Automatic knife grinder with slant bed and automatic descending grinding wheel

Abstract

The application discloses a kind of automatic descending grinding wheel full-automatic knife grinder of slant bed, including body, automatic descending grinding wheel, the knife platform is arranged in the body, the automatic descending grinding wheel is set above the knife platform, the operating platform is arranged on the body, the operating platform is provided with inclined surface, the automatic descending grinding wheel is installed on the inclined surface of operating platform, and the automatic descending grinding wheel transversely translates along the inclined surface.The characteristics of the present application are: simple structure, convenient operation, high degree of automation, automatic walking, automatic descending grinding wheel, automatic stop working can be realized;By installing in the form of inclination, the sliding rail gap can be affected by the gravity of the grinding wheel machine of automatic descending grinding wheel, and the grinding wheel machine can be realized without gap up and down when sliding transversely, so that the knife grinding is stable, high precision and long service life.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of knife sharpening device, and particularly relates to a slant bed automatic descending grinding wheel full-automatic knife sharpening machine. BACKGROUND

[0002] Paper cutter blade, crusher blade, rotary cutter blade and all straight blade cutters will be blunt after long time use, which affects production quality, so the cutters need to be polished. The existing market knife sharpening machines are horizontally installed guide rails, and the guide rail gap seriously affects the polishing precision during the polishing process. SUMMARY

[0003] The present application aims to overcome the above problems, and provides a slant bed automatic descending grinding wheel full-automatic knife sharpening machine which can automatically walk, automatically descend the grinding wheel and automatically stop working.

[0004] The technical scheme adopted by the present application to achieve the above object is as follows:

[0005] The slant bed automatic descending grinding wheel full-automatic knife sharpening machine comprises a machine body and an automatic descending grinding wheel, a knife table is arranged in the machine body, the automatic descending grinding wheel is arranged above the knife table, an operation table is arranged on the machine body, the operation table is provided with an inclined surface, the automatic descending grinding wheel is installed on the inclined surface of the operation table, and the automatic descending grinding wheel transversely translates along the inclined surface.

[0006] A driving motor is installed on the automatic descending grinding wheel, the driving motor is provided with a driving gear, a driving rack is transversely installed on the operation table, the driving rack is engaged with the driving gear, a slide rail is installed on the inclined surface of the operation table, the automatic descending grinding wheel is installed on the slide rail through a sliding block, and the driving motor drives the automatic descending grinding wheel to transversely translate along the slide rail.

[0007] The automatic descending grinding wheel comprises a grinding wheel machine and an automatic descending device, the grinding wheel machine is arranged on a support frame, the automatic descending device comprises a push rod, a lead screw and a one-way ratchet wheel, the push rod is transversely arranged on the support frame, one end of the push rod is installed on the support frame through a spring, the other end of the push rod extends out of the support frame and corresponds to a baffle arranged on the transverse side of the machine body, a rack is processed on the push rod, the lead screw is longitudinally arranged on the support frame, the one-way ratchet wheel is installed on the lead screw, the one-way ratchet wheel is engaged with the rack on the push rod, a nut is installed on the lead screw, and the nut is connected with the grinding wheel machine.

[0008] The support frame is provided with a U-shaped adjusting hole at the extension position of the push rod, the rack on the push rod is in meshing state with the one-way ratchet when the push rod is located at one end of the U-shaped adjusting hole, and the rack on the push rod is in non-meshing state with the one-way ratchet when the push rod is located at the other end of the U-shaped adjusting hole, and the baffle is provided with an open hole corresponding to the push rod at the other end of the U-shaped adjusting hole.

[0009] Both sides of the support frame are provided with travel switches, and the baffle is provided with a travel adjusting screw corresponding to the travel switch.

[0010] The upper end of the screw rod is provided with a hand wheel.

[0011] The outer periphery of the grinding wheel of the grinding wheel machine is provided with a protective cover, and the protective cover is installed on the support frame.

[0012] The tool rest is provided with an angle adjusting hand wheel.

[0013] The machine body is provided with a water baffle at the tool rest.

[0014] The characteristics of the present application are: simple structure, convenient operation, high automation, automatic walking, automatic descending of the grinding wheel, automatic stopping of work; the sliding rail gap can be affected by the gravity of the grinding wheel machine under the action of the automatic descending of the grinding wheel, and the grinding wheel machine can realize no gap in the transverse sliding, so that the knife grinding is stable, precise and has long service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the structural diagram of the present application Figure 1 .

[0016] Figure 2 is the structural diagram of the present application Figure 2 .

[0017] Figure 3 is the structural diagram of the automatic descending grinding wheel of the present application.

[0018] 1, machine body 2, tool rest 3, angle adjusting hand wheel 4, water baffle 5, operation table 6, inclined surface 7, sliding rail 8, sliding block 9, driving motor 10, driving gear 11, driving rack 12, grinding wheel machine 13, support frame 14, push rod 15, screw rod 16, hand wheel 17, nut 18, rack 19, one-way ratchet 20, spring 21, U-shaped adjusting hole 22, baffle 23, open hole 24, travel switch 25, travel adjusting screw 26, protective cover. DETAILED DESCRIPTION

[0019] As Figures 1-3The present application is a full-automatic knife grinder with automatic descending grinding wheel, which comprises a machine body 1, an automatic descending grinding wheel, a knife table 2 arranged in the machine body 1, an angle adjusting hand wheel 3 installed on the knife table 2 for adjusting the angle of the knife on the knife table 2, a water baffle 4 arranged at the knife table 2 of the machine body 1 for preventing the cooling water from splashing out, the automatic descending grinding wheel arranged above the knife table 2, an operation table 5 arranged on the machine body 1, an inclined surface 6 arranged on the operation table 5, a sliding rail 7 installed on the inclined surface 6 of the operation table 5, the automatic descending grinding wheel installed on the sliding rail 7 through a sliding block 8, a driving motor 9 installed on the automatic descending grinding wheel, a driving gear 10 installed on the driving motor 9, a driving rack 11 transversely installed on the operation table 5, the driving rack 11 engaged with the driving gear 10, the driving motor 9 driving the automatic descending grinding wheel to transversely translate along the sliding rail 7, the sliding rail 7 gap affected by the gravity of the grinding wheel machine 12 of the automatic descending grinding wheel, no gap on the grinding wheel machine 12 up and down during the transverse sliding, smooth knife grinding, high precision and long service life.

[0020] The automatic descending grinding wheel comprises a grinding wheel machine 12, an automatic descending device, the grinding wheel machine 12 is arranged on a support frame 13, the support frame 13 is installed on the sliding block 8, the outer periphery of the grinding wheel of the grinding wheel machine 12 is provided with a protective cover 26, the protective cover 26 is installed on the support frame 13, and the protective cover 26 prevents the grinding wheel from breaking and hurting people, the automatic descending device comprises a push rod 14, a lead screw 15 and a one-way ratchet wheel 19, the push rod 14 is arranged transversely on the support frame 13, one end of the push rod 14 is installed on the support frame 13 through a spring 20, the other end of the push rod 14 extends out of the support frame 13 and corresponds to a baffle 22 arranged on the transverse side of the machine body 1, a rack 18 is processed on the push rod 14, the lead screw 15 is arranged longitudinally on the support frame 13, the one-way ratchet wheel 19 is installed on the lead screw 15, the one-way ratchet wheel 19 is engaged with the rack 18 on the push rod 14, a nut 17 is installed on the lead screw 15, and the nut 17 is connected with the grinding wheel machine 12, when the automatic descending grinding wheel moves to the side of the baffle 22, the push rod 14 is blocked by the baffle 22 and is pushed to the support frame 13 by a distance, the rack 18 on the push rod 14 drives the one-way ratchet wheel 19 to rotate in one direction, the lead screw 15 also rotates in one direction due to the connection between the one-way ratchet wheel 19 and the lead screw 15, and the nut 17 on the lead screw 15 moves downward, the grinding wheel machine 12 driven by the nut 17 moves downward, when the automatic descending grinding wheel moves reversely, the push rod 14 is reset by the spring 20, thereby driving the grinding wheel machine 12 to reset, when the automatic descending grinding wheel moves to the baffle 22 again, the automatic descending grinding wheel action is repeated, travel switches 24 are installed on both sides of the support frame 13, the travel switches 24 are used to control the travel of the automatic descending grinding wheel, a travel adjusting screw 25 is installed on the baffle 22, the travel adjusting screw 25 corresponds to the same travel switch 24, the travel adjusting screw 25 can adjust the distance between the push rod 14 and the baffle 22, thereby realizing the arbitrary adjustment of the depth of the automatic descending grinding wheel, the longer the length of the push rod 14 pushed each time, the greater the amplitude of the automatic descending grinding wheel, a U-shaped adjusting hole 21 is arranged at the position where the push rod 14 extends out of the support frame 13, when the push rod 14 is located at one end of the U-shaped adjusting hole, the rack 18 on the push rod 14 is in the engaged state with the one-way ratchet wheel 19, when the push rod 14 is located at the other end of the U-shaped adjusting hole 21, the rack 18 on the push rod 14 is in the disengaged state with the one-way ratchet wheel 19, an open hole 23 is arranged on the baffle 22, the open hole 23 corresponds to the push rod 14 located at the other end of the U-shaped adjusting hole 21, when the automatic descending grinding wheel function is not needed, the push rod 14 only needs to be moved to the other end of the U-shaped adjusting hole 21, and the push rod 14 will not be pushed during the movement, a hand wheel 16 is installed at the upper end of the lead screw 15, and the hand wheel 16 can realize the arbitrary switching between manual and automatic.

[0021] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, should be covered within the protection scope of the present application.

Claims

1. An automatic slant bed grinding machine with automatic lowering of the grinding wheel, characterized in that: The machine includes a machine body and an automatically lowering grinding wheel. A tool holder is installed inside the machine body, and a baffle plate is located at the tool holder. The automatically lowering grinding wheel is positioned above the tool holder. An operating table is installed on the machine body, and the operating table has an inclined surface. The automatically lowering grinding wheel is mounted on the inclined surface of the operating table and moves laterally along the inclined surface. The automatically lowering grinding wheel includes a grinding machine and an automatic lowering device. The grinding machine is mounted on a support frame. The automatic lowering device includes a push rod, a lead screw, and a one-way ratchet. The push rod is laterally mounted on the support frame, with one end mounted on the support frame via a spring, and the other end extending out of the support frame and corresponding to a baffle plate on one side of the machine body. A rack is machined on the push rod. The lead screw is longitudinally mounted on the support frame, and the one-way ratchet is mounted on the lead screw and meshes with the rack on the push rod. A nut is installed on the lead screw, and the nut is connected to the grinding machine.

2. The fully automatic slant bed grinding machine with automatic lowering grinding wheel as described in claim 1, characterized in that: The automatic lowering grinding wheel is equipped with a drive motor, which is also equipped with a drive gear. A drive rack is mounted horizontally on the operating table, and the drive rack meshes with the drive gear. A slide rail is mounted on the inclined surface of the operating table, and the automatic lowering grinding wheel is mounted on the slide rail via a slider. The drive motor drives the automatic lowering grinding wheel to move laterally along the slide rail.

3. The fully automatic slant bed grinding machine with automatic lowering grinding wheel as described in claim 1 or 2, characterized in that: The support frame has a U-shaped adjustment hole at the extension of the push rod. When the push rod is at one end of the U-shaped adjustment hole, the rack on the push rod is engaged with the one-way ratchet. When the push rod is at the other end of the U-shaped adjustment hole, the rack on the push rod is not engaged with the one-way ratchet. The baffle has an open hole, which corresponds to the push rod when it is at the other end of the U-shaped adjustment hole.

4. The fully automatic slant bed grinding machine with automatic lowering grinding wheel as described in claim 1 or 2, characterized in that: Limit switches are installed on both sides of the support frame, and limit adjustment screws are installed on the baffle, with each limit switch corresponding to the one on the same side.

5. The fully automatic slant bed grinding machine with automatic lowering grinding wheel as described in claim 1 or 2, characterized in that: A handwheel is installed at the upper end of the lead screw.

6. The fully automatic slant bed grinding machine with automatic lowering grinding wheel as described in claim 1 or 2, characterized in that: The grinding wheel of the grinding machine is provided with a protective cover on its outer circumference, and the protective cover is mounted on a support frame.

7. The fully automatic slant bed grinding machine with automatic lowering grinding wheel as described in claim 1, characterized in that: The tool holder is equipped with an angle adjustment handwheel.

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