Ball screw bearing for robot

Abstract

The ball screw bearing for the robot comprises a lead screw, a bearing seat is installed on the outer side of the middle of the lead screw, screws are arranged on the end walls of the four corners of the upper end of the bearing seat in a penetrating mode, the left end and the right end of the bearing seat are each provided with a mounting mechanism, and screws are arranged on the side walls of the first end and the second end of the lead screw in a penetrating mode. An inner opening is formed in the lead screw, and a penetrating and connecting mechanism is arranged on the end side of the inner opening. The matching plate and the penetrating strip are fixed to form a whole, in the using process, through sliding of the sliding block and the sliding groove, the sliding block slides in the length direction of the sliding groove, the miniature lead screw rotates, the sliding block is used for driving the sliding block to move, the position of the sliding block can be controlled and adjusted, and the penetrating hole is formed, so that the flexibility is higher in the using process, and the penetrating hole can be aligned with preset holes in robot parts of different sizes; and then a bolt piece is connected in a penetrating manner for connection.

Description

Technical Field

[0001] The utility model relates to the technical field of ball screw bearings, in particular to a ball screw bearing for a robot. Background Art

[0002] Ball screw bearings are components used for transmission. A transmission structure is configured on the robot, which includes a ball screw bearing. The ball screw and the bearing are transmitted to each other to transmit the displacement of the bearing parts. The bearing parts are used to connect with the lifting parts of the robot. The bearing displacement driven by the ball screw transmits the parts of the robot.

[0003] When the ball screw bearing is in use, the bearing will be connected to the lifting part on the robot, so that holes will be opened on the bearing part for passing bolts to connect the bearing part and the spare parts on the robot. However, due to the wide variety of robots with different sizes and different sizes of parts, the position requirements of the connecting holes are different. Now the preset holes on the bearing part are integrated on the plate, and the plate is movably connected to the main board and driven to move by the threaded rod. At the same time, the main board and the bearing part are movably connected, so that the position of the plate can be flexibly moved, and then the position of the hole on the plate can be controlled and adjusted, so as to facilitate alignment and matching with parts on robots of different sizes, and then pass bolts for positioning and connection.

[0004] Therefore, those skilled in the art provide a ball screw bearing for a robot to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide a ball screw bearing for a robot to solve the problems raised in the above-mentioned background technology.

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

[0007] A ball screw bearing for a robot, comprising: a screw, a bearing seat is installed on the outer side of the middle part of the screw, screws are pierced through the end walls of the four corners of the upper end of the bearing seat, mounting mechanisms are arranged at both ends of the left and right ends of the bearing seat, screws are pierced through the side walls of the first and second ends of the screw, an inner opening is opened inside the screw, and a connection mechanism is arranged at the end side of the inner opening;

[0008] and, a threading mechanism disposed inside the inner opening;

[0009] The penetration mechanism comprises: a penetration disk movably connected to the inner opening, a penetration column fixed to the penetration disk, and a disk hole penetrated through the end wall of the penetration disk.

[0010] As a further solution of the utility model: the mounting mechanism includes a matching plate, a wear strip, a slide groove, a screw rod, a slider and a through hole, and a wear strip is installed on the end wall of the matching plate close to the bearing seat, the end wall of the matching plate is provided with a slide groove, and a slider is installed on the inner side of the slide groove, a screw rod is penetrated in the middle of the slider, and the end wall of the slider is penetrated with a through hole.

[0011] As a further solution of the utility model: the matching plates and the threading strips are fixedly connected, and the number of the threading strips is twice the number of the matching plates, and the screw rod and the slider are threadedly connected.

[0012] As a further solution of the utility model: the matching plate forms a sliding structure through a sliding groove and a sliding block, and the matching plate and the screw rod are rotationally connected.

[0013] As a further solution of the utility model: the bearing seat and the wear strip are movably connected, and the wear strip is symmetrically distributed about the center of the bearing seat.

[0014] As a further solution of the utility model: the bearing seat and the screws are threadedly connected, and four screws are provided.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. It is fixed by matching plates and wearing strips to form an integral whole. When in use, the slider slides through the slider and the slide groove, allowing the slider to slide along the length direction of the slide groove. The micro screw rotates to drive the slider to move. The position-controllable and adjustable slider and perforation are more flexible when in use. The perforation can be aligned with the preset holes on robot parts of different sizes, and then the bolts are inserted to connect.

[0017] 2. Through the activity between the bearing seat and the wear strip, the wear strip is moved along the horizontal direction of the bearing seat to change the position of the wear strip and the matching plate, so as to facilitate further adjustment of the matching plate, the slider and the perforation position, and make the slider and the perforation more flexible when used. At the same time, tighten the screws to lock the wear strip after the limit adjustment position. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the structure of a ball screw bearing for a robot.

[0019] Figure 2 The figure is a three-dimensional structural schematic diagram of a threading mechanism in a ball screw bearing for a robot.

[0020] Figure 3 The present invention is a three-dimensional structural schematic diagram of a ball screw bearing mounting mechanism for a robot.

[0021] Figure 4 The figure is a schematic diagram of the three-dimensional structure of a slider in a ball screw bearing for a robot.

[0022] In the figure: 1. lead screw; 2. bearing seat; 3. screw; 4. mounting mechanism; 5. matching plate; 6. threading strip; 7. slide groove; 8. lead screw; 9. slider; 10. through hole; 11. screw; 12. inner mouth; 13. connecting mechanism; 14. through disk; 15. through column; 16. disk hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 to Figure 4 In the embodiment of the utility model, a ball screw bearing for a robot comprises: a screw 1, a bearing seat 2 is installed on the outer side of the middle part of the screw 1, screws 3 are pierced through the four corner end walls of the upper end of the bearing seat 2, mounting mechanisms 4 are arranged on the left and right ends of the bearing seat 2, screws 11 are pierced through the side walls of the first and second ends of the screw 1, an inner opening 12 is opened inside the screw 1, and a connection mechanism 13 is arranged on the end side of the inner opening 12;

[0025] and, a threading mechanism 13 disposed inside the inner opening 12;

[0026] The threading mechanism 13 includes: a threading disc 14 movably connected to the inner opening 12, a threading column 15 fixed to the threading disc 14, and a disc hole 16 formed through the end wall of the threading disc 14;

[0027] The mounting mechanism 4 includes a matching plate 5, a wear strip 6, a slide groove 7, a screw rod 8, a slider 9 and a through hole 10, and the matching plate 5 is installed with a wear strip 6 on the end wall close to the bearing seat 2, the end wall of the matching plate 5 is provided with a slide groove 7, and a slider 9 is installed on the inner side of the slide groove 7, the middle of the slider 9 is penetrated with a screw rod 8, and the end wall of the slider 9 is penetrated with a through hole 10, the matching plate 5 and the wear strip 6 are fixedly connected, and the number of the wear strip 6 is twice the number of the matching plate 5, and the screw rod 8 and the slider 9 are threadedly connected, and the matching plate 5 is connected through the slide groove. 7 and the slider 9 form a sliding structure, and the matching plate 5 and the screw rod 8 are rotatably connected and fixed by the matching plate 5 and the wear strip 6 to form an integral body. When in use, the slider 9 and the slide groove 7 slide, and the slider 9 slides along the length direction of the slide groove 7. The miniature screw rod 8 rotates to drive the slider 9 to move. The position-controllable and adjustable slider 9 and the perforation 10 are more flexible when in use. The perforation 10 can be aligned with the preset holes on robot parts of different sizes, and then the bolt parts are passed through for connection.

[0028] The bearing seat 2 and the wear strip 6 are movably connected, and the wear strip 6 is symmetrically distributed about the center of the bearing seat 2. The bearing seat 2 and the wear strip 6 are movable, so that the wear strip 6 can be moved along the horizontal direction of the bearing seat 2, and the position of the wear strip 6 and the matching plate 5 can be changed, so as to facilitate further adjustment of the matching plate 5 and the position of the slider 9 and the through hole 10, so that the slider 9 and the through hole 10 are more flexible when used. At the same time, the screw 3 is tightened to lock the wear strip 6 after the limit adjustment position.

[0029] The bearing seat 2 and the screw 3 are threadedly connected, and four screws 3 are provided. The bearing seat 2 and the lead screw 1 are driven to move the bearing seat 2, and the inner opening 12 of the lead screw 1 is used for sliding the through-column 15, so that the through-column 15 is displaced along the axial direction of the inner opening 12, and the position of the through-disk 14 is adjusted, so that the through-disk 14 with controllable and adjustable position can be connected with the bolt parts through the disk hole 16, and it is more convenient to connect with the robot motor transmission parts. At the same time, tighten the screw 11 to lock the through-column 15 after the limit adjustment position.

[0030] The working principle of the utility model is:

[0031] When using the utility model, the matching plate 5 and the wear strip 6 are fixed to form an integral body. When in use, the slider 9 and the slide groove 7 slide, and the slider 9 slides along the length direction of the slide groove 7. The micro screw 8 rotates to drive the slider 9 to move. The position-controllable and adjustable slider 9 and the perforation 10 are more flexible when in use. The perforation 10 can be aligned with the preset holes on robot parts of different sizes, and then the bolts are passed through to connect;

[0032] Through the mutual movement between the bearing seat 2 and the wear strip 6, the wear strip 6 is moved along the horizontal direction of the bearing seat 2, and the position of the wear strip 6 and the matching plate 5 is changed, so as to facilitate further adjustment of the matching plate 5 and the position of the slider 9 and the through hole 10, so that the slider 9 and the through hole 10 are more flexible when used, and at the same time, the screw 3 is tightened to lock the wear strip 6 after the limit adjustment position;

[0033] The bearing seat 2 is driven by the lead screw 1, and the bearing seat 2 is displaced by the lead screw 1. The inner opening 12 of the lead screw 1 is used for sliding the through-column 15, so that the through-column 15 is displaced along the axial direction of the inner opening 12, and the position of the through-disk 14 is adjusted, so that the through-disk 14 with controllable and adjustable position can be connected with the robot motor transmission parts through the disk hole 16 through the bolt parts, and it is more convenient to connect. At the same time, tighten the screw 11 to lock the through-column 15 after the limit adjustment position.

[0034] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A ball screw bearing for a robot, characterized in that: include: A lead screw (1), a bearing seat (2) is installed on the outer side of the middle part of the lead screw (1), screws (3) are inserted into the four corner end walls of the upper end of the bearing seat (2), mounting mechanisms (4) are arranged at the left and right ends of the bearing seat (2), screws (11) are inserted into the side walls of the first and second ends of the lead screw (1), an inner opening (12) is opened inside the lead screw (1), and a connection mechanism (13) is arranged at the end side of the inner opening (12); and, a threading mechanism (13) disposed inside the inner opening (12); The penetration mechanism (13) comprises: a penetration disk (14) movably connected to the inner opening (12), a penetration column (15) fixed to the penetration disk (14), and a disk hole (16) penetrated through the end wall of the penetration disk (14).

2. A ball screw bearing for a robot according to claim 1, characterized in that: The mounting mechanism (4) comprises a matching plate (5), a wear strip (6), a slide groove (7), a screw rod (8), a slider (9) and a through hole (10), and a wear strip (6) is installed on the end wall of the matching plate (5) close to the bearing seat (2), a slide groove (7) is opened on the end wall of the matching plate (5), and a slider (9) is installed on the inner side of the slide groove (7), a screw rod (8) is penetrated in the middle of the slider (9), and a through hole (10) is penetrated on the end wall of the slider (9).

3. A ball screw bearing for a robot according to claim 2, characterized in that: The matching plate (5) and the threading strip (6) are fixedly connected, and the number of the threading strips (6) is twice the number of the matching plate (5). At the same time, the screw rod (8) and the slider (9) are threadedly connected.

4. A ball screw bearing for a robot according to claim 2, characterized in that: The matching plate (5) forms a sliding structure through a sliding groove (7) and a sliding block (9), and the matching plate (5) and the screw rod (8) are rotationally connected.

5. The ball screw bearing for a robot according to claim 1, characterized in that: The bearing seat (2) and the wear strip (6) are movably connected, and the wear strip (6) is symmetrically distributed about the center of the bearing seat (2).

6. The ball screw bearing for a robot according to claim 1, characterized in that: The bearing seat (2) and the screw (3) are threadedly connected, and four screws (3) are provided.

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