Spline shaft milling device

Abstract

The utility model discloses a spline shaft milling device which comprises a machine tool, one end of the machine tool is provided with a machine tool spindle, the machine tool spindle is connected with a three-jaw chuck, the machine tool is in limited sliding connection with three groups of sliding blocks, the bottom end of each group of sliding blocks is coaxially provided with a clamp corresponding to the three-jaw chuck, and each group of sliding blocks can linearly move through a driving assembly. The three-jaw chuck is used for clamping workpieces, the clamps coaxial with the three-jaw chuck are used for auxiliary clamping, the driving assembly can be used for driving the sliding block to move, the clamps can be driven to linearly move, the positions of the clamps can be adjusted, and the positions of the three clamps can be conveniently adjusted according to the workpieces with different lengths for adaptation; according to the spline shaft milling clamp, the auxiliary clamping effect is guaranteed, adaptation can be conducted according to the length of a workpiece, adaptability is high, the spline shaft milling clamp can be conveniently used for workpieces of different lengths, the auxiliary fixing effect can be achieved, impact on a main shaft during spline shaft milling can be effectively reduced, and the main shaft can be protected.

Description

Technical Field

[0001] This utility model relates to the field of milling equipment technology, specifically a spline shaft milling device. Background Technology

[0002] The rotational accuracy of a machine tool spindle is a crucial component of machine tool machining accuracy. It is influenced by various factors, including the manufacturing and assembly quality of the spindle and bearings, the spindle's bending stiffness, the bearing's stiffness and damping, and the spindle's lubrication condition. During long-term machining, improper gear-cutting mechanism, such as excessive driving force, excessive driving speed, or inaccurate driving direction, can generate additional loads and impacts on the spindle, leading to wear, deformation, or loosening, and consequently affecting the spindle's rotational accuracy.

[0003] Therefore, additional fixtures are usually added to assist in reducing the impact on the spindle during spline shaft milling. However, the length of the fixture is usually fixed, while the length of the workpiece may vary. If the fixture is too long and the workpiece is too short, interference will occur, which will affect the spline shaft milling. To address this, we propose a spline shaft milling device. Utility Model Content

[0004] The purpose of this invention is to provide a spline shaft milling device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a spline shaft milling device, including a machine tool, a machine tool spindle is provided at one end of the machine tool, a three-jaw chuck is connected to the machine tool spindle, and three sets of sliders are slidably connected to the machine tool. The bottom end of each set of sliders is coaxially provided with a clamp corresponding to the three-jaw chuck, and each set of sliders can be linearly moved by a drive component.

[0006] Preferably, the drive assembly includes a connecting seat, a motor, a gear, a rack, and a first support member. The connecting seat is installed at one end of each set of sliders, the motor is installed at the top of the connecting seat, the output end of the motor passes through the connecting seat and is connected to the gear, the gear meshes with the rack, and a set of the first support members is integrally formed at each end of the rack. The two sets of the first support members are connected to the machine tool.

[0007] Preferably, the two ends of the slider are respectively penetrated by two sets of sliding rods, and both sets of sliding rods are connected to the upper end of the machine tool.

[0008] Preferably, the clamp includes clamping blocks and limiting rollers. The two sets of clamping blocks are V-shaped structural components, and the two sets of clamping blocks are arranged in a mirror image. A set of rotatable limiting rollers is installed on each side of the inner cavity.

[0009] Preferably, the opposite sides of the two sets of clamping blocks are each connected to the output end of the electric push rod, the electric push rod is installed at the bottom end of the second support member, and the top end of the second support member is connected to the bottom of the slider.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This utility model utilizes a three-jaw chuck to clamp the workpiece, and uses a coaxially arranged fixture for auxiliary clamping. There are three sets of fixtures, and a drive assembly can move the slider, thus moving the fixtures linearly. The positions of the three sets of fixtures can be adjusted to accommodate workpieces of different lengths. While ensuring effective auxiliary clamping, it can also adapt to the workpiece length. Compared to existing technologies, it has strong adaptability, is convenient for use with workpieces of different lengths, and also serves as an auxiliary fixation mechanism. It effectively reduces the impact on the spindle during spline shaft milling, thus protecting the spindle.

[0012] 2. The motor of this utility model is fixed on the connecting seat. By starting the motor, the gear can be driven to rotate, and the gear can be driven to roll along the rack, which can drive the slider to slide along the slide rod. The position of the slider can be adjusted to move the clamp. The position of the clamp can be adjusted to adapt to workpieces of different lengths.

[0013] 3. The clamping block of this utility model is a V-shaped structure, which is convenient to adapt and clamp according to workpieces of different thicknesses. The installed limiting roller forms line contact with the workpiece, which can achieve a better clamping effect. When the workpiece rotates, it can rotate with it, which is less likely to cause wear on the workpiece. By extending the two sets of electric push rods, the two sets of clamping blocks can be pushed closer to each other, and the workpiece can be clamped in conjunction with the limiting roller. Attached Figure Description

[0014] Figure 1 This is a side front top view of the overall structure of this utility model;

[0015] Figure 2 This is an enlarged view of section A of the structure of this utility model;

[0016] Figure 3 This is a side front sectional view of the overall structure of this utility model;

[0017] Figure 4 This is an enlarged view of section B of the structure of this utility model.

[0018] In the diagram: 1. Machine tool, 2. Machine tool spindle, 3. Three-jaw chuck, 4. Slider, 5. Connecting seat, 6. Motor, 7. Gear, 8. Rack, 9. First support member, 10. Slide rod, 11. Clamping block, 12. Limiting roller, 13. Electric push rod, 14. Second support member. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1

[0021] Please refer to Figure 1-4 As shown, this utility model provides a spline shaft milling device, including a machine tool 1, a machine tool spindle 2 is provided at one end of the machine tool 1, a three-jaw chuck 3 is connected to the machine tool spindle 2, and three sets of sliders 4 are slidably connected to the machine tool 1. The bottom end of each set of sliders 4 is coaxially provided with a clamp corresponding to the three-jaw chuck 3, and each set of sliders 4 can achieve linear movement through a drive component.

[0022] In this embodiment, a three-jaw chuck 3 is used to clamp the workpiece, and a clamping fixture coaxially arranged with it is used for auxiliary clamping. There are three sets of clamping fixtures. The drive component can drive the slider 4 to move, which can drive the clamping fixture to move linearly. The position of the three sets of clamping fixtures can be adjusted to adapt to workpieces of different lengths. While ensuring the effect of auxiliary clamping, it can also be adapted to the length of the workpiece. Compared with the prior art, it has strong adaptability and is convenient for use with workpieces of different lengths. It can also play an auxiliary fixing role, effectively reducing the impact on the spindle during spline shaft milling and protecting the spindle.

[0023] Please refer to Figure 1-4 As shown, the drive assembly includes a connecting seat 5, a motor 6, a gear 7, a rack 8, and a first support member 9. The connecting seat 5 is installed at one end of each set of sliders 4, and the motor 6 is installed at the top of the connecting seat 5. The output end of the motor 6 passes through the connecting seat 5 and is connected to the gear 7. The gear 7 meshes with the rack 8. A first support member 9 is integrally formed at each end of the rack 8. The two sets of first support members 9 are connected to the machine tool 1. The two ends of the slider 4 are respectively penetrated by two sets of slide rods 10. Both sets of slide rods 10 are connected to the upper end of the machine tool 1.

[0024] In this embodiment, the motor 6 is fixed on the connecting seat 5. By starting the motor 6, the gear 7 can be driven to rotate, and the gear 7 can be rolled along the rack 8, which can drive the slider 4 to slide along the slide rod 10. The position of the slider 4 can be adjusted to move the clamp. The position of the three sets of clamps can be adjusted to adapt to workpieces of different lengths.

[0025] Please refer to Figure 1-4As shown, the fixture includes clamping blocks 11 and limiting rollers 12. The two sets of clamping blocks 11 are V-shaped structural components, and the two sets of clamping blocks 11 are arranged in mirror image. Each side of the inner cavity is equipped with a set of rotatable limiting rollers 12. The opposite sides of the two sets of clamping blocks 11 are connected to the output end of the electric push rod 13. The electric push rod 13 is installed at the bottom end of the second support member 14, and the top end of the second support member 14 is connected to the bottom of the slider 4.

[0026] In this embodiment, the clamping block 11 is a V-shaped structure, which is convenient for clamping workpieces of different thicknesses. The installed limiting roller 12 forms line contact with the workpiece, which can achieve a better clamping effect. When the workpiece rotates, it can rotate with it, which is less likely to cause wear on the workpiece. By extending the two sets of electric push rods 13, the two sets of clamping blocks 11 can be pushed closer to each other, and the workpiece can be clamped in conjunction with the limiting roller 12.

[0027] Working principle: First, starting the motor 6 drives the gear 7 to rotate, causing the gear 7 to roll along the rack 8, which in turn drives the slider 4 to slide along the slide rod 10. Adjusting the position of the slider 4 can move the second support 14, which in turn moves the clamp. It can be adjusted and adapted to workpieces of different lengths. The clamping block 11 is a V-shaped structure, which is convenient for clamping workpieces of different thicknesses. The installed limiting roller 12 forms line contact with the workpiece, which can achieve a better clamping effect. When the workpiece rotates, it can rotate with it, which can reduce wear on the workpiece. By extending the two sets of electric push rods 13, the two sets of clamping blocks 11 can be pushed closer to each other, and the workpiece can be clamped in conjunction with the limiting roller 12.

[0028] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A spline shaft milling device, comprising a machine tool (1), characterized in that: One end of the machine tool (1) is provided with a machine tool spindle (2), the machine tool spindle (2) is connected to a three-jaw chuck (3), the machine tool (1) is limited and slidably connected with three sets of sliders (4), the bottom end of each set of sliders (4) is coaxially provided with a clamp corresponding to the three-jaw chuck (3), and each set of sliders (4) can achieve linear movement through a drive component.

2. The spline shaft milling device according to claim 1, characterized in that: The drive assembly includes a connecting seat (5), a motor (6), a gear (7), a rack (8), and a first support member (9). The connecting seat (5) is installed at one end of each set of sliders (4), and the motor (6) is installed at the top of the connecting seat (5). The output end of the motor (6) passes through the connecting seat (5) and is connected to the gear (7). The gear (7) meshes with the rack (8). Each end of the rack (8) has an integrally formed first support member (9). The two sets of first support members (9) are connected to the machine tool (1).

3. The spline shaft milling device according to claim 2, characterized in that: The two ends of the slider (4) are respectively connected by two sets of slide rods (10), and both sets of slide rods (10) are connected to the upper end of the machine tool (1).

4. The spline shaft milling device according to claim 1, characterized in that: The clamp includes clamping blocks (11) and limiting rollers (12). The two sets of clamping blocks (11) are V-shaped structural components. The two sets of clamping blocks (11) are arranged in a mirror image, and a set of rotatable limiting rollers (12) is installed on each side of their inner cavity.

5. A spline shaft milling device according to claim 4, characterized in that: The opposite sides of the two sets of clamps (11) are each connected to the output end of the electric push rod (13), which is installed at the bottom end of the second support (14), and the top end of the second support (14) is connected to the bottom of the slider (4).

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