CN113843665A

CN113843665A - Two-sided equipment of whetting a knife simultaneously

Info

Publication number: CN113843665A
Application number: CN202110947124.0A
Authority: CN
Inventors: 李武建
Original assignee: Yuyao Norton Electric Co ltd
Current assignee: Yuyao Norton Electric Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-28

Abstract

The invention discloses a double-sided simultaneous knife sharpening device, aiming at providing a double-sided simultaneous knife sharpening device with simple structure and good knife sharpening effect, comprising: the tool sharpener comprises a shell, wherein the shell is provided with a sharpener mechanism, the sharpener mechanism comprises a motor, a first sharpener and a second sharpener, the motor is in transmission connection with the first sharpener and the second sharpener, the first sharpener and the second sharpener are coaxially arranged through a rotating shaft, and the rotating shaft is inclined to a tool to be ground; the first knife sharpener comprises a first knife sharpening surface which is obliquely arranged with the rotating shaft, the second knife sharpener comprises a second knife sharpening surface which is obliquely arranged with the rotating shaft, the inclination angles of the first knife sharpening surface and the second knife sharpening surface are the same as that of the rotating shaft, the first knife sharpening surface and the second knife sharpening surface respectively abut against two side surfaces of the tool to be sharpened, and the abutting surfaces of the first knife sharpening surface and the tool to be sharpened and the abutting surfaces of the second knife sharpening surface and the tool to be sharpened are arranged in a staggered manner; the invention relates to the technical field of polishing equipment.

Description

Two-sided equipment of whetting a knife simultaneously

Technical Field

The invention relates to the technical field of grinding equipment, in particular to double-face simultaneous grinding equipment.

Background

The knife sharpener is used for sharpening various tools such as kitchen knives and scissors, has played fine control to the uniformity and the stability of cutter quality, and the prior knife sharpener has replaced manual sharpening for a long time, thereby realizing full-automatic sharpening. Traditional sharpedge grinding machine generally sets up two individual sharpeners, forms the sharpening region who is used for whetting a knife between two sharpeners, when treating that the knife inserts the region of whetting a knife, treats that the horizontal line direction of grinding the knife is relative both sides receive sharpening of sharpener simultaneously, when whetting a knife regional with treat that the clearance between the knife is great, treat the surperficial contactless of grinding both sides and sharpener of knife, can't realize whetting a knife, use experience relatively poor.

Therefore, the double-side knife sharpening device capable of reducing the knife sharpening area appears in the prior art, the knife sharpeners are arranged in a staggered mode in the front and back mode through two blades, the knife sharpening area formed between the two knife sharpeners is effectively reduced, a better polishing effect is obtained, however, the structural design leads the two knife sharpeners to be respectively connected with the power mechanism, and the structure is complex and the manufacturing cost is high.

Disclosure of Invention

Aiming at the defects of the prior art, the double-side simultaneous sharpening equipment with simple structure and good sharpening effect is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a dual-sided simultaneous sharpening apparatus comprising: the tool sharpener comprises a shell, wherein the shell is provided with a sharpener mechanism, the sharpener mechanism comprises a motor, a first sharpener and a second sharpener, the motor is in transmission connection with the first sharpener and the second sharpener, the first sharpener and the second sharpener are coaxially arranged through a rotating shaft, and the rotating shaft is inclined to a tool to be ground;

the first sharpener comprises a first sharpening face which is obliquely arranged with the rotating shaft, the second sharpener comprises a second sharpening face which is obliquely arranged with the rotating shaft, the first sharpening face and the second sharpening face are the same as the oblique angle of the rotating shaft, the first sharpening face and the second sharpening face respectively offset with two side faces of the tool to be sharpened, and the first sharpening face and the butt face of the tool to be sharpened are staggered with each other.

After the structure is adopted, compared with the prior art, the double-sided simultaneous knife sharpening equipment has the following advantages: the output end of the motor is connected with a first knife sharpener and a second knife sharpener, the first knife sharpener and the second knife sharpener are coaxially arranged, and a rotating shaft of the first knife sharpener and a rotating shaft of the second knife sharpener are obliquely arranged with a tool to be ground; the opposite first sharpening surface and the second sharpening surface are respectively arranged in an inclined manner on the rotating shaft, and the inclination angles are the same, so that when sharpening is performed, the first sharpening surface and the second sharpening surface respectively abut against two side surfaces of the tool to be sharpened, the abutting surface of the first sharpening surface and the tool to be sharpened and the abutting surface of the second sharpening surface and the tool to be sharpened are arranged in a staggered manner, a gap which is close to 0 and is matched with the tool to be sharpened is formed between the two sharpening surfaces, the sharpening effect of the tool to be sharpened can be improved, and the sharpening time is shortened; the first knife sharpener and the second knife sharpener which are coaxially driven by a single motor and have rotating shafts inclined with the tool to be ground are adopted, so that the structure is simple and reliable, the manufacturing cost is relatively low, and the competitiveness of products is favorably improved.

As an improvement of the present invention, the first sharpening surface of the first sharpener and the second sharpening surface of the second sharpener are respectively disposed obliquely outward from the center. According to the improvement, the first knife sharpener and the second knife sharpener are symmetrically arranged on the structure, so that the attaching effect of the first knife sharpening surface and the second knife sharpening surface to the surface of the tool to be sharpened is improved, and the knife sharpening effect is further improved; in addition, the first knife sharpener and the second knife sharpener which are of symmetrical structures also have the characteristic of improving the applicability.

As an improvement of the invention, a first knife grinding surface on a first knife grinder positioned on one side of a rotating shaft is matched with one side surface of a tool to be ground, and a second knife grinding surface on a second knife grinder positioned on the other side of the rotating shaft is matched with the other side surface of the tool to be ground. When the tool sharpener is used, the left side of a tool to be sharpened is matched with a first sharpening surface at the upper end of a rotating shaft of a first sharpener, and the right side of the tool to be sharpened is matched with a second sharpening surface at the lower end of a rotating shaft of a second sharpener, so that the structure is stable and reliable in matching and the service life is long; in addition, the method has the characteristic of convenient production and manufacture.

As an improvement of the present invention, an output end of the motor is connected with a rotating shaft, mounting seats are respectively arranged between the first knife sharpener and the rotating shaft, the knife sharpeners are fixed on the mounting seats, square holes are formed on the mounting seats, a connecting section matched with the square holes is arranged on the rotating shaft, and the mounting seats are axially slidably connected to the rotating shaft. Above-mentioned improvement for first sharpener and second sharpener can obtain suitable clearance with the cooperation according to treating the grinding tool size when with treating the grinding tool cooperation, have promoted the suitability, lead to the cutter to damage when avoiding unreasonable clearance and treating the grinding tool cooperation

As an improvement of the invention, the rotating shaft is provided with a preload piece which can axially extend and retract along the rotating shaft, one end of the axial extension and retraction is fixed or abutted on the rotating shaft, or acts on any abutting piece arranged on the rotating shaft, and the other end of the axial extension and retraction of the preload piece acts on the mounting seat. According to the improvement, when the pre-tightening tool is used, the pre-tightening force can be given to the first knife sharpener and the second knife sharpener, the first knife sharpener and the second knife sharpener always have the tendency of being close to each other, so that gaps which are close to zero or even negative gaps can be obtained between the first knife sharpening surface and the abutting surface of the tool to be ground and between the second knife sharpening surface and the abutting surface of the tool to be ground, and the grinding effect of the tool to be ground is improved; on the other hand, when whetting a knife, the pretensioning piece can tightly support first face and the second face of whetting a knife on treating the grinding tool, has further promoted the effect of whetting a knife and has whetted a knife efficiency.

As an improvement of the invention, a bearing assembly matched with the rotating shaft is connected to the casing, and one end of the preload piece, which is axially telescopic, abuts against the bearing assembly. The improvement ensures reasonable structural layout and high reliability.

As an improvement of the invention, the shell is provided with a notch through which a tool to be ground passes and enters between the first grinding surface and the second grinding surface. Make the notch crisscross setting in the position with the region of whetting a knife when setting up the notch, when the user whets a knife, will treat to grind the cutter and insert in the notch, can realize treating to grind the cutter and grind the cooperation of face and the second face of whetting a knife, convenience of customers' use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

FIG. 3 is a schematic view of the first sharpener and the second sharpener of the present invention.

FIG. 4 is a schematic view of the first and second sharpeners of the invention.

Fig. 5 is a schematic sectional view taken along line a-a in fig. 4 according to the present invention.

Fig. 6 is a schematic diagram of an embodiment of the present invention.

Shown in the figure: 1. a housing; 2. a motor; 3. a first sharpener; 3.1, a first grinding surface; 4. a second sharpener; 4.1, a second grinding surface; 5. a notch; 6. a tool to be ground; 7. a rotating shaft; 8. a mounting seat; 9. pre-tightening piece; 10. a bearing assembly.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

Referring to fig. 1-6, a dual-side simultaneous sharpening apparatus includes: the grinding device comprises a machine shell 1, wherein the machine shell 1 is provided with a grinding mechanism, the grinding mechanism comprises a motor 2, a first grinder 3 and a second grinder 4, the motor 2 is in transmission connection with the first grinder 3 and the second grinder 4, the first grinder 3 and the second grinder 4 are coaxially arranged through a rotating shaft 7, and the rotating shaft 7 is inclined to a tool 6 to be ground;

first sharpener 3 includes the first knife face 3.1 that sets up with the slope of rotation axis 7, second sharpener 4 includes the second knife face 4.1 that sets up with the slope of rotation axis 7, and first knife face 3.1 and second knife face 4.1 are the same with the inclination of rotation axis 7, first knife face 3.1 and second knife face 4.1 are ground respectively with two sides offsets of waiting to grind cutter 6, and first knife face 3.1 and the butt face of waiting to grind cutter 6 and second knife face 4.1 and the butt face of waiting to grind cutter 6 set up by mistake mutually.

Referring to fig. 5, the left dotted line is an extension line of the second grinding surface 4.1, the right dotted line is an extension line of the first grinding surface 3.1, and the fit clearance between the first grinding surface and the tool to be ground 6 is a negative clearance.

After the structure is adopted, compared with the prior art, the double-sided simultaneous knife sharpening equipment has the following advantages: the output end of the motor 2 is connected with a first sharpener 3 and a second sharpener 4, the first sharpener 3 and the second sharpener 4 are coaxially arranged, and a rotating shaft 7 of the first sharpener 3 and a rotating shaft 7 of the second sharpener 4 are obliquely arranged with a tool 6 to be ground; the opposite first knife grinding surface 3.1 and the second knife grinding surface 4.1 are respectively arranged obliquely to the rotating shaft 7, and the inclination angles are the same, so that when in knife grinding, the first knife grinding surface 3.1 and the second knife grinding surface 4.1 are respectively abutted against two side surfaces of the tool 6 to be ground, the abutting surface of the first knife grinding surface 3.1 and the tool 6 to be ground and the abutting surface of the second knife grinding surface 4.1 and the tool 6 to be ground are arranged in a staggered mode, a gap which is close to zero or even negative and is matched with the tool 6 to be ground is formed between the first knife grinding surface 3.1 and the second knife grinding surface 4.1, the knife grinding effect of the tool 6 to be ground can be improved, and the knife grinding time is reduced; the first sharpener 3 and the second sharpener 4 which are coaxial and have the rotating shaft 7 inclined with the tool 6 to be ground are driven by a single motor 2, so that the structure is simple and reliable, the manufacturing cost is relatively low, and the competitiveness of products is promoted.

As a modification of the present invention, the first knife sharpening surface 3.1 of the first knife sharpener 3 and the second knife sharpening surface 4.1 of the second knife sharpener 4 are respectively arranged obliquely outward from the center. According to the improvement, the first knife sharpener 3 and the second knife sharpener 4 are symmetrically arranged on the structure, so that the attaching effect of the first knife sharpening surface 3.1 and the second knife sharpening surface 4.1 on the surface of the tool to be sharpened 6 is improved, and the knife sharpening effect is further improved; in addition, the first sharpener 3 and the second sharpener 4 which are symmetrically structured have the characteristic of improving the applicability.

As an improvement of the present invention, a first blade grinding surface 3.1 of the first blade sharpener 3 located on one side of the rotating shaft 7 is fitted to one side surface of the tool 6 to be ground, and a second blade grinding surface 4.1 of the second blade sharpener 4 located on the other side of the rotating shaft 7 is fitted to the other side surface of the tool 6 to be ground. When the tool sharpener is used, the left side of the tool to be sharpened 6 is matched with a first sharpening surface 3.1 at the upper end of a rotating shaft 7 of the first sharpener 3, and the right side of the tool to be sharpened 6 is matched with a second sharpening surface 4.1 at the lower end of the rotating shaft 7 of the second sharpener 4, so that the structure is stable and reliable in matching and long in service life; in addition, the method has the characteristic of convenient production and manufacture.

As an improvement of the present invention, an output end of the motor 2 is connected with a rotating shaft 7, mounting seats 8 are respectively arranged between the first knife sharpener 3 and the rotating shaft 7 and between the second knife sharpener 4 and the rotating shaft 7, the knife sharpeners are fixed on the mounting seats 8, square holes are formed on the mounting seats 8, a connecting section matched with the square holes is arranged on the rotating shaft 7, and the mounting seats 8 can be axially slidably connected to the rotating shaft 7. Above-mentioned improvement for first sharpener 3 and second sharpener 4 can obtain suitable clearance with the cooperation according to treating 6 sizes of grinding tool when with treating 6 cooperations of grinding tool, have promoted the suitability, avoid unreasonable clearance with treat that the cooperation of grinding tool leads to the cutter to damage when 6 cooperations of grinding tool.

As a modification of the invention, the rotating shaft 7 is provided with a preload member 9 which can axially extend and retract along the rotating shaft 7, one end of the axial extension and retraction is fixed or abutted on the rotating shaft 7, or acts on any abutting member arranged on the rotating shaft 7, and the other end of the axial extension and retraction of the preload member 9 acts on the mounting seat 8. According to the improvement, when the pre-tightening piece 9 is used, pre-tightening force can be given to the first knife sharpener 3 and the second knife sharpener 4, the first knife sharpener 3 and the second knife sharpener 4 always have the tendency of being close to each other, gaps which are close to zero and even negative gaps can be obtained between the first knife sharpening surface 3.1 and the abutting surface of the tool 6 to be sharpened and between the second knife sharpening surface 4.1 and the abutting surface of the tool 6 to be sharpened, and the sharpening effect of the tool 6 to be sharpened is improved; on the other hand, when whetting a knife, the preload part 9 can tightly support the first knife grinding surface 3.1 and the second knife grinding surface 4.1 on the tool 6 to be sharpened, thereby further improving the knife sharpening effect and the knife sharpening efficiency.

As a modification of the present invention, a bearing assembly 10 is connected to the housing 1 to cooperate with the rotating shaft 7, and one end of the preload member 9, which is axially extended and retracted, abuts against the bearing assembly 10. The improvement ensures reasonable structural layout and high reliability.

As an improvement of the present invention, a notch 5 is formed in the housing 1 for allowing a tool 6 to be ground to pass through and enter between the first grinding surface 3.1 and the second grinding surface 4.1. Make notch 5 crisscross setting with the region of whetting a knife in the position when setting up notch 5, when the user whetted a knife, will treat to grind 6 inserts in notch 5 of cutter, can realize treating to grind 6 cooperation of cutter and first knife face 3.1 and the second knife face 4.1 of grinding, convenience of customers' use.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A two-sided simultaneous equipment of whetting a knife, its characterized in that includes: the grinding device comprises a machine shell (1), wherein the machine shell (1) is provided with a grinding mechanism, the grinding mechanism comprises a motor (2), a first grinder (3) and a second grinder (4), the motor (2) is in transmission connection with the first grinder (3) and the second grinder (4), the first grinder (3) and the second grinder (4) are coaxially arranged through a rotating shaft (7), and the rotating shaft is inclined to a tool (6) to be ground;

first sharpener (3) include with first knife grinding face (3.1) that rotation axis (7) slope set up, second sharpener (4) include with second knife grinding face (4.1) that rotation axis (7) slope set up, and first knife grinding face (3.1) and second knife grinding face (4.1) are the same with the inclination of rotation axis, first knife grinding face (3.1) and second knife grinding face (4.1) offset with two sides of waiting to grind cutter (6) respectively, and first knife grinding face (3.1) and the butt face of waiting to grind cutter (6) and second knife grinding face (4.1) and the butt face of waiting to grind cutter (6) set up in the wrong mutually.

2. The two-sided simultaneous sharpening apparatus as defined in claim 1, wherein: the first knife sharpener (3.1) on the first knife sharpener (3) and the second knife sharpener (4.1) on the second knife sharpener (4) are respectively arranged in a manner of inclining outwards from the center.

3. The two-sided simultaneous sharpening apparatus as defined in claim 1, wherein: a first knife grinding surface (3.1) on the first knife sharpener (3) positioned on one side of the rotating shaft (7) is matched with one side surface of the tool to be ground (6), and a second knife grinding surface (4.1) on the second knife sharpener (4) positioned on the other side of the rotating shaft (7) is matched with the other side surface of the tool to be ground (6).

4. The two-sided simultaneous sharpening apparatus as defined in claim 1, wherein: the output of motor (2) is connected with pivot (7), be provided with mount pad (8) between first sharpener (3) and second sharpener (4) and pivot (7) respectively, the sharpener is fixed on mount pad (8), the square hole has been seted up on mount pad (8), be provided with on pivot (7) with square hole complex linkage segment, but mount pad (8) endwise slip connect in pivot (7).

5. The two-sided simultaneous sharpening apparatus as defined in claim 4, wherein: the rotating shaft (7) is provided with a pre-tightening piece (9) capable of axially stretching along the rotating shaft (7), one end of the axial stretching is fixed or is propped against the rotating shaft (7), or acts on any propping piece arranged on the rotating shaft (7), and the other end of the axial stretching of the pre-tightening piece (9) acts on the mounting seat (8).

6. A two-sided simultaneous sharpening apparatus as claimed in claim 5, wherein: the machine shell (1) is connected with a bearing assembly (10) matched with the rotating shaft (7), and one end of the preload piece (9) which stretches axially abuts against the bearing assembly (10).

7. The two-sided simultaneous sharpening apparatus as defined in claim 1, wherein: the machine shell (1) is provided with a notch (5) for a tool to be ground (6) to pass through and enter between the first grinding surface (3.1) and the second grinding surface (4.1).