CN215394174U

CN215394174U - Knife sharpener

Info

Publication number: CN215394174U
Application number: CN202121877081.5U
Authority: CN
Inventors: 郑秀华
Original assignee: Taizhou Jia Chen Sewing Equipment Technology Co ltd
Current assignee: Taizhou Jia Chen Sewing Equipment Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-04
Anticipated expiration: 2031-08-11

Abstract

The utility model belongs to the technical field of knife sharpeners, and particularly relates to a knife sharpener, which comprises a grinding device, a sharpening device and a control device, wherein the grinding device is used for grinding a cutter; the adjusting device is arranged on one side of the grinding device and used for adjusting the position of the cutter; the fixing device is arranged on the adjusting device and used for fixing the cutter; the angle adjusting mechanism is connected with the fixing device and is used for adjusting the angle of the cutter; the distance adjusting assembly drives the angle adjusting mechanism to move. The front-back adjusting component, the left-right adjusting component and the angle adjusting mechanism respectively adjust the front-back position, the left-right position and the angle position of the cutter, so that the cutter can be adjusted in all directions. Meanwhile, a user can connect the left and right adjusting components on the scissors grinding support, so that the scissors can be ground. Thereby make this sharpedge grinding machine can realize the polishing function to more cutters.

Description

Knife sharpener

Technical Field

The utility model relates to the technical field of knife sharpeners, in particular to a knife sharpener.

Background

When the blades of scissors, or sewing machines, become worn and dull, many users often choose to change them directly, and some users choose to grind the blades for reuse.

However, when the knife is polished, the user usually holds the knife by hand, which is too dangerous, so people invent the polisher, and the machine is used for clamping to improve the safety and stability, for example, the knife sharpener with the Chinese patent application number of 201620068096.X and the knife sharpening frame mechanism of the knife sharpener have the defects that the knife can only be adjusted forwards and backwards, the position adjustment of the knife is not comprehensive, and the polisher cannot be suitable for polishing various knives.

Disclosure of Invention

The utility model aims to provide a left-right adjusting component of a knife sharpener.

The purpose of the utility model is realized as follows:

a knife sharpener comprises

A grinding device for grinding the tool;

the adjusting device is arranged on one side of the grinding device and used for adjusting the position of the cutter; and

the fixing device is arranged on the adjusting device and used for fixing the cutter;

the angle adjusting mechanism is connected with the fixing device and is used for adjusting the angle of the cutter;

the distance adjusting assembly drives the angle adjusting mechanism to move.

Preferably, the angle adjusting mechanism includes:

a rotating block formed on the bottom surface of the fixing table of the fixing device,

the adjusting seat is provided with at least one connecting block, and a rotating shaft penetrates between the connecting block and the rotating block; and

the locking piece I is arranged on the adjusting seat; when the end part of the first locking piece acts on the rotating block, the rotating block is kept fixed.

Preferably, the distance adjustment mechanism includes:

a front and rear adjustment assembly;

the left and right adjusting component is detachably arranged on the front and back adjusting component, and the front and back adjusting component drives the left and right adjusting component to move back and forth;

the angle adjusting mechanism is connected with the left and right adjusting component, and the left and right adjusting component drives the angle adjusting mechanism to move left and right.

Preferably, the left-right adjustment assembly includes:

the first vertical plate is arranged from left to right;

the lower end of the base is provided with a groove, the base is arranged on a first vertical plate through the groove, and the base can move left and right along the first vertical plate;

the locking piece II can be transversely movably arranged on the base, and one end of the locking piece II is arranged in the groove; when the end part of the locking piece II acts on the first vertical plate, the first vertical plate is pressed and fixed in the groove.

Preferably, a grinding scissors bracket is further arranged on one side of the adjusting device (2), and the adjusting device and the grinding scissors bracket are both positioned on the front side of the grinding device;

wherein, the shaping has riser two on the grinding scissors support, when controlling the adjusting part and separating from the adjusting part after in the past, the base passes through the recess setting on riser one, retaining member two can be used in on the riser two to adjusting part is connected about will on the grinding scissors support. Preferably, the fore-aft adjustment assembly includes:

a mounting seat;

the screw rod is rotatably arranged on the mounting seat;

the sliding block bracket is sleeved on the screw rod; and

the second driving source is arranged on one side of the mounting seat and is connected with the screw rod;

the first vertical plate is formed on the sliding block bracket; the second driving source drives the screw rod to rotate, and the screw rod rotates to drive the sliding block support to move back and forth.

Preferably, the fixing means comprises:

the fixed table is provided with a fixed groove for placing a cutter; and

and the pressing plate is detachably connected with the fixed table through a first fastener and is used for fixing a cutter.

Preferably, the number of the fixing grooves is two; the two ends of the pressing plate respectively extend downwards into the two fixing grooves.

Preferably, the base is further provided with a strip-shaped through hole, the adjusting seat is formed with an adjusting hole, and the position of the adjusting seat on the base is adjusted by penetrating the adjusting hole and the through hole at different positions through a third fastener.

Preferably, the grinding device includes:

a first driving source;

the grinding wheel is connected with the first driving source, and the first driving source drives the grinding wheel to rotate;

the grinding wheel is annular, the outer annular surface and the outer end surface of the grinding wheel are used for grinding a cutter, and an inner cavity used for accommodating a cutter head of the cutter is formed in the grinding wheel.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. the cutter is adjusted in the front-back, left-right and angle positions respectively through the front-back adjusting assembly, the left-right adjusting assembly and the angle adjusting mechanism, so that the cutter is adjusted in all directions.

2. According to the utility model, when a user unscrews the second locking part, the pressing of the two pairs of vertical plates I of the locking part can be released, and the user can move the left and right adjusting component leftwards and rightwards so as to drive the angle adjusting mechanism on the left and right adjusting component, the fixing device on the angle adjusting mechanism and the cutter on the fixing device, so that the left and right adjustment of the cutter is finally realized, and the operation is simple and fast. Meanwhile, a user can also directly separate the left and right adjusting component and a plurality of mechanisms connected with the left and right adjusting component from the front and rear adjusting components, so that the left and right adjusting components can be more simply and quickly assembled and disassembled.

3. According to the utility model, after the left-right adjusting component and the mechanisms on the left-right adjusting component are separated from the front-rear adjusting component, the vertical plate II can be placed in the groove of the base, and the locking piece II can abut against the vertical plate II, so that a user can connect the left-right adjusting component to the grinding scissors bracket, and grinding of the scissors is realized. Thereby make this sharpedge grinding machine can realize the polishing function to more cutters.

4. The two fixing grooves can be used for fixing most of blades in different directions, and effective grinding of the blades is achieved through the grinding device. Correspondingly, the two end parts of the pressing plate respectively extend downwards into the two fixing grooves, so that the cutters in the two fixing grooves can be fixed.

5. According to the utility model, the position of the adjusting seat on the base is adjusted by the fact that the third fastening piece penetrates through different positions of the adjusting hole and the through hole. Meanwhile, when the user unscrews the third fastener, the user can rotate the adjusting seat in the transverse direction, so that the angle of the angle adjusting mechanism is changed, and the transverse angle of a cutter on a fixing device connected with the angle adjusting mechanism is further changed.

6. In the embodiment of the utility model, the grinding wheel is preferably annular, the outer annular surface and the outer end surface of the grinding wheel are used for grinding a cutter, and the inner ring is used for placing a cutter head of the cutter, so that the grinding wheel is suitable for a blade of a sewing machine.

Drawings

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

Fig. 2 is a schematic diagram of the back structure of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic structural diagram of the adjusting device and the fixing device.

Fig. 5 is a rear view of the adjustment device.

Fig. 6 is an exploded view of the adjustment device.

Reference numerals: 1-a polishing device; 2-a regulating device; 3-a fixing device; 4-a front and back adjustment assembly; 5-left and right adjustment assembly; 6-an angle adjusting mechanism; 7-a vertical plate I; 8-a base; 9-a groove; 10-locking piece two; 11-grinding the scissor bracket; 12-vertical plate II; 13-a base plate; 14-a mounting seat; 15-a screw rod; 16-a slider holder; 17-driving source two; 18-a stationary table; 19-a fixed groove; 20-pressing a plate; 21-fastener one; 22-a turning block; 23-an adjusting seat; 24-connecting blocks; 25-a rotating shaft; 26-locking member one; 27-a through hole; 28-a regulating hole; 29-a handle; 30-a chute; 31-a fixation hole; 32-fastener two; 33-a first driving source; 34-a grinding wheel; 35-protective cover.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, a knife sharpener comprises a base plate 13, a fixing device 3, an adjusting device 2 and a grinding device 1. Adjusting device 2 and grinding device 1 all set up on bottom plate 13, and adjusting device 2 sets up in one side of grinding device 1, and fixing device 3 sets up on adjusting device 2. Fixing device 3 is used for the fixed cutter, and adjusting device then is used for adjusting fixing device 3's position, and then adjusts the position of cutter, and grinding device 1 then is used for polishing the cutter on fixing device 3, realizes whetting a knife. The knife may be a blade of a sewing machine or a scissors, and in the embodiment, the knife is preferably a blade of a sewing machine.

As shown in fig. 4, the adjusting device 2 includes a distance adjusting mechanism for adjusting the horizontal position of the tool, generally front-back and left-right, and an angle adjusting mechanism 6. The distance adjusting mechanism comprises a front-back adjusting component 4 and a left-right adjusting component 5, and the front-back adjusting device 2 is arranged on the bottom plate 13. The left-right adjusting component 5 is detachably arranged on the front-back adjusting component 4, and the front-back adjusting component 4 drives the left-right adjusting component 5 to move back and forth. The angle adjusting mechanism 6 is arranged on the front and rear adjusting component 4, the left and right adjusting component 5 drives the angle adjusting mechanism 6 to move left and right, and the angle adjusting mechanism 6 is connected with the fixing device 3, so that the angle of a cutter on the fixing device 3 is adjusted.

As shown in FIG. 5, a first vertical plate 7 extending from left to right is formed on the front and rear adjusting component 4, and the left and right adjusting component 5 is arranged on the first vertical plate 7. Control adjusting part 5 includes base 8 and retaining member two 10, and the lower extreme shaping of base 8 is fluted 9, riser 7 sets up in recess 9, and the upper end is connected with regulation seat 23, and base 8 can along control about riser 7. The second locking member 10 is arranged on the base 8 and can move back and forth on the base 8. One end of the adjusting component extends into the groove 9 and can abut against the first vertical plate 7 to press and fix the first vertical plate 7 in the groove 9, so that the base 8 is connected with the first vertical plate 7, and the left and right adjusting components 5 are fixed on the front and rear adjusting components 4.

Thereby after the user unscrews retaining member two 10, can relax retaining member two 10 and to the compressing tightly of riser one 7, the user can remove about the removal adjusting part 5, and then drives about the angle adjustment mechanism 6 on the adjusting part 5, the fixing device 3 on the angle adjustment mechanism 6 to and the cutter on the fixing device 3, finally realize controlling the regulation to the cutter. Meanwhile, the user can also directly separate the left-right adjusting component 5 and a plurality of mechanisms connected with the left-right adjusting component 5 from the front-rear adjusting component 4, so that the left-right adjusting component 5 can be more simply and quickly assembled and disassembled.

When the user screws up retaining member two 10, the one end of retaining member two 10 supports and leans on riser one 7, and riser one 7 supports and leans on the inner wall of recess 9 again to realize being connected between base 8 and riser one 7 through pressure, and then realize right adjustment mechanism and adjust the fixed on subassembly 4 in the front and back.

Further, as shown in fig. 1, a grinding scissors bracket 11 is further disposed on one side of the bottom plate 13, and is located on the left and right sides of the bottom plate 13 together with the adjusting device 2, and is located on the front side of the grinding device 1. The shaping has two risers 12 on the scissors grinding support 11, after adjusting part 5 and several mechanisms on it separate from front and back adjusting part 4 about, two riser 12 can be placed in the recess 9 of base 8, retaining member two 10 can support and lean on two riser 12 to the user can be connected about adjusting part 5 on scissors grinding support 11, then fix the scissors on fixing device 3, later through certain angle transform and own scissors grinding support 11's position and orientation, make the edge of a knife of scissors can aim at grinding device 1, finally realize the polishing to the blade of scissors.

As shown in fig. 6, the fixing device 3 includes a fixing table 18 and a pressing plate 20. The fixing table 18 is connected to the adjusting device 2, and has a fixing groove 19 formed thereon for placing a cutter. The pressing plate 20 passes through the pressing plate 20 and the fixed platform 18 simultaneously through the first fastening piece 21, so as to realize detachable connection with the fixed platform 18. Wherein, the pressing plate 20 is at least partially arranged in the fixing groove 19, so that the cutter in the fixing groove 19 is pressed by the pressing plate 20, and the cutter is fixed.

The user only needs to screw out the first fastener 21, then puts the cutter into the fixed slot 19, the knife edge faces the grinding device 1, then inserts the first fastener 21, screws up the first fastener 21 gradually, finally compresses tightly the cutter, and realizes the fixing of cutter. When the cutter needs to be taken out, the first fastening piece 21 is screwed out, and the pressing of the cutter is released.

The number of the fixing grooves 19 is at least one, and as shown in fig. 6, two fixing grooves 19 are preferred in this embodiment, and two fixing grooves 19 can be used for fixing most of blades with different orientations, and then effective grinding of the blades is realized through the grinding device 1. Accordingly, the two ends of the pressing plate 20 extend downward into the two fixing grooves 19, so that the tools in the two fixing grooves 19 can be fixed.

As shown in fig. 5, a rotating block 22 is formed on the fixed table 18, the angle adjusting mechanism 6 comprises an adjusting seat 23 and a first locking member 26, the lower end of the adjusting seat 23 is connected with the left and right adjusting component 5, a connecting block 24 is formed at the upper end of the adjusting seat 23, the connecting block 24 and the rotating block 22 simultaneously penetrate through the rotating shaft 25, the connecting block 24 rotates around the rotating shaft 25 on the adjusting seat 23, and then the rotation of the cutter on the angle adjusting mechanism 6 is realized. A locking member 26 is inserted through the adjusting seat 23 to be movable back and forth, and has one end abutting against the rotating block 22, thereby fixing the rotating block 22 by pressure.

The first locking member 26 and the second locking member 10 can also adopt parts which can drive the parts to move back and forth, such as an air cylinder, an oil cylinder, an electric cylinder or a motor, and the like, so that automation is realized. And a locking handle can be adopted, manual adjustment is realized, the installation of a producer is convenient, and the cost is lower.

As shown in fig. 6, the number of the rotating blocks 22 is at least one, and preferably two in this embodiment, and the rotating blocks 22 are respectively located on the left and right sides of the lower surface of the fixed table 18, the number of the connecting blocks 24 is also two, and the rotating blocks 22 on the left and right sides are respectively located on the left and right sides of the adjusting seat 23, and the rotating blocks 22 on the left and right sides and the connecting blocks 24 are respectively connected through a rotating shaft 25. For the rotating block 22 and the connecting block 24 are connected through a single rotating shaft 25, and two sides of the rotating block are respectively connected through a rotating shaft 25, when one rotating shaft 25 is damaged or deformed, the rotating shaft 25 on the other side can still normally operate, so that the normal connection between the fixed platform 18 and the angle adjusting mechanism 6 is ensured, and the stability between the fixed platform 18 and the angle adjusting mechanism 6 is improved.

Further, as shown in fig. 5, a strip-shaped through hole 27 is further formed in the base 8, an adjusting hole 28 is formed in the adjusting seat 23, and a third fastening member penetrates through the adjusting hole 28 and the through hole 27 at different positions to adjust the position of the adjusting seat 23 on the base 8. Meanwhile, when the user unscrews the third fastener, the user can rotate the adjusting seat 23 in the transverse direction, so as to change the angle of the angle adjusting mechanism 6, and further change the transverse angle of the cutter on the fixing device 3 connected with the angle adjusting mechanism 6.

As shown in fig. 6, the front-rear adjusting assembly 4 includes a mounting seat 14, a lead screw 15, a slider bracket 16, and a second driving source 17. The mounting seat 14 is arranged on the bottom plate 13, and the screw rod 15 is rotatably arranged on the mounting seat 14. The sliding block support 16 is sleeved on the screw rod 15 and is connected with the left and right adjusting components 5, and the vertical plate I7 is formed on the sliding block support 16. The screw rod 15 and the sliding block bracket 16 are preferably in threaded connection, and the screw rod 15 rotates to drive the sliding bracket to move back and forth. The second driving source 17 is arranged on one side of the mounting seat 14 and connected with the screw rod 15, and the second driving source 17 drives the screw rod 15 to rotate. Finally, the second driving source 17 drives the screw rod 15 to rotate, the screw rod 15 rotates to drive the slider bracket 16 to move back and forth, the left and right adjusting assemblies 5, the angle adjusting mechanism 6 arranged on the left and right adjusting assemblies 5 and the cutter on the fixing device 3 connected to the angle adjusting mechanism 6 move back and forth along with the sliding bracket, and therefore the adjustment of the front and rear positions of the cutter is completed.

The second driving source 17 can be a motor or a manually adjustable handle, and the like, and in this embodiment, the handle is preferred, and a user can manually rotate the handle to rotate the screw rod 15. Scales can be added on the handle, so that the user can conveniently control and observe the handle.

Further, with reference to fig. 2 and 5, the bottom plate 13 is further provided with a long strip-shaped sliding groove 30, the lower surface of the mounting seat 14 is provided with a fixing hole 31, the mounting seat 14 can simultaneously penetrate through the fixing hole 31 and different positions of the sliding groove 30 through a second fastening member 32 to adjust the position of the mounting seat 14 on the bottom plate 13, so as to adjust the initial position of the front-rear adjusting assembly 4 on the bottom plate 13, finally adjust the initial positions of the several mechanisms connected thereto, and finally realize adjustment of the initial position of the cutter fixed on the fixing device 3.

As shown in fig. 3, the grinding device 1 includes a first driving source 33 and a grinding wheel 34. The first driving source 33 is preferably a motor in this embodiment, the first driving source 33 is disposed on the base plate 13, and the grinding wheel 34 is connected to the first driving source 33, and the driving source drives the grinding wheel 34 to rotate. So that grinding wheel 34 rotates the grinding tool when the tool is against grinding wheel 34.

As shown in fig. 3, the ordinary grinding wheel 34 is generally cylindrical, the blade of the sewing machine generally has a tool bit, and the cylindrical grinding wheel 34 cannot be used for placing the tool bit, so that the edge beside the tool bit cannot be ground. The grinding wheel 34 in this embodiment is preferably annular, with an outer annular surface and an outer end surface for grinding the tool, and an inner cavity formed therein for receiving a tool bit of the tool, i.e., an inner ring of the annular grinding wheel 34 for receiving a tool bit of the tool, thereby accommodating a blade of a sewing machine.

With reference to fig. 1 and 2, a protective cover 35 is further provided on the base plate 13, the protective cover 35 partially enclosing the polishing device 1, and preferably enclosing the first drive source 33. The upper end of the protective cover 35 is also provided with a handle 29, so that the knife sharpener can be carried by a user conveniently.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A knife sharpener comprises

A grinding device (1) for grinding a tool;

the adjusting device (2) is arranged on one side of the grinding device (1) and is used for adjusting the position of the cutter; and

the fixing device (3) is arranged on the adjusting device (2) and is used for fixing the cutter;

characterized in that said adjustment means (2) comprise:

the angle adjusting mechanism (6) is connected with the fixing device (3) and is used for adjusting the angle of the cutter;

the distance adjusting mechanism and the angle adjusting mechanism (6) are arranged, and the distance adjusting component drives the angle adjusting mechanism (6) to move.

2. The tool sharpener of claim 1, wherein: the angle adjustment mechanism (6) includes:

a rotating block (22) formed on the bottom surface of the fixing table (18) of the fixing device (3),

the adjusting seat (23) is provided with at least one connecting block (24), and a rotating shaft (25) penetrates between the connecting block (24) and the rotating block (22); and

a first locking member (26) arranged on the adjusting seat (23); when the end part of the first locking part acts on the rotating block (22), the rotating block (22) is fixed.

3. The tool sharpener of claim 2, wherein: the distance adjustment mechanism includes:

a fore-aft adjustment assembly (4);

the left and right adjusting component (5) is detachably arranged on the front and back adjusting component (4), and the front and back adjusting component (4) drives the left and right adjusting component (5) to move back and forth;

the angle adjusting mechanism (6) is connected with the left and right adjusting component (5), and the left and right adjusting component (5) drives the angle adjusting mechanism (6) to move left and right.

4. The tool sharpener of claim 3, wherein:

the left-right adjustment assembly (5) includes:

the first vertical plate is arranged from left to right;

the lower end of the base (8) is provided with a groove (9), the base (8) is arranged on a first vertical plate (7) through the groove (9), and the base (8) can move left and right along the first vertical plate (7);

a second locking member (10) which is arranged on the base (8) and one end of which is arranged in the groove (9); when the end of the locking element (10) acts on the first vertical plate (7), the first vertical plate (7) is pressed and fixed in the groove (9).

5. The tool sharpener of claim 4, wherein: a grinding scissors bracket (11) is further arranged on one side of the adjusting device (2), and the adjusting device (2) and the grinding scissors bracket (11) are both positioned on the front side of the grinding device (1);

wherein, it has two risers (12) to form on the scissors support (11) of mill, when controlling adjustment assembly (5) and separating in the front and back adjustment assembly (4), base (8) set up on two risers (12) through recess (9), retaining member two (10) can be used in on two risers (12), thereby will control adjustment assembly (5) and connect in on scissors support (11) of mill.

6. The tool sharpener of claim 5, wherein:

the fore-aft adjustment assembly (4) comprises:

a mounting seat (14);

a screw rod (15) rotatably arranged on the mounting seat (14);

the sliding block bracket (16) is sleeved on the screw rod (15); and

a second driving source (17) which is arranged on one side of the mounting seat (14) and is connected with the screw rod (15);

wherein the first vertical plate (7) is formed on the slider bracket (16); the second driving source (17) drives the screw rod (15) to rotate, and the screw rod (15) rotates to drive the sliding block support (16) to move back and forth.

7. The tool sharpener of any one of claims 1-6, wherein: the fixing device (3) comprises:

a fixed table (18) on which a fixed groove (19) for placing a cutter is formed; and

and the pressure plate (20) is detachably connected with the fixed table (18) through a first fastener (21) and is used for fixing the cutter.

8. The tool sharpener of claim 7, wherein: the number of the fixing grooves (19) is two; the two ends of the pressing plate (20) extend downwards into the two fixing grooves (19) respectively.

9. The tool sharpener of claim 4, wherein: the base (8) is further provided with a long-strip-shaped through hole (27), the adjusting seat (23) is formed with an adjusting hole (28), and the adjusting seat (23) is adjusted in position on the base (8) through the fasteners passing through different positions of the adjusting hole (28) and the through hole (27).

10. The tool sharpener of claim 1, wherein: the polishing device (1) comprises:

a first drive source (33);

the grinding wheel (34) is connected with the first driving source (33), and the first driving source (33) drives the grinding wheel (34) to rotate;

the grinding wheel (34) is annular, the outer annular surface and the outer end surface of the grinding wheel are used for grinding a cutter, and an inner cavity used for accommodating a cutter head of the cutter is formed in the grinding wheel (34).