Lifting mechanism of knife sharpening bed

Abstract

The utility model discloses a knife sharpening bed lifting mechanism, which relates to the technical field of knife sharpening beds, and comprises a horizontal moving base, a horizontal driving module is fixedly arranged on the horizontal moving base, a lifting moving base is arranged on the horizontal driving module, a lifting driving module is fixedly arranged on the lifting moving base, a sliding table is arranged on the lifting driving module, and the sliding table is connected with the horizontal driving module. The sliding table comprises a sliding table body, a concave part and a guide strip, the concave part is fixedly arranged on the side face of the sliding table body, the concave part and the sliding table body form a step-shaped structure, the guide strip is fixedly arranged on the outer side of the concave part, and a sharpening supporting frame is arranged on the concave part. The lifting mechanism of the knife sharpening machine is more stable and reliable in the grinding process and can be suitable for more knife types, the length of the knife sharpening supporting frame is reduced due to the embedded design of the knife sharpening supporting frame, and more space is saved in the overall structure.

Description

Technical Field

[0001] The utility model relates to the technical field of tool grinding machines, in particular to a lifting mechanism for tool grinding machines. Background Art

[0002] Knives are generally ground on a grinding machine. The grinding of a knife is based on the outline of the blade as the reference line. Under the premise of ensuring the uniform thickness of the reference line, different edge arcs are ground on the blade through the grinding machine.

[0003] However, with the development of double-sided tool grinders, the existing tool grinders can already meet the grinding needs of most current tool contour curves. However, when the tool grinder is performing grinding processing, the stability of the tool grinder lifting mechanism is poor and the structure still needs to be optimized. Utility Model Content

[0004] In view of the defects of the above-mentioned prior art, the purpose of the utility model is to provide a lifting mechanism for a tool grinding machine, which can solve the problem of poor stability of the lifting mechanism when the tool grinding machine is grinding a tool.

[0005] The purpose of the utility model is achieved by the following technical solutions:

[0006] The lifting mechanism of a tool grinding bed comprises a horizontal movable base, the horizontal movable base is fixedly provided with a horizontal driving module in the horizontal direction, the horizontal driving module is provided with a lifting movable base, the horizontal driving module can drive the lifting movable base to reciprocate in the horizontal direction, the lifting movable base is fixedly provided with a lifting driving module in the vertical direction, the lifting driving module is provided with a slide, and the lifting driving module can drive the slide to reciprocate in the vertical direction, the slide comprises a slide body, a recessed part and a guide strip, the recessed part is fixedly provided on the side of the slide body, the recessed part and the slide body form a stepped structure, the guide strip is fixedly provided on the outer side of the recessed part, a knife grinding support frame is provided on the recessed part, the knife grinding support frame comprises a knife grinding seat and a knife grinding frame, the knife grinding seat is fixedly provided in the recessed part, the inner side of the knife grinding seat abuts with the slide body, and part of the outer side abuts with the guide strip, and the knife grinding frame is fixedly provided on the outer side of the knife grinding seat.

[0007] Preferably, the horizontal drive module comprises a first mounting platform, a first drive motor, a first coupling, a first screw rod and a first fixed frame, the first mounting platform is fixedly arranged on one side of the horizontal movable base, the first driving motor is fixedly arranged on the first mounting platform, the output end of the first driving motor is fixedly connected to the first coupling, one end of the first screw rod is fixedly arranged on the first coupling in the horizontal direction, and the other end is rotatably connected to the first fixed frame, the first fixed frame is fixedly arranged on the horizontal movable base, and the lifting movable base is movably arranged on the first screw rod;

[0008] The lifting drive module includes a second mounting platform, a second drive motor, a second coupling, a second screw rod and a second fixed frame. The second mounting platform is fixedly arranged on the top of the lifting and moving base. The second drive motor is fixedly arranged on the second mounting platform. The output end of the second drive motor is fixedly connected to the second coupling. One end of the second screw rod is fixedly arranged on the second coupling in the vertical direction, and the other end is rotatably connected to the second fixed frame. The second fixed frame is fixedly arranged on the lifting and moving base, and the slide table is movably arranged on the second screw rod.

[0009] Preferably, a first connecting block is movably provided on the first screw rod, the first connecting block is fixedly connected to the lifting and moving base, and the lifting and moving base is connected to the first screw rod through the first connecting block;

[0010] A second connecting block is movably provided on the second screw rod, the second connecting block is fixedly connected to the slide, and the slide is connected to the second screw rod via the second connecting block.

[0011] Preferably, first slide rails are arranged in parallel on both sides of the horizontal driving module, the first slide rails are fixedly arranged on the horizontal movable base, and the lifting movable base is slidably arranged on the first slide rails;

[0012] Second slide rails are arranged in parallel on both sides of the lifting drive module. The second slide rails are fixedly arranged on the lifting movable base, and the slide table is slidably arranged on the second slide rails.

[0013] Preferably, a first slider is slidably provided on the first slide rail, the lifting and moving base is connected to the first slide rail via the first slider, and the first slider is fixedly connected to the lifting and moving base;

[0014] A second sliding block is slidably provided on the second sliding rail, the sliding platform is connected to the second sliding rail via the second sliding block, and the second sliding block is fixedly connected to the sliding platform.

[0015] Preferably, a plurality of groups of the first sliding blocks are arranged on the first sliding rail;

[0016] A plurality of groups of the second sliding blocks are arranged on the second sliding rail.

[0017] Preferably, guide grooves are provided on both sides of the first slide rail and the second slide rail, and the structures of the guide grooves are matched with the first slider and the second slider respectively, and the first slider and the second slider slide on the guide grooves.

[0018] Preferably, the recessed member is slidably disposed on the second slide rail, and the slide body is slidably disposed on the second slide rail on the other side.

[0019] Preferably, a chamfer is provided at a connection between the recessed part and the slide body.

[0020] Preferably, a plurality of mounting holes are formed on the bottom surface of the recessed part.

[0021] The beneficial effects of the utility model are:

[0022] The utility model discloses a knife grinding bed lifting mechanism, by arranging a slide on the lifting drive module, the slide comprises a slide body, a recessed part and a guide strip, the recessed part is fixedly arranged on the side of the slide body, the recessed part and the slide body form a stepped structure, the guide strip is fixedly arranged on the outer side of the recessed part, a knife grinding support frame is arranged on the recessed part, the knife grinding support frame comprises a knife grinding seat and a knife grinding frame, the knife grinding seat is fixedly arranged in the recessed part, the inner side of the knife grinding seat abuts against the slide body, and part of the outer side abuts against the guide strip, and the knife grinding frame is fixedly arranged on the outer side of the knife grinding seat, so that when the knife grinding support frame is subjected to force during the grinding process, the slide body and the guide strip support the knife grinding seat, the grinding process of the knife grinding bed is more stable and reliable, and it is suitable for more types of knives, and this kind of embedded design reduces the length of the knife grinding support frame, and saves more space in the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is an exploded view of the utility model.

[0025] In the figure: 100, horizontal movable base; 200, horizontal drive module; 201, first mounting platform; 202, first drive motor; 203, first coupling; 204, first screw rod; 205, first fixed frame; 300, lifting movable base; 400, first slide rail; 500, lifting drive module; 501, second mounting platform; 502, second drive motor; 503, second coupling; 504, second screw rod; 505, second fixed frame; 600, slide; 601, slide body; 602, recessed part; 603, guide strip; 700, second slide rail; 800, sharpening support frame; 801, sharpening seat; 802, sharpening frame; 900, first connecting block; 110, second connecting block; 120, first slider; 130, second slider; 140, guide groove; 160, chamfer; 170, mounting hole. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clearly understood, the utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] The embodiments provided by the utility model are as follows: Figures 1-2 As shown, a tool grinding bed lifting mechanism comprises a horizontal movable base 100, the horizontal movable base 100 is fixedly provided with a horizontal driving module 200 in the horizontal direction, the horizontal driving module 200 is provided with a lifting movable base 300, the horizontal driving module 200 can drive the lifting movable base 300 to reciprocate in the horizontal direction, first slide rails 400 are arranged in parallel on both sides of the horizontal driving module 200, the first slide rails 400 are fixedly arranged on the horizontal movable base 100, the lifting movable base 300 can be slidably arranged on the first slide rails 400, the lifting movable base 300 is fixedly provided with a lifting driving module 500 in the vertical direction, the lifting driving module 500 is provided with a slide 600, the lifting driving module 500 can drive the slide 600 to reciprocate in the vertical direction, and the two sides of the lifting driving module 500 are provided with a lifting driving module 500. A second slide rail 700 is arranged parallel to the side, and the second slide rail 700 is fixedly arranged on the lifting and moving base 300. The slide 600 is slidably arranged on the second slide rail 700. The slide 600 includes a slide body 601, a recessed part 602 and a guide strip 603. The recessed part 602 is fixedly arranged on the side of the slide body 601. The recessed part 602 and the slide body 601 form a stepped structure. The guide strip 603 is fixedly arranged on the outer side of the recessed part 602. A knife sharpening support frame 800 is arranged on the recessed part 602. The knife sharpening support frame 800 includes a knife sharpening seat 801 and a knife sharpening frame 802. The knife sharpening seat 801 is fixedly arranged in the recessed part 602. The inner side of the knife sharpening seat 801 abuts against the slide body 601, and part of the outer side abuts against the guide strip 603. The knife sharpening frame 802 is fixedly arranged on the outer side of the knife sharpening seat 801.

[0028] The slide 600 has a stepped structure as a whole, and the sharpening support frame 800 is embedded in the recessed part 602. When the sharpening support frame 800 is subjected to force during the workpiece grinding process, the slide body 601 and the guide bar 603 support the sharpening seat 801. This embedded design reduces the length of the sharpening support frame 800, shortens the length of the force point of the sharpening support frame 800, and improves stability.

[0029] When in use, the staff starts the tool grinding bed, places the tool to be ground in the processing area, determines the horizontal position of the slide 600 according to the position to be ground, starts the lifting drive module 500, and the lifting drive module 500 drives the slide 600 to the determined position, starts the horizontal drive module 200, and the horizontal drive module 200 drives the lifting and moving base 300 to move toward the tool, and then drives the tool grinding support frame 800 to move toward the tool, and the fixture installed on the tool grinding support frame 800 contacts the tool to grind the tool, and then the staff controls the horizontal drive module 200 and the lifting drive module 500 to reset the tool grinding support frame 800 to complete a round of tool grinding. The front end of the tool grinding support frame 800 can be flexibly replaced with a removable fixture so that the tool grinding equipment can adapt to different grinding needs.

[0030] Preferably, the horizontal drive module 200 includes a first mounting platform 201, a first drive motor 202, a first coupling 203, a first screw rod 204 and a first fixed frame 205. The first mounting platform 201 is fixedly arranged on one side of the horizontal movable base 100. The first drive motor 202 is fixedly arranged on the first mounting platform 201. The output end of the first drive motor 202 is fixedly connected to the first coupling 203. One end of the first screw rod 204 is fixedly arranged on the first coupling 203 in the horizontal direction, and the other end is rotatably connected to the first fixed frame 205. The first fixed frame 205 is fixedly arranged on the horizontal movable base 100. The lifting movable base 300 is movably arranged on the first screw rod 204. The horizontal drive module 200 drives the sharpening support frame 800 to realize horizontal reciprocating motion.

[0031] The lifting drive module 500 includes a second mounting platform 501, a second drive motor 502, a second coupling 503, a second screw rod 504 and a second fixed frame 505. The second mounting platform 501 is fixedly arranged on the top of the lifting and moving base 300. The second drive motor 502 is fixedly arranged on the second mounting platform 501. The output end of the second drive motor 502 is fixedly connected to the second coupling 503. One end of the second screw rod 504 is fixedly arranged on the second coupling 503 in the vertical direction, and the other end is rotatably connected to the second fixed frame 505. The second fixed frame 505 is fixedly arranged on the lifting and moving base 300. The slide 600 is movably arranged on the second screw rod 504. The lifting drive module 500 drives the sharpening support frame 800 to realize reciprocating motion in the vertical direction.

[0032] Preferably, a first connecting block 900 is movably provided on the first screw rod 204, the first connecting block 900 is fixedly connected to the lifting and moving base 300, and the lifting and moving base 300 is connected to the first screw rod 204 through the first connecting block 900. By providing the first connecting block 900, the installation and replacement of the lifting and moving base 300 are more convenient;

[0033] A second connecting block 110 is movably provided on the second screw rod 504. The second connecting block 110 and the slide 600 are fixedly connected. The slide 600 is connected to the second screw rod 504 via the second connecting block 110. By providing the second connecting block 110, the installation and replacement of the slide 600 are more convenient.

[0034] Preferably, first slide rails 400 are arranged in parallel on both sides of the horizontal driving module 200, the first slide rails 400 are fixedly arranged on the horizontal moving base 100, and the lifting moving base 300 is slidably arranged on the first slide rails 400;

[0035] Second slide rails 700 are arranged in parallel on both sides of the lifting drive module 500 . The second slide rails 700 are fixedly arranged on the lifting movable base 300 , and the slide platform 600 is slidably arranged on the second slide rails 700 .

[0036] Preferably, a first slider 120 is slidably provided on the first slide rail 400, the lifting and moving base 300 is connected to the first slide rail 400 through the first slider 120, and the first slider 120 and the lifting and moving base 300 are fixedly connected. By providing the first slider 120, the reciprocating motion of the lifting and moving base 300 in the horizontal direction is more stable;

[0037] A second slider 130 is slidably disposed on the second slide rail 700, and the slide 600 is connected to the second slide rail 700 via the second slider 130. The second slider 130 and the slide 600 are fixedly connected. By disposing the second slider 130, the reciprocating motion of the slide 600 in the vertical direction is more stable.

[0038] Preferably, a plurality of first sliding blocks 120 are provided on the first sliding rail 400. The plurality of first sliding blocks 120 can further improve the stability of the movement of the lifting and moving base 300.

[0039] A plurality of second sliding blocks 130 are disposed on the second slide rail 700 . The plurality of second sliding blocks 130 can further improve the movement stability of the slide table 600 .

[0040] Preferably, guide grooves 140 are provided on both sides of the first slide rail 400 and the second slide rail 700. The structures of the guide grooves 140 are respectively matched with the first slider 120 and the second slider 130. The first slider 120 and the second slider 130 slide on the guide grooves 140. The guide grooves 140 are provided to make the sliders more stable and reliable when sliding.

[0041] Preferably, the recessed member 602 is slidably disposed on the second slide rail 700, and the slide body 601 is slidably disposed on the second slide rail 700 on the other side. The two second slide rails 700 are disposed on different planes to achieve staggered installation of the slide 600, making the slide 600 more stable under lateral force.

[0042] Preferably, a chamfer 160 is provided at the connection between the recessed part 602 and the slide body 601. The chamfer 160 replaces the right-angle connection, which can increase the force-bearing area of ​​the connection, enhance the stability of the slide 600, and make the connection less likely to break.

[0043] Preferably, a plurality of mounting holes 170 are provided on the bottom surface of the recessed part 602, and the staff can adjust the mounting position of the knife sharpening seat 801 according to the use requirements. In addition, when adjusting the mounting position of the knife sharpening seat 801, the guide strip 603 acts as a limiting guide, making the adjustment of the knife sharpening seat 801 more convenient.

[0044] The utility model knife grinding bed lifting mechanism is provided with a slide 600 on the lifting drive module 500, the slide 600 includes a slide body 601, a recessed part 602 and a guide bar 603, the recessed part 602 is fixedly arranged on the side of the slide body 601, the recessed part 602 and the slide body 601 form a stepped structure, the guide bar 603 is fixedly arranged on the outer side of the recessed part 602, a knife grinding support frame 800 is arranged on the recessed part 602, and the knife grinding support frame 800 includes a knife grinding seat 801 and a knife grinding frame 802, and the knife grinding seat 80 The inner side of the knife sharpening seat 801 abuts against the slide body 601, and part of the outer side abuts against the guide strip 603. The knife sharpening frame 802 is fixedly arranged on the outer side of the knife sharpening seat 801, so that when the knife sharpening support frame 800 is subjected to force during the grinding process, the slide body 601 and the guide strip 603 support the knife sharpening seat 801, and the grinding process of the knife sharpening machine is more stable and reliable, and is suitable for more types of knives. In addition, this embedded design reduces the length of the knife sharpening support frame 800, and saves more space in the overall structure.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall fall within the protection scope of the present invention.

Claims

1. A tool grinding machine lifting mechanism, comprising a horizontally movable base (100), characterized in that: The horizontal movable base (100) is fixedly provided with a horizontal driving module (200) in the horizontal direction, and the horizontal driving module (200) is provided with a lifting movable base (300). The horizontal driving module (200) can drive the lifting movable base (300) to perform reciprocating motion in the horizontal direction. The lifting movable base (300) is fixedly provided with a lifting driving module (500) in the vertical direction, and the lifting driving module (500) is provided with a slide (600). The lifting driving module (500) can drive the slide (600) to perform reciprocating motion in the vertical direction. The slide (600) comprises a slide body (601), a recessed member (602) and a guide strip (603). The recessed member (602) is provided with a guide strip (603). The recessed member (602) is fixedly arranged on the side of the slide body (601), the recessed member (602) and the slide body (601) form a stepped structure, the guide strip (603) is fixedly arranged on the outer side of the recessed member (602), a knife sharpening support frame (800) is arranged on the recessed member (602), the knife sharpening support frame (800) comprises a knife sharpening seat (801) and a knife sharpening frame (802), the knife sharpening seat (801) is fixedly arranged in the recessed member (602), the inner side of the knife sharpening seat (801) abuts against the slide body (601), and part of the outer side abuts against the guide strip (603), and the knife sharpening frame (802) is fixedly arranged on the outer side of the knife sharpening seat (801).

2. The tool grinding machine lifting mechanism according to claim 1, characterized in that: The horizontal drive module (200) comprises a first mounting platform (201), a first drive motor (202), a first coupling (203), a first screw rod (204) and a first fixed frame (205); the first mounting platform (201) is fixedly arranged on one side of the horizontal movable base (100); the first drive motor (202) is fixedly arranged on the first mounting platform (201); the output end of the first drive motor (202) is fixedly connected to the first coupling (203); one end of the first screw rod (204) is fixedly arranged on the first coupling (203) in a horizontal direction; the other end is rotatably connected to the first fixed frame (205); the first fixed frame (205) is fixedly arranged on the horizontal movable base (100); and the lifting movable base (300) is movably arranged on the first screw rod (204); The lifting drive module (500) comprises a second mounting platform (501), a second drive motor (502), a second coupling (503), a second screw rod (504) and a second fixed frame (505); the second mounting platform (501) is fixedly arranged on the top of the lifting movable base (300); the second drive motor (502) is fixedly arranged on the second mounting platform (501); the output end of the second drive motor (502) is fixedly connected to the second coupling (503); one end of the second screw rod (504) is fixedly arranged on the second coupling (503) in the vertical direction, and the other end is rotatably connected to the second fixed frame (505); the second fixed frame (505) is fixedly arranged on the lifting movable base (300); and the slide table (600) is movably arranged on the second screw rod (504).

3. The tool grinding machine lifting mechanism according to claim 2, characterized in that: A first connecting block (900) is movably provided on the first screw rod (204); the first connecting block (900) is fixedly connected to the lifting and movable base (300); and the lifting and movable base (300) is connected to the first screw rod (204) via the first connecting block (900); A second connecting block (110) is movably provided on the second screw rod (504); the second connecting block (110) and the slide table (600) are fixedly connected; and the slide table (600) is connected to the second screw rod (504) via the second connecting block (110).

4. The tool grinding machine lifting mechanism according to claim 1, characterized in that: First slide rails (400) are arranged in parallel on both sides of the horizontal driving module (200); the first slide rails (400) are fixedly arranged on the horizontal movable base (100); and the lifting movable base (300) is slidably arranged on the first slide rails (400); Second slide rails (700) are arranged in parallel on both sides of the lifting drive module (500); the second slide rails (700) are fixedly arranged on the lifting movable base (300); and the slide platform (600) is slidably arranged on the second slide rails (700).

5. The tool grinding machine lifting mechanism according to claim 4, characterized in that: A first sliding block (120) is slidably disposed on the first sliding rail (400), the lifting and moving base (300) is connected to the first sliding rail (400) via the first sliding block (120), and the first sliding block (120) and the lifting and moving base (300) are fixedly connected; A second sliding block (130) is slidably disposed on the second sliding rail (700); the sliding platform (600) is connected to the second sliding rail (700) via the second sliding block (130); and the second sliding block (130) and the sliding platform (600) are fixedly connected.

6. The tool grinding machine lifting mechanism according to claim 5, characterized in that: A plurality of groups of the first sliding blocks (120) are arranged on the first sliding rail (400); A plurality of groups of second sliding blocks (130) are arranged on the second sliding rail (700).

7. The tool grinding machine lifting mechanism according to claim 5, characterized in that: Guide grooves (140) are provided on both sides of the first slide rail (400) and the second slide rail (700). The structures of the guide grooves (140) are respectively matched with the first slider (120) and the second slider (130). The first slider (120) and the second slider (130) slide on the guide grooves (140).

8. The tool grinding machine lifting mechanism according to claim 5, characterized in that: The recessed member (602) is slidably disposed on the second slide rail (700), and the slide platform body (601) is slidably disposed on the second slide rail (700) on the other side.

9. The tool grinding machine lifting mechanism according to claim 1, characterized in that: A chamfer (160) is provided at the connection between the recessed part (602) and the slide body (601).

10. The tool grinding machine lifting mechanism according to claim 1, characterized in that: A plurality of mounting holes (170) are formed on the bottom surface of the recessed piece (602).

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