp mechanism 3 can machine two engine cylinder covers 4 at the same time, the clamp mechanism 3 overcomes the problem that the existing engine cylinder cover clamp needs to be combined with the robot to adjust the direction of the engine cylinder cover 4 because of the existence of the placement table, the cooperation of the fixed block 36 and the bearing plate 37 makes the clamp have better stability when clamping the engine cylinder cover 4, different surfaces of the engine cylinder cover 4 can be machined, the waste rate is reduced, and the production efficiency is improved.
Claims
1. A swing jig for engine head machining, comprising a base plate, two parallel guide rails are arranged on the upper surface of the base plate, characterized in that: Two groups of clamp mechanisms are arranged side by side on the guide rail, the clamp mechanism comprises two sliders arranged correspondingly on the guide rail, the inner side of the slider is provided with a protrusion protruding inward, the protrusions of the two sliders are not on the same side, the protrusions of the two sliders are connected with the connecting rod mechanism, a through hole is formed in the bottom plate, a cylinder moving mechanism is arranged below the slider near the side edge of the bottom plate, the cylinder moving mechanism passes through the through hole formed in the lower surface of the bottom plate and is connected with the slider near the side edge of the bottom plate, the cylinder moving mechanism and the connecting rod mechanism cooperate to make the two sliders close to or away from each other; the slider is provided with a base, the top of the base is provided with a swing cylinder, the swing cylinder is connected with a fixed block, the fixed block is connected with the machining hole on the two sides of the engine cylinder cover, a bearing plate is sleeved on the fixed block, the bottom of the bearing plate is provided with protrusions extending inward on both sides, the protrusions on the bottom of the bearing plate are connected with the bottom of the engine cylinder cover on both sides respectively, the swing cylinder swings the fixed block, and then drives the bearing plate and the engine cylinder cover to swing.
2. The swing jig for engine head machining according to claim 1, characterized by: The slider is slider one and slider two, the connecting rod mechanism comprises connecting block one and connecting block two arranged on the protrusions of slider one and slider two respectively, connecting block one is rotatably connected with connecting rod one, one end of connecting rod one is rotatably connected with connecting block one, the other end is rotatably connected with the left end of rotating block, connecting block two is rotatably connected with connecting rod two, one end of connecting rod two is rotatably connected with connecting block two, the other end is rotatably connected with the right end of rotating block, the rotating block is rotatably connected with the support shaft fixedly arranged on the upper surface of the bottom plate through a bearing, a protective cover is sleeved on the connecting rod mechanism, and the protective cover is connected with the left and right ends of the bottom plate.
3. The swing jig for engine head machining according to claim 2, characterized by: The inner sides of connecting block one and connecting block two and the left and right ends of the rotating block are all provided with horizontal open grooves, vertical bolt holes are arranged above and below the open grooves, the two ends of connecting rod one and connecting rod two are both provided with circular holes, the diameter of the circular holes is greater than that of the bolt holes, and the bolt passes through the vertical bolt holes and the circular holes at the two ends of connecting rod one and connecting rod two, so that connecting rod one is rotatably connected with connecting block one and the left end of the rotating block, and connecting rod two is rotatably connected with connecting block two and the right end of the rotating block.
4. The swing jig for engine head machining according to claim 3, characterized by: Square through holes are formed in the two sides of the bottom plate support shaft, the cylinder moving mechanism comprises a cylinder arranged below slider two, the cylinder is fixedly arranged on the lower surface of the bottom plate through a bolt, an L-shaped pull block is arranged at the bottom of slider two, one end of the pull block is connected with the bottom of slider two, and the other end extends downward through the square through hole on the bottom plate and is connected with the piston rod of the cylinder.
5. The swing jig for engine head machining according to claim 4, characterized by: The cylinder moving mechanism comprises two groups of displacement sensing assemblies arranged below the bottom plate, which are arranged on one side of the piston rod of the cylinder and below slider two respectively, the displacement sensing assembly comprises a fixed support, the fixed support is L-shaped, the upper end is fixedly connected with the lower surface of the bottom plate, and the lower end is provided with a mounting groove, two travel sensors are fixedly arranged in the mounting groove, a detection rod is arranged below slider two, the detection rod is arranged correspondingly with the travel sensor arranged below slider two, and the pull block is arranged correspondingly with the travel sensor arranged on one side of the piston rod of the cylinder.
6. The swing jig for engine head machining according to claim 5, characterized by: Slider one and slider two are respectively provided with base one and base two, the lower half of base one and base two is square, and the upper half is triangular, a bearing plate one is sleeved on the fixed block of base one, a bearing plate two is sleeved on the fixed block of base two, and the width of the bearing plate one is greater than that of the bearing plate two.