KR20000007630A - Rice-straw cutter - Google Patents

Abstract

PURPOSE: A rice-straw cutter is provided to move a rice-straw to cutting knife with a moving chain automatically, control the cutting length of the rice-straw, and protect a worker on overload. CONSTITUTION: The rice-straw cutter has a cutter, a power transmitting part(7), a moving chain(3), a rotary part and a wheel(9). The cutter receives power from a power transmitting shaft(5) and cuts the rice-straw. The power transmitting part(7) has a motor, a pulley(72) for transmitting the torque of the motor and a speed reducer(71) having an input and an output shafts, and transmits power to the power transmitting shaft(5). The moving chains(3) provide the rice-straw and are installed in regular separation and an upper chain faces a lower chain thereof. The rotary part rotates the gears(44, 44') of the moving chain(3) by engaging a link with a rod. The wheel(9) mounted on the body frame(11) absorbs the vibration of the body frame(11).

Description

Rice straw cutter

The present invention relates to a straw straw cutter for cutting a straw straw processed into a quadrangular body, and more particularly, a movement of moving the straw straw by a link operation of the rotor by a cutting blade and a cam connected to the power transmission shaft to perform a horizontal movement. Chain is configured, and can be adjusted to the length of the straw to be cut as needed relates to a straw straw cutter equipped with a safety device.

In general, after harvesting rice, rice straw is left after threshing the grains. The rice straw is used as compost or as food for livestock, which is cut to a size suitable for livestock,

As a means for cutting rice straw, rice straw cutters for cutting rice straw by cutting the straw by reciprocating a separate cutting blade up, down, left, or right by using the power of a motor, which has been used in the past, have been used in recent years. It is becoming.

Thus, looking at the conventional rice straw cutter described above,

This is to transfer the rotational force of the motor to the cutting blade by a separate power transmission shaft to reciprocate the cutting blade up, down, left and right, and to manually cut the rice straw to be cut into the space generated during the reciprocating motion of the cutting blade. The straw was cut by pressing.

However, the conventional rice straw cutter as described above, when cutting the straw by the cutting blade for reciprocating movement, the length of the cut straw is to be adjusted by the operator's sense, so that the length of the cut straw is not constant to feed the livestock Along with the problem that palatability is deteriorated when using, the straw is also supplied manually, which causes troublesome work.

In particular, a solution such as damage due to overload of the cutting blade generated by the rigid impurities mixed in the rice straw to be cut together with the preventive measures against safety accidents such as damage to the body during rice straw cutting work remained the problem.

Therefore, the present invention was devised to solve the general problems of the aforementioned rice straw cutter,

An object of the present invention is to supply the straw straw to the cutting blade reciprocating by the operation of the mobile chain by the rotor, to be cut to a certain length, as well as to protect the cutting blade by the safety bolt in the event of overloading the cutting blade to improve durability. To provide a rice straw cutter.

As a specific means of the present invention for achieving the above object;

Cutting blades are integrally coupled to the guide frame that is subjected to the left and right reciprocating movement by receiving power by the power transmission shaft as cutting means of rice straw,

As a means for supplying power to the power transmission shaft, a power transmission unit consisting of a motor, a pulley for transmitting the rotational force of the motor, and a reducer having an input and an output shaft,

The mobile chain is installed at regular intervals so that the straw is supplied to the side of the cutting blade as a supply means of rice straw, facing up and down,

A rotor for rotating the operating gear of the mobile chain by coupling between the link and the operation as the operating means of the mobile chain;

The movement of the main body and the wheel as a shock absorbing means is achieved by having a straw cutter configured to be coupled to the main frame.

1 is a perspective view of a rice straw cutter according to the present invention

Figure 2 is a plan perspective configuration of rice straw cutter according to the present invention

Figure 3 is a straw straw cutter according to the present invention, the configuration showing the relationship between the link and the mobile chain

Figure 4 is a straw straw cutter according to the present invention, another embodiment of the wheel Figure 5 is a state of use of the straw straw cutter according to the present invention

<Explanation of symbols for major parts of drawing>

1: rice straw cutter 2,2 ': cutting blade 3,3': mobile chain

4: speaker 5: power transmission shaft 6: guide frame

7 power transmission unit 8: operating shaft 9: wheels

11: main frame 12: support frame 31,31 ': sprocket shaft

41: Roller 42: Jam 43: Link

44,44 ': Operating gear 45: Between operation 61: Roller

62: guide plate 63: coupling shaft 71: reducer

S: Sprocket A: Rice straw 111: Installation groove

112: spring 113: straw straw stand 114: cutting open

421: elastic spring 441: cog 451: cutting length adjustment hole

721: safety bolt 731: counterweight 921: elastic spring

C: Cam M: Motor T: Spring Engagement

711: combined holes

Hereinafter, a preferred embodiment of a straw straw cutter according to the present invention will be described in detail based on the accompanying drawings.

1 is a perspective view of a straw straw cutter according to the present invention, Figure 2 is a perspective plan view of a straw straw cutter according to the present invention, Figure 3 is a straw straw cutter according to the present invention, showing the relationship between the link and the mobile chain Figure 4 is a straw straw cutter according to the invention, Figure 4 is another embodiment of the wheel, Figure 5 is a view showing the state of use of the straw straw cutter according to the invention;

A cutting blade 2 coupled to the guide frame 6 while taking a rectangular plate-shaped body, mobile chains 3 and 3 'configured at regular intervals up and down, and links 43 of the mobile chain. The rotor 4 and the wheel 9 are coupled to the main body frame 11 by rotating the operating gears 44 and 44 'and the roller 41 is coupled to one side.

At this time, the main body frame 11 is configured to take a rectangular shape as a rectangular shape in which a predetermined space is formed as shown in Figure 1, the cutting blade (2) to one side of such a rectangular parallelepiped. Is combined,

This cutting blade (2) takes a square plate-like body as shown in Figure 1, the cutting edge of one side is sharply processed so that the cutting of the straw-shaped straw, guide frame coupled to the power transmission shaft (5) It is fixed to one side of (6).

In addition, the power transmission shaft (5) receives power from the operating shaft (8) of the power transmission portion (7) composed of one side of the main body frame 11 to transmit to the guide frame (6) which is connected to the shaft. It is

At this time, the power transmission unit 7 receives the rotational force of the motor (M) by the belt (V) connection by the pulley 72 and the counterweight 731 is coupled to the input shaft 73 to prevent pulsation As the output shaft 74 is composed of a reducer 71 is connected to the working shaft 8 to perform a rotational movement,

As shown in FIG. 2, the counterweight 731 has a pulley 72 coupled by the input shaft 73 and a bearing integrally by a plurality of safety bolts 721. The bolt 721 rotates the input shaft 73 of the reducer 71 by transmitting the rotational force transmitted from the motor M to the counterweight 731, and the safety bolt 721 is cut straw. Due to the foreign matter mixed in the stiffness due to the overload with the above-described transmission blade (2) will have a certain breaking strength to break,

The reducer 71 is composed of a plurality of large and small gears are configured to be engaged, but one side of the gear of the output shaft 74 is engaged by the gear to have the same rotation ratio as this output shaft and take the form shown in FIG. The shaft 75 having the cam C is configured.

(Description 75 is a camshaft.)

In addition, the other side of the power transmission shaft 5 is coupled to the guide frame 6, as shown in Figure 2, the guide frame 6 takes the shape of a square frame and the cutting blade 2 to one side The coupling shaft 63 is coupled to the inside thereof, and the shaft is coupled to the coupling shaft 65 and the power transmission shaft 5 such that the coupling shaft 63 is rotated into the main body frame 11.

In the upper and lower end surfaces of the guide frame 6, a plurality of rollers 61 are fixedly coupled to prevent friction with the main frame 11, and in the guide frame 6 configured as described above, a cutting blade ( On one side 2) is installed, the guide plate 62 which prevents the dispersion of the cut straw straw during the cutting operation of the straw, and pushes the remaining straw straw to the outlet is coupled to the guide frame (6).

At this time, as the main frame 11 in the position facing the cutting blade 2 is fixed to the separate cutting blade (2 ') having a cutting angle opposite to the cutting blade (2) during the cutting operation, rice straw It is desirable to allow this to be cut completely.

In addition, the rotor 4 takes the rod-shaped body as shown in Figs. 1 to 2, but the roller 41 is configured at one side thereof, and the locking jaw 42 is configured at the rear of the roller 41. The elastic spring 421 is inserted by being installed as one side coupling hole 711 of the reducer 71,

The rotor 4 is installed so that the roller 41 configured as one side is in contact with the cam C of the reduction gear 71 described above, and the linker 43 is coupled to the other side of the rotor 4. The link 43 is the operating gear 44 of the moving chain (3, 3 ') constituted diagonally with the reducer 71 by the operating force of the rotor (4) according to the rotation of the cam (C). 44 ') is configured by connecting a plurality of link bars by the pin (P) or between the operation (45) so that the linear motion to the rotary motion and the rotational motion back to the linear motion to transmit to.

At this time, the operator 45 for converting the linear movement of the rotor 4 to the rotational movement as shown in Figure 2 constitutes a plurality of cutting length adjusting holes 451, pins with the link 43 (P) Since the rotation angle of the operation 45 is changed as the connection position is changed, the rotation angle of the operation gears 44 and 44 'is also changed accordingly, so that the movement distance of the mobile chains 3 and 3' is changed. The cutting length of rice straw is controlled by increasing and decreasing.

In addition, the end of the link 43 is configured to be connected to the operating gear (44, 44 ') of the above-described mobile chain (3, 3'),

The actuating gears 44 and 44 'form a pair of gears that are tooth-coupled to form a common toothed tooth 441 which transmits rotational force in only one direction by a ratchet car as one side gear 44, and one side gear ( The other gear 44 ', which is tooth-coupled with the 44, is fixed to the lower sprocket shaft 31' of the mobile chains 3 and 3 ', which will be described later, and has a separate sprocket on the same axis of the other gear 44'. By constructing S), the operating force of the rotor 4 is transmitted to the upper sprocket shaft 31 by the chain connection.

At this time, the outer circumference of the knot 441 constitute the spring engaging piece (T) integrally, and the spring engaging ring 112 on the wall surface of the main body frame 11 spaced apart from the engaging piece (T) by a certain length. By constructing the spring (112) by the engaging piece (T) and the hook ring 112, the chaff 441 is operated by the link 43 a predetermined interval after the elasticity of the spring 112 It is desirable to return to the original position by the restoring force.

In addition, the mobile chain (3, 3 ') is the other side of the main body frame (11) taking the above-described rectangular body as shown in Figures 1 to 3, that is, the upper and lower sides in the longitudinal direction of the cutting edge (2) It is configured to face at intervals,

Such mobile chains 3 and 3 'are constructed at positions which are inclined at an angle of 80 ° with the cutting blades 2 and 2' described above, as shown in FIGS. It can also be cut to minimize the friction generated during cutting,

At this time, the upper mobile chain 3 has a shaft 31 having a pair of sprockets (S) to the upper side of the main body frame 11, the upper surface is open can be rotated to a predetermined height by the support spring (32). A shaft 31 'having a pair of sprockets coupled to the other side of the upper side is bearing-coupled to both sides of the main body frame, and a pair of chains are installed in the longitudinal direction of each sprocket configured as described above. (Drawing reference code 32: support spring.)

In addition, in the upper mobile chain 3, one side sprocket shaft 31 is installed to have an inclination angle in the direction in which the cutting blade 2 is configured, as shown in Figure 3, which is the size of the bundled straw and When the height of the curved surface is changed, it is configured to be changed up and down by the elasticity of the support spring (32).

In addition, the lower end moving chain 3 'is configured to form an installation groove 111 on the lower surface of the main body frame 11, which is hermetically sealed, and has the same shape as the upper end mobile chain 3 described above. At the bottom of is a pair of sprocket shafts 31 ″ bearing-coupled, which is configured to have a length that extends at least rather than the upper mobile chain 3 described above.

In addition, one side of the main body frame 11 in the longitudinal direction in which the upper and lower mobile chains 3 and 3 'is composed of a straw straw stand 113 extending to a predetermined length so that at least two straw beds are placed. In this case, the rice straw feeder 113 is formed to have the same installation angle as the cutting blade 2, such as the position of the above-mentioned mobile chain (3,3 '), the end of the straw straw feeder 113 The cutting open surface 114 is formed between the cutting blade 2 fixed to the guide frame 6 and the cutting blade 2 'fixed to the main frame 11.

Meanwhile, as shown in FIG. 4, the wheels 9 constitute the support frame 12 on the bottom surface of the main body frame 11, and the wheel shaft 91 in the four directions of the support frame 12. By being coupled to the body frame 11,

In this manner, the wheel shaft 91 to which the wheels 9 are coupled is configured to selectively install a buffer port 92 in which an elastic spring 921 as shown in FIG. 0 is installed.

Therefore, looking at the interaction by the operation of the straw straw cutter 1 according to the present invention having the configuration as described above;

First, the power transmission shaft 5 receives the rotational force of the motor M, which is transmitted to the working shaft 8 by the reducer 7, and the circular motion of the working shaft 8 as shown in FIG. By converting into a linear reciprocating motion, the guide frame 6 performs a reciprocating motion inside the body frame 11.

In addition, the rotor 4 performs a linear movement by a predetermined length each time the output shaft 74 is rotated by the cam C connected to the output shaft 74 of the reducer 7. The link 43 is configured to be connected to one side by the length of the linear motion of the) to rotate the one-side operation gear 44, the knot 441 is formed at a predetermined angle,

As the other operating gear 44 'engaged with the one side operation gear 44 also rotates, the lower movable chain 3' is moved, and the sprocket S coaxially formed with the other side gear 44 '. The upper mobile chain (3) chained by the rotation of the also moves by a certain length.

Therefore, as shown in FIG. 5, the rice straw feeder 113 is fixed to the single or multiple rice straws A in the form of being fitted to the upper and lower mobile chains 3 and 3 ′, and the motor 9. To rotate the cutting blade (2),

Each time the working shaft 8 performs a circular motion in a single cycle, that is, as the output shaft 74 rotates once, the moving chains 3 and 3 'move to the cutting open side 114 by a predetermined length, i.e., the rotor 4 It is possible to carry out continuous straw cutting work to a certain length by moving as much as the length of movement.

In addition, when the operator wants to change the cutting length of the straw (A) to be cut as described above, the pin length (P) coupling position of the cutting length adjustment hole 451 and the link 43 formed in the operation interval 45 By converting the cutting length to the desired size can be changed.

In addition, the wheel 9 is configured as a self-moving means has a function to cushion the vibration of the main body frame 11 generated during the cutting work of the straw (A), which is optionally the above-described buffer (92) At the same time to support the main body frame 11 by the elastic spring 921 is to be able to buffer the main body frame 11 by.

On the other hand, the safety bolt 721 for transmitting the rotational force of the motor (M) to the counterweight 731, as described above, when the cutting blade (2) is overloaded, is broken by its own breaking strength pulley 72 It is possible to protect the cutting blade (2) by blocking the rotational force of the motor (M) transmitted from.

As mentioned above, the straw straw cutter according to the present invention is able to meet the palatability of livestock by cutting the straw to be cut to a certain length by moving the mobile chain at regular intervals by the operation of the rotor, and freely moving by constructing the wheel. Has the effect of buffering the body frame when cutting straw

In addition, the length of the rice straw to be cut according to the configuration of the cutting length adjustment hole can be changed as needed, increasing the practicality as well as the cutting blade is protected by the action of the safety bolt to improve its durability and producers and users It can provide a very significant expectation effect.

Claims (6)

Cutting blades (2) integrally coupled to the guide frame (6) which receives power by the power transmission shaft (5) as a cutting means of rice straw (A) and performs left and right reciprocating motions, As a means for supplying power to the power transmission shaft (5), with a motor (M), a pulley (72) for transmitting the rotational force of the motor (M) and an reducer (71) having input and output shafts (73, 74). Power transmission unit 7 is configured, Mobile chains 3 and 3 'installed at regular intervals so as to supply rice straws A to the sides of the cutting blade 2 as a supply means of rice straws A, and to face each other. Rotating the operating gears 44 and 44 'of the mobile chains 3 and 3' by the coupling of the link 43 and the operation 45 as the operating means of the mobile chains 3 and 3 '. Dongjawa, Straw cutting machine, characterized in that configured as the wheel (9) as the movement and buffer means of the main body is coupled to the main frame (11). The cam (C) is configured on one side of the output shaft (74) of the reducer (71) by the power supply means of the mobile chains (3, 3 '), and the roller (1) on the side of the rotor (4). (41), the output shaft (74) is connected by connecting the end of the link (43) connected with the rotor (4) with the operating gears (44, 44 ') of the mobile chain (3, 3'). Straw cutter, characterized in that configured to be operated by a predetermined length as the operating gear (44,44 ') is rotated once. According to claim 1, wherein a plurality of cutting length adjusting holes 451 is composed of the operation interval 45 connected to the rotor 4, the coupling position of the cutting length adjusting holes 451 and the link 43 Straw cutter, characterized in that configured to adjust the moving length of the mobile chain (3,3 ') according to the conversion of The rice straw cutter according to claim 1, characterized in that the cushioning hole (92) in which the elastic spring (921) is installed is selectively coupled to the wheel shaft (91) to which the wheel (9) is coupled. The rice straw cutter according to claim 1, characterized in that the mobile chains (3, 3 '), which are the moving means of the rice straw (A), have an inclination angle of 80 ° from the side of the cutting blade (2). The counterweight (731) of the gearhead (71) coupled to the pulley (72) by the input shaft (73) of the speed reducer (71) and the output shaft (74) are actuated in connection with the power transmission shaft (5). The shaft (8) is connected, At this time, the pulley (72) is bearing-coupled on the input shaft (73), and the pulley (72) and the counterweight (731) is coupled by the safety bolt 721, when the overload occurs on the cutting blade (2) Straw cutter, characterized in that configured to block the transmission of power from the pulley 72 by the breakdown of the safety bolt (721).