Surgical robot flange and shaft assembly concentricity testing fixture

Abstract

The utility model discloses an assembly concentricity testing fixture for a flange and a shaft of a surgical robot, and belongs to the technical field of surgical robot detection. A flange and shaft assembling concentricity testing fixture for a surgical robot comprises a mounting ring and a dial indicator, and is characterized by further comprising a butt joint ring arranged at the bottom of the mounting ring, the outer wall of the butt joint ring is coupled with the inner wall of a flange groove, and an adjusting support is fixedly connected to the edge of the top of the mounting ring. The free end of the adjusting support is fixedly connected with a connector, and the dial indicator is detachably connected to the connector. The flange is in butt joint with the butt joint ring, the center penetrating shaft penetrates through the butt joint ring and the installation ring, the position of the dial indicator is adjusted through the adjusting support, then a probe of the dial indicator is attached to the center penetrating shaft, then the flange is rotated, the center penetrating shaft is driven to rotate, the center penetrating shaft is detected through the dial indicator, and the angle of the center penetrating shaft is adjusted. The installation precision of the penetrating shaft and the flange is improved, and then the precision and safety of an operation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical robot detection, in particular to an assembly concentricity detection tool for a surgical robot flange and a shaft. Background Art

[0002] Surgical robot modules refer to modular components used in surgical robot systems. These modules include various sensors, actuators, control systems, image processing systems, etc., which are used to realize various functions of surgical robots. Surgical robot modules are usually designed to be interchangeable and upgradeable so that they can be customized and configured according to different surgical needs. This modular design can make the surgical robot system more flexible and reliable, and also facilitate maintenance and upgrades. Through different module combinations, surgical robots can complete various complex surgical operations and improve the accuracy and safety of surgery.

[0003] The through-shaft and flange in the surgical robot module were originally made of one piece, but since the one-piece workpiece would increase the weight of the robot arm and the cost, the flange was made of aluminum. Figure 2 As shown, a groove is provided on the upper end surface of the flange, and the through-shaft is made of steel. The two parts need to be assembled together and they need to be completely coaxial. In order to improve the assembly accuracy, a surgical robot flange and shaft assembly concentricity inspection fixture is designed, which can detect the circumferential fit of the flange and the fit of the center axis. Utility Model Content

[0004] The utility model is to solve the problem of low assembly precision of a through-core shaft and a flange in the prior art, and proposes an assembly concentricity inspection tool for a surgical robot flange and a shaft.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A surgical robot flange and shaft assembly concentricity inspection tool, comprising a mounting ring and a micrometer, characterized in that it also includes a docking ring arranged at the bottom of the mounting ring, the outer wall of the docking ring is coupled to the inner wall of the flange groove, the top edge of the mounting ring is fixedly connected to an adjustment bracket, the free end of the adjustment bracket is fixedly connected to a connector, and the micrometer is detachably connected to the connector.

[0007] In order to improve the detection speed, preferably, the docking ring is fixedly connected to the bottom of the mounting ring, and the docking ring is loosely matched with the flange.

[0008] In order to improve the detection accuracy, preferably, the docking ring is rotatably connected to the bottom of the mounting ring, and the docking ring is interference fit with the flange.

[0009] In order to improve the detection accuracy, further, the inner and outer sides of the bottom of the docking ring are both provided with bevel edges.

[0010] Preferably, the lengths of the hypotenuses a and b are both 1-2 mm.

[0011] In order to facilitate replacement, preferably, a notch is provided on the connector, and the micrometer is inserted into the notch.

[0012] For the convenience of adjustment, preferably, the connector is rotatably connected to an adjusting knob, an adjusting rod is fixedly connected to the adjusting knob, and the adjusting rod is provided with an external thread that is threadedly connected to one side of the connector.

[0013] To facilitate adjustment, the adjustment bracket further includes: a first mounting rod fixedly connected to the top edge position of the mounting ring, a second mounting rod rotatably connected to the first mounting rod, wherein a fastening knob for fixing the second mounting rod is threadedly connected to the first mounting rod, and a plurality of groups of blocks are equidistantly arranged in a circle at the end of the second mounting rod, a fastening nut is threadedly connected to the block, and when the fastening nut is rotated, the plurality of groups of blocks are retracted or separated; a third mounting rod fixedly connected to the connecting head, a ball head being fixedly connected to one end of the third mounting rod, and the ball head is hingedly matched with the block.

[0014] Compared with the prior art, the utility model provides a concentricity inspection tool for assembling the flange and shaft of a surgical robot, which has the following beneficial effects:

[0015] 1. The concentricity inspection tool for the assembly of the flange and the shaft of the surgical robot is to connect the flange with the docking ring, pass the through-mandrel through the docking ring and the mounting ring, adjust the position of the dial gauge by adjusting the bracket, and then put the probe of the dial gauge against the through-mandrel, and then rotate the flange to drive the through-mandrel to rotate. The through-mandrel is inspected by the dial gauge, and the angle of the through-mandrel is adjusted to improve the installation accuracy of the through-mandrel and the flange, thereby improving the accuracy and safety of the operation;

[0016] 2. The concentricity inspection tool for the assembly of the flange and the shaft of the surgical robot can avoid the stability when rotating the flange through interference fit, thereby further improving the inspection accuracy and product quality;

[0017] 3. The assembly concentricity inspection fixture of the surgical robot flange and shaft can improve the alignment speed of the docking ring and the flange through the bevel edge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structure diagram of a surgical robot flange and shaft assembly concentricity inspection tool proposed in the utility model Figure 1 ;

[0019] Figure 2A three-dimensional structure diagram of a surgical robot flange and shaft assembly concentricity inspection tool proposed in the utility model Figure 2 ;

[0020] Figure 3 A three-dimensional structure diagram of a surgical robot flange and shaft assembly concentricity inspection tool proposed in the utility model Figure 3 ;

[0021] Figure 4 This is a structural schematic diagram of a docking ring of a surgical robot flange and shaft assembly concentricity inspection tool proposed by the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the structure of an adjusting rod of an assembly concentricity inspection tool for a surgical robot flange and a shaft.

[0023] In the figure: 1. mounting ring; 2. first mounting rod; 3. second mounting rod; 4. tightening knob; 5. clamping block; 6. tightening nut; 7. ball head; 8. third mounting rod; 9. connector; 10. adjusting knob; 11. micrometer; 12. docking ring; 13. adjusting rod; 14. external thread. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Embodiment 1:

[0027] Reference Figure 1-Figure 3 and Figure 5, including a mounting ring 1 and a micrometer 11, and also including a docking ring 12 arranged at the bottom of the mounting ring 1, the outer wall of the docking ring 12 is coupled with the inner wall of the flange groove, the docking ring 12 is fixedly connected to the bottom of the mounting ring 1, the docking ring 12 and the flange are clearance-matched, and an adjustment bracket is fixedly connected to the top edge of the mounting ring 1, and the adjustment bracket includes: a first mounting rod 2 fixedly connected to the top edge of the mounting ring 1, and a second mounting rod 3 is rotatably connected to the first mounting rod 2, wherein a fastening knob 4 for fixing the second mounting rod 3 is threadedly connected to the first mounting rod 2, and a plurality of groups of blocks are arranged equidistantly on the end of the second mounting rod 3 in a circumferential manner. 5. A fastening nut 6 is threadedly connected to the block 5. When the fastening nut 6 is rotated, the multiple groups of blocks 5 are retracted or separated; a third mounting rod 8 is fixedly connected to the connecting head 9, one end of the third mounting rod 8 is fixedly connected to a ball head 7, the ball head 7 is hingedly matched with the block 5, the free end of the adjustment bracket is fixedly connected to the connecting head 9, the micrometer 11 is detachably connected to the connecting head 9, a notch is provided on the connecting head 9, the micrometer 11 is inserted into the notch, the connecting head 9 is rotatably connected to an adjusting knob 10, the adjusting knob 10 is fixedly connected to an adjusting rod 13, and the adjusting rod 13 is provided with an external thread 14 threadedly connected to one side of the connecting head 9.

[0028] When in use, dock the flange with the docking ring 12, pass the through-axis through the docking ring 12 and the mounting ring 1, loosen the tightening knob 4, adjust the angle of the second mounting rod 3, tighten the tightening knob 4 after the angle is adjusted, fix the second mounting rod 3, loosen the tightening nut 6, adjust the third mounting rod 8, and then tighten the tightening nut 6 to fix the third mounting rod 8, turn the adjusting knob 10, adjust the width of the slot, and then facilitate the replacement and fixation of the micrometer 11, then attach the probe of the micrometer 11 to the through-axis, and then rotate the flange to drive the through-axis to rotate, use the micrometer 11 to detect the through-axis, and during the detection, adjust the angle of the through-axis to improve the installation accuracy of the through-axis and the flange.

[0029] Embodiment 2:

[0030] Reference Figure 1-Figure 5 , a surgical robot flange and shaft assembly concentricity inspection tool, which is basically the same as the first embodiment, and further, the docking ring 12 is rotatably connected to the bottom of the mounting ring 1, the docking ring 12 and the flange are interference fit, and the inner and outer sides of the bottom of the docking ring 12 are provided with bevels, the length of the bevel a is 1-2mm, and the length of the bevel b is 1-2mm. Here, when a is 1mm, b can be any value in the range of 1-2mm. Similarly, b is also true for a. The purpose is to increase the alignment speed of the docking ring 12 and the flange through the bevel.

[0031] When in use, the flange is butted against the butt ring 12. Under the interference fit, the flange will not shake, thereby being more stable. When rotating, the through-shaft will also be more stable, thereby further improving the detection accuracy and enhancing the product quality.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concentricity inspection tool for assembling flange and shaft of a surgical robot, comprising a mounting ring (1) and a micrometer (11), characterized in that: It also includes a docking ring (12) arranged at the bottom of the mounting ring (1), the outer wall of the docking ring (12) is coupled to the inner wall of the flange groove, an adjustment bracket is fixedly connected to the top edge of the mounting ring (1), the free end of the adjustment bracket is fixedly connected to a connector (9), and the micrometer (11) is detachably connected to the connector (9).

2. The concentricity inspection tool for assembling flange and shaft of a surgical robot according to claim 1, characterized in that: The docking ring (12) is fixedly connected to the bottom of the mounting ring (1), and the docking ring (12) is loosely matched with the flange.

3. The concentricity inspection tool for assembling flange and shaft of a surgical robot according to claim 1, characterized in that: The docking ring (12) is rotatably connected to the bottom of the mounting ring (1), and the docking ring (12) is interference fit with the flange.

4. The concentricity inspection tool for assembling flange and shaft of a surgical robot according to claim 3, characterized in that: The inner and outer sides of the bottom of the docking ring (12) are both provided with beveled edges.

5. The assembly concentricity inspection tool for flange and shaft of a surgical robot according to claim 4, characterized in that: The lengths of the hypotenuses a and b are both 1-2 mm.

6. The assembly concentricity inspection tool for flange and shaft of a surgical robot according to claim 2 or 5, characterized in that: The connector (9) is provided with a notch, and the micrometer (11) is inserted into the notch.

7. The assembly concentricity inspection tool for flange and shaft of a surgical robot according to claim 6, characterized in that: The connector (9) is rotatably connected to an adjusting knob (10), an adjusting rod (13) is fixedly connected to the adjusting knob (10), and the adjusting rod (13) is provided with an external thread (14) threadedly connected to one side of the connector (9).

8. The concentricity inspection tool for assembling flange and shaft of a surgical robot according to claim 1, characterized in that: The adjusting bracket comprises: A first mounting rod (2) is fixedly connected to the top edge of the mounting ring (1), and a second mounting rod (3) is rotatably connected to the first mounting rod (2). The first mounting rod (2) is threadedly connected with a tightening knob (4) for fixing the second mounting rod (3); the end of the second mounting rod (3) is provided with a plurality of groups of clamping blocks (5) equidistantly arranged in a circle; the clamping blocks (5) are threadedly connected with a tightening nut (6); when the tightening nut (6) is rotated, the plurality of groups of clamping blocks (5) are retracted or separated; A third mounting rod (8) is fixedly connected to the connecting head (9), one end of the third mounting rod (8) is fixedly connected to a ball head (7), and the ball head (7) is hingedly matched with the clamping block (5).

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