CN218136777U

CN218136777U - Grinding device for cutter blade

Info

Publication number: CN218136777U
Application number: CN202222549830.2U
Authority: CN
Inventors: 尚才荣; 柳士林; 陈伟; 潘波; 冯小波; 周益鹏
Original assignee: Zhejiang Benyu Tools Co ltd
Current assignee: Zhejiang Benyu Tools Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-27
Anticipated expiration: 2032-09-27

Abstract

The grinding device for the cutter blade comprises a workbench, wherein a rotary table is arranged on the workbench, a plurality of mounting seats are uniformly distributed on the outer edge of the upper surface of the rotary table in the circumferential direction, a positioning mechanism is arranged on one side of each mounting seat of the rotary table, and a grinding wheel capable of grinding the blade part of the cutter is arranged on one side of the rotary table of the workbench. Has the advantages that: because the installation seat for positioning the cutter, the pneumatic pressure head for fixing the cutter, the guide mechanism for fixing the grinding wheel and the sensor for detecting the sharpening state of the cutter are arranged, the sharpening quality and stability of the cutter are not limited by the technical level, proficiency and fatigue of operators any more; because the rotating speed of the turntable is equal to the speed of the grinding wheel for grinding the cutting edge, and a plurality of paired mounting seats and pneumatic pressure lever devices are uniformly distributed on the outer edge of the turntable, the grinding wheel can continuously grind the cutting edge, and the production efficiency of cutting edge sharpening can be greatly improved.

Description

Grinding device for cutter blade

Technical Field

The utility model relates to a cutter processing equipment technical field, more specifically says, the utility model relates to a grinding device of cutter cutting edge.

Background

In the prior art, the knife edging is generally manually polished, the next knife is polished after one knife is polished, the working efficiency is extremely low, the operation mode is limited by the technical level, proficiency and fatigue of workers, and the consistency of the knife edging quality cannot be guaranteed.

Aiming at the defect, the China patent office 2020, 06 and 09, discloses a patent application with the publication number of CN111251083A, the name of the patent is 'a single-side polishing and edging process method adopting an automatic cutter of a grinding machine', the technical scheme of the patent is that a pneumatic clamp is arranged on a robot flange plate, and then the robot flange plate is connected to an industrial robot; placing a cutter to be polished into a pneumatic clamp, and clamping and positioning; starting the abrasive belt machine to reach the process rotating speed corresponding to the current machining cutter; controlling the industrial robot to carry out calibration work of the workpiece coordinate and the tool coordinate through a control panel; the industrial robot carries out single-side blade grinding test on the abrasive belt machine, manual track teaching is carried out through a control panel, the speed is preset, a pre-grinding effect is achieved by matching with the abrasive machine, the posture of the industrial robot is switched, and the other side of the cutter is switched to carry out grinding test; after the debugging is completed, the automatic operation industrial robot carries out tool edging and polishing. The technical scheme of the patent utilizes a robot to well solve the problem of consistency of the quality of the edge cutting of the cutter, and is not limited by the influence of the technical level, the proficiency and the fatigue of an operator, but the working efficiency is not improved at all.

Disclosure of Invention

In order to overcome the above-mentioned defects, the utility model discloses the technical problem that needs to solve is: the grinding device for the cutter blade can ensure the consistency of the sharpening quality of the cutter and greatly improve the sharpening efficiency of the cutter.

The utility model provides a technical scheme that prior art exists the problem is: the utility model provides a grinding device of cutter cutting edge, it includes the workstation, be equipped with the carousel on the workstation, the outer fringe circumference equipartition of carousel upper surface has a plurality ofly to match with the cutter and makes the cutting edge portion of cutter outwards the mount pad, the carousel all is equipped with the positioning mechanism that can fix the cutter in one side of every mount pad, the workstation is equipped with the grinding wheel that can carry out the grinding to the cutting edge portion of cutter in one side of carousel. The utility model discloses the work flow of most basic technical scheme is like this: step 1, preparing a cutter blank needing edging, and step 2, turning on a motor switch for driving a turntable and enabling the turntable to rotate at the speed of grinding the edge by a grinding wheel; step 3, the cutter blanks needing edging are sequentially and correctly placed in the mounting seats on the turntable, and the mounting seats with matched structural shapes can ensure that the positions where the cutters are placed are correct; step 4, starting a positioning mechanism to fix the cutter blank on the mounting seat; step 5, opening the positioning mechanism of the sharpening cutter, and taking down the sharpening cutter to be placed in a finished product frame; step 6, correctly placing the tool blank which is not edged in the mounting seat vacated in the step 5; and 7, continuously repeating the steps from the step 4 to the step 6 until all the cutters are edged, and stopping the machine. It can be seen from this work flow that the operation personnel as long as constantly place the mount pad with the cutter blank that has not yet sharpened in, the carousel can be automatically with the mount pad of being equipped with the cutter blank that has not yet sharpened to the grinding wheel below, the grinding wheel can be automatically to placing the cutter blank that has not yet sharpened in the mount pad grinding and sharpening, then the carousel can be equipped with the mount pad that is equipped with the cutter that finishes sharpening and rotate to the operation personnel in front, the operation personnel as long as constantly will finish the cutter that sharpens take off from the mount pad and place in the finished product frame can. Can find out from this work flow, the utility model discloses the most basic technical scheme has solved the influence of technical level, proficiency, fatigue degree to the edging quality and the uniformity problem of cutter among the prior art operating personnel, and the problem that the work efficiency is low of cutter edging among the prior art has also been solved to the continuous grinding cutting edge of grinding wheel.

The positioning mechanism can adopt a screw and a pressing plate mechanism, can also adopt a pressing plate and an eccentric wheel mechanism, and is used as a further technical scheme, the positioning mechanism is a pneumatic pressing rod assembly, the pneumatic pressing rod assembly comprises a pressing rod, an air cylinder and a pneumatic switch for controlling the action of the air cylinder, and the pneumatic switch is positioned on the turntable. The pneumatic switch is used for controlling the cylinder to act, and the cylinder rod push-pull pressure rod of the cylinder locks and unlocks the cutter in the mounting seat, so that the pneumatic locking device is simple to operate, quick and convenient to act, simple in structure and low in cost.

As a further technical scheme, the pneumatic switch is positioned at the right side position of the matched pneumatic pressure rod. Therefore, the cutter can be taken and put by the left hand, and the pneumatic switch can be operated by the right hand, thereby conforming to the principle of human engineering.

As a further technical scheme, the device also comprises a control system, wherein a sensor capable of detecting the blade part of the cutter is arranged on one side of the turntable of the workbench, and the sensor is connected with the control system. The quality of the sharpening of the cutter is detected and tracked by using a sensor, the detection condition is fed back to a control system, the control system judges whether the working performance of the grinding wheel is good and the position is correct, and the result is output to other related executing mechanisms to execute related actions.

As a further technical scheme, the grinding wheel lifting device further comprises a control system, wherein a lifting mechanism capable of lifting the grinding wheel is arranged on the workbench, and the lifting mechanism is connected with the control system. When the grinding wheel is abraded due to long-time grinding work, the control system judges that the grinding wheel is abraded according to information detected by the sensor, an instruction is sent to a servo motor for driving the lifting mechanism to work, the servo motor drives the lifting mechanism to act to adjust the position of the grinding wheel so as to compensate abrasion of the grinding wheel, and good and stable sharpening quality of a cutter is guaranteed.

The lifting mechanism can be a gear and rack transmission structure, a worm and gear transmission structure or a nut screw transmission structure, as a further technical scheme, the lifting mechanism comprises a guide rail which is vertically arranged and a guide piece which can move up and down along a guide groove of the guide rail through a ball screw mechanism, and the grinding wheel is positioned on the guide piece. The guide rail is used for positioning the guide piece which is matched with the guide groove and is connected with the grinding wheel, and the guide rail has larger positioning force so as to easily bear the side force generated by grinding of the grinding wheel; the upper and lower positions of the guide piece relative to the guide rail are adjusted by utilizing the ball screw mechanism, so that the upper and lower positions of the grinding wheel can be accurately positioned, and the good and stable quality of the sharpening of the cutter is ensured.

As a further technical scheme, the blade part of the cutter protrudes out of the edge of the outer edge of the turntable. Thus, the grinding wheel is favorable for effectively avoiding the interference of the mounting seat and the turntable on the grinding work.

As a further technical scheme, the upper surface of the rotary table is provided with an annular hinge ring which is coaxially arranged with the rotary table and is connected with the rotary table into a whole, the diameter of the hinge ring is smaller than that of the rotary table, one end of the pressure rod is hinged to the hinge ring, the other end of the pressure rod is provided with a pressure resisting head, the pressure resisting head can be pressed on a cutter in a matched mounting seat, the air cylinder is positioned on the rotary table at the middle position of the pressure rod, and the middle part of the pressure rod is hinged to an air cylinder rod of the air cylinder. The arrangement of the hinge ring not only provides hinge positions for all the plurality of pressure rods at one time, but also forms steps with the rotary table, so that pollutants including cooling liquid and grinding chips can be effectively prevented from entering a cavity in the middle of the rotary table, and unexpected faults of other mechanisms arranged in the cavity of the rotary table are avoided; the cylinder is arranged at the position, located in the middle of the pressure rod, of the rotary table, so that the stroke of the cylinder can be enlarged, and operators can place and take away cutters conveniently; the other end of the pressure lever is provided with a pressure resisting head, so that the design and the arrangement of the mounting seat can be facilitated.

As a further technical scheme, the upper surface of the hinged ring is provided with an annular retainer ring which is coaxially arranged with the hinged ring and is connected into a whole, and the diameter of the retainer ring is smaller than that of the hinged ring.

Has the beneficial effects that: 1. because the installation seat for positioning the cutter, the pneumatic pressure resisting head for fixing the cutter, the guide mechanism for fixing the grinding wheel and the sensor for detecting the sharpening state of the cutter are arranged, the sharpening quality and stability of the cutter are not limited by the technical level, proficiency and fatigue of operators any more;

2. because the rotating speed of the rotary table is equal to the speed of the grinding wheel for grinding the blade, and a plurality of paired mounting seats and pneumatic pressure bar devices are uniformly distributed on the outer edge of the rotary table, the blade can be continuously ground by the grinding wheel, and the production efficiency of sharpening the cutter can be greatly improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged schematic view of the R section of FIG. 1;

fig. 3 is an enlarged schematic view of the M-section in fig. 1.

In the figure: the grinding machine comprises a workbench 1, a rotary table 2, a control system 3, a guide rail 4, a guide piece 5, a grinding wheel 6, a vertical rod 7, a pneumatic switch 8, a cooling box 9, a hinged ring 10, a retainer ring 11, a pressure rod 12, a mounting seat 13, a cutter 14, a pressing head 15, a cutting edge 16, an air cylinder 17, a sensor 18 and an induction head 19.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings.

The embodiment is a grinding device for the cutting edge of a cutter, which is shown in the figure and comprises a workbench 1 and a control system 3, wherein a rotary table 2 which can rotate relative to the workbench 1 is arranged on the workbench 1, twelve mounting seats 13 which are matched with the shape of the cutter 14 and enable the cutting edge 16 of the cutter 14 to be outward and protrude out of the outer edge of the rotary table 2 are uniformly arranged on the outer edge of the upper surface of the rotary table 2 in the circumferential direction; an annular hinge ring 10 which is coaxially arranged with the rotary table 2 and is connected into a whole is arranged on the upper surface of the rotary table 2 and is close to the central position, the diameter of the hinge ring 10 is smaller than that of the rotary table 2, the hinge ring 10 and the rotary table 2 form a step, twelve pressure rods 12 which are uniformly distributed along the circumferential direction of the hinge ring 10 are hinged on the hinge ring 10, one end of each pressure rod 12 is hinged with the hinge ring 10, the other end of each pressure rod 12 is provided with a downward extending pressure head 15, the pressure head 15 can be pressed on a cutter 14 which is positioned in a matched mounting seat 13, an air cylinder 17 is fixedly arranged below the middle position of each pressure rod 12 of the rotary table 2, the air cylinder rod of the air cylinder 17 is hinged and connected to the middle position of the pressure rod 12, and a pneumatic switch 8 for controlling the action of the air cylinder 17 is arranged on the outer circle surface of the rotary table 2 below the right of the controlled air cylinder 17; the worktable 1 is provided with a guide rail 4 which is vertically arranged on one side of a turntable 2, a guide piece 5 which can move up and down along the guide groove of the guide rail 4 through a ball screw mechanism is arranged in the guide groove of the guide rail 4, a grinding machine is fixedly connected to the guide piece 5, and a grinding wheel 6 on the grinding machine can grind and blade a blade 16 part of a cutter 14; an upright rod 7 is arranged on one side of the turntable 2 of the workbench 1, a sensor 18 is arranged at the upper end of the inclined upright rod 7, and an induction head 19 of the sensor 18 is close to a blade 16 of the cutter 14; the upper surface of the hinged ring 10 is provided with an annular retainer ring 11 which is coaxially arranged with the hinged ring 10 and is connected into a whole, and the diameter of the retainer ring 11 is smaller than that of the hinged ring 10; the sensor 18 and the servo motor for driving the ball screw mechanism to act are respectively connected with the control system 3, when the control system 3 judges that the tolerance of the blade 16 of the edging cutter 14 is close to the upper limit according to the signal sent by the sensor 18, an adjusting instruction is sent to the servo motor for driving the ball screw mechanism to act, the servo motor acts according to the instruction, the guide piece 5 moves downwards for a proper distance, and the blade 16 of the edging cutter 14 is ensured to meet the specified requirement; when the control system 3 finds that the tolerance of the edge 16 of the finishing sharpening tool 14 is still close to the upper limit after adjustment, an alarm is given to alert the operator that the grinding wheel 6 needs to be exchanged.

In addition, the worktable 1 is also provided with a cooling pipe which can spray cooling liquid to the grinding wheel 6 when the grinding wheel 6 works and is used for cooling the high temperature generated by the grinding wheel 6 and the cutter 14 during grinding; iron plates are arranged around the workbench 1 to form an accommodating cavity, and the accommodating cavity can temporarily accommodate cooling liquid and grinding chips; a cooling box 9 is arranged on one side of the workbench 1, cooling liquid in the accommodating cavity flows back to the cooling box 9 through a plastic pipe, and is filtered and cooled by the cooling box 9, and the cooling liquid can be supplied to the cooling pipe through a cooling pump.

In the examples, some common technical features familiar to those skilled in the art are not shown in the drawings.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.

Details not described in the present specification belong to the prior art known to those skilled in the art.

Claims

1. The utility model provides a grinding device of cutter cutting edge, it includes the workstation, its characterized in that, be equipped with the carousel on the workstation, the outer fringe circumference equipartition of carousel upper surface has a plurality ofly to match with the cutter and makes the blade portion of cutter outwards mount pad, the carousel all is equipped with the positioning mechanism that can fix the cutter in one side of every mount pad, the workstation is equipped with the grinding wheel that can carry out the grinding to the blade portion of cutter in one side of carousel.

2. The apparatus for grinding a tool blade according to claim 1, wherein the positioning mechanism is a pneumatic ram assembly including a ram, a cylinder, and a pneumatic switch for controlling the operation of the cylinder, the pneumatic switch being located on the turntable.

3. A device for grinding tool bits according to claim 2 characterised in that the pneumatic switch is located at the right hand position of the associated pneumatic ram.

4. A device for grinding the cutting edge of a tool according to claim 1, further comprising a control system, wherein the table is provided with a sensor on one side of the turntable for detecting the cutting edge of the tool, and the sensor is connected to the control system.

5. The apparatus for grinding a cutting edge of a tool according to claim 1, further comprising a control system, wherein the table is provided with a lifting mechanism for lifting the grinding wheel, and the lifting mechanism is connected to the control system.

6. The apparatus for grinding a cutter blade according to claim 5, wherein said elevating means comprises a guide rail arranged upright and a guide member movable up and down along a guide groove of the guide rail by means of a ball screw mechanism, said grinding wheel being located on the guide member.

7. The apparatus according to claim 1, wherein the blade portion of the tool protrudes beyond the edge of the outer periphery of the turntable.

8. The device for grinding the cutter blade according to claim 2, wherein the upper surface of the rotary table is provided with an annular hinge ring which is coaxially arranged with the rotary table and is connected with the rotary table into a whole, the diameter of the hinge ring is smaller than that of the rotary table, one end of the pressure rod is hinged to the hinge ring, the other end of the pressure rod is provided with a pressure resisting head, the pressure resisting head can be pressed on the cutter positioned in the matched mounting seat, the air cylinder is positioned on the rotary table at the middle position of the pressure rod, and the middle of the pressure rod is hinged to an air cylinder rod of the air cylinder.

9. The device for grinding a cutter blade according to claim 8, wherein an upper surface of the hinge ring is provided with an annular retainer ring coaxially arranged and integrated with the hinge ring, and a diameter of the retainer ring is smaller than that of the hinge ring.