Fixing tool for rocker arm head machining

Abstract

The utility model belongs to the technical field of mechanical tools, and particularly relates to a rocker arm head machining fixing tool which comprises a rack, a sliding table is connected to the rack in a sliding mode, the sliding table can slide in the length direction and the width direction of the rack, a mounting plate is fixedly connected to the top of the sliding table, and a plurality of supporting pipes are fixedly arranged on one side wall of the mounting plate. A fastening assembly is arranged in each supporting pipe in a penetrating mode, first supporting blocks and second supporting blocks are arranged among the supporting pipes at intervals, the first supporting blocks are fixedly connected with the mounting plate, the second supporting blocks are slidably connected with the mounting plate, the bottoms of the second supporting blocks are connected with first air cylinders, and the bottoms of the first air cylinders are fixedly mounted on the sliding table. According to the fixing tool for rocker arm head machining, the supporting pipes are arranged, a plurality of rocker arm heads can be fixed at the same time, the rocker arm heads do not need to be fixed one by one, machined and then disassembled, time is saved, efficiency is improved, and batch fixing and machining can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical tooling, and in particular relates to a fixed tooling for machining a rocker arm head. Background Art

[0002] The valve rocker arm mechanism is an indispensable and important mechanism of the internal combustion engine. One end of the rocker arm in the engine contacts the cam of the camshaft, and the other end controls the valve. Its main function is to transmit the camshaft's motion force, cooperate with the operation of the camshaft, open the valve at the right time, and complete the engine's intake and exhaust. During the processing of the rocker arm head, a drilling device is required to drill holes at the specified position to ensure the normal connection and rotation of the subsequent valve rocker arm. Figure 5 As shown, the rocker arm head 21 is an irregular component, and the rocker arm head 21 has a long arm 17, a short arm 18 and a rotating shaft hole 19. In the utility model, the threaded hole at the end of the short arm needs to be machined.

[0003] The utility model patent with publication number CN215280007U proposes a tool for processing the oil channel hole of the valve rocker arm, including a supporting base plate and an operating plate, one end of the supporting base plate is hinged to the bottom end of the operating plate, an inclination adjustment component is arranged between the supporting base plate and the operating plate, a guide plate is hinged on the upper end of the operating plate, one side of the guide plate is flush with the operating plate, a guide hole is penetrated by the guide plate, a first positioning rod is fixed to the operating plate below the guide hole, a second positioning rod is arranged vertically below the first positioning rod, the second positioning rod is slidably connected with a slide groove fixed on the operating plate, and the slide groove and the guide hole are located in the same plane; the patent adjusts the drilling angle by arranging the inclination adjustment component to adapt to different drilling requirements, and at the same time positions the workpiece by arranging two positioning rods, so that the stability during drilling is good and the drilling efficiency is improved.

[0004] However, when processing the valve rocker arm in the patented technical solution, only one rocker arm head can be fixed, which is not convenient for batch fixing and processing. Utility Model Content

[0005] The utility model aims to provide a fixing tool for machining a rocker arm head, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above technical purpose, the technical solution of the utility model is:

[0007] A fixed tooling for processing a rocker arm head comprises a frame, a sliding table is slidably connected to the frame, the sliding table can slide along the length and width directions of the frame, a mounting plate is fixedly connected to the top of the sliding table, a plurality of support tubes are fixedly provided on one side wall of the mounting plate, a fastening assembly is passed through each of the support tubes, a first support block and a second support block are arranged between the plurality of support tubes, the first support block is fixedly connected to the mounting plate, the second support block is slidably connected to the mounting plate, a first cylinder is connected to the bottom of the second support block, and the bottom of the first cylinder is fixedly mounted on the sliding table.

[0008] As an improvement, two mounting plates are fixedly provided on the top of the sliding table, each mounting plate is provided with a plurality of tube supports, a plurality of fastening components, a plurality of first support blocks, a plurality of second support blocks and a plurality of first cylinders, and the top surfaces of the plurality of first support blocks are at the same height.

[0009] As a further improvement, the fastening assembly includes a fastening rod that passes through the mounting plate and is slidably connected to the mounting plate, one end of the fastening rod is provided with a fastening nut, and the other end is provided with a limit block, and the end of the fastening rod close to the limit block is detachably connected to the fastening block.

[0010] As a further improvement, the fastening block is configured to be in an inverted U shape, and the two side walls of the fastening block are respectively against the limit block and the end of the hosting tube.

[0011] As a further improvement, the plurality of first cylinders on each mounting plate are connected to an air source via a same pipeline, each pipeline is provided with a pneumatic hand valve, and the pneumatic hand valve is fixedly mounted on the end of the mounting plate.

[0012] As a further improvement, the top of the frame is slidably connected to a movable plate along the width direction, the sliding table slides along the length direction of the movable plate, a second cylinder is installed on the frame, one side of the movable plate is connected to the output end of the second cylinder, a third cylinder is installed on the movable plate, and the output end of the third cylinder is connected to one end of the sliding table.

[0013] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] The utility model provides a fixing tool for processing rocker arm heads, which is provided with a plurality of brackets and can fix a plurality of rocker arm heads at the same time. There is no need to fix, process and then disassemble the rocker arm heads one by one, thus saving time, improving efficiency and realizing batch fixing and processing.

[0015] By setting the first cylinder to drive the second support block to rise and fall, the rocker heads on both sides of the second support block are tightened, which is convenient for unified control of the clamping force and ensures stability during the processing. Multiple first cylinders can be started at the same time, and the fixing process is simple and quick. At the same time, the cost of the tooling itself is saved.

[0016] The utility model can not only be used for fixing the rocker arm head during the processing, but also can be used for batch processing of other special-shaped parts with center holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a top view of the fastening components, sliding table, mounting plate, rocker head, etc.;

[0019] Figure 3 is a structural schematic diagram of the clamping mechanism;

[0020] Figure 4 is a structural schematic diagram of a fastening block;

[0021] Figure 5 It is a structural diagram of the rocker arm head;

[0022] Among them: 1-frame, 2-sliding table, 3-mounting plate, 4-trustee, 5-fastening assembly, 6-fastening rod, 7-fastening nut, 8-limiting block, 9-fastening block, 10-first cylinder, 11-first supporting block, 12-second supporting block, 13-pneumatic hand valve, 14-moving plate, 15-second cylinder, 16-third cylinder, 17-long arm, 18-short arm, 19-rotating shaft hole, 20-stopper, 21-rocker arm head. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the specific implementation methods and the accompanying drawings. The accompanying drawings are only for illustrative purposes and are only schematic diagrams, not actual drawings, and should not be construed as limiting the present application. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0024] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] like Figure 1-4 As shown, a fixed tooling for rocker head processing includes a frame 1, a first slide rail is provided on the top surface of the frame 1 along the width direction, a moving plate 14 is slidably connected in the first slide rail, a second cylinder 15 is installed on the frame 1, one side of the moving plate 14 is connected to the output end of the second cylinder 15, a second slide rail is provided on the top surface of the moving plate 14 along the length direction, a sliding table 2 is provided in the second slide rail, a third cylinder 16 is installed on the moving plate 14, and the output end of the third cylinder 16 is connected to one end of the sliding table 2. A mounting plate 3 is fixedly connected to the top of the sliding table 2, and the mounting plate 3 is arranged along the length direction of the sliding table 2. A plurality of support tubes 4 are fixedly provided on one side wall of the mounting plate 3, a fastening assembly 5 is passed through each support tube 4, a first support block 11 and a second support block 12 are provided between the plurality of support tubes 4, the first support block 11 is fixedly connected to the mounting plate 3, the second support block 12 is slidably connected to the mounting plate 3, the second support block 12 can slide up and down along the mounting plate 13, the bottom of the second support block 12 is connected to the first cylinder 10, and the bottom of the first cylinder 10 is fixedly mounted on the sliding table 2.

[0026] In this embodiment, the rotating shaft hole 19 of the rocker arm head 21 to be processed is inserted into the tube 4, and the short arm end is located above the first support block 11, and the long arm end is located above the second support block 12. The rocker arm head 21 is fixed in the axial direction of the tube 4 by adjusting the fastening assembly 5, and then the first cylinder 10 drives the second support block 12 to rise, so that the bottom surface of the long arm end is against the top surface of the second support block 12, and at the same time, the top surface of the first support block 11 is against the bottom surface of the short arm end, thereby fixing the rocker arm head 21 on the side wall of the mounting plate 3.

[0027] Furthermore, two mounting plates 3 are fixedly provided on the top of the sliding table 2, and each mounting plate 3 is provided with a plurality of tube holders 4, a plurality of fastening components 5, a plurality of first support blocks 11, a plurality of second support blocks 12 and a plurality of first cylinders 10, and the top surfaces of the plurality of first support blocks 11 are at the same height. Each tube holder 4 can be provided with a rocker arm 21, and the two ends of the rocker arm 21 are supported by the first support block 11 and the second support block 12 respectively, and during the fixing process, only one first cylinder 10 is used to drive the second support block 12 to rise to clamp two adjacent rocker arm 21, and the clamping process is simple and quick to operate, and the cost of the tooling itself can be reduced at the same time.

[0028] A stopper 20 is provided on the top of one side of the first support block 11 close to the mounting plate 3, and the stopper 20 abuts against one side of the short arm end of the rocker arm head 21, so that the rocker arm head 21 is not easy to swing after being fixed on the tube 4, thereby ensuring stability during processing.

[0029] Specifically, the fastening assembly 5 includes a fastening rod 6 that penetrates the mounting plate 3 and is slidably connected to the mounting plate 3. A fastening nut 7 is provided at one end of the fastening rod 6, and a stopper 8 is provided at the other end. The diameter of the stopper 8 is smaller than the diameter of the rotating shaft hole 19, so that the rotating shaft hole 19 of the rocker arm head 21 can pass through the stopper 8 and be placed on the tube 4. The end of the fastening rod 6 close to the stopper 8 is detachably connected with a fastening block 9, which is placed on the fastening rod 6 between the stopper 8 and the end of the tube 4, and then the fastening nut 7 is tightened to prevent the rocker arm head 21 from falling off the tube 4.

[0030] Specifically, the fastening block 9 is set to an inverted U shape, and the open end of the fastening block 9 is always facing downward, which is convenient for placing the fastening block 9 on the tube 4 and is not easy to fall off. At the same time, the two side walls of the fastening block 9 are respectively against the limit block 8 and the end of the tube 4, so that the rocker arm head 21 cannot move along the axial direction of the tube 4.

[0031] Specifically, the multiple first cylinders 10 on each mounting plate are connected to the air source through the same pipeline, and each pipeline is provided with a pneumatic hand valve 13, and the pneumatic hand valve 13 is fixedly installed on the end of the mounting plate 3. Furthermore, the first cylinders 10 on the same mounting plate 3 are all controlled to open by the same pneumatic hand valve 13, driving the second support blocks 12 to rise at the same time, so that the rocker arm heads 21 are fixed synchronously, saving time and improving processing efficiency.

[0032] In this embodiment, the movable plate 14 is driven by the second cylinder 15 to move along the width direction of the frame 1, and the sliding table 2 is driven by the third cylinder 16 to move along the length direction of the frame 1, so that each rocker arm head 21 is moved to the processing position for processing in turn, reducing the time for manual movement of the tooling position, disassembly and installation, and realizing batch fixing and processing of the rocker arm heads 21.

[0033] The working process of the utility model is: the rotating shaft hole of the rocker arm head 21 is placed on the trustee 4 through the limit block 8, and the short arm end is located above the first support block 11, and the long arm end is located above the second support block 12, and then the fastening block 9 is placed on the trustee 4, and the fastening nut 7 is adjusted to tighten the two sides of the rocker arm head 21, and then the first cylinder 10 drives the second support block 12 to rise, so that the top surface of the first support block 11 is against the bottom surface of the short arm end, and the bottom surface of the long arm end is against the top surface of the second support block 12, so that the two ends of the rocker arm head 21 are fixed, and the rocker arm head 21 can be processed, and the processing technology mainly includes milling and drilling of the rocker arm head 21.

[0034] The fixing tool for processing the rocker arm head 21 provided by the utility model is provided with a plurality of brackets, and a plurality of rocker arm heads 21 can be fixed at the same time. There is no need to fix, process and then disassemble the rocker arm heads 21 one by one, thus saving time, improving efficiency and realizing batch fixing and processing.

[0035] By setting the first cylinder 10 to drive the second support block 12 to rise and fall, the rocker heads 21 on both sides of the second support block 12 are pressed tightly, which is convenient for controlling the clamping force and ensuring the stability during the processing. Moreover, multiple first cylinders 10 can be started at the same time, and the fixing process is simple and fast. At the same time, the cost of the tooling itself is saved.

[0036] The utility model can not only be used for fixing the rocker arm head 21 during the processing, but also can be used for batch processing of other special-shaped parts with center holes.

[0037] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A fixed tool for rocker head processing, comprising a frame, a sliding table slidably connected to the frame, and the sliding table can slide along the length direction and width direction of the frame, characterized in that: The top of the sliding table is fixedly connected to a mounting plate, a side wall of the mounting plate is fixedly provided with a plurality of support tubes, each of the support tubes is penetrated with a fastening component, a first support block and a second support block are arranged between the plurality of support tubes, the first support block is fixedly connected to the mounting plate, the second support block is slidably connected to the mounting plate, the bottom of the second support block is connected to a first cylinder, and the bottom of the first cylinder is fixedly mounted on the sliding table.

2. The fixing tool for rocker arm head machining according to claim 1, characterized in that: Two mounting plates are fixedly provided on the top of the sliding table, and each mounting plate is provided with a plurality of tube supports, a plurality of fastening components, a plurality of first support blocks, a plurality of second support blocks and a plurality of first cylinders, and the top surfaces of the plurality of first support blocks are at the same height.

3. The fixing tool for rocker arm head machining according to claim 1, characterized in that: The fastening assembly includes a fastening rod that passes through the mounting plate and is slidably connected to the mounting plate. A fastening nut is provided at one end of the fastening rod and a limit block is provided at the other end. The fastening block is detachably connected to the end of the fastening rod close to the limit block.

4. The fixing tool for rocker arm head machining according to claim 3, characterized in that: The fastening block is configured to be in an inverted U shape, and two side walls of the fastening block are respectively against the limit block and the end of the hosting tube.

5. The fixing tool for rocker arm head machining according to claim 2, characterized in that: The plurality of first cylinders on each mounting plate are connected to an air source through a same pipeline, and each pipeline is provided with a pneumatic hand valve, and the pneumatic hand valve is fixedly mounted on the end of the mounting plate.

6. The fixing tool for rocker arm head machining according to claim 1, characterized in that: The top of the frame is slidably connected to a movable plate along the width direction, and the sliding table slides along the length direction of the movable plate. A second cylinder is installed on the frame, and one side of the movable plate is connected to the output end of the second cylinder. A third cylinder is installed on the movable plate, and the output end of the third cylinder is connected to one end of the sliding table.

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