Universal double-tenon blade finishing protection tool

Abstract

The utility model discloses a universal double-tenon blade finishing protection tool, which belongs to the technical field of blade finishing equipment and comprises a first support plate, a plurality of connecting columns, a movable plate and a fastening device. The connecting column is fixed to the first supporting plate, and the movable plate is arranged on the connecting column in a sliding mode and is locked through the fastening device. And the tenons at the two ends of the blade are limited through the first supporting plate and the movable plate correspondingly. The distance between the movable plate and the first supporting plate can be adjusted, so that the blade protection device can be suitable for protection of blades with different lengths; a protection tool does not need to be independently designed for each double-shaft-handle blade, so that the design and auditing cost is saved; the total production number of tools can be reduced, and the machining cost of the tools is reduced; and the occupation of tool storage locations and the tool management and maintenance cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a blade light decoration equipment technical field, concretely relates to a general double tenon blade light decoration protection tool. BACKGROUND

[0002] The surface quality of the aero-engine blade affects the performance, reliability and life of the engine to a great extent, the surface roughness requirement of the blade is more and more strict at present, and the blade body surface roughness Ra is generally required to be less than 0.4 microns. In order to meet this requirement, the blade needs to be vibrated and light decorated, but the blades are particularly prone to collide with each other in the light decoration process, resulting in the collision damage of the blade body surface and even causing the scrap of the blade parts. In order to avoid the collision of the blade, the light decoration protection tool needs to be put into production, and if the protection tool is designed and put into production for each kind of blade, the design and processing cost and the tool management and maintenance cost will increase. SUMMARY

[0003] For the problems existing in the prior art, the utility model provides a general double tenon blade light decoration protection tool, which can realize stable and reliable protection of the blade in the light decoration process, and the overall structure of the tool is simple and convenient to use.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a general double tenon blade light decoration protection tool, which comprises a first supporting plate, a plurality of connecting columns, a movable plate and a fastening device, the connecting columns are fixed on the first supporting plate, the movable plate is slidably arranged on the connecting columns and locks the movable plate through the fastening device, and the first supporting plate and the movable plate are used for limiting the tenon at both ends of the blade.

[0006] In the general double tenon blade light decoration protection tool, a second supporting plate is further included, the first supporting plate and the second supporting plate are arranged in parallel and are spaced apart, the connecting columns are located between the first supporting plate and the second supporting plate and are fixedly connected with the second supporting plate, and the movable plate is located between the first supporting plate and the second supporting plate.

[0007] In the general double tenon blade light decoration protection tool, the connecting columns and the first supporting plate and the connecting columns and the second supporting plate are detachably connected.

[0008] And / or, the second supporting plate is annular, and a central hole is arranged in the inside of the second supporting plate.

[0009] And / or, the first supporting plate is provided with a third tenon positioning hole, and the second supporting plate is provided with a fourth tenon positioning hole.

[0010] In the universal double tenon blade polishing protection tool, the movable plate is provided with a plurality of first guide holes, and the connecting column is located in the first guide holes and is in clearance fit.

[0011] In the universal double tenon blade polishing protection tool, the first supporting plate is provided with a first tenon positioning hole for limiting the tenon at one end of the blade.

[0012] In the universal double tenon blade polishing protection tool, the movable plate is provided with a plurality of insertion grooves, a plurality of gasket grooves and a plurality of second tenon positioning holes.

[0013] The second tenon positioning hole is located on the side of the movable plate away from the first supporting plate.

[0014] The gasket groove is located on the side of the movable plate facing the first supporting plate, and the gasket groove is in communication with the second tenon positioning hole.

[0015] The insertion groove is located on the outer side of the movable plate, and the length direction of the insertion groove extends to the upper side and the lower side of the movable plate respectively; in the depth direction of the insertion groove, the insertion groove extends to the communication port of the second tenon positioning hole and the gasket groove, so that the tenon of the blade can enter the gasket groove and the second tenon positioning hole from the insertion groove.

[0016] The gasket groove is detachably provided with a gasket for sealing the communication port of the gasket groove and the insertion groove.

[0017] In the universal double tenon blade polishing protection tool, the gasket is annular.

[0018] And / or, the second tenon positioning hole is a circular hole, the gasket groove is a circular groove, the second tenon positioning hole is coaxial with the gasket groove, and the width of the insertion groove is equal to the inner diameter of the second tenon positioning hole.

[0019] And / or, the gasket is made of nylon material.

[0020] In the universal double tenon blade polishing protection tool, the fastening device comprises a screw rod, a first nut and a second nut.

[0021] The screw rod is parallel to the connecting column; one end of the screw rod is fixedly connected with the first supporting plate, and the other end extends away from the first supporting plate after passing through the second guide hole of the movable plate.

[0022] The first nut and the second nut are screwed with the screw rod.

[0023] The screw is matched with the second guide hole gap, and the first nut and the second nut clamp and fix the two sides of the movable plate respectively.

[0024] In the universal double tenon blade polishing protection tool, the fastening device comprises an elastic element, two ends of the elastic element are connected to the first support plate and the movable plate respectively, and the elastic element has a tendency to pull the movable plate towards the first support plate.

[0025] In the universal double tenon blade polishing protection tool, the fastening device further comprises a guide rod, the guide rod is slidably connected to the movable plate, and the elastic element is sleeved outside the guide rod.

[0026] The elastic element is a spring.

[0027] The utility model discloses the beneficial effect shows in:

[0028] The universal double tenon blade polishing protection tool uses the first support plate and the movable plate to limit the tenon at the two ends of the blade respectively, the distance between the movable plate and the first support plate can be adjusted, so that the protection of the blade of different lengths can be applicable.

[0029] The universal design makes it unnecessary to design a protection tool for each double shaft handle blade during the application of the tool, thereby saving the design and review cost, reducing the total number of tools in production, reducing the tool processing cost, reducing the occupation of tool storage space and the tool management and maintenance cost.

[0030] The tool structure is simple, convenient to use, and convenient for part processing and replacement. DETAILED DESCRIPTION

[0031] Figure 1 It is a double tenon blade structure schematic view.

[0032] Figure 2 It is a first embodiment of the universal double tenon blade polishing protection tool of the utility model applied to the use state schematic view of the fixation of a longer blade.

[0033] Figure 3 It is a first embodiment of the universal double tenon blade polishing protection tool of the utility model applied to the use state schematic view of the fixation of a shorter blade.

[0034] Figure 4 It is a first support plate structure schematic view in the universal double tenon blade polishing protection tool of the utility model.

[0035] Figure 5 It is a second support plate structure schematic view in the universal double tenon blade polishing protection tool of the utility model.

[0036] Figure 6 As the general type double tenon blade light decoration protection tool of the utility model, the structure diagram of the movable plate is shown in the figure;

[0037] Figure 7 As the general type double tenon blade light decoration protection tool of the utility model, the structure diagram of the movable plate and the blade is shown in the figure;

[0038] Figure 8 As the general type double tenon blade light decoration protection tool of the utility model, the top view of the movable plate is shown in the figure;

[0039] Figure 9 As the general type double tenon blade light decoration protection tool of the utility model, the position diagram of the insertion slot and the second tenon positioning hole and the gasket slot is shown in the figure;

[0040] Figure 10 As the general type double tenon blade light decoration protection tool of the utility model, the diagram of the gasket slot being polygonal is shown in the figure;

[0041] Figure 11 As the general type double tenon blade light decoration protection tool of the utility model, the structure diagram of the second embodiment is shown in the figure;

[0042] Figure 12 As the general type double tenon blade light decoration protection tool of the utility model, the structure diagram of the third embodiment is shown in the figure.

[0043] In the figure:

[0044] 100-blade; 101-first tenon; 102-blade main body; 103-second tenon;

[0045] 200-first support plate; 201-first tenon positioning hole; 202-third tenon positioning hole; 203-first connecting hole; 204-adjusting bolt hole;

[0046] 300-connecting column;

[0047] 400-movable plate; 401-first guide hole; 402-insertion slot; 403-gasket slot; 404-second guide hole; 405-second tenon positioning hole; 406-gasket;

[0048] 500-second support plate; 501-center hole; 502-fourth tenon positioning hole; 503-second connecting hole;

[0049] 600-fastening device; 601-screw; 602-first nut; 603-second nut; 604-elastic element; 605-guide rod. DETAILED DESCRIPTION

[0050] For the convenience of those skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0051] As Figure 1 shown, the blade 100 includes a first tenon 101, a blade body 102 and a second tenon 103; the first tenon 101 and the second tenon 103 are respectively located at both ends of the blade body 102. The length of the first tenon 101 and the second tenon 103 can be the same or different. The universal double tenon blade polishing protection tool can realize polishing protection of double tenon blades of different lengths.

[0052] Please refer to Figure 2 , Figure 3 , the utility model provides a kind of universal double tenon blade polishing protection tool one embodiment, including first support plate 200, connecting column 300 and second support plate 500. First support plate 200 and second support plate 500 are mutually parallel and interval arrangement, connecting column 300 is located between first support plate 200 and second support plate 500, and the both ends of connecting column 300 are fixedly connected first support plate 200 and second support plate 500. First support plate 200, connecting column 300 and second support plate 500 constitute the main body structure of tool. Preferably, the connecting mode of connecting column 300 and first support plate 200 and second support plate 500 is detachably connected, and by replacing connecting column 300 of different lengths, it can make its size range more extensive to adapt blade 100. Specifically, as Figure 4 shown, first support plate 200 is equipped with first connecting hole 203;As Figure 5 shown, second support plate 500 is equipped with second connecting hole 503;The both ends of connecting column 300 are processed thread hole, and connecting column 300 is detachably connected with first support plate 200 or second support plate 500 by the connecting piece of bolt, screw in first connecting hole 203 and second connecting hole 503.

[0053] First support plate 200 is equipped with first tenon positioning hole 201, and the cross-sectional shape of first tenon positioning hole 201 is adapted to the shape of first tenon 101 or second tenon 103 of blade 100 end, can be inserted into first tenon positioning hole 201 first tenon 101 or second tenon 103 realizes the positioning of one end of blade 100. Exemplarily, first tenon 101 or second tenon 103 is cylindrical, and first tenon positioning hole 201 is circular hole.

[0054] The other end of blade 100 is clamped by movable plate 400. As Figure 6 and Figure 7As shown, the movable plate 400 is provided with a plurality of first guide holes 401, a plurality of insertion grooves 402, a plurality of gasket grooves 403, a plurality of second tenon positioning holes 405 and a second guide hole 404. The number of the first guide holes 401 is the same as that of the connecting columns 300, and one first guide hole 401 corresponds to one connecting column 300. The connecting column 300 is located in the first guide hole 401 and is in clearance fit. The movable plate 400 can move axially relative to the connecting column 300. In this way, the movable plate 400 can slide along the connecting column 300 between the first support plate 200 and the second support plate 500 to different positions to match the vanes 100 of different sizes. Preferably, the plurality of first guide holes 401 are uniformly and spacedly distributed in the circumferential direction of the movable plate 400.

[0055] The second tenon positioning hole 405 is arranged on the side of the movable plate 400 away from the first support plate 200, the gasket groove 403 is arranged on the side of the movable plate 400 facing the first support plate 200, and the gasket groove 403 is in communication with the second tenon positioning hole 405. The insertion groove 402 is arranged on the outer side of the movable plate 400, and the two ends of the length direction of the insertion groove 402 extend to the upper side and the lower side of the movable plate 400, respectively; that is, the insertion groove 402 is a U-shaped groove with three open sides. In the depth direction of the insertion groove 402, the insertion groove 402 extends to communicate the second tenon positioning hole 405 and the gasket groove 403, so that the first tenon 101 or the second tenon 103 of the vane 100 can enter the gasket groove 403 and the second tenon positioning hole 405 from the insertion groove 402. The gasket 406 is detachably arranged in the gasket groove 403, which is used to block the communication port of the gasket groove 403 and the insertion groove 402, so as to prevent the vane 100 from sliding out of the second tenon positioning hole 405 from the insertion groove 402 during the process of polishing.

[0056] The cross-sectional shape of the second tenon positioning hole 405 is adapted to the shape of the first tenon 101 or the second tenon 103 at the end of the vane 100, and can position the first tenon 101 or the second tenon 103. Exemplarily, the first tenon 101 or the second tenon 103 is cylindrical, and the second tenon positioning hole 405 is a circular hole. The communication relationship of the insertion groove 402, the second tenon positioning hole 405 and the gasket groove 403 is not limited to Figure 6 The state shown, that is, the second tenon positioning hole 405 is a circular hole, the gasket groove 403 is a circular groove, the second tenon positioning hole 405 is coaxial with the gasket groove 403, and the insertion groove 402 extends along the radial direction of the second tenon positioning hole 405 and communicates the second tenon positioning hole 405 and the gasket groove 403; the width of the insertion groove 402 is equal to the inner diameter of the second tenon positioning hole 405, and the first tenon 101 or the second tenon 103 entering from the insertion groove 402 can directly fit with the inner wall of the second tenon positioning hole 405, and the positioning is smoothly realized. The communication relationship of the insertion groove 402, the second tenon positioning hole 405 and the gasket groove 403 can also be as follows Figure 9In the shown state, the plug-in groove 402 does not extend along the radial direction of the second tenon positioning hole 405 but still communicates the second tenon positioning hole 405 with the gasket groove 403, and the blade 100 can also enter the second tenon positioning hole 405 from the plug-in groove 402.

[0057] The shape of the gasket groove 403 is not limited to a circle, but can also be a polygon as shown. Figure 10 The outer shape of the gasket 406 is adapted to the inner contour of the gasket groove 403, and the gasket 406 can be positioned and limited by the groove wall of the gasket groove 403; preferably, the gasket 406 is annular, in particular, a circular ring. The material of the gasket 406 can be selected according to actual needs, for example, the gasket 406 is made of nylon.

[0058] The fastening device 600 fixes the position of the movable plate 400 to stabilize the clamping of the blade 100; as shown, Figure 3 The fastening device 600 includes a screw rod 601, a first nut 602 and a second nut 603; the first nut 602 and the second nut 603 are screwed with the screw rod 601. Among them, the screw rod 601 is parallel to the connecting column 300, one end of the screw rod 601 is fixedly connected with the first support plate 200, specifically, the first support plate 200 is provided with an adjusting bolt hole 204, the screw rod 601 passes through the adjusting bolt hole 204 and is fixed on the first support plate 200 through a nut. The other end of the screw rod 601 extends away from the first support plate 200 after passing through the second guide hole 404 of the movable plate 400. The first nut 602 and the second nut 603 are located on both sides of the movable plate 400, and the outer diameters of the first nut 602 and the second nut 603 are greater than the inner diameter of the second guide hole 404, so that the movable plate 400 can be clamped and fixed on both sides of the movable plate 400.

[0059] Exemplarily, as shown, Figure 8 In the universal double tenon blade polishing protection tool, the movable plate 400, the first support plate 200 and the second support plate 500 are circular plates with consistent outer diameters, and the outer diameter φD1 is 200-250 mm. The number of the first guide hole 401, the first connecting hole 203 and the second connecting hole 503 is 3-4, and the distribution circle diameter φD2 is 160-180 mm; the diameter φd1 of the first guide hole 401 is 20-22 mm. The inner diameter φd2 of the second guide hole 404 is 13-14 mm; the groove width h of the plug-in groove 402 is 14-16 mm. The gasket groove 403 is a circular groove with a radius R of 16-18 mm and a depth of 2 mm; the gasket 406 is a circular ring, and the gap between the inner hole of the gasket 406 and the first tenon 101 or the second tenon 103 is 0.2-0.5 mm, the gap between the outer circle of the gasket 406 and the gasket groove 403 is 0.2-0.5 mm, and the thickness of the gasket 406 is 2 mm. The distribution circle diameter φD2 of the second tenon positioning hole 405 and the first tenon positioning hole 201 is 100-150 mm. During assembly,

[0060] First, the connecting column 300 is fixed on the first support plate 200;

[0061] Second, the movable plate 400 is installed, the connecting column 300 passes through the first guide hole 401 on the movable plate 400;

[0062] Third, the second support plate 500 is installed, the second support plate 500 is fixed with the connecting column 300 through connecting members such as stainless steel screws;

[0063] Finally, the screw rod 601, the first nut 602 and the second nut 603 are installed, the movable plate 400 is preliminarily fixed to a position where the blade 100 to be polished can be put in.

[0064] Before polishing, the gasket 406 is installed outside the first tenon 101 of the blade 100, the gasket 406 can slide up and down along the first tenon 101 of the blade, the second tenon 103 is inserted into the first tenon positioning hole 201 of the first support plate 200, the position of the movable plate 400 is adjusted, the gasket 406 at the first tenon 101 is clamped into the gasket groove 403 of the movable plate 400, the movable plate 400 is fastened by adjusting the first nut 602 and the second nut 603, so that the blade 100 is clamped tightly with the first support plate 200.

[0065] After polishing, the first nut 602 and the second nut 603 are loosened, the movable plate 400 and the blade 100 are moved upward, and the blade 100 is moved outward along the insertion slot 402 to take out the blade 100.

[0066] The second support plate 500 is preferably annular, and the inner portion is provided with a central hole 501, for the case that the length of the first tenon 101 is relatively large, the first tenon 101 can be inserted into the central hole 501, or even extend to the outside of the second support plate 500 after passing through the central hole 501.

[0067] Please refer to Figure 11 The second embodiment of the universal double-tenon blade polishing protection tool provided by the utility model is different from the first embodiment in that the fastening device 600 comprises an elastic element 604, both ends of the elastic element 604 are connected with the first support plate 200 and the movable plate 400 respectively, before the blade 100 is installed, the elastic element 604 is pulled to increase the distance between the first support plate 200 and the movable plate 400, after the blade 100 is put in, the movable plate 400 moves close to the first support plate 200 under the pulling force of the elastic element 604 and fastens the blade 100. Preferably, the fastening device 600 further comprises a guide rod 605, the guide rod 605 is slidably connected with the second guide hole 404, and the elastic element 604 is sleeved outside the guide rod 605. The elastic element 604 can adopt elastic structural parts such as springs, elastic rubber sleeves and elastic ropes.

[0068] Please refer to Figure 12 The third embodiment of the general double tenon blade polishing protection tool provided by the utility model is different from the first embodiment in that the first supporting plate 200 is further provided with a third tenon positioning hole 202, and the second supporting plate 500 is provided with a fourth tenon positioning hole 502; the third tenon positioning hole 202 and the fourth tenon positioning hole 502 are respectively inserted with the first tenon 101 and the second tenon 103, and the two ends of the blade 100 are limited to prevent the blade 100 from moving. When the blade 100 to be polished is large in size, the movable plate 400 can be cancelled, and the second supporting plate 500 and the first supporting plate 200 are connected by the connecting column 300 to form an integral whole to protect the blade 100.

[0069] The above merely describes preferred embodiments of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model can be changed and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A universal double-tenon blade finishing protective tooling, characterized in that: The invention comprises a first support plate (200), a plurality of connecting columns (300), a movable plate (400) and a fastening device (600); the connecting columns (300) are fixed on the first support plate (200), the movable plate (400) is slidably arranged on the connecting columns (300) and is locked by the fastening device (600); the first support plate (200) and the movable plate (400) are respectively used to limit the tenons at both ends of the blade (100).

2. A universal double-tenon blade finishing protective tool according to claim 1, characterized in that: The invention also includes a second support plate (500); the first support plate (200) and the second support plate (500) are parallel to each other and spaced apart; the connecting column (300) is located between the first support plate (200) and the second support plate (500) and is fixedly connected to the second support plate (500); and the movable plate (400) is located between the first support plate (200) and the second support plate (500).

3. A universal double-tenon blade finishing protective tooling according to claim 2, characterized in that: The connecting column (300) and the first support plate (200) are detachably connected, as are the connecting column (300) and the second support plate (500); And / or, the second support plate (500) is annular and has a central hole (501) therein; And / or, a third tenon positioning hole (202) is provided on the first support plate (200), and a fourth tenon positioning hole (502) is provided on the second support plate (500).

4. The universal double-tenon blade finishing protective tooling according to claim 1 is characterized in that: The movable plate (400) is provided with a plurality of first guide holes (401), and the connecting pillars (300) are located in the first guide holes (401) and are clearance-fitted.

5. The universal double-tenon blade finishing protective tooling according to claim 1 is characterized in that: The first support plate (200) is provided with a first tenon positioning hole (201) for limiting the tenon at one end of the blade (100).

6. The universal double-tenon blade finishing protective tooling according to claim 1 is characterized in that: The movable plate (400) is provided with a plurality of inserting slots (402), a plurality of gasket slots (403) and a plurality of second tenon positioning holes (405); The second tenon positioning hole (405) is located on the side of the movable plate (400) facing away from the first support plate (200); The gasket groove (403) is located on the side of the movable plate (400) facing the first support plate (200), and the gasket groove (403) is connected to the second tenon positioning hole (405); The plug-in slot (402) is located on the outer side of the movable plate (400), and its two ends in the length direction extend to the upper side and the lower side of the movable plate (400) respectively; in the depth direction of the plug-in slot (402), the plug-in slot (402) extends to connect the second tenon positioning hole (405) and the gasket slot (403), so that the tenon of the blade (100) can enter the gasket slot (403) and the second tenon positioning hole (405) from the plug-in slot (402); A gasket (406) is detachably provided in the gasket groove (403) for blocking the communication port between the gasket groove (403) and the plug-in groove (402).

7. A universal double-tenon blade finishing protective tool according to claim 6, characterized in that: The gasket (406) is annular; And / or, the second tenon positioning hole (405) is a circular hole, the gasket groove (403) is a circular groove, the second tenon positioning hole (405) and the gasket groove (403) are coaxial; the width of the insertion groove (402) is equal to the inner diameter of the second tenon positioning hole (405); And / or, the gasket (406) is made of nylon.

8. The universal double-tenon blade finishing protective tooling according to claim 1 is characterized in that: The fastening device (600) comprises a screw (601), a first nut (602) and a second nut (603); The screw rod (601) is parallel to the connecting column (300); one end of the screw rod (601) is fixedly connected to the first support plate (200), and the other end passes through the second guide hole (404) of the movable plate (400) and extends to a side away from the first support plate (200); The first nut (602) and the second nut (603) are both screwed together with the screw (601); The screw rod (601) is loosely fitted with the second guide hole (404), and the first nut (602) and the second nut (603) are respectively clamped and fixed on both sides of the movable plate (400).

9. The universal double-tenon blade finishing protective tooling according to claim 1, characterized in that: The fastening device (600) includes an elastic element (604), the two ends of which are respectively connected to the first support plate (200) and the movable plate (400), and the elastic element (604) has a tendency to pull the movable plate (400) toward the first support plate (200).

10. The universal double-tenon blade finishing protective tooling according to claim 9, characterized in that: The fastening device (600) further comprises a guide rod (605), wherein the guide rod (605) is slidably connected to the movable plate (400); the elastic element (604) is sleeved on the outside of the guide rod (605); And / or, the elastic element (604) is a spring.

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