Novel plane floating centering mechanism
By designing a new plane floating centering mechanism, using the combination of guide rails, sliders and floating plates, the problem of insufficient automatic assembly accuracy of large-quality components is solved, and high-precision and flexible assembly effects are achieved.
Patent Information
- Application Number
- CN202421546529.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The prior art is difficult to meet the requirements of automated assembly accuracy for large-quality components, resulting in low assembly efficiency and unstable quality.
A new plane floating centering mechanism is designed, including a reference plate, a first floating member and a second floating member. The precision automatic assembly of components is achieved through the combination of guide rails, sliders, floating boards and centering members.
It improves the automatic assembly accuracy of high-quality components, enhances assembly flexibility and stability, and meets the needs of high-precision assembly.
Smart Images
Figure CN222886026U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mechanical equipment, in particular to a novel planar floating centering mechanism. Background Art
[0002] At present, the assembly method for relatively heavy parts mainly relies on manual labor. This assembly method has low assembly efficiency, poor flexibility, and the assembly quality of products is limited by the proficiency of workers' assembly skills. The assembly process relies heavily on the engineering experience of operators and heavy mechanical equipment. Nowadays, in the face of increasingly high assembly accuracy requirements, many manufacturers have begun to seek automated assembly processes. However, for large-mass parts, the accuracy of automated assembly still cannot meet the assembly requirements of large-mass parts. Summary of the Utility Model
[0003] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the application, to avoid obscuring the purpose of this part, the abstract, and the title. However, such simplifications or omissions shall not be used to limit the scope of the utility model.
[0004] The technical problem to be solved by the utility model is how to better achieve the automated assembly of large-mass parts.
[0005] To solve the above technical problem, the utility model provides the following technical solution: a novel planar floating centering mechanism, including a reference plate, a first floating member, and a second floating member. The first floating member is arranged on the reference plate and is used for the automated assembly of large-mass parts. The second floating member is arranged on the first floating member and is used to cooperate with the first floating member.
[0006] The first floating member includes two first guide rails, six first sliders, an X-direction floating plate, and a first centering member. The two first guide rails are symmetrically arranged on both sides of the reference plate. The six first sliders are symmetrically arranged on the two first guide rails. The X-direction floating plate is arranged on the six first sliders. The first centering member is arranged on the X-direction floating plate.
[0007] The second floating member includes two second guide rails, six second sliders, a Y-direction floating plate, and a second centering member. The two second guide rails are arranged on both sides of the X-direction floating plate. The six second sliders are symmetrically arranged on the two second guide rails. The Y-direction floating plate is arranged on the six second sliders. The second centering member is arranged on the Y-direction floating plate.
[0008] As a preferred solution of the novel planar floating centering mechanism of the present utility model, wherein: the first centering member includes a first cylinder, a first telescopic shaft, and a first reference sleeve. The first cylinder is disposed on the X-direction floating plate, the first telescopic shaft is disposed on the first cylinder, a first conical contact surface is provided at the head of the first telescopic shaft, the first reference sleeve is disposed on the reference plate, the first reference sleeve is directly below the first telescopic shaft, and a second conical contact surface that mates with the first conical contact surface is provided on the first reference sleeve, ensuring both the movement accuracy and smoothness of the X-direction floating plate.
[0009] The second centering member includes a second cylinder, a second telescopic shaft, and a second reference sleeve. The second cylinder is disposed on the Y-direction floating plate, the second telescopic shaft is disposed on the second cylinder, a third conical contact surface is provided at the head of the second telescopic shaft, the second reference sleeve is disposed on the X-direction floating plate, the second reference sleeve is directly below the second telescopic shaft, and a fourth conical contact surface that mates with the third conical contact surface is provided on the second reference sleeve, ensuring both the movement accuracy and smoothness of the Y-direction floating plate.
[0010] As a preferred solution of the novel planar floating centering mechanism of the present utility model, wherein: the first floating member further includes four first limit blocks, and the four first limit blocks are symmetrically disposed at the four corners of the reference plate to limit the floating range of the X-direction floating plate relative to the first reference sleeve.
[0011] As a preferred solution of the novel planar floating centering mechanism of the present utility model, wherein: the second floating member further includes four second limit blocks, and the four second limit blocks are disposed on both sides of the X-direction floating plate to limit the floating range of the Y-direction floating plate relative to the second reference sleeve.
[0012] As a preferred solution of the novel planar floating centering mechanism of the present utility model, wherein: the first telescopic shaft, the first reference sleeve, the second telescopic shaft, and the second reference sleeve are all made of self-lubricating material through precision machining to improve the displacement accuracy and movement smoothness between the telescopic shaft and the reference sleeve.
[0013] As a preferred solution of the novel planar floating centering mechanism of the present utility model, wherein: both between the first guide rail and the first slider and between the second guide rail and the second slider adopt rolling pressing connections to improve the movement accuracy and smoothness of the X-direction floating plate and the Y-direction floating plate along the X-axis and the Y-axis.
[0014] Beneficial effects: Through the mutual cooperation between the reference plate, the first floating member, and the second floating member, the accuracy of the automatic assembly of large-mass components is improved, thereby better realizing the automatic assembly of large-mass components. Brief Description of the Drawings
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:
[0016] Figure 1 It is a schematic diagram of the overall structure of the new type of planar floating centering mechanism.
[0017] Figure 2 It is a schematic diagram of the positional structure of the first guide rail and the first slider of the new type of planar floating centering mechanism.
[0018] Figure 3 It is a schematic diagram of the positional structure of the second guide rail and the second slider of the new type of planar floating centering mechanism.
[0019] Figure 4 It is a schematic diagram of the partial positional structure of the first centering member of the new type of planar floating centering mechanism.
[0020] Figure 5 It is a schematic diagram of the partial positional structure of the second centering member of the new type of planar floating centering mechanism.
[0021] In the figure: 1. reference plate; 2. first floating member; 21. first guide rail; 22. first slider; 23. X-direction floating plate; 24. first centering member; 241. first cylinder; 242. first telescopic shaft; 242-1. first conical contact surface; 243. first reference sleeve; 243-1. second conical contact surface; 25. first limit block; 3. second floating member; 31. second guide rail; 32. second slider; 33. Y-direction floating plate; 34. second centering member; 341. second cylinder; 342. second telescopic shaft; 342-1. third conical contact surface; 343. second reference sleeve; 343-1. fourth conical contact surface; 35. second limit block. Detailed Embodiments
[0022] In order to make the above-mentioned objects, features and advantages of the present utility model more obvious and understandable, the detailed embodiments of the present utility model will be described in detail below with reference to the drawings of the specification.
[0023] Many specific details are set forth in the following description in order to provide a thorough understanding of the present utility model. However, the present utility model may be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
[0024] Secondly, the "one embodiment" or "embodiment" mentioned herein refers to a specific feature, structure or characteristic that may be included in at least one implementation manner of the present utility model. The "in one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it an individual or alternative embodiment that is mutually exclusive with other embodiments.
[0025] Embodiment
[0026] Referring to Figures 1 to 5 , this embodiment provides a new type of planar floating centering mechanism, which includes a reference plate 1, a first floating member 2 and a second floating member 3. The first floating member 2 is arranged on the reference plate 1 and is used for the automatic assembly of large-mass parts. The second floating member 3 is arranged on the first floating member 2 and is used to cooperate with the first floating member 2;
[0027] Specifically, the first floating member 2 includes two first guide rails 21, six first sliders 22, an X-direction floating plate 23 and a first centering member 24. The two first guide rails 21 are symmetrically arranged on both sides of the reference plate 1. The six first sliders 22 are symmetrically arranged on the two first guide rails 21. The X-direction floating plate 23 is arranged on the six first sliders 22. The first centering member 24 is arranged on the X-direction floating plate 23;
[0028] Specifically, the second floating member 3 includes two second guide rails 31, six second sliders 32, a Y-direction floating plate 33 and a second centering member 34. The two second guide rails 31 are arranged on both sides of the X-direction floating plate 23. The six second sliders 32 are symmetrically arranged on the two second guide rails 31. The Y-direction floating plate 33 is arranged on the six second sliders 32. The second centering member 34 is arranged on the Y-direction floating plate 33.
[0029] The reference plate 1 is generally square in structure and serves as the installation foundation for the entire mechanism. It can be fixedly installed on any working plane. On the upper surface of the reference plate 1, a first floating member 2 is installed for the automatic assembly of large-mass parts. On the first floating member 2, a second floating member 3 is installed. The second floating member 3 cooperates with the first floating member 2 for the automatic assembly of large-mass parts. Specifically, the first floating member 2 mainly consists of two first guide rails 21, six first sliders 22, an X-direction floating plate 23, and a first centering member 24. Two first guide rails 21 are symmetrically installed on the left and right sides of the upper surface of the reference plate 1. Three first sliders 22 are installed on each first guide rail 21, and the six first sliders 22 are symmetrically arranged. The X-direction floating plate 23 is fixedly installed on the six first sliders 22, so that the X-direction floating plate 23 can slide back and forth along the first guide rail 21, that is, the X-direction floating plate 23 can move back and forth along the X-axis direction. A first centering member 24 is installed on the X-direction floating plate 23 to improve the movement accuracy of the X-direction floating plate 23. Specifically, the second floating member 3 mainly consists of two second guide rails 31, six second sliders 32, a Y-direction floating plate 33, and a second centering member 34. Two second guide rails 31 are installed on the front and back sides of the upper surface of the X-direction floating plate 23. Three second sliders 32 are installed on each second guide rail 31, and the six second sliders 32 are symmetrically arranged. The Y-direction floating plate 33 is fixedly installed on the six second sliders 32, so that the Y-direction floating plate 33 can slide back and forth along the second guide rail 31, that is, the Y-direction floating plate 33 can move back and forth along the Y-axis direction. A second centering member 34 is installed on the Y-direction floating plate 33 to improve the movement accuracy of the Y-direction floating plate 33. In this embodiment, through the mutual cooperation among the reference plate 1, the first floating member 2, and the second floating member 3, the accuracy of the automatic assembly of large-mass parts is improved, so as to better realize the automatic assembly of large-mass parts.
[0030] Specifically, the first centering member 24 includes a first cylinder 241, a first telescopic shaft 242, and a first reference sleeve 243. The first cylinder 241 is arranged on the X-direction floating plate 23. The first telescopic shaft 242 is arranged on the first cylinder 241. The head of the first telescopic shaft 242 is provided with a first tapered contact surface 242-1. The first reference sleeve 243 is arranged on the reference plate 1. The first reference sleeve 243 is directly below the first telescopic shaft 242. The first reference sleeve 243 is provided with a second tapered contact surface 243-1 that cooperates with the first tapered contact surface 242-1.
[0031] The first pair of middle members 24 mainly consists of a first air cylinder 241, a first telescopic shaft 242 and a first reference sleeve 243. The first air cylinder 241 is installed at the edge position of the upper surface of the X-direction floating plate 23. The first telescopic shaft 242 is installed on the shaft of the first air cylinder 241. A first conical contact surface 242-1 is provided at the head of the first telescopic shaft 242. A first reference sleeve 243 that cooperates with the first telescopic shaft 242 is installed on the reference plate 1 directly below the first telescopic shaft 242. And a second conical contact surface 243-1 that cooperates with the first conical contact surface 242-1 is provided at the outer edge of the hole of the first reference sleeve 243, ensuring that the X-direction floating plate 23 can return to the reference point of the first reference sleeve 243 on the reference plate 1 during operation, thereby ensuring the movement accuracy of the X-direction floating plate 23 while also ensuring the smoothness of its movement; it should be noted that the matching accuracy between the second conical contact surface 243-1 on the first reference sleeve 243 and the first conical contact surface 242-1 at the head of the first telescopic shaft 242 needs to be processed in advance according to the actual usage requirements, so that the machining tolerance is just within the range where two large-mass components interfere with each other during assembly.
[0032] Specifically, the second pair of middle members 34 includes a second air cylinder 341, a second telescopic shaft 342 and a second reference sleeve 343. The second air cylinder 341 is arranged on the Y-direction floating plate 33. The second telescopic shaft 342 is arranged on the second air cylinder 341. A third conical contact surface 342-1 is provided at the head of the second telescopic shaft 342. The second reference sleeve 343 is arranged on the X-direction floating plate 23. The second reference sleeve 343 is directly below the second telescopic shaft 342. A fourth conical contact surface 343-1 that cooperates with the third conical contact surface 342-1 is provided on the second reference sleeve 343.
[0033] The second pair of middle components 34 mainly consists of a second cylinder 341, a second telescopic shaft 342, and a second reference sleeve 343. The second cylinder 341 is installed at the edge position of the upper surface of the Y-direction floating plate 33. The second telescopic shaft 342 is installed on the shaft of the second cylinder 341. A third conical contact surface 342-1 is provided at the head of the second telescopic shaft 342. A second reference sleeve 343 that cooperates with the second telescopic shaft 342 is installed on the X-direction floating plate 23 directly below the second telescopic shaft 342. And a fourth conical contact surface 343-1 that cooperates with the third conical contact surface 342-1 is provided at the outer edge of the hole of the second reference sleeve 343, ensuring that the Y-direction floating plate 33 can return to the reference point of the second reference sleeve 343 on the X-direction floating plate 23 during operation, thereby ensuring the movement accuracy of the Y-direction floating plate 33 while also ensuring the smoothness of its movement. It should be noted that the fitting accuracy between the fourth conical contact surface 343-1 on the second reference sleeve 343 and the third conical contact surface 342-1 at the head of the second telescopic shaft 342 needs to be processed in advance according to the actual usage requirements so that the machining tolerance is just within the range where two large-mass components interfere with each other during assembly.
[0034] Furthermore, the first floating member 2 further includes four first limit blocks 25, and the four first limit blocks 25 are symmetrically arranged at the four corners of the reference plate 1.
[0035] In this embodiment, four first limit blocks 25 are respectively installed at the four corners of the reference plate 1, and four notches are provided at the four corners of the X-direction floating plate 23. By the cooperation of the four first limit blocks 25 and the notches at the four corners of the X-direction floating plate 23, the floating range of the X-direction floating plate 23 relative to the first reference sleeve 243 is restricted, thereby improving the displacement accuracy of the X-direction floating plate 23.
[0036] Furthermore, the second floating member 3 further includes four second limit blocks 35, and the four second limit blocks 35 are arranged on both sides of the X-direction floating plate 23.
[0037] In this embodiment, four second limit blocks 35 are installed on the left and right sides of the X-direction floating plate 23 to restrict the floating range of the Y-direction floating plate 33 relative to the second reference sleeve 343, thereby improving the displacement accuracy of the Y-direction floating plate 33.
[0038] Furthermore, the first telescopic shaft 242, the first reference sleeve 243, the second telescopic shaft 342, and the second reference sleeve 343 are all made of self-lubricating material and finely processed.
[0039] In this embodiment, the first telescopic shaft 242, the first reference sleeve 243, the second telescopic shaft 342, and the second reference sleeve 343 are all made of self-lubricating material and finely processed to improve the displacement accuracy and movement smoothness between the telescopic shaft and the reference sleeve.
[0040] Furthermore, rolling press connections are adopted between the first guide rail 21 and the first slider 22, and between the second guide rail 31 and the second slider 32.
[0041] In this embodiment, rolling press connections are adopted between the first guide rail 21 and the first slider 22, and between the second guide rail 31 and the second slider 32. That is, steel balls are arranged in the sliders, and the sliders and the guide rails are in rolling contact through the steel balls. The friction mode is rolling friction, and the steel balls in the sliders are in a pressed state after being stressed with the guide rails, so as to improve the movement accuracy and smoothness of the X-direction floating plate 23 and the Y-direction floating plate 33 along the X-axis and the Y-axis.
[0042] During use, first, a fixture is installed on the Y-direction floating plate 33, and the large-mass part one is fixed on the Y-direction floating plate 33 through the fixture. Then, the manipulator grabs another large-mass part two and approaches the large-mass part one on the Y-direction floating plate 33. Before the two large-mass parts come into contact, the first cylinder 241 and the second cylinder 341 are controlled to extend the first telescopic shaft 242 and the second telescopic shaft 342 respectively. The first telescopic shaft 242 and the second telescopic shaft 342 are respectively inserted into the holes of the first reference sleeve 243 and the second reference sleeve 343. It should be noted that the fitting accuracies of the second tapered contact surface 243-1 and the first tapered contact surface 242-1, and the fourth tapered contact surface 343-1 and the third tapered contact surface 342-1 need to be processed in advance according to the usage requirements, so that the machining tolerance is just within the range where the two large-mass parts interfere with each other during assembly. When the two large-mass parts come into contact, the first cylinder 241 and the second cylinder 341 can be controlled to drive the first telescopic shaft 242 and the second telescopic shaft 342 to retract respectively. Since there are certain gaps between the second tapered contact surface 243-1 and the first tapered contact surface 242-1, and between the fourth tapered contact surface 343-1 and the third tapered contact surface 342-1, the X-direction floating plate 23 and the Y-direction floating plate 33 move precisely along the X-axis and Y-axis directions under the interference force of the two large-mass parts to be assembled until the two large-mass parts are assembled together.
[0043] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.
Claims
1. A new type of plane floating centering mechanism, characterized by: The invention comprises a reference plate (1), a first floating member (2) and a second floating member (3), wherein the first floating member (2) is arranged on the reference plate (1) and is used for the automated assembly of large-mass parts, and the second floating member (3) is arranged on the first floating member (2) and is used to cooperate with the first floating member; The first floating member (2) comprises two first guide rails (21), six first sliders (22), an X-direction floating plate (23) and a first centering member (24), the two first guide rails (21) being symmetrically arranged on both sides of the reference plate (1), the six first sliders (22) being symmetrically arranged on the two first guide rails (21), the X-direction floating plate (23) being arranged on the six first sliders (22), and the first centering member (24) being arranged on the X-direction floating plate (23); The second floating member (3) comprises two second guide rails (31), six second sliders (32), a Y-direction floating plate (33) and a second centering member (34), wherein the two second guide rails (31) are arranged on both sides of the X-direction floating plate (23), the six second sliders (32) are symmetrically arranged on the two second guide rails (31), the Y-direction floating plate (33) is arranged on the six second sliders (32), and the second centering member (34) is arranged on the Y-direction floating plate (33).
2. The novel plane floating centering mechanism according to claim 1 is characterized in that: The first centering member (24) comprises a first cylinder (241), a first telescopic shaft (242) and a first reference sleeve (243); the first cylinder (241) is arranged on the X-direction floating plate (23); the first telescopic shaft (242) is arranged on the first cylinder (241); the head of the first telescopic shaft (242) is provided with a first conical contact surface (242-1); the first reference sleeve (243) is arranged on the reference plate (1); the first reference sleeve (243) is located directly below the first telescopic shaft (242); and the first reference sleeve (243) is provided with a second conical contact surface (243-1) matched with the first conical contact surface (242-1); The second centering member (34) comprises a second cylinder (341), a second telescopic shaft (342) and a second reference sleeve (343); the second cylinder (341) is arranged on the Y-direction floating plate (33); the second telescopic shaft (342) is arranged on the second cylinder (341); the head of the second telescopic shaft (342) is provided with a third conical contact surface (342-1); the second reference sleeve (343) is arranged on the X-direction floating plate (23); the second reference sleeve (343) is located directly below the second telescopic shaft (342); and the second reference sleeve (343) is provided with a fourth conical contact surface (343-1) matching the third conical contact surface (342-1).
3. The novel planar floating centering mechanism according to claim 1 is characterized in that: The first floating member (2) further comprises four first limit blocks (25), and the four first limit blocks (25) are symmetrically arranged at the four corners of the reference plate (1).
4. The novel plane floating centering mechanism as claimed in claim 3 is characterized in that: The second floating member (3) further comprises four second limit blocks (35), and the four second limit blocks (35) are arranged on both sides of the X-direction floating plate (23).
5. The novel plane floating centering mechanism according to claim 2 is characterized in that: The first telescopic shaft (242), the first reference sleeve (243), the second telescopic shaft (342), and the second reference sleeve (343) are all made of self-lubricating material through precision machining.
6. The novel plane floating centering mechanism according to claim 1 is characterized in that: The first guide rail (21) and the first slider (22) as well as the second guide rail (31) and the second slider (32) are connected by rolling and pressing.