Roll shaft clamping tool for valve retainer

Abstract

The utility model discloses a roll shaft clamping tool of a valve retainer, which belongs to the technical field of clamping tools and comprises a base and a roll shaft clamping mechanism positioned on the base, a clamping seat and a side support are welded on the base, a bottom groove for placing a roll shaft of the valve retainer is formed on the clamping seat, an air cylinder is mounted at the center of the top wall of the side support, and the top wall of the air cylinder is provided with a clamping groove. A lifting table is connected to the lower portion of the air cylinder, and a top frame is welded to the bottom wall of the lifting table. The roll shaft clamping mechanism comprises servo motors fixed to the two sides of the outer wall of the top frame correspondingly, screw rods coaxially connected with output shafts of the two servo motors correspondingly, piston blocks arranged on the two screw rods in a threaded and sleeving mode correspondingly and movable clamping plates connected to the two piston blocks correspondingly, and protective cylinders are fixedly welded to the two sides of the inner wall of the top frame correspondingly. The two piston blocks are attached to the inner walls of the two pile casings correspondingly. According to the roll shaft clamping tool of the valve retainer, the roll shaft is fixed in three directions, so that the roll shaft cannot shake, and the stability of the roll shaft is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamping tooling, in particular to a roller clamping tooling for a valve disc. Background Art

[0002] The function of the valve is to input air into the engine and discharge the exhaust gas after combustion. From the perspective of engine structure, it is divided into intake valve and exhaust valve. The function of the intake valve is to suck air into the engine and mix it with fuel for combustion; the function of the exhaust valve is to discharge the exhaust gas after combustion and dissipate heat.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in this technology: when processing the valve, the roller shaft of the disc-shaped part on it needs to be clamped, and then corresponding detailed processing (grinding, etc.) is carried out, but the tooling currently used for clamping the roller shaft of the disc-shaped part of the valve usually only clamps from two directions (on both sides of the roller shaft of the disc-shaped part of the valve), resulting in insufficient stability and possible shaking.

[0004] To this end, we proposed a roller clamping tool for the valve disc to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a roller shaft clamping tool for a valve disc, which fixes the roller shaft in three directions so that the roller shaft will not shake, thereby ensuring the stability of the roller shaft and effectively solving the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A roller clamping tool for a valve disc comprises a base and a roller clamping mechanism located on the base, a clamping seat and a side bracket are welded on the base, a bottom groove for placing the roller of the valve disc is formed on the clamping seat, a cylinder is installed at the center of the top wall of the side bracket, a lifting platform is connected below the cylinder, and a top frame is welded on the bottom wall of the lifting platform;

[0008] The roller clamping mechanism includes servo motors respectively fixed on both sides of the outer wall of the top frame, screws respectively connected to the output shafts of the two servo motors coaxially, piston blocks respectively threadedly sleeved on the two screws, and movable clamps respectively connected to the two piston blocks. Casings are respectively fixed and welded on both sides of the inner wall of the top frame, and the two piston blocks are respectively fitted with the inner walls of the two casings, so that the screw can drive the piston block to translate along the inner wall of the casing when it is running.

[0009] As a preferred embodiment, a C-shaped lower gasket is fixedly bonded to the inner wall of the bottom groove; thereby facilitating the cushioning of the lower side of the valve disc roller shaft by the lower gasket.

[0010] As a preferred implementation scheme, raised plates are fixedly welded on both sides of the outer wall of the top frame, and two servo motors are respectively mounted on the two raised plates, so that the servo motor structure remains stable.

[0011] As a preferred implementation scheme, covers are fixedly bonded to the two raised plates, and the two servo motors are located on the inner sides of the two covers, respectively; so that the covers can protect the servo motors, which require power from external power facilities.

[0012] As a preferred implementation scheme, upper gaskets are fixedly bonded on the opposite sides of the two movable splints, and the inner walls of the two upper gaskets are arc-shaped; the upper gaskets and the lower gaskets can be made of rubber material, and the two upper gaskets are used for buffering with the upper side of the valve disc roller.

[0013] As a preferred embodiment, the two screws are respectively located in the two casings and are rotatably connected to the casings, so that the screws can operate stably.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] The roller clamping tooling of the valve disc drives the lifting platform down by driving the cylinder to operate, so that the top frame is close to the roller to be clamped, and then drives two servo motors to operate and drive two screws to operate, so that the two movable clamping plates cooperate with the clamping seat to fix the roller in three directions, so that the roller will not shake, ensuring the stability of the roller;

[0016] The roller clamping tool of the valve disc moves the two upper gaskets to the two sides of the valve disc roller, and then drives the two servo motors to drive the two screws to operate, so that the two piston blocks slide obliquely downward, and finally the two upper gaskets are close to the valve disc roller to clamp it. Then, the valve disc roller can be processed accordingly on the production line. Since the valve disc roller is fixed from three directions, its structure is stable and will not shake. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a side view of the utility model;

[0019] Figure 3 It is a partial cross-sectional view of the utility model.

[0020] In the figure: 1. base; 2. clamping seat; 3. bottom groove; 4. side bracket; 5. cylinder; 6. lifting platform; 7. top frame; 8. raised plate; 9. servo motor; 10. machine cover; 11. casing; 12. screw; 13. piston block; 14. movable splint; 15. upper gasket; 16. lower gasket. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 3 A roller clamping tool for a valve disc comprises a base 1 and a roller clamping mechanism on the base 1, a clamping seat 2 and a side bracket 4 are welded on the base 1, a bottom groove 3 for placing the roller of the valve disc is formed on the clamping seat 2, a C-shaped lower gasket 16 is fixedly bonded to the inner wall of the bottom groove 3, so that the lower part of the roller of the valve disc is buffered by the lower gasket 16, a cylinder 5 is installed at the center of the top wall of the side bracket 4, a lifting platform 6 is connected below the cylinder 5, and a top frame 7 is welded to the bottom wall of the lifting platform 6;

[0023] The roller clamping mechanism includes servo motors 9 respectively fixed on both sides of the outer wall of the top frame 7, screws 12 respectively connected to the output shafts of the two servo motors 9, piston blocks 13 respectively threadedly sleeved on the two screws 12, and movable clamping plates 14 respectively connected to the two piston blocks 13. Protruding plates 8 are respectively fixedly welded on both sides of the outer wall of the top frame 7. The two servo motors 9 are respectively installed on the two protruding plates 8, so that the structure of the servo motors 9 remains stable. The two protruding plates 8 are respectively fixedly bonded with machine covers 10, and the two servo motors 9 are respectively located on the inner sides of the two machine covers 10, so that the machine covers 10 can protect the servo motors 9. The servo motors 9 need to be powered by external power facilities.

[0024] The two screws 12 are respectively located in the two casings 11 and are rotatably connected to the casings 11, so that the screws 12 can operate stably. The casings 11 are fixedly welded on both sides of the inner wall of the top frame 7, and the two piston blocks 13 are respectively fitted with the inner walls of the two casings 11, so that when the screws 12 are running, they can drive the piston blocks 13 to translate along the inner wall of the casing 11. Upper gaskets 15 are fixedly bonded on the opposite sides of the two movable splints 14, and the inner walls of the two upper gaskets 15 are arc-shaped. The upper gaskets 15 and the lower gaskets 16 can both be made of rubber material, and the two upper gaskets 15 are used to buffer with the top of the valve disc roller shaft.

[0025] The roller clamping tooling of the valve disc: when in use, first place the valve disc roller to be clamped in the bottom groove 3 from the vertical direction to contact the lower gasket 16, then drive the cylinder 5 to drive the lifting platform 6 and the top frame 7 to sink, so that the two upper gaskets 15 move to the two sides of the valve disc roller, and then drive the two servo motors 9 to drive the two screws 12 to operate, so that the two piston blocks 13 slide obliquely downward and drive the two movable clamps 14 and the upper gaskets 15 thereon to move, and finally make the two upper gaskets 15 close to the valve disc roller to clamp it and fix it, and then the valve disc roller can be processed accordingly on the production line. Since the valve disc roller is fixed from three directions (through the lower gasket 16 and the two upper gaskets 15), its structure is stable and will not shake.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A roller clamping tool for a valve disc, comprising a base (1) and a roller clamping mechanism located on the base (1), It is characterized in that A clamping seat (2) and a side bracket (4) are welded to the base (1), wherein a bottom groove (3) for placing a valve disc roller shaft is formed on the clamping seat (2), a cylinder (5) is installed at the center of the top wall of the side bracket (4), a lifting platform (6) is connected below the cylinder (5), and a top frame (7) is welded to the bottom wall of the lifting platform (6); The roller clamping mechanism comprises servo motors (9) respectively fixed to the outer walls of the top frame (7), screws (12) respectively coaxially connected to the output shafts of the two servo motors (9), piston blocks (13) respectively threadedly sleeved on the two screws (12), and movable clamping plates (14) respectively connected to the two piston blocks (13), and the inner walls of the top frame (7) are respectively fixedly welded with casings (11), and the two piston blocks (13) are respectively fitted with the inner walls of the two casings (11).

2. A roller clamping tool for a valve disc according to claim 1, It is characterized in that A C-shaped lower gasket (16) is fixedly bonded to the inner wall of the bottom groove (3).

3. The roller clamping tool for a valve disc according to claim 1, It is characterized in that Raised plates (8) are fixedly welded to both sides of the outer wall of the top frame (7), and the two servo motors (9) are respectively mounted on the two raised plates (8).

4. A roller clamping tool for a valve disc according to claim 3, It is characterized in that The two raised plates (8) are respectively fixedly bonded with machine covers (10), and the two servo motors (9) are respectively located on the inner sides of the two machine covers (10).

5. The roller clamping tool for a valve disc according to claim 1, It is characterized in that Upper gaskets (15) are fixedly bonded to the opposite sides of the two movable clamping plates (14), and the inner walls of the two upper gaskets (15) are arc-shaped.

6. The roller clamping tool for a valve disc according to claim 1, It is characterized in that The two screw rods (12) are respectively located in the two casings (11) and are rotatably connected to the casings (11).

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