KR20050013655A - Cutting Machine an Roller - Google Patents

Abstract

PURPOSE: A roller for a mower is provided to do weeding by transmitting driving power from an engine to rotate a cutter edge attached to a rotary shaft of a driving device. CONSTITUTION: The roller includes a roller frame coupled to a rotary shaft(200) of a driving device, inner and outer ring portions for supporting a center ring, a hinge for folding iron plates of the inner and outer ring portions, and a spring for supporting the center ring. A cutter edge(110) is coupled to the rotary shaft by a nut. The roller is attached to a shaft(101). The shaft is inserted into a frictional member(103). The shaft is provided with a stop ring(K). A first rotary ring(150) is provided to an outer portion of the frictional member.

Description

Cutting Machine {Cutting Machine an Roller}

According to the present invention, the nut of the rotary shaft which binds the cutter blade to the rotary shaft of the drive unit (gear box, hereinafter drive unit) of the portable mower (hereinafter, referred to as the mower) is configured as a shaft shaft so that a roller can be attached, or a roller is attached and driven. As for the roller, which has been made, some functions are disclosed in JP 10-2003-0078830, etc., and according to the unpublished publication 10-2004-0067300 filed by the applicant's company, the rotating shaft 200 of the drive unit is 2 It is divided into two shafts and divided into cutter blade attachment shaft and roller attachment shaft to attach the roller, and to provide a functionalized roller to measure the subjective working distance and height on the rotating shaft of the driving part of the general portable mowing machine.

In general, mowing machines are portable cutting machines for cutting weeds and lawns such as farms, fields, orchards, or oxygen or gardens, and weeding is carried out in places where weeds and grasses are grown. Since there is no auxiliary device that subjectively measures the height and height, the cutter blade attached to the rotating shaft of the drive part approaches the ground by roughly guessing, so that the cutter blade hits the ground despite the carelessness of the operator. In addition, there is a lot of technical difficulties for the unskilled person, such as beginners, to mowing the work, to compensate for the disadvantages.

The roller for mowing machine of the present invention attaches rollers freely rotatable before, after, and left and right to the rotating shaft of the drive unit which receives the power generated by the engine of the mowing machine, so that the subjective working distance and height can be easily measured, and the work for a long time It is to provide a roller for a mowing device having a remarkable degree of fatigue, and can be used safely by skilled workers, unskilled people, women and senior citizens.

1 is a structural diagram of the roller of the embodiment 1;

Figure 2 roller anatomy of the embodiment.

3 is a schematic view of completion of the roller of the embodiment.

4 Fig. 2 is a structural schematic diagram of the roller.

Structure diagram of the drive shaft of the 5 degree mowing machine.

6 is a schematic view of completion of the roller in the embodiment.

7 is a structural diagram of a roller shaft nut of the embodiment.

8 Fig. 2 shows the inner and outer structure of the roller ball.

9 Fig. 3 is a schematic view of the completed roller structure.

Figure 10 is a schematic view of the completion of the roller of the embodiment.

11 Fig. 5 is a schematic diagram showing the completion of the roller.

See also 12 degrees.

BRIEF DESCRIPTION OF THE DRAWINGS

B center ball shaft bolt, C wrench tool insertion groove, K stop ring key and key seat, Y washer (washer face part) 10 roller frame, 20 inner ball (inner ball support steel plate), 20-1 inner ball binding hole, 30 outer ball (outer ball) Supporting steel plate), 40 elastic coil springs, 50 center ball (rotary wheel body), 60 folding, 70 bolt, 70-1 nut, 100 cutter blade binding nut, 101 roller shaft nut (roller shaft shaft and cutter blade binding Nut), 101-1 Roller Shaft Nut Pitch, 102 Fastening Part (Hex Nut Head), 102A Fastening Part, 102-1 Rubber Stopper, Wrench Tool Insertion Cap Cover, 102-5 Supporting Part 103 Roll type bearing, 103-2 bearing seating groove, 110 cutter blade, 110-1 drive part Cutter blade binding support washer part, 150 roller ball (half moon wheel), 200 rotation axis, 200-1 rotation shaft bolt pitch part, drive part (gear box)

In the structure of the mower roller (wheel), as shown in Fig. 1, the outer frame 30 and the inner ball 20, which are easily assembled into the frame 10 of the roller, and the detachable and detachable portions of the cutter blade 110, and the inner, Fold 60 and binding holes 20-1 and 30-1 provided at the left and right ends of the outer ball, and a central ball 50 provided to rest in the center of the inner and outer balls, and an elastic spring to support the center ball. Comprising (40) and the coupling bolt 70 and the nut (70-1) is completed (Fig. 3), or the reference numeral 100 of Fig. 1 is a fastening nut 100 of the cutter blade 110 to be coupled to the rotary shaft 200 7 and the fastening nut as a shaft shaft to which a roller can be attached as shown in FIG. 7, and the fastening nut 101-1 function and a roller 101 to which a roller can be attached are provided. It is configured to attach a mower roller.

The following describes various types of embodiments with reference to the accompanying drawings.

Figure 1 is an open and close assembly type divided into the inner and outer balls (20, 30) and the center ball (50) of the roller, the bolt pitch (Fig. 5) of the roller shaft 10 of the drive unit as shown in the drawing 1 configuration. 200-1) is inserted into the bent nut 100 to be coupled to the fastening nut 100, and composed of the outer ball 30 configured to support the center ball 50 from the outside, and the inner ball 20 to support the inside and , One side of the inner and outer ends of the ball is provided with a folding device 60, in combination with the frame 10 to facilitate opening and closing as shown in Figure 2, one side is to open the binding holes (20-1, 30-1) The center ball 50 is inserted between the outer ball 30 and the inner ball 20 to hold the center, and bend the ends by drilling the central portion of the inner and outer balls 30 and 20 so as to support friction. In addition, before the inner and outer balls 20.30 are coupled to the coupling nut 70-1 of the frame 10, an elastic spring 40 is inserted into the bent portion of the frame 10 to support the center ball 50. It is completed by fastening with a bolt 70 to the nut part 70-1 of the frame 10 through the binding holes 20-1 and 30-1 formed at the ends of the inner and outer balls 20 and 30 steel plates.

Figure 2 is an anatomical view of Figure 1, the mowing roller has a structure that can only be attached to the rotating shaft 200 of the drive unit. As described above, but once again, as shown in a number of patent publications, a method of binding the roller to the rotation shaft 200 of the driving unit is not easy, and there are many techniques for malformation or inefficiency. The roller having the same configuration may be coupled by inserting the roller frame 10 into the bolt pitch portion (FIG. 5 200-1) of the rotating shaft 200 which binds the cutter blade 110 and tightening with a nut (FIG. 1 100). . To this end, the inner and outer ball parts of the steel plate type as shown in Figure 20.30 in a prefabricated opening and closing structure to be combined with an additional device to facilitate replacement of the cutter blade (110).

Figure 3 is a complete schematic diagram of a single-acting roller, the frame 10 and the center ball 50 of the roller, the inner ball 20 and the outer ball 30 to hold the center ball and the folding ball 60 and the center ball ( 50 is a structure in which the elastic spring 40 that absorbs and supports a shock generated by a small collision with the ground is seated in the groove bent portion of the frame 10. The combination of the above structures is completed by fastening with a bolt 70. will be.

FIG. 4 is a schematic view showing the completion of the second embodiment, which comprises a nut 100 for fastening the cutter blade 110 to the rotary shaft 200 of the mower drive unit with a roller shaft nut 101 as shown in FIG. As shown in FIG. 7, the upper end is widened to the T-shaped round bar to form a washer (Y) in contact with the cutter blade 110, and the bolt pitch part (FIGS. 5 and 200-1) of the rotating shaft 200 is engaged therein. After the nut pitch part (Fig. 6, 101-1) is opened, two bearing 103 insertion structures for coupling the roller ball 150 of Fig. 8 are opened to the outside, and then the bearing 103 is inserted. The stop ring key K is provided between the bearing shafts 103-1 so that the bearing 103 does not flow, and the lower portion of the shaft 101 is thinner and longer than the upper portion, and the head and the head of the nut and nut The same fastening part 102 is established. When the roller shaft nut 101 thus completed is inserted into the bearing seating groove 103-2 of the roller ball 150 provided as shown in FIG. 8, the roller shaft nut 101 is engaged and completed as shown in FIG.

6 is coupled to Figure 5, the bolt pitch portion 200-1 of the rotary shaft 200 and the nut pitch portion 101-1 of the roller shaft nut 101 is engaged, the roller ball (150) When the tool is inserted into the wrench tool insertion groove (C) opened in the lower portion and tightly tightens the fastening part 102, the cutter blade 110 and the shaft (FIG. 6) integrated with the roller are tightly bound. Then, insert the rubber stopper 102-1 into the wrench tool insertion groove C, and insert it until the outer surface of the stopper is the same as the outer surface of the roller ball 150, as shown in the completeness of the second embodiment (Fig. 4). It is composed.

9 is similar to the sixth embodiment, but the fastening portion 102 of the roller shaft nut 101 is provided on the side of the washer (Y) surface at the top of the drawing. Auxiliary fastening part 102-5 is opened on the roller ball 150 side and the roller shaft nut 101 side so that it can be loosely tightened with the rotating shaft 200 by using an auxiliary device such as a screwdriver. Silver is bound to the fastening portion 102 of the upper using a tool. In addition, the roller shaft nut 101 is provided with an auxiliary center ball 50 wheel body of the wheel body of the roller ball 150 at the lower end of the place where the roller shaft nut 101 is shorter than the sixth degree, and the bearing 103 and the stop linking key are provided. Before inserting the completed roller shaft nut 101 by inserting the K into the inner bearing seating groove (8 degrees, 103-2) of the roller ball 150, the center ball 50 is first roller ball 150. Inserted into the inside, and inserted into an elastic spring, such as 40, then the roller shaft nut 101 and the roller ball 150 is combined to be inserted and completed. The roller (FIG. 9) completed in the above structure is fastened to the bolt pitch part 200-1 of the driving unit rotating shaft 200.

10 shows a shortening of the roller shaft nut 101 as another fourth embodiment. The fastening part 102 is provided on the side of the upper washer (Y) surface part, or the fastening part 102A is provided on the lower side of the shaft inserted into the bent roller frame 10, and the inner side of the center of the roller shaft nut 101 is provided. The nut pitch 101-1, and the bearing 103 insertion shaft and the stop ring key K for preventing the escape of the bearing 103 on the outer side of the shaft, and then the inner and outer balls 20 and 30. In the state where the steel sheet is opened and closed, the roller shaft nut 101 is introduced into the frame 10, and the bearing 103 is inserted into the roller shaft nut 101 to insert the roller frame 10 and the roller shaft nut 101. After joining, insert the washer (Y) and insert the stop linking key (K) to bind. The semi-assembled roller shaft nut 101 is fastened to the bolt pitch portion 200-1 of the drive shaft 200 by tightening the fastening portion 102A with a wrench tool, and then the inner ball 20 steel sheet first. Fold and place the center ball 50 on it, and then fold the outer ball 30 steel plate to stabilize, then bind to the nut 70-1 with the fastening bolt 70, or finish the roller shaft in the semi-assembled state The outer balls 20 and 30 and the center ball 50 are coupled and fastened first, and then the completed roller (Fig. 10) using the fastening part 102 of the upper end of the bolt pitch portion 200-1 of the rotating shaft. It is completed by fastening with.

FIG. 11 is a fifth embodiment including the inner and outer parts of the roller ball 150 as shown in FIG. 11, and has a short roller shaft nut 101 having a structure in which one bearing 103 is inserted. Insert the 103 into the roller shaft nut 101 to insert the completed roller shaft nut 101 into the bearing insertion groove formed in the roller ball 150, the separation of the bearing 103 and the roller ball 150 Alternatively, the anti-escape stop ring key (K) is fastened and then engaged, and then the bolt pitch (200-1) of the drive shaft rotation shaft (200) is fastened with the nut pitch (101-1) of the roller shaft nut (101) roller ball (150) When the fastening portion 102 inside is tightly tightened with a wrench tool, it is firmly engaged with the rotation shaft 200 of the driving portion. Then, a bolt is inserted into the shaft bolt passage formed at the center of the center ball 50 to insert a nut and a nut. When fastened, the roller having the structure as shown in FIG. 11 is completed.

Duplicate description of the mowing roller of the present invention has been omitted and briefly described, and various types of embodiments have been described in detail in the drawings, but the shaft is combined with the roller shaft nut 101 as in the second and third embodiments. In the structure in which the integrated bearing 103 is inserted into and coupled to the bearing seating groove 103-2 of the roller ball 150, the roller ball 150 does not show an escape preventing stop link key insertion structure. It may be provided if necessary, and the sixth embodiment combining only the advantages of the first embodiment and the embodiments of 2, 3, 4, and 5 may also be added. As shown in FIG. Only the roller may be attached, and the material of the roller is preferably made of high-strength and lightweight materials such as PP and PE. However, the embodiment of the roller shaft nut 101, which is the core of the present invention, is carried out within the deformation range and within the claims. Various modifications are within the scope of the present invention. It is intended to be.

Looking at the operation of the anti-roll roller completed in the above structure, when the preparation of the mowing operation is completed with the starting mowing machine on the back, when the roller attached to the drive shaft 200 is in close contact with the ground or raise the engine rotation in a state close to the cutter blade ( 110) When the weeding operation is proceeding while the part rotates at high speed, if you push the working rod of the mower to the left, right or front and rear to shake it, the mowing operation proceeds smoothly and stably by driving the roller, so the mowing distance and height are increased. It can be subjectively judged to avoid accidental collision with the ground or foreign matters, and it is not inconvenient even if the work is carried out with a small roller attached to a lightweight material at all times. Reduces the fatigue from the weight of the shaft and the vibration of the rotating shaft, and provides a mowing roller that can be mowed more easily by any skilled or unskilled person. To.

The effect caused by providing the mowing roller of the present invention is that the driving unit rotation axis 200 of the mowing machine, the roller does not rotate synchronously, the working distance and height are subjectively estimated, the number of collisions with the ground generated accidentally reduced safety accident It is to provide a mowing machine that can easily mow the elderly, skilled, and inexperienced workers by significantly reducing work fatigue.

Claims (4)

In the known mowing roller, the roller frame 10, which is bent to be coupled to the rotating shaft 200 of the drive unit; and the inner and outer ball portions for supporting the center wheel body 50 and the center wheel body 50 from inside and outside (20.30) The steel plate and the inner and outer ball portion steel plate is configured to be opened and closed by the folding device 60, the assembly type detachment and the unit configuration coupled to the fastening member, and the elastic spring (40) for supporting the center wheel body (50) ) Rollers (wheels), A shaft 101 for attaching the rollers (Figs. 6, 9, 10, and 11) is provided with a nut (Figs. 1, 100) for fastening the cutter blade 110 to the rotary shaft 200 of the driving unit as shown in Fig. 7. And a roller shaft nut (Fig. 7 or 101) in parallel with the fastening nut 101-1, the friction member 103 inserted on the shaft 101, the flow of the inserted friction member, and A stop link key K and a key seat K for preventing the escape and detachment of the front wheel body 150 are provided. A roller (FIG. 6) provided with only the first rotating wheel body 150 outside the friction member 103 inserted into the shaft 101, and introduced into the first rotating wheel body 150 or coupled to the inside of the first rotating wheel body 150 (FIG. 9). A roller for mowing machine, characterized in that it is made of a second rotating wheel body 50 (figure 11) and is completed by combining members (figure 6, 9, 10, 11). The method of claim 1, wherein the roller shaft nut (101-1 of Fig. 7, 9, 10, 11) is a T-shape, fastening with the bolt pitch (Fig. 5, 200-1) of the drive shaft rotation shaft 200 in the center of the shaft The nut pitch portion 101-1 is provided, and the bearing 103 is inserted into the outside of the shaft, and the stop ring key and the key seat K are provided to prevent the flow and escape of the inserted bearing. The roller shaft nut (Fig. 7) is provided long enough not to protrude when the roller ball 150 is engaged with the wheel body, and the fastening part (Fig. 6, 102) is provided at the lower end angled like the head of the bolt and nut. The roller is assembled by inserting the friction member 103 and the key K in the roller shaft nut 101 into the bearing insertion groove 103-2 provided in the roller ball (Fig. 8 150). 6, the wrench tool is inserted into the tool insertion groove opened as shown by the symbol C when the drive shaft is tightened to the rotation shaft 200 and the bolt pitch portion 200-1 (Fig. 6) and the cutter blade 110. To combine Roller for mowing machine, characterized in that the fastening portion 102 structure and the stopper 102-1 is fastened and combined. And a casing structure in which a bearing is inserted into the first rotating wheel body (150), and a device for preventing the escape of the inserted bearing and the roller shaft nut (101). The second rotary wheel body 50 is first introduced into the first rotary wheel body 150, and an elastic spring for absorbing the impact on the ground and the smooth rotation of the upper or lower portion and the upper and lower portions of the second rotary wheel body 150 is Inserted into the member, the roller shaft nut 101 is finished. Application of the inner balls (FIGS. 1 and 20 in FIG. 10) is optional, and the fastening portion 102 of the roller shaft nut 101 is provided only at the top (FIG. 9) or only at the bottom (FIGS. 5 and 11). It includes one, and the upper and lower ends, including the fastening portion 102 head having two, four, or six angles, the second rotary wheel body 50 inside the first rotary wheel body 150 Roller for the mower, characterized in that it is composed of an insertion structure of a ball pen shim type, a coupling structure (FIG. 11) and an input structure (FIG. 9), combined with a member, According to claim 1, characterized in that the roller shaft nut (gear box) is provided on the rotary shaft 200 of the drive unit (Fig. 12, 101) and the roller is coupled to the roller shaft nut 101 by a fastening member. Mowing rollers.