KR20220168451A - Round-trip movable harvesting blade test device - Google Patents

Abstract

The present invention relates to a device for testing a round-trip movable harvesting blade used for cutting grain or grass, and more particularly, to a test device for a round-trip movable harvesting blade, which simulates, indoors, actual use conditions of harvesting blades used in a combine or a water weed remover and measures the durability of the harvesting blades by monitoring the cutting power, wear and deformation of the harvesting blades. The test device for a round-trip movable harvesting blade comprises a mounting part, a driving part, and a supply part.

Description

Reciprocating harvesting blade test device {Round-trip movable harvesting blade test device}

The present invention relates to a device for testing a reciprocating blade used for cutting grain or grass, and more particularly, to simulate the actual use conditions of a blade used in a combine or a weed removal line indoors, and to measure the cutting force of the blade, It relates to a reciprocating blade tester for measuring the durability of blades by monitoring wear and deformation.

The reaping machine is a device used to cut grain or grass. It is a rotary reaping machine that removes cut objects by rotating saw teeth or blades, and a reciprocating linear motion of one of a pair of saw blades to remove cut objects flowing between saw teeth and saw teeth. It can be classified as a reciprocating reaping machine.

The above reaper is used on land to mow grass or harvest grain, or is provided on the front side of a ship and used on water or underwater to remove aquatic plants.

The blade used in the above reaping machine is being tested under the conditions in which the reaping machine is used to measure the durability, but it is not easy to continuously input materials, so the blade test is performed while moving from place to place. There are problems that require a lot of time and effort to do.

The present invention has been made to solve the above problems, and an object of the present invention is to simulate a use environment in which a blade is used, to provide a cut test piece similar to a cut object cut in an actual use environment, and to automatically It is to provide a blade testing device that can test the durability by checking the change in cutting force due to wear and deformation of the blade even in a limited space including the supply function.

It is to provide a blade test device capable of testing the durability of blades used in an aquatic environment by providing a water tank for simulating an aquatic environment.

It is to provide a blade test device capable of precise durability test by reducing the occurrence of errors or defects during the test by identifying and supplying whether or not the cut specimen is cut through the blade.

The reciprocating blade test apparatus according to an embodiment of the present invention includes a mounting portion in which a blade for testing is mounted; A driving unit for driving the yechwinal; And a supply unit for supplying the object to be cut to the cutting space of the blade.

In addition, the blade testing device further includes a sensing unit for detecting whether or not the cut object is supplied to the cutting space and whether or not the cut object is cut.

In addition, the yechwinal testing device, when simulating the aquatic environment, the yechwinal is accommodated so that the yechwinal is submerged in water, and further includes an underwater environment simulating part filled with water.

In addition, the blade is fixed to the holder, the first blade including the first sawtooth, and the upper side of the first blade is disposed to allow reciprocating linear motion along the longitudinal direction, and the second sawtooth Including a, including a second blade, wherein the driving unit is connected to the second blade, and reciprocates and linearly moves the second blade such that the first sawtooth and the second sawtooth overlap or are separated from each other.

In addition, the supply unit, a winding roller on which the filament, which is a cut body, is wound; A guide roller for guiding the filament wound on the winding roller to the cutting space of the blade; and a motor for driving the guide roller.

In addition, the filament is characterized in that it has a strength corresponding to the strength of the grain or grass that the yechwinal is used for.

In addition, the test apparatus further includes a dispersing unit for distributing the cut objects cut through the blade so that one place is not stacked, and the dispersing unit disperses the cut objects cut by longitudinal movement. Distributed plate to do; and a transfer unit for linearly reciprocating the dispersion plate.

In addition, the guide roller includes a first roller and a second roller disposed adjacent to the first roller, and an object to be cut is disposed between the first roller and the second roller so that the first roller or the second roller The object to be cut is supplied downward by rotation of , and the rotation shaft of the motor is connected to the rotation shaft of the first roller so that the first roller rotates in conjunction with the rotation of the motor.

In addition, the sensing unit is made of an image sensor that determines whether or not the object to be cut is detected, and the detection height is arranged to correspond to the height of the end of the object to be cut when the object to be cut is placed in a waiting position for cutting. The feeder is controlled through the control unit so that the object to be cut is placed in the position waiting for cutting to adjust the input length of the object to be cut, and after driving the blade, if the object to be cut is continuously detected, the supply of the object to be cut through the supply unit is stopped , It is configured to re-drive the blade to cut the object to be cut, and if the object to be cut is not detected, the feeder is controlled through the control unit so that the object to be cut is placed in the waiting position for cutting through the supply unit Adjusting the input length of the object to be cut It is characterized by doing.

In addition, a cutting force measurement sensor for measuring the cutting force of the blade is provided between the driving unit and the second blade.

In addition, the drive unit predicts the degree of stacking of objects to be cut through the number of rotations of the motor of the supply unit, and when the motor reaches a certain number of rotations, moves the distribution plate through the moving unit to move the stacked objects to be cut in the longitudinal direction. It is characterized by dispersing.

The blade test apparatus of the present invention having the above configuration has an effect of testing the durability of the blade in a limited space.

As the objects to be cut are automatically supplied, the supply of the objects to be cut is easy, thereby making the durability test more convenient.

There is an effect of shortening the durability test time and improving the test accuracy by detecting and supplying whether or not the cut object is cut.

It is possible to simulate the underwater environment as well as the ground, so there is an effect that it is possible to perform durability tests of blades used for weed removal.

It has the effect of quickly dispersing the cut materials to prevent malfunctions that may occur due to stacking of the cutting materials.

1 is an overall perspective view of a reciprocating blade test apparatus according to an embodiment of the present invention
Figure 2 is a plan view of a reciprocating blade test apparatus according to an embodiment of the present invention
3 is a front view of a reciprocating blade test apparatus according to an embodiment of the present invention
Figure 4 is a side view showing the supply process of the cut body
Figure 5 is a schematic plan view showing the supply process of the object to be cut
6 to 8 are schematic plan views showing the cutting process of the blade
9 and 10 are front schematic views showing the cutting process of the blade
11 is a schematic plan view showing a process of dispersing the cut object to be cut

Hereinafter, an embodiment of the present invention as described above will be described in detail with reference to the drawings.

1 shows an overall perspective view of a reciprocating blade testing device 1000 according to an embodiment of the present invention, and FIG. 2 shows a plan view of the reciprocating blade testing device 1000 according to an embodiment of the present invention. has been 3 is a front view of a reciprocating blade testing apparatus 1000 according to an embodiment of the present invention.

As shown, the test apparatus 1000 includes a holder 100 on which the blade C is mounted, a driving unit 200 for driving the blade C, and an object F to be cut on the blade C. A supply unit 300 for supplying, a sensing unit 400 (refer to FIG. 9) for detecting whether or not the cut object F is supplied and cut, a dispersing unit 500 for dispersing the cut object CF, It is configured to include a support portion 600 to which components are fixed and an aquatic environment simulating portion 700 in which a blade (C) is accommodated for simulating an aquatic environment.

The blade C includes a fixed first blade C10 (see FIG. 7) and a second blade C20 disposed above the first blade C10 and reciprocally movable along the longitudinal direction (C20, FIG. 7). Reference), and the holder 100 is disposed along the longitudinal direction at the center of the test device 1000 to mount the blade C so that the blade C is disposed at a certain height upward from the ground.

The driving unit 200 is connected to the second blade C20 and is configured to linearly reciprocate the second blade C20, and the driving unit 200 is driven by, for example, pneumatic or hydraulic pressure, and a reciprocating cylinder and piston. can be In addition, the driving unit 200 may further include an adjusting unit capable of adjusting air pressure or hydraulic pressure supplied to the cylinder so as to adjust the speed of the reciprocating motion of the piston.

The supply unit 300 is a configuration for supplying the cutting object (F) to the cutting blade (C), and the cutting object (F) is a filament having strength corresponding to the strength of the grain or grass that the cutting blade (C) actually needs to be cut. The supply unit 300 may include a winding roller (310, see FIG. 4) on which the filament is wound, and a guide roller (320, see FIG. 4) for guiding the filament wound on the winding roller 310 to the blade (C). and a motor 330 (see FIG. 4) for driving the guide roller 320.

The sensor 400 determines whether the object to be cut (F) is accurately loaded in a position where it can be cut through the blade (C) and whether or not the object (F) is cut through the blade (C). For example, an image sensor may be a camera. That is, the motor 300 is driven through the control unit until the object to be cut (F) is loaded at the cutting standby position, and when the object to be cut (F) is not cut, that is, even after the cutting blade (C) is operated, the object (F) When is detected at the cutting standby position, the cutting blade (C) is re-driven through the drive unit 200 in a state where the motor is stopped, and the cut object (F) is cut so that the cut object (F) is not detected at the cutting standby position. In this case, it is configured to resupply the cut body (F) to the blade (C).

In addition, the test apparatus 1000 according to an embodiment of the present invention, although not shown on the drawing, may be configured to further include a monitoring means capable of monitoring wear or deformation of the blade (C). The monitoring means may be a camera configured to monitor the shape of the blade (C) disposed adjacent to the blade (C) for cutting the object (F) to be cut. Therefore, the control unit stores the shape image of the blade (C) before use, and then obtains the shape of the blade (C) through the monitoring means at regular intervals and compares them with each other to monitor wear or deformation of the blade (C) It can be.

The dispersion unit 500 is cut to prevent interruption of the cutting test by interfering with the driving of the blade (C) as the cut object (CF, see FIG. 10) cut through the blade (C) is intensively stacked in one place. It is provided to disperse the object to be cut (CF). The distributing unit 500 may include a distributing plate 510 (see FIG. 11 ) for dispersing the cut object CF and a conveying unit 520 for linearly reciprocating the dispersing plate 510 . The transfer unit 520 may be any configuration as long as it is configured to reciprocate and linearly move the dispersion plate 510, and for example, a cylinder, a conveyor belt, a motor, and the like may be applied.

The support part 600 is a configuration for fixing each component of the above-described test apparatus 1000, and is largely a horizontal support frame 601 and a plurality of vertical support frames 602 extending downward from the horizontal support frame 601. ) can be configured. In addition, the support part 600 includes a stage 610 on which the mounting part 100 is seated, a driving part supporting frame 620 on which the driving part 200 is fixed, and a fixing part supporting frame 630 on which the supply part 300 is fixed. can include

The aquatic environment simulating unit 700 is composed of a water tank in which water is accommodated when simulating the aquatic environment, and the blade (C) is configured to be submerged in water to simulate the underwater environment during the test of the blade (C). . Therefore, the underwater environment simulating unit 700 of the test apparatus 1000 is configured to accommodate the blade C, the holder 100, and the dispersion plate 510.

In FIG. 4, a side view of the supply unit 300 is shown, and in FIG. 5, a schematic plan view of the guide roller 310 and the motor 320 is shown.

As shown, the supply unit 300 is for supplying the winding roller 310 on which the filament, which is the object F to be cut, is wound, and the object F wound around the winding roller 310 to the blade C. It includes a guide roller 320 and a motor 330 for driving the guide roller 320 . The cut object F wound around the winding roller 310 may be changed in direction through a pulley 350 provided on the upper horizontal frame 610 of the support part 600 and supplied to the guide roller 320. The winding roller 310 has a large volume and weight, and may be spaced apart from the outside of the stage 610 so as to be easily replaced when the cut object F is exhausted.

The guide roller 320 includes a first roller 321 and a second roller 322 disposed adjacent to the first roller 321, and between the first roller 321 and the second roller 322 The object to be cut (F) is disposed on the first roller 321 or the second roller 322 is configured to be supplied downward by rotation. Therefore, the rotation shaft 331 of the motor 330 may be connected to the rotation shaft 321a of the first roller 321 so that the first roller 321 rotates in conjunction with the rotation of the motor 330. The guide roller 320 and the motor 330 may be fixed through the supply unit support frame 630 so as to be positioned above the blade C and spaced apart from the ground at a certain distance upward.

6 to 8 are schematic plane views showing the cutting process of the blade through the testing device 1000 according to an embodiment of the present invention.

As shown in FIG. 6 , in a state in which the first teeth C11 of the first blade C10 and the second teeth C21 of the second blade C20 are spaced apart from each other, the cut object F is placed in the cutting space CA. ) is put in. Although the object to be cut (F) is shown as being put into only one of the plurality of cutting spaces (CA), a plurality of pieces may be put into each of the plurality of spaces, or may be put into only the other one of the plurality of cutting spaces (CA). there is.

Next, as shown in FIG. 7, the second blade C20 is moved in the longitudinal direction so that the distance between the first tooth C11 and the second tooth C21 is gradually reduced, and finally, as shown in FIG. In the process of overlapping the first sawtooth C11 and the second sawtooth C21, the object to be cut F is cut.

9 and 10, front schematic diagrams showing the cutting process of the blade through the testing device 1000 according to an embodiment of the present invention are shown.

As shown, the object to be cut (F) is supplied to the cutting blade (C) through a pair of guide rollers 320 of the supply unit 300, and one of the guide rollers 320 is rotated by the motor 330. By rotating, the object to be cut (F) is supplied to the cutting space (CA) of the blade (C). At this time, a guide pipe 340 may be provided on the lower side of the guide roller 310, into which the object to be cut (F) is inserted so that the object (F) is supplied to the blade (C) in a straight line. The guide pipe 340 may be formed in the form of a cylindrical tube having an inner diameter greater than the thickness of the object to be cut (F).

In addition, at the lower end of the blade (C), a sensing unit 400 made of an image sensor capable of detecting the end of the object (F) is provided. Therefore, the sensing unit 400 controls the supply unit 300 through the control unit so that the object to be cut (F) is placed at the position waiting for cutting to adjust the input length of the object (F) to be cut. Therefore, the detection unit 400 may be disposed such that the detection height corresponds to the height of the end when the injection of the object F is completed.

On the other hand, the second blade C20 reciprocates in the longitudinal direction through the cylinder 210 of the drive unit 200. On the upper side of the second blade C20, the second blade C20 and the piston of the cylinder 210 ( 211) is provided with a bracket 220 connecting them. At this time, between the bracket 220 and the piston 211, a cutting force measuring sensor 250 for measuring the cutting force of the blade C is provided. The cutting force measurement sensor 250 is composed of a load cell and is configured to measure the force applied when the second blade C20 moves to cut the object F to be cut.

Referring to FIG. 8 , the object to be cut CF is moved downward by the movement of the second blade C20, and whether or not the object F is cut is sensed through the sensing unit 400. If the object to be cut (F) is continuously detected by the sensor 400, it is detected that the object to be cut is not cut, and the supply of the object to be cut (F) through the supply unit 300 is stopped, and the cutting blade (C) is re-driven to detect the object to be cut ( F) is configured to be cut. When it is detected that it has been cut, the object to be cut (F) is loaded through the supply unit 200 in the state of returning to the original position of the second blade C20 until the object to be cut F is detected through the detection unit 400. .

9 is a schematic plan view showing a process of dispersing the cut object CF. The test apparatus 1000 has a dispersing unit 500 to disperse (A2) as the cut objects (CF) cut through the blade (C) are intensively stacked (A1) in one place, and the dispersing unit ( 500) includes a plate-shaped distribution plate 510 disposed in the vertical direction adjacent to the place where the cut objects F are stacked, and a moving part 520 for reciprocating the distribution plate 510 in the longitudinal direction. to provide

The control unit can estimate the degree of stacking of the object to be cut (F) through the number of rotations of the motor 330 of the supply unit 300, and when the motor 330 reaches a certain number of rotations, the distribution plate through the moving unit 520 It is configured to disperse (A2) the stacked object to be cut (A1) in the longitudinal direction by moving the (510).

Technical ideas should not be interpreted as being limited to the above-described embodiments of the present invention. Not only the scope of application is diverse, but also various modifications and implementations are possible at the level of those skilled in the art without departing from the gist of the present invention claimed in the claims. Therefore, such improvements and changes fall within the protection scope of the present invention as long as they are obvious to those skilled in the art.

1000: Reciprocating Blade Test Device
100: mounting part
200: driving unit
210: cylinder 211: piston
220: bracket 250: cutting force detection sensor
300: supply unit
310: winding roller
320: guide roller 321: first guide roller
322: second guide roller
330: motor
340: guide pipe
350: pulley
400: sensing unit
500: dispersion unit
510: dispersion plate
520: moving unit
600: frame part
610: upper horizontal frame
700: underwater environment simulation department
C: blade
C10: 1st blade C11: 1st tooth
C20: 2nd blade C21: 2nd tooth
CA: cutting space
F: cut group
CF: cut off body
A1: laminated cut body
A2: dispersed target group

Claims (11)

A mounting portion in which a blade for testing is mounted;
A driving unit for driving the yechwinal; and
A supply unit for supplying a target object to the cutting space of the blade;
Containing, blade test apparatus.
According to claim 1,
The blade test device,
a sensing unit for detecting whether or not the object to be cut is supplied to the cutting space and whether or not the object to be cut is cut;
Further comprising a blade test apparatus.
According to claim 1,
The blade test device,
When simulating an aquatic environment, the yechwinal is accommodated so that the yechwinal is submerged in water, and an underwater environment simulating unit filled with water;
Further comprising a blade test apparatus.
According to claim 1,
The yechwi day,
A first blade fixed to the holding part and including a first sawtooth, and a second blade disposed above the first blade to enable reciprocating linear motion along the longitudinal direction and including a second sawtooth. including the day
the driving unit,
Is connected to the second blade to reciprocate linear motion of the second blade so that the first sawtooth and the second sawtooth overlap or are spaced apart.
According to claim 4,
the supply unit,
A winding roller on which the filament, which is a cut body, is wound;
A guide roller for guiding the filament wound on the winding roller to the cutting space of the blade; and
Consisting of a motor for driving the guide roller, the blade test apparatus.
According to claim 5,
The filament,
Characterized in that it has a strength corresponding to the strength of the grain or grass that the blade is used for, the blade test device.
According to claim 1,
The test device,
Further comprising a dispersion unit for distributing the cut objects cut through the blade so that one place is not stacked,
The dispersing unit,
a dispersion plate for distributing the cut objects cut by longitudinal movement; and
Transfer unit for reciprocating linear motion of the dispersion plate
Containing, blade test apparatus.
According to claim 5,
The guide roller,
A first roller and a second roller disposed adjacent to the first roller,
Disposing the object to be cut between the first roller and the second roller and supplying the object to be cut downward by rotation of the first roller or the second roller;
The rotation shaft of the first roller is connected to the rotation shaft of the motor so that the first roller rotates in conjunction with the rotation of the motor.
According to claim 2,
the sensor,
It consists of an image sensor that determines whether or not to detect an object to be cut,
The detection height is arranged to correspond to the height of the end of the object to be cut when the object to be cut is placed in the waiting position for cutting,
Before driving the cutting blade, the input length of the object to be cut is adjusted by controlling the supply unit through the control unit so that the object to be cut is placed in a position waiting for cutting,
After driving the blade, if the object to be cut is continuously detected, the supply of the object to be cut through the supply unit is stopped, and the object to be cut is cut by re-driving the blade,
When the object to be cut is not sensed, the cutting blade test apparatus is characterized in that the input length of the object to be cut is adjusted by controlling the supply unit through the control unit so that the object to be cut is disposed at the cutting standby position through the supply unit.
According to claim 4,
Between the drive unit and the second blade,
A cutting blade testing device provided with a cutting force measurement sensor for measuring the cutting force of the blade.
According to claim 7,
the driving unit,
Characterized in that the stacked objects to be cut are dispersed in the longitudinal direction by moving the dispersion plate through the moving unit when the motor reaches a certain number of revolutions by predicting the degree of lamination of the object to be cut through the number of rotations of the motor of the supply unit , blade test device.

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