Full-automatic tool sharpener with cooling liquid

By designing a fully automatic tool sharpener with coolant, using a liftable grinding mechanism, a movable tool clamping mechanism and a closed protective cover, the problem of dust and debris generated by grinding in open spaces with existing equipment is solved, and automated grinding and environmental protection are achieved.

CN223353727UActive Publication Date: 2025-09-19NEUFTH (SHANGHAI) MASCH TECH CO LTD
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Patent Information

Application Number
CN202422620659.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-19
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing milling cutter grinding equipment grinds in an open space, generating a large amount of flying dust and debris, which endangers the health of operators.

Method used

A fully automatic tool sharpening machine with coolant is designed, which includes a liftable grinding mechanism, a movable tool clamping mechanism and a closed protective cover. It is also equipped with a cooling mechanism and an oil mist filter to achieve automatic grinding and pollution control.

Benefits of technology

It effectively reduces dust and oil mist emissions during the grinding process, improves the operating environment, protects the health of operators, and protects the grinding wheel and tool through coolant.

✦ Generated by Eureka AI based on patent content.

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Abstract

A workbench is arranged on the upper end face of a lower cabinet body, a liftable grinding mechanism is arranged on the workbench, a cutter clamping mechanism capable of moving front and back and left and right is arranged on one side of the grinding mechanism, and a cooling mechanism used for cooling a cutter is arranged on the grinding mechanism. The cooling mechanism comprises a liquid outlet pipe, a cooling box arranged in the lower cabinet body is further included, a cooling pump is arranged in the cooling box and communicated with the liquid outlet pipe through a guide pipe, a protective cover is arranged on the outer side of the grinding mechanism and the outer side of the tool clamping mechanism, a closed space is defined by the protective cover and the lower cabinet body, and an oil mist filter is further arranged above the protective cover. The milling cutter grinding machine can automatically complete grinding of a milling cutter, a closed space is defined by the protective cover and the lower cabinet body, pollution to the periphery of equipment is reduced, the working environment of operators is improved, the cooling mechanism avoids high temperature of a grinding wheel and the cutter, meanwhile, the lubricating and dust removing effects are achieved, and the grinding wheel and the cutter are protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of vertical milling cutter grinding, in particular to a full-automatic cutter grinding machine with cooling liquid. Background Art

[0002] Vertical milling cutters are one of the most commonly used cutting tools in automated machining centers. Their cutting edges are integrated into the cutter body. Therefore, when a milling cutter's cutting edges wear out, the entire cutter must be replaced. To save production costs, the cutter is typically sharpened using a grinder before reuse. Existing milling cutter grinding equipment is not enclosed, but rather operates in an open environment. This process generates a large amount of dust and debris, posing a health risk to nearby personnel. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, a fully automatic knife sharpener with coolant is proposed to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the present invention is implemented through the following technical solutions:

[0005] A fully automatic knife sharpener with coolant comprises a lower cabinet, the upper end surface of the lower cabinet being a workbench, a grinding mechanism which can be raised and lowered is provided on the workbench, a tool clamping mechanism which can be moved forward, backward and left and right is provided on one side of the grinding mechanism, a cooling mechanism for cooling the tool is provided on the grinding mechanism, the cooling mechanism comprises a liquid outlet pipe provided on the grinding mechanism, and a cooling box provided in the lower cabinet, a cooling pump is provided in the cooling box, and the cooling pump is connected to the liquid outlet pipe through a conduit, a protective cover is provided on the outside of the grinding mechanism and the tool clamping mechanism, the protective cover and the lower cabinet form a closed space, and an oil mist filter is also provided above the protective cover.

[0006] As a further technical solution of the present invention: the oil mist filter includes a collection box and a filter arranged above the collection box and communicated with the inner cavity of the collection box, the filter includes a cylindrical protective net, an activated carbon layer and a filter cotton layer are arranged on the inner side of the protective net, the upper and lower ends of the protective net are respectively fixed with an upper end cover and a lower end cover, the lower end face of the upper end cover is fixedly connected with a motor mounting cylinder, the lower end of the motor mounting cylinder extends to the inner cavity of the collection box, a motor is installed in the motor mounting cylinder, the output end of the motor is connected to the impeller, an air inlet and an oil drain port are opened at the lower end of the collection box, an air flow channel is formed between the motor mounting cylinder and the filter cotton layer, and a primary filter net is also provided in the inner cavity of the collection box.

[0007] As a further technical solution of the present invention: the grinding mechanism includes a grinding motor, a grinding motor housing is provided on the outside of the grinding motor, one side of the grinding motor housing is installed on the lifting block and the lifting slide rail, the lifting block is installed on the lifting screw, the lifting slide rail is located on both sides of the lifting screw, the output end of the grinding motor is connected to a rotating shaft, and a disc grinding wheel and a double-sided convex grinding wheel are installed on the rotating shaft.

[0008] As a further technical solution of the present invention: the tool clamping mechanism includes a rotating tool clamp and a tool clamp motor arranged on one side of the rotating tool clamp, the output end of the tool clamp motor drives the rotating tool clamp to rotate through a belt and a pulley, the rotating tool clamp and the tool clamp motor are installed on the left and right translation slides, the left and right translation slides are installed on the left and right lead screws and slide rails, the left and right lead screws are installed on the left and right bases, the left and right lead screws are driven by the left and right translation motors arranged at one end, and front and rear translation slides are fixedly connected under the left and right bases, the front and rear translation slides are installed on the front and rear lead screws and slide rails, the front and rear lead screws are installed on the front and rear bases, the front and rear bases are installed on the workbench, and the front and rear lead screws are driven by the front and rear translation motors arranged at one end.

[0009] As a further technical solution of the present invention: a tool setting mechanism is fixedly provided on the upper end face of the grinding motor housing, the tool setting mechanism includes a fixed block fixedly provided on the grinding motor housing, a cavity is provided inside the fixed block, a telescopic rod is provided in the cavity, the telescopic rod is fixedly connected to the limiting block at one end away from the tool clamping mechanism, the limiting block extends out of the cavity, a tool setting groove is provided on the side of the fixed block away from the limiting block, a tool setting plate is provided in the tool setting groove, a groove body for accommodating the tool setting plate is also provided on the telescopic rod, one end of the telescopic rod groove body is threadedly connected to a blind hole nut, the blind hole nut keeps the tool setting plate on the telescopic rod, and a switch cooperating with the telescopic rod is provided on the side of the limiting block away from the fixed block.

[0010] As a further technical solution of the present invention: a dust storage trough is further provided on the workbench, and a detachable dust collection box is installed in the lower cabinet below the dust storage trough.

[0011] As a further technical solution of the present invention: a switch door is provided on the protective cover.

[0012] As a further technical solution of the present invention: a controller is also provided in the protective cover.

[0013] As a further technical solution of the present invention: grinding protective covers are provided on the outer sides of the disc grinding wheel and the double-sided convex grinding wheel.

[0014] Beneficial effects of the utility model:

[0015] The present invention is equipped with a grinding mechanism, a tool clamping mechanism, and a controller to automatically complete the grinding of the milling cutter. A protective cover is provided on the outside of the grinding mechanism and tool clamping mechanism. The protective cover and the lower cabinet form a closed space, reducing pollution around the equipment and improving the operating environment for operators. A cooling mechanism is provided on the grinding mechanism and tool clamping mechanism to prevent the grinding wheel and tool from reaching high temperatures, while also providing lubrication and dust removal, thus protecting the grinding wheel and tool. An oil mist filter is provided above the protective cover to absorb dust and oil mist during operation, reducing harm to the human body and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the main structure of the utility model;

[0017] Figure 2 Schematic diagram of the cross-sectional structure of the oil mist filter;

[0018] Figure 3 This is a three-dimensional schematic diagram of the main structure of the utility model after removing the protective cover;

[0019] Figure 4 It is a schematic diagram of the main structure of the cutting mechanism and the tool clamping mechanism;

[0020] Figure 5 Schematic diagram of the main structure of the grinding mechanism;

[0021] Figure 6 Schematic diagram of the main structure of the tool setting mechanism;

[0022] Figure 7 It is a schematic diagram of the main cross-sectional structure of the tool setting mechanism.

[0023] In the figure: 1-lower cabinet, 11-workbench, 12-dust trough, 13-dust box, 2-grinding mechanism, 21-grinding motor, 22-grinding motor housing, 23-lifting block, 24-lifting slide rail, 25-lifting screw, 26-rotating shaft, 27-disc grinding wheel, 28-double-sided convex grinding wheel, 29-grinding protective cover, 3-tool clamping mechanism, 31-rotating tool clamp, 311-tool clamp motor, 312-belt, 313-pulley, 32-left and right translation slide, 33-left and right screw, 34-left and right base, 35-left and right translation motor, 36-front and rear translation slide, 37-front and rear screw, 38-front and rear base, 39-front and rear translation motor , 4-cooling mechanism, 41-liquid outlet pipe, 42-cooling box, 43-cooling pump, 5-protective cover, 51-switch door, 6-oil mist filter, 61-collection box, 611-air inlet, 612-oil drain port, 613-primary filter, 62-filter, 621-protective net, 622-activated carbon layer, 623-filter cotton layer, 63-upper end cover, 64-lower end cover, 65-motor mounting cylinder, 66-motor, 67-impeller, 7-tool setting mechanism, 71-fixed block, 72-cavity, 73-telescopic rod, 74-limiting block, 75-tool setting groove, 76-tool setting plate, 77-trough body, 78-blind hole nut, 79-switch, 8-controller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Reference Figure 1-7 A fully automatic knife sharpener with coolant comprises a lower cabinet 1, the upper end surface of which is a workbench 11. The workbench 11 is provided with a grinding mechanism 2 that can be raised and lowered, and a tool clamping mechanism 3 that can be moved forward, backward, left and right is provided on one side of the grinding mechanism 2. The workbench 11 is also provided with a dust trough 12, and a removable dust box 13 is installed in the lower cabinet 1 below the dust trough 12. The dust trough 12 and the dust box 13 facilitate cleaning of solid and liquid waste generated by grinding the milling cutter. A controller 8 is also provided in the protective cover 5. The controller 8 is electrically connected to the grinding mechanism 2, the tool clamping mechanism 3, and the tool setting mechanism 7.

[0026] Grinding mechanism 2 is provided with a cooling mechanism 4 for cooling the cutting tool. Cooling mechanism 4 includes a liquid outlet pipe 41 and a cooling box 42 disposed within lower cabinet 1. Cooling box 42 is provided with a cooling pump 43, which is connected to liquid outlet pipe 41 via a conduit. Cooling box 42 contains coolant, which is poured into liquid outlet pipe 41 through the cooling pump 43 and the conduit to flow out. The coolant prevents the grinding wheel and cutting tool from overheating, and also provides lubrication and dust removal, thus protecting the grinding wheel and cutting tool.

[0027] A protective cover 5 is provided outside the grinding mechanism 2 and the tool clamping mechanism 3. The protective cover 5 and the lower cabinet 1 form a closed space. The tools are sharpened in the closed space without polluting the surrounding environment, ensuring a good working environment for the operators. The protective cover 5 is provided with a switch door 51 for easy access to the tools.

[0028] An oil mist filter 6 is also provided above the protective cover 5, and the oil mist filter 6 includes a collection box 61 and a filter 62 provided above the collection box 61 and communicated with the inner cavity of the collection box 61. An air inlet 611 and an oil discharge port 612 are provided at the lower end of the collection box 61, and the filter 62 includes a cylindrical protective net 621, and an activated carbon layer 622 and a filter cotton layer 623 are provided on the inner side of the protective net 621. The upper and lower ends of the protective net 621 are respectively fixed with an upper end cover 63 and a lower end cover 64, and the lower end surface of the upper end cover 63 is fixedly connected to a motor mounting cylinder 65, and the lower end of the motor mounting cylinder 65 extends to the inner cavity of the collection box 61. A motor 66 is installed in the motor mounting cylinder 65, and the output end of the motor 66 is connected to the impeller 67. An air flow channel is formed between the motor mounting cylinder 65 and the filter cotton layer 623, and a primary filter net 613 is also provided in the inner cavity of the collection box 61.

[0029] The motor 66 drives the impeller 67 to rotate, and the oil mist in the protective cover 5 enters the inner cavity of the collection box 61 through the air inlet 611. Most of the oil mist rises and is initially filtered through the primary filter 613, and then part of the oil mist enters the filter 62. The oil mist entering the filter 62 is filtered by the filter cotton layer 623 and the activated carbon layer 622 and then discharged through the protective net 62. The oil droplets on the primary filter 613 flow out along the inner wall of the collection box 61 through the oil discharge port 612.

[0030] The grinding mechanism 2 includes a grinding motor 21. A grinding motor housing 22 is provided on the outside of the grinding motor 21. One side of the grinding motor housing 22 is mounted on a lifting block 23 and a lifting slide 24. The lifting block 23 is mounted on a lifting screw 25. The lifting slides 24 are located on both sides of the lifting screw 25. The lifting screw 25 is driven to rotate by the lifting motor arranged above it. The output end of the grinding motor 21 is connected to a rotating shaft 26. A disc grinding wheel 27 and a double-sided convex grinding wheel 28 are mounted on the rotating shaft 26. A grinding shield 29 is provided on the outside of the disc grinding wheel 27 and the double-sided convex grinding wheel 28. The lifting motor drives the lifting screw 25 to rotate. The rotation of the lifting screw 25 drives the lifting block 23 and the grinding motor 21 to rise and fall. The grinding motor 21 drives the rotating shaft 26 to rotate, thereby driving the disc grinding wheel 27 and the double-sided convex grinding wheel 28 to rotate.

[0031] The tool clamping mechanism 3 includes a rotating tool clamp 31 and a tool clamp motor 311 arranged on one side of the rotating tool clamp 31. The output end of the tool clamp motor 311 drives the rotating tool clamp 31 to rotate through a belt 312 and a pulley 313. The rotating tool clamp 31 is used to clamp the tool, and the tool clamp motor 311 is used to drive the rotating tool clamp 31 to rotate.

[0032] The rotating tool clamp 31 and the tool clamp motor 311 are installed on the left and right translation slides 32, and the left and right translation slides 32 are installed on the left and right lead screws 33 and slide rails. The slide rails are located on both sides of the left and right lead screws 33. The left and right lead screws 33 are installed on the left and right bases 34. The left and right lead screws 33 are driven by the left and right translation motors 35 arranged at one end. The left and right translation motors 35 drive the left and right lead screws 33 to rotate. The rotation of the left and right lead screws 33 drives the left and right translation slides 32 to move left and right, thereby realizing the left and right movement of the tool.

[0033] A front-to-back translation slide 36 is fixedly connected below the left and right bases 34. The front-to-back translation slide 36 is mounted on a front-to-back lead screw 37 and a slide rail. The front-to-back lead screw 37 is mounted on a front-to-back base 38, which is mounted on the workbench 11. The front-to-back lead screw 37 is driven by a front-to-back translation motor 39 located at one end. The front-to-back translation motor 39 rotates the front-to-back lead screw 37, which in turn drives the left and right translation slide 32 and the left and right bases 34 to move forward and backward, thereby achieving forward and backward movement of the tool to be sharpened.

[0034] A tool setting mechanism 7 is fixedly provided on the upper end surface of the grinding motor housing 22. The tool setting mechanism 7 includes a fixed block 71 fixedly provided on the grinding motor housing 22. A cavity 72 is provided inside the fixed block 71. A telescopic rod 73 is provided in the cavity 72. The end of the telescopic rod 73 away from the tool clamping mechanism 3 is fixedly connected to a limit block 74. The limit block 74 extends out of the cavity 72. A tool setting groove 75 is provided on the side of the fixed block 71 away from the limit block 74. A tool setting plate 76 is provided in the tool setting groove 75. The telescopic rod 73 also has a groove body 77 for accommodating the tool setting plate 76. A blind hole nut 78 is threadedly connected to one end of the telescopic rod 73 where the groove body 77 is provided. The blind hole nut 78 holds the tool setting plate 76 on the telescopic rod 73. A switch 79 that cooperates with the telescopic rod 73 is provided on the side of the limit block 74 away from the fixed block 71. One end of the tool setting plate 76 is an inclined surface.

[0035] Specific implementation of the utility model:

[0036] The rotating toolholder 31 secures the tool being sharpened. The lifting motor drives the lifting screw 25, which in turn raises and lowers the lifting block 23 and the grinding motor 21, aligning the blind hole nut 78 with the axis of the rotating toolholder 31. The front-to-back translation motor 39 drives the front-to-back translation screw 37, which in turn moves the left-to-right translation slide 32 and the left-to-right base 34 back and forth, aligning the blind hole nut 78 with the rotating toolholder 31. The left-to-right translation motor 35 drives the left-to-right translation screws 33, which in turn move the left-to-right translation slide 32 left and right, bringing the tool being sharpened into contact with the blind hole nut 78.

[0037] The movement of the telescopic rod 73 drives the limit block 74 toward the switch 79, thereby transmitting a signal to the controller 8. The milling cutter moves to one end of the inclined surface of the tool setting plate 76. The tool clamp motor 311 is used to drive the rotary tool clamp 31 and the tool to rotate. After the tool contacts the tool setting plate 76, the tool clamp motor 311 transmits an optical signal to the controller 8. The controller 8 controls the disc grinding wheel 27 and the double-sided convex grinding wheel 28 to grind the tool.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0039] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A fully automatic knife sharpening machine with coolant, comprising a lower cabinet (1), the upper end surface of the lower cabinet (1) being a workbench (11), characterized in that: The workbench (11) is provided with a grinding mechanism (2) that can be raised and lowered, a tool holding mechanism (3) that can be moved forward, backward, left and right is provided on one side of the grinding mechanism (2), a cooling mechanism (4) for cooling the tool is provided on the grinding mechanism (2), the cooling mechanism (4) includes a liquid outlet pipe (41) provided on the grinding mechanism and (2), and also includes a cooling box (42) provided in the lower cabinet (1), a cooling pump (43) is provided in the cooling box (42), and the cooling pump (43) is connected to the liquid outlet pipe (41) through a conduit, a protective cover (5) is provided outside the grinding mechanism (2) and the tool holding mechanism (3), the protective cover (5) and the lower cabinet (1) enclose a closed space, and an oil mist filter (6) is also provided above the protective cover (5).

2. The fully automatic knife sharpener with coolant according to claim 1, characterized in that: The oil mist filter (6) comprises a collection box (61) and a filter (62) arranged above the collection box (61) and communicating with the inner cavity of the collection box (61). The filter (62) comprises a cylindrical protective net (621). An activated carbon layer (622) and a filter cotton layer (623) are arranged on the inner side of the protective net (621). An upper end cover (63) and a lower end cover (64) are fixedly arranged at the upper and lower ends of the protective net (621). The lower end surface of the upper end cover (63) is A motor mounting cylinder (65) is fixedly connected, the lower end of the motor mounting cylinder (65) extends to the inner cavity of the collection box (61), a motor (66) is installed in the motor mounting cylinder (65), the output end of the motor (66) is connected to the impeller (67), an air inlet (611) and an oil discharge port (612) are opened at the lower end of the collection box (61), an air flow channel is formed between the motor mounting cylinder (65) and the filter cotton layer (623), and a primary filter screen (613) is also provided in the inner cavity of the collection box (61).

3. The fully automatic knife sharpener with coolant according to claim 1, characterized in that: The grinding mechanism (2) includes a grinding motor (21), a grinding motor housing (22) is provided on the outer side of the grinding motor (21), one side of the grinding motor housing (22) is mounted on a lifting block (23) and a lifting slide rail (24), the lifting block (23) is mounted on a lifting screw (25), and the lifting slide rails (24) are located on both sides of the lifting screw (25), and the output end of the grinding motor (21) is connected to a rotating shaft (26), and a disc grinding wheel (27) and a double-sided convex grinding wheel (28) are mounted on the rotating shaft (26).

4. The fully automatic knife sharpener with coolant according to claim 3, characterized in that: The tool clamping mechanism (3) includes a rotating tool clamp (31) and a tool clamp motor (311) arranged on one side of the rotating tool clamp (31), the output end of the tool clamp motor (311) drives the rotating tool clamp (31) to rotate through a belt (312) and a pulley (313), the rotating tool clamp (31) and the tool clamp motor (311) are installed on left and right translation slides (32), the left and right translation slides (32) are installed on left and right lead screws (33) and slide rails, and the left and right lead screws (33) are installed On the left and right bases (34), the left and right lead screws (33) are driven by a left and right translation motor (35) arranged at one end, and a front and rear translation slide (36) is fixedly connected below the left and right bases (34), and the front and rear translation slide (36) is installed on the front and rear lead screws (37) and the slide rails, and the front and rear lead screws (37) are installed on the front and rear bases (38), and the front and rear bases (38) are installed on the workbench (11), and the front and rear lead screws (37) are driven by a front and rear translation motor (39) arranged at one end.

5. The fully automatic knife sharpening machine with coolant according to claim 3, characterized in that: The upper end surface of the grinding motor housing (22) is fixedly provided with a tool setting mechanism (7), the tool setting mechanism (7) comprising a fixed block (71) fixedly provided on the grinding motor housing (22), a cavity (72) being provided inside the fixed block (71), a telescopic rod (73) being provided in the cavity (72), one end of the telescopic rod (73) being away from the tool clamping mechanism (3) being fixedly connected to a limit block (74), the limit block (74) extending out of the cavity (72), and the fixed block (71) being away from the limit block (74). A tool setting groove (75) is provided on one side of the telescopic rod (73), a tool setting plate (76) is provided in the tool setting groove (75), a groove body (77) for accommodating the tool setting plate (76) is also provided on the telescopic rod (73), one end of the telescopic rod (73) provided with the groove body (77) is threadedly connected with a blind hole nut (78), and the blind hole nut (78) holds the tool setting plate (76) on the telescopic rod (73), and a switch (79) that cooperates with the telescopic rod (73) is provided on the side of the limit block (74) away from the fixed block (71).

6. The fully automatic knife sharpening machine with coolant according to claim 1, characterized in that: The workbench (11) is further provided with a dust collection trough (12), and a detachable dust collection box (13) is installed in the lower cabinet (1) below the dust collection trough (12).

7. The fully automatic knife sharpening machine with coolant according to claim 1, characterized in that: The protective cover (5) is provided with a switch door (51).

8. The fully automatic knife sharpening machine with coolant according to claim 1, characterized in that: A controller (8) is also provided in the protective cover (5).

9. The fully automatic knife sharpening machine with coolant according to claim 3, characterized in that: A grinding protective cover (29) is provided on the outside of the disc grinding wheel (27) and the double-sided convex grinding wheel (28).