CN210731897U

CN210731897U - Height-adjustable knife sharpener

Info

Publication number: CN210731897U
Application number: CN201921714332.0U
Authority: CN
Inventors: 苏广荣; 宋纪冬; 焦学千; 刘志强
Original assignee: Shandong Xinya Equipment Manufacturing Co ltd
Current assignee: Shandong Xinya Equipment Manufacturing Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-06-12
Anticipated expiration: 2029-10-12

Abstract

The utility model relates to a height-adjustable's sharpedge grinding machine. The technical scheme is as follows: the grinding wheel device comprises a base frame, a workbench and an upper and lower adjusting mechanism are mounted on the base frame, a grinding wheel for grinding a knife is arranged above the workbench, the grinding wheel is driven by a power assembly and can move up and down along with the power assembly, the upper and lower adjusting mechanism comprises a screw rod and a lifting support, the screw rod is mounted on the upper portion of the base frame through a rotating part, the lifting support is in transmission connection with the screw rod, and the power assembly is fixedly connected with the lower portion of the lifting support. Drive power component and emery wheel through screw rod and lifting support's transmission cooperation is connected and is driven and reciprocate, adjusts the height of emery wheel according to the blade of the thickness of difference, guarantees the clearance of whetting a knife between workstation and the emery wheel, has avoided artifical handheld blade to be close to the emery wheel and polish and cause tired and dangerous phenomenon.

Description

Height-adjustable knife sharpener

Technical Field

The utility model relates to a sharpedge grinding machine technical field specifically is a height-adjustable sharpedge grinding machine.

Background

Because the greening area of modern cities is larger and larger, a large amount of mowing equipment is needed to mow lawns on two sides of gardens and roads, and the blade for mowing is not sharp any more due to the long-time use of the mowing equipment, so that the blade needs to be polished by a knife sharpener.

At present, current sharpedge grinding machine generally uses fixed emery wheel of whetting a knife to polish, and structural function is single, though can polish the blade, nevertheless the operation is not smooth and easy, need artifical handheld blade to polish near the emery wheel during polishing to adapt to the blade of different thickness, lead to operating personnel's fatigue easily and have danger.

Therefore, the problem that the grinding wheel height adjustable knife sharpener is needed to be solved urgently is researched and developed aiming at the current situation that the height of the grinding wheel of the existing knife sharpener is not adjustable so that a manual handheld blade is close to the grinding wheel to polish.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current sharpedge grinding machine emery wheel height unadjustable cause artifical handheld blade to be close to the emery wheel and carry out the technical problem of polishing, provide a height-adjustable sharpedge grinding machine.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a height-adjustable's sharpedge grinding machine, includes the bed frame, install the workstation on the bed frame, the top of workstation is provided with the emery wheel of usefulness of whetting a knife, the emery wheel is by power component drive and can reciprocate along with power component, still includes screw rod and lifting support, the screw rod is installed through rotating the piece the upper portion of bed frame, the lifting support transmission is connected on the screw rod, power component links firmly the lower part of lifting support. The transmission fit through screw rod and lifting support is connected, link firmly power component on lifting support, the emery wheel will be connected with power unit, realize reciprocating of lifting support through rotating the screw rod, and then drive power component and emery wheel and reciprocate, the height of emery wheel is adjusted according to the blade of the thickness of difference, guarantee the clearance of whetting a knife between workstation and the emery wheel, avoided artifical handheld blade to be close to the emery wheel and polish and cause tired and dangerous phenomenon.

Further, the bed frame includes the base, fixes the arm and the crossbeam between the arm that stands of base both sides, the crossbeam is fixed on the upper portion of standing the arm, the screw rod is installed on standing the arm, the cooperation is connected with the nut on the screw rod, the nut is located the top of crossbeam, the lifting support is connected with the nut through rotating the piece. The installation and the support of the screw rod are realized through the cross beam, and the vertical linear motion of the lifting support is realized through the connection nut on the screw rod and the connection of the rotating part and the lifting support on the nut.

Further, the lifting support comprises a front lifting plate, a rear lifting plate and a top plate, two sides of the top plate are fixedly connected with the front lifting plate and the rear lifting plate respectively to form a groove matched with the vertical arm, and the bottom of the front lifting plate is fixedly connected with the power assembly through a connecting piece.

Furthermore, the front lifting plate and the rear lifting plate are provided with guide strip holes, the longitudinal center lines of the guide strip holes are vertically arranged, and the guide strip holes are provided with connecting pieces used for being screwed with the vertical arms. The tightening connection of the lifting plate and the vertical arm is realized on the premise that the connecting piece is installed on the guide strip hole, and the effect that the height of the lifting support is not changed when the grinding wheel is lifted to a certain height is achieved.

Further, the power assembly comprises a motor and a motor base, the motor is fixedly connected with the motor base, the motor base is fixedly connected with the bottom of the front lifting plate, and a rotating shaft of the motor is connected with the grinding wheel.

Furthermore, a protective cover is arranged above the grinding wheel and fixedly connected with the front lifting plate through a connecting piece. Prevent the outer of the in-process abrasive dust of polishing from spattering through setting up the protection casing.

Furthermore, a working lamp is installed on the lifting support. Is convenient for working at night and in the dark of a factory building.

Furthermore, a hand wheel is installed on the upper portion of the screw rod and is located above the lifting support. The operation is convenient.

Further, the workbench is detachably mounted on the base frame.

The utility model discloses an adopt above-mentioned technical scheme, have following advantage:

1. the transmission fit through screw rod and lifting support is connected, link firmly power component on lifting support, the emery wheel will be connected with power unit, realize reciprocating of lifting support through rotating the screw rod, and then drive power component and emery wheel and reciprocate, the height of emery wheel is adjusted according to the blade of the thickness of difference, guarantee the clearance of whetting a knife between workstation and the emery wheel, avoided artifical handheld blade to be close to the emery wheel and polish and cause tired and dangerous phenomenon.

2. The installation and the support of the screw rod are realized through the cross beam, and the vertical linear motion of the lifting support is realized through the connection nut on the screw rod and the connection of the rotating part and the lifting support on the nut.

3. The tightening connection of the lifting plate and the vertical arm is realized on the premise that the connecting piece is installed on the guide strip hole, and the effect that the height of the lifting support is not changed when the grinding wheel is lifted to a certain height is achieved.

4. Prevent the outer of the in-process abrasive dust of polishing from spattering through setting up the protection casing. The work lamp is convenient to work at night and in the dark of a factory building. The hand wheel is arranged on the screw rod, so that the operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a left side view of fig. 1.

In the figure, 1, a work light, 2, a hand wheel, 3, a bearing, 4, a screw rod, 5, a front lifting plate, 6, a rear lifting plate, 7, a protective cover, 8, a grinding wheel, 9, a vertical arm, 10, a motor, 11, a workbench, 12, an injection molding bolt, 13, a base, 14, a rubber supporting leg, 15 and a guide strip hole.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the height-adjustable knife sharpener comprises a base frame, a workbench 11 is mounted on the base frame, a grinding wheel 8 for sharpening the knife is arranged above the workbench 11, the grinding wheel 8 is driven by a power assembly and can move up and down along with the power assembly, the sharpener further comprises a screw rod 4 and a lifting support, the screw rod 4 is mounted on the upper portion of the base frame through a rotating part, the lifting support is in transmission connection with the screw rod 4, and the power assembly is fixedly connected to the lower portion of the lifting support. Through screw rod 4 and lifting support's transmission cooperation connection, link firmly power component on lifting support, emery wheel 8 will be connected with power unit, realize reciprocating of lifting support through rotating screw rod 4, and then drive power component and emery wheel 8 and reciprocate, the height of emery wheel 8 is adjusted to the blade according to the thickness of difference, guarantee the clearance of whetting a knife between workstation 11 and the emery wheel 8, avoided artifical handheld blade to be close to emery wheel 8 and polish and cause tired and dangerous phenomenon.

The base frame comprises a base 13, two vertical arms 9 and two cross beams, wherein the two vertical arms 9 are respectively fixed on two sides of the base 13 and close to the rear part of the base 13, the cross beams are fixed between the two vertical arms 9, the cross beams are fixed on the upper parts of the vertical arms 9 through bolts, a lifting support is connected with nuts through rotating pieces, and the rotating pieces in the embodiment are bearings 3; the lifting support comprises a front lifting plate 5, a rear lifting plate 6 and a top plate, a bearing 3 is installed in the middle of the top plate through an opening and then sleeved on a nut, two sides of the top plate are fixedly connected with the front lifting plate 5 and the rear lifting plate 6 respectively to form a groove matched with the vertical arm 9, the vertical arm 9 is located in the groove, the top plate can be attached to the top of the cross beam by adjusting the height of the lifting support, and at the moment, the grinding wheel 8 is adjusted to the lowest position; in order to realize that the lifting support is fixed to ensure that the height is not changed after the grinding wheel 8 is lifted to a certain height, guide strip holes 15 are formed in the front lifting plate 5 and the rear lifting plate 6, the longitudinal central line of each guide strip hole 15 is vertically arranged and is parallel to the longitudinal direction of the vertical arm 9, a connecting piece used for being screwed and connected with the vertical arm 9 is arranged on each guide strip hole 15, and a screwing bolt is selected as the connecting piece.

Wherein, power component includes motor 10 and motor cabinet, and motor 10 links firmly with the motor cabinet, and the motor cabinet links firmly with the bottom of preceding liter board 5, and the pivot and the emery wheel 8 of motor 10 are connected.

In addition, in order to avoid the outward splash of the abrasive dust in the grinding process, a protective cover 7 is arranged above the grinding wheel 8, the protective cover 7 is fixedly connected with the front lifting plate 5 through a connecting piece, and the connecting piece is a connecting plate and a bolt.

In addition, in order to facilitate the use of a knife sharpener to sharpen the knife at night and in the dark of a factory building, a working lamp 1 is installed on the lifting support.

In addition, in order to facilitate the height adjustment of the grinding wheel 8 by an operator, a hand wheel 2 is arranged on the upper part of the screw rod 4, and the hand wheel 2 is positioned above the top plate.

In addition, in order to facilitate the collection and treatment of the abrasive dust, the worktable 11 is detachably mounted on the base frame through bolts.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The height-adjustable knife sharpener is characterized by comprising a base frame, wherein a workbench (11) is mounted on the base frame, a grinding wheel (8) for sharpening is arranged above the workbench (11), and the grinding wheel (8) is driven by a power assembly and can move up and down along with the power assembly; the lifting mechanism is characterized by further comprising a screw rod (4) and a lifting support, wherein the screw rod (4) is installed on the upper portion of the base frame through a rotating piece, the lifting support is connected to the screw rod (4) in a transmission mode, and the power assembly is fixedly connected to the lower portion of the lifting support.

2. The height-adjustable knife sharpener according to claim 1, wherein the base frame comprises a base (13), upright arms (9) fixed on two sides of the base (13) and a cross beam between the two upright arms (9), the cross beam is fixed on the upper portions of the upright arms (9), the screw rod (4) is installed on the upright arms (9), a nut is connected to the screw rod (4) in a matching mode and located above the cross beam, and the lifting support is connected with the nut through a rotating piece.

3. The height-adjustable knife sharpener according to claim 2, wherein the lifting support comprises a front lifting plate (5), a rear lifting plate (6) and a top plate, two sides of the top plate are fixedly connected with the front lifting plate (5) and the rear lifting plate (6) respectively to form a groove matched with the vertical arm (9), and the bottom of the front lifting plate (5) is fixedly connected with the power assembly through a connecting piece.

4. The height-adjustable knife sharpener according to claim 3, wherein the front lifting plate (5) and the rear lifting plate (6) are provided with guide bar holes (15), the longitudinal center lines of the guide bar holes (15) are vertically arranged, and the guide bar holes (15) are provided with connecting pieces for screwing and connecting with the vertical arms (9).

5. The height-adjustable knife sharpener according to claim 3, wherein the power assembly comprises a motor (10) and a motor base, the motor (10) is fixedly connected with the motor base, the motor base is fixedly connected with the bottom of the front lifting plate (5), and a rotating shaft of the motor (10) is connected with the grinding wheel (8).

6. The height-adjustable knife sharpener according to any one of claims 1-5, characterized in that a protective cover (7) is arranged above the grinding wheel (8), and the protective cover (7) is fixedly connected with the front lifting plate (5) through a connecting piece.

7. The height-adjustable knife sharpener according to claim 1, characterized in that a work light (1) is mounted on the lifting bracket.

8. The height-adjustable knife sharpener according to claim 1, characterized in that a hand wheel (2) is mounted on the upper portion of the screw rod (4), and the hand wheel (2) is located above the lifting support.

9. The height-adjustable tool sharpener according to claim 1, characterized in that the worktable (11) is detachably mounted on a base frame.