Blade strength comprehensive testing device

Abstract

The utility model relates to the technical field of blade strength testing, in particular to a comprehensive testing device for blade strength. The utility model provides a blade strength comprehensive testing device which can realize comprehensive testing of bending strength, compression resistance, hardness and corrosion resistance of a blade, realizes integration of blade strength testing, reduces testing cost and improves testing efficiency. A comprehensive blade strength testing device comprises a connecting frame, a first motor and the like, and the right lower portion of the connecting frame is connected with the first motor. According to the utility model, the first movable clamping plate and the second movable clamping plate move back and forth to bend the blade, the second motor drives the one-way screw rod to rotate so as to drive the extrusion plate to move downwards, and then acid liquor is sprayed out through the spray head, so that the comprehensive test of bending strength, compression resistance, hardness and corrosion resistance of the blade is realized; blade strength testing integration is achieved, the testing cost is reduced, and the testing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blade strength testing, in particular to a comprehensive blade strength testing device. Background Technique

[0002] A blade is a common tool, usually used for cutting, trimming and processing various materials. Blades are usually made of materials such as metal, ceramic, alloy, etc., and have sharp cutting edges, which can cut materials under the application of a certain force. They are widely used in daily life, industrial production and professional fields. According to different uses and requirements, the materials, shapes, sizes and manufacturing processes of blades are different.

[0003] The existing blade strength test is to fix the blade on a bracket, then apply forces at both ends until the blade breaks to test the bending strength of the blade, and then use a hardness testing instrument to test the hardness and compressive strength of the blade. Then, the anti-corrosion detection is carried out by spraying a solution on the blade through a container filled with a corrosive solution. Currently, for blade strength testing, the blade needs to be placed on different instrument devices, and then different function instruments are used to detect the blade strength. The operation is relatively troublesome, which is likely to affect the test efficiency, and the cost of blade strength testing is relatively high.

[0004] Therefore, it is necessary to design a comprehensive blade strength testing device that can realize the comprehensive testing of the bending strength, compressive strength, hardness and anti-corrosion of the blade, realize the integration of blade strength testing, reduce the testing cost and improve the testing efficiency. Summary of the Invention

[0005] In order to overcome the shortcomings that the existing blade strength test requires the blade to be placed on different instrument devices, and then different function instruments are used to detect the blade strength, the operation is relatively troublesome, which is likely to affect the test efficiency, and the cost of blade strength testing is relatively high, the utility model provides a comprehensive blade strength testing device that can realize the comprehensive testing of the bending strength, compressive strength, hardness and anti-corrosion of the blade, realize the integration of blade strength testing, reduce the testing cost and improve the testing efficiency.

[0006] The technical solution is: a comprehensive blade strength testing device, including a connecting frame, a first motor, a first reciprocating lead screw, a first moving plate, a second moving plate and a blade. The right lower part of the connecting frame is connected with a first motor, the middle lower part of the connecting frame is rotatably connected with a first reciprocating lead screw, the first reciprocating lead screw is connected with the output shaft of the first motor, the first reciprocating lead screw is threadedly connected with a first moving plate, the first reciprocating lead screw is threadedly connected with a second moving plate, the second moving plate is located on the right side of the first moving plate, both the first moving plate and the second moving plate are slidably connected with the connecting frame, and a blade is placed between the upper parts of the first moving plate and the second moving plate.

[0007] Furthermore, it further includes a rotating column, bevel gears, a first flat belt, a second reciprocating lead screw, a first moving clamping plate, a second flat belt, a third reciprocating lead screw and a second moving clamping plate. The right rear part of the connecting frame is rotatably connected with a rotating column, the front part of the rotating column is connected with a bevel gear, and the output shaft of the first motor is also connected with a bevel gear. The bevel gears are meshed with each other. The right part of the connecting frame is rotatably connected with a second reciprocating lead screw. A first flat belt is wound around between the second reciprocating lead screw and the rotating column through a pulley. A first moving clamping plate is connected to the second reciprocating lead screw through a thread. The first moving clamping plate is in contact and cooperation with the blade. The left lower part of the connecting frame is rotatably connected with a third reciprocating lead screw. The thread directions of the second reciprocating lead screw and the third reciprocating lead screw are opposite. A second flat belt is wound around between the third reciprocating lead screw and the rotating column through a pulley. A second moving clamping plate is connected to the third reciprocating lead screw through a thread. The second moving clamping plate is in contact and cooperation with the blade.

[0008] Furthermore, it further includes a second motor, a one-way lead screw and an extrusion plate. The right upper part of the connecting frame is connected with a second motor. The right part of the connecting frame is rotatably connected with a one-way lead screw. The one-way lead screw is located on the right side of the second reciprocating lead screw. The one-way lead screw passes through the connecting frame and is connected with the output shaft of the second motor. An extrusion plate is connected to the one-way lead screw through a thread. The extrusion plate is slidably connected with the connecting frame.

[0009] Furthermore, it further includes a connecting pipe and a spray pipe. The upper part of the connecting frame is connected with a connecting pipe. A water pump is arranged on the upper part of the connecting pipe. The lower part of the connecting pipe is connected with a spray pipe.

[0010] Furthermore, a plurality of nozzles are arranged on the spray pipe.

[0011] Furthermore, both the connecting pipe and the spray pipe are made of polypropylene material, which has good corrosion resistance.

[0012] The beneficial effects are as follows: 1. In the present utility model, by the front and back movement of the first moving clamping plate and the second moving clamping plate, the blade is bent. The second motor drives the one-way lead screw to rotate, and then drives the extrusion plate to move downward. Then, the acid solution is sprayed through the nozzle, so as to realize the comprehensive test of the blade's bending strength, compressive strength, hardness and corrosion resistance, realize the integration of the blade strength test, reduce the test cost and improve the test efficiency.

[0013] 2. In the present utility model, the first motor drives the first reciprocating lead screw and the bevel gear to rotate. Under the action of the thread, the first moving plate and the second moving plate move simultaneously, so that the positions of the first moving plate and the second moving plate can be adjusted to perform bending tests on different positions of the blade, and then the bending strength of the blade is tested, improving the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0015] Figure 2 This is a schematic structural diagram of the present utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the present utility model.

[0017] Figure 4 This is a three-dimensional structural diagram of the present utility model.

[0018] Figure 5 This is a three-dimensional structural diagram of the present utility model.

[0019] Figure 6 This is a three-dimensional structural diagram of the present utility model.

[0020] Names and serial numbers of components in the figure: 1 - connecting frame, 2 - first motor, 3 - first reciprocating lead screw, 4 - first moving plate, 5 - second moving plate, 6 - blade, 7 - rotating column, 8 - bevel gear, 9 - first flat belt, 10 - second reciprocating lead screw, 11 - first moving clamping plate, 12 - second flat belt, 13 - third reciprocating lead screw, 14 - second moving clamping plate, 15 - second motor, 16 - one-way lead screw, 17 - pressing plate, 18 - connecting pipe, 19 - spray pipe. Specific embodiments

[0021] The following details the preferred technical solutions of the present utility model with reference to the accompanying drawings.

[0022] A comprehensive blade strength testing device, as Figures 1-6As shown in the figure, it includes a connecting frame 1, a first motor 2, a first reciprocating lead screw 3, a first moving plate 4, a second moving plate 5, a blade 6, a rotating column 7, a bevel gear 8, a first flat belt 9, a second reciprocating lead screw 10, a first moving clamping plate 11, a second flat belt 12, a third reciprocating lead screw 13, a second moving clamping plate 14, a second motor 15, a one-way lead screw 16, a pressing plate 17, a connecting pipe 18 and a spray pipe 19. The lower right part of the connecting frame 1 is connected with a first motor 2. The middle lower part of the connecting frame 1 is rotatably connected with a first reciprocating lead screw 3. The first reciprocating lead screw 3 is connected with the output shaft of the first motor 2. A first moving plate 4 is connected to the first reciprocating lead screw 3 by a thread. A second moving plate 5 is connected to the first reciprocating lead screw 3 by a thread. The second moving plate 5 is located on the right side of the first moving plate 4. Both the first moving plate 4 and the second moving plate 5 are slidably connected to the connecting frame 1. A blade 6 is placed between the upper parts of the first moving plate 4 and the second moving plate 5. The rear right part of the connecting frame 1 is rotatably connected with a rotating column 7. A bevel gear 8 is connected to the front part of the rotating column 7. The bevel gear 8 is also connected to the output shaft of the first motor 2. The bevel gears 8 are meshed with each other. The right part of the connecting frame 1 is rotatably connected with a second reciprocating lead screw 10. A first flat belt 9 is wound around the second reciprocating lead screw 10 and the rotating column 7 by a pulley. A first moving clamping plate 11 is connected to the second reciprocating lead screw 10 by a thread. The first moving clamping plate 11 is in contact and cooperation with the blade 6. The lower left part of the connecting frame 1 is rotatably connected with a third reciprocating lead screw 13. The thread directions of the second reciprocating lead screw 10 and the third reciprocating lead screw 13 are opposite. A second flat belt 12 is wound around the third reciprocating lead screw 13 and the rotating column 7 by a pulley. A second moving clamping plate 14 is connected to the third reciprocating lead screw 13 by a thread. The second moving clamping plate 14 is in contact and cooperation with the blade 6. The upper right part of the connecting frame 1 is connected with a second motor 15. The right part of the connecting frame 1 is rotatably connected with a one-way lead screw 16. The one-way lead screw 16 is located on the right side of the second reciprocating lead screw 10. The one-way lead screw 16 passes through the connecting frame 1 and is connected with the output shaft of the second motor 15. A pressing plate 17 is connected to the one-way lead screw 16 by a thread. The pressing plate 17 is slidably connected to the connecting frame 1. The upper part of the connecting frame 1 is connected with a connecting pipe 18. A water pump is provided on the upper part of the connecting pipe 18. The lower part of the connecting pipe 18 is connected with a spray pipe 19. Eight nozzles are provided on the spray pipe 19, which is convenient for spraying liquid. Both the connecting pipe 18 and the spray pipe 19 are made of polypropylene material and have good corrosion resistance.

[0023] When a comprehensive test of the strength of the blade 6 is required, this device can be used. Bring this device to the place where a comprehensive test of the strength of the blade 6 is needed, and then place the blade 6 on the first moving plate 4 and the second moving plate 5. Start the first motor 2, which drives the first reciprocating screw rod 3 and the bevel gear 8 to rotate. Under the action of the thread, the first moving plate 4 and the second moving plate 5 move simultaneously. At the same time, the bevel gears 8 engage with each other and move, driving the rotating column 7 to rotate, and then driving the pulley to rotate, so that the first flat belt 9 and the second flat belt 12 rotate, and then driving the other pulleys to rotate, so that the second reciprocating screw rod 10 and the third reciprocating screw rod 13 rotate. Under the action of the thread, the first moving clamping plate 11 and the second moving clamping plate 14 move back and forth, causing the blade 6 to bend. Thus, the positions of the first moving plate 4 and the second moving plate 5 can be adjusted to perform bending tests on different positions of the blade 6, and then the bending strength of the blade 6 can be tested, improving the accuracy of the test. Then start the second motor 15, which drives the one-way screw rod 16 to rotate through the second motor 15, and then drives the pressing plate 17 to move downward, thereby testing the compressive strength and hardness of the blade 6. Then, connect an external acid solution through the connecting pipe 18, start the water pump on the connecting pipe 18, so that the acid solution flows through the connecting pipe 18 and into the spray pipe 19, and the acid solution is sprayed out through the nozzle, and then the acid solution is sprayed on the blade 6. The connecting pipe 18 and the spray pipe 19 are both made of polypropylene material, which has good corrosion resistance, and then the corrosion resistance of the blade 6 is tested. Thus, a comprehensive test of the bending strength, compressive strength, hardness and corrosion resistance of the blade 6 is realized, the integration of the strength test of the blade 6 is achieved, the test cost is reduced, and the test efficiency is improved. After the test is completed, just turn off the first motor 2 and the second motor 15.

[0024] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An integrated blade strength testing device, characterized in that, It includes a connecting frame (1), a first motor (2), a first reciprocating lead screw (3), a first moving plate (4), a second moving plate (5) and a blade (6). The right lower part of the connecting frame (1) is connected with the first motor (2). The middle lower part of the connecting frame (1) is rotatably connected with the first reciprocating lead screw (3). The first reciprocating lead screw (3) is connected with the output shaft of the first motor (2). The first moving plate (4) is connected to the first reciprocating lead screw (3) by a thread. The second moving plate (5) is connected to the first reciprocating lead screw (3) by a thread. The second moving plate (5) is located on the right side of the first moving plate (4). Both the first moving plate (4) and the second moving plate (5) are slidably connected to the connecting frame (1). A blade (6) is placed between the upper parts of the first moving plate (4) and the second moving plate (5).

2. The comprehensive blade strength testing device according to claim 1, characterized in that, It further includes a rotating column (7), bevel gears (8), a first flat belt (9), a second reciprocating lead screw (10), a first moving clamping plate (11), a second flat belt (12), a third reciprocating lead screw (13) and a second moving clamping plate (14). The right rear part of the connecting frame (1) is rotatably connected with the rotating column (7). The front part of the rotating column (7) is connected with a bevel gear (8). The output shaft of the first motor (2) is also connected with a bevel gear (8). The bevel gears (8) are meshed with each other. The right part of the connecting frame (1) is rotatably connected with the second reciprocating lead screw (10). A first flat belt (9) is wound around the second reciprocating lead screw (10) and the rotating column (7) through pulleys. The first moving clamping plate (11) is connected to the second reciprocating lead screw (10) by a thread. The first moving clamping plate (11) is in contact and cooperation with the blade (6). The left lower part of the connecting frame (1) is rotatably connected with the third reciprocating lead screw (13). The thread directions of the second reciprocating lead screw (10) and the third reciprocating lead screw (13) are opposite. A second flat belt (12) is wound around the third reciprocating lead screw (13) and the rotating column (7) through pulleys. The second moving clamping plate (14) is connected to the third reciprocating lead screw (13) by a thread. The second moving clamping plate (14) is in contact and cooperation with the blade (6).

3. The comprehensive blade strength testing device according to claim 2, characterized in that, It further includes a second motor (15), a one-way lead screw (16) and a pressing plate (17). The right upper part of the connecting frame (1) is connected with the second motor (15). The right part of the connecting frame (1) is rotatably connected with the one-way lead screw (16). The one-way lead screw (16) is located on the right side of the second reciprocating lead screw (10). The one-way lead screw (16) passes through the connecting frame (1) and is connected with the output shaft of the second motor (15). The pressing plate (17) is connected to the one-way lead screw (16) by a thread. The pressing plate (17) is slidably connected to the connecting frame (1).

4. The comprehensive blade strength testing device according to claim 3, wherein, It further includes a connecting pipe (18) and a spray pipe (19). The upper part of the connecting frame (1) is connected with the connecting pipe (18). A water pump is provided on the upper part of the connecting pipe (18). The lower part of the connecting pipe (18) is connected with the spray pipe (19).

5. The comprehensive blade strength testing device according to claim 4, characterized in that, The spray pipe (19) is provided with a plurality of spray nozzles.

6. The integrated blade strength testing device according to claim 5, wherein The connecting pipe (18) and the spray pipe (19) are both made of polypropylene material and have good corrosion resistance.

Images