KR200317145Y1 - grinding attachment cutting edge for combine - Google Patents

Abstract

The present invention relates to a grinding device for grinding the cutting blades of combines used for harvesting operations such as rice and barley, and prevents damage to the motor due to vibration of the grinding wheel and deformed wear of the grinding wheel, and improves the grinding efficiency. The right and left feed of a grindstone relates to a mowing blade grinding device for a combine.

The present invention is a grinding wheel attached to the lower end of the motor shaft, the motor is moved up and down along a pair of guide rods, rollers are driven by the rollers to move left and right, the motor is moved back and forth by the handle, and the electromagnet fixing plate is installed in the polishing tank A grinding apparatus comprising: a base plate on which a roller moving on a rail is mounted on a bottom surface thereof; Transfer means for moving the base plate left and right; A pair of guide rods attached to the base plate and mounted on a top end thereof; A handle on which a screw shaft is rotatably mounted on the holder; A transfer member having a guide block attached to the guide rod and moving, and having a transfer nut coupled to the screw shaft; A motor attached to the transfer member and equipped with a pulley on the motor shaft; A spindle head attached to the transfer member and having a spindle shaft mounted thereon; It is characterized by consisting of a grinding wheel attached to the lower end of the spindle shaft.

Description

Grinding attachment cutting edge for combine

The present invention relates to a grinding device for grinding the cutting blades of combines used for harvesting operations such as rice and barley, in detail, by reducing the vibration of the grinding wheel rotating at high speed by the drive of the motor and by increasing the durability and bearing capacity with a simple structure This invention relates to a cutting blade grinding device for combines, which prevents deformed wear of the grinding wheel and damage to the motor and improves the grinding efficiency, while reliably feeding the grinding wheel.

Generally, combine is a machine used for harvesting grains such as rice and barley in farmhouses. It is a machine that automatically performs a series of processes from harvesting, threshing, sorting and packing rice and barley. It can be said that it plays the most complex role among the agricultural machines that are widely used and used.

Combines are generally harvested by cutting and padding rice with cutting blades as the orbit proceeds to the rice paddies.They are mostly uneven rice paddies, cutting soil or cutting crevices and soil on cutting blades. For this reason, the rice is not evenly cut and the threshing efficiency is reduced.

If the cutting blade wears and gaps are broken, the cutting force of the rice falls and the rice is not cut at the speed of the combine. It is being shortened.

The cutting blade of the existing combine is to cut the rice located between the blades by sliding left and right in a state in which the pair is in close contact with the upper and lower pairs, as shown in the drawing, a plurality of upper blades (1) of the elongated upper fixing bar ( It is composed of a structure that is assembled to 1a), and the plurality of lower blades 2 in close contact with the upper blade 1 are assembled and fixed to the lower fixture 2a.

Therefore, the cutting blade is driven to slide left and right in the state installed in the combine so that the upper blade and the lower blade close to each other to cut the rice located between the blades, when the cutting blade collides with the protrusions of the rice paddy or is buried in the soil deformation of the cutting blade and The blade part is worn out and does not perform the function of the cutting blade. In this case, the cutting or grinding blade is reused to have the cutting force as in the initial state without again discarding the deformed or worn cutting blade.

As a technique of the grinding device for grinding the cutting blade of the combine or deformed as described above, the prior art of various structures has been proposed, as a representative technology of the Korean Utility Model Registration No. 0062554 (the cutting blade grinding machine of combine) and utility model Registration No. 0057750 has been proposed.

Briefly describing the prior art, the grinding wheel for grinding the cutting blade is fixed to the lower end of the motor shaft is rotated at high speed by the drive of the motor to grind the cutting blade, the motor rotates a pair of guide rods by the rotation of the handle or lift The rollers are moved up and down along the rail of the polishing tank or table by other motors separately installed and moved left and right, and the motor is moved back and forth by the handles installed in the front and rear directions. It is a technical configuration that the electromagnet fixing plate or fixing jig to be installed.

The conventional prior art is that the grinding shaft is fixed to the lower end of the motor shaft to be structurally installed in the motor shaft, which causes the vibration of the motor shaft in the grinding process work and the motor damage and damage due to the vibration of the motor shaft On the other hand, there is a problem that the grinding efficiency is deteriorated because the wear state of the grinding wheel is deformed or poor, and the surface of the cutting blade is not smooth.

In the above prior art, even if the length of the motor shaft on which the grinding wheel is fixed is short, the vibration caused by the friction of the grinding wheel and the cutting blade generated in the grinding work is directly transmitted to the motor, thereby shortening the life of the motor. .

The present invention is devised to solve the problems of the conventional cutting blade grinding device as described above, the grinding wheel for grinding the cutting blade is fixed to the spindle shaft and the spindle shaft is rotated at high speed by the driving of the motor to perform the grinding process It prevents vibration of the grinding wheel and installs the motor, spindle shaft and grinding wheel which are transported up and down on the base plate to increase the durability and supporting power with a simple structure, thereby preventing the deformation of the grinding wheel and damaging the motor and improving the grinding efficiency. It is an object of the present invention to provide a cutting blade grinding device of the combine.

The present invention has a grinding wheel attached to the lower end of the motor shaft, the motor is moved up and down along a pair of guide rods, the rollers are driven left and right by a rail drive, the motor is moved back and forth by the handle, and the electromagnet fixing plate is installed in the polishing tank. A conventional cutting blade grinding apparatus comprising: a base plate on which a roller moving on a rail is mounted on a bottom surface thereof; Transfer means for moving the base plate left and right; A pair of guide rods mounted vertically on the base plate and mounted with a fixing rod; A handle on which a screw shaft is mounted to the fixture; A transfer member having a guide block fitted to the guide rod and having a transfer nut coupled to the screw shaft; A motor attached to the transfer member and equipped with a pulley on the motor shaft; A spindle head attached to the transfer member and having a spindle shaft mounted with a pulley; It is characterized by consisting of a grinding wheel attached to the lower end of the spindle shaft.

1 is a perspective view showing a cutting blade for a conventional combine

2 is a front view of a cutting blade grinding device according to an embodiment of the present invention

3 is a side view of the present invention cutting blade grinding device

Figure 4 is a perspective view of the main part according to the present invention

Figure 5 is a main cross-sectional plan view according to the present invention

6 and 7 are side views showing the operating state of the present invention

8 is a side view showing a conveying means of the present invention

9 is an operating state of the present invention conveying means

10 is a plan view of the main portion showing the operating state according to the present invention

[Explanation of symbols on the main parts of the drawings]

10: frame 11: rail 20: polishing tank

22: electromagnet 23: fixed plate 30: base plate

31: roller 32: grinding space 40: transfer means

41: reduction gear 41a: chain gear 42: bracket

43: chain 50: guide rod 51: holder

60: handle 61: screw shaft 70: transfer member

71: guide block 72: feed nut 80: motor

90: spindle head 91: spindle axis 100: grinding wheel

The present invention is to provide a cutting edge grinding device to prevent damage to the motor due to the vibration of the grinding wheel and the deformed wear of the grinding wheel and increase the grinding efficiency, according to the present invention in Figures 2 to 10 shown in the drawings The configuration of the embodiment is shown in detail.

The present invention has a grinding wheel attached to the lower end of the motor shaft, the motor is moved up and down along a pair of guide rods, while the roller is driven on the rail by a deceleration motor and moved left and right, and the motor is moved back and forth by the handle installed in the front and rear direction In the existing cutting blade grinding device, which is transferred and provided with an electromagnet fixing plate for fixing the cutting blade inside the polishing tank,

A base plate 30 mounted on the bottom surface of the roller 31 moving on the rail 11 installed on the frame 10 and placed on the polishing tank 20; A transfer means 40 for moving the base plate 30 left and right by driving the reduction motor 41; A pair of guide rods 50 attached to the left and right vertically on the base plate 30 and mounted on a top portion thereof in a horizontal state; A handle (60) mounted with a screw shaft (61) rotatably mounted perpendicularly to the holder (51); A transfer member 70 having a guide nut 71 inserted into the guide rod 50 and vertically attached to the rear side and having a transfer nut 72 coupled to the screw shaft 61 at the rear side; A motor 80 attached to the rear side of the transfer member 70 and equipped with a pulley 81 on a motor shaft; A spindle head (90) attached to the front side of the transfer member (70) and having a spindle shaft (91) rotatably mounted at an upper end thereof with a pulley (92); The grinding wheel 100 is attached to the lower end of the spindle shaft 91 is characterized in that consisting of.

In the present invention, the frame 10 on which the rail 11 is installed and the polishing tank 20 on which the cutting blade is ground can apply a known technique, and the rail 11 is a frame 10 manufactured to a predetermined length. It is installed in a horizontal state at the front and rear of the upper end, the polishing tank 20 is placed inside the frame 10 and the rail 11, the polishing tank 20 is open at the top and can receive water or cutting oil therein. It is configured to be able to, and the fixing plate 23 is fixed to the inside of the electromagnet 22 and the cutting blade is fixed by the magnetic force of the electromagnet.

On the other hand, the polishing tank 20 has a structure that is conveyed back and forth in a state that is fixed to the frame 10, the handle 12 is provided on both sides of the frame 10 and the feed shaft 12a having a thread formed in the front and rear direction The feed nut 21 is attached to both sides of the polishing tank 20 and is fastened to the feed shaft 12a, thereby rotating the feed shaft 12a in either direction by the handle 12. ) And the transfer nut 21 is conveyed back and forth.

In the present invention, the base plate 30 placed on the rail 11 and the polishing tank 20 installed in the frame 10 is equipped with several rollers 31 moving on the rail 11 before and after the bottom part. And, while forming a grinding space 32 in which the grinding operation of the grinding wheel 100 is performed in the central position, the grinding space 32 is formed to open to one side.

The pair of guide rods 50 attached to the base plate 30 are vertically attached to a predetermined height so as to be positioned to the left and right, and the fixing stand 51 is mounted to the upper end in a horizontal state, and the lower portion of the handle 60 is provided. The screw shaft 61 of the up and down elongated shape coupled to the vertically inserted into the intermediate position of the holder 51 is rotatably installed.

On the other hand, the conveying member 70 is installed in a structure that moves up and down in the guide rod 50 is a plate-shaped plate shape of a pair of guide rods (71) to move up and down, both sides in a pair of up and down rear The transfer nut 72 is attached to the rear side and attached to the screw shaft 61 of the handle 60.

Therefore, when the transfer member 70 rotates the handle 60 to either side, the transfer member 70 is vertically conveyed by the guide rod 50 by the screw shaft 61 and the transfer nut 72, and guide blocks to the guide rod 50. The 71 is inserted and conveyed smoothly up and down.

In addition, the motor 80 is fixed to the rear of the transfer member 70 by a fastening bolt 82, the pulley 81 is mounted on the motor shaft located in the upper position, the belt 83 to the pulley 81 Is wound and mounted.

The spindle head 90 having the spindle shaft 91 rotated by the driving of the motor 80 is attached to the front side of the conveying member 70 and the spindle shaft 91 having the pulley 92 mounted at the upper end thereof is vertically disposed. The belt 82 mounted on the pulley 81 of the motor 80 is inserted and rotated, and the belt 82 is mounted on the pulley 92 of the spindle shaft 91 so that the spindle shaft 91 is driven at a high speed. Will rotate.

The grinding wheel 100 is attached to the lower end of the spindle shaft 91, and the fixed plate 23 of the polishing tank 20 as the spindle shaft 91 and the grinding wheel 100 rotate at high speed by driving the motor 80. The cutting blade fixedly attached to the magnetic force of the electromagnet 22 is ground.

In the present invention, the transfer means 40 for moving the base plate 30 left and right on the rail 11 has a reduction motor 41 at the rear end of the base plate 30 as shown in FIGS. 8 and 9 of the drawings. The bracket 42 is installed on the position of 11, the chain gear 41a is mounted on the motor shaft of the reduction motor 41, and the chain gear 41a is engaged with the rear side of the rail 11. The chain 43 is attached in the longitudinal direction.

Therefore, when the reduction motor 41 is driven at a low speed, the reduction motor 41 moves along the chain 43 by the rotation of the chain gear 41a meshed with the chain 43, thereby causing the base plate 30 to become a rail ( 11) It is moved left and right from above.

Referring to the operation of the present invention made of such a configuration as follows.

First, a predetermined amount of water or cutting oil is accommodated in the polishing tank 20, and then power is supplied to the electromagnet 22 from a control box (not shown), so that the grinding surface of the cutting blade 1 is positioned upward. Power is supplied to the motor 80 when the operation switch 52 installed on the front side of the holder 51 is turned on while the cutting blade 1 is fixed to the fixing plate 23 to which the magnetic force of the electromagnet 22 is applied. As the motor 80 is driven, power is transmitted to the spindle shaft 91 by the pulleys 81 and 92 and the belt 83 so that the grinding wheel 100 rotates at high speed.

When the grinding wheel 100 is rotated to supply power to the reduction motor 41 of the transfer means 40 through the control box, the chain gear 41a meshed with the chain 43 by driving of the reduction motor 41. As the base plate 30 is transported in the direction in which the cutting blade 1 is attached, the grinding wheel 100 that rotates at high speed causes the cutting blade 1 to be ground.

In the grinding operation of the cutting blade to adjust the vertical height of the grinding wheel 100 by rotating the handle 60, by selectively adjusting the grinding range by adjusting the vertical height of the grinding wheel 100 with the handle 60 Will do the work.

In the grinding device of the cutting blade is a grinding operation is continued while repeatedly conveying the grinding wheel 100 rotates from side to side in the grinding tank 20, the chain gear engaged to the chain 43 by the drive of the reduction motor 41 ( As the base plate 30 is moved left and right on the rail 11 by rotating 41a), the transfer of the grinding wheel 100 is reliable.

On the other hand, the present invention is fixed by attaching the grinding wheel (100) for grinding the cutting blade to the spindle shaft (91) and by rotating the spindle shaft (91) at high speed by the drive of the motor (80) to perform the grinding processing operation motor 80 And to prevent the vibration applied to the grinding wheel 100, and to increase the durability and bearing capacity of the grinding wheel (100).

The preferred embodiments of the present invention have been described above with reference to the present invention, and are not limited to the above embodiments, and those skilled in the art to which the present invention pertains through the above embodiments do not depart from the gist of the present invention. It can be done in a variety of changes.

The present invention fixedly attaches the grinding wheel to the spindle shaft and rotates the spindle shaft at high speed with the driving of the motor to perform the grinding process, thus preventing the vibration applied to the motor and the grinding wheel, and the motor and the spindle shaft being transferred up and down on the base plate. By installing a grinding wheel to increase durability and bearing capacity with a simple structure, it prevents the deformed wear of the grinding wheel and damage to the motor, increases the grinding efficiency, and provides the reliable effect of the grinding wheel's right and left transportation.

Claims (3)

A grinding wheel is attached to the lower end of the motor shaft, the motor is moved up and down along a pair of guide rods, while the roller is driven on the rail by a reduction motor, and is moved left and right. In the existing cutting blade grinding device is provided with an electromagnet fixing plate for fixing the cutting blade inside the tank, A base plate 30 mounted on the bottom surface of the roller 31 moving on the rail 11 installed on the frame 10 and placed on the polishing tank 20; A transfer means 40 for moving the base plate 30 left and right by driving the reduction motor 41; A pair of guide rods 50 attached to the left and right vertically on the base plate 30 and mounted on a top portion thereof in a horizontal state; A handle (60) mounted with a screw shaft (61) rotatably mounted perpendicularly to the holder (51); A transfer member 70 having a guide nut 71 inserted into the guide rod 50 and vertically attached to the rear side and having a transfer nut 72 coupled to the screw shaft 61 at the rear side; A motor 80 attached to the rear side of the transfer member 70 and equipped with a pulley 81 on a motor shaft; A spindle head (90) attached to the front side of the transfer member (70) and having a spindle shaft (91) rotatably mounted at an upper end thereof with a pulley (92); Cutting blade grinding device for combines, characterized in that consisting of a grinding wheel (100) attached to the lower end of the spindle shaft (91). The method of claim 1, The transfer means 40 has a bracket 42 to which the reduction motor 41 is installed at the rear end of the base plate 30, and the chain gear 41a is mounted to the motor shaft of the reduction motor 41. A cutting blade grinding device for combines, characterized in that a chain (43) in which the chain gear (41a) is engaged with the rail (11) is attached in the longitudinal direction. The method of claim 1, A grinding blade grinding device for combines, characterized in that the grinding space 32 is formed in the center position of the base plate 30, the grinding operation of the grinding wheel 100 is performed, the grinding space 32 is formed to open to one side.