CN211163164U

CN211163164U - Clamping and overturning device of knife grinder

Info

Publication number: CN211163164U
Application number: CN201922222980.0U
Authority: CN
Inventors: 黄艳萍; 周玉新
Original assignee: Beijing Baoniantang Heze Pharmaceutical Co ltd
Current assignee: Beijing Baoniantang Heze Pharmaceutical Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-04
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to the technical field of knife grinding devices, in particular to a knife grinder clamping turnover device, a transmission mechanism of the utility model drives a grinding mechanism to rotate through a power mechanism, and the side surface of a knife tool is ground through a rotating grinding wheel; the cutter is locked in the clamping block through a fastening bolt, and the clamping mechanism is moved by rotating the rotating wheel, so that the cutter is in contact with the grinding wheel, and the angle of the side edge of the grinding cutter is convenient to adjust; the handle is rotated upwards, so that the arc bevel angle of the limiting column is extruded, the compression spring of the limiting column is contracted inwards to the sliding groove opening, the handle is rotated continuously until the limiting column is inserted into the limiting groove opening on the other side again under the action of the spring force, the purpose of rotating the cutter by 180 degrees is achieved, the cutter does not need to be disassembled again, the cutter grinding efficiency is improved, the two-way side surfaces of the cutter are ground at the same clamping angle, the side edges of the cutter are ground consistently, and the service life of the cutter is effectively prolonged; the cutter is locked through the fastening bolt, so that the cutter is convenient to disassemble and assemble, and the working efficiency is improved.

Description

Clamping and overturning device of knife grinder

Technical Field

The utility model relates to a knife sharpening device technical field, concretely relates to knife sharpening machine clamping turning device.

Background

The sharpeners were originally called end face sharpeners and were mainly gantry-type in structure. Mainly aiming at enterprise users of mechanisms such as a sharpening center, forest industry, printing factories, papermaking plastics, book and periodical printing centers, medium-sized sharpening rooms and the like. The main types are: full-automatic sharpeners, precision sharpeners, numerically controlled sharpeners, woodworking sharpeners, special scraper sharpeners for scrapers, printing sharpeners, paper cutters, multi-functional sharpeners, dual-grinding-head sharpeners, circular-knife sharpeners, and the like. The knife sharpener is mainly used for grinding metal equipment such as turning tools, drill bits, milling cutters, gravers, computer engraving machines, engraving milling machines, machining centers, CNC (computerized numerical control) machines, carving machines, marking machines and the like.

The existing clamping device of the knife sharpener only can play a role in fixing the knife, when the knife needs to grind the bidirectional side edge, the knife needs to be taken down from the clamping device, and the knife needs to be rotated 180 degrees and then clamped and ground again, so that the clamping mode not only reduces the knife sharpening efficiency, but also has installation errors, so that the bidirectional side edge of the ground knife is inconsistent, and the service life of the knife is influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides a sharpedge grinding machine clamping turning device can overcome prior art effectively and exist when the cutter needs the two-way side sword of grinding, and the clamping cutter has reduced the problem of the efficiency of whetting a knife again, has still solved the two-way side sword nonconformity of cutter after the grinding, influences the life's of cutter problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a clamping and turning device of a knife sharpener comprises a base; the protective cover is mounted on the left side of the top of the base, the clamping mechanism is arranged at the left end of the top of the base, the power mechanism and the grinding mechanism are mounted in the protective cover, the clamping mechanism is matched with the grinding mechanism, and supporting legs are arranged at the lower end of the base;

the clamping mechanism comprises a telescopic rod, a fixed block, a rotating rod, a rotating disc and a clamping block, a sliding groove is formed in the right end of the top of the base, a threaded rod is installed in the sliding groove in a rotating mode, a moving block is connected to the threaded rod in a threaded mode, the upper end of the moving block is fixedly connected with the telescopic rod, the upper end of the telescopic rod is fixedly connected with the fixed block, the rotating disc is connected to the fixed block in a rotating mode, the rotating rod is fixedly connected to the rotating disc in the rotating mode, the fixed block extends out.

Furthermore, the fixed block front end is provided with the rotating groove mouth, the sliding groove mouth has been seted up to rolling disc front end bilateral symmetry, the spring is installed to sliding groove mouth bottom, spring other end rigid coupling has spacing post, fixed block front end week side is provided with the spacing notch with spacing post matched with.

Furthermore, the lower side of the left end of the limiting column on the left side is provided with an arc oblique angle, and the upper side of the right end of the limiting column on the right side is provided with an arc oblique angle.

Furthermore, the rear end of the clamping block is provided with a clamping notch, the right end of the clamping block is provided with a fastening bolt, and the fastening bolt is a flat-bottomed bolt.

Furthermore, a fixed block extends out of the front end of the rotating rod, and a rotating handle is fixedly connected to the front end of the rotating rod.

Furthermore, the right end of the threaded rod extends out of the base and is fixedly connected with a rotating wheel.

Furthermore, the power mechanism comprises a motor, a first rotating shaft, a driving wheel, a transmission belt and a driven wheel, the motor is installed at the upper end of the base, the output end of the motor is connected with the first rotating shaft, the left end of the first rotating shaft is fixedly connected with the driving wheel, and the driving wheel is connected with the driven wheel through the transmission belt.

Furthermore, grinding mechanism includes bracing piece, pivot and grinding wheel No. two, bracing piece lower extreme and base rigid coupling, the bracing piece is located the motor rear side, and the bracing piece upper end is rotated and is connected with the pivot No. two, No. two pivot left ends with from driving wheel rigid coupling, No. two pivot right-hand members extend right, wear out the protection casing to be connected with the grinding wheel.

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the transmission mechanism of the utility model drives the grinding mechanism to rotate through the power mechanism, and the side surface of the cutter is ground through the rotating grinding wheel; the cutter is locked in the clamping block through a fastening bolt, and the clamping mechanism is moved by rotating the rotating wheel, so that the cutter is in contact with the grinding wheel, and the angle of the side edge of the grinding cutter is convenient to adjust; the handle is rotated upwards, so that the arc bevel angle of the limiting column is extruded, the compression spring of the limiting column is contracted inwards to the sliding groove opening, the handle is rotated continuously until the limiting column is inserted into the limiting groove opening on the other side again under the action of the spring force, the purpose of rotating the cutter by 180 degrees is achieved, the cutter does not need to be disassembled again, the cutter grinding efficiency is improved, the two-way side surfaces of the cutter are ground at the same clamping angle, the side edges of the cutter are ground consistently, and the service life of the cutter is effectively prolonged; the grinding height of the cutter is adjusted through the telescopic rod, so that the adjusting efficiency is improved; the cutter is locked through the fastening bolt, so that the cutter is convenient to disassemble and assemble, and the working efficiency is improved; the power mechanism is arranged in the protective cover, so that the transmission mechanism is effectively protected from being polluted by dust, and the service life of the transmission mechanism is influenced.

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. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 3 is a schematic sectional view of the clamping mechanism of the present invention;

FIG. 4 is a schematic view of the front end sectional structure of the fixing block and the rotating disc of the present invention;

the reference numerals in the drawings denote: 1-base, 101-sliding groove, 102-threaded rod, 103-moving block, 104-rotating wheel, 2-protective cover, 3-clamping mechanism, 301-telescopic rod, 302-fixed block, 303-rotating rod, 304-rotating disc, 305-clamping block, 306-rotating notch, 307-sliding notch, 308-spring, 309-limiting column, 310-limiting notch, 311-clamping notch, 312-fastening bolt, 313-rotating handle, 4-power mechanism, 401-motor, 402-first rotating shaft, 403-driving wheel, 404-driving belt, 405-driven wheel, 5-grinding mechanism, 501-supporting rod, 502-second rotating shaft, 503-grinding wheel and 6-supporting foot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Referring to fig. 1 to 4, the clamping and turning device of the knife sharpener of the present embodiment includes a base 1; base 1 top left side is installed the protection casing 2, the left end is provided with clamping machine and constructs 3, install power unit 4 and grinding machine in the protection casing 2 and construct 5, protection casing 2 protection power unit 4 is not by dust pollution, guarantee power unit 4 life, it is specific, power unit 4 includes motor 401, a pivot 402, action wheel 403, drive belt 404 and follow driving wheel 405, motor 401 installs in base 1 upper end, motor 401 output is connected with pivot 402, pivot 402 left end rigid coupling has action wheel 403, initiative 403 is connected with from driving wheel 405 through drive belt 404. The grinding mechanism 5 comprises a supporting rod 501, a second rotating shaft 502 and a grinding wheel 503, the lower end of the supporting rod 501 is fixedly connected with the base 1, the supporting rod 501 is located on the rear side of the motor 401, the upper end of the supporting rod 501 is rotatably connected with the second rotating shaft 502, the left end of the second rotating shaft 502 is fixedly connected with the driven wheel 405, and the right end of the second rotating shaft 502 extends rightwards, penetrates out of the protective cover 2 and is connected with the grinding wheel 503. The clamping mechanism 3 is matched with the grinding mechanism 5, and the lower end of the base 1 is provided with a supporting leg 6.

Specifically, referring to fig. 1 to 4, the clamping mechanism 3 includes a telescopic rod 301, a fixed block 302, a rotating rod 303, a rotating disc 304 and a clamping block 305, the right end of the top of the base 1 is provided with a sliding groove 101, a threaded rod 102 is installed in the sliding groove 101 in a rotating manner, a moving block 103 is screwed on the threaded rod 102, the upper end of the moving block 103 is fixedly connected with the telescopic rod 301, the upper end of the telescopic rod 301 is fixedly connected with the fixed block 302, the fixed block 302 is connected with the rotating disc 304 in a rotating manner, the rotating disc 304 is fixedly connected with the rotating rod 303, the rear end of the rotating rod. The front end of the fixed block 302 is provided with a rotating notch 306, sliding notches 307 are symmetrically formed in the left side and the right side of the front end of the rotating disc 304, a spring 308 is installed at the bottom of each sliding notch 307, the other end of the spring 308 is fixedly connected with a limiting column 309, and the periphery of the front end of the fixed block 302 is provided with a limiting notch 310 matched with the limiting column 309. The lower side of the left end of the left limiting column 309 is provided with an arc oblique angle, and the upper side of the right end of the right limiting column 309 is provided with an arc oblique angle, so that the left limiting column can be conveniently retracted by pressure when rotating. Clamping notch 311 is opened at the rear end of clamping block 305, and clamping block 305 is provided with fastening bolt 312 at the right end, and fastening bolt 312 is a flat-bottomed bolt, and when compressing tightly the cutter, does not destroy the cutter side. The front end of the rotating rod 303 extends out of the fixing block 302, and the front end of the rotating rod 303 is fixedly connected with a rotating handle 313 which is convenient for rotating the cutter. The right end of the threaded rod 102 extends out of the base 1 and is fixedly connected with a rotating wheel 104, so that the threaded rod 102 can be conveniently rotated.

It should be noted that the model of the motor 401 used in this embodiment is Y90L-2 or other motors with the same function, and the model of the telescopic rod 301 is IP65 or other telescopic rods with the same function, and the utility model does not change the structure and principle, and therefore is not described in detail in the specification.

Referring to fig. 1 to 4, in the present embodiment, a tool is clamped into the clamping notch 311, and is locked by the fastening screw 312, so that the tool is fixed on the clamping block 305; starting a motor 401, wherein the motor 401 drives a first rotating shaft 402, so that a driving wheel 403 drives a driven wheel 405 to rotate through a transmission belt 404, and a second rotating shaft 502 drives a grinding wheel 503 to rotate; the rotating wheel 104 is manually rotated to enable the threaded rod 102 to rotate, the moving block 103 moves under the limitation of the sliding groove 101, and the clamping mechanism 3 is driven to move towards the direction of the grinding wheel 503 to grind one side of the cutter; after grinding is finished, the rotating wheel 104 is rotated reversely, the clamping mechanism 3 is far away from the grinding wheel 503, the rotating handle 313 is rotated upwards, the arc bevel angle of the limiting column 309 is extruded, the limiting column 309 pressing spring 308 is contracted towards the inside of the sliding notch 307, the rotating handle 313 is rotated continuously until the limiting column 309 is subjected to the elastic force of the spring 308 and is inserted into the limiting notch 310 on the other side again, and the cutter is rotated for 180 degrees; rotating the rotating wheel 104 again to grind the other side of the cutter; and after the grinding is finished, replacing the cutter.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A clamping and turning device of a knife sharpener comprises a base (1); the device is characterized in that a protective cover (2) is arranged on the left side of the top of the base (1), a clamping mechanism (3) is arranged at the left end of the top of the base, a power mechanism (4) and a grinding mechanism (5) are arranged in the protective cover (2), the clamping mechanism (3) is matched with the grinding mechanism (5), and a supporting leg (6) is arranged at the lower end of the base (1);

clamping mechanism (3) include telescopic link (301), fixed block (302), bull stick (303), rolling disc (304) and press from both sides tight piece (305), base (1) top right-hand member is provided with spout (101), threaded rod (102) are installed to spout (101) internal rotation, threaded rod (102) go up spiro union has movable block (103), movable block (103) upper end rigid coupling has telescopic link (301), telescopic link (301) upper end rigid coupling has fixed block (302), fixed block (302) internal rotation is connected with rolling disc (304), the inside rigid coupling of rolling disc (304) has bull stick (303), fixed block (302) are extended to bull stick (303) rear end to install and press from both sides tight piece (305).

2. The clamping and turning device of the knife sharpener according to claim 1, wherein a rotating notch (306) is formed in the front end of the fixing block (302), sliding notches (307) are symmetrically formed in the front end of the rotating disc (304) in a left-right mode, a spring (308) is installed at the bottom of each sliding notch (307), a limiting column (309) is fixedly connected to the other end of each spring (308), and a limiting notch (310) matched with the limiting column (309) is formed in the periphery of the front end of the fixing block (302).

3. The clamping and turning device of a knife sharpener according to claim 2, characterized in that the lower side of the left end of the limiting column (309) on the left side is provided with an arc bevel, and the upper side of the right end of the limiting column (309) on the right side is provided with an arc bevel.

4. The clamping and overturning device for the knife sharpener according to claim 1, wherein the clamping notch (311) is formed in the rear end of the clamping block (305), the fastening bolt (312) is arranged at the right end of the clamping block (305), and the fastening bolt (312) is a flat-bottomed bolt.

5. The clamping and turning device of the knife sharpener according to claim 1, wherein the front end of the rotating rod (303) extends out of the fixing block (302), and the front end of the rotating rod (303) is fixedly connected with a rotating handle (313).

6. The clamping and turning device of the knife sharpener as claimed in claim 1, wherein the right end of the threaded rod (102) extends out of the base (1) and is fixedly connected with a rotating wheel (104).

7. The clamping and turning device of the knife sharpener according to claim 1, wherein the power mechanism (4) comprises a motor (401), a first rotating shaft (402), a driving wheel (403), a transmission belt (404) and a driven wheel (405), the motor (401) is installed at the upper end of the base (1), the first rotating shaft (402) is connected to the output end of the motor (401), the driving wheel (403) is fixedly connected to the left end of the first rotating shaft (402), and the driving wheel (403) is connected with the driven wheel (405) through the transmission belt (404).

8. The clamping and turning device of the knife sharpener according to claim 7, wherein the grinding mechanism (5) comprises a support rod (501), a second rotating shaft (502) and a grinding wheel (503), the lower end of the support rod (501) is fixedly connected with the base (1), the support rod (501) is located on the rear side of the motor (401), the upper end of the support rod (501) is rotatably connected with the second rotating shaft (502), the left end of the second rotating shaft (502) is fixedly connected with the driven wheel (405), and the right end of the second rotating shaft (502) extends rightwards, penetrates out of the protective cover (2) and is connected with the grinding wheel (503).