Bidirectional main shaft clamping seat for machining output shaft
By designing a bidirectional spindle clamp, and utilizing a symmetrical three-jaw chuck and a cylinder-driven clamping assembly, synchronous rotation machining at both ends of the output shaft is achieved, solving the problems of low efficiency and low precision in existing technologies, and improving machining efficiency and precision.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU MICAWAY MASCH MFG CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-12
AI Technical Summary
In the current output shaft machining process, it is necessary to frequently change cutting tools and flip the output shaft to process both ends, resulting in low machining efficiency and affecting the accuracy of the fixture.
A bidirectional spindle clamp is designed, which uses two symmetrically mounted three-jaw chucks and a cylinder-driven clamping assembly to simultaneously clamp both ends of the output shaft and drive them to rotate, thereby achieving synchronous processing at both ends.
It improves the efficiency and accuracy of output shaft machining, reduces machining steps and time, and enhances the stability and accuracy of the fixture.
Smart Images
Figure CN224222768U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of output shaft technology, and in particular to a bidirectional spindle clamp for output shaft machining. Background Technology
[0002] Output shaft machining typically involves fixing the output shaft to a machining fixture, machining one end first, and then removing and re-fixing the output shaft to machine the other end. The cutting tool works in conjunction with the fixture, and only one end can be machined at a time. Each time the output shaft is flipped and re-fixed, the two ends have different machining requirements, so the cutting tool needs to be changed. This increases the number of machining steps and time, reduces machining efficiency, and the frequent disassembly and assembly will affect the accuracy of the fixture. Utility Model Content
[0003] The purpose of this application is to provide a bidirectional spindle holder for output shaft machining, so as to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this application provides the following technical solution:
[0005] A bidirectional spindle chuck for output shaft machining includes a housing and two clamping assemblies symmetrically mounted at both ends of the housing. Each clamping assembly includes a three-jaw chuck, a cylinder, and a mounting plate. The cylinder is fixedly mounted on the inner bottom wall of the housing. The mounting plate is embedded inside one end of the housing. The output end of the cylinder is fixedly connected to the mounting plate. The three-jaw chuck is movably mounted on the outer wall of the mounting plate. Three rotating blocks are movably mounted on the edge of the three-jaw chuck. Two mounting slots are symmetrically formed on one side of the outer wall of the housing, and the positions of the mounting slots correspond to one of the rotating blocks of the three-jaw chuck.
[0006] Preferably, the outer wall of the mounting plate has a hole, and a driven wheel is disposed in the hole. A central tube is fixedly installed at the center of the driven wheel. The outer wall of the central tube of the driven wheel is connected to the inner wall of the hole via a bearing. The end of the central tube of the driven wheel is fixedly connected to one side of the outer wall of the three-jaw chuck. The driven wheel is installed on the side of the mounting plate away from the three-jaw chuck. A driving wheel is rotatably mounted on the outer wall of the mounting plate away from the three-jaw chuck. A motor is fixedly installed on the outer wall of the mounting plate on the side where the three-jaw chuck is mounted. The output end of the motor passes through the mounting plate and is fixedly connected to the center of the driving wheel. Both the driving wheel and the driven wheel are transmission gears and their teeth mesh.
[0007] Preferably, a slide rail is fixedly installed on the bottom inner wall of the housing, and slots are opened at the bottom of the two mounting plates. The two mounting plates are sleeved on the outside of the slide rail through the slots. The three-jaw chuck consists of a chuck body, movable jaws, a small bevel gear, and a large bevel gear. The chuck body is a circular frame. There are usually three movable jaws that are fitted onto the chuck body. The small bevel gear and the large bevel gear are installed inside the chuck body. The small bevel gear drives the large bevel gear to rotate. The back of the large bevel gear has a flat thread that meshes with the movable jaws. The rotating block is fixedly connected to the end of the small bevel gear.
[0008] The beneficial effects of this utility model are: by setting a clamping component, two three-jaw chucks simultaneously clamp both ends of the output shaft, driving the output shaft to rotate, so that both ends of the output shaft can rotate and be processed at the same time, improving processing efficiency and accuracy. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0010] Figure 2 This is a schematic diagram of the mounting structure of the mounting groove in this utility model;
[0011] Figure 3 This is a schematic diagram of the internal structure of the casing in this utility model.
[0012] In the diagram: 1. Housing; 2. Three-jaw chuck; 3. Motor; 4. Slide rail; 5. Rotating block; 6. Mounting plate; 7. Mounting slot; 8. Cylinder; 9. Drive wheel; 10. Driven wheel. Detailed Implementation
[0013] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.
[0014] like Figure 1-3The diagram shows a bidirectional spindle chuck for output shaft machining, comprising a housing 1 and two clamping assemblies symmetrically mounted at both ends of the housing 1. The clamping assemblies include a three-jaw chuck 2, a cylinder 8, and a mounting plate 6. The cylinder 8 is fixedly mounted on the inner bottom wall of the housing 1. The mounting plate 6 is embedded inside one end of the housing 1. The output end of the cylinder 8 is fixedly connected to the mounting plate 6. The three-jaw chuck 2 is movably mounted on the outer wall of the mounting plate 6. Three rotating blocks 5 are movably mounted on the edge of the three-jaw chuck 2. Two mounting grooves 7 are symmetrically opened on one side of the outer wall of the housing 1. The opening position of the mounting grooves 7 corresponds to one of the rotating blocks 5 of the three-jaw chuck 2.
[0015] The outer wall of the mounting plate 6 has a hole, and a driven wheel 10 is installed in the hole. A central tube is fixedly installed at the center of the driven wheel 10. The outer wall of the central tube of the driven wheel 10 is connected to the inner wall of the hole through a bearing. The end of the central tube of the driven wheel 10 is fixedly connected to one side of the outer wall of the three-jaw chuck 2. The driven wheel 10 is installed on the side of the mounting plate 6 away from the three-jaw chuck 2. A driving wheel 9 is rotatably installed on the outer wall of the mounting plate 6 away from the three-jaw chuck 2. A motor 3 is fixedly installed on the outer wall of the mounting plate 6 on the side where the three-jaw chuck 2 is installed. The output end of the motor 3 passes through the mounting plate 6 and is fixedly connected to the center of the driving wheel 9. Both the driving wheel 9 and the driven wheel 10 are transmission gears and their teeth mesh.
[0016] A slide rail 4 is fixedly installed on the bottom inner wall of the housing 1. The bottom of the two mounting plates 6 has slots, and the two mounting plates 6 are fitted onto the outside of the slide rail 4 through the slots. The three-jaw chuck 2 consists of a chuck body, movable jaws, a small bevel gear, and a large bevel gear. The chuck body is a circular frame. There are usually three movable jaws, which are fitted onto the chuck body. The small bevel gear and the large bevel gear are installed inside the chuck body. The small bevel gear drives the large bevel gear to rotate. The back of the large bevel gear has a flat thread that meshes with the movable jaw. The rotating block 5 is fixedly connected to the end of the small bevel gear.
[0017] Example: The output shaft prototype rod passes through the middle of the three-jaw chuck 2. The output shaft passes through two three-jaw chucks 2. Depending on the length of the output shaft, the operator can start two cylinders 8. The cylinders 8 drive the mounting plate 6 to slide on the slide rail 4 on the machine housing 1, adjusting the distance between the two mounting plates 6 so that the two three-jaw chucks 2 can clamp the output shaft at a suitable distance, improving the stability during processing. The operator passes a hexagonal wrench through the mounting slot 7. The outer wall of the rotating block 5 has a hexagonal hole. The hexagonal wrench engages with the hexagonal hole of the rotating block 5, and the operator uses the wrench to rotate the rotating block 5. The rotating block 5 drives the small bevel gear to rotate, so that the three jaws clamp the output shaft. Then, the motor 3 starts, driving the drive wheel 9 to rotate. The drive wheel 9 drives the driven wheel 10 to rotate. The driven wheel 10 drives the three-jaw chuck 2 to rotate. The three-jaw chuck 2 drives the output shaft to rotate, so that both ends of the output shaft can rotate simultaneously and be processed.
[0018] It should be noted that the parts not covered in this utility model are the same as or can be implemented using existing technology; the various drives in this utility model can be implemented by corresponding power structures such as cylinders, oil cylinders, electric cylinders, and motors in conjunction with connecting rods, guide rods, etc., and are not limited to the structures described in the specification and the drawings.
[0019] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A bidirectional spindle clamp for output shaft machining, comprising a housing (1) and two clamping assemblies symmetrically mounted at both ends of the housing (1), characterized in that: The clamping assembly includes a three-jaw chuck (2), a cylinder (8), and a mounting plate (6). The cylinder (8) is fixedly installed on the bottom inner wall of the housing (1). The mounting plate (6) is embedded in one end of the housing (1). The output end of the cylinder (8) is fixedly connected to the mounting plate (6). The three-jaw chuck (2) is movably installed on the outer wall of the mounting plate (6). Three rotating blocks (5) are movably installed on the edge of the three-jaw chuck (2). Two mounting slots (7) are symmetrically opened on one side of the outer wall of the housing (1). The opening position of the mounting slot (7) corresponds to one of the rotating blocks (5) of the three-jaw chuck (2).
2. The bidirectional spindle clamp for output shaft machining according to claim 1, characterized in that: The outer wall of the mounting plate (6) has a hole, and a driven wheel (10) is provided in the hole. A central tube is fixedly installed at the center of the driven wheel (10). The outer wall of the central tube of the driven wheel (10) is connected to the inner wall of the hole by a bearing. The end of the central tube of the driven wheel (10) is fixedly connected to one side of the outer wall of the three-jaw chuck (2). The driven wheel (10) is installed on the side of the mounting plate (6) away from the three-jaw chuck (2).
3. The bidirectional spindle clamp for output shaft machining according to claim 2, characterized in that: The mounting plate (6) has a drive wheel (9) rotatably mounted on the outer wall of the side away from the three-jaw chuck (2). The mounting plate (6) has a motor (3) fixedly mounted on the outer wall of the side where the three-jaw chuck (2) is mounted. The output end of the motor (3) passes through the mounting plate (6) and is fixedly connected to the center of the drive wheel (9). The drive wheel (9) and the driven wheel (10) are both transmission gears and their teeth are meshed.
4. The bidirectional spindle clamp for output shaft machining according to claim 1, characterized in that: The bottom inner wall of the housing (1) is fixedly installed with a slide rail (4), and the bottom of the two mounting plates (6) is provided with slots. The two mounting plates (6) are sleeved on the outside of the slide rail (4) through the slots.
5. The bidirectional spindle clamp for output shaft machining according to claim 1, characterized in that: The three-jaw chuck (2) consists of a chuck body, movable jaws, a small bevel gear and a large bevel gear. The chuck body is a circular frame. There are usually three movable jaws that are fitted together on the chuck body. The small bevel gear and the large bevel gear are installed inside the chuck body. The small bevel gear drives the large bevel gear to rotate. The back of the large bevel gear is provided with a planar thread that meshes with the movable jaws. The rotating block (5) is fixedly connected to the end of the small bevel gear.