Rotating device for diffusion welding

Abstract

The utility model relates to a rotating device for diffusion welding. The rotating device sequentially comprises a side furnace body and a lower furnace body from top to bottom, the rotary supporting assembly comprises a rotary shaft, a product to be machined is placed on the platform, stirring blades are installed on the rotary shaft below the platform, and the spherical connecting pipe is connected with the product to be machined through a vacuumizing connecting pipe. The side, close to the bottom, of the rotating shaft and the lower furnace body are installed together from top to bottom through two first sealing structures, a driving shaft of the motor assembly is connected with a chain wheel supporting shaft through a chain wheel transmission mechanism, and a vacuum pipeline is installed at the bottom of the chain wheel supporting shaft through a second sealing structure. The rotary supporting assembly not only can support a product, but also can stir gas, and then isobaric welding is achieved after the temperature of the gas is uniform.

Description

Technical Field

[0001] The utility model relates to the technical field related to gas pressure diffusion welding equipment, in particular to a rotating device for diffusion welding. Background Art

[0002] Vacuum diffusion welding can weld almost all metal and non-metal materials, with high weld precision, small deformation, and no fusion welding defects in the weld. It is the only method to make vacuum-tight, heat-resistant, vibration-resistant and non-deformation joints, so it is widely used in industrial production.

[0003] After massive searches, it was found that the prior art publication number is CN218426181U, which discloses a vacuum diffusion welding device, including: a base, a connecting frame is installed on the top of the base, a top plate is installed on the top of the connecting frame, a welding furnace is installed on the top of the base, a hydraulic cylinder is installed on the top of the welding furnace, and the output end of the hydraulic cylinder extends into the inner cavity of the welding furnace, an electric control box is installed on the left side of the base, a motor is installed on the rear side of the base, and the output end of the motor extends into the inner cavity of the base, a first bracket is installed in the inner cavity of the base, and a turntable is installed on the outer wall of the first bracket through a bearing. In actual use, the vacuum diffusion welding device can limit and support the rear and left sides of the parent material placed in the inner cavity of the welding furnace. When the parent material fits the two, the parent material can be straightened by aligning the front and right sides, which is convenient for the staff to operate and avoid deviations.

[0004] In summary, in existing vacuum diffusion welding equipment, the uniformity of gas temperature is generally not very ideal, and the gas temperature at the lower end of the furnace body is generally low.

[0005] In view of the above-mentioned defects, the designer actively carried out research and innovation in order to create a diffusion welding rotating device to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve any of the above technical problems, the purpose of the utility model is to provide a rotating device for diffusion welding.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A diffusion welding rotating device comprises a side furnace body and a lower furnace body from top to bottom, a side furnace body support is arranged on the outer side of the side furnace body, a lower furnace body support is arranged on the bottom of the lower furnace body, and a product to be processed is located in a furnace cavity of the side furnace body;

[0009] It also includes a rotating support assembly, which includes a rotating shaft, a platform is installed on the top of the rotating shaft, and a platform side bracket for supporting the upper platform is installed on the rotating shaft, the product to be processed is placed on the platform, a stirring blade is installed on the rotating shaft below the platform, a rotating shaft plugging plate is installed between the top of the rotating shaft and the platform, a ball-type pipe is installed on the rotating shaft plugging plate, and the ball-type pipe is connected to the product to be processed through a vacuum connection pipe;

[0010] The side of the rotating shaft close to the bottom is installed together with the lower furnace body from top to bottom through two first sealing structures. A sprocket support shaft is arranged at the bottom of the rotating shaft. A motor assembly is installed on the motor bracket on the right side of the sprocket support shaft. The driving shaft of the motor assembly is connected to the sprocket support shaft through a sprocket transmission mechanism. A vacuum pipe is installed at the bottom of the sprocket support shaft through a second sealing structure.

[0011] As a further improvement of the utility model, a side heat insulation screen is arranged in the side furnace body outside the product, and a lower heat insulation screen is arranged in the lower furnace body below the product.

[0012] As a further improvement of the utility model, the first sealing structure includes a first bearing and a first bearing pressure ring, the first bearing is installed between the lower furnace body and the inner rotating shaft, the first bearing pressure ring is installed on the outer side of the first bearing, a first sealing ring is installed between the first bearing pressure ring and the lower furnace body, and several second sealing rings are installed in sequence from top to bottom between the first bearing pressure ring and the rotating shaft, the first sealing ring pressure ring is located above the topmost second sealing ring, and a first sealing ring spacer is installed between adjacent second sealing rings.

[0013] As a further improvement of the utility model, two first bearings are installed in sequence from top to bottom between the lower furnace body and the inner rotating shaft, and a bearing spacer is installed on the rotating shaft between the two first bearings.

[0014] As a further improvement of the utility model, the motor assembly includes a motor and a sprocket shaft, the sprocket transmission mechanism includes a first sprocket, a chain and a second sprocket, the motor is installed on the motor bracket on the right, the drive shaft on the top of the motor is connected to the sprocket shaft above through a coupling, and the first sprocket installed on the sprocket shaft is connected to the second sprocket installed on the sprocket support shaft through a chain.

[0015] As a further improvement of the utility model, a plurality of shaft supports are installed on the motor support along the vertical direction, and the sprocket shaft is installed on the shaft support through the second bearing and the second bearing pressure ring.

[0016] As a further improvement of the utility model, first sprocket retaining rings are installed on the sprocket shafts on both upper and lower sides of the first sprocket, and second sprocket retaining rings are installed on the sprocket support shafts on both upper and lower sides of the second sprocket.

[0017] As a further improvement of the utility model, the second sealing structure includes a vacuum connecting shaft and a second sealing ring pressure ring. The top of the vacuum pipe is connected to the upper sprocket support shaft through the vacuum connecting shaft. A third sealing ring is installed between the vacuum connecting shaft and the vacuum pipe. Several fourth sealing rings are installed in sequence from top to bottom between the vacuum connecting shaft and the inner sprocket support shaft. The second sealing ring pressure ring is located above the topmost fourth sealing ring, and a second sealing ring spacer is installed between adjacent fourth sealing rings.

[0018] By means of the above solution, the utility model has at least the following advantages:

[0019] The rotary support assembly of the utility model can not only support the product, but also stir the gas, thereby achieving isobaric welding after the gas temperature is uniform.

[0020] The utility model realizes vacuum discharge by connecting the rotating support assembly with the product, and does not need to open a hole on the furnace wall, thus reducing the risk of opening a hole in the furnace body.

[0021] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments 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 structural schematic diagram of a diffusion welding rotating device of the utility model;

[0024] Figure 2 yes Figure 1 A schematic diagram of the structure of the central rotating support assembly;

[0025] Figure 3 yes Figure 1 A structural schematic diagram of the first sealing structure;

[0026] Figure 4 yes Figure 1 Schematic diagram of the structure of the motor assembly;

[0027] Figure 5 yes Figure 1 Structural schematic diagram of the second sealing structure in FIG.

[0028] The meanings of the various reference numerals in the figures are as follows.

[0029] Side furnace body 1, side furnace body bracket 2, product 3, vacuum connection pipe 4, furnace chamber 5, side heat insulation screen 6, rotating support assembly 7, lower heat insulation screen 8, lower furnace body 9, lower furnace body bracket 10, first sealing structure 11, motor bracket 12, motor assembly 13, vacuum pipeline 14, second sealing structure 15, rotating shaft 16, platform 17, ball-type pipe 18, stirring blade 19, rotating shaft plug 20, platform side bracket 21, sprocket support shaft 22, first bearing 23, bearing spacer 24, the first A bearing pressure ring 25, a first sealing ring 26, a first sealing ring pressure ring 27, a second sealing ring 28, a first sealing ring spacer 29, a motor 30, a coupling 31, a sprocket shaft 32, a shaft support 33, a second bearing 34, a second bearing pressure ring 35, a first sprocket 36, a first sprocket retaining ring 37, a chain 38, a second sprocket 39, a second sprocket retaining ring 40, a vacuum connecting shaft 41, a third sealing ring 42, a second sealing ring pressure ring 43, a fourth sealing ring 44, and a second sealing ring spacer 45. DETAILED DESCRIPTION

[0030] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0032] Example

[0033] like Figure 1 to Figure 5 As shown,

[0034] A diffusion welding rotating device includes a side furnace body 1 and a lower furnace body 9 from top to bottom, a side furnace body support 2 is arranged on the outside of the side furnace body 1, a lower furnace body support 10 is arranged on the bottom of the lower furnace body 9, and a product 3 to be processed is located in a furnace cavity 5 of the side furnace body 1. A side heat insulation screen 6 is arranged in the side furnace body 1 outside the product 3, and a lower heat insulation screen 8 is arranged in the lower furnace body 9 below the product 3.

[0035] 1. Rotating support assembly 7:

[0036] The rotating support assembly 7 includes a rotating shaft 16, a platform 17 is installed on the top of the rotating shaft 16, and a platform side bracket 21 is installed on the rotating shaft 16 for supporting the upper platform 17. The product 3 to be processed is placed on the platform 17, and a stirring blade 19 is installed on the rotating shaft 16 below the platform 17. A rotating shaft plug 20 is installed between the top of the rotating shaft 16 and the platform 17. A ball-type pipe 18 is installed on the rotating shaft plug 20, and the ball-type pipe 18 is connected to the product 3 to be processed through a vacuum connecting pipe 4.

[0037] 2. The side of the rotating shaft 16 close to the bottom is installed together with the lower furnace body 9 from top to bottom through two first sealing structures 11, a sprocket support shaft 22 is arranged at the bottom of the rotating shaft 16, a motor assembly 13 is installed on the motor bracket 12 on the right side of the sprocket support shaft 22, a driving shaft of the motor assembly 13 is connected to the sprocket support shaft 22 through a sprocket transmission mechanism, and a vacuum pipe 14 is installed at the bottom of the sprocket support shaft 22 through a second sealing structure 15.

[0038] 1. The first sealing structure 11 includes a first bearing 23 and a first bearing pressure ring 25. The first bearing 23 is installed between the lower furnace body 9 and the inner rotating shaft 16. The first bearing pressure ring 25 is installed on the outer side of the first bearing 23. A first sealing ring 26 is installed between the first bearing pressure ring 25 and the lower furnace body 9. A plurality of second sealing rings 28 are installed in sequence from top to bottom between the first bearing pressure ring 25 and the rotating shaft 16. The first sealing ring pressure ring 27 is located above the uppermost second sealing ring 28, and a first sealing ring spacer 29 is installed between adjacent second sealing rings 28.

[0039] In addition, two first bearings 23 are installed in sequence from top to bottom between the lower furnace body 9 and the inner rotating shaft 16 , and a bearing spacer 24 is installed on the rotating shaft 16 between the two first bearings 23 .

[0040] 2. The second sealing structure 15 includes a vacuum connecting shaft 41 and a second sealing ring pressure ring 43. The top of the vacuum pipe 14 is connected to the upper sprocket support shaft 22 through the vacuum connecting shaft 41. A third sealing ring 42 is installed between the vacuum connecting shaft 41 and the vacuum pipe 14. Several fourth sealing rings 44 are installed in sequence from top to bottom between the vacuum connecting shaft 41 and the inner sprocket support shaft 22. The second sealing ring pressure ring 43 is located above the top fourth sealing ring 44, and a second sealing ring spacer 45 is installed between adjacent fourth sealing rings 44.

[0041] 3. The motor assembly 13 includes a motor 30 and a sprocket shaft 32. The sprocket transmission mechanism includes a first sprocket 36, a chain 38 and a second sprocket 39. The motor 30 is installed on the motor bracket 12 on the right side. The drive shaft on the top of the motor 30 is connected to the upper sprocket shaft 32 through a coupling 31. The first sprocket 36 installed on the sprocket shaft 32 is connected to the second sprocket 39 installed on the sprocket support shaft 22 through a chain 38.

[0042] Several shaft supports 33 are installed on the motor support 12 along the vertical direction, and the sprocket shaft 32 is installed on the shaft support 33 through the second bearing 34 and the second bearing pressure ring 35. The first sprocket retaining ring 37 is installed on the sprocket shaft 32 on both sides of the first sprocket 36, and the second sprocket retaining ring 40 is installed on the sprocket support shaft 22 on both sides of the second sprocket 39.

[0043] The rotating support assembly 7 in the diffusion welding equipment is used to stir the argon gas in the furnace chamber 5 to make the gas temperature more uniform, while ensuring isolation from the outside to maintain pressure and evacuating the product.

[0044] The temperature uniformity of the gas in general pressure diffusion welding equipment is not as perfect as the ideal one, so it can be improved by the rotating support assembly 7 in the utility model to make the temperature of the gas relatively uniform. At the same time, it can ensure that the argon gas in the furnace body cannot leak to ensure the pressure, and it must also ensure that the vacuum pump outside is connected to the product and sealed, and the vacuum pump outside can evacuate the product. Diffusion connection under high temperature and high pressure is achieved, and the temperature is relatively uniform, thereby achieving isobaric welding.

[0045] The rotating support assembly 7 can rotate simultaneously through multiple sealing structures. The sealing structures are rotated through sealing rings, and the rotation is carried out outside the furnace through a sprocket transmission mechanism and a motor assembly 13.

[0046] The functions of the rotating support assembly 7 are to support the product so that the product is placed in a uniform area of ​​the furnace body, and to circulate the gas in the furnace. The temperature of the lower end of the furnace gas without a rotating device is relatively low. When rotating, the stirring blades 19 stir the lower gas and the upper gas to exchange heat, thereby reducing the probability of uneven temperature.

[0047] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0048] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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, it can be an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0049] 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 a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A diffusion welding rotating device, comprising, from top to bottom, a side furnace body (1) and a lower furnace body (9), wherein a side furnace body support (2) is arranged on the outer side of the side furnace body (1), and a lower furnace body support (10) is arranged on the bottom of the lower furnace body (9), and a product (3) to be processed is located in a furnace cavity (5) of the side furnace body (1); Features: The machine also comprises a rotating support assembly (7), wherein the rotating support assembly (7) comprises a rotating shaft (16), a platform (17) is mounted on the top of the rotating shaft (16), and a platform side bracket (21) is mounted on the rotating shaft (16) for supporting the upper platform (17), a product (3) to be processed is placed on the platform (17), a stirring blade (19) is mounted on the rotating shaft (16) below the platform (17), a rotating shaft plug (20) is mounted between the top of the rotating shaft (16) and the platform (17), a ball-type pipe (18) is mounted on the rotating shaft plug (20), and the ball-type pipe (18) is connected to the product (3) to be processed via a vacuum connection pipe (4); The side of the rotating shaft (16) close to the bottom is installed with the lower furnace body (9) from top to bottom through two first sealing structures (11); a sprocket support shaft (22) is arranged at the bottom of the rotating shaft (16); a motor assembly (13) is installed on the motor bracket (12) on the right side of the sprocket support shaft (22); the driving shaft of the motor assembly (13) is connected to the sprocket support shaft (22) through a sprocket transmission mechanism; and a vacuum pipe (14) is installed at the bottom of the sprocket support shaft (22) through a second sealing structure (15).

2. A diffusion welding rotating device as claimed in claim 1, characterized in that: A side heat insulation screen (6) is arranged in the side furnace body (1) outside the product (3), and a lower heat insulation screen (8) is arranged in the lower furnace body (9) below the product (3).

3. A diffusion welding rotating device as claimed in claim 1, characterized in that: The first sealing structure (11) comprises a first bearing (23) and a first bearing pressure ring (25); the first bearing (23) is installed between the lower furnace body (9) and the inner rotating shaft (16); the first bearing pressure ring (25) is installed on the outer side of the first bearing (23); a first sealing ring (26) is installed between the first bearing pressure ring (25) and the lower furnace body (9); a plurality of second sealing rings (28) are installed in sequence from top to bottom between the first bearing pressure ring (25) and the rotating shaft (16); the first sealing ring pressure ring (27) is located above the uppermost second sealing ring (28); and a first sealing ring spacer (29) is installed between adjacent second sealing rings (28).

4. A diffusion welding rotating device as claimed in claim 3, characterized in that: Two first bearings (23) are installed in sequence from top to bottom between the lower furnace body (9) and the inner rotating shaft (16), and a bearing spacer (24) is installed on the rotating shaft (16) between the two first bearings (23).

5. A diffusion welding rotating device as claimed in claim 1, characterized in that: The motor assembly (13) comprises a motor (30) and a sprocket shaft (32); the sprocket transmission mechanism comprises a first sprocket (36), a chain (38) and a second sprocket (39); the motor (30) is mounted on the motor bracket (12) on the right side; the drive shaft on the top of the motor (30) is connected to the sprocket shaft (32) above via a coupling (31); the first sprocket (36) mounted on the sprocket shaft (32) is connected to the second sprocket (39) mounted on the sprocket support shaft (22) via a chain (38).

6. A diffusion welding rotating device as claimed in claim 5, characterized in that: A plurality of shaft supports (33) are installed on the motor support (12) along the vertical direction, and the sprocket shaft (32) is installed on the shaft support (33) via a second bearing (34) and a second bearing pressure ring (35).

7. A diffusion welding rotating device as claimed in claim 5, characterized in that: First sprocket retaining rings (37) are installed on the sprocket shafts (32) on both upper and lower sides of the first sprocket (36), and second sprocket retaining rings (40) are installed on the sprocket support shafts (22) on both upper and lower sides of the second sprocket (39).

8. A diffusion welding rotating device as claimed in claim 1, characterized in that: The second sealing structure (15) comprises a vacuum connecting shaft (41) and a second sealing ring pressure ring (43); the top of the vacuum pipe (14) is connected to the upper sprocket support shaft (22) via the vacuum connecting shaft (41); a third sealing ring (42) is installed between the vacuum connecting shaft (41) and the vacuum pipe (14); a plurality of fourth sealing rings (44) are installed in sequence from top to bottom between the vacuum connecting shaft (41) and the inner sprocket support shaft (22); the second sealing ring pressure ring (43) is located above the uppermost fourth sealing ring (44), and a second sealing ring spacer (45) is installed between adjacent fourth sealing rings (44).

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