Robot facet joint drilling and milling integrated clamp

Abstract

The utility model provides a robot facet joint drilling and milling integrated clamp which comprises a support used for clamping a facet joint so that a U-shaped opening formed by the facet joint faces the side face, a second side arm is located on the upper portion, and the support is provided with a supporting column used for supporting a first side arm upwards; the first pressing plate is used for downwards pressing the opening end part of the first side arm; the second pressing plate is used for pressing down the upper end of the bottom; and the opening end part of the second side arm and the support are connected into a whole through the connecting assembly. The small joint is fixed under the action of the first pressing plate and the supporting column butt clamp and the action of the second pressing plate and the supporting column butt clamp. Through the arrangement of the connecting assembly, the opening end of the second side arm and the support are connected into a whole and are not suspended any more, so that resonance is avoided when the second side arm is machined, and the machining precision of the second side arm is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a robot small joint drilling and milling integrated fixture. Background Art

[0002] The Nachi robot is provided with a small joint composed of a first side arm, a second side arm and a bottom forming a U shape.

[0003] Since the second side arm and the bottom need to be connected, the outer side surfaces of the second side arm and the bottom have a relatively high verticality requirement, and the through holes opened on the second side arm and the bottom have a relatively high verticality requirement to the outer side surfaces.

[0004] Since the second side arm is in a suspended state during processing, resonance is likely to occur, resulting in excessive vibration amplitude and precision deviation.

[0005] Therefore, how to overcome the above-mentioned defects has become a problem to be solved urgently by those skilled in the art. Utility Model Content

[0006] In order to solve the technical problems in the background technology, the utility model discloses a robot small joint drilling and milling integrated fixture.

[0007] The utility model provides a robot small joint drilling and milling integrated fixture, including a support, which is used to clamp the small joint, so that the U-shaped opening formed by the small joint faces the side, and the second side arm is located at the top, and the support is provided with:

[0008] A support column, used to support the first side arm upwards;

[0009] A first pressing plate, used to press down the open end of the first side arm;

[0010] A second pressing plate, used to press down the upper end of the bottom;

[0011] The connecting assembly connects the open end of the second side arm and the support into a whole.

[0012] The small joint is fixed under the action of the first pressure plate and the support column clamping, and the second pressure plate and the support column clamping; the setting of the connecting component makes the open end of the second side arm and the support connected as a whole, no longer suspended in the air, thereby avoiding resonance of the second side arm during processing and improving the processing accuracy of the second side arm.

[0013] The number of support columns is three, and they respectively support the opening end of the first side arm, the root of the first side arm and the lower end of the bottom.

[0014] Since there is a height difference between the lower end surface of the first side arm and the lower end of the bottom, and the positioning accuracy of the support column is not high, it is difficult to effectively support the small joints. Based on this, a further design is: the support column is threadedly connected to the support so that its height can be adjusted.

[0015] Since the small joint will be blocked by the first and second pressure plates when being disassembled, based on this, a further design is as follows: the support is provided with a first support rod and a second support rod arranged in parallel; one end of the first pressure plate is sleeved with the first support rod, the middle part is sleeved with the second support rod, and the other end is against the first side arm; the upper end of the second support rod is threadedly connected with a first locking nut, and the first pressure plate applies pressure to the first side arm through the locking. The support is provided with a third support rod and a fourth support rod arranged in parallel; one end of the second pressure plate is sleeved with the third support rod, the middle part is sleeved with the fourth support rod, and the other end has a pressure rod, and the lower end of the pressure rod is against the bottom; the upper end of the fourth support rod is threadedly connected with a second locking nut, and the pressure rod applies pressure to the bottom through the locking. In this way, the first and second pressure plates are detachable, and the first and second pressure plates can be disassembled and assembled by only removing the first locking nut and the second locking nut, which is simple and quick to operate.

[0016] The specific structure of the connecting assembly is as follows: a protrusion is arranged on the inner side of the open end of the second pressing plate, and the connecting assembly includes two symmetrically arranged clamping blocks for clamping opposite sides of the protrusion.

[0017] Since the small joint will be blocked by the clamping block when it is disassembled and assembled, a further design is based on this: a support plate is provided on the support; the middle part of the clamping block is hinged to the support plate; threaded holes are provided at the lower ends of the two clamping blocks, and the thread directions are opposite; the adjusting bolt is threadedly connected to the threaded hole to drive the clamping block to open or close. When the clamping block is opened, it can provide sufficient space for disassembly and assembly of the small joint.

[0018] In order to further improve the installation strength of the facet joint, specifically: a third pressure plate is also installed on the support, which is used to press down the middle position of the first side arm. The support is provided with a fifth support rod and a sixth support rod arranged in parallel; one end of the third pressure plate is sleeved with the fifth support rod, the middle part is sleeved with the sixth support rod, and the other end is against the first side arm; the upper end of the sixth support rod is threadedly connected with a third locking nut, and the third pressure plate applies pressure to the first side arm by locking it.

[0019] The beneficial effect of the utility model is that the setting of the clamping block enables the open end of the second side arm and the support to be connected as a whole and no longer suspended in the air, thereby avoiding resonance of the second side arm during processing and improving the processing accuracy of the second side arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1It is the front view of the utility model;

[0022] Figure 2 It is a left view of the utility model;

[0023] Figure 3 It is a top view of the utility model;

[0024] In the figure: 1. support; 2. support column; 3. first pressure plate; 4. second pressure plate; 5. first support rod; 6. second support rod; 7. first locking nut; 8. third support rod; 9. fourth support rod; 10. pressure rod; 11. second locking nut; 12. clamping block; 13. support plate; 14. adjusting bolt; 15. third pressure plate; 16. fifth support rod; 17. sixth support rod; 18. third locking nut; 31. first side arm; 32. second side arm; 33. bottom; 34. protrusion. DETAILED DESCRIPTION

[0025] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0026] like Figure 1-3 As shown, the utility model discloses a robot small joint drilling and milling integrated fixture, including a support 1, which is used to clamp the small joint. The small joint is composed of a first side arm 31, a bottom 33 and a second side arm 32 connected in sequence, and its shape forms a U shape. A protrusion 34 is provided on the inner side of the opening end of the second side arm 32. When the small joint is clamped, the opening faces the side, and the second side arm 32 is located at the top.

[0027] The support 1 is provided with three support columns 2 extending upward, respectively supporting the open end of the first side arm 31, the root of the first side arm 31 and the lower end of the bottom 33. The support column 2 is threadedly connected to the support 1 so that its height can be adjusted to improve the position accuracy of the support column 2 and improve the stability of the support column 2 in supporting the small joint. A nut is threadedly connected to the support column 2, which is locked to fix the support column 2. When the position of the support column 2 is adjusted, axial displacement is not easy to occur.

[0028] The support 1 is also provided with a first pressing plate 3 , a second pressing plate 4 and a third pressing plate 15 .

[0029] The first pressure plate 3 is used to press down the open end of the first side arm 31, and its specific installation structure is: a first support rod 5 and a second support rod 6 arranged in parallel are provided on the support 1; one end of the first pressure plate 3 is sleeved on the first support rod 5, the middle part is sleeved on the second support rod 6, and the other end is against the first side arm 31; the upper end of the second support rod 6 is threadedly connected with a first locking nut 7, through which the first pressure plate 3 applies pressure to the first side arm 31.

[0030] The second pressure plate 4 is configured to be composed of two symmetrically arranged pieces, which are used to press down the upper end of the bottom 33, and its specific installation structure is: a third support rod 8 and a fourth support rod 9 arranged in parallel are provided on the support 1; one end of the second pressure plate 4 is sleeved with the third support rod 8, the middle part is sleeved with the fourth support rod 9, and the other end is provided with a pressure rod 10, the lower end of the pressure rod 10 is against the bottom 33; the upper end of the fourth support rod 9 is threadedly connected with a second locking nut 11, which is locked so that the pressure rod 10 applies pressure to the bottom 33.

[0031] The third pressure plate 15 is configured as two symmetrically arranged pieces, which are used to press down the middle position of the first side arm 31, and its specific installation structure is: a fifth support rod 16 and a sixth support rod 17 arranged in parallel are provided on the support 1; one end of the third pressure plate 15 is sleeved on the fifth support rod 16, the middle part is sleeved on the sixth support rod 17, and the other end is against the first side arm 31; the upper end of the sixth support rod 17 is threadedly connected with a third locking nut 18, through which the third pressure plate 15 applies pressure to the first side arm 31 through locking.

[0032] The mounting structure of the first pressing plate 3, the second pressing plate 4 and the third pressing plate 15 is thus detachable, which is convenient for disassembly and assembly of the small joint. Moreover, the first pressing plate 3, the second pressing plate 4 and the third pressing plate 15 can be disassembled and assembled by only disassembling the first locking nut 7, the second locking nut 11 and the third locking nut 18, which is simple and quick to operate.

[0033] The support 1 is also provided with a vertically arranged support plate 13, on which two symmetrically arranged clamping blocks 12 are hinged. The middle part of the clamping block 12 is hinged to the support plate 13, and the upper end thereof protrudes beyond the support plate 13. Spherical protrusions are provided on the opposite sides thereof, which are used to clamp the opposite sides of the protrusion 34. The lower ends of the two clamping blocks 12 are both provided with threaded holes, and the thread directions thereof are opposite; the adjusting bolt 14 is threadedly connected to the threaded hole, driving the clamping block 12 to open or close, thereby loosening or clamping the protrusion 34. When the clamping block 12 clamps the protrusion 34, the open end of the second side arm 32 and the support 1 are connected as a whole. When the clamping block 12 is opened, sufficient space for disassembly and assembly of the small joint can be provided.

[0034] The small joint is fixed by the clamping action of the first pressing plate 3 and the supporting column 2, the second pressing plate 4 and the supporting column 2, and the third pressing plate 15 and the supporting column 2. The setting of the clamping block 12 makes the open end of the second side arm 32 and the support 1 connected as a whole and no longer suspended in the air, thereby avoiding resonance of the second side arm 32 during processing and improving the processing accuracy of the second side arm 32.

[0035] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A robot small joint drilling and milling integrated fixture, characterized in that: The invention comprises a support (1) for clamping a small joint, so that the U-shaped opening formed by the small joint faces the side and the second side arm (32) is located at the top, and the support (1) is provided with: A support column (2), used for supporting the first side arm (31) upwards; A first pressing plate (3) for pressing down the open end of the first side arm (31); A second pressing plate (4) for pressing down the upper end of the bottom portion (33); A connecting assembly connects the open end of the second side arm (32) and the support (1) into a whole.

2. The robot small joint drilling and milling integrated fixture according to claim 1 is characterized in that: The support columns (2) are provided in three numbers, respectively supporting the opening end of the first side arm (31), the root of the first side arm (31) and the lower end of the bottom (33).

3. The robot small joint drilling and milling integrated fixture according to claim 2 is characterized in that: The support column (2) is threadedly connected to the support (1) so that its height can be adjusted.

4. The robot small joint drilling and milling integrated fixture according to claim 1, characterized in that: The support (1) is provided with a first support rod (5) and a second support rod (6) arranged in parallel; One end of the first pressing plate (3) is sleeved on the first supporting rod (5), the middle part is sleeved on the second supporting rod (6), and the other end abuts against the first side arm (31); The upper end of the second support rod (6) is threadedly connected to a first locking nut (7), through which the first pressure plate (3) applies pressure to the first side arm (31).

5. The robot small joint drilling and milling integrated fixture according to claim 1 is characterized in that: The support (1) is provided with a third support rod (8) and a fourth support rod (9) arranged in parallel; One end of the second pressing plate (4) is sleeved with the third supporting rod (8), the middle part is sleeved with the fourth supporting rod (9), and the other end is provided with a pressing rod (10), and the lower end of the pressing rod (10) abuts against the bottom (33); The upper end of the fourth support rod (9) is threadedly connected to a second locking nut (11), which is locked so that the pressure rod (10) applies pressure to the bottom (33).

6. The robot small joint drilling and milling integrated fixture according to claim 1, characterized in that: A protrusion (34) is provided on the inner side of the open end of the second pressing plate (4), and the connecting assembly comprises two symmetrically arranged clamping blocks (12) for clamping opposite sides of the protrusion (34).

7. The robot small joint drilling and milling integrated fixture according to claim 6, characterized in that: A support plate (13) is provided on the support (1); The middle part of the clamping block (12) is hinged to the support plate (13); The lower ends of the two clamping blocks (12) are both provided with threaded holes, and the thread directions thereof are opposite; The adjusting bolt (14) is threadedly connected to the threaded hole to drive the clamping block (12) to open or close.

8. The robot small joint drilling and milling integrated fixture according to claim 1 is characterized in that: A third pressing plate (15) is also mounted on the support (1) for pressing down the middle portion of the first side arm (31).

9. The robot small joint drilling and milling integrated fixture according to claim 8, characterized in that: The support (1) is provided with a fifth support rod (16) and a sixth support rod (17) arranged in parallel; One end of the third pressing plate (15) is sleeved with the fifth supporting rod (16), the middle part is sleeved with the sixth supporting rod (17), and the other end abuts against the first side arm (31); The upper end of the sixth support rod (17) is threadedly connected to a third locking nut (18), through which the third pressure plate (15) applies pressure to the first side arm (31).

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