CN219485109U - Knife sharpening device for agricultural production - Google Patents

Abstract

The utility model discloses a knife sharpening device for agricultural production, which comprises a main body, wherein a motor is arranged in the main body, a first rotating shaft is arranged on an output shaft of the motor, the first rotating shaft penetrates through the top end of the main body, a grinding wheel is sleeved outside the first rotating shaft, the first rotating shaft is rotatably connected with the main body, a supporting plate is arranged at the top end of the main body, supporting columns are arranged on two sides of the middle part of the bottom end of the supporting plate, a fourth rotating shaft is arranged between the supporting columns, and a rotator is sleeved outside the fourth rotating shaft. According to the utility model, when the convex block is in contact with the contact block, the rotating body deflects around the fourth rotating shaft, the gear is meshed with the end face gear, the gear drives the second rotating shaft to rotate, the clamping body is overturned, the cutter is overturned, the spring is deformed, the connecting block is pushed, the connecting block drives the fourth rotating shaft to deflect, and the device is reset, so that the cutting edge is replaced to contact with the grinding wheel, and the two cutting edges of the cutter are polished.

Description

Knife sharpening device for agricultural production

Technical Field

The utility model relates to the technical field of agricultural production, in particular to a knife sharpening device for agricultural production.

Background

The cutter is a tool commonly used in daily life, also can be a weapon, is used for harvesting in agricultural production, and because in agricultural production, the cutter blade is in a working state all the time, so that the cutter blade is easy to wear, thereby influencing the sharpness of the cutter blade.

Through retrieving, chinese patent publication No. CN209793290U discloses a multifunctional knife sharpener, including the mill frame, a plurality of knife sharpening grooves of different angles have been seted up to mill frame upper end, be provided with two knife sharpening stones with knife sharpening groove inner wall fixed connection on the single knife sharpening groove, be V-arrangement alternately and be fixed in the knife sharpening inslot between two knife sharpening stones, one side that keeps away from the knife sharpening groove on the mill frame is provided with the bar sharpening board with mill frame fixed connection, the standing groove has been seted up to mill frame lower extreme, be provided with the elasticity sharpening stick that rotates with mill frame to be connected in the standing groove, elasticity sharpening stick can be accomodate in the standing groove or pop out from the standing groove, the knife sharpening groove of different angles has been seted up to this multifunctional knife sharpener, thereby the contained angle between two knife sharpening stones of knife sharpening inslot is also different, thereby the cutter of multiple different thickness can be adapted, the practicality of knife sharpener is improved, and through being provided with bar sharpening board and elasticity sharpening stick, can polish the cutter, also can polish saw-tooth type cutter, the versatility of the multifunctional knife sharpener is increased.

One of the multifunctional sharpeners in the above patent has the following disadvantages: the device is provided with a plurality of knife sharpening grooves, and the two sides of the cutting edge of the cutter cannot be polished well.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a knife sharpening device for agricultural production.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a knife grinder for agricultural production, includes the main part, the inside of main part is equipped with the motor, the output shaft of motor is equipped with first pivot, first pivot runs through to the top of main part, the outside cover of first pivot is equipped with the emery wheel, first pivot is connected with the main part rotation, the top of main part is equipped with the backup pad, the bottom middle part both sides of backup pad all are equipped with the support column, two be equipped with the fourth pivot between the support column, the outside cover of fourth pivot is equipped with the rotator, first through-hole has been seted up to one side of rotator, the rotator is equipped with the second pivot in first through-hole, the both ends of second pivot are equipped with centre gripping body and contact block respectively, the outside cover of second pivot is equipped with the gear, the gear is in one side of contact block, the second through-hole has been seted up on top one side of backup pad, the backup pad is equipped with the third pivot in the second through-hole, the top outside of third pivot is equipped with the belt pulley group, third pivot middle part cover is equipped with the lug, the bottom one side of rotor, the bottom end cover of third terminal surface is equipped with the gear, the gear and the fourth pivot runs through-hole, the outside of fourth pivot is equipped with the elastic connection piece.

Further, the clamping body is the U-shaped, first screw thread through-hole has been seted up on the top of clamping body, the clamping body has first threaded rod at first screw thread through-hole internal thread connection, the clamping body is equipped with first grip block on U-shaped inner wall top, first grip block rotates with first threaded rod to be connected, the clamping body is equipped with the second grip block in U-shaped inner wall bottom, arc recess has all been seted up at one side middle part that first grip block and second grip block are close to each other, one side that first grip block and second grip block are close to each other all is equipped with the elastic cushion.

Further, the belt pulley group comprises a second belt pulley, the second belt pulley is sleeved at the top end of the third rotating shaft, a first belt pulley is sleeved outside the top end of the first rotating shaft, and belts are sleeved outside the first belt pulley and the second belt pulley.

Further, the elastic mechanism comprises a spring, the bottom of connecting block is circular-arc, the bottom fixed connection of spring and connecting block, top one side of main part is equipped with the supporter, the second screw thread through-hole has been seted up to one side of supporter, the supporter has the second threaded rod at second screw thread through-hole internal thread connection, the one end of second threaded rod is equipped with the loading board, loading board and spring fixed connection.

Further, the bump is arc-shaped, and the contact block is cone-shaped.

Further, the bottom of main part is equipped with a plurality of auto-lock universal wheels.

The beneficial effects of the utility model are as follows:

1. through having set up clamping body, first pivot, elastic mechanism and face gear, first belt pulley drives first belt pulley, first belt pulley passes through the belt and drives the rotation of third pivot then, let rotor and face gear rotate, the rotor drives the lug and rotates, make the rotor deflect round the fourth pivot this moment when the lug contacts with the contact block, then make gear and face gear meshing, the gear drives the rotation of second pivot, then make the clamping body upset, make the cutter turn over, spring deformation, promote the connecting block, the connecting block drives the fourth pivot deflection, make the device reset, thereby let the cutting edge trade the face contact emery wheel, thereby reach the two sides cutting edge to the cutter and polish.

2. Through having set up the elastic cushion, when the centre gripping cutter, through the elastic cushion on first grip block and the second grip block, can reduce the damage of device to the cutter, increase the protection to the cutter.

3. Through having set up the auto-lock universal wheel, after polishing, the power is closed, then promotes the main part, and the auto-lock universal wheel of main part bottom is taken the main part to slide for the device is convenient to remove.

Drawings

Fig. 1 is a front view of the structure of a knife sharpening device for agricultural production according to embodiment 1;

fig. 2 is a side view of the structure of the knife sharpening device for agricultural production according to embodiment 1;

fig. 3 is an enlarged view of a portion a of fig. 1;

fig. 4 is a front view of the structure of the clamping body of the knife sharpening device for agricultural production according to embodiment 1;

fig. 5 is a side view of the structure of the sharpening device for agricultural production according to embodiment 2.

In the figure: the self-locking universal wheel comprises a main body 1, a motor 101, a grinding wheel 2, a first rotating shaft 3, a clamping body 4, a first threaded rod 5, a first clamping plate 501, an elastic pad 502, a second clamping plate 503, a supporting plate 6, a belt 7, a first belt pulley 8, a supporting column 9, a rotating body 10, a second rotating shaft 11, a second belt pulley 12, a third rotating shaft 13, a rotating wheel 14, a protruding block 15, a gear 16, a contact block 17, a supporting body 18, a second threaded rod 19, a bearing plate 20, a spring 21, a face gear 22, a fourth rotating shaft 23, a connecting block 24 and a self-locking universal wheel 25.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Example 1

Referring to fig. 1 to 4, a knife grinder for agricultural production comprises a main body 1, a YB-2 type motor 101 is fixedly connected inside the main body 1, a first rotating shaft 3 is fixedly connected to an output shaft of the motor 101, the first rotating shaft 3 penetrates through to the top end of the main body, a grinding wheel 2 is sleeved outside the first rotating shaft 3, the first rotating shaft 3 is rotatably connected with the main body 1, a supporting plate 6 is fixedly connected to the top end of the main body 1, supporting columns 9 are fixedly connected to two sides of the middle part of the bottom end of the supporting plate 6, a fourth rotating shaft 23 is rotatably connected between the two supporting columns 9, a rotating body 10 is sleeved outside the fourth rotating shaft 23, a first through hole is formed in one side of the rotating body 10, a second rotating shaft 11 is rotatably connected to the rotating body 10 in the first through hole, the both ends of second pivot 11 are fixedly connected with centre gripping body 4 and contact block 17 respectively, the outside cover of second pivot 11 is equipped with gear 16, gear 16 is in one side of contact block 17, the second through-hole has been seted up on top one side of backup pad 6, backup pad 6 rotates in the second through-hole and is connected with third pivot 13, the top outside of third pivot 13 is equipped with the belt pulley group, the cover is equipped with rotation wheel 14 in the middle part of third pivot 13, the bottom one side fixedly connected with lug 15 of rotation wheel 14, the bottom cover of third pivot 13 is equipped with face gear 22, face gear 22 and gear 16 meshing, fourth pivot 23 runs through support column 9 and extends to the outside of support column 9, the one end fixedly connected with connecting block 24 of fourth pivot 23, the outside cover of connecting block 24 is equipped with elastic mechanism.

The clamping body 4 is the U-shaped, first screw thread through-hole has been seted up on the top of clamping body 4, clamping body 4 is at first screw thread through-hole internal thread connection has first threaded rod 5, clamping body 4 is at first grip block 501 of U-shaped inner wall top sliding connection, first grip block 501 rotates with first threaded rod 5 to be connected, clamping body 4 is at U-shaped inner wall bottom fixedly connected with second grip block 503, arc recess has all been seted up at the one side middle part that first grip block 501 and second grip block 503 are close to each other, one side that first grip block 501 and second grip block 503 are close to each other all fixedly connected with elastic pad 502.

The pulley group includes second belt pulley 12, and second belt pulley 12 cover is established on the top of third pivot 13, and the top outside cover of first pivot 3 is equipped with first belt pulley 8, and the outside cover of first belt pulley 8 and second belt pulley 12 is equipped with belt 7.

The elastic mechanism comprises a spring 21, the bottom of a connecting block 24 is arc-shaped, the spring 21 is fixedly connected with the bottom of the connecting block 24, one side of the top end of the main body 1 is fixedly connected with a support body 18, one side of the support body 18 is provided with a second threaded through hole, the support body 18 is internally threaded with a second threaded rod 19 in the second threaded through hole, one end of the second threaded rod 19 is rotationally connected with a bearing plate 20, and the bearing plate 20 is fixedly connected with the spring 21.

The bump 15 is in an arc shape, the contact block 17 is in a cone shape, when the bump 15 is contacted with the contact block 17, the arc of the bump 15 is contacted with the arc surface on one side of the cone shape of the contact block 17, so that the contact is smoother.

Working principle: when sharpening is needed, a cutter is placed on the second clamping plate 503, the first threaded rod 5 is rotated, the first threaded rod 5 slowly pushes the first clamping plate 501, the first clamping plate 501 slowly approaches the second clamping plate 503, the cutter is clamped at the moment, the cutting edge of the cutter contacts the grinding wheel 2, the motor 101 is started, the motor 101 drives the first rotating shaft 3, the first rotating shaft 3 drives the grinding wheel 2, and the grinding wheel 2 polishes the cutting edge;

the first rotating shaft 3 drives the first belt pulley 8, the first belt pulley 8 drives the second belt pulley 12 through the belt 7, then drives the third rotating shaft 13 to rotate, the rotating wheel 14 and the face gear 22 are enabled to rotate, the rotating wheel 14 drives the protruding block 15 to rotate, when the protruding block 15 contacts with the contact block 17, the rotating body 10 deflects around the fourth rotating shaft 23, then the gear 16 is meshed with the face gear 22, the gear 16 drives the second rotating shaft 11 to rotate, then the clamping body 4 is enabled to overturn, the cutter is enabled to overturn, the spring 21 deforms, the connecting block 24 is pushed, the connecting block 24 drives the fourth rotating shaft 23 to deflect, the device is enabled to reset, the cutter edge is enabled to contact the grinding wheel 2, and therefore two-sided cutter edges of the cutter are polished.

Example 2

Referring to fig. 5, in this embodiment, compared with embodiment 1, in order to increase the practicability of the device, a plurality of self-locking universal wheels 25 are fixedly connected to the bottom end of the main body 1.

Working principle: when sharpening is needed, a cutter is placed on the second clamping plate 503, the first threaded rod 5 is rotated, the first threaded rod 5 slowly pushes the first clamping plate 501, the first clamping plate 501 slowly approaches the second clamping plate 503, the cutter is clamped at the moment, the cutting edge of the cutter contacts the grinding wheel 2, the motor 101 is started, the motor 101 drives the first rotating shaft 3, the first rotating shaft 3 drives the grinding wheel 2, and the grinding wheel 2 polishes the cutting edge;

the first rotating shaft 3 drives the first belt pulley 8, the first belt pulley 8 drives the second belt pulley 12 through the belt 7, then drives the third rotating shaft 13 to rotate, the rotating wheel 14 and the face gear 22 are enabled to rotate, the rotating wheel 14 drives the protruding block 15 to rotate, when the protruding block 15 contacts with the contact block 17, the rotating body 10 deflects around the fourth rotating shaft 23, then the gear 16 is meshed with the face gear 22, the gear 16 drives the second rotating shaft 11 to rotate, then the clamping body 4 is enabled to overturn, the cutter is enabled to overturn, the spring 21 deforms, the connecting block 24 is pushed, the connecting block 24 drives the fourth rotating shaft 23 to deflect, the device is enabled to reset, the cutter edge is enabled to contact the grinding wheel 2, and therefore two cutter edges of the cutter are polished;

when polishing is finished, the power supply is turned off, then the main body 1 is pushed, and the self-locking universal wheel 25 at the bottom end of the main body 1 slides along with the main body 1, so that the device is convenient to move.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a knife sharpening device for agricultural production, includes main part (1), its characterized in that, the inside of main part (1) is equipped with motor (101), the output shaft of motor (101) is equipped with first pivot (3), first pivot (3) run through to the top of main part, the outside cover of first pivot (3) is equipped with grinding wheel (2), first pivot (3) are connected with main part (1) rotation, the top of main part (1) is equipped with backup pad (6), the bottom middle part both sides of backup pad (6) all are equipped with support column (9), two be equipped with fourth pivot (23) between support column (9), the outside cover of fourth pivot (23) is equipped with rotator (10), first through-hole has been seted up to one side of rotator (10), rotator (10) are equipped with second pivot (11) in first through-hole, the both ends of second pivot (11) are equipped with centre gripping body (4) and contact block (17) respectively, one side outside cover of second pivot (11) is equipped with gear (16), gear (16) contact block (6) are equipped with in one side of third through-hole (13) are seted up on one side of the top of rotator (6), the middle part cover of third pivot (13) is equipped with rotation wheel (14), the bottom one side of rotation wheel (14) is equipped with lug (15), the bottom cover of third pivot (13) is equipped with face gear (22), face gear (22) and gear (16) meshing, fourth pivot (23) run through support column (9) and extend to the outside of support column (9), the one end of fourth pivot (23) is equipped with connecting block (24), the outside cover of connecting block (24) is equipped with elastic mechanism.

2. The knife sharpening device for agricultural production according to claim 1, wherein the clamping body (4) is U-shaped, a first threaded through hole is formed in the top end of the clamping body (4), a first threaded rod (5) is connected to the clamping body (4) through the first threaded through hole in a threaded manner, a first clamping plate (501) is arranged on the top end of the U-shaped inner wall of the clamping body (4), the first clamping plate (501) is rotationally connected with the first threaded rod (5), a second clamping plate (503) is arranged at the bottom end of the U-shaped inner wall of the clamping body (4), arc-shaped grooves are formed in the middle of one side, close to each other, of the first clamping plate (501) and the second clamping plate (503), and an elastic pad (502) is arranged on one side, close to each other, of the first clamping plate (501) and the second clamping plate (503).

3. The knife sharpening device for agricultural production according to claim 1, wherein the belt pulley group comprises a second belt pulley (12), the second belt pulley (12) is sleeved at the top end of the third rotating shaft (13), the first belt pulley (8) is sleeved outside the top end of the first rotating shaft (3), and the belt (7) is sleeved outside the first belt pulley (8) and the second belt pulley (12).

4. The knife sharpening device for agricultural production according to claim 1, wherein the elastic mechanism comprises a spring (21), the bottom of the connecting block (24) is arc-shaped, the spring (21) is fixedly connected with the bottom of the connecting block (24), a supporting body (18) is arranged on one side of the top end of the main body (1), a second threaded through hole is formed in one side of the supporting body (18), a second threaded rod (19) is connected with the supporting body (18) in the second threaded through hole in a threaded manner, a bearing plate (20) is arranged at one end of the second threaded rod (19), and the bearing plate (20) is fixedly connected with the spring (21).

5. The agricultural production knife sharpening device as recited in claim 1, wherein the projection (15) is circular arc-shaped and the contact block (17) is conical.

6. The knife sharpening device for agricultural production as defined in claim 1, wherein the bottom end of the main body (1) is provided with a plurality of self-locking universal wheels (25).