Positioning device for assisting mechanical arm in grabbing reinforcing ring
By designing positioning devices for welding automobile axle shells, including altitude components, centering components and axial positioning components, the axial rotation problem caused by vibration during the grabbing process is solved, and the precise butt between the position of the strengthening ring and the bridge shell is achieved, and the welding quality is improved.
Patent Information
- Application Number
- CN202420377834.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-02-28
AI Technical Summary
During the welding reinforcement ring of the automobile axle shell, the existing positioning tooling is difficult to avoid the axial rotation of the reinforcement ring due to vibration, which in turn causes welding offset and affects the quality of the axle shell.
A positioning device including a fixed height assembly, a centering assembly and an axial positioning assembly is designed, and these components are installed on the tooling base plate through threaded holes and pin holes to ensure the horizontal stability and axial positioning of the reinforcement ring during the grabbing and placement process.
Effectively prevent axial rotation caused by vibration before grabbing, ensure the position accuracy of the reinforcement ring and the bridge shell, improve the welding qualification rate and improve the quality of the bridge shell.
Smart Images
Figure CN222588525U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile axle manufacturing, in particular to a positioning device used for assisting a manipulator to grasp a reinforcing ring, which is a profiling positioning device. Background Art
[0002] During the welding process of the reinforcement ring of the bridge housing body, it is necessary to ensure that the position accuracy between the inner circle of the reinforcement ring and the lute hole of the bridge housing body is ≤2mm, otherwise the reinforcement ring will be welded off-center, and the hole will be too close to the notch of the reinforcement ring when processing the threaded hole, which will lead to the reducer not being installed in place, causing oil leakage and reducing the load-bearing capacity of the bridge housing, seriously affecting the quality of the bridge housing; currently, during the grasping process of the reinforcement ring, the positioning tooling cannot avoid the axial rotation of the rear reinforcement ring due to vibration when grasping the previous one, and the subsequent robot will deviate during grasping and positioning, resulting in the welding of the bridge housing reinforcement ring off-center. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and provide a positioning device for assisting a manipulator to grasp a reinforcing ring.
[0004] The utility model solves the technical solution adopted: a positioning device for assisting a manipulator to grasp a reinforcement ring, comprising a tooling base plate, threaded holes and pin holes are distributed on the surface of the tooling base plate; the utility model is special in that a height setting component, a centering component and an axial positioning component are arranged on the tooling base plate; the inner side of the height setting component is a centering component for preventing the reinforcement ring from moving horizontally and an axial positioning component for preventing the reinforcement ring from rotating axially; the height setting component is composed of a first pad block and a second pad block; the centering component is composed of a mounting shaft seat, a positioning shaft and a positioning shaft reinforcement plate; the axial positioning component is composed of a profiling plate mounting seat base, a profiling plate and a profiling plate mounting seat;
[0005] The first padding block of the height-fixing assembly is fixed on the tooling bottom plate, and the second padding block is fixed on the base of the profiling plate mounting seat; the upper surfaces of the first padding block and the second padding block are on the same horizontal plane;
[0006] The mounting shaft seat of the centering assembly is fixed on the tooling bottom plate, and the positioning shafts are respectively inserted into the mounting shaft seats, the outer circle of the positioning shaft and the inner hole of the mounting shaft seat are interference fit, and the diameter of the circle formed by the positioning shaft is equal to the inner circle diameter of the reinforcement ring; a cross-shaped positioning shaft reinforcement plate is installed on the top of the positioning shaft;
[0007] The base of the profiling plate mounting seat of the axial positioning assembly is fixed on the tooling bottom plate, the profiling plate mounting seat is provided with a profiling plate, and the bottom of the profiling plate mounting seat is fixed on the profiling plate mounting seat base.
[0008] Furthermore, the number of the first height-setting blocks of the height-fixing assembly is ≧3, and the number of the second height-setting blocks is ≧1.
[0009] Furthermore, the number of mounting shaft seats of the centering assembly is ≧4, the number of positioning shafts is ≧4, the two numbers are the same, and the number of positioning shaft reinforcement plates is ≧1.
[0010] Furthermore, the number of the profiling plate mounting seat base, the profiling plates and the square plate mounting seat of the axial positioning assembly is the same, and is ≧3.
[0011] Furthermore, the outer shape of the profiling plate is consistent with the shape of the inner ring notch of the reinforcement ring.
[0012] Furthermore, the second pad block is fixed on the base of the contour plate mounting seat by T-shaped bolts and nuts.
[0013] Beneficial effects of the utility model:
[0014] 1. The use of fixed height components can ensure that all reinforcement rings are placed and grasped in the same state, always maintain a horizontal state, and the height of the reinforcement ring surface is consistent;
[0015] 2. The centering assembly can ensure that all reinforcement rings are always located at the center of the position to be grasped, and there will be no horizontal deviation;
[0016] 3. The axial positioning assembly can ensure that all reinforcing rings are always kept in the original position when being grasped or grasped, and will not rotate in the axial direction;
[0017] 4. The state of the reinforcement rings remains consistent before waiting for the robot to grab them, and they are not affected by each other, which improves the grasping accuracy, ensures the position accuracy of the reinforcement rings and the bridge shell, greatly improves the qualified rate of the reinforcement rings welded to the bridge shell body, and improves the quality of the bridge shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the reinforcement ring of the utility model.
[0020] In the figure: 1 reinforcement ring, 2 tooling bottom plate, 301 first spacer block, 302 second spacer block, 303 T-shaped bolt, 401 mounting shaft seat, 402 positioning shaft, 403 positioning shaft reinforcement plate, 501 profiling plate mounting seat base, 502 profiling plate, 503 profiling plate mounting seat. DETAILED DESCRIPTION
[0021] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings.
[0022] like Figure 1 , 2As shown, a positioning device for assisting a manipulator in grasping a reinforcing ring comprises a tooling base plate 2, threaded holes and pin holes are distributed on the surface of the tooling base plate 2 for mounting and fixing other components; a height-fixing component, a centering component and an axial positioning component are mounted on the tooling base plate 2 by bolts and positioning pins; inside the height-fixing component are a centering component for preventing the reinforcing ring from moving horizontally and an axial positioning component for preventing the reinforcing ring from rotating axially;
[0023] The height setting assembly is composed of a first heightening block 301 and a second heightening block 302; the centering assembly is composed of a mounting shaft seat 401, a positioning shaft 402 and a positioning shaft reinforcing plate 403; the axial positioning assembly is composed of a profiling plate mounting seat base 501, a profiling plate 502 and a profiling plate mounting seat 503;
[0024] The height setting assembly includes three first padding blocks 301 and one second padding block 302; the first padding block 301 is fixed on the tooling base plate 2, and the second padding block 302 is fixed on the base 501 of the profiling plate mounting seat by T-shaped bolts 303 and nuts; the upper surfaces of the first padding block 301 and the second padding block 302 are on the same horizontal plane; the height setting assembly can ensure that all reinforcement rings 1 are always kept in a horizontal state during placement and grabbing;
[0025] The centering assembly has four mounting shaft seats 401, four positioning shafts 402, and one positioning shaft reinforcement plate 403; the four mounting shaft seats 401 are evenly fixed on the tooling base plate 2, and the four positioning shafts 402 are respectively installed on the four mounting shaft seats 401, and the diameter of the circle formed by the four positioning shafts 402 is equal to the inner diameter of the reinforcement ring 1; a cross-shaped positioning shaft reinforcement plate 403 is installed on the top of the four positioning shafts 402, and the positioning shaft reinforcement plate 403 ensures that the diameter size of the circle formed by the positioning shafts 402 is determined, and when working, the inner ring of the reinforcement ring 1 simultaneously contacts the outermost sides of the four positioning shafts 402 to achieve a centering effect; the centering assembly can ensure that all reinforcement rings 1 are always located at the center of the position to be grasped, and no horizontal deviation will occur;
[0026] The axial positioning assembly includes three parts: the profiling plate mounting seat base 501, the profiling plate 502 and the square plate mounting seat 503; the profiling plate mounting seat base 501 is fixed on the tooling bottom plate 2, the profiling plate 502 is installed on the profiling plate mounting seat 503 by bolts and positioning pins, and the bottom of the profiling plate mounting seat 503 is fixed to the profiling plate mounting seat base 501 by T-bolts 303 and nuts; the outer shape of the three profiling plates 502 is consistent with the shape of the notch of the inner ring of the reinforcement ring 1, and when working, the three notches of the inner ring of the reinforcement ring 1 are respectively pressed against the three profiling plates 502 to prevent the reinforcement ring 1 from rotating; the axial positioning assembly can ensure that all reinforcement rings 1 are always kept in the original position when being grasped or grasped, and will not rotate in the axial direction.
[0027] The utility model discloses a positioning device for assisting a manipulator in grasping a reinforcement ring. The working principle is as follows: the horizontal height is ensured by a height-fixing component, and the inner ring shape of the reinforcement ring is imitated by a centering component and an axial positioning component so that when the reinforcement ring is placed, the inner diameter of the inner ring and the notch are completely in contact with the positioning component and close to each other, thereby achieving the purpose of positioning the reinforcement ring.
[0028] It should be understood that the technical features not elaborated in detail in this specification belong to the prior art. Although the implementation methods of the present invention are described above in conjunction with the accompanying drawings, the present invention is not limited to the above-mentioned specific implementation methods, which are merely illustrative and not restrictive. Ordinary technicians in this field can make more forms under the enlightenment of the present invention without departing from the scope of protection of the present invention and the claims, which are all within the protection scope of the present invention.
Claims
1. A positioning device for assisting a manipulator in grasping a reinforcing ring, comprising a tooling base plate (2), wherein threaded holes and pin holes are distributed on the surface of the tooling base plate (2); characterized in that: The tooling base plate (2) is provided with a height setting component, a centering component and an axial positioning component; the inner side of the height setting component is a centering component for preventing the reinforcing ring from moving horizontally and an axial positioning component for preventing the reinforcing ring from rotating axially; the height setting component is composed of a first height setting block (301) and a second height setting block (302); the centering component is composed of a mounting shaft seat (401), a positioning shaft (402) and a positioning shaft reinforcing plate (403); the axial positioning component is composed of a profiling plate mounting seat base (501), a profiling plate (502) and a profiling plate mounting seat (503); The first padding block (301) of the height-fixing assembly is fixed on the tooling base plate (2), and the second padding block (302) is fixed on the profiling plate mounting seat base (501); the upper surfaces of the first padding block (301) and the second padding block (302) are on the same horizontal plane; The mounting shaft seat (401) of the centering assembly is fixed on the tooling base plate (2), and the positioning shafts (402) are respectively inserted into the mounting shaft seats (401). The outer circle of the positioning shaft (402) and the inner hole of the mounting shaft seat (401) are interference fit, and the diameter of the circle formed by the positioning shaft (402) is equal to the inner diameter of the reinforcing ring (1); a cross-shaped positioning shaft reinforcing plate (403) is installed at the top end of the positioning shaft (402); The profiling plate mounting seat base (501) of the axial positioning assembly is fixed on the tooling base plate (2), the profiling plate mounting seat (503) is provided with a profiling plate (502), and the bottom of the profiling plate mounting seat (503) is fixed on the profiling plate mounting seat base (501).
2. A positioning device for assisting a manipulator in grasping a reinforcement ring according to claim 1, characterized in that: The number of the first height-raising blocks (301) of the height-fixing assembly is ≥3, and the number of the second height-raising blocks (302) is ≥1.
3. A positioning device for assisting a manipulator in grasping a reinforcement ring according to claim 1, characterized in that: The number of the mounting shaft seats (401) of the centering assembly is ≥4, the number of the positioning shafts (402) is ≥4, the two numbers are the same, and the number of the positioning shaft reinforcement plates (403) is ≥1.
4. A positioning device for assisting a manipulator in grasping a reinforcing ring according to claim 1, characterized in that: The number of the profiling plate mounting seat base (501), the profiling plates (502) and the square plate mounting seat (503) of the axial positioning assembly is the same, and all are ≥3.
5. A positioning device for assisting a manipulator in grasping a reinforcement ring according to claim 1 or 4, characterized in that: The outer shape of the profiling plate (502) is consistent with the shape of the inner ring notch of the reinforcement ring (1).
6. A positioning device for assisting a manipulator in grasping a reinforcement ring according to claim 1, characterized in that: The second pad block (302) is fixed on the contour plate mounting seat base (501) by means of a T-shaped bolt (303) and a nut.