A device for measuring blade width based on pressure sensing

Abstract

The present invention relates to the field of blade measurement technology, and discloses a device for measuring blade width based on pressure sensing, comprising a workbench, a guide groove is provided at the top of the workbench, the guide groove is in the shape of a trumpet, movable grooves are provided at equal distances at the front and rear ends of the inner side of the guide groove, and a limit spring is fixedly installed inside the movable groove. The device for measuring blade width based on pressure sensing is provided by installing a limit spring inside the movable groove, and a clamping plate is provided at the other end of the limit spring. When the blade enters the guide groove, due to the particularity of the guide groove structure, the angle of the blade is limited to a certain extent, and at the same time, the two ends of the blade are in contact with the clamping plate. At this time, the limit spring can provide elastic force to drive the clamping plate to be relatively close to clamp the blade, and further limit the angle of the blade, thereby achieving the advantage of limiting the entry angle of the blade.

Description

Technical Field

[0001] The invention relates to the technical field of blade measurement, in particular to a device for measuring blade width based on pressure sensing. Background Art

[0002] During the production and processing of blades, they need to strictly comply with standard size specifications, including the inspection and verification of blade width to achieve automated inspection of blades. The usual inspection method is to cooperate with the positioning cylinder and contact the measured object through the pressure sensor to cause the pressure sensor to deform. The amount of deformation is converted into length and width values ​​through data calculation. The numerical reporting system is compared with the pre-set value. When the comparison is within the set range, it is defined as a good product and put into the normal collection box. If it exceeds the range, confirm which type of abnormality (such as length abnormality, thickness abnormality, etc.) is automatically placed in the corresponding abnormal product collection box to complete the inspection.

[0003] At present, during the production and inspection process of blades, it is necessary to measure the width of the blades to ensure that the thickness of the blades meets the production specifications. The blade width detection device currently used generally adopts a cylinder to clamp the blades and uses a pressure-sensitive sensor to detect the width of the blades. However, during the inspection process, the blades do not enter the inspection device at a uniform angle or position. This results in the pressure-sensitive sensor being worn if there is any tilt after the blades enter the inspection device, and the pressure-sensitive sensor will be damaged after long-term use.

[0004] At the same time, since pressure sensing is used to measure the width of the blade, the blade needs to be lifted up before its width can be measured. Currently, the blade is manually picked up and then placed in the detection device for monitoring before measurement. This process not only wastes a lot of manpower, but also easily causes the blade to tilt when it is placed in the detection device again, affecting the actual measurement.

[0005] When the movable frame is driven by the cylinder to measure it, the pressure sensitive sensor is in contact with the blade to be measured for a long time. After long-term use, the pressure sensitive sensor is subjected to greater pressure. At this time, the pressure sensitive sensor generally needs to be replaced to meet the measurement requirements. However, it is currently extremely inconvenient to disassemble and assemble the pressure sensitive sensor and cannot meet actual use. Summary of the invention

[0006] The present invention provides a device for measuring blade width based on pressure sensing, which has the advantages of being able to limit the blade entry angle, automatically lift the blade, and facilitate disassembly and assembly of the pressure-sensitive sensor, thereby solving the problems raised in the above-mentioned background technology.

[0007] The present invention provides the following technical solution: a device for measuring blade width based on pressure sensing, comprising a workbench, a guide groove being provided at the top of the workbench, the guide groove being in the shape of a trumpet, movable grooves being provided at equal distances at the front and rear ends of the inner side surface of the guide groove, a limit spring being fixedly installed inside the movable groove, a clamping plate being fixedly installed at the other end of the limit spring, the height of the clamping plate being the same as the width of the guide groove, and suction cups being fixedly installed at the four corners of the bottom end of the workbench.

[0008] Preferably, a fixed plate is fixedly installed at the left end of the workbench, telescopic rods are fixedly installed on both the front and rear sides of the top of the fixed plate, and a movable plate is fixedly installed on the top of the telescopic rod.

[0009] Preferably, the movable plate is in a concave shape, and anti-slip pads are fixedly installed at equal distances on the top of the movable plate.

[0010] Preferably, mounting grooves are provided at equal distances at the bottom end of the guide groove, and rollers are movably installed inside the mounting grooves.

[0011] Preferably, a fixed frame is fixedly installed on the right end of the workbench, a cylinder is fixedly installed on the front and rear sides of the top of the fixed frame, a movable frame is fixedly installed on the top of the cylinder, a slot is provided at the relatively close ends of the fixed frame and the movable frame, a card block is movably installed inside the card slot, and a pressure-sensitive sensor is fixedly installed on the other end of the card block.

[0012] Preferably, guide rails are fixedly installed on both the front and rear sides of the bottom end of the workbench, and a collection tray located below the fixed frame is movably installed between the guide rails.

[0013] The present invention has the following beneficial effects:

[0014] 1. The device for measuring blade width based on pressure sensing has a guide groove on the top of the workbench, and movable grooves on the left and right ends of the guide groove, and a limit spring is installed inside the movable groove, and a clamping plate is provided at the other end of the limit spring. When the blade enters the guide groove, due to the particularity of the guide groove structure, the angle of the blade is limited to a certain extent, and at the same time, the two ends of the blade are in contact with the clamping plate. At this time, the limit spring can provide elastic force to drive the clamping plate to be relatively close to clamp the blade, and the angle of the blade is further limited, thereby achieving the advantage of limiting the entry angle of the blade.

[0015] 2. The device for measuring blade width based on pressure sensing has a fixed plate fixed at the left end of the workbench, and telescopic rods fixed on the left and right sides of the top of the fixed plate, and a movable plate fixed on the top of the telescopic rod. When the thickness of the blade needs to be measured, the blade can be placed above the movable plate, and the movable plate can be driven to move upward by opening the telescopic rod to lift the blade and drive the blade through the roller inside the mounting groove, so that the blade is always at a certain height, thereby achieving the advantage of automatically lifting the blade.

[0016] 3. The device for measuring blade width based on pressure sensing has a sliding groove at one end where the movable frame and the fixed frame are relatively close, and a card block is movably connected to the inner part of the slot, while a pressure-sensitive sensor is fixed to the other end of the card block. When in use, the movable frame can be driven to move relative to the fixed frame by controlling the cylinder, so as to drive the pressure-sensitive sensor to clamp the blade and measure its width. At the same time, when the pressure-sensitive sensor needs to be disassembled, it can be disassembled by sliding the card block, thereby achieving the advantage of convenient disassembly and assembly of the pressure-sensitive sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is an exploded schematic diagram of the movable plate structure of the present invention;

[0019] Figure 3 is a schematic diagram of the bottom structure of the present invention;

[0020] Figure 4 It is an exploded schematic diagram of the card block and the collecting plate structure of the present invention;

[0021] Figure 5 It is an exploded schematic diagram of the clamping plate structure of the present invention;

[0022] Figure 6 for Figure 4 A magnified schematic diagram of the structure in the middle.

[0023] In the figure: 1. workbench; 2. guide groove; 3. mounting groove; 4. roller; 5. fixed plate; 6. telescopic rod; 7. movable plate; 8. anti-slip pad; 9. suction cup; 10. movable groove; 11. clamping plate; 12. limit spring; 13. fixed frame; 14. movable frame; 15. cylinder; 16. slot; 17. block; 18. pressure-sensitive sensor; 19. guide rail; 20. collection tray. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0025] See also Figure 1-6 A device for measuring blade width based on pressure sensing includes a workbench 1, a guide groove 2 is provided at the top of the workbench 1, and the shape of the guide groove 2 is trumpet-shaped. Movable grooves 10 are provided at equal distances at the front and rear ends of the inner side of the guide groove 2. A limit spring 12 is fixedly installed inside the movable groove 10, and a clamping plate 11 is fixedly installed at the other end of the limit spring 12. The height of the clamping plate 11 is the same as the width of the guide groove 2. Suction cups 9 are fixedly installed at the four corners of the bottom end of the workbench 1.

[0026] Among them, a fixed plate 5 is fixedly installed on the left end of the workbench 1, and telescopic rods 6 are fixedly installed on the front and rear sides of the top of the fixed plate 5. A movable plate 7 is fixedly installed on the top of the telescopic rod 6. The movable plate 7 can be moved upward by opening the telescopic rod 6 to lift the blade for convenient measurement.

[0027] The movable plate 7 is in a concave shape, and anti-skid pads 8 are fixedly installed at equal distances on the top of the movable plate 7 to prevent the blades from slipping when placed on the top of the movable plate 7.

[0028] Among them, the bottom end of the guide groove 2 is equidistantly provided with mounting grooves 3, and rollers 4 are movably installed inside the mounting grooves 3. The blades can also be driven by the rollers 4 inside the mounting grooves 3 so that the blades are always at a certain height.

[0029] Among them, a fixed frame 13 is fixedly installed on the right end of the workbench 1, and a cylinder 15 is fixedly installed on the front and rear sides of the top of the fixed frame 13, and a movable frame 14 is fixedly installed on the top of the cylinder 15. A slot 16 is provided at the relatively close end of the fixed frame 13 and the movable frame 14, and a card block 17 is movably installed inside the card slot 16. A pressure-sensitive sensor 18 is fixedly installed on the other end of the card block 17. The movable frame 14 can be driven to move relative to the fixed frame 13 by controlling the cylinder 15, so as to drive the pressure-sensitive sensor 18 to clamp the blade and then measure its width. At the same time, when the pressure-sensitive sensor 18 needs to be disassembled, it only needs to slide the card block 17 to achieve the disassembly of the pressure-sensitive sensor 18.

[0030] Among them, guide rails 19 are fixedly installed on the front and rear sides of the bottom of the workbench 1, and a collection tray 20 located below the fixed frame 13 is movably installed between the guide rails 19. The qualified blades will then fall onto the top of the collection tray 20, and the collection tray 20 can be removed by pulling the collection tray 20.

[0031] Working principle: when in use, the device for measuring blade width based on pressure sensing can be placed on the top of the movable plate 7, and the movable plate 7 is driven to move upward by opening the telescopic rod 6 to lift the blade and transmit the blade through the roller 4 inside the mounting groove 3, so that the blade is always at a certain height. When the blade enters the inside of the guide groove 2, due to the particularity of the structure of the guide groove 2, the angle of the blade is limited to a certain extent. At the same time, the two ends of the blade are in contact with the clamping plate 11. At this time, the limit spring 12 can provide elastic force to drive the clamping plate 11 to be relatively close to clamp the blade, and further limit the angle of the blade. The movable frame 14 can also be driven by controlling the cylinder 15 to move relative to the fixed frame 13, so as to drive the pressure-sensitive sensor 18 to clamp the blade and then measure its width. At the same time, when the pressure-sensitive sensor 18 needs to be disassembled, the pressure-sensitive sensor 18 can be disassembled by sliding the block 17.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring blade width based on pressure sensing, comprising a workbench (1), characterized in that: A guide groove (2) is provided at the top of the workbench (1), and the guide groove (2) is trumpet-shaped. Movable grooves (10) are provided at equal distances at the front and rear ends of the inner side surface of the guide groove (2). A limit spring (12) is fixedly installed inside the movable groove (10). A clamping plate (11) is fixedly installed at the other end of the limit spring (12). The height of the clamping plate (11) is the same as the width of the guide groove (2). Suction cups (9) are fixedly installed at the four corners of the bottom end of the workbench (1); A fixed frame (13) is fixedly mounted on the right end of the workbench (1), a cylinder (15) is fixedly mounted on both the front and rear sides of the top of the fixed frame (13), a movable frame (14) is fixedly mounted on the top of the cylinder (15), a slot (16) is provided at the relatively close ends of the fixed frame (13) and the movable frame (14), a card block (17) is movably mounted inside the card slot (16), and a pressure-sensitive sensor (18) is fixedly mounted on the other end of each card block (17); Guide rails (19) are fixedly mounted on both the front and rear sides of the bottom of the workbench (1), and a collecting tray (20) located below the fixing frame (13) is movably mounted between the guide rails (19).

2. The device for measuring blade width based on pressure sensing according to claim 1, characterized in that: A fixed plate (5) is fixedly mounted on the left end of the workbench (1), telescopic rods (6) are fixedly mounted on both the front and rear sides of the top of the fixed plate (5), and a movable plate (7) is fixedly mounted on the top of the telescopic rod (6).

3. The device for measuring blade width based on pressure sensing according to claim 2, characterized in that: The movable plate (7) is in the shape of a concave character, and anti-slip pads (8) are fixedly mounted at equal distances on the top of the movable plate (7).

4. The device for measuring blade width based on pressure sensing according to claim 1, characterized in that: The bottom end of the guide groove (2) is provided with mounting grooves (3) at equal distances, and a roller (4) is movably mounted inside the mounting groove (3).

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