CN208759160U

CN208759160U - a knife sharpener

Info

Publication number: CN208759160U
Application number: CN201821160773.6U
Authority: CN
Inventors: 侯胜泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2019-04-19
Anticipated expiration: 2028-07-20

Abstract

The utility model discloses a kind of knife sharpeners.The knife sharpener, including pedestal, tool motion mechanism and grinding wheel movement mechanism are installed on pedestal, the tool motion mechanism includes Y-axis slide unit, Y-axis slide unit moves under the driving of Y-axis driving mechanism along the Y-direction of pedestal, B axle fixing seat is installed at the top of Y-axis slide unit, B axle rotating mechanism is installed in B axle fixing seat, A axis fixing seat is installed in the output end of B axle rotating mechanism, A axis rotating mechanism is installed in A axis fixing seat, the output end of the A axis rotating mechanism is installed with the cutter holding component for installing knife milling tool to be repaired.The knife sharpener, first rotary shaft is B axle, it can be with the periphery of flexible utilization grinding wheel, the grinding at each position of cutter is realized in the case where vertical direction (Z axis) not being used to move along a straight line, reduce equipment manufacturing cost, the volume and weight for reducing equipment simultaneously, improves flexibility, meets medium-sized and small enterprises production needs.

Description

A kind of knife sharpener

Technical field

The utility model relates to a kind of knife sharpeners.

Background technique

The cutters such as a large amount of milling cutter, drill bit are used in machining, these cutters are mostly by excellent hard alloy, work The materials such as tool steel are made, higher cost, and in the cutting process, cutter blade necessarily will appear wear phenomenon.To reduce production Cost needs to carry out the cutter after abrasion reconditioning to reuse.Current cutter grinding mode has the following problems: 1, Hand grinding there are low precision, technical requirements are high the problems such as；2, there are two kinds of situations: a kind of situation for common mechanical polishing device Although being that equipment operation is simple, efficiency is higher, and it is single to be applicable in tool type；Although another situation is that being applicable in a variety of cutters Type, but operator is required to have compared with high-tech level, equipment adjustment is time-consuming and laborious.Therefore, it now needs a kind of to set at one The standby upper reconditioning for realizing most Common Use Tools types, and cutter grinding is carried out automatically, mitigate operator's burden, reduces enterprise The knife sharpener of equipment purchase expense.

Utility model content

The utility model provides a kind of knife sharpener that reconditioning precision is high, easy to operate, applied widely, solves existing The problem of technology.

Used technical solution is the utility model to solve above-mentioned technical problem:

A kind of knife sharpener, including pedestal are equipped with tool motion mechanism and grinding wheel movement mechanism, the cutter on pedestal Movement mechanism includes Y-axis slide unit, and Y-axis slide unit moves under the driving of Y-axis driving mechanism along the Y-direction of pedestal, on the top of Y-axis slide unit Portion is installed with B axle fixing seat, and B axle rotating mechanism is equipped in B axle fixing seat, is installed with A in the output end of B axle rotating mechanism Axis fixing seat, is equipped with A axis rotating mechanism in A axis fixing seat, and the output end of the A axis rotating mechanism is installed with for installing The cutter holding component of knife milling tool to be repaired.

The Y-axis driving mechanism includes the Y-axis lead screw that base top is set to along the Y-direction of pedestal, one end of Y-axis lead screw and Y The output shaft of spindle motor is connected, and the feed screw nut on Y-axis slide unit and Y-axis lead screw is connected, at the two sides bottom of the Y-axis slide unit direction of motion Portion is respectively equipped with Y-axis sliding block, and the two Y-axis sliding rails cooperated respectively with Y-axis sliding block are equipped on pedestal.

The B axle rotating mechanism includes the B axle motor being fixedly arranged in B axle fixing seat and is connected with the output shaft of B axle motor B axle gear reduction unit, the output end of B axle gear reduction unit and A axis fixing seat are connected.

The A axis rotating mechanism includes the A spindle motor being fixedly arranged in A axis fixing seat and is connected with the output shaft of A spindle motor A shaft gear retarder, the output end of A shaft gear retarder and cutter holding component are connected.

The grinding wheel movement mechanism includes X-axis slide unit, and X-axis slide unit is under the driving of X-axis driving mechanism along the X of pedestal to shifting It is dynamic, it is equipped with grinding wheel motor bottom plate at the top of X-axis slide unit, grinding wheel motor is installed on grinding wheel motor bottom plate, in grinding wheel motor Front end face be installed with grinding wheel mounting base, grinding wheel spindle, the front end of grinding wheel mounting base are equipped with by bearing in grinding wheel mounting base Face is equipped with the end cap of fixing bearing axial position, and one end of the output shaft of grinding wheel motor and grinding wheel spindle is connected, grinding wheel spindle it is another End cap is stretched out in one end and grinding wheel is connected.

The X-axis driving mechanism include along pedestal X to be set to base top X-axis lead screw, one end of the X-axis lead screw It is connected with the output shaft of X-axis motor, the feed screw nut on X-axis slide unit and X-axis lead screw is connected, the two of the X-axis slide unit direction of motion Side bottom is respectively equipped with X-axis slide block, and two X-axis slide rails cooperated respectively with X-axis slide block are equipped on pedestal.

The utility model using the above structure, has the advantage that

The knife sharpener, it is reasonable in design, the reconditioning of various cutters can be carried out, it is applied widely, in combination with number control Technology processed, quickly, accurate positioning improves the reconditioning precision and efficiency of cutter, alleviates the labor of operator for all parts movement Fatigue resistance.Can the cutter of reconditioning include but is not limited to: slotting cutter, corner rounding(milling) cutter, rose cutter, drill bit, pilot drill, screw tap, Angle knife etc. can also install fine grinding pole on cutter holding component and carry out grinding for straight sword milling cutter, including but not limited to: flat Head, fillet, bulb, centering, the straight swords such as chamfering milling cutter and various types carve cutter.

For the first rotary shaft of existing knife sharpener is all rotation in the horizontal plane, the utility model knife sharpener the One rotary shaft is B axle, is rotated in vertical plane, can not use vertical direction (Z with the periphery of flexible utilization grinding wheel Axis) linear motion in the case where realize each position of cutter grinding, reduce equipment manufacturing cost, while reducing the volume of equipment And weight.Moreover, tool category that the knife sharpener can be ground and cutter position increase very much, flexibility is improved, in satisfaction Small enterprise's production needs.

Detailed description of the invention

Fig. 1 is the schematic perspective view at the first visual angle of the utility model；

Fig. 2 is the schematic perspective view at the second visual angle of the utility model；

Fig. 3 is Y-axis driving mechanism, the partial structure diagram of X-axis driving mechanism in the utility model；

Fig. 4 is Y-axis driving mechanism, X-axis driving mechanism, the partial structure diagram of B axle driving mechanism in the utility model.

In figure, 1, pedestal, 2, Y-axis slide unit, 3, B axle fixing seat, 4, A axis fixing seat, 5, cutter holding component, 6, Y-axis silk Thick stick, 7, y-axis motor, 8, Y-axis sliding block, 9, Y-axis sliding rail, 10, B axle motor, 11, B axle gear reduction unit, 12, A spindle motor, 13, A Shaft gear retarder, 14, X-axis slide unit, 15, grinding wheel motor bottom plate, 16, grinding wheel motor, 17, grinding wheel mounting base, 18, grinding wheel spindle, 19, end cap, 20, grinding wheel, 21, X-axis lead screw, 22, X-axis motor, 23, X-axis slide block, 24, X-axis slide rail.

Specific embodiment

In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality It is described in detail with novel.

As shown in Fig. 1-Fig. 4, the present embodiment knife sharpener, including pedestal 1, tool motion mechanism is installed on pedestal 1 With grinding wheel movement mechanism, the tool motion mechanism includes Y-axis slide unit 2, and Y-axis slide unit 2 is at the driving lower edge bottom of Y-axis driving mechanism The Y-direction of seat 1 is mobile, is installed with B axle fixing seat 3 at the top of Y-axis slide unit 2, the Y around pedestal 1 is equipped in B axle fixing seat 3 To the B axle rotating mechanism of rotation, it is installed with A axis fixing seat 4 in the output end of B axle rotating mechanism, is installed in A axis fixing seat 4 There is A axis rotating mechanism of the X around pedestal 1 to rotation, the output end of the A axis rotating mechanism is installed with for installing sharpening to be repaired The cutter holding component 5 of tool.

The Y-axis driving mechanism includes the Y-axis lead screw 6 that 1 top of pedestal is set to along the Y-direction of pedestal 1, one end of Y-axis lead screw 6 It is connected with the output shaft of y-axis motor 7, the feed screw nut on Y-axis slide unit 2 and Y-axis lead screw 6 is connected, in 2 direction of motion of Y-axis slide unit Two side bottoms be respectively equipped with Y-axis sliding block 8, on pedestal 1 be equipped with two respectively with Y-axis sliding block 8 cooperate Y-axis sliding rails 9.

The B axle rotating mechanism includes the B axle motor 10 being fixedly arranged in B axle fixing seat 3 and the output shaft with B axle motor 10 Connected B axle gear reduction unit 11, the output end and A axis fixing seat 4 of B axle gear reduction unit 11 are connected.B axle gear reduction unit 11 The power source generated as the output end of B axle rotating mechanism, B axle motor 10 as rotation.

The A axis rotating mechanism includes the A spindle motor 12 being fixedly arranged in A axis fixing seat 4 and the output shaft with A spindle motor 12 Connected A shaft gear retarder 13, the output end and cutter holding component 5 of A shaft gear retarder 13 are connected.A shaft gear slows down Output end of the device 13 as B axle rotating mechanism, the power source that A spindle motor 12 is generated as rotation.

The grinding wheel movement mechanism includes X-axis slide unit 14, and X-axis slide unit 14 is under the driving of X-axis driving mechanism along the X of pedestal 1 To movement, it is equipped with grinding wheel motor bottom plate 15 at the top of X-axis slide unit 14, is installed with grinding wheel motor on grinding wheel motor bottom plate 15 16, it is installed with grinding wheel mounting base 17 in the front end face of grinding wheel motor 16, grinding wheel is equipped with by bearing in grinding wheel mounting base 17 Axis 18, the front end face of grinding wheel mounting base 17 are equipped with the end cap 19 of fixing bearing axial position, the output shaft of grinding wheel motor 16 with One end of grinding wheel spindle 18 is connected, and the other end of grinding wheel spindle 18 stretches out end cap 19 and grinding wheel 20 is connected.

The X-axis driving mechanism includes the X along pedestal 1 to the X-axis lead screw 21 for being set to the top of pedestal 1, the X-axis lead screw 21 One end be connected with the output shaft of X-axis motor 22, the feed screw nut on X-axis slide unit 14 and X-axis lead screw 21 is connected, in X-axis slide unit Two side bottoms of 14 directions of motion are respectively equipped with X-axis slide block 23, and two X-axis cooperated respectively with X-axis slide block 23 are equipped on pedestal 1 Sliding rail 24.

The X-axis motor, y-axis motor, A spindle motor, B axle motor can use stepper motor or servo motor.

The present embodiment knife sharpener further includes the processing and transmitting for being responsible for various control signals and feedback signal, to each fortune Dynamic component spatial position calculate and the control unit of motion control, control unit include computer, are connected with computer Motion control card, and the current sensor on grinding wheel motor power supply line.Current sensor is for measuring and transmitting electric current Data are to computer, and computer, which compares curent change, can perceive contact situation of the grinding wheel with cutter, in combination with each fortune The position of moving axis can be obtained by the position of knife milling tool to be repaired by calculating, and motion control card will be sent instructions to after calculating, transport Dynamic control card issues pulse signal to X-axis motor, y-axis motor, A spindle motor, B axle motor, and motor is rotated according to instruction, makes cutter It is in correct spatial position simultaneously with grinding wheel, completes the reconditioning to each position of cutter.

The course of work of the knife sharpener is as follows:

1, cutter parameters are inputted in a computer: type, geometry and size；

2, by Cutting tool installation manner to be grinding on the cutter holding component of knife sharpener；

3, computer determines installation site of the cutter in knife sharpener by received signal.

4, computer software is according to the relationship and electric current between knife milling tool initial position to be repaired and the cutter parameters of input The current signal that sensor is sent the spatial movement geometrical relationship of cutter and grinding wheel and sends instructions to movement when calculating reconditioning Control card, motion control card issue pulse signal to tool motion mechanism and grinding wheel movement mechanism, make its X-axis, Y-axis, A axis and Co-operating in four directions of motion of B axle, makes cutter and grinding wheel all in correct spatial position, to make the final reconditioning of cutter To the perfect form for meeting cutter parameters requirement, the reconditioning of cutter is completed.

Specifically, y-axis motor 7 acts, and drives Y-axis lead screw 6 to rotate, so that Y-axis slide unit 2 be made to do the side Y along Y-axis sliding rail 9 To linear motion, Y-axis slide unit 2 will drive B axle fixing seat 3 at the top of it and B axle rotating mechanism to move linearly；B axle motor 10 Movement will drive the A axis fixing seat 4 being connected with B axle rotating mechanism output end and A axis rotating mechanism to rotate around Y-axis；A spindle motor 12 Movement will drive the cutter holding component 5 being connected with A axis rotating mechanism output end to rotate；X-axis motor 22 acts, and drives X-axis silk Thick stick 21 rotates, so that X-axis slide unit 14 be made to do X-direction linear motion along X-axis slide rail 24, X-axis slide unit 14 will drive the sand at the top of it Turbin generator bottom plate 15, grinding wheel motor 16 etc. do X-direction linear motion.Grinding wheel motor 16 acts, and grinding wheel can be made to rotate.Pass through knife Have the cooperation of movement mechanism and grinding wheel movement mechanism, reconditioning is carried out to each position of cutter, guarantees the reconditioning precision of cutter.

Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model It protects in range.

Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.

Claims

1. a knife sharpening machine is characterized in that: comprise a base, a tool movement mechanism and a grinding wheel movement mechanism are installed on the base, and the tool movement mechanism comprises a Y-axis sliding table, and the Y-axis sliding table is driven by a Y-axis drive mechanism. The bottom moves along the Y direction of the base, a B-axis fixed seat is fixed on the top of the Y-axis sliding table, a B-axis rotating mechanism is installed on the B-axis fixed seat, and an A-axis fixed seat is fixed on the output end of the B-axis rotating mechanism An A-axis rotation mechanism is installed on the A-axis fixed seat, and a tool holder assembly for installing a tool to be sharpened is fixed at the output end of the A-axis rotation mechanism.

2 . The knife sharpener according to claim 1 , wherein the Y-axis drive mechanism comprises a Y-axis screw that is arranged on the top of the base along the Y-direction of the base, and one end of the Y-axis screw is connected to the Y-axis. 3 . The output shaft of the motor is connected, the Y-axis slide table is fixedly connected with the lead screw nut on the Y-axis lead screw, the Y-axis slide blocks are respectively provided at the bottom of both sides of the Y-axis slide table in the direction of movement, and the base is provided with two The Y-axis slide rail is matched with the Y-axis slider.

3. A knife sharpener according to claim 1, wherein the B-axis rotating mechanism comprises a B-axis motor fixed on the B-axis fixed seat and a B-axis connected with the output shaft of the B-axis motor Gear reducer, the output end of the B-axis gear reducer is fixedly connected with the A-axis fixed seat.

4. A knife sharpener according to claim 1, wherein the A-axis rotation mechanism comprises an A-axis motor fixed on the A-axis fixed seat and an A-axis connected with the output shaft of the A-axis motor Gear reducer, the output end of the A-axis gear reducer is fixedly connected with the tool holder assembly.

5. A knife sharpener according to claim 1, characterized in that: the grinding wheel motion mechanism comprises an X-axis sliding table, and the X-axis sliding table is driven by the X-axis driving mechanism to move along the X direction of the base, and the X-axis sliding table moves along the X direction of the base under the driving of the X-axis driving mechanism. The top of the shaft slide table is provided with a grinding wheel motor bottom plate, a grinding wheel motor is fixed on the grinding wheel motor bottom plate, a grinding wheel mounting seat is fixed on the front end surface of the grinding wheel motor, and the grinding wheel mounting seat is mounted with a grinding wheel shaft through a bearing, and the grinding wheel mounting seat The front end surface of the grinding wheel is provided with an end cover for fixing the axial position of the bearing, the output shaft of the grinding wheel motor is fixedly connected with one end of the grinding wheel shaft, and the other end of the grinding wheel shaft extends out of the end cover and is fixedly connected with the grinding wheel.

6 . The knife sharpener according to claim 5 , wherein the X-axis driving mechanism comprises an X-axis lead screw arranged on the top of the base along the X-direction of the base, and one end of the X-axis lead screw is connected to the base. 7 . The output shaft of the X-axis motor is connected, the X-axis slide table is fixedly connected with the lead screw nut on the lead screw, the X-axis slide blocks are respectively provided at the bottoms of both sides of the X-axis slide table in the moving direction, and the base is provided with two The X-axis slide rail is matched with the X-axis slider.