CN214489902U

CN214489902U - Knife sharpener

Info

Publication number: CN214489902U
Application number: CN202023278131.6U
Authority: CN
Inventors: 叶昌海
Original assignee: Sichuan Pu Di Onda Electromechanical Equipment Co ltd
Current assignee: Sichuan Pu Di Onda Electromechanical Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-26
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a knife sharpener, which relates to the technical field of grinding tools and comprises a stander, a first rocker arm, a second rocker arm, a first connecting rod, a second connecting rod and a driving mechanism; one end of the first rocker arm and one end of the second rocker arm are rotatably connected to the rack through a first rotating shaft and are eccentrically arranged, the other ends of the first rocker arm and the second rocker arm are mutually crossed and are respectively rotatably connected with two ends of the first connecting rod, one opposite side of the first rocker arm and one opposite side of the second rocker arm are respectively fixedly provided with a wedge-shaped grinding block, the two grinding blocks are symmetrically arranged and are used for grinding a cutting edge, and two ends of the second connecting rod are respectively rotatably connected with the first connecting rod and the rack; the driving mechanism is connected with the first connecting rod in a sliding mode and used for driving the first rocker arm and the second rocker arm to rotate eccentrically. The problem that the traditional knife sharpening method is low in efficiency and easy to hurt is solved.

Description

Knife sharpener

Technical Field

The utility model belongs to the technical field of grinding apparatus technique and specifically relates to a sharpedge grinding machine is related to.

Background

The knife sharpening is a technological activity, especially for the kitchen knife, the traditional knife sharpening method is to put the knife on the whetstone, press the knife tightly with the hand to make it cling to the whetstone, then rub and rub back and forth, this method is not very good to master, if unfamiliar, easy to be injured and the efficiency of sharpening is low; it is therefore desirable to provide an efficient automatic knife sharpener.

SUMMERY OF THE UTILITY MODEL

To the deficiencies existing in the prior art, the utility model provides a knife sharpener, which solves the problems of low efficiency and easy injury of the traditional knife sharpening method.

According to an embodiment of the utility model, a knife sharpener comprises a frame, a first rocker arm, a second rocker arm, a first connecting rod, a second connecting rod and a driving mechanism; one end of each of the first rocker arm and the second rocker arm is rotatably connected to the rack through a first rotating shaft and is eccentrically arranged, the other ends of the first rocker arm and the second rocker arm are mutually crossed and are respectively rotatably connected with two ends of the first connecting rod, wedge-shaped grinding blocks are fixedly arranged on one opposite side of each of the first rocker arm and the second rocker arm, the two grinding blocks are symmetrically arranged and are used for grinding a cutting edge, and two ends of the second connecting rod are respectively rotatably connected with the first connecting rod and the rack; the driving mechanism is connected with the first connecting rod in a sliding mode and used for driving the first rocker arm and the second rocker arm to rotate eccentrically.

Compared with the prior art, the utility model discloses following beneficial effect has: one end of the first rocker arm and one end of the second rocker arm are rotatably connected to the rack and are eccentrically arranged, the other ends of the first rocker arm and the second rocker arm are intersected with each other and are respectively rotatably connected with two ends of the first connecting rod, two ends of the second connecting rod are respectively rotatably connected with the first connecting rod and the rack and the driving mechanism is slidably connected with the first connecting rod, so that the driving mechanism drives the first connecting rod to swing left and right to drive the first rocker arm and the second rocker arm to rotate eccentrically (namely when the driving mechanism drives the first connecting rod to swing left, the first rotating shaft is fixedly connected to the rack, the transverse position of the first rotating shaft cannot be changed, so that the first connecting rod drives the first rocker arm and the second rocker arm to rotate anticlockwise and eccentrically to adapt to the leftward swing of the first connecting rod, and the driving mechanism drives the connecting rod to swing right); through all having set firmly wedge-shaped abrasive brick and two abrasive bricks symmetrical arrangement in first rocking arm and the relative one side of second rocking arm, the abrasive brick is constantly ground the cutting edge along with first rocking arm and second rocking arm eccentric rotation in-process, consequently, adopt above-mentioned scheme, during the use, only need adjust the interval between cutting edge and the abrasive brick and fix the cutting edge, start two abrasive bricks behind the actuating mechanism and can realize grinding the automation of cutting edge, the degree of automation of whole device is higher and comparatively safe.

Furthermore, the first upper edge of the connecting rod is provided with a through groove in the axial direction of the first rotating shaft, the driving mechanism is an electric push rod, a connecting block is fixedly arranged at the end of the push rod of the electric push rod, a sliding rod parallel to the first rotating shaft is arranged on the connecting block, and the sliding rod is connected in the through groove in a sliding mode.

Furthermore, a mounting cylinder is fixedly arranged on the connecting block, the sliding rod is in a sleeve shape, and the sliding rod is sleeved on the mounting cylinder and is rotatably connected with the mounting cylinder.

Further, still include feed mechanism, feed mechanism includes anchor clamps and drive assembly, anchor clamps horizontal sliding connection in it is used for the centre gripping cutting edge in the frame, drive assembly with anchor clamps link to each other and are used for driving anchor clamps are close to the abrasive brick.

Further, the driving assembly comprises a screw rod, a mounting seat is fixedly arranged on the rack, a transverse internal thread hole is formed in the mounting seat, one end of the screw rod is abutted to the clamp, and the other end of the screw rod penetrates through the internal thread hole and is in threaded connection with the internal thread hole.

Furthermore, an eccentric rotating hand wheel is fixedly arranged at one end of the screw rod, which is far away from the clamp.

Furthermore, the push rod end of the electric push rod is transversely connected to the rack in a sliding mode.

Furthermore, a movable handle is fixedly arranged at the top of the clamp.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

fig. 4 is a partially enlarged view of fig. 3 at B.

In the above drawings: 1. a frame; 2. a first rocker arm; 3. a second rocker arm; 4. a first connecting rod; 401. a through groove; 5. a second connecting rod; 6. a first rotating shaft; 7. grinding blocks; 8. an electric push rod; 9. connecting blocks; 10. a slide bar; 11. mounting a cylinder; 12. a clamp; 13. a screw; 14. a mounting seat; 15. rotating a hand wheel; 16. moving the handle; 17. a slide rail; 18. a sliding sleeve; 19. a blade.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, an embodiment of the present invention provides a knife sharpener, which includes a frame 1, a first rocker 2, a second rocker 3, a first connecting rod 4, a second connecting rod 5, and a driving mechanism; the structure of the first rocker arm 2 is the same as that of the second rocker arm 3, one end of each of the first rocker arm 2 and the second rocker arm 3 is rotatably connected to the rack 1 through a first rotating shaft 6 and both ends of each of the first rocker arm 2 and the second rocker arm 3 are eccentrically arranged, the other ends of the first rocker arm 2 and the second rocker arm 3 are mutually crossed and are respectively rotatably connected with two ends of the first connecting rod 4, wedge-shaped grinding blocks 7 are fixedly arranged on one opposite sides of the first rocker arm 2 and the second rocker arm 3, the two grinding blocks 7 are symmetrically arranged and are used for grinding a cutting edge 19, and two ends of the second connecting rod 5 are respectively rotatably connected with the first connecting rod 4 and the rack 1; the driving mechanism is connected with the first connecting rod 4 in a sliding manner and is used for driving the first connecting rod 4 to swing left and right so as to drive the first rocker arm 2 and the second rocker arm 3 to rotate eccentrically; it should be understood that the frame 1 is a steel frame constructed according to the installation requirements of the parts of the device.

One end of the first rocker arm 2 and one end of the second rocker arm 3 are rotatably connected to the rack 1 and are eccentrically arranged, the other ends of the first rocker arm 2 and the second rocker arm 3 are intersected with each other and are rotatably connected with two ends of the first connecting rod 4 respectively, two ends of the second connecting rod 5 are rotatably connected with the first connecting rod 4 and the rack 1 respectively and are slidably connected with the first connecting rod 4, so that the first connecting rod 4 is driven by the driving mechanism to swing left and right to further drive the first rocker arm 2 and the second rocker arm 3 to rotate eccentrically (namely, when the first connecting rod 4 is driven by the driving mechanism to swing left, the first rotating shaft 6 is fixedly connected to the rack 1, the transverse position of the first rotating shaft cannot be changed, so that the first connecting rod 4 drives the first rocker arm 2 and the second rocker arm 3 to rotate anticlockwise and adapt to the leftward swing of the first connecting rod 4, and the driving mechanism drives the first connecting rod 4 to swing right; the wedge-shaped grinding blocks 7 are fixedly arranged on the opposite sides of the first rocker arm 2 and the second rocker arm 3, the two grinding blocks 7 are symmetrically arranged, and the grinding blocks 7 continuously grind the cutting edge 19 along with the eccentric rotation of the first rocker arm 2 and the second rocker arm 3; therefore, by adopting the scheme, when the automatic grinding device is used, only the distance between the cutting edge 19 and the grinding blocks 7 needs to be adjusted, the cutting edge 19 is fixed, the automatic grinding of the cutting edge 19 can be realized by starting the two grinding blocks 7 after the driving mechanism, and the automatic grinding device is higher in automation degree and safer.

As shown in fig. 1 and 2, an embodiment of the present invention provides a knife sharpener, a through groove 401 is disposed on the first connecting rod 4 along an axial direction of the first rotating shaft 6, the driving mechanism is an electric push rod 8, a connecting block 9 is fixedly disposed at a push rod end of the electric push rod 8, a slide rod 10 parallel to the first rotating shaft 6 is disposed on the connecting block 9, and the slide rod 10 is slidably connected in the through groove 401; by adopting the scheme, the sliding connection between the electric push rod 8 and the first connecting rod 4 is simply and reliably realized, and the transverse movement of the electric push rod 8 can drive the first connecting rod 4 to swing left and right.

As shown in fig. 1 and 2, an embodiment of the present invention provides a knife sharpener, in order to further reduce the friction resistance when the sliding rod 10 and the connecting rod 4 move relatively, the connecting block 9 is fixedly provided with a mounting cylinder 11, the sliding rod 10 is in a sleeve shape, and the sliding rod 10 is sleeved on the mounting cylinder 11 and is rotatably connected with the mounting cylinder 11.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a knife sharpener, in order to further improve the automation of the device, a feeding mechanism is further added to the sharpener, the feeding mechanism includes a fixture 12 and a driving assembly, a transverse slide rail 17 is fixedly arranged on the frame 1, a slider matched with the slide rail 17 is fixedly arranged at the bottom of the fixture 12, the fixture 12 is transversely slidably connected to the frame 1 through the slider and the slide rail 17 and is used for clamping a blade 19, the fixture 12 is a conventional clamping device, which may be a vice or other clamping device capable of clamping the blade 19, and the driving assembly is connected to the fixture 12 for driving the fixture 12 to approach the grinding block 7; by adopting the scheme, when the feeding device is used, the feeding of the clamp 12 can be realized by adjusting the driving component, so that the position of the blade 19 can be adjusted by an operator more safely.

As shown in fig. 1 and 2, an embodiment of the present invention provides a knife sharpener, the driving assembly includes a screw 13, a mounting seat 14 is fixedly disposed on the frame 1, a transverse internal thread hole is disposed on the mounting seat 14, one end of the screw 13 abuts against the clamp 12, and the other end of the screw 13 passes through the internal thread hole and is in threaded connection with the internal thread hole; by adopting the scheme, the driving assembly drives the clamp 12 to move towards the grinding block 7 simply and effectively, and the screw 13 has certain self-locking property, so that the clamp 12 can be prevented from shaking randomly; of course, the above-mentioned component may also be other linear driving mechanisms, such as an electric push rod or a hydraulic cylinder, and the output end of the electric push rod or the hydraulic cylinder is connected with the clamp 12.

As shown in fig. 1 and 2, the embodiment of the utility model provides a knife sharpener, rotate for making things convenient for operating personnel screw 13, screw 13 deviates from the one end of anchor clamps 12 has set firmly eccentric rotation hand wheel 15, rotation hand wheel 15 is conventional hand wheel, and its specific structure is the conventional technical means in this field, and this is no longer repeated here.

As shown in fig. 1 and 2, an embodiment of the present invention provides a knife sharpener, wherein a sliding sleeve 18 is fixedly disposed on a frame 1, a push rod end of an electric push rod 8 passes through the sliding sleeve 18 and is slidably connected thereto, and the push rod end of the electric push rod 8 is laterally slidably connected to the frame 1; the sliding sleeve 18 supports the push rod end of the electric push rod 8 to a certain extent, and the deformation of the electric push rod 8 is slowed down.

As shown in fig. 1 and 2, an embodiment of the present invention provides a knife sharpener, in order to facilitate an operator to move a clamp 12 to the right so as to slide a blade 19 out of between two grinding blocks 7, a movable handle 16 is fixedly arranged at the top of the clamp 12.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A knife sharpener is characterized in that: the device comprises a rack (1), a first rocker arm (2), a second rocker arm (3), a first connecting rod (4), a second connecting rod (5) and a driving mechanism;

one end of each of the first rocker arm (2) and the second rocker arm (3) is rotatably connected to the rack (1) through a first rotating shaft (6) and is eccentrically arranged on the rack, the other ends of the first rocker arm (2) and the second rocker arm (3) are mutually crossed and are rotatably connected with two ends of the first connecting rod (4) respectively, wedge-shaped grinding blocks (7) are fixedly arranged on one opposite sides of the first rocker arm (2) and the second rocker arm (3), the two grinding blocks (7) are symmetrically arranged and are used for grinding cutting edges (19), and two ends of the second connecting rod (5) are rotatably connected with the first connecting rod (4) and the rack (1) respectively;

the driving mechanism is connected with the first connecting rod (4) in a sliding mode and used for driving the first rocker arm (2) and the second rocker arm (3) to rotate eccentrically.

2. The tool sharpener of claim 1, wherein: follow on connecting rod (4) the axial of first pivot (6) is equipped with logical groove (401), actuating mechanism is electric putter (8), the push rod end of electric putter (8) is equipped with connecting block (9) admittedly, be equipped with on connecting block (9) and be on a parallel with slide bar (10) of first pivot (6), slide bar (10) sliding connection in lead to in groove (401).

3. The tool sharpener of claim 2, wherein: the mounting device is characterized in that a mounting cylinder (11) is fixedly arranged on the connecting block (9), the sliding rod (10) is in a sleeve shape, and the sliding rod (10) is sleeved on the mounting cylinder (11) and is rotatably connected with the mounting cylinder (11).

4. The tool sharpener of any one of claims 1-3, wherein: the grinding block grinding machine is characterized by further comprising a feeding mechanism, wherein the feeding mechanism comprises a clamp (12) and a driving assembly, the clamp (12) is transversely connected to the rack (1) in a sliding mode and used for clamping a cutting edge (19), and the driving assembly is connected with the clamp (12) and used for driving the clamp (12) to be close to the grinding block (7).

5. The tool sharpener of claim 4, wherein: the driving assembly comprises a screw rod (13), a mounting seat (14) is fixedly arranged on the rack (1), a transverse internal thread hole is formed in the mounting seat (14), one end of the screw rod (13) is abutted against the clamp (12), and the other end of the screw rod (13) penetrates through the internal thread hole and is in threaded connection with the internal thread hole.

6. The tool sharpener of claim 5, wherein: and an eccentric rotating hand wheel (15) is fixedly arranged at one end of the screw rod (13) deviating from the clamp (12).

7. A tool sharpener according to claim 2 or 3 wherein: the push rod end of the electric push rod (8) is transversely connected to the rack (1) in a sliding mode.

8. The tool sharpener of claim 4, wherein: and a movable handle (16) is fixedly arranged at the top of the clamp (12).