CN220902707U

CN220902707U - Adjustable knife grinder

Info

Publication number: CN220902707U
Application number: CN202322396283.3U
Authority: CN
Inventors: 张国瑞
Original assignee: Chongqing Xijifu Knife Co ltd
Current assignee: Chongqing Xijifu Knife Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-05-07
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the field of knife sharpeners, in particular to an adjustable knife sharpeners. The belt winding device comprises a motor, a driving wheel, a belt, a driven wheel, a winding roller, a coarse abrasive belt, a fine abrasive belt, a fixed seat, a frame and two winding assemblies which are respectively used for winding the coarse abrasive belt and the fine abrasive belt; the adjustable knife grinder also comprises two groups of adjustable tensioning assemblies which respectively tension and adjust the coarse abrasive belt and the fine abrasive belt by adjusting the positions of the two driven rollers; the adjustable tensioning assembly comprises a T-shaped plate, a threaded knob, a rocking handle, a mounting seat, a spring, a connecting rod a and a connecting rod b, wherein the driven roller is rotationally arranged on the T-shaped plate, the T-shaped plate is rotationally arranged on the mounting seat, the threaded knob is in threaded connection with the mounting seat and the end part of the threaded knob is in butt joint with the T-shaped plate, the position of the threaded knob in butt joint with the T-shaped plate is located between a rotating central shaft of the T-shaped plate and the motor, the mounting seat is rotationally arranged on the fixing seat, and two ends of the spring are respectively connected with the connecting rod a and the connecting rod b. The utility model can facilitate the disassembly and assembly of the abrasive belt.

Description

Adjustable knife grinder

Technical Field

The utility model relates to the field of knife sharpeners, in particular to an adjustable knife sharpeners.

Background

After the household knife or other knives are used for a long time, the cutting edge can become blunt, the knife needs to be sharpened by using the knife sharpening stone, but for the mode of sharpening by simply using the knife sharpening stone, the knife is completely manually operated, and the knife is manually moved back and forth to scratch the knife on the knife sharpening stone, so that the sharpening efficiency is low.

For some knife grinders that drive the action wheel through the motor, the action wheel passes through the belt and drives from the driving wheel rotation, then drives coarse abrasive band and fine abrasive band respectively through action wheel and follow the driving wheel in order to polish to the cutter, because the abrasive band is after long-term use, the effect of polishing reduces, needs to change, and to current knife grinder, need tear down the part of winding abrasive band just can lift off the abrasive band, when changing new abrasive band, need winding abrasive band earlier and then fix, the dismouting of abrasive band is inconvenient.

Disclosure of utility model

The utility model aims to solve the problems in the background technology and provides an adjustable knife grinder capable of conveniently disassembling and assembling abrasive belts.

The technical scheme includes that the adjustable knife grinder comprises a motor, a driving wheel, a belt, a driven wheel, a winding roller, a coarse sand belt, a fine sand belt, a fixed seat, a frame and two winding assemblies respectively used for winding the coarse sand belt and the fine sand belt, wherein the winding assemblies comprise driven rollers and supporting tables, the motor is arranged on the fixed seat, the motor is in driving connection with the driving wheel, the driving wheel is connected with the driven wheel through the belt, the driven wheel is arranged on the winding roller, the winding roller is rotatably arranged on the fixed seat, the coarse sand belt is wound on the driving wheel and one driven roller, the fine sand belt is wound on the winding roller and the other driven roller, the two supporting tables are respectively supported on the inner sides of the coarse sand belt and the fine sand belt, and the fixed seat is arranged on the frame.

The adjustable knife grinder also comprises two groups of adjustable tensioning assemblies which respectively tension and adjust the coarse abrasive belt and the fine abrasive belt by adjusting the positions of the two driven rollers; the adjustable tensioning assembly comprises a T-shaped plate, a threaded knob, a rocking handle, a mounting seat, a spring, a connecting rod a and a connecting rod b, wherein the driven roller is rotationally arranged on the T-shaped plate, the T-shaped plate is rotationally arranged on the mounting seat, the threaded knob is in threaded connection with the mounting seat and the end part of the threaded knob is in butt joint with the T-shaped plate, the position of the threaded knob in the T-shaped plate is located between a central rotating shaft of the T-shaped plate and a motor, the rocking handle is connected with the mounting seat, the mounting seat is rotationally arranged on a fixing seat, two ends of the spring are respectively connected with the connecting rod a and the connecting rod b, and the connecting rod a and the connecting rod b are respectively arranged on the mounting seat and the fixing seat.

Preferably, the novel anti-theft device further comprises a cap nut a, a hinge bolt, a bushing, a screw rod and a cap nut b, wherein the hinge bolt penetrates through the T-shaped plate and the mounting seat, the end portion of the hinge bolt is in threaded connection with the cap nut a, the screw rod is arranged on the inner side of the bushing, the end portion of the screw rod is connected with the T-shaped plate, and the screw rod penetrates through the mounting seat, and the end portion of the screw rod is in threaded connection with the cap nut b.

Preferably, the hinge bolt is in threaded connection with a fastening nut a, and the fastening nut a is positioned between the cover-shaped nut a and the mounting seat; the screw rod is in threaded connection with a fastening nut b, and the fastening nut b is positioned between the cover nut b and the mounting seat.

Preferably, the winding roller is in driving connection with a grinding wheel.

Preferably, the frame is provided with a grinding wheel motor, and the grinding wheel motor is in driving connection with a plane grinding wheel.

Preferably, still include water pump, water pipe, spray pipe and support, the water pump sets up in the frame, and water pump, water pipe and spray pipe communicate in proper order, and the spray pipe sets up on the support, and the support setting is on the fixing base, and the horizontal one end in frame top is provided with the basin of indent.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model can facilitate the disassembly and assembly of the abrasive belt, and can promote the tensioning effect and the tension balance of the abrasive belt, so that the tension balance of the abrasive belt can be realized everywhere, and the abrasive belt can be fully tensioned, thereby ensuring the polishing effect on the cutter at the supporting table.

Drawings

FIG. 1 is a schematic view of the front view of an embodiment of the present utility model;

FIG. 2 is a schematic view of the rear view of the embodiment of the present utility model;

fig. 3 is a schematic diagram of the principle of adjustment of the idler belt tensioning.

Reference numerals: 1. a motor; 2. a driving wheel; 3. a belt; 4. driven wheel; 5. a winding roller; 61. coarse abrasive belt; 62. a fine abrasive belt; 7. driven roller; 8. a support table; 9. a T-shaped plate; 10. a cap nut a; 101. a fastening nut a; 102. a hinge bolt; 11. a threaded knob; 12. a bushing; 13. a cap nut b; 131. a fastening nut b; 14. a rocking handle; 15. a mounting base; 16. a spring; 161. a connecting rod a; 162. a connecting rod b; 17. a fixing seat; 18. grinding wheel; 19. a grinding wheel motor; 20. a plane grinding wheel; 21. a water pump; 22. a water pipe; 23. a water spray pipe; 24. a frame; 241. a water tank.

Detailed Description

Example 1

As shown in fig. 1-3, an adjustable knife grinder provided in this embodiment includes a motor 1, a driving wheel 2, a belt 3, a driven wheel 4, a winding roller 5, a coarse sand belt 61, a fine sand belt 62, a fixing base 17, a frame 24, and two winding assemblies for winding the coarse sand belt 61 and the fine sand belt 62, wherein the winding assemblies include a driven roller 7 and a supporting table 8, the motor 1 is disposed on the fixing base 17, the motor 1 is in driving connection with the driving wheel 2, the driving wheel 2 is connected with the driven wheel 4 through the belt 3, the driven wheel 4 is disposed on the winding roller 5, the winding roller 5 is rotatably disposed on the fixing base 17, the coarse sand belt 61 is wound on the driving wheel 2 and one driven roller 7, the fine sand belt 62 is wound on the winding roller 5 and the other driven roller 7, the two supporting tables 8 are supported on the inner sides of the coarse sand belt 61 and the fine sand belt 62, and the fixing base 17 is disposed on the frame 24. The motor 1 can drive the driving wheel 2 to rotate, the driving wheel 2 drives the driven wheel 4 to rotate through the belt 3, and the driven wheel 4 drives the winding roller 5 to rotate; the driving wheel 2 and the winding roller 5 drive the coarse sand belt 61 and the fine sand belt 62 to move, respectively.

The adjustable knife grinder also comprises two groups of adjustable tensioning assemblies which respectively carry out tensioning adjustment on the coarse sand belt 61 and the fine sand belt 62 by adjusting the positions of the two driven rollers 7.

The adjustable tensioning assembly comprises a T-shaped plate 9, a threaded knob 11, a rocking handle 14, a mounting seat 15, a spring 16, a connecting rod a161 and a connecting rod b162, wherein the driven roller 7 is rotationally arranged on the T-shaped plate 9, the T-shaped plate 9 is rotationally arranged on the mounting seat 15, the threaded knob 11 is in threaded connection with the mounting seat 15 and the end part of the threaded knob is abutted on the T-shaped plate 9, the position of the threaded knob 11, which is abutted on the T-shaped plate 9, is between a rotation central shaft of the T-shaped plate 9 and the motor 1, the rocking handle 14 is connected with the mounting seat 15, the mounting seat 15 is rotationally arranged on the fixed seat 17, two ends of the spring 16 are respectively connected with the connecting rod a161 and the connecting rod b162, and the connecting rod a161 and the connecting rod b162 are respectively arranged on the mounting seat 15 and the fixed seat 17.

The abrasive belt can be conveniently disassembled and assembled by the aid of the embodiment. When the abrasive belt needs to be dismounted, the rocking handle 14 is pressed downwards, the rocking handle 14 drives the installation seat 15 to rotate downwards, the spring 16 is stretched, the driven roller 7 moves inwards, the abrasive belt becomes loose, and the abrasive belt can be conveniently dismounted at the moment. When the abrasive belt is required to be installed, the rocking handle 14 can be pressed down to move the driven roller 7 inwards, then the coarse abrasive belt 61 is sleeved on the driving wheel 2 and the driven roller 7, or the fine abrasive belt 62 is sleeved on the winding roller 5 and the driven roller 7, and then the rocking handle 14 is loosened, and the elastic force of the spring 16 is utilized to enable the driven roller 7 to tighten the abrasive belt.

The sanding belt is divided in the width direction into a front half and a rear half, the front half being distributed outwards and the rear half being distributed by the fixing seat 17. The two parts of the sanding belt often cannot be fully tensioned due to different tensions, and in order to further promote the tensioning effect and tension balance of the sanding belt, the threaded knob 11 is rotated, and the position where the threaded knob 11 pushes the driven roller 7 away is adjusted. The specific adjusting process is as follows:

When the tension of the front half part of the abrasive belt is insufficient, the threaded knob 11 is made to push the T-shaped plate 9 forwards, and the T-shaped plate 9 drives the driven roller 7 to swing rightwards by a certain angle, so that the tension of the front half part of the abrasive belt can be supplemented.

When the tension of the rear half part of the abrasive belt is insufficient, the threaded knob 11 is rotated back, and the driven roller 7 swings leftwards by a certain angle under the action of the elasticity of the spring 16, so that the rear end of the abrasive belt is stressed, and the tension of the rear half part of the abrasive belt is made up.

Example two

As shown in fig. 1-3, in comparison with the first embodiment, the adjustable knife sharpener according to the present embodiment further includes a cap nut a10, a hinge bolt 102, a bushing 12, a screw and a cap nut b13, wherein the hinge bolt 102 passes through the T-shaped plate 9 and the mounting seat 15, and the end portion of the hinge bolt is in threaded connection with the cap nut a 10. The T-shaped plate 9 can rotate on the mounting seat 15 through the hinge bolt 102, the hinge bolt 102 is in threaded connection with the fastening nut a101, and the fastening nut a101 is positioned between the cap nut a10 and the mounting seat 15, so that the cap nut a10 is prevented from loosening.

The screw rod is arranged on the inner side of the bushing 12, the end part of the screw rod is connected with the T-shaped plate 9, the screw rod passes through the mounting seat 15, the end part of the screw rod is in threaded connection with the cap nut b13, and the mounting seat 15 can rotate on the fixed seat 17 through the screw rod. The screw is in threaded connection with a fastening nut b131, and the fastening nut b131 is positioned between the cover nut b13 and the mounting seat 15, so that the cover nut b13 is prevented from loosening.

Example III

As shown in fig. 1-3, in the present embodiment, compared with the first embodiment, the grinding wheel 18 is connected to the winding roller 5 in a transmission manner, so that the cutter or other metals can be polished. The frame 24 is provided with a grinding wheel motor 19, the grinding wheel motor 19 is in driving connection with a plane grinding wheel 20, and the plane grinding wheel 20 can grind a tool face.

Example IV

As shown in fig. 1-3, in this embodiment, compared with the first embodiment, the adjustable knife grinder further includes a water pump 21, a water pipe 22, a water spray pipe 23, and a bracket, wherein the water pump 21 is disposed on the frame 24, the water pump 21, the water pipe 22, and the water spray pipe 23 are sequentially connected, the water spray pipe 23 is disposed on the bracket, the bracket is disposed on the fixing seat 17, and a concave water tank 241 is disposed at one lateral end of the top of the frame 24.

In this embodiment, can draw water and to water pipe 22 and spray pipe 23 water delivery through water pump 21, spray water to the abrasive band through spray pipe 23, cool down the abrasive band, promote abrasive band life.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides an adjustable knife grinder, including motor (1), action wheel (2), belt (3), follow driving wheel (4), wind roller (5), coarse sand area (61), fine sand area (62), fixing base (17), frame (24) and two sets of winding subassembly that are used for winding coarse sand area (61) and fine sand area (62) respectively, winding subassembly includes driven voller (7) and brace table (8), motor (1) sets up on fixing base (17), motor (1) is connected with action wheel (2) drive, action wheel (2) are connected with follow driving wheel (4) through belt (3), follow driving wheel (4) set up on wind roller (5), wind roller (5) rotate and set up on fixing base (17), coarse sand area (61) are twined on action wheel (2) and one driven voller (7), fine sand area (62) are twined on wind roller (5) and another driven voller (7), two brace tables (8) are supported respectively on coarse sand area (61) and fine sand area (62) medial surface, fixing base (17) set up on frame (24), the belt tensioning device also comprises two groups of adjustable tensioning assemblies for tensioning and adjusting the coarse sand belt (61) and the fine sand belt (62) respectively by adjusting the positions of the two driven rollers (7);

the adjustable tensioning assembly comprises a T-shaped plate (9), a threaded knob (11), a rocking handle (14), an installation seat (15), a spring (16), a connecting rod a (161) and a connecting rod b (162), wherein the driven roller (7) is rotationally arranged on the T-shaped plate (9), the T-shaped plate (9) is rotationally arranged on the installation seat (15), the threaded knob (11) is in threaded connection with the installation seat (15) and the end part of the threaded knob is in butt joint with the T-shaped plate (9), the position of the threaded knob (11) in butt joint with the T-shaped plate (9) is between a rotation center shaft of the T-shaped plate (9) and a motor (1), the rocking handle (14) is connected with the installation seat (15), the installation seat (15) is rotationally arranged on a fixed seat (17), two ends of the spring (16) are respectively connected with the connecting rod a (161) and the connecting rod b (162), and the connecting rod a (161) and the connecting rod b (162) are respectively arranged on the installation seat (15) and the fixed seat (17).

2. The adjustable knife grinder according to claim 1, further comprising a cap nut a (10), a hinge bolt (102), a bushing (12), a screw and a cap nut b (13), wherein the hinge bolt (102) passes through the T-shaped plate (9) and the mounting base (15) and is threaded at the end with the cap nut a (10), the screw is arranged inside the bushing (12), the end of the screw is connected with the T-shaped plate (9), and the screw passes through the mounting base (15) and is threaded at the end with the cap nut b (13).

3. An adjustable knife grinder according to claim 2, characterized in that the hinge bolt (102) is screwed with a fastening nut a (101), the fastening nut a (101) being located between the cap nut a (10) and the mounting seat (15); the screw is in threaded connection with a fastening nut b (131), and the fastening nut b (131) is positioned between the cover-shaped nut b (13) and the mounting seat (15).

4. An adjustable knife grinder according to claim 1, characterized in that the winding roller (5) is drivingly connected with a grinding wheel (18).

5. An adjustable knife grinder according to claim 1, characterized in that the frame (24) is provided with a grinding wheel motor (19), the grinding wheel motor (19) being drivingly connected to the plane grinding wheel (20).

6. The adjustable knife grinder according to claim 1, further comprising a water pump (21), a water pipe (22), a water spraying pipe (23) and a support, wherein the water pump (21) is arranged on the frame (24), the water pump (21), the water pipe (22) and the water spraying pipe (23) are sequentially communicated, the water spraying pipe (23) is arranged on the support, the support is arranged on the fixing seat (17), and a concave water tank (241) is arranged at one transverse end of the top of the frame (24).