A double-axis ball screw

Abstract

The utility model relates to a dual-optical axis ball screw, including a ball nut, a ball screw, and a parallel adjustment structure. The ball nut and the ball screw are respectively provided with two groups, and the two groups of ball screws are respectively connected to the two groups of ball nut. The two groups of ball nut are respectively connected to the two ends of the parallel adjustment structure, and the ball nut can be adjusted at both ends of the parallel adjustment structure. The utility model optimizes the setting of the dual-optical axis ball screw, changes the traditional design of using multiple groups of optical axis screws in combination, and improves it into a combined structure that can adjust the spacing and position of the screws. The adjustment method is simple, the adaptation range is wide, and it is suitable for popularization and use.

Description

Technical Field

[0001] The utility model relates to the field of optical axis ball screws, in particular to a double optical axis ball screw. Background Art

[0002] A ball screw is an ideal product for converting rotary motion into linear motion, or converting linear motion into rotary motion. Dual-axis screws and multi-axis screws can be designed according to usage requirements to meet usage conditions. When two groups of optical-axis screws are used in combination, a separate optical-axis screw fixing structure is required, which occupies more space. During production, the fixing structure needs to be customized according to the conditions, which affects the adaptability of the optical-axis screw. For this purpose, a dual-axis ball screw is designed. Utility Model Content

[0003] The purpose of the utility model is to provide a dual-axis ball screw to solve the above technical problems. To achieve the above purpose, the utility model adopts the following technical solutions:

[0004] A dual-axis ball screw comprises a ball nut, a ball screw and a parallel adjustment structure. The ball nut and the ball screw are respectively provided in two groups, the two groups of ball screws are respectively connected to the two groups of ball nut parts, the two groups of ball nut parts are respectively connected to the two ends of the parallel adjustment structure, and the ball nut parts can be adjusted at the two ends of the parallel adjustment structure.

[0005] On the basis of the above technical scheme, the ball nut component is composed of a ball nut and a length adjustment plate, the ball nut is arranged at the outer end of the length adjustment plate, and the side of the length adjustment plate is provided with length adjustment teeth, and the parallel adjustment structure is composed of a parallel turntable, a length adjustment plug, an adjustment component, and a center locking bolt. The parallel turntable and the length adjustment plug are respectively provided with two groups, and the two groups of length adjustment plugs are respectively arranged on one side of the two groups of parallel turntables. The two groups of parallel turntables are fixed by the center locking bolt, and the adjustment component is arranged on the side of the outer end of the length adjustment plug, the length adjustment plate is inserted in the length adjustment plug, and the length adjustment teeth on the side of the length adjustment plate are meshed and connected with the adjustment component.

[0006] Based on the above technical solution, a component connection hole is provided on the side edge of the side end of the length adjustment insert, and an engaging ring tooth groove is provided on the side edge of the component connection hole. The adjustment component is connected in the component connection hole, and the inner side of the side end of the adjustment component is engaged with the engaging ring tooth groove.

[0007] On the basis of the above technical scheme, the adjusting component is composed of a spline rod, an adjusting gear, a spline core adjusting wheel, a spring end plate, and an internal pressure spring, the adjusting gear is arranged on the outside of the side end of the spline rod of the component, and the spring end plate is arranged on one side end of the spline rod of the component, the spline rod of the component, the adjusting gear, and the spring end plate are fixed as a whole, the internal pressure spring is sleeved on the outside of the spline rod of the component, and one end of the internal pressure spring is tightly attached to the spring end plate, the spline core adjusting wheel is connected to the outside of the spline rod of the component, and the spline core adjusting wheel can slide on the outside of the spline rod of the component, the other end of the internal pressure spring is tightly attached to the side of the spline core adjusting wheel, and the other side of the spline core adjusting wheel is provided with meshing ring teeth, the spline rod of the component is inserted and connected in the connecting hole of the component, and the spline rod of the component can rotate in the connecting hole of the component, the meshing ring teeth are meshed and contacted with the meshing ring tooth grooves, and the adjusting gear is meshed and connected with the length adjustment teeth on the side of the length adjustment plate.

[0008] Compared with the prior art, the utility model has the following advantages: the utility model optimizes the setting of the dual-optical axis ball screw, changes the traditional design of using multiple sets of optical axis screws in combination, and improves it into a combined structure that can adjust the screw spacing and position. The adjustment method is simple, the adaptation range is wide, and it is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a diagram of the overall appearance of the utility model.

[0010] Figure 2 It is a detailed schematic diagram of the ball nut and the parallel adjustment structure of the utility model.

[0011] Figure 3 This is a schematic diagram of the split details of the parallel adjustment structure of the utility model.

[0012] Figure 4 It is a schematic diagram of the adjustment component of the utility model.

[0013] In the figure: ball nut 1, ball screw 2, parallel adjustment structure 3, ball nut 4, length adjustment plate 5, length adjustment tooth 6, parallel turntable 7, length adjustment insert 8, adjustment assembly 9, center locking bolt 10, assembly connection hole 11, meshing ring tooth groove 12, assembly spline rod 13, adjustment gear 14, spline core adjustment wheel 15, spring end plate 16, internal pressure spring 17

[0014] Engage with the ring teeth 18. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementations.

[0016] A dual-axis ball screw comprises a ball nut 1, a ball screw 2, and a parallel adjustment structure 3. The ball nut 1 and the ball screw 2 are respectively provided in two groups, the two groups of ball screws 2 are respectively connected to the two groups of ball nut 1, the two groups of ball nut 1 are respectively connected to the two ends of the parallel adjustment structure 3, and the ball nut 1 can be adjusted at the two ends of the parallel adjustment structure 3.

[0017] The ball nut member 1 is composed of a ball nut 4 and a length adjustment plate 5, wherein the ball nut 4 is arranged at the outer end of the length adjustment plate 5, and a length adjustment tooth 6 is arranged on the side of the length adjustment plate 5. The parallel adjustment structure 3 is composed of a parallel turntable 7, a length adjustment insert 8, an adjustment component 9, and a center locking bolt 10. The parallel turntable 7 and the length adjustment insert 8 are respectively provided in two groups, and the two groups of length adjustment inserts 8 are respectively arranged on one side of the two groups of parallel turntables 7, and the two groups of parallel turntables 7 are fixed by the center locking bolt 10. The adjustment component 9 is arranged on the side of the outer end of the length adjustment insert 8, and the length adjustment plate 5 is inserted in the length adjustment insert 8, and the length adjustment tooth 6 on the side of the length adjustment plate 5 is meshed and connected with the adjustment component 9.

[0018] The side end of the length adjustment plug 8 is provided with a component connection hole 11, and the side of the component connection hole 11 is provided with an engaging ring tooth groove 12. The adjustment component 9 is connected in the component connection hole 11, and the inner side of the side end of the adjustment component 9 is in meshing contact with the engaging ring tooth groove 12.

[0019] The adjusting assembly 9 is composed of an assembly spline rod 13, an adjusting gear 14, a spline core adjusting wheel 15, a spring end plate 16, and an internal pressure spring 17. The adjusting gear 14 is arranged on the outer side of the side end of the assembly spline rod 13, and the spring end plate 16 is arranged on one side end of the assembly spline rod 13. The assembly spline rod 13, the adjusting gear 14, and the spring end plate 16 are fixed as a whole. The internal pressure spring 17 is sleeved on the outer side of the assembly spline rod 13, and one end of the internal pressure spring 17 is tightly attached to the spring end plate 16. The spline core adjusting wheel 15 is connected to the assembly The outer side of the spline rod 13, and the spline core adjusting wheel 15 can slide on the outer side of the component spline rod 13, the other end of the internal pressure spring 17 is tightly attached to the side of the spline core adjusting wheel 15, and the other side of the spline core adjusting wheel 15 is provided with an engaging ring tooth 18, the component spline rod 13 is inserted and connected in the component connecting hole 11, and the component spline rod 13 can rotate in the component connecting hole 11, the engaging ring tooth 18 is in meshing contact with the engaging ring tooth groove 12, and the adjusting gear 14 is in meshing connection with the length adjusting tooth 6 on the side of the length adjusting plate 5.

[0020] Working principle of the utility model: the use of the structure is divided into two adjustment processes, one is the angle change adjustment of the length adjustment plug 8 in the parallel adjustment structure 3, and the other is the length adjustment of the length adjustment plate 5.

[0021] The angle change adjustment of the length adjustment plug 8 is carried out during installation. The angle of the length adjustment plug 8 is adjusted according to the use requirements and the installation space, and then the two sets of parallel turntables 7 are fixed by the central locking bolt 10.

[0022] The length adjustment of the length adjustment plate 5 is carried out during the installation process. The installation space and the use position are determined to adjust the spacing of the ball screw 2. The spline core adjustment wheel 15 is pulled toward the spring end plate 16 to slide on the component spline rod 13. After sliding, the spline core adjustment wheel 15 can be rotated to drive the integrated component spline rod 13 and the adjustment gear 14 to rotate. During the rotation, the adjustment gear 14 can be meshed and connected with the length adjustment tooth 6, thereby driving the overall length of the length adjustment plate 5 to change in the length adjustment plug 8. In addition, the ball screw 2 prefabricated and connected with the ball nut 4 at the side end can be adjusted in position. After the adjustment is completed, just loosen the spline core adjustment wheel 15, and the meshing ring teeth 18 on the side of the spline core adjustment wheel 15 can be meshed and contacted with the meshing ring tooth groove 12 to lock it.

[0023] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A dual-axis ball screw, characterized in that: The invention comprises a ball nut member (1), a ball screw (2), and a parallel adjustment structure (3), wherein the ball nut member (1) and the ball screw (2) are respectively provided in two groups, the two groups of ball screws (2) are respectively connected to the two groups of ball nut members (1), the two groups of ball nut members (1) are respectively connected to the two ends of the parallel adjustment structure (3), and the ball nut member (1) can be adjusted at the two ends of the parallel adjustment structure (3).

2. A dual-axis ball screw according to claim 1, characterized in that: The ball nut member (1) is composed of a ball nut (4) and a length adjustment plate (5). The ball nut (4) is arranged at the outer end of the length adjustment plate (5). The side of the length adjustment plate (5) is provided with a length adjustment tooth (6). The parallel adjustment structure (3) is composed of a parallel rotating disk (7), a length adjustment insert (8), an adjustment component (9), and a center locking bolt (10). The parallel rotating disk (7) and the length adjustment insert (8) are respectively provided in two groups. The two groups of length adjustment inserts (8) are respectively arranged on one side of the two groups of parallel rotating disks (7). The two groups of parallel rotating disks (7) are fixed by the center locking bolt (10). The adjustment component (9) is arranged on the side of the outer end of the length adjustment insert (8). The length adjustment plate (5) is inserted into the length adjustment insert (8), and the length adjustment tooth (6) on the side of the length adjustment plate (5) is meshed and connected with the adjustment component (9).

3. A dual-axis ball screw according to claim 2, characterized in that: The side edge of the side end of the length adjustment plug (8) is provided with a component connection hole (11), and the side edge of the component connection hole (11) is provided with an engaging ring tooth groove (12); the adjustment component (9) is connected in the component connection hole (11), and the inner side of the side end of the adjustment component (9) is in meshing contact with the engaging ring tooth groove (12).

4. A dual-axis ball screw according to claim 3, characterized in that: The adjustment component (9) is composed of a component spline rod (13), an adjustment gear (14), a spline core adjustment wheel (15), a spring end plate (16), and an internal pressure spring (17). The adjustment gear (14) is arranged on the outside of the side end of the component spline rod (13). The spring end plate (16) is arranged on one side end of the component spline rod (13). The component spline rod (13), the adjustment gear (14), and the spring end plate (16) are fixed as a whole. The internal pressure spring (17) is sleeved on the outside of the component spline rod (13), and one end of the internal pressure spring (17) is tightly attached to the spring end plate (16). The spline core adjustment wheel (15) is connected to the The outer side of the component spline rod (13), and the spline core adjustment wheel (15) can slide on the outer side of the component spline rod (13), the other end of the internal pressure spring (17) is tightly attached to the side of the spline core adjustment wheel (15), and the other side of the spline core adjustment wheel (15) is provided with an engagement ring tooth (18), the component spline rod (13) is inserted and connected in the component connection hole (11), and the component spline rod (13) can rotate in the component connection hole (11), the engagement ring tooth (18) is in meshing contact with the engagement ring tooth groove (12), and the adjustment gear (14) is in meshing connection with the length adjustment tooth (6) on the side of the length adjustment plate (5).

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