Valve conical surface grinding machine chuck

Abstract

The utility model discloses a valve conical surface grinding machine chuck, which relates to the technical field of valve conical surface processing, and is technically characterized by comprising a grinding machine mounting plate which is fixedly mounted on a grinding machine; the spring chuck body is fixedly mounted in the middle of the upper end of the grinding machine mounting disc; the valve conical surface machining workpiece is fixedly mounted in the middle of the upper end of the spring chuck body; the rolling clamping sleeve is mounted and fixed on the peripheral side of the spring chuck body; the lifting moving mechanism is fixedly mounted on the outer walls of the left end and the right end of the rolling clamping sleeve; the spring chuck has the technical effects that the lifting moving mechanism can drive the rolling clamping sleeve to lift, so that the rolling clamping sleeve can roll on the spring chuck body to move through the rolling balls rotationally mounted on the inner side of the ball head lantern ring, friction is effectively reduced, and the service life is effectively prolonged.

Description

Technical Field

[0001] This utility model relates to the field of valve cone surface machining technology, specifically a valve cone surface grinding machine chuck. Background Technology

[0002] The valve cone refers to the working surface where the valve head contacts the valve seat. It is usually a cone that is on the same center line as the valve stem. This cone is called the valve sealing cone. Its main function is to ensure that the valve can seal properly when closed and prevent gas leakage. When machining the valve workpiece with the cone, a valve cone grinding machine chuck is needed to ensure stability so that it can be effectively fixed by the chuck on the grinding machine.

[0003] In existing valve cone grinding machine chucks, the internal spring collet is deformed and squeezed by an electric telescopic cylinder during clamping. Due to the lack of auxiliary rolling during lifting and lowering, friction damage is prone to occur.

[0004] Therefore, we propose a novel valve cone grinding machine chuck to solve the above-mentioned technical problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a valve taper grinding machine chuck, which solves the problem that existing valve taper grinding machine chucks, when clamping, rely on an electric telescopic cylinder to drive an internal spring chuck for deformation and compression clamping. Due to the lack of auxiliary rolling during lifting and lowering movements, friction damage easily occurs.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a valve taper grinding machine chuck, comprising:

[0009] A grinding machine mounting plate, which is mounted and fixed on the grinding machine;

[0010] A spring collet body is mounted and fixed at the upper middle position of the grinding machine mounting plate;

[0011] A valve cone surface machined workpiece is mounted and fixed at the upper middle position of the spring collet body;

[0012] A rolling clamping sleeve is mounted and fixed on the periphery of the spring collet body;

[0013] A lifting and moving mechanism is installed and fixed on the outer walls of the left and right ends of the rolling clamping sleeve;

[0014] A mobile positioning mechanism is installed and fixed on the front and rear outer walls of the rolling clamping sleeve.

[0015] Preferably, the spring collet body includes a pressure head mounting plate, an extrusion head is fixedly connected to the upper end of the pressure head mounting plate, a workpiece placement groove is opened on the inner side of the upper end of the extrusion head, ball grooves are opened on the front and rear outer walls of the extrusion head, and the lower end of the pressure head mounting plate is fixedly connected to the grinding machine mounting plate.

[0016] Preferably, the grinding machine mounting plate includes a mounting base, an upper cam is fixedly connected to the upper end of the mounting base, and cylinder mounting grooves are opened on the inner sides of both ends of the upper cam. The upper cam is fixedly connected to the pressure head mounting plate.

[0017] Preferably, the rolling clamping sleeve includes a compression collar, the compression collar has an internal groove, a ball head collar is installed on the inner side of the internal groove on the inner wall of the compression collar, a rolling ball is rotatably installed on the inner side of the ball head collar, and the compression collar is sleeved on the periphery of the spring collet body through the internal groove.

[0018] Preferably, the lifting and moving mechanism includes an electric telescopic cylinder, a cylinder mounting plate is fixedly connected to the periphery of the electric telescopic cylinder, the electric telescopic cylinder is mounted and fixed on the grinding machine mounting plate through the cylinder mounting plate, an assembly sleeve is fixedly connected to the telescopic rod end of the electric telescopic cylinder, the electric telescopic cylinder and the assembly sleeve are fixedly connected by connecting bolts, a connecting end plate is fixedly connected to the upper end of the assembly sleeve, and the inner end of the connecting end plate is fixedly connected to the rolling clamping sleeve.

[0019] Preferably, the moving positioning mechanism includes a connecting screw hole plate, the inner end of which is fixedly connected to a rolling clamping sleeve, and a connecting thread head is rotatably connected to the inner side of the lower end of the connecting screw hole plate. A positioning rod is fixedly connected to the lower end of the connecting thread head, and the lower circumferential side of the positioning rod is sleeved on the grinding machine mounting plate.

[0020] Preferably, the spring collet body is centered on an axis and the two ends are symmetrical.

[0021] (III) Beneficial Effects

[0022] Compared with the prior art, the present invention provides a valve taper grinding machine chuck, which has the following beneficial effects:

[0023] 1. The lifting and moving mechanism of this utility model can drive the rolling clamping sleeve to be lifted, so that the rolling clamping sleeve can roll on the spring clamp body through the rolling ball installed on the inner side of the ball head collar, thereby effectively reducing friction and effectively improving service life.

[0024] 2. This utility model, by setting a rolling clamping sleeve structure, allows for rolling and lifting compression. The compression ring of the rolling clamping sleeve is sleeved on the periphery of the spring chuck body through an internal groove, allowing the compression ring to move up and down around the periphery of the spring chuck body. A ball head ring is installed on the inner side of the internal groove, located on the inner wall of the compression ring. A rolling ball is rotatably installed on the inner side of the ball head ring. When the compression ring moves up and down, it can drive the ball head ring to move up and down around the periphery of the spring chuck body. During the up and down movement, the ball head ring can drive the inner rolling ball to roll around the periphery of the spring chuck body. Through the rolling compression force of the inner rolling ball of the ball head ring, the upper end of the spring chuck body can be effectively deformed and squeezed for clamping. The rolling of the ball effectively reduces friction and avoids a reduction in service life caused by severe wear. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the lifting and moving mechanism and the rolling clamping sleeve structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the spring collet body structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the mobile positioning mechanism of this utility model;

[0029] Figure 5 This is a schematic diagram of the grinding machine mounting plate structure of this utility model.

[0030] In the picture:

[0031] 1. Valve cone surface machining workpiece; 2. Extrusion head; 21. Ball bearing groove; 22. Workpiece placement groove; 23. Extrusion head mounting plate; 3. Electric telescopic cylinder; 31. Cylinder body mounting plate; 32. Assembly sleeve; 33. Connecting bolt; 34. Connecting end plate; 4. Extrusion collar; 41. Ball head collar; 42. Rolling ball bearing; 43. Internal groove; 5. Mounting chassis; 51. Upper side convex plate; 52. Cylinder body mounting groove; 6. Positioning rod; 61. Connecting threaded head; 62. Connecting threaded hole plate. Detailed Implementation

[0032] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0033] Example 1

[0034] This embodiment provides a technical solution: a valve taper grinding machine chuck, such as... Figures 1-5 As shown, it includes a grinding machine mounting plate, a spring collet body, a workpiece 1 for machining the valve cone surface, a rolling clamping sleeve, a lifting and moving mechanism, and a moving and positioning mechanism.

[0035] The grinding machine mounting plate is fixed on the grinding machine for corresponding installation and use. The spring collet body is fixed at the upper middle position of the grinding machine mounting plate, facilitating clamping and securing. The valve cone surface machining workpiece 1 is fixed at the upper middle position of the spring collet body, effectively securing it to the inner side of the spring collet body. The rolling clamping sleeve is fixed on the periphery of the spring collet body. When the rolling clamping sleeve moves upward, it effectively compresses the inner pressure at the upper end of the spring collet body, allowing the spring collet body to effectively clamp and hold the workpiece. The lifting and moving mechanism is fixed on the left and right outer walls of the rolling clamping sleeve, enabling it to lift and press or lower and open. The moving positioning mechanism is fixed on the front and rear outer walls of the rolling clamping sleeve, allowing it to be positioned and moved during lifting and lowering to avoid positional deviation.

[0036] The spring collet body includes a pressure head mounting plate 23. The lower end of the pressure head mounting plate 23 is fixedly connected to the grinding machine mounting plate so that it can be installed and fixed in a corresponding manner. The upper end of the pressure head mounting plate 23 is fixedly connected to a pressing head 2. When the pressing head 2 is subjected to external pressure, it can deform inward to press and clamp. The inner side of the upper end of the pressing head 2 is provided with a workpiece placement groove 22, which facilitates the placement of the valve cone surface machining workpiece 1. The front and rear outer walls of the pressing head 2 are provided with ball ball sliding grooves 21, so that the rolling clamping sleeve can be positioned and slidably moved.

[0037] The spring collet body is centered on the axis and the two ends are symmetrical, so it can be stably placed for deformation compression clamping.

[0038] The grinding machine mounting plate includes a mounting base 5. An upper cam 51 is fixedly connected to the upper end of the mounting base 5. The upper cam 51 can be installed on the grinding machine through the mounting base 5. Cylinder mounting grooves 52 are opened on the inner sides of both ends of the upper cam 51 so as to allow for corresponding positioning and installation. The upper cam 51 is fixedly connected to the pressure head mounting plate 23, so as to allow for corresponding installation and connection.

[0039] like Figure 1 and Figure 2As shown, the rolling clamping sleeve includes a compression collar 4, which has an internal groove 43. The compression collar 4 is sleeved on the periphery of the spring collet body through the internal groove 43, allowing the compression collar 4 to move up and down around the periphery of the spring collet body. A ball head collar 41 is installed on the inner side of the internal groove 43, located on the inner wall of the compression collar 4. A rolling ball 42 is rotatably installed on the inner side of the ball head collar 41. When the compression collar 4 moves up and down, it can drive the ball head collar 41 to rise and fall around the periphery of the spring collet body. During the rising and falling, the ball head collar 41 can drive the inner rolling ball 42 to roll and move around the periphery of the spring collet body. The rolling compression force of the inner rolling ball 42 of the ball head collar 41 allows the upper end of the spring collet body to be effectively deformed and squeezed for clamping. The rolling of the rolling ball 42 effectively reduces friction and avoids a reduction in service life caused by severe wear.

[0040] In use, the operator fixes the grinding machine mounting plate to the grinding machine with screws. When placing the workpiece 1 for valve cone surface machining, the operator places the workpiece 1 inside the spring collet body. Then, the lifting and moving mechanism can drive the rolling clamping sleeve to rise, so that the rolling clamping sleeve can roll on the spring collet body through the rolling ball 42 rotatably installed inside the ball head collar 41. This effectively reduces friction. When the rolling clamping sleeve moves upward on the spring collet body, it can deform the upper end of the spring collet body, so that the upper end of the spring collet body can effectively clamp the workpiece 1 placed inside. In this way, the workpiece 1 will not fall off during the grinding machine. The rolling clamping sleeve can be positioned and moved by the moving positioning mechanism during the lifting and moving, avoiding positional deviation.

[0041] Example 2

[0042] This embodiment is a further optimization based on Embodiment 1. The parts that are the same as those described above will not be repeated here. Figure 1 , Figure 2 and Figure 4As shown, to further better realize this utility model, the following configuration is specifically adopted: The lifting and moving mechanism includes an electric telescopic cylinder 3. A cylinder mounting plate 31 is fixedly connected to the periphery of the electric telescopic cylinder 3. The electric telescopic cylinder 3 is installed and fixed on the grinding machine mounting plate through the cylinder mounting plate 31, so that the electric telescopic cylinder 3 can be installed and placed accordingly. An assembly sleeve 32 is fixedly connected to the telescopic rod end of the electric telescopic cylinder 3. The electric telescopic cylinder 3 and the assembly sleeve 32 are fixedly connected by connecting bolts 33. When the telescopic rod of the electric telescopic cylinder 3 extends and retracts, it can drive the assembly sleeve 32 fixedly connected by the connecting bolts 33 to move up and down. A connecting end plate 34 is fixedly connected to the upper end of the assembly sleeve 32. When the assembly sleeve 32 moves up and down, it can drive the connecting end plate 34 to move up and down. The inner end of the connecting end plate 34 is fixedly connected to the rolling clamping sleeve. The connecting end plate 34 can drive the rolling clamping sleeve to move up and down to squeeze or release.

[0043] The moving positioning mechanism includes a connecting screw hole plate 62, the inner end of which is fixed to a rolling clamping sleeve. During lifting and lowering, the rolling clamping sleeve can drive the connecting screw hole plate 62 to move up and down. The lower end of the connecting screw hole plate 62 is threadedly connected to a connecting threaded head 61, which in turn drives the connecting threaded head 61 to move up and down. The threaded connection of the connecting threaded head 61 facilitates installation and removal. The lower end of the connecting threaded head 61 is fixed to a positioning rod 6, which in turn drives the positioning rod 6 to move up and down during lifting and lowering. The lower circumference of the positioning rod 6 is sleeved on the grinding machine mounting plate, allowing the positioning rod 6 to move and be positioned on the grinding machine mounting plate, thus effectively limiting the movement.

[0044] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.

Claims

1. A valve cone grinding machine chuck, characterized in that, include: A grinding machine mounting plate, which is mounted and fixed on the grinding machine; A spring collet body is mounted and fixed at the upper middle position of the grinding machine mounting plate; A valve cone surface machined workpiece (1) is mounted and fixed at the middle position of the upper end of the spring collet body; A rolling clamping sleeve is mounted and fixed on the periphery of the spring collet body; A lifting and moving mechanism is installed and fixed on the outer walls of the left and right ends of the rolling clamping sleeve; A mobile positioning mechanism is installed and fixed on the front and rear outer walls of the rolling clamping sleeve.

2. A valve cone grinder chuck as defined in claim 1 wherein: The spring collet body includes a pressure head mounting plate (23), the upper end of which is fixedly connected to an extrusion head (2), the inner side of the upper end of the extrusion head (2) is provided with a workpiece placement groove (22), the front and rear outer walls of the extrusion head (2) are provided with ball ball sliding grooves (21), and the lower end of the pressure head mounting plate (23) is fixedly connected to a grinding machine mounting plate.

3. A valve cone grinder chuck as defined in claim 2 wherein: The grinding machine mounting plate includes a mounting base (5), an upper cam (51) is fixedly connected to the upper end of the mounting base (5), and cylinder mounting grooves (52) are opened on the inner sides of both ends of the upper cam (51). The upper cam (51) is fixedly connected to the pressure head mounting plate (23).

4. The valve cone grinder chuck of claim 1 wherein: The rolling clamping sleeve includes a compression collar (4), and an internal groove (43) is provided inside the compression collar (4). A ball head collar (41) is installed on the inner side of the internal groove (43) on the inner wall of the compression collar (4). A rolling ball (42) is rotatably installed on the inner side of the ball head collar (41). The compression collar (4) is sleeved on the periphery of the spring collet body through the internal groove (43).

5. The valve cone grinder chuck of claim 1 wherein: The lifting and moving mechanism includes an electric telescopic cylinder (3), a cylinder mounting plate (31) is fixedly connected to the periphery of the electric telescopic cylinder (3), the electric telescopic cylinder (3) is mounted and fixed on the grinding machine mounting plate through the cylinder mounting plate (31), an assembly sleeve (32) is fixedly connected to the telescopic rod end of the electric telescopic cylinder (3), the electric telescopic cylinder (3) and the assembly sleeve (32) are fixedly connected by connecting bolts (33), a connecting end plate (34) is fixedly connected to the upper end of the assembly sleeve (32), and the inner end of the connecting end plate (34) is fixedly connected to the rolling clamping sleeve.

6. The valve cone grinder chuck of claim 1 wherein: The moving positioning mechanism includes a connecting screw hole plate (62), the inner end of which is fixed to a rolling clamping sleeve, and a connecting thread head (61) is rotatably connected to the inner side of the lower end of the connecting screw hole plate (62). A positioning round rod (6) is fixed to the lower end of the connecting thread head (61), and the lower circumferential side of the positioning round rod (6) is sleeved on the grinding machine mounting plate.

7. The valve cone grinder chuck of claim 1 wherein: The spring collet body is centered on an axis, and its two ends are symmetrical.

Images