CN213969414U - Turbine auxiliary tool that brazes - Google Patents
Turbine auxiliary tool that brazes Download PDFInfo
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- CN213969414U CN213969414U CN202022734780.6U CN202022734780U CN213969414U CN 213969414 U CN213969414 U CN 213969414U CN 202022734780 U CN202022734780 U CN 202022734780U CN 213969414 U CN213969414 U CN 213969414U
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Abstract
The utility model discloses a turbine appurtenance that brazes, including placing the step form cylinder structure on the stove guipure of brazing, the turbine assembly that hangs brazing filler metal is installed at step form cylinder structurally, carries out the operation of brazing. By adopting the utility model, the height deformation of the turbine assembly after brazing is obviously reduced, the consistency is good, and the height of the turbine shell meets the design requirement of the product; the operability is strong, the brazing tool is convenient to place, the brazing quality is ensured, the turning and deburring are not needed after brazing, the production cost is greatly reduced, and the method is suitable for mass production takt; the brazing method can be widely applied to brazing of turbine assemblies of hydraulic torque converters of different models, and can also be applied to brazing of thin-wall parts similar in shape.
Description
Technical Field
The utility model relates to a manufacturing and processing technology field of hydraulic torque converter turbine assembly, concretely relates to turbine appurtenance that brazes.
Background
The turbine assembly is one of main sub-assemblies in the hydraulic torque converter, the hydraulic torque converter causes the interconversion of mechanical energy and hydraulic energy to transmit power through the interaction of working wheel blades, the hydraulic torque converter has the capacity of steplessly and continuously changing the rotating speed and the torque, and has a very important function of ensuring that the strength of the whole part meets the requirement in the high-speed rotating process of the hydraulic torque converter.
In order to improve the performance of the hydraulic torque converter, the assembly clearance filling rate of the whole turbine assembly reaches 100 percent, which is one of effective measures. Therefore, the turbine assembly is brazed to become a necessary process in the processing process of the turbine assembly, one set of turbine assembly mainly comprises 1 turbine shell, 29 turbine blades and one turbine inner ring, the gap between the root of each blade and the turbine shell, the gap between the upper end face of each blade and the inner ring and the gap between each blade claw and the inner ring are required to be filled fully after brazing, the highest heating temperature reaches 1115 ℃ during brazing, the thicknesses of the turbine shell, the turbine blades and the turbine inner ring are 1-1.5mm, the turbine brazing belongs to the welding of thin-wall parts, the deformation of the parts after welding is large and uneven, the whole part after brazing tends to be lifted upwards, the height size of the internal parts of the hydraulic torque converter has strict requirements, otherwise, the parts can interfere with other sub-assemblies, and the control of the height difference of the outer end face after brazing of the turbine assembly is always a difficult problem of batch brazing of the turbine assembly, and is a problem to be solved for manufacturing a torque converter.
The existing turbine assembly brazing is to directly place parts hung with brazing filler metal on a brazing furnace mesh belt for brazing, and the main problems of the existing turbine assembly brazing are as follows: firstly, the height of the outer end face of the turbine assembly after brazing is out of tolerance and interferes with other sub-assemblies; secondly, two working procedures are required to be added due to the height over-difference, and the machining cost is greatly increased due to the turning and deburring; and thirdly, mass production is severely restricted.
Disclosure of Invention
The utility model aims at providing a simple structure, the clamping is convenient, the practicality is strong and can guarantee turbine assembly's turbine appurtenance that brazes of quality.
The technical scheme who adopts for realizing the utility model discloses the purpose is such, a turbine appurtenance of brazing, including step form cylinder structure, step form cylinder structure is made by the heat-resisting material that heat-resisting temperature is more than or equal to 1200 ℃, and step form cylinder structure includes cylinder structure I and cylinder structure II.
The axial of cylinder structure I and cylinder structure II is all vertical and coincidence, and cylinder structure I is fixed in the upper end of cylinder structure II, and the external diameter of cylinder structure I is less than the external diameter of cylinder structure II.
The step-shaped cylinder structure is provided with round holes penetrating through the upper end face and the lower end face of the step-shaped cylinder structure, and the axis of the cylinder structure I coincides with the axis of the cylinder structure II.
The step-shaped cylindrical structure is placed on a brazing furnace mesh belt, and the turbine assembly hung with the brazing filler metal is installed on the step-shaped cylindrical structure. The turbine assembly comprises a turbine shell, and the diameter of a center hole of the turbine shell is larger than the outer diameter of the cylindrical structure I and smaller than the outer diameter of the cylindrical structure II.
Inner wall up the turbine shell is established on cylinder structure I through its centre bore cover, and there is the clearance in the centre bore of turbine shell and the lateral wall of cylinder structure I, and the lower surface of turbine shell supports tightly with the upper surface of cylinder structure II.
Further, the stepped cylindrical structure is made of RTCr 28.
Furthermore, the outer diameter of the cylindrical structure II is 80-95mm, the height of the cylindrical structure II is 12-15mm, and the planeness of the upper end face and the planeness of the lower end face are both less than or equal to 0.5 mm.
The diameter of the cylinder structure I is 60-65mm, and the height of the cylinder structure I is 2.5-3.5 mm.
The diameter of the round hole is 30-35 mm.
Further, the clearance between the central hole of the turbine shell and the side wall of the cylindrical structure I is 0.15-0.25 mm.
The beneficial effects of the utility model reside in that:
1. the brazing quality is obviously improved: after the turbine assembly is used, the height deformation of the turbine assembly after brazing is obviously reduced, the consistency is good, and the height of the turbine shell meets the design requirement of a product;
2. the utility model has strong operability, the brazing tool is convenient to place, the brazing quality is ensured, and simultaneously, the turning and deburring are not needed after brazing, the production cost is greatly reduced, the production cost is suitable for mass production beats, and the production efficiency is improved;
3. the utility model discloses but the brazing of different model hydraulic torque converter turbine assemblies of extensive being applied to, also can be applied to the brazing of the similar thin wall part of shape, application scope is wide.
Drawings
FIG. 1 is a schematic view of a turbine assembly placed on a brazing aid tool;
FIG. 2 is a front view of a brazing assist tool;
FIG. 3 is a top view of a brazing assist tool.
In the figure: cylinder structure I1, cylinder structure II 2, round hole 3 and turbine shell 4.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
the embodiment discloses a turbine brazing auxiliary tool which comprises a step-shaped cylindrical structure, wherein the step-shaped cylindrical structure is made of a heat-resistant material with the heat-resistant temperature of more than or equal to 1200 ℃, and in the embodiment, the step-shaped cylindrical structure is made of RTCr 28. Step-like cylindrical structure includes cylindrical structure I1 and cylindrical structure II 2.
Referring to fig. 2, the axial of cylinder structure I1 and cylinder structure II 2 is all vertical and coincidence, and cylinder structure I1 is fixed in the upper end of cylinder structure II 2, and the external diameter of cylinder structure I1 is less than the external diameter of cylinder structure II 2.
Referring to fig. 3, the step-shaped cylindrical structure is provided with a circular hole 3 penetrating through the upper end surface and the lower end surface of the step-shaped cylindrical structure, and the axes of the cylindrical structure I1 and the cylindrical structure II 2 are overlapped.
The diameter of the cylindrical structure I1 is 60-65mm, and the height is 2.5-3.5 mm.
The outer diameter of the cylindrical structure II 2 is 80-95mm, the height is 12-15mm, and the flatness of the upper end face and the flatness of the lower end face are both less than or equal to 0.5 mm.
The diameter of the round hole 3 is 30-35 mm.
The step-shaped cylindrical structure is placed on a brazing furnace mesh belt, and the turbine assembly hung with the brazing filler metal is installed on the step-shaped cylindrical structure. The turbine assembly comprises a turbine shell 4, and the diameter of a central hole of the turbine shell 4 is larger than the outer diameter of the cylindrical structure I1 and smaller than the outer diameter of the cylindrical structure II 2.
Referring to fig. 1, the turbine casing 4 with the upward inner wall is sleeved on the cylindrical structure i 1 through the central hole thereof, and with the present embodiment, it is required to control the dimensional tolerance of the central hole of the turbine casing 4, and there is a gap of 0.15-0.25mm between the central hole of the turbine casing 4 and the side wall of the cylindrical structure i 1, so as to implement clearance fit, and the lower surface of the turbine casing 4 abuts against the upper surface of the cylindrical structure ii 2.
When the turbine assembly is brazed, the step-shaped cylindrical structure is placed on a mesh belt of a brazing furnace, and then the turbine assembly with the brazing filler metal hung is placed on the step-shaped cylindrical structure, so that the turbine shell 4 is not in direct contact with the mesh belt when the turbine assembly is brazed, and brazed parts are prevented from being influenced by mesh belt fluctuation and mesh belt unevenness under the high-temperature softening state.
Example 2:
the embodiment discloses a turbine brazing auxiliary tool, which comprises a step-shaped cylindrical structure, wherein the step-shaped cylindrical structure is made of a heat-resistant material with the heat-resistant temperature of more than or equal to 1200 ℃, and comprises a cylindrical structure I1 and a cylindrical structure II 2.
Referring to fig. 2, the axial of cylinder structure I1 and cylinder structure II 2 is all vertical and coincidence, and cylinder structure I1 is fixed in the upper end of cylinder structure II 2, and the external diameter of cylinder structure I1 is less than the external diameter of cylinder structure II 2.
Referring to fig. 3, the step-shaped cylindrical structure is provided with a circular hole 3 penetrating through the upper end surface and the lower end surface of the step-shaped cylindrical structure, and the axes of the cylindrical structure I1 and the cylindrical structure II 2 are overlapped.
The step-shaped cylindrical structure is placed on a brazing furnace mesh belt, and the turbine assembly hung with the brazing filler metal is installed on the step-shaped cylindrical structure. The turbine assembly comprises a turbine shell 4, and the diameter of a central hole of the turbine shell 4 is larger than the outer diameter of the cylindrical structure I1 and smaller than the outer diameter of the cylindrical structure II 2.
Referring to fig. 1, the turbine casing 4 with the upward inner wall is sleeved on the cylindrical structure i 1 through the central hole thereof, a gap exists between the central hole of the turbine casing 4 and the side wall of the cylindrical structure i 1, and the lower surface of the turbine casing 4 abuts against the upper surface of the cylindrical structure ii 2.
Example 3:
the main structure of the present embodiment is the same as that of embodiment 2, and further, the stepped cylindrical structure is made of RTCr 28.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, and further, the outer diameter of the cylindrical structure ii 2 is 80-95mm, the height is 12-15mm, and the flatness of the upper end face and the flatness of the lower end face are both less than or equal to 0.5 mm.
The diameter of the cylindrical structure I1 is 60-65mm, and the height is 2.5-3.5 mm.
The diameter of the round hole 3 is 30-35 mm.
Example 5:
the main structure of the present embodiment is the same as embodiment 4, and further, the gap between the central hole of the turbine housing 4 and the sidewall of the cylindrical structure i 1 is 0.15-0.25 mm.
Claims (4)
1. A turbine brazing auxiliary tool, characterized in that: the device comprises a step-shaped cylindrical structure, wherein the step-shaped cylindrical structure is made of a heat-resistant material with the heat-resistant temperature of more than or equal to 1200 ℃, and comprises a cylindrical structure I (1) and a cylindrical structure II (2);
the axial directions of the cylindrical structure I (1) and the cylindrical structure II (2) are vertical and coincide, the cylindrical structure I (1) is fixed at the upper end of the cylindrical structure II (2), and the outer diameter of the cylindrical structure I (1) is smaller than that of the cylindrical structure II (2);
the step-shaped cylindrical structure is provided with a round hole (3) penetrating through the upper end face and the lower end face of the step-shaped cylindrical structure, and the axes of the cylindrical structure I (1) and the cylindrical structure II (2) are overlapped;
the step-shaped cylindrical structure is placed on a brazing furnace mesh belt, and the turbine assembly hung with the brazing filler metal is installed on the step-shaped cylindrical structure; the turbine assembly comprises a turbine shell (4), and the diameter of a central hole of the turbine shell (4) is larger than the outer diameter of the cylindrical structure I (1) and smaller than the outer diameter of the cylindrical structure II (2);
inner wall up turbine shell (4) are established on cylinder structure I (1) through its centre bore cover, and there is the clearance in the centre bore of turbine shell (4) and the lateral wall of cylinder structure I (1), and the lower surface of turbine shell (4) supports tightly with the upper surface of cylinder structure II (2).
2. A turbine brazing aid according to claim 1, wherein: the stepped cylindrical structure is made of RTCr 28.
3. A turbine brazing aid according to claim 1, wherein: the outer diameter of the cylindrical structure II (2) is 80-95mm, the height is 12-15mm, and the planeness of the upper end face and the planeness of the lower end face are both less than or equal to 0.5 mm;
the diameter of the cylindrical structure I (1) is 60-65mm, and the height of the cylindrical structure I is 2.5-3.5 mm;
the diameter of the round hole (3) is 30-35 mm.
4. A turbine brazing aid according to claim 1, wherein: and the clearance between the central hole of the turbine shell (4) and the side wall of the cylindrical structure I (1) is 0.15-0.25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022734780.6U CN213969414U (en) | 2020-11-24 | 2020-11-24 | Turbine auxiliary tool that brazes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022734780.6U CN213969414U (en) | 2020-11-24 | 2020-11-24 | Turbine auxiliary tool that brazes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213969414U true CN213969414U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022734780.6U Active CN213969414U (en) | 2020-11-24 | 2020-11-24 | Turbine auxiliary tool that brazes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213969414U (en) |
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2020
- 2020-11-24 CN CN202022734780.6U patent/CN213969414U/en active Active
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