A ring-shaped parts positioning device

Abstract

The utility model provides an annular part positioning device, comprising a base, and also comprising a first mounting portion and a second mounting portion mounted on the base, the first mounting portion and the second mounting portion being concentrically arranged; a first positioning component is mounted on the first mounting portion, the first positioning component being used to support the inner wall of the annular part; a second positioning component is mounted on the second mounting portion, the second positioning component being used to position the outer wall of the annular part; a mounting area formed between the first positioning component and the second positioning component is used to position the annular part; a positioning component comprises a first positioning rod and a driving portion, the first positioning rod is slidably mounted on the first mounting portion, and a clearance groove is arranged in the first mounting portion; the utility model can solve the problem that the positioning device in the prior art easily causes deformation, damage or breakage of thin-walled annular parts during the positioning of the thin-walled annular parts.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a ring-shaped part positioning device. Background Art

[0002] Aircraft engines are highly complex and sophisticated thermal machines. As the heart of an aircraft, they are not only the driving force for the flight of an aircraft, but also an important driving force for the development of aviation. Every important change in the history of human aviation is inseparable from the technological progress of aircraft engines. Generally, there are ring-shaped parts in aircraft engines.

[0003] Because of the precision of aviation, the requirements for parts are also extremely high, so the annular parts need to be positioned when processing the annular parts; for example, the utility model with publication number CN218364080U discloses a positioning device for bearing ring processing (hereinafter referred to as: prior art 1) including a workbench, a mounting plate fixedly connected to the processing table, and also including: a triangular positioning mechanism, the triangular positioning mechanism is connected to the mounting plate, and the triangular positioning mechanism can fix the bearing ring by a three-way linkage clamping method; a drive assembly, the drive assembly is connected to the mounting plate, and one end of the drive assembly is transmission-connected to the triangular positioning mechanism.

[0004] Although the prior art 1 can realize the positioning processing of ordinary annular parts, when it is necessary to process thin-walled annular parts with a smaller wall thickness in an aircraft engine, the positioning device provided in the prior art 1 is likely to cause deformation or direct damage or breakage of the thin-walled annular parts during the positioning process of the thin-walled annular parts. Utility Model Content

[0005] The utility model aims to provide a ring-shaped part positioning device, which can solve the problem that the positioning device in the prior art easily causes the thin-walled ring-shaped part to be deformed, damaged or broken during the positioning process of the thin-walled ring-shaped part in actual use.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A ring-shaped part positioning device comprises a base, and further comprises a first mounting portion and a second mounting portion mounted on the base, wherein the first mounting portion and the second mounting portion are concentrically arranged;

[0008] A first positioning assembly is installed on the first mounting portion, and the first positioning assembly is used to support the inner wall of the annular part; a second positioning assembly is installed on the second mounting portion, and the second positioning assembly is used to position the outer wall of the annular part;

[0009] The mounting area formed between the first positioning assembly and the second positioning assembly is used to position the annular part.

[0010] Preferably, the first positioning assembly includes a first positioning rod and a driving portion, the first positioning rod is slidably mounted on the first mounting portion, a clearance groove is provided in the first mounting portion, one end of the first positioning rod passes through the first mounting portion and extends into the clearance groove; the driving portion is threadedly connected to the first mounting portion, a first driving surface is provided on the driving portion, and the first driving surface is used to drive the first positioning rod to move toward the inner wall of the annular part.

[0011] Preferably, a first ball cavity is provided at one end of the first positioning rod close to the driving part, and a first ball is rollingly connected in the ball cavity.

[0012] Preferably, a buffer pad is installed at one end of the first positioning rod away from the driving part.

[0013] Preferably, the second positioning assembly includes a second positioning rod and a driving ring, the second positioning rod is slidably mounted on the second mounting portion, the driving ring is threadedly connected to the second mounting portion, and a second driving surface is provided on the driving ring, and the second driving surface is used to drive the second positioning rod to move toward the outer wall of the annular part.

[0014] Preferably, a second ball cavity is provided at one end of the second positioning rod close to the driving ring, and a second ball is rollingly connected in the ball cavity.

[0015] Preferably, the first mounting portion and the second mounting portion are detachably connected to the base.

[0016] Preferably, a first step is provided at one end of the first positioning rod located in the give way slot, a spring is connected to the first step, and the first positioning rod is connected to the give way slot via the spring.

[0017] Preferably, a second step platform is provided at one end of the second positioning rod away from the driving ring, a tension spring is connected to the second step platform, and the second positioning rod is connected to the second mounting portion via the tension spring.

[0018] Preferably, a rotating rod is fixedly connected to the driving ring.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] In the present invention, the first mounting portion and the second mounting portion are fixedly connected to the base, and the first mounting portion and the second mounting portion are concentrically arranged; when the thin-walled annular part needs to be fixed, the thin-walled annular part is first placed in the mounting area formed between the first mounting portion and the second mounting portion, thereby achieving preliminary positioning of the thin-walled annular part;

[0021] After the thin-walled annular part is placed in the installation area, the inner wall of the thin-walled annular part can be supported by the first positioning component installed on the first installation part, thereby avoiding the problem in the prior art that the outer wall of the thin-walled annular part is directly clamped, which may easily cause deformation of the thin-walled annular part; and after the first positioning component supports the inner wall of the thin-walled annular part, the thin-walled annular part can be concentrically arranged with the first installation part and the second installation part under the action of the first positioning component, thereby further positioning the thin-walled annular part; the outer wall of the thin-walled annular part can be further positioned and supported by the second positioning component installed on the second installation part. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a three-dimensional diagram of the utility model.

[0024] Figure 2 It is a structural schematic diagram of the utility model.

[0025] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 101-base, 102-first mounting part, 103-second mounting part, 104-first positioning assembly, 105-second positioning assembly, 106-first positioning rod, 107-driving part, 108-yielding groove, 109-first driving surface, 110-first ball, 111-buffer pad, 112-second positioning rod, 113-driving ring, 114-second driving surface, 115-second ball, 116-first step platform, 117-spring, 118-second step platform, 119-tension spring, 120-rotating rod. DETAILED DESCRIPTION

[0028] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0029] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0031] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0032] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0034] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0035] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0036] See also Figure 1-Figure 3 This embodiment discloses a positioning device, which is mainly used for positioning thin-walled annular parts, and can also be called an annular part positioning device, including a base 101, and also including a first mounting portion 102 and a second mounting portion 103 mounted on the base 101, and the first mounting portion 102 and the second mounting portion 103 are concentrically arranged;

[0037] A first positioning assembly 104 is mounted on the first mounting portion 102, and the first positioning assembly 104 is used to support the inner wall of the annular part; a second positioning assembly 105 is mounted on the second mounting portion 103, and the second positioning assembly 105 is used to position the outer wall of the annular part;

[0038] The mounting area formed between the first positioning component 104 and the second positioning component 105 is used to position the annular part.

[0039] In the present embodiment, the first mounting portion 102 and the second mounting portion 103 are fixedly connected to the base 101. In the present embodiment, the first mounting portion 102 is a cylindrical structure, the second mounting portion 103 is a circular ring structure, and the first mounting portion 102 and the second mounting portion 103 are concentrically arranged; when it is necessary to fix the thin-walled annular part, the thin-walled annular part is first placed in the mounting area formed between the first mounting portion 102 and the second mounting portion 103, so as to achieve preliminary positioning of the thin-walled annular part; after the thin-walled annular part is placed in the mounting area, the inner wall of the thin-walled annular part can be supported by the first positioning component 104 installed on the first mounting portion 102, thereby avoiding the problem in the prior art that the outer wall of the thin-walled annular part is directly clamped and easily causes deformation of the thin-walled annular part; and after the first positioning component 104 supports the inner wall of the thin-walled annular part, the thin-walled annular part can be concentrically arranged with the first mounting portion 102 and the second mounting portion 103 under the action of the first positioning component 104, so as to achieve the initial positioning of the thin-walled annular part. The parts are further positioned; when it is necessary to process the upper and lower surfaces of the thin film annular part, the outer wall of the thin-walled annular part can be further positioned and supported by the second positioning component 105 installed on the second mounting portion 103, so that by simultaneously supporting the inner and outer walls of the thin-walled annular part, the problem of deformation, direct damage or breakage of the thin-walled annular part that is easily caused during the positioning of the thin-walled annular part is further avoided; in this embodiment, when it is necessary to process the outer wall of the thin-walled annular part, the inner wall of the thin-walled annular part can be supported and positioned only by the first positioning component 104, and when it is necessary to process the inner wall of the thin-walled annular part, the inner wall of the thin-walled annular part can be supported and positioned only by the second positioning component 105, so as to avoid the first positioning component 104 or the second positioning component 105 affecting the thin-walled annular part; after completing the processing of the thin-walled annular part, the drive ring 113 and the drive portion 107 are driven to move vertically upward, and the thin positioning ring can be removed from the mounting area.

[0040] In some embodiments, the first positioning assembly 104 includes a first positioning rod 106 and a driving portion 107, the first positioning rod 106 is slidably mounted on the first mounting portion 102, a clearance groove 108 is provided in the first mounting portion 102, one end of the first positioning rod 106 passes through the first mounting portion 102 and extends into the clearance groove 108; the driving portion 107 is threadedly connected to the first mounting portion 102, and a first driving surface 109 is provided on the driving portion 107, and the first driving surface 109 is used to drive the first positioning rod 106 to move toward the inner wall of the annular part. In this embodiment, there are a plurality of first positioning rods 106, and the plurality of first positioning rods 106 are arranged at equal intervals along the circumferential direction of the first mounting portion 102; when the thin-walled annular part needs to be positioned, the driving portion 107 is rotated to move the driving portion 107 vertically downward, and after the first driving surface 109 provided on the driving portion 107 contacts one end of the first positioning rod 106 located in the yield groove 108, the plurality of first positioning rods 106 are guided by the first driving surface 109 moving vertically downward and move simultaneously toward the direction of the inner wall of the thin-walled annular part until they contact the inner wall of the thin-walled annular part, thereby realizing the positioning and support of the thin-walled annular part.

[0041] In some embodiments, a first ball cavity is provided at one end of the first positioning rod 106 close to the driving part 107, and a first ball 110 is rollingly connected in the ball cavity. The first ball 110 can convert the sliding friction between the first positioning rod 106 and the first driving surface 109 into rolling friction, thereby preventing the first driving surface 109 from scratching the first positioning rod 106 during the process of driving the first positioning rod 106 to move.

[0042] In some embodiments, a buffer pad 111 is installed at one end of the first positioning rod 106 away from the driving part 107. The buffer pad 111 is made of rubber material, and the buffer pad 111 can prevent the first positioning rod 106 from colliding with the thin-walled annular part during the process of positioning and supporting the thin-walled annular part.

[0043] In some embodiments, the second positioning assembly 105 includes a second positioning rod 112 and a driving ring 113, wherein the second positioning rod 112 is slidably mounted on the second mounting portion 103, the driving ring 113 is threadedly connected to the second mounting portion 103, and a second driving surface 114 is provided on the driving ring 113, and the second driving surface 114 is used to drive the second positioning rod 112 to move toward the outer wall of the annular part. In this embodiment, there are a plurality of second positioning rods 112, and the plurality of second positioning rods 112 are arranged at equal intervals along the circumferential direction of the second mounting portion 103; when it is necessary to further position the thin-walled annular part, the driving ring 113 is rotated so that the driving ring 113 moves vertically downward, and after the second driving surface 114 provided on the driving ring 113 contacts the end of the second positioning rod 112 away from the thin-walled annular part, the plurality of second positioning rods 112 are simultaneously moved toward the outer wall of the thin-walled annular part under the guidance of the second driving surface 114 moving vertically downward until they contact the outer wall of the thin-walled annular part, thereby achieving further support and positioning of the thin-walled annular part.

[0044] In some embodiments, a second ball cavity is provided at one end of the second positioning rod 112 close to the driving ring 113, and a second ball 115 is rollingly connected in the ball cavity. The second ball 115 can convert the sliding friction generated between the second positioning rod 112 and the second driving surface 114 into rolling friction, thereby preventing the second driving surface 114 from scratching the first positioning rod 106 during the process of driving the second positioning rod 112 to move.

[0045] In some embodiments, the first mounting portion 102 and the second mounting portion 103 are detachably connected to the base 101. Two thread grooves are concentrically arranged on the base 101, and the first mounting portion 102 and the second mounting portion 103 are detachably connected to the base 101 through the thread grooves. By making the first mounting portion 102 and the second mounting portion 103 detachably connected to the base 101, it is convenient to take the thin-walled annular parts and to replace the first mounting portion 102 and the second mounting portion 103; in this embodiment, the rotation direction of the first mounting portion 102 is opposite to the rotation direction of the driving portion 107, and the rotation direction of the second mounting portion 103 is opposite to the rotation direction of the driving ring 113.

[0046] In some embodiments, a first step platform 116 is provided at one end of the first positioning rod 106 located in the clearance groove 108, and a spring 117 is connected to the first step platform 116, and the first positioning rod 106 is connected to the clearance groove 108 through the spring 117. When the first positioning rod 106 moves toward the inner wall of the thin-walled annular part under the drive of the first driving surface 109, the spring 117 is compressed; when the thin-walled annular part is processed and the driving part 107 moves vertically upward, the first positioning rod 106 is reset under the action force of the spring 117 to resist elastic deformation.

[0047] In some embodiments, a second step platform 118 is provided at one end of the second positioning rod 112 away from the driving ring 113, and a tension spring 119 is connected to the second step platform 118, and the second positioning rod 112 is connected to the second mounting portion 103 through the tension spring 119. When the second positioning rod 112 moves toward the outer wall of the thin-walled annular part under the drive of the second driving surface 114, the tension spring 119 is stretched; when the thin-walled annular part is processed and the driving ring 113 moves vertically upward, the second positioning rod 112 is reset under the action of the tension spring 119 to resist elastic deformation.

[0048] In some embodiments, a rotating rod 120 is fixedly connected to the driving ring 113. The rotating rod 120 fixedly connected to the driving ring 113 can facilitate an operator to rotate the driving ring 113.

[0049] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ring-shaped component positioning device, comprising a base (101), characterized in that: It also includes a first mounting portion (102) and a second mounting portion (103) mounted on the base (101), wherein the first mounting portion (102) and the second mounting portion (103) are concentrically arranged; A first positioning assembly (104) is mounted on the first mounting portion (102), and the first positioning assembly (104) is used to support the inner wall of the annular part; a second positioning assembly (105) is mounted on the second mounting portion (103), and the second positioning assembly (105) is used to position the outer wall of the annular part; The mounting area formed between the first positioning component (104) and the second positioning component (105) is used to position the annular part.

2. The annular part positioning device according to claim 1, characterized in that: The first positioning assembly (104) comprises a first positioning rod (106) and a driving part (107); the first positioning rod (106) is slidably mounted on the first mounting part (102); a clearance groove (108) is provided in the first mounting part (102); one end of the first positioning rod (106) passes through the first mounting part (102) and extends into the clearance groove (108); the driving part (107) is threadedly connected to the first mounting part (102); a first driving surface (109) is provided on the driving part (107); the first driving surface (109) is used to drive the first positioning rod (106) to move toward the inner wall of the annular part.

3. The annular part positioning device according to claim 2, characterized in that: A first ball cavity is provided at one end of the first positioning rod (106) close to the driving part (107), and a first ball (110) is rollingly connected in the ball cavity.

4. The annular part positioning device according to claim 2, characterized in that: A buffer pad (111) is installed at one end of the first positioning rod (106) away from the driving part (107).

5. The annular component positioning device according to claim 1, characterized in that: The second positioning assembly (105) comprises a second positioning rod (112) and a driving ring (113), wherein the second positioning rod (112) is slidably mounted on the second mounting portion (103), the driving ring (113) is threadedly connected to the second mounting portion (103), and a second driving surface (114) is provided on the driving ring (113), and the second driving surface (114) is used to drive the second positioning rod (112) to move toward the outer wall of the annular part.

6. The annular component positioning device according to claim 5, characterized in that: A second ball cavity is provided at one end of the second positioning rod (112) close to the driving ring (113), and a second ball (115) is rollingly connected in the ball cavity.

7. The annular component positioning device according to claim 5, characterized in that: The first mounting portion (102) and the second mounting portion (103) are detachably connected to the base (101).

8. The annular component positioning device according to claim 2, characterized in that: A first step platform (116) is provided at one end of the first positioning rod (106) located in the clearance groove (108), and a spring (117) is connected to the first step platform (116). The first positioning rod (106) is connected to the clearance groove (108) via the spring (117).

9. The annular component positioning device according to claim 5, characterized in that: A second step platform (118) is provided at one end of the second positioning rod (112) away from the driving ring (113), and a tension spring (119) is connected to the second step platform (118). The second positioning rod (112) is connected to the second mounting portion (103) via the tension spring (119).

10. The annular component positioning device according to claim 7, characterized in that: A rotating rod (120) is fixedly connected to the driving ring (113).

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