Rotatable welding device for guide blade
By designing a rotatable welding device for guide blades, using the six-point positioning and compression structure, the problems of inefficiency and difficulty in ensuring accuracy in traditional welding operations are solved, and efficient and accurate welding operations are achieved, reducing the labor intensity of the operator.
Patent Information
- Application Number
- CN202420953403.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-05-06
AI Technical Summary
In traditional welding operations, workers need manual or simple mechanical tools to fix and position the blades, resulting in low efficiency, difficult to guarantee accuracy, and high labor intensity.
A rotatable welding device for guide blades is designed, including a support frame and a bottom plate, which is rotatably mounted on the support frame at both ends. The bottom plate is equipped with a pressing structure and a six-point positioning pin for precisely fixing and positioning the blades.
Through the six-point positioning method, the workpiece position is accurately fixed, the workpiece movement and deformation are reduced, and the welding quality and efficiency are improved; the rotatable design makes operation convenient and clamping accurate, reducing the operator's labor intensity and improving production efficiency.
Smart Images
Figure CN222843350U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fixing tools, in particular to a rotatable welding device for guide blades. Background Art
[0002] Usually, in terms of the manufacturing process of guide vanes, it is necessary to weld some guide vanes, guide tubes, and single pieces into components, so a reliable welding fixture is needed. The welding fixture is an important tool for fixing and positioning the blades during the welding process. In the traditional welding operation, workers need to fix and position the workpiece manually or with simple mechanical tools. If multiple parts need to be welded, the fixture needs to be moved to the appropriate position by hand, which is not only inefficient, but also difficult to ensure accuracy.
[0003] Therefore, inventing an efficient, accurate and convenient welding fixture is an important way to improve welding efficiency and product quality. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a rotatable welding device for guide blades, which can reduce the labor intensity of operators and realize high-precision positioning, stable clamping and simple operation of reliable tooling.
[0005] The utility model solves the above-mentioned technical problem with a technical solution as follows: a rotatable welding device for guide blades, comprising a support frame and a base plate, wherein both ends of the base plate are rotatably mounted on the support frame, a clamping structure is fixedly mounted on one end of the base plate, a first locating pin and a second locating pin for limiting the left and right movement of the guide blades are arranged at intervals on the base plate, a third locating pin, a fourth locating pin and a sixth locating pin for limiting the up and down movement of the guide blades are arranged on the base plate, and a fifth locating pin for limiting the forward and backward movement of the guide blades is also arranged on the base plate.
[0006] The beneficial effects of adopting the above technical solution are:
[0007] The six-point positioning method can accurately fix the position of the workpiece, reduce the movement and deformation of the workpiece, and thus improve the welding quality and efficiency; and the rotatable welding fixture is easy to operate and clamp accurately, which reduces the labor intensity of the operator and improves production efficiency.
[0008] On the basis of the above technical solution, the present invention can also be improved as follows.
[0009] Furthermore, the clamping structure includes a clamping screw and a support block, the support block is fixedly mounted on the base plate, and the clamping screw is mounted on the support block.
[0010] The beneficial effect of adopting the above further solution is that it is only necessary to adjust the screw-in depth of the clamping screw, so as to conveniently clamp the guide blade.
[0011] Furthermore, the support block is installed obliquely on the base plate.
[0012] The beneficial effects of adopting the above further solution are easy operation and good compaction effect.
[0013] Furthermore, the support frame includes a connecting rod and two vertical plates. The two vertical plates are spaced apart and arranged in parallel. The two vertical plates are connected by the connecting rod. The upper ends of the two vertical plates are rotatably connected to the two ends of the corresponding bottom plate.
[0014] The beneficial effect of adopting the above further solution is that the vertical plate and the connecting rod form a stable supporting structure, which can ensure the stability of the guide blade during the welding process.
[0015] Furthermore, both ends of the bottom plate have rotating shafts extending outward, and the two rotating shafts are rotatably connected to the corresponding vertical plates.
[0016] The beneficial effect of adopting the above further solution is that it is easy to rotatably install the bottom plate on the vertical plate.
[0017] Furthermore, a locking structure for locking the rotation angle of the rotating shaft is provided between the rotating shaft and the vertical plate.
[0018] The beneficial effect of adopting the above further solution is that the locking structure can lock the position of the rotating shaft, can effectively fix the rotation angle of the blade, and is convenient for the operator to operate.
[0019] Furthermore, the locking structure is a latch.
[0020] The beneficial effects of adopting the above further solution are simple structure, good fixing effect, and easy assembly and disassembly.
[0021] Furthermore, the rotating shaft is symmetrically provided with sockets that cooperate with the latch.
[0022] The beneficial effect of adopting the above further solution is that it is easy to assemble and disassemble.
[0023] Furthermore, one end of the rotating shaft away from the bottom plate passes through the vertical plate and is fixedly sleeved with a rotating armrest.
[0024] The beneficial effect of adopting the above further solution is that the rotating armrest facilitates driving the bottom plate to rotate, thereby realizing the rotation of the blades.
[0025] Furthermore, the bottom of the support frame is provided with moving wheels.
[0026] The beneficial effect of adopting the above further solution is that it is easy to move to a suitable working position, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is the front view of the utility model;
[0028] Figure 2 It is a left view of the utility model;
[0029] Figure 3 This is the front view of the bottom plate of the utility model;
[0030] Figure 4 It is a left view of the bottom plate of the utility model;
[0031] Figure 5 It is a top view of the bottom plate of the utility model;
[0032] Figure 6 This is a schematic diagram of the working state of the welding large edge plate of the utility model;
[0033] Figure 7 It is a schematic diagram of the working state of welding small edge plates of the utility model.
[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0035] 1. Connecting rod; 2. Vertical plate; 3. Bottom plate; 4. Rotating armrest; 5. Latch; 6. First positioning pin; 7. Second positioning pin; 8. Third positioning pin; 9. Fourth positioning pin; 10. Fifth positioning pin; 11. Sixth positioning pin; 12. Clamping screw; 13. Support block; 14. Key; 15. Screw. DETAILED DESCRIPTION
[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0037] Embodiment 1:
[0038] like Figure 1-7 As shown, in this embodiment, a rotatable welding device for guide blades includes a support frame and a base plate 3, both ends of the base plate 3 are rotatably mounted on the support frame, a clamping structure is fixedly mounted on one end of the base plate 3, and a first locating pin 6 and a second locating pin 7 for limiting the left and right movement of the guide blades are arranged at intervals thereon, a third locating pin 8, a fourth locating pin 9 and a sixth locating pin 11 for limiting the up and down movement of the guide blades are provided on the base plate 3, and a fifth locating pin 10 for limiting the forward and backward movement of the guide blades is also provided on the base plate 3.
[0039] The beneficial effects of this embodiment are as follows: the six-point positioning method consisting of the first locating pin 6, the second locating pin 7, the third locating pin 8, the fourth locating pin 9, the fifth locating pin 10 and the sixth locating pin 11 can accurately fix the position of the workpiece, reduce the movement and deformation of the workpiece, and thus improve the welding quality and efficiency; and through the rotatable welding fixture, the operation is convenient and the clamping is precise, which reduces the labor intensity of the operator and improves the production efficiency.
[0040] Further, if Figure 1 As shown, the first locating pin 6 and the second locating pin 7 are used to abut the side walls of the large edge plate and the small edge plate on the left side of the guide blade, the third locating pin 8, the fourth locating pin 9 and the sixth locating pin 11 are used to abut the bottom wall of the large edge plate and the small edge plate of the guide blade, and the fifth locating pin 10 is used to abut the inner wall of the small edge plate close to the blade body, and the clamping structure is crimped onto the blade body.
[0041] Furthermore, the bottom plate 3 is a rectangular plate, and pin holes corresponding to the first positioning pin 6 , the second positioning pin 7 , the third positioning pin 8 , the fourth positioning pin 9 , the fifth positioning pin 10 and the sixth positioning pin 11 are provided on the rectangular plate.
[0042] Furthermore, the support frame and the base plate 3 except the positioning pin can be made of 45 steel, and the heat treatment is HRC35-40. The positioning pin part can be made of CrWMn with higher strength, and the heat treatment is HRC58-62, which can increase the service life of the fixture.
[0043] Example 2
[0044] Preferably, on the basis of Embodiment 1, the clamping structure comprises a clamping screw 12 and a support block 13 , wherein the support block 13 is fixedly mounted on the base plate 3 , and the clamping screw 12 is mounted on the support block 13 .
[0045] The beneficial effect of this embodiment is that the guide blades can be conveniently pressed by only adjusting the screwing depth of the pressing screw 12 .
[0046] Furthermore, a fixing block is provided at the bottom of the supporting block 13 , and the fixing block is fixed on the bottom plate 3 by screws.
[0047] Example 3
[0048] Preferably, on the basis of Embodiment 2, the support block 13 is installed obliquely on the base plate 3 .
[0049] The beneficial effects of this embodiment are easy operation and good pressing effect.
[0050] Since the turbine guide blades have a certain curvature, the inclined support block 13 can better cooperate with the clamping screw 12 to fix the blades.
[0051] Example 4
[0052] Preferably, on the basis of embodiments 1-3, the support frame includes a connecting rod 1 and two vertical plates 2, the two vertical plates 2 are arranged at intervals and in parallel, the two vertical plates 2 are connected by the connecting rod 1, and the upper ends of the two vertical plates 2 are rotatably connected to the two ends of the corresponding base plate 3 respectively.
[0053] The beneficial effect of this embodiment is that the vertical plate 2 and the connecting rod 1 form a stable supporting structure, which can ensure the stability of the guide blade during the welding process.
[0054] Furthermore, two connecting rods 1 arranged side by side are provided between the two vertical plates 2 , and both ends of the connecting rods 1 are fixed to the lower ends of the vertical plates 2 by screws 15 , with a total of 8 screws 15 .
[0055] Example 5
[0056] Preferably, on the basis of Embodiment 4, both ends of the bottom plate 3 have rotating shafts extending outward, and the two rotating shafts are rotatably connected to the corresponding vertical plates 2 .
[0057] The beneficial effect of this embodiment is that the bottom plate 3 can be easily rotatably mounted on the vertical plate 2 .
[0058] Example 6
[0059] Preferably, on the basis of Embodiment 5, a locking structure for locking the rotation angle of the rotating shaft is provided between the rotating shaft and the vertical plate 2 .
[0060] The beneficial effect of this embodiment is that the locking structure can lock the position of the rotating shaft, can effectively fix the rotation angle of the blade, and is convenient for the operator to operate.
[0061] Example 7
[0062] Preferably, based on Example 6, the locking structure is a latch 5.
[0063] The beneficial effects of this embodiment are: simple structure, good fixing effect, and easy assembly and disassembly.
[0064] Furthermore, a first through hole is provided on the side wall of the upper end of the vertical plate 2 for the shaft to pass through, and a second through hole is provided on the top of the upper end of the vertical plate 2 for the latch 5 to pass through, and the second through hole is communicated with the first through hole.
[0065] Example 8
[0066] Preferably, on the basis of Embodiments 6-7, the rotating shaft is symmetrically provided with insertion holes cooperating with the latch 5 .
[0067] The beneficial effect of this embodiment is that it is easy to assemble and disassemble.
[0068] Furthermore, the diameter of the plug hole is 6 mm. By removing the detachable plug 5, rotating the bottom plate 3 90° counterclockwise, and then plugging the detachable plug 5, a suitable working state can be achieved for operations such as guide vanes at the welding ends of blades.
[0069] Example 9
[0070] Preferably, on the basis of Embodiments 6-8, one end of the rotating shaft away from the base plate 3 passes through the vertical plate 2 and is fixedly sleeved with a rotating armrest 4.
[0071] The beneficial effect of this embodiment is that the rotating armrest 4 facilitates driving the bottom plate 3 to rotate, thereby realizing the rotation of the blades.
[0072] Furthermore, a keyway with a width of 6 mm is provided on the bottom plate 3 and the rotating armrest 4. By inserting a key 14, the rotating armrest 4 and the bottom plate 3 can rotate together, thereby realizing that the clamp body can rotate.
[0073] Example 10
[0074] Preferably, based on embodiments 1-9, movable wheels are provided at the bottom of the support frame.
[0075] The beneficial effects of this embodiment are: it is easy to move to a suitable working position, saving time and effort.
[0076] Furthermore, a locking piece is provided on the moving wheel, and the locking piece is a prior art.
[0077] The operation method of the utility model is as follows:
[0078] During operation, place the blade in the positioning system and make the blade contact the six positioning pins. The third positioning pin 8, the fourth positioning pin 9, and the sixth positioning pin 11 limit the up and down movement of the blade. Then the first positioning pin 6 and the second positioning pin 7 limit the left and right movement of the blade. The fifth positioning pin 10 limits the forward and backward movement of the blade. Finally, tighten the clamping screw 12 lightly to put the fixture in a stable positioning and clamping state. At this time, the guide plate reserved on the side of the large mounting plate of the blade can be welded from the front. Figure 4 .
[0079] Remove the removable pins 5 at both ends, rotate the rotating handrail 4 90° counterclockwise, and the rotating handrail drives the key 14 to rotate. The key 14 is stuck in the bottom plate 3, thereby rotating the fixture positioning body 90° clockwise. The guide plate reserved on the side of the blade small installation plate can be welded from the top, that is, Figure 5 .
[0080] That is, by removing the detachable pin 5, rotating the bottom plate 3 and the positioning and clamping part by 90°, and then inserting the detachable pin 5, a suitable working state is achieved, which is used for operations such as the guide vane at the welding end of the blade, and is designed in combination with the process structure characteristics.
[0081] The beneficial effects of the utility model are:
[0082] 1. The new welding fixture adopts a reasonable design of six-point positioning, which can accurately fix the position of the workpiece, reduce the movement and deformation of the workpiece, and thus improve the welding quality and efficiency.
[0083] 2. Through the rotatable design, the new welding fixture is easy to operate and clamp accurately, which reduces the labor intensity of the operator and improves production efficiency.
[0084] In the description of the present invention, it should be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inside", "outside", "peripheral", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred system or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0085] In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0086] In the present invention, 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 or an electrical connection; 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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0087] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0088] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A rotatable welding device for guide blades, characterized in that: The invention comprises a support frame and a base plate (3), wherein both ends of the base plate (3) are rotatably mounted on the support frame, a clamping structure is fixedly mounted on one end of the base plate (3), a first positioning pin (6) and a second positioning pin (7) are arranged at intervals on the base plate for limiting the left and right movement of the guide blade, a third positioning pin (8), a fourth positioning pin (9) and a sixth positioning pin (11) are arranged on the base plate (3) for limiting the up and down movement of the guide blade, and a fifth positioning pin (10) is also arranged on the base plate (3) for limiting the forward and backward movement of the guide blade.
2. A rotatable welding device for guide blades according to claim 1, characterized in that: The clamping structure comprises a clamping screw (12) and a support block (13); the support block (13) is fixedly mounted on the base plate (3); and the clamping screw (12) is mounted on the support block (13).
3. A rotatable welding device for guide blades according to claim 2, characterized in that: The support block (13) is installed obliquely on the base plate (3).
4. A rotatable welding device for guide blades according to claim 1, characterized in that: The support frame comprises a connecting rod (1) and two vertical plates (2); the two vertical plates (2) are spaced apart and arranged in parallel; the two vertical plates (2) are connected via the connecting rod (1); and the upper ends of the two vertical plates (2) are rotatably connected to the two ends of the corresponding bottom plate (3).
5. A rotatable welding device for guide blades according to claim 4, characterized in that: Both ends of the bottom plate (3) are provided with rotating shafts extending outwards, and the two rotating shafts are rotatably connected to the corresponding vertical plates (2).
6. A rotatable welding device for guide blades according to claim 5, characterized in that: A locking structure for locking the rotation angle of the rotating shaft is provided between the rotating shaft and the vertical plate (2).
7. A rotatable welding device for guide blades according to claim 6, characterized in that: The locking structure is a latch (5).
8. A rotatable welding device for guide blades according to claim 7, characterized in that: The rotating shaft is symmetrically provided with a plug hole that matches the latch pin (5).
9. A rotatable welding device for guide blades according to claim 7, characterized in that: One end of the rotating shaft away from the bottom plate (3) passes through the vertical plate (2) and is fixedly sleeved with a rotating armrest (4).
10. A rotatable welding device for guide blades according to any one of claims 1 to 9, characterized in that: The bottom of the support frame is provided with moving wheels.