Fixture for combined welding of high guide blades

Abstract

The utility model relates to a clamp for high guide blade combination welding, which comprises a bottom plate and a deflection supporting structure arranged below the bottom plate and used for supporting the bottom plate, the deflection supporting structure is used for adjusting the angle of a blade to be machined during welding, and push-pull clamping structures opposite in direction are respectively arranged on the left side and the right side of the upper end of the bottom plate. When the device is used for welding and clamping blades, two blade bodies are placed on the blade body positioning block assembly, the movable blocks on the two sides are moved to the blade bodies through the push-pull clamping structure, meanwhile, the upper edge plate and the lower edge plate are manually assembled at the front ends and the rear ends of the two blade bodies, and after assembly is completed, the blade bodies are welded and clamped. And the upper edge plate and the lower edge plate on the two sides of the blade body are fastened through the push-pull clamping structure, so that the blade to be machined is conveniently and efficiently clamped and fastened, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp used for combined welding of high guide vanes. Background Art

[0002] The quality of combined welding directly affects the stability of the dimensional processing in the subsequent process and the stability of the exhaust area, an important indicator that affects the engine cooling effect. Therefore, during combined welding, it is necessary to ensure the consistency of the left and right movement of the upper and lower edge plates and the consistency of the front and back of the channel to improve the stability of the subsequent process processing, and to ensure that the channel width TW value and height H value of the combined blades meet the process requirements to ensure that the exhaust area meets the assembly requirements, while also reducing the processing risks caused by inconsistent raw materials.

[0003] However, the existing combined clamp method is not easy to operate. When the rough material surface fluctuates greatly, the dimensional consistency and the stability of the exhaust area are difficult to ensure, resulting in difficulties in product delivery. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing combined clamping method is not easy to operate, and when the rough material surface fluctuates greatly, the dimensional consistency and the stability of the exhaust area are not easy to ensure, resulting in difficulties in product delivery.

[0005] The utility model solves the above-mentioned technical problems with a technical solution as follows: a fixture for high-guide vane assembly welding, comprising a base plate, a deflection support structure arranged below the base plate and supporting the base plate, the deflection support structure being used to adjust the angle of the blade to be processed during welding, and push-pull clamping structures in opposite directions are respectively provided on the left and right sides of the upper end of the base plate, a blade body positioning block assembly is fixedly connected between the two push-pull clamping structures in the middle of the upper end of the base plate, the blade body positioning block assembly is used to place the blade body to be processed, and an upper edge plate positioning assembly is slidably mounted on the front side of the upper end of the base plate, for supporting and positioning the blade body to be processed.

[0006] The beneficial effect of the utility model is that when the device is used to weld and clamp the blades, the two blade bodies are placed on the blade body positioning block assembly. At this time, after the upper edge plate positioning assembly positions the two blade bodies respectively, the movable blocks on both sides are moved to the blade bodies by using a push-pull clamping structure, and the upper edge plate and the lower edge plate are manually assembled at the front and rear ends of the two blade bodies. After assembly, the push-pull clamping structure is used to tighten the upper edge plate and the lower edge plate on both sides of the blade body, thereby conveniently and efficiently clamping and tightening the blades to be processed, thereby improving the convenience of use of the device.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, both ends of the front side of the base plate are provided with slide grooves extending to the left and right sides and inclined downward. The upper edge plate positioning assembly includes a slider and a vertical rod fixed to one side of the slider. The slider is slidably installed in the slide groove, and the upper end of the vertical rod is provided with a supporting portion extending toward the blade positioning block assembly.

[0009] Furthermore, the blade body positioning block assembly includes a first positioning block and a second positioning block connected to each other, the first positioning block and the second positioning block are respectively used to place two blade bodies of the blade to be processed, the upper end of the first positioning block is provided with a first support point and a first limit point, and the upper end of the second positioning block is provided with a second support point and a second limit point.

[0010] Furthermore, the push-pull clamping structure includes a push-pull structure fixedly assembled on the upper end of the base plate, a movable block arranged on the upper end of the base plate, an edge plate clamping assembly and a front edge clamping assembly, the push-pull structure is connected to the movable block, the edge plate clamping assembly is respectively arranged on the front and rear sides of the movable block, the front edge clamping assembly is arranged at the upper end of the movable block, an arc-shaped slide rail is provided on the upper end of the base plate, and the movable block is slidably connected to the slide rail.

[0011] Furthermore, the push-pull structure includes a base, a V-shaped push-pull rod and a movable rod assembly. The lower end of the base is fixedly assembled on the upper end of the base plate, and the upper end of the base is rotatably connected to the tip of the push-pull rod through a damping shaft. One end of the push-pull rod is connected to the corresponding movable block through the movable rod assembly.

[0012] Furthermore, the movable rod assembly includes a rotating ball and a connecting rod, one end of the push-pull rod is provided with a hemispherical chamber, the rotating ball is embedded in the hemispherical chamber, and the opening diameter of the hemispherical chamber is smaller than the diameter of the rotating ball, one end of the connecting rod is connected to the rotating ball, and the other end thereof is connected to the movable block.

[0013] Furthermore, the edge plate clamping assembly includes an upper edge plate back clamping assembly, an upper edge plate basin clamping assembly, a lower edge plate back clamping assembly and a lower edge plate basin clamping assembly. The upper edge plate back clamping assembly and the lower edge plate back clamping assembly are fixedly assembled on the front and rear sides of the movable block on the right side, and the upper edge plate basin clamping assembly and the lower edge plate basin clamping assembly are fixedly assembled on the front and rear sides of the movable block on the left side.

[0014] Furthermore, the upper edge plate back pressing assembly, the upper edge plate basin pressing assembly, the lower edge plate back pressing assembly and the lower edge plate basin pressing assembly all include a pressing base, a deflection rod, a deflection connecting rod and a fastening screw. The four pressing bases are respectively assembled on the front and rear sides of the two movable blocks. The deflection rod is rotatably connected to the surface of the pressing base through a damping shaft, the deflection connecting rod is rotatably connected to the surface of the pressing base, one end of the deflection connecting rod is rotatably connected to the deflection rod, and the other end of the deflection connecting rod is provided with a threaded hole and threadedly connected to the fastening screw.

[0015] Furthermore, the leading edge clamping assembly includes a rotating base, a clamping rod, a retaining bolt and a clamping block. The rotating base is fixedly assembled on the upper end of the movable block, the clamping rod is rotatably assembled on the upper end of the rotating base, the retaining bolt is threadedly connected to one end of the clamping rod, and the clamping block is fixedly assembled on the other end of the clamping rod.

[0016] Furthermore, the deflection support structure includes a bracket, a rotating column extending in the left and right directions, a guide plate and a latch, the rotating column is fixedly connected to the lower end of the base plate, the two ends of the rotating column are rotatably connected to the upper end of the bracket, a plurality of pin holes are provided at intervals along the circumference of the upper half of any end of the rotating column, the latch is vertically arranged at a position above the upper end of the bracket corresponding to the pin hole and can be moved up and down, the latch is selectively inserted into any one of the pin holes, and the guide plate is fixedly assembled at any end of the rotating column. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a plan view schematically shown in an embodiment of the utility model;

[0018] Figure 2 It is a top view schematic diagram of an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure in an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure in an embodiment of the utility model;

[0021] Figure 5 It is a plan view of a blade positioning block assembly in an embodiment of the utility model;

[0022] Figure 6 It is a plan view of the front edge clamping assembly in the embodiment of the utility model;

[0023] Figure 7 It is a plane schematic diagram of the pressing base in the embodiment of the utility model;

[0024] Figure 8 It is a schematic plan view of the push-pull structure in the embodiment of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Deflection support structure; 101. Rotating column; 102. Guide plate; 103. Latch; 2. Bottom plate; 3. Push-pull structure; 4. Slide rail; 5. Movable block; 6. Blade positioning block assembly; 601. First support point; 602. First limit point; 603. Second support point; 604. Second limit point; 7. Upper edge plate positioning assembly; 8. Leading edge clamping assembly; 801. Rotating base; 802. Clamping rod; 803. Clamping block; 804. Retaining bolt; 9. Edge plate clamping assembly; 901. Upper edge plate back clamping assembly; 902. Upper edge plate basin clamping assembly; 903. Lower edge plate back clamping assembly; 904. Lower edge plate basin clamping assembly; 9011. Clamping base; 9012. Deflection rod; 9013. Deflection connecting rod; 9014. Fastening screw. DETAILED DESCRIPTION

[0027] 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.

[0028] Example

[0029] like Figure 1-8 As shown, a fixture for high-guide vane combination welding includes a base plate 2, a deflection support structure 1 arranged below the base plate 2 and supporting it, the deflection support structure 1 is used to adjust the angle of the blade to be processed during welding, and the left and right sides of the upper end of the base plate 2 are respectively provided with push-pull clamping structures in opposite directions, and a blade body positioning block assembly 6 is fixedly connected between the two push-pull clamping structures in the middle of the upper end of the base plate 2. The blade body positioning block assembly 6 is used to place the blade body to be processed, and the upper edge plate positioning assembly 7 is slidably assembled on the front side of the upper end of the base plate 2 to support and position the blade body to be processed.

[0030] The blade to be processed is divided into two side-by-side blade bodies, and an upper edge plate and a lower edge plate are respectively assembled at the front and rear ends of the two blade bodies. Two mold holes matching the shape of the blade body are opened inside the upper edge plate and the lower edge plate.

[0031] Wherein, light holes are provided on both sides of the bottom plate 2 to reduce the weight of the bottom plate 2 .

[0032] The working principle is as follows: when the device is used to weld and clamp the blades, the two blade bodies are placed on the blade body positioning block assembly 6. At this time, the upper edge plate positioning assembly 7 positions the two blade bodies respectively, and then the push-pull clamping structure is used to move the movable blocks on both sides to the blade bodies. At the same time, the upper edge plate and the lower edge plate are manually assembled at the front and rear ends of the two blade bodies. After assembly, the push-pull clamping structure is used to tighten the upper edge plates and the lower edge plates on both sides of the blade bodies, thereby conveniently and efficiently clamping and tightening the blades to be processed, thereby improving the convenience of use of the device.

[0033] The utility model can cooperate with the blade positioning block assembly 6 by setting the push-pull clamping structures on both sides, so that the device can conveniently clamp the blade, thereby improving the convenience of clamping the blade.

[0034] Preferably, both ends of the front side of the base plate 2 are provided with slide grooves extending to the left and right sides and inclined downward. The upper edge plate positioning assembly 7 includes a slider and a vertical rod fixed to one side of the slider. The slider is slidably installed in the slide groove, and the upper end of the vertical rod is provided with a supporting portion extending toward the blade positioning block assembly 6.

[0035] The working principle is: after placing the blade body of the blade to be processed, the blade body is placed on the blade body positioning block assembly 6, and the upper edge plate positioning assembly 7 is slid to the left along the slide groove, and the front end of the blade body on the left is positioned and supported by the supporting portion. At this time, the mold hole on the left side of the upper edge plate can be assembled on the blade body on the left, and then the upper edge plate positioning assembly 7 is slid to the right along the slide groove, and the front end of the blade body on the right is continued to be positioned and supported by the supporting portion. At this time, the mold hole on the right side of the upper edge plate is assembled on the blade body on the right, so that the upper edge plate positioning assembly 7 can be used to assist the blade body and the upper edge plate, so that the two can be assembled with each other to meet the blade processing requirements.

[0036] The utility model can position the two blades in front and back positions through the upper edge plate positioning assembly 7, so as to facilitate the subsequent assembly of the upper edge plate on the blade end.

[0037] Preferably, the blade body positioning block assembly 6 includes a first positioning block and a second positioning block connected to each other, the first positioning block and the second positioning block are respectively used to place two blade bodies of the blade to be processed, the upper end of the first positioning block is provided with a first support point 601 and a first limit point 602, and the upper end of the second positioning block is provided with a second support point 603 and a second limit point 604.

[0038] Among them, Figure 5 As shown, the first support point 601 is arranged at the upper left end of the first positioning block, the first limit point 602 is located at the upper right end of the first positioning block, the second support point 603 is located at the upper left end of the second positioning block and extends to above the first limit point 602, and the second limit point 604 is located at the upper right end of the second positioning block.

[0039] Among them, the position of the positioning point is determined by calculating the TW value according to the design requirements, and the positions of the first support point 601, the first limit point 602, the second support point 603 and the second limit point 604 of the blade body positioning block assembly 6 are determined according to the H value required by the design. After the blade body positioning block assembly 6 ensures the TW value and the H value, the exhaust area value is guaranteed, and at the same time, the stability of the machining dimensions in the subsequent process is guaranteed.

[0040] The working principle is: through calculation, the first support point 601, the first limit point 602, the second support point 603 and the second limit point 604 can be respectively set on the blade positioning block assembly 6, and the blade can meet the angle and position requirements when placed and clamped.

[0041] Preferably, the push-pull clamping structure includes a push-pull structure 3 fixedly assembled on the upper end of the base plate 2, a movable block 5 arranged on the upper end of the base plate 2, an edge plate clamping assembly 9 and a front edge clamping assembly 8, the push-pull structure 3 is connected to the movable block 5, the edge plate clamping assembly 9 is respectively arranged on the front and rear sides of the movable block 5, the front edge clamping assembly 8 is arranged at the upper end of the movable block 5, an arc-shaped slide rail 4 is opened at the upper end of the base plate 2, and the movable block 5 is slidably connected to the slide rail 4.

[0042] The arc-shaped opening of the slide rail 4 faces downward, one end of the slide rail 4 extends in the left-right direction to be close to the blade positioning block assembly 6 , and the other end is away from the blade positioning block assembly 6 .

[0043] The working principle is: when clamping the blade, first place the blade body on the positioning block assembly 6, and use the upper edge plate positioning assembly 7 to perform preliminary forward and backward positioning of the blade body, then push the push-pull structure 3, so that the push-pull structure 3 drives the movable block 5 to move inside the slide rail 4, and the movable block 5 drives the leading edge clamping assemblies 8 on both sides to hold the upper end of the blade body. At this time, the edge plate clamping assemblies 9 on the front and rear sides of the movable block 5 are used to respectively press and tighten the upper edge plate and the lower edge plate, thereby improving the clamping and tightening degree between the blade body, the upper edge plate and the lower edge plate inside the blade to be processed.

[0044] The utility model can realize convenient clamping and fastening of the blade body, the upper edge plate and the lower edge plate by arranging the upper edge plate positioning component 7, the leading edge pressing component 8 and the edge plate pressing component 9.

[0045] Preferably, the push-pull structure 3 includes a base 302, a V-shaped push-pull rod 301 and a movable rod assembly. The lower end of the base 302 is fixedly assembled on the upper end of the base plate 2. The upper end of the base 302 is rotatably connected to the tip of the push-pull rod 301 through a damping shaft. One end of the push-pull rod 301 is connected to the corresponding movable block 5 through the movable rod assembly.

[0046] The working principle is: when pushing the movable block 5, hold the push-pull rod 301 to drive the push-pull rod 301 to deflect, the push-pull rod 301 drives the movable rod assembly to move, and the movable rod assembly can drive the movable block 5 to move, so that the movable block 5 can slide along the inside of the slide rail 4.

[0047] The utility model can push and pull the push-pull rod 301 forward and backward by hand, thereby driving the movable block 5 to move forward and backward along the inside of the slide rail 4.

[0048] Preferably, the movable rod assembly includes a rotating ball 304 and a connecting rod 303, a hemispherical chamber is provided at one end of the push-pull rod 301, the rotating ball 304 is embedded in the hemispherical chamber, and the opening diameter of the hemispherical chamber is smaller than the diameter of the rotating ball 304, one end of the connecting rod 303 is connected to the rotating ball 304, and the other end thereof is connected to the movable block 5.

[0049] The working principle is: when the push-pull rod 301 is deflected, the movable block 5 is driven to move inside the slide rail 4. Since the slide rail 4 itself is in an arc shape, the connecting rod 303 drives the rotating ball 304 to deflect inside the hemispherical chamber under the push, so that when the push-pull rod is pushed back and forth, the movable block 5 can be driven to move in an arc inside the slide rail 4.

[0050] The utility model can be provided with a rotating ball 304 rotating inside the hemispherical chamber, and a connecting rod 303 connected thereto, so that the movable block 5 can move in an arc shape when being pushed.

[0051] Preferably, the edge plate clamping assembly 9 includes an upper edge plate back clamping assembly 901, an upper edge plate basin clamping assembly 902, a lower edge plate back clamping assembly 903 and a lower edge plate basin clamping assembly 904. The upper edge plate back clamping assembly 901 and the lower edge plate back clamping assembly 903 are fixedly assembled on the front and rear sides of the right movable block 5, and the upper edge plate basin clamping assembly 902 and the lower edge plate basin clamping assembly 904 are fixedly assembled on the front and rear sides of the left movable block.

[0052] The working principle is: when the upper edge plate and the lower edge plate are respectively assembled on the front and rear ends of the blade, the upper edge plate back clamping assembly 901, the upper edge plate basin clamping assembly 902, the lower edge plate back clamping assembly 903 and the lower edge plate basin clamping assembly 904 are respectively used to tighten and clamp the basin and back sides of the upper edge plate and the lower edge plate to facilitate subsequent welding work.

[0053] The utility model can conveniently fasten and clamp the blade to be processed by designing the shapes of the upper edge plate back clamping assembly 901, the upper edge plate basin clamping assembly 902, the lower edge plate back clamping assembly 903 and the lower edge plate basin clamping assembly 904, as well as the width of the movable block 5 and the blade positioning block assembly 6, thereby facilitating subsequent welding work.

[0054] Preferably, the upper edge plate back pressing assembly 901, the upper edge plate basin pressing assembly 902, the lower edge plate back pressing assembly 903 and the lower edge plate basin pressing assembly 904 all include a pressing base 9011, a deflection rod 9012, a deflection connecting rod 9013 and a fastening screw 9014. The four pressing bases 9011 are respectively assembled on the front and rear sides of the two movable blocks 5. The deflection rod 9012 is rotatably connected to the surface of the pressing base 9011 through a damping shaft. The deflection connecting rod 9013 is rotatably connected to the surface of the pressing base 9011. One end of the deflection connecting rod 9013 is rotatably connected to the deflection rod 9012. The other end of the deflection connecting rod 9013 is provided with a threaded hole and is threadedly connected to the fastening screw 9014.

[0055] The tightening screw 9014 is vertically arranged at the end of the deflection link 9013 and moves up and down.

[0056] Among them, there are differences in the angles and shapes of the deflection connecting rods 9013 in the upper edge plate back clamping assembly 901, the upper edge plate basin clamping assembly 902, the lower edge plate back clamping assembly 903 and the lower edge plate basin clamping assembly 904. The angles and shapes are customized according to the shapes of the upper and lower edge plates, and the extended length of the fastening screws 9014 is adjusted according to the requirements of the upper and lower edge plates.

[0057] The working principle is: when tightening the upper edge plate and the lower edge plate in the back and basin directions, first rotate the deflection rod 9012, the deflection rod 9012 drives the deflection connecting rod 9013 to rotate, and the deflection connecting rod 9013 drives the fastening screw 9014 to adjust the angle, thereby tightening the upper edge plate and the lower edge plate at a certain angle, thereby improving the fastening effect of the device on the upper edge plate and the lower edge plate.

[0058] The utility model can adjust the upper edge plate back pressing component 901, the upper edge plate basin pressing component 902, the lower edge plate back pressing component 903 and the lower edge plate basin pressing component 904 so that the device can fasten and clamp the upper edge plate and the lower edge plate.

[0059] Preferably, the leading edge clamping assembly 8 includes a rotating base 801, a clamping rod 802, a supporting bolt 804 and a clamping block 803. The rotating base 801 is fixedly assembled on the upper end of the movable block 5, the clamping rod 802 is rotatably assembled on the upper end of the rotating base 801, the supporting bolt 804 is threadedly connected to one end of the clamping rod 802, and the clamping block 803 is fixedly assembled on the other end of the clamping rod 802.

[0060] The working principle is: when the upper end of the blade needs to be compressed and tightened, first the lower end of the clamping block 803 is pressed against the upper end of the blade, and the supporting bolt 804 is screwed downward so that its lower end is pressed against the movable block 5, and one end of the entire clamping rod 802 is lifted, thereby driving one end of the clamping block 803 to be pressed downward, thereby performing a clamping operation on the blade.

[0061] The utility model can lift the pressing rod 802 and drive the other end of the pressing rod 802 to press and tighten the upper end of the blade, so that the device can conveniently press and tighten the upper end of the blade.

[0062] Preferably, the deflection support structure 1 includes a bracket, a rotating column 101 extending in the left and right directions, a guide plate 102 and a latch 103. The rotating column 101 is fixedly connected to the lower end of the base plate 2, and both ends of the rotating column 101 are rotatably connected to the upper end of the bracket. A plurality of pin holes are provided at intervals along the circumference of the upper half of any end of the rotating column 101. The latch 103 is vertically arranged at a position above the corresponding pin hole at the upper end of the bracket and can be moved up and down. The latch 103 is selectively inserted into any one of the pin holes, and the guide plate 102 is fixedly assembled at any end of the rotating column 101.

[0063] The directions of the two pin holes are at 90 degrees to each other.

[0064] The working principle is: when welding, in order to facilitate multi-angle welding of the blades, first pull the pin 103 upward so that it is no longer engaged with one of the pin holes. At this time, the entire base 2 can be rotated to deflect it at an angle of 90 degrees, and the pin 103 is loosened so that the pin 103 is re-engaged with another pin hole, so that the entire base plate 2 and the fasteners above can be rotated 90° and re-engaged and fixed, thereby improving the convenience of the device during welding.

[0065] The utility model can utilize the cooperation between the latch pin 103 and the pin hole so that the device can change the angle, which is convenient for the user to use the device to weld the blade to be processed.

[0066] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 device 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.

[0067] 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 at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0068] 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.

[0069] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0070] 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.

[0071] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A fixture for high guide vane assembly welding, characterized in that: The invention comprises a base plate (2), and a deflection support structure (1) arranged below the base plate (2) and supporting the base plate (2). The deflection support structure (1) is used to adjust the angle of the blade to be processed during welding. The left and right sides of the upper end of the base plate (2) are respectively provided with push-pull clamping structures in opposite directions. A blade body positioning block assembly (6) is fixedly connected between the two push-pull clamping structures at the middle of the upper end of the base plate (2). The blade body positioning block assembly (6) is used to place the blade body to be processed. The upper front side of the upper end of the base plate (2) is slidably equipped with an upper edge plate positioning assembly (7) for supporting and positioning the blade body to be processed.

2. A fixture for high guide vane assembly welding according to claim 1, characterized in that: Both ends of the front side of the bottom plate (2) are provided with slide grooves extending to the left and right sides and tilted downward. The upper edge plate positioning assembly (7) includes a slider and a vertical rod fixed to one side of the slider. The slider is slidably mounted in the slide groove. The upper end of the vertical rod is provided with a supporting portion extending toward the blade positioning block assembly (6).

3. A fixture for high guide vane assembly welding according to claim 1, characterized in that: The blade body positioning block assembly (6) comprises a first positioning block and a second positioning block connected to each other, wherein the first positioning block and the second positioning block are respectively used to place two blade bodies of a blade to be processed, wherein the upper end of the first positioning block is provided with a first supporting point (601) and a first limiting point (602), and the upper end of the second positioning block is provided with a second supporting point (603) and a second limiting point (604).

4. A fixture for high guide vane assembly welding according to claim 1, characterized in that: The push-pull clamping structure comprises a push-pull structure (3) fixedly mounted on the upper end of the base plate (2), a movable block (5) arranged on the upper end of the base plate (2), an edge plate clamping assembly (9) and a front edge clamping assembly (8); the push-pull structure (3) is connected to the movable block (5); the edge plate clamping assembly (9) is arranged on the front and rear sides of the movable block (5), respectively; the front edge clamping assembly (8) is arranged on the upper end of the movable block (5); an arc-shaped slide rail (4) is provided on the upper end of the base plate (2); and the movable block (5) is slidably connected to the slide rail (4).

5. A fixture for high guide vane assembly welding according to claim 4, characterized in that: The push-pull structure (3) comprises a base (302), a V-shaped push-pull rod (301) and a movable rod assembly; the lower end of the base (302) is fixedly mounted on the upper end of the bottom plate (2); the upper end of the base (302) is rotatably connected to the tip of the push-pull rod (301) via a damping shaft; one end of the push-pull rod (301) is connected to the corresponding movable block (5) via the movable rod assembly.

6. A fixture for high guide vane assembly welding according to claim 5, characterized in that: The movable rod assembly comprises a rotating ball (304) and a connecting rod (303); one end of the push-pull rod (301) is provided with a hemispherical chamber, the rotating ball (304) is embedded in the hemispherical chamber, and the opening diameter of the hemispherical chamber is smaller than the diameter of the rotating ball (304); one end of the connecting rod (303) is connected to the rotating ball (304), and the other end thereof is connected to the movable block (5).

7. A fixture for high guide vane assembly welding according to claim 4, characterized in that: The edge plate clamping assembly (9) comprises an upper edge plate back clamping assembly (901), an upper edge plate basin clamping assembly (902), a lower edge plate back clamping assembly (903) and a lower edge plate basin clamping assembly (904); the upper edge plate back clamping assembly (901) and the lower edge plate back clamping assembly (903) are fixedly assembled on the front and rear sides of the movable block (5) located on the right side, and the upper edge plate basin clamping assembly (902) and the lower edge plate basin clamping assembly (904) are fixedly assembled on the front and rear sides of the movable block located on the left side.

8. A fixture for high guide vane assembly welding according to claim 7, characterized in that: The upper edge plate back pressing assembly (901), the upper edge plate basin pressing assembly (902), the lower edge plate back pressing assembly (903) and the lower edge plate basin pressing assembly (904) all include a pressing base (9011), a deflection rod (9012), a deflection connecting rod (9013) and a fastening screw (9014). The four pressing bases (9011) are respectively mounted on the front and rear sides of the two movable blocks (5). The deflection rod (9012) is rotatably connected to the surface of the pressing base (9011) through a damping shaft. The deflection connecting rod (9013) is rotatably connected to the surface of the pressing base (9011). One end of the deflection connecting rod (9013) is rotatably connected to the deflection rod (9012). The other end of the deflection connecting rod (9013) is provided with a threaded hole and is threadedly connected to the fastening screw (9014).

9. A fixture for high guide vane assembly welding according to claim 4, characterized in that: The front edge clamping assembly (8) comprises a rotating base (801), a clamping rod (802), a holding bolt (804) and a clamping block (803); the rotating base (801) is fixedly mounted on the upper end of the movable block (5); the clamping rod (802) is rotatably mounted on the upper end of the rotating base (801); the holding bolt (804) is threadedly connected to one end of the clamping rod (802); and the clamping block (803) is fixedly mounted on the other end of the clamping rod (802).

10. A fixture for high guide vane assembly welding according to claim 1, characterized in that: The deflection support structure (1) comprises a bracket, a rotating column (101) extending in the left-right direction, a guide plate (102) and a latch (103); the rotating column (101) is fixedly connected to the lower end of the base plate (2); both ends of the rotating column (101) are rotatably connected to the upper end of the bracket; a plurality of pin holes are provided at intervals along the circumference of the upper half of any end of the rotating column (101); the latch (103) is vertically arranged at a position above the pin hole at the upper end of the bracket corresponding to the position above the pin hole and can be moved up and down; the latch (103) is selectively inserted into any one of the pin holes; and the guide plate (102) is fixedly assembled to any one end of the rotating column (101).

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