Fan blade main beam polishing device

Abstract

The invention relates to the technical field of fan blade grinding, and provides a fan blade main beam grinding device which comprises a box body and a plate, the box body is provided with a feeding port and a discharging port, a supporting wheel set is fixed in the box body, a pressing plate wheel set is vertically and movably connected in the box body, and the supporting wheel set and the pressing plate wheel set are matched to be used for extruding and conveying the plate. The first polishing assembly used for polishing the plate face of a plate and the second polishing assembly used for polishing the side edge of the plate are arranged in the box body, through cooperation of the supporting wheel set and the plate pressing wheel set, the plate is continuously extruded in the conveying process, the arc shape of the plate is corrected, polishing is convenient, and the precision in the polishing process is guaranteed; and through the arrangement of the first grinding assembly and the second grinding assembly, the plate is ground, and the grinding comprehensiveness is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of fan blade grinding, and in particular to a fan blade main beam grinding device. Background Art

[0002] The main beam system of wind turbine blades consists of the main beam and the web, and the use of pultruded sheet stacking is a key technology in the design of large blades. During the production process of the main beam, the rolled pultruded sheet needs to be polished and then cut.

[0003] At present, the grinding of rolled pultruded sheets is carried out through a conveying system, and the grinding process is processed by grinding wheels arranged up and down. However, due to the fact that the pultruded sheets fed by the coil have a certain curvature, and the degree of curvature from the outside to the inside gradually increases, this leads to uneven pressure between the grinding wheel and the sheet when the pultruded sheet passes through the grinding wheel, which affects the consistency of the grinding effect and leads to low grinding accuracy. Summary of the invention

[0004] The purpose of the present invention is to provide a fan blade main beam grinding device, which solves the problem that when grinding the plate, the pressure between the grinding wheel and the plate is uneven, which affects the consistency of the grinding effect and leads to low grinding accuracy, ensures the accuracy during the grinding process, and improves the comprehensiveness of the grinding.

[0005] The present invention is implemented through the following technical solutions: a fan blade main beam grinding device, including a box body and a plate, the box body is provided with a feed inlet and a discharge outlet, a supporting wheel group is fixed in the box body, a pressing plate wheel group is vertically movably connected in the box body, the supporting wheel group and the pressing plate wheel group cooperate to extrude and convey the plate, and a first grinding component for grinding the plate surface and a second grinding component for grinding the side of the plate are provided in the box body;

[0006] The first grinding assembly includes a driving shaft, a first slider and a second slider are threadedly connected to the driving shaft, the thread directions of the first slider and the second slider are opposite, one end of the first slider and the second slider are respectively hinged to an upper grinding roller through a connecting rod, the other end of the first slider and the second slider are respectively hinged to a lower grinding roller through a connecting rod, and the plate is arranged between the upper grinding roller and the lower grinding roller;

[0007] The second grinding assembly includes a horizontal rod, on which a third slider and a fourth slider are threadedly connected, the thread directions of the third slider and the fourth slider are opposite, and the third slider and the fourth slider are respectively provided with grinding rollers, which are respectively arranged on both sides of the plate.

[0008] Furthermore, the first grinding assembly also includes a driven shaft, which rotates synchronously with the driving shaft after being driven by the driving shaft gear, and the driven shaft is threadedly connected to the first slider and the second slider respectively.

[0009] Furthermore, a first motor for driving the driving shaft to rotate and a third motor for driving the horizontal rod to rotate are provided on the box body, the upper grinding roller and the lower grinding roller are driven by the second motor respectively, and the side grinding roller is driven by the fourth motor.

[0010] Furthermore, the pressure plate wheel group includes a movable bracket, on which a plurality of pressure wheels are rotatably connected, and the plurality of pressure wheels are driven by a fifth motor sprocket, and a linear drive for driving the movable bracket to move vertically is provided on the box body.

[0011] Preferably, a vertical guide rod is provided on the movable bracket, a guide hole matched with the vertical guide rod is opened on the box body, and a limit block abutting against the box body is provided on the vertical guide rod.

[0012] Furthermore, the supporting wheel assembly includes a fixed bracket, on which a plurality of rollers are rotatably connected, and the plurality of rollers are driven by a sixth motor sprocket.

[0013] Furthermore, the horizontal bars are arranged along the width direction of the box body, and two bars are arranged along the vertical direction.

[0014] Furthermore, the box body is provided with an observation window on one side of the feed inlet.

[0015] The present invention has at least the following advantages and beneficial effects:

[0016] (1) Through the cooperation of the supporting wheel group and the pressure plate wheel group, the plate is continuously squeezed during the transmission process, the arc of the plate is corrected, the grinding is convenient, and the accuracy of the grinding process is ensured. At the same time, through the setting of the first grinding component and the second grinding component, the plate is ground, which improves the comprehensiveness of the grinding;

[0017] (2) The first slider and the second slider move in opposite directions to drive the upper grinding roller and the lower grinding roller to move closer to or farther from each other in the vertical direction, thereby adapting to the grinding of plates of different thicknesses. The third slider and the fourth slider move in opposite directions to adapt to the grinding of plates of different widths, thereby improving the flexibility and applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A front view of a fan blade main beam grinding device provided by the present invention;

[0020] Figure 2 A top view of a fan blade main beam grinding device provided by the present invention;

[0021] Figure 3 A side view of a fan blade main beam grinding device provided by the present invention;

[0022] Figure 4 For the present invention Figure 1 Sectional view along AA direction;

[0023] Figure 5 For the present invention Figure 1 Cross-sectional view along the BB direction;

[0024] Icon: 1-box, 2-support wheel group, 21-fixed bracket, 22-roller, 3-pressure plate wheel group, 31-movable bracket, 32-pressure wheel, 33-vertical guide rod, 34-limit block, 4-first grinding assembly, 41-driving shaft, 42-driven shaft, 43-first slider, 44-second slider, 45-upper grinding roller, 46-lower grinding roller, 5-second grinding assembly, 51-horizontal rod, 52-third slider, 53-fourth slider, 54-side grinding roller, 61-first motor, 62-second motor, 63-third motor, 64-fourth motor, 65-fifth motor, 66-sixth motor, 7-linear drive. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example

[0028] like Figure 1-5As shown, in this embodiment, a wind turbine blade main beam grinding device is mainly disclosed, which is suitable for grinding rolled pultruded plates, including a box body 1 and plates, the box body 1 is provided with a feed port and a discharge port, a supporting wheel group 2 is fixed in the box body 1, a pressing plate wheel group 3 is vertically and movably connected in the box body 1, the supporting wheel group 2 and the pressing plate wheel group 3 cooperate to extrude and convey the plates, a first grinding component 4 for grinding the plate surface and a second grinding component 5 for grinding the side of the plate are provided in the box body 1; specifically, the feed port and the discharge port are arranged on opposite end surfaces of the box body 1, and the feed port and the discharge port are on the same horizontal plane with the upper edge of the supporting wheel group 2, so as to ensure the smooth and stable transmission of the plates; the supporting wheel group 2 is horizontally arranged in the box body 1, and the pressing plate wheel group 3 is arranged parallel to the supporting wheel group 2 Above the wheel group 2, the first grinding component 4 is respectively located above and below the plate, and the second grinding component 5 is respectively located on the horizontal left and right sides of the plate conveying direction; when the plate needs to be polished, the plate is fed into the box body 1 through the feed opening and placed on the supporting wheel group 2, and the pressing plate wheel group 3 is moved vertically to press the pressing plate wheel group 3 on the plate to squeeze the plate, so that the arc shape of the plate is corrected to form a flat plate structure, which is convenient for polishing and ensures the accuracy of the polishing process; during operation, the supporting wheel group 2 and the pressing plate wheel group 3 always keep squeezing the plate and convey the plate toward the discharge port. During the conveying process, the plate is polished on the upper and lower end faces by the first grinding component 4, and on the two side edges by the second grinding component 5, which improves the comprehensiveness of the polishing.

[0029] Furthermore, in the specific implementation, Figure 1 , 2As shown in , 4, the first grinding assembly 4 provided in the embodiment of the present invention includes a driving shaft 41, a first motor 61 for driving the driving shaft 41 to rotate is provided on the box body 1, a first slider 43 and a second slider 44 are threadedly connected to the driving shaft 41, the thread directions of the first slider 43 and the second slider 44 are opposite, one end of the first slider 43 and the second slider 44 are respectively hinged to an upper grinding roller 45 through a connecting rod, and the other end of the first slider 43 and the second slider 44 are respectively hinged to a lower grinding roller 46 through a connecting rod, the plate is arranged between the upper grinding roller 45 and the lower grinding roller 46, and the upper grinding roller 45 and the lower grinding roller 46 are respectively driven by the second motor 62; specifically, two sections of threads are provided on the driving shaft 41, and the two sections of threads are in opposite directions, which are respectively matched to connect the first slider 43 and the second slider 44, and when the first slider 43 and the second slider 44 do not rotate, the first motor 61 drives the driving shaft 41 to rotate coaxially, so as to drive the first slider 43 and the second slider 44 to move in opposite directions in the plate conveying direction. , by changing the clockwise or counterclockwise rotation direction of the first motor 61, the first slider 43 is adjusted to move closer to or farther away from each other; the upper grinding roller 45 and the lower grinding roller 46 both include clamping plates on both sides and a cylindrical actuator in the middle, the actuator and the clamping plates are rotatably connected through bearings, one end of the connecting rod is hinged to the first slider 43 or the second slider 44, and the other end of the connecting rod is hinged to the clamping plate, and the main view as a whole constitutes a rhombus-like structure, through the opposite movement of the first slider 43 and the second slider 44, the upper grinding roller 45 and the lower grinding roller 46 are driven to move closer to or farther away from each other in the vertical direction; during operation, the first motor 61 is first started to drive the first slider 43 and the second slider 44 away from each other, pull the upper grinding roller 45 against the upper end surface of the plate, and the lower grinding roller 46 against the lower end surface of the plate, and then start the second motor 62, respectively coaxially drive the actuators of the upper grinding roller 45 and the lower grinding roller 46 to rotate, and grind the plate, which can adapt to the grinding of plates of different thicknesses to a certain extent, thereby improving the flexibility and applicability of the device.

[0030] Preferably, the first grinding assembly 4 further includes a driven shaft 42, which rotates synchronously with the driving shaft 41 after being driven by the gear of the driving shaft 41, and the driven shaft 42 is threadedly connected with the first slider 43 and the second slider 44 respectively; specifically, the driven shaft 42 can adopt the same structure as the driving shaft 41, and the driven shaft 42 and the driving shaft 41 are respectively arranged on both sides of the execution part, such as Figure 3 As shown, the driving shaft 41 is driven by a series of gear meshing transmissions to achieve synchronous rotation of the driving shaft 41 and the driven shaft 42 , thereby improving the stability of the first grinding assembly 4 .

[0031] Furthermore, in the specific implementation, Figure 1 , 2As shown in Figure 5, the second grinding assembly 5 provided in the embodiment of the present invention includes a horizontal rod 51, a third motor 63 for driving the horizontal rod 51 to rotate is connected to the box body 1, a third slider 52 and a fourth slider 53 are threadedly connected to the horizontal rod 51, the thread directions of the third slider 52 and the fourth slider 53 are opposite, and the third slider 52 and the fourth slider 53 are both provided with a side grinding roller 54 driven by a fourth motor 64; the horizontal rod 51 is arranged along the width direction of the box body 1, and two are provided along the vertical direction; specifically, the relative movement principle of the third slider 52 and the fourth slider 53 is similar to that of the first slider 43 and the second slider 44, and the third motor 63 is used to rotate the third slider 52 and the fourth slider 53. Driven to drive the third slider 52 and the fourth slider 53 to move closer to or away from each other in the horizontal width direction of the box body 1, the grinding roller includes a rotating rod and a cylindrical actuator coaxially connected to the output shaft of the fourth motor 64, and the side grinding roller 54 is arranged between the upper third slider 52 and between the fourth slider 53 of the upper and lower horizontal rods 51; during operation, the third motor 63 is driven to drive the third slider 52 and the fourth slider 53 to move closer to each other, so that the actuator of the side grinding roller 54 is respectively in contact with the two sides of the plate, and then the fourth motor 64 is started to grind the plate, which can adapt to the grinding of plates of different widths to a certain extent, further improving the flexibility and applicability of the device.

[0032] Furthermore, in the specific implementation, Figure 1 As shown, the pressure plate wheel group 3 provided in the embodiment of the present invention includes a movable bracket 31, and a plurality of pressure wheels 32 are rotatably connected to the movable bracket 31. The plurality of pressure wheels 32 are driven by a fifth motor 65 sprocket. A linear drive 7 for driving the movable bracket 31 to vertically move is provided on the box body 1; specifically, the movable bracket 31 is connected and suspended in the box body 1 through the linear drive 7. In order to avoid structural interference with the first grinding component 4, the movable bracket 31 can be configured as a ring frame structure with a middle protrusion. A plurality of pressure wheels 32 are respectively connected to the movable bracket 31 through a rotating shaft. The pressure wheels 32 are cylindrical, and a gear is also provided on the rotating shaft. Through a chain, the fifth motor 65 drives each pressure wheel 32 to rotate synchronously.

[0033] In addition, the movable bracket 31 is provided with a vertical guide rod 33, and the box body 1 is provided with a guide hole that cooperates with the vertical guide rod 33. The vertical guide rod 33 is provided with a limit block 34 that abuts against the box body 1. It should be noted that a plurality of vertical guide rods 33 can be provided, and correspondingly, a plurality of guide holes are provided. Through the cooperation of the vertical guide rod 33 and the guide holes, the stable vertical movement of the movable bracket 31 is achieved. At the same time, the setting of the limit block 34 can effectively limit the downward movement of the movable bracket 31 and abut against the damaged supporting wheel group 2, thereby ensuring the safety of the operation of the device.

[0034] Furthermore, in the specific implementation, Figure 1As shown, the above-mentioned supporting wheel group 2 provided in the embodiment of the present invention includes a fixed bracket 21, and a plurality of rollers 22 are rotatably connected to the fixed bracket 21, and the plurality of rollers 22 are driven by the sprocket of the sixth motor 66; specifically, the fixed bracket 21 is a frame structure, and its end portion is welded to the inner wall of the box body 1, and mainly plays the role of supporting and transmitting. Similarly, the fixed bracket 21 is respectively connected to a plurality of rollers 22 through a rotating shaft, and the rollers 22 are cylindrical. A gear is also arranged on the rotating shaft, and the sixth motor 66 drives each roller 22 to rotate synchronously through a chain; it should be noted that the rollers 22 and the pressure wheels 32 are arranged one by one up and down, and the arrangement of the rollers 22 and the pressure wheels 32 should consider avoiding the first grinding assembly 4 and the second grinding assembly 5. The rotation directions of the output shafts of the fifth motor 65 and the sixth motor 66 are opposite to each other, so as to ensure the smooth transmission of the plate.

[0035] Furthermore, in a specific implementation, the box body 1 provided in the embodiment of the present invention is provided with an observation window on one side of the feed port. The observation window may be made of transparent glass material. The pressing state of the plate by the pressing wheel 32 may be observed through the observation window. When the curled plate is pressed down into a flat plate structure, the linear drive 7 may be stopped.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fan blade main beam grinding device, comprising a box (1) and a plate, characterized in that: The box body (1) is provided with a material inlet and a material outlet, a supporting wheel group (2) is fixed inside the box body (1), a pressing plate wheel group (3) is vertically and movably connected inside the box body (1), the supporting wheel group (2) and the pressing plate wheel group (3) cooperate to extrude and convey the plate, and a first grinding component (4) for grinding the plate surface and a second grinding component (5) for grinding the side edge of the plate are provided inside the box body (1); The first grinding assembly (4) comprises a driving shaft (41), a first slider (43) and a second slider (44) are threadedly connected to the driving shaft (41), the thread directions of the first slider (43) and the second slider (44) are opposite, one end of the first slider (43) and the second slider (44) are respectively hinged to an upper grinding roller (45) through a connecting rod, the other end of the first slider (43) and the second slider (44) are respectively hinged to a lower grinding roller (46) through a connecting rod, and the plate is arranged between the upper grinding roller (45) and the lower grinding roller (46); The second grinding assembly (5) comprises a horizontal rod (51), a third slider (52) and a fourth slider (53) are threadedly connected to the horizontal rod (51), the thread directions of the third slider (52) and the fourth slider (53) are opposite, and the third slider (52) and the fourth slider (53) are respectively provided with side grinding rollers (54), and the side grinding rollers (54) are respectively arranged on both sides of the plate.

2. A fan blade main beam grinding device as claimed in claim 1, characterized in that: The first grinding assembly (4) further comprises a driven shaft (42), wherein the driven shaft (42) rotates synchronously with the driving shaft (41) after being gear-driven by the driving shaft (41), and the driven shaft (42) is respectively threadedly connected to the first slider (43) and the second slider (44).

3. A fan blade main beam grinding device as claimed in claim 1, characterized in that: The box body (1) is provided with a first motor (61) for driving the driving shaft (41) to rotate and a third motor (63) for driving the horizontal rod (51) to rotate; the upper grinding roller (45) and the lower grinding roller (46) are driven by the second motor (62) respectively; and the side grinding roller (54) is driven by the fourth motor (64).

4. A fan blade main beam grinding device as claimed in claim 1, characterized in that: The pressure plate wheel group (3) includes a movable bracket (31), and a plurality of pressure wheels (32) are rotatably connected to the movable bracket (31). The plurality of pressure wheels (32) are driven by a sprocket of a fifth motor (65). The box body (1) is provided with a linear drive (7) for driving the movable bracket (31) to move vertically.

5. A fan blade main beam grinding device as claimed in claim 4, characterized in that: The movable bracket (31) is provided with a vertical guide rod (33), the box body (1) is provided with a guide hole matched with the vertical guide rod (33), and the vertical guide rod (33) is provided with a limit block (34) abutting against the box body (1).

6. A wind turbine blade main beam grinding device as claimed in claim 1, characterized in that: The supporting wheel group (2) comprises a fixed bracket (21), and a plurality of rollers (22) are rotatably connected to the fixed bracket (21), and the plurality of rollers (22) are driven by a sprocket of a sixth motor (66).

7. A wind turbine blade main beam grinding device as claimed in claim 1, characterized in that: The horizontal bars (51) are arranged along the width direction of the box body (1), and two bars are arranged along the vertical direction.

8. A wind turbine blade main beam grinding device as claimed in claim 1, characterized in that: The box body (1) is provided with an observation window on one side of the feed inlet.

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