CN214265241U - Knife sharpener - Google Patents

Abstract

The utility model discloses a knife sharpener, its cutter clamping device has a slider, a clamp plate is fixed to the slider top surface, the slider lower part has an inclined plane, there is a tight piece of clamp on the inclined plane, adjusting screw inserts from the through-hole that presss from both sides in the tight piece recess, in the screw of screw in slider, the roof is fixed with pressing from both sides tight piece, seal the recess that presss from both sides tight piece, spout both sides face has in the guide rail groove that the guide rail inserted the slider, preceding slide bar inserts left connecting plate respectively with the back slide bar, in the hole of spout and right connecting plate, insert respectively in the hole of left connecting plate and right connecting plate upper end at cutter bracing piece both ends, preceding slide bar inserts respectively in the slot hole of sharpedge sharpener left side board and sharpedge sharpener right side board with back slide bar both ends, and be locked by the nut, insert respectively in the hole of sharpedge sharpener left side board and sharpedge sharpener right side board at cutter bracing piece both ends. The utility model has the advantages of it is reliable to press from both sides tight cutter, and the cutter turn-over location is accurate, and cutter grinding angle is clear, and thick, the conversion of fine grinding whetstone is convenient.

Description

Knife sharpener

Technical Field

The utility model relates to a kitchen equipment, especially a sharpedge grinding machine.

Background

At present, there are several problems in sharpeners, at first the fixing of cutter adopts magnet, the fixed effect is unstable, sometimes when sharpening, the cutter becomes loose, secondly there is no cutter turn-over positioning device, there is no cutter grinding angle display device again, at last there is a single whetstone clamping device, it is troublesome to change whetstone.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a knife sharpener with simple structure and convenient operation.

The utility model adopts the following technical scheme.

A knife grinder comprises a left and right driving device of a knife stone, a front and back driving device of the knife stone, a water supply device and a base, wherein a slide block is arranged on a tool clamping device, a press plate is fixed on the top surface of the slide block, an inclined plane is arranged at the lower part of the slide block, the slide block is provided with a screw hole, the axis of the screw hole is parallel to the inclined plane, a clamping block is arranged on the inclined plane, the lower part of the clamping block is provided with an inclined plane, the side surface of the clamping block is provided with a groove, a through hole is arranged in the groove, an adjusting screw rod is inserted into the screw hole of the slide block and screwed into the screw hole of the slide block, the end part of the adjusting screw rod is processed into two parallel planes or a groove, a top plate is fixed with the clamping block to seal the groove of the clamping block, guide rail grooves are arranged on the two side surfaces of the slide block, guide rails of the slide groove are inserted into the guide rail grooves of the slide block, two parallel through holes are respectively inserted into a front slide rod and a back slide rod, the two ends of the front slide rod and the back slide rod are respectively inserted into the holes of a left connecting plate and a right connecting plate, the two ends of the cutter supporting rod are respectively inserted into holes in the upper ends of the left connecting plate and the right connecting plate, the two ends of the front sliding rod and the two ends of the rear sliding rod are respectively inserted into long holes in a left side plate and a right side plate of the knife grinder and are locked by nuts, and the two ends of the cutter supporting rod are respectively inserted into holes in the left side plate and the right side plate of the knife grinder.

The utility model discloses a knife sharpener, including cutter bracing piece, locating plate both ends are equipped with cutter positioner on the cutter bracing piece, and cutter positioner has a locating plate, and two fixed by cutter bracing piece male covers in locating plate both ends have by two movable cardboard that the round pin is connected respectively, and when cutter positioner fixes a position, two movable cardboard are respectively in the draw-in groove of external rotation insert sharpedge grinding machine left side board and sharpedge grinding machine right side board.

The motor of the left and right driving device of the whetstone is a stepping motor, and the control device of the sharpener is a PLC.

The double-whetstone clamping device is also provided with a fixed pressing block and a balancing weight, the fixed pressing block and the balancing weight are respectively fixed with two upper sliding rods and two lower sliding rods, the two upper sliding rods are sleeved in the upper movable pressing block, the two lower sliding rods are sleeved in the lower movable pressing block, the two upper sliding rods are respectively sleeved in a pressure spring between the upper movable pressing block and the balancing weight, the two lower sliding rods are respectively sleeved in a pressure spring between the lower movable pressing block and the balancing weight, a gap is arranged in the middle of the upper movable pressing block, a through hole is arranged in the gap, an upper screw rod is inserted into the screw hole in the gap, a groove is processed at the end part of the upper screw rod, a gap is arranged in the middle of the lower movable pressing block, a through hole is arranged in the gap, the lower screw rod is inserted into the through hole in the gap, a groove is processed at the end part of the lower screw rod, the driving connecting rod is inserted into the central holes of the fixed pressing block and the balancing weight, the screw is screwed into the driving connecting rod on the side face of the fixed pressing block, the fixed pressing block is limited in the axial direction of the driving connecting rod, and the double-whetstone clamping device can rotate around the driving connecting rod.

The weight of the balancing weight is one of 280 grams to 560 grams, and the number of the balancing weight is either 2, 3 or 4.

The double-whetstone clamping device clamps the rough whetstone and the fine whetstone.

Compared with the prior art, the utility model has the advantages of it is reliable to press from both sides tight cutter, and the cutter turn-over location is accurate, and cutter grinding angle is clear, and thick, the conversion of fine grinding whetstone is convenient.

Drawings

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

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a schematic view of the assembly of the slider and the chute.

Fig. 4 is a front view of the tool positioning device.

Fig. 5 is a side view of the tool positioning device.

Fig. 6 is a schematic view of the assembly of the knife clamping device and the left side plate of the knife sharpener.

Fig. 7 is a schematic structural view of the double whetstone clamping apparatus.

Fig. 8 is a schematic top view of the structure of fig. 7.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in figures 1-8, a knife grinder comprises a left and right driving device for a knife stone, a front and back driving device for the knife stone, a water supply device and a base, a tool clamping device comprises a slide block 3, a press plate 9 is fixed on the top surface of the slide block 3, an inclined surface is arranged on the lower portion of the slide block 3, a screw hole is arranged on the slide block, the axis of the screw hole is parallel to the inclined surface, a clamping block 11 is arranged on the inclined surface, the lower surface of the clamping block 11 is an inclined surface, a groove is arranged on the side surface of the clamping block 11, a through hole is arranged in the groove, an adjusting screw 10 is inserted into the through hole in the groove and screwed into the screw hole of the slide block, a groove is processed on the end portion of the adjusting screw, a movable plate 7 is inserted into the groove and is connected with the adjusting screw 10 through a pin 8, a top plate 12 is fixed with the clamping block 11 and seals the groove of the clamping block 11, guide rail grooves are arranged on the two side surfaces of the slide block 3, guide rails are arranged on the two inner side surfaces of the slide groove 6, the guide rails of the slide groove 6 are inserted into the guide rail grooves of the slide block 3, two parallel through holes are formed in the lower portion of the sliding groove 6 and are respectively inserted into a front sliding rod 1 and a rear sliding rod 5, two ends of the front sliding rod 1 and two ends of the rear sliding rod 5 are respectively inserted into holes in the left connecting plate 4 and the right connecting plate 20, two ends of a cutter supporting rod 14 are respectively inserted into holes in the upper ends of the left connecting plate 4 and the right connecting plate 20, two ends of the front sliding rod 1 and two ends of the rear sliding rod 5 are respectively inserted into long holes in the left side plate 21 of the knife sharpener and long holes in the right side plate of the knife sharpener and are respectively locked by a plum blossom lock nut A22 and a plum blossom lock nut B23, two ends of the cutter supporting rod 14 are respectively inserted into holes in the left side plate 21 of the knife sharpener and the right side plate of the knife sharpener, and the cutter 13 is supported.

The left side plate 21 of the knife sharpener and the right side plate of the knife sharpener are inserted into the long hole edge of the rear sliding rod 5 and are provided with angle marks.

The utility model discloses a knife sharpener, including cutter bracing piece, cutter locating device, locating plate 16 both ends are fixed two by cutter bracing piece male left side cover 18 and right side cover 15, left side activity cardboard 17 is connected with locating plate 16 through left round pin 19, right side activity cardboard 21 is connected with locating plate 16 through right round pin 2, when cutter locating device fixes a position, in the draw-in groove of knife sharpener left side board is inserted outward to left side activity cardboard 17, in the draw-in groove of sharpener right side board is inserted outward to right side activity cardboard 21. When a cutter is installed or taken, the left movable clamping plate 17 is internally screwed to be separated from the clamping groove of the left side plate of the cutter grinder, the right movable clamping plate 21 is internally screwed to be separated from the clamping groove of the right side plate of the cutter grinder, the cutter positioning device rotates, and the positioning plate 16 falls down.

The motor of the left and right driving device of the knife sharpening stone is a stepping motor, the control device of the knife sharpening machine is a PLC, and different grinding time and speed can be set on the touch screen according to the material of the cutter.

And a double whetstone clamping device, which comprises a fixed pressing block 25 and a balancing weight 36, wherein the fixed pressing block 25 and the balancing weight 36 are respectively inserted into two upper slide bars 27 and two lower slide bars 29 and are respectively fastened by screws (not shown in the figure), an upper movable pressing block 32 is sleeved in two upper slide bars 27 between the fixed pressing block 25 and the balancing weight 36, a lower movable pressing block 34 is sleeved in two lower slide bars 29, a pressure spring 35 is respectively sleeved in two upper slide bars 27 between the upper movable pressing block 32 and the balancing weight 36, a pressure spring 35 is respectively sleeved in two lower slide bars 29 between the lower movable pressing block 34 and the balancing weight 36, a gap is arranged in the middle of the upper movable pressing block 32, a through hole is arranged in the gap, an upper screw 31 is inserted into the through hole in the gap and is screwed into a screw hole of the balancing weight 36, a groove is processed at the end of the upper screw 31, a gap is arranged in the middle of the lower movable pressing block 34, the notch is provided with a through hole, the lower screw 33 is inserted into the through hole in the notch and screwed into the screw hole of the counterweight block 36, the end part of the lower screw 33 is processed into a groove, the driving connecting rod 24 is inserted into the central holes of the fixed pressing block 25 and the counterweight block 36, the screw 26 is screwed into the driving connecting rod 24 on the side surface of the fixed pressing block 25, so that the fixed pressing block 25 is limited in the axial direction of the driving connecting rod 24, and the double-whetstone clamping device can rotate around the driving connecting rod 24. The weight block 36 has two blocks, which are interchangeable, wherein one block weighing 300 grams is used for grinding soft tools and the other block weighing 540 grams is used for grinding hard tools. The double whetstone clamping device clamps the rough whetstone 30 and the fine whetstone 28.

Claims (7)

1. A knife grinder comprises a left and right driving device of a knife stone, a front and back driving device of the knife stone, a water supply device and a base, and is characterized in that a tool clamping device is provided with a slide block, a press plate is fixed on the top surface of the slide block, an inclined plane is arranged on the lower portion of the slide block, a screw hole is arranged on the slide block, the axis of the screw hole is parallel to the inclined plane, a clamping block is arranged on the inclined plane, the lower portion of the clamping block is provided with an inclined plane, the side surface of the clamping block is provided with a groove, a through hole is arranged in the groove, an adjusting screw rod is inserted into the through hole in the groove and screwed into the screw hole of the slide block, the end portion of the adjusting screw rod is processed into two parallel planes or a groove, a top plate is fixed with the clamping block to seal the groove of the clamping block, guide rail grooves are arranged on the two side surfaces of the slide block, guide rails are arranged on the two inner side surfaces of the slide, the two ends of the cutter supporting rod are respectively inserted into holes in the upper ends of the left connecting plate and the right connecting plate, the two ends of the front sliding rod and the two ends of the rear sliding rod are respectively inserted into long holes in a left side plate and a right side plate of the knife grinder and are locked by nuts, and the two ends of the cutter supporting rod are respectively inserted into holes in the left side plate and the right side plate of the knife grinder.

2. The sharpener of claim 1 wherein said sharpener left and right side plates are inserted into angled marks on the long hole edge of the rear slide bar.

3. The sharpener of claim 1, wherein the knife support bar is provided with a knife positioning device, the knife positioning device comprises a positioning plate, two sleeves inserted by the knife support bar are fixed at two ends of the positioning plate, two movable clamping plates respectively connected by two pins are arranged at two ends of the positioning plate, and when the knife positioning device is positioned, the two movable clamping plates are respectively inserted into the clamping grooves of the left side plate and the right side plate of the sharpener in an outward rotating manner.

4. The sharpener according to claim 1, wherein the motor of the left and right driving device for the whetstone is a stepping motor, and the control device for the sharpener is a PLC.

5. The sharpener of claim 1 further comprising a double whetstone clamping device having a fixed press block and a weight block, the fixed press block and the weight block each holding two upper slide bars and two lower slide bars, the two upper slide bars being nested in the upper movable press block and the two lower slide bars being nested in the lower movable press block, the two upper slide bars being nested in the upper movable press block and the weight block, the two upper slide bars being nested in a pressure spring, the two lower slide bars being nested in a pressure spring, the upper movable press block having a notch therebetween, the notch having a through hole, the upper screw being inserted through the through hole in the notch and screwed into the screw hole of the weight block, the end of the upper screw being formed with a groove, the lower movable press block having a notch therebetween, the notch having a through hole, the lower screw being inserted through the through hole in the notch, the double-whetstone clamping device is screwed into a screw hole of the balancing weight, a groove is processed at the end part of the lower screw rod, the driving connecting rod is inserted into central holes of the fixed pressing block and the balancing weight, the screw is screwed into the driving connecting rod on the side surface of the fixed pressing block, so that the fixed pressing block is limited in the axial direction of the driving connecting rod, and the double-whetstone clamping device can rotate around the driving connecting rod.

6. The sharpener of claim 5, wherein said weight of said weight block is one of 280-560 grams, and the number of weight blocks is either 2, or 3, or 4.

7. The sharpener of claim 5 wherein said dual whetstone clamping means clamps both the rough whetstone and the fine whetstone.

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