CN112658822A

CN112658822A - Be applied to high rigidity glass drill preparation facilities

Info

Publication number: CN112658822A
Application number: CN202011471427.1A
Authority: CN
Inventors: 朱兰俊
Original assignee: Zhenjiang Jinye Tools Co ltd
Current assignee: Zhenjiang Jinye Tools Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-04-16

Abstract

The invention relates to a device for preparing a high-hardness glass drill bit, which comprises a base and a sliding seat, positioner and upset anchor clamps, set up positioner on the base, a plurality of upset anchor clamps of installation on the positioner, still be equipped with a plurality of fixed blocks on the positioner, positioner drives the upset anchor clamps activity and cooperatees with the fixed block, realize the upset anchor clamps upset, the base both sides are equipped with the positioning seat, be equipped with the guide rail between the positioning seat, it sets up the sliding seat to slide on the guide rail, the sliding seat runs through and is equipped with the lead screw, lead screw and sliding seat threaded connection, the lead screw both ends are rotated and are set up on the positioning seat, positioning seat one end is equipped with drive lead screw pivoted rotating electrical machines, both ends are equipped with support and support on the sliding seat, be equipped with driving motor on the support, be connected with the pivot on the driving motor output shaft, pivot one. The automatic polishing machine has the advantages that automatic polishing is realized, complex adjustment is not needed manually, labor consumption is greatly reduced, and polishing efficiency is improved.

Description

Be applied to high rigidity glass drill preparation facilities

Technical Field

The invention belongs to the technical field of drill bit processing equipment, and particularly relates to a device for preparing a high-hardness glass drill bit.

Background

The drill bit is a cutting tool used by a typical drill or drilling machine to cut a circular hole. The basic principle of the drill bit is to rotate the edge cutting of the drill bit, cut a workpiece and remove drill cuttings through a drill slot. The drill bit that commonly uses mainly has fluted drill, flat drill, center drill, deep hole to bore and trepanning to bore etc. this type is in production machine shaping back, in order to guarantee its drilling quality, need polish to smooth to the blade of drill bit, and it is sharp to polishing the chamfer position of two blades simultaneously.

The tradition mode of polishing is that artifical both hands grip the drill bit front end and come to polish near the emery wheel when the blade of polishing, with the laminating of drill bit blade wheel of polishing, and contained angle is great relatively between drill bit and the wheel of polishing, when polishing the chamfer, need aim at the corner position of the wheel of polishing with the chamfer position of drill bit sharp, the contained angle between drill bit and the wheel of polishing is less relatively this moment, consequently need rotation angle in the in-process of polishing in order to fully polish blade and chamfer, the high-frequency vibration that produces when the drill bit was polished leads to operating personnel to produce fatigue easily, need consume a large amount of manpowers and keep gripping, and the in-process of polishing can produce the spark and splash, produce the injury to operating personnel hand easily.

The existing drill bit clamp can only fix the drill bit, cannot turn over to polish the blade face on the other side of the drill bit, needs to be manually disassembled, then rotates to adjust the angle, is fixed again to polish, is very complex to operate, and affects the polishing efficiency; the existing clamp is relatively fixed in position, the position and the angle of the clamp need to be adjusted after the clamp fixes the drill bit, the position of the drill bit on the clamp also needs to be adjusted, so that the cutting edge of the drill bit can be attached to the polishing wheel, the clamp can be controlled to move towards the polishing wheel through the screw rod and polish the drill bit in the prior art, but the mode only can polish one drill bit when polishing, a plurality of drill bits cannot be polished simultaneously, and the polishing efficiency is low.

Disclosure of Invention

Aiming at the problems, the invention discloses a preparation device for a high-hardness glass drill bit, which can automatically send the drill bit to a grinding wheel for grinding without manually adjusting the position of a clamp, simultaneously grind a plurality of drill bits, and realize the turning of the drill bit without disassembling and assembling the drill bit when the drill bit is adjusted, thereby grinding the cutting edge and chamfer angle of the drill bit.

The specific technical scheme is as follows:

the preparation device is applied to the high-hardness glass drill bit and comprises a base, a sliding seat, a positioning device and a turning clamp, wherein the positioning device is arranged on the base, a plurality of turning clamps are arranged on the positioning device, a plurality of fixed blocks are also arranged on the positioning device, the positioning device drives the turning clamp to move and match with the fixed blocks to realize the turning of the turning clamp, positioning seats are arranged on two sides of the base, a guide rail is arranged between the positioning seats, the sliding seat is arranged on the guide rail in a sliding manner, the sliding seat is horizontally provided with a lead screw in a penetrating manner, the lead screw is in threaded connection with the sliding seat, two ends of the lead screw are rotatably arranged on the positioning seats, one end of each positioning seat is provided with a rotating motor for driving the lead screw to rotate, two ends of the sliding seat are provided with a support and a support, a driving motor is arranged on, and a large polishing wheel and a small polishing wheel are arranged on the rotating shaft, the large polishing wheel and the small polishing wheel are attached to each other, the large polishing wheel and the small polishing wheel are both positioned on one side of the positioning device, and the large polishing wheel and the small polishing wheel are positioned at the centers of the plurality of overturning clamps.

Furthermore, the positioning device comprises a fixing frame, a servo motor, a positioning disc and a rotating disc, the fixing frame is fixedly arranged on the base and positioned above the sliding seat, the fixing frame comprises a supporting column, a top plate and a bottom plate, the top plate and the bottom plate are arranged at the upper end and the lower end of the supporting column, the servo motor is arranged on the top plate, a first transmission wheel is arranged on an output shaft of the servo motor, the positioning disc is longitudinally arranged between the top plate and the bottom plate, the upper end and the lower end of the positioning disc are respectively and fixedly connected with the top plate and the bottom plate, a through hole is formed in the center of the positioning disc, a plurality of arc-shaped holes are spirally arranged around the through hole, a plurality of fixing blocks are arranged at one side edge of the positioning disc, each fixing block is respectively positioned at the tail end of each arc-shaped hole, a sliding rail with an annular structure, the rotating seat is of a cylindrical structure, the center of the rotating seat and the center of the through hole are positioned on the same axis, the rotating shaft is arranged at the center of the rotating seat and the center of the through hole in a penetrating way, a second driving wheel is arranged on the rotating seat, the second driving wheel is in transmission connection with the first driving wheel through a transmission belt, so that the servo motor drives the rotating disc to rotate, the rotating disc is provided with a plurality of groups of strip-shaped guide holes which are uniformly distributed around the rotating seat, and the superposition position of each group of guide holes and each arc-shaped hole is provided with a sliding shaft in a penetrating way, the size of the sliding shaft is adapted to the width size of the guide holes and the arc-shaped holes, and the sliding shaft both ends are equipped with the stopper, and the one end setting that the sliding shaft is located the positioning disk the upset anchor clamps, when the upset anchor clamps move on the positioning disk with the fixed block cooperatees, realizes that the upset anchor clamps drive the drill bit and overturn.

Furthermore, the quantity of every group guiding hole is two, and two guiding holes all distribute along rolling disc center direction, and the sliding shaft in two guiding holes all runs through same arc hole.

Furthermore, a hanging seat is arranged at the bottom of the top plate, a bearing is arranged on the hanging seat, and the inner ring of the bearing is provided with the rotating seat.

Further, the turning clamp comprises a fixed plate, a rotating seat, a positioning cylinder and a limiting seat, wherein the rotating seat and the limiting seat are arranged on the fixed plate, a cross-shaped limiting hole is formed in the limiting seat, a positioning bearing is arranged in the rotating seat, the inner ring of the positioning bearing is arranged on the positioning cylinder, one end of the positioning cylinder is arranged in an opening manner, a clamping seat is arranged at one opening end of the positioning cylinder, a clamping assembly is arranged on the clamping seat, a turning seat is arranged at the other end of the positioning cylinder, the turning seat is of a hollow cylindrical structure, a movable groove of a Z-shaped structure is circumferentially arranged on the outer wall of the turning seat, the two ends of the movable groove are connected, a through hole is formed in one end of the turning seat, a limiting end is arranged at one end of the through hole, a movable rod is movably arranged in the through hole and is of a cross, and limiting plate one side is equipped with compression spring, compression spring one end is supported and is pressed groove upset seat inner chamber one end, and the movable rod other end runs through spacing hole on the spacing seat is connected with the trace, the position of trace is corresponding with the position of fixed block, and trace one end is for buckling the setting and be equipped with the telescopic link perpendicularly, the telescopic link lower extreme is embedded into the movable groove, and telescopic link size and movable groove size looks adaptation, realize through promoting the trace for the telescopic link removes and under the shape effect in movable groove in the movable groove, and the upset seat drives a location section of thick bamboo and rotates 180 degrees on rotating the seat.

Further, the centre gripping subassembly includes and rotates cover and collet chuck, rotate the outer wall threaded connection of cover and holder to compress tightly collet chuck's one end, the collet chuck other end is embedded into the wall of holder, and the holder inner wall be the toper structure and with collet chuck looks adaptation, make collet chuck outer wall compress tightly the holder inner wall.

Further, the activity groove includes two straight slot parts and two arc slot parts, two straight slot part symmetry sets up in upset seat both sides, and straight slot part all sets up along upset seat axis direction, the one end that straight slot part is close to the trace is equipped with and is used for carrying out spacing constant head tank to the activity about the telescopic link, and two straight slot part both ends are connected with the one end of two arc slot parts respectively, and two arc slot parts slope sets up on upset seat surface, and wherein the depth dimension that the arc slot part is close to a position section of thick bamboo one end is greater than the depth dimension of straight slot part.

Furthermore, the telescopic link runs through the one end of trace perpendicularly, and the top and the lower extreme of telescopic link are equipped with locating plate and locating plate down respectively, and the cover is equipped with expanding spring on the telescopic link, expanding spring's both ends are supported respectively and are pressed at locating plate top and trace bottom down.

Furthermore, the through hole is of a circular structure, and the size of the through hole is matched with that of the movable rod.

Further, still install the PLC controller on the base, the electricity is connected with the button on the PLC controller, and the PLC controller is connected with rotating electrical machines, servo motor and driving motor electricity respectively.

The working principle is as follows: when the cutting edge of the drill bit is polished, the drill bit is firstly arranged on each overturning clamp, the position of each drill bit on each overturning clamp is the same, then the PLC controller controls the rotating motor to drive the sliding seat to move, the position of the small polishing wheel corresponds to the position of the turning clamp, then the driving motor is started to drive the polishing wheel to rotate, the servo motor is started to rotate the rotating disc, thereby leading the sliding shaft to start moving in the guide hole and the arc-shaped hole, leading the overturning clamp to drive the drill bit to be close to the small grinding wheel, thereby polishing one side cutting edge of the drill bit, after polishing, the servo motor rotates reversely, so that the overturning clamp retreats until the linkage rod is pushed by the fixed block, so that the positioning cylinder is turned over under the matching of the telescopic rod and the movable groove, and finally the servo motor drives the turning clamp to move forwards, thereby polishing the cutting edge on the other side of the drill bit.

When the drill bit is used for polishing the chamfer angle, the PLC controller controls the rotating motor to drive the sliding seat to move, the position of the drill bit on the overturning clamp corresponds to the position of one side edge of the large polishing wheel, and then the overturning clamp is driven by the servo motor and the corner of the drill bit close to the polishing wheel is polished; after polishing, servo motor reverses for the upset anchor clamps are backed down until the trace promotes at the fixed block, make a location section of thick bamboo overturn once more under telescopic link and movable groove cooperation, and rotating electrical machines drives the sliding seat and removes simultaneously, makes the position of the last drill bit of upset anchor clamps and big grinding wheel another side angular position corresponding, and servo motor redrives the upset anchor clamps at last and moves forward, thereby polishes drill bit opposite side chamfer.

The invention has the beneficial effects that:

(1) when using, drive the sliding seat through PLC controller control rotating electrical machines and remove, can switch over the big wheel of polishing and the little wheel of polishing operation of polishing to the cooperation upset anchor clamps are in the different positions on the positioning disk, thereby can polish to the blade and the chamfer of drill bit, have realized automatic polishing, need not the manual work and carry out complicated adjustment, the consumption of the manpower that has significantly reduced has improved the efficiency of polishing.

(2) According to the invention, the sliding shafts are driven to displace by matching the rotating disc and the positioning disc, the fixing plate and the clamp are close to or far away from the polishing wheel under the action of the arc-shaped hole, and the included angle between the drill bit and the polishing wheel can meet the polishing angle of the cutting edge of the drill bit, so that the simultaneous polishing of a plurality of drill bits is realized, and the polishing efficiency is greatly improved.

(3) Adopt a location section of thick bamboo cooperation centre gripping subassembly to fix a position the drill bit, the in-process is retreating to upset anchor clamps, make trace y and fixed block cooperation, make the telescopic link that is located straight slot portion slide to the one end of arc slot portion, compression spring's the effect of resuming pushes the movable rod and resets this moment, make the telescopic link under the difference in height influence between straight slot portion and arc slot portion, it removes and removals to the spacing hole of opposite side straight slot portion again rotating the seat surface to prolong the arc slot portion, thereby realize rotating seat and drive a location section of thick bamboo and drill bit and overturn 180, need not artifical dismantlement installation drill bit, also need not to adopt in addition drive assembly to press down the trace, can realize the upset to the drill bit, the machining efficiency of drill bit has been improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view between the turning clamp and the small grinding wheel in the invention.

Fig. 3 is a schematic structural view between the turning clamp and the large grinding wheel in the invention.

Fig. 4 is a schematic structural view between the positioning disc and the rotating disc in the present invention.

Fig. 5 is a side view of the invert clamp of the present invention.

Fig. 6 is a sectional view of the inverting clamp of the present invention.

Fig. 7 is a perspective view of the roll-over stand of the present invention.

Description of the reference numerals

A base 1;

the device comprises a sliding seat 2, a positioning seat 21, a guide rail 22, a screw rod 23, a rotating motor 24, a support 25, a bracket 26, a driving motor 27, a rotating shaft 28, a large grinding wheel 281 and a small grinding wheel 282;

the positioning device 3, the fixed frame 31, the support column 311, the top plate 312, the bottom plate 313, the hanging seat 314, the bearing 3141, the servo motor 32, the first transmission wheel 321, the transmission belt 322, the rotating disc 33, the rotating seat 331, the second transmission wheel 332, the guide hole 333, the sliding shaft 334, the limit block 3341, the positioning disc 34, the through hole 341, the arc-shaped hole 342, the sliding rail 343 and the fixed block 35;

the overturning device comprises an overturning clamp 4, a fixed plate 41, a rotating seat 42, a positioning bearing 421, a positioning cylinder 43, a clamping seat 431, a spring chuck 432, a rotating sleeve 433, an overturning seat 45, a movable groove 451, a straight groove portion 4511, a positioning groove 45111, an arc groove portion 4512, a through hole 452, a limiting end 4521, a movable rod 453, a limiting plate 4531, a compression spring 4532, a linkage rod 454, an expansion rod 455, an upper positioning plate 4551, a lower positioning plate 4552, an expansion spring 4553, a limiting seat 46 and a limiting hole 461;

PLC controller 5, button 51.

Detailed Description

In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be performed by welding, bolt and nut connection and screw connection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-7, the device for manufacturing a high-hardness glass drill bit comprises a base 1, a sliding seat 2, a positioning device 3 and a turning fixture 4, wherein the positioning device 3 is arranged on the

base

1, 4 turning fixtures 4 are installed on the

positioning device

3, 4 fixing blocks 35 are further arranged on the positioning device 3, the positioning device 3 drives the turning fixture 4 to move and is matched with the fixing blocks 35, so as to turn the turning fixture 4, positioning seats 21 are arranged on two sides of the base 1, guide rails 22 are arranged between the positioning seats 21, the sliding seat 2 is slidably arranged on the guide rails 22, a lead screw 23 is horizontally arranged on the sliding seat 2 in a penetrating manner, the lead screw 23 is in threaded connection with the sliding seat 2, two ends of the lead screw 23 are rotatably arranged on the positioning seats 21, one end of each positioning seat 21 is provided with a rotating motor 24 for driving the lead screw 23 to rotate, two ends of each sliding seat 2 are, be equipped with driving motor 27 on the support 25, be connected with pivot 28 on driving motor 27's the output shaft, pivot 28 one end is rotated and is set up on support 26, and is equipped with big wheel 281 and the little wheel 282 of polishing on the pivot 28, the laminating setting between big wheel 281 and the little wheel 282 of polishing, big wheel 281 and the little wheel 282 of polishing all are located one side of positioner 3, and just big wheel 281 and the little wheel 282 of polishing are located the center of 4 upset anchor clamps 4.

Further, the positioning device 3 includes a fixing frame 31, a servo motor 32, a positioning disc 34 and a rotating disc 33, the fixing frame 31 is fixedly disposed on the base 1 and located above the sliding seat 2, the fixing frame 31 includes a supporting column 311, and a top plate 312 and a bottom plate 313 which are disposed at the upper end and the lower end of the supporting column 311, the servo motor 32 is disposed on the top plate 312, a first transmission wheel 321 is disposed on an output shaft of the servo motor 32, the positioning disc 34 is longitudinally disposed between the top plate 312 and the bottom plate 313, the upper end and the lower end of the positioning disc 34 are respectively fixedly connected with the top plate 312 and the bottom plate 313, a through hole 341 is disposed at the center of the

positioning disc

34, and 4 arc holes 342 are disposed around the through hole 341 in a spiral arrangement manner, 4 fixing blocks 35 are disposed at one side edge of the positioning disc 34, each fixing block 35 is respectively located at the end position of each arc hole, the positioning disc 34 is slidably connected with the rotating disc 33 through the sliding rail 343, a rotating base 331 is disposed at the center of one side of the rotating disc 33, the rotating base 331 is in a cylindrical structure, the center of the rotating base 331 and the center of the through opening 341 are located on the same axis, the center of the rotating base 331 and the center of the through opening 341 are disposed through the rotating shaft 28, the large polishing wheel 281 and the small polishing wheel 282 are located at one side of the positioning disc 34, wherein the position of the small polishing wheel 282 on the rotating shaft 28 is located at one end close to the positioning disc 34, a second transmission wheel 332 is disposed on the rotating base 331, the second transmission wheel 332 is in transmission connection with the first transmission wheel 321 through a transmission belt 322, so that the servo motor 32 drives the rotating disc 33 to rotate, 4 sets of strip-shaped guide holes 333 are disposed on the rotating disc 33, the 4 sets of guide holes 333 are uniformly distributed around the rotating base 331, and a sliding shaft 334 is disposed at the overlapping position of each set of, the size of the sliding shaft 334 is matched with the width of the guide hole 333 and the arc-shaped hole 342, the two ends of the sliding shaft 334 are provided with limit blocks 3341, the sliding shaft 334 is positioned at one end of the positioning disc 34 and is provided with the turning clamp 4, the turning clamp 4 is matched with the fixed block 35 when moving on the positioning disc 34, the turning clamp 4 drives the drill bit to turn, the sliding shaft 334 moves to the position of the most front end of the arc-shaped hole 342 when the cutting edge of the drill bit is ground and is matched with the small grinding wheel 282 for grinding, and the included angle between the drill bit and the small grinding wheel is larger; when the chamfering of the drill bit is ground, the sliding shaft 334 moves to the middle position of the arc-shaped hole 342 and is matched with the large grinding wheel 281 for grinding, and the included angle between the drill bit and the large grinding wheel 281 is relatively small at the moment.

Further, the number of each group of guide holes 333 is two, two guide holes 333 are distributed along the center direction of the rotating disc 33, and the sliding shafts 334 in the two guide holes 333 penetrate through the same arc-shaped hole 342.

Further, a hanging seat 314 is arranged at the bottom of the top plate 312, a bearing 3141 is arranged on the hanging seat 314, and the rotating seat 331 is arranged on an inner ring of the bearing 3141.

Further, the turning fixture 4 comprises a fixing plate 41, a rotating seat 42, a positioning cylinder 43 and a limiting seat 46, wherein the fixing plate 41 is provided with the rotating seat 42 and the limiting seat 46, the limiting seat 46 is provided with a cross-shaped limiting hole 461, the rotating seat 42 is internally provided with a positioning bearing 421, the positioning bearing 421 is internally provided with the positioning cylinder 43, one end of the positioning cylinder 43 is provided with an opening, one end of the positioning cylinder 43, which is provided with a clamping seat 431, is provided with a clamping component, the other end of the positioning cylinder 43 is provided with a turning seat 45, the turning seat 45 is of a hollow cylindrical structure, the outer wall of the turning seat 45 is circumferentially provided with a movable groove 451 of a Z-shaped structure, two ends of the movable groove 451 are connected, one end of the turning seat 45 is provided with a through hole 452, the inner cavity of the turning seat 45 is located at one end of the through hole 452, one end of the through hole 452 is provided, the movable rod 453 is in a cross structure, one end of the movable rod 453 is provided with a limiting plate 4531, one side of the limiting plate 4531 is provided with a compression spring 4532, one end of the compression spring 4532 abuts against one end of the inner cavity of the groove overturning seat 45, the other end of the movable rod 453 penetrates through a limiting hole 461 on the limiting seat 46 and is connected with a linkage 454, the linkage 454 corresponds to the fixed block 35, one end of the linkage 454 is bent and provided with a telescopic rod 455 vertically, the lower end of the telescopic rod 455 is embedded into the movable groove 451, the size of the telescopic rod 455 is matched with that of the movable groove 451, and the linkage 454 is pushed to enable the telescopic rod 455 to move in the movable groove 451 and the positioning cylinder 43 to rotate 180 degrees on the rotating seat 42 under the shape effect of the movable groove 451.

Further, the clamping assembly comprises a rotating sleeve 433 and a collet 432, the rotating sleeve 433 is in threaded connection with the outer wall of the clamping seat 431 and presses one end of the collet 432, the collet 432 is an ER collet, the other end of the collet 432 is embedded into the wall of the clamping seat 431, and the inner wall of the clamping seat 431 is in a tapered structure and is matched with the collet 432, so that the outer wall of the collet 432 presses the inner wall of the clamping seat 431.

Further, the movable groove 451 comprises two straight groove portions 4511 and two arc groove portions 4512, the two straight groove portions 4511 are symmetrically disposed on two sides of the tilting seat 45, the straight groove portions 4511 are disposed along the axial direction of the tilting seat 45, one end of the straight groove portion 4511 close to the linkage 454 is provided with a positioning groove 45111 for limiting the left and right movement of the telescopic rod 455, two ends of the two straight groove portions 4511 are respectively connected with one end of the two arc groove portions 4512, the two arc groove portions 4512 are obliquely disposed on the surface of the tilting seat 45, and the depth dimension of one end of the arc groove portion 4512 close to the positioning cylinder 43 is greater than that of the straight groove portion 4511.

Further, the telescopic rod 455 vertically penetrates through one end of the linkage 454, an upper positioning plate 4551 and a lower positioning plate 4552 are respectively arranged at the top and the lower end of the telescopic rod 455, an extension spring 4553 is sleeved on the telescopic rod 455, and two ends of the extension spring 4553 respectively abut against the top of the lower positioning plate 4552 and the bottom of the linkage 454.

Further, the through hole 452 is a circular structure, and the size of the through hole 452 is matched with the size of the movable rod 453.

Further, a PLC controller 5 is further installed on the base 1, a button 51 is electrically connected to the PLC controller 5, and the PLC controller 5 is electrically connected to the rotating motor 24, the servo motor 32 and the driving motor 27 respectively.

The working principle is as follows: when the cutting edges of the drill bits are polished, the drill bits are firstly installed on each overturning fixture 4, the positions of the drill bits on the overturning fixtures 4 are the same, then the PLC 5 controls the rotating motor 24 to drive the sliding seat 2 to move, the position of the small polishing wheel 282 corresponds to the position of the overturning fixture 4, then the driving motor 27 is started to drive the polishing wheel to rotate, the servo motor 32 is started to drive the rotating disc 33 to rotate, the rotating disc 33 and the positioning disc 34 are matched to drive the four sliding shafts 334 to displace, the overturning fixture 4 drives the drill bits to be close to the small polishing wheel 282 under the action of the arc-shaped hole 342, so as to polish one side cutting edge of the drill bits, after polishing is completed, the servo motor 32 rotates reversely, so that the overturning fixture 4 retreats until the linkage rod 454 is pushed by the fixing block 35, and the telescopic rod 455 located in the straight groove portion 4511 slides to one end of the arc-shaped groove portion 45, the lower end of the telescopic rod 455 slides down into the arc-shaped groove portion 4512, at this time, the movable rod 453 is pushed to reset under the restoring action of the compression spring 4532, so that the telescopic rod 455 is under the influence of the height difference between the straight groove portion 4511 and the arc-shaped groove portion 4512, the arc-shaped groove portion 4512 moves on the surface of the rotating seat 42 and moves into the limiting hole 461 of the other-side straight groove portion 4511 again, the positioning cylinder 43 is driven by the overturning seat 45, the drill bit overturns 180 degrees, finally, the overturning clamp 4 is driven by the servo motor 32 again to move forwards, and the cutting edge on the other side of the drill bit is.

When the chamfer of the drill bit is polished, the PLC 5 controls the rotating motor 24 to drive the sliding seat 2 to move, the position of the drill bit on the overturning clamp 4 corresponds to the angular position of one side of the large polishing wheel 281, and then the overturning clamp 4 is driven by the servo motor 32 and the corner of the drill bit close to the polishing wheel is polished; after polishing, servo motor 32 reverses, makes upset anchor clamps 4 retreat until trace 454 promotes under fixed block 35, makes a location section of thick bamboo 43 overturn once more under telescopic link 455 and activity groove 451 cooperation, and rotating electrical machines 24 drives sliding seat 2 and removes simultaneously, makes the position of drill bit on upset anchor clamps 4 correspond with big wheel 281 opposite side corner position of polishing, and servo motor 32 drives upset anchor clamps 4 forward movement again at last, thereby polishes drill bit opposite side chamfer.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Be applied to high rigidity glass drill bit preparation facilities, characterized in that, including base (1), sliding seat (2), positioner (3) and upset anchor clamps (4), set up on base (1) positioner (3), positioner (3) are gone up and are installed a plurality of upset anchor clamps (4), still are equipped with a plurality of fixed blocks (35) on positioner (3), and positioner (3) drive upset anchor clamps (4) and cooperate with fixed block (35) and realize the upset of upset anchor clamps (4), both sides are equipped with positioning seat (21) on base (1), be equipped with guide rail (22) between positioning seat (21), sliding seat (2) go up the sliding setting sliding seat (22), sliding seat (2) level is run through and is equipped with lead screw (23), lead screw (23) and sliding seat (2) threaded connection, screw rod (23) both ends are rotated and are set up on positioning seat (21), and positioning seat (21) one end is equipped with drive screw rod (23) pivoted rotating electrical machines (24), both ends are equipped with support (25) and support (26) on sliding seat (2), be equipped with driving motor (27) on support (25), be connected with pivot (28) on the output shaft of driving motor (27), pivot (28) one end is rotated and is set up on support (26), and is equipped with big grinding wheel (281) and little grinding wheel (282) in pivot (28), the laminating sets up between big grinding wheel (281) and little grinding wheel (282), and big grinding wheel (281) and little grinding wheel (282) all are located one side of positioner (3), and just big grinding wheel (281) and little grinding wheel (282) are located the center of a plurality of upset anchor clamps (4).

2. The device for preparing the high-hardness glass drill bit according to claim 1, wherein the positioning device (3) comprises a fixed frame (31), a servo motor (32), a positioning disc (34) and a rotating disc (33), the fixed frame (31) is fixedly arranged on the base (1) and positioned above the sliding seat (2), the fixed frame (31) comprises a supporting column (311), a top plate (312) and a bottom plate (313) which are arranged at the upper end and the lower end of the supporting column (311), the servo motor (32) is arranged on the top plate (312), a first transmission wheel (321) is arranged on an output shaft of the servo motor (32), the positioning disc (34) is longitudinally arranged between the top plate (312) and the bottom plate (313), a through hole (341) is formed in the center of the positioning disc (34), and a plurality of arc-shaped holes (342) are formed in the positioning disc (34) around the through hole (341) in a spiral arrangement manner, the edge of one side of the positioning disc (34) is provided with a plurality of fixing blocks (35), each fixing block (35) is respectively positioned at the tail end of each arc-shaped hole (342), the edge of the other side of the positioning disc (34) is provided with a sliding rail (343) with an annular structure, the sliding rail (343) is in sliding connection with the rotating disc (33), the center of one side of the rotating disc (33) is provided with a rotating seat (331), the center of the rotating seat (331) and the center of the through opening (341) are positioned on the same axis, the center of the rotating seat (331) and the center of the through opening (341) are provided with the rotating shaft (28) in a penetrating manner, the rotating seat (331) is provided with a second driving wheel (332), the second driving wheel (332) is in transmission connection with the first driving wheel (321) through a driving belt (322), the rotating disc (33) is provided with a plurality of groups of long-strip-shaped, and every guiding hole of group (333) all runs through with every arc hole (342) coincidence department and is equipped with sliding shaft (334), the size of sliding shaft (334) suits with the width dimension of guiding hole (333) and arc hole (342), and sliding shaft (334) both ends are equipped with stopper (3341), and sliding shaft (334) are located the one end setting of positioning disk (34) upset anchor clamps (4), upset anchor clamps (4) when moving on positioning disk (34) with fixed block (35) cooperate, realize upset anchor clamps (4) and drive the drill bit and overturn.

3. The manufacturing apparatus for a high hardness glass drill according to claim 2, wherein the number of the guide holes (333) in each set is two, two guide holes (333) are distributed along the center of the rotary disk (33), and the sliding shafts (334) of the two guide holes (333) penetrate through the same arc-shaped hole (342).

4. The device for preparing the high-hardness glass drill bit as claimed in claim 2, wherein a hanging seat (314) is arranged at the bottom of the top plate (312), a bearing (3141) is arranged on the hanging seat (314), and the rotating seat (331) is arranged at the inner ring of the bearing (3141).

5. The device for preparing the high-hardness glass drill bit as claimed in claim 3, wherein the turning fixture (4) comprises a fixing plate (41), a rotating seat (42), a positioning cylinder (43) and a limiting seat (46), the fixing plate (41) is provided with the rotating seat (42) and the limiting seat (46), the limiting seat (46) is provided with a cross-shaped limiting hole (461), the rotating seat (42) is provided with a positioning bearing (421), the positioning cylinder (43) is arranged at the inner ring of the positioning bearing (421), one end of the positioning cylinder (43) is arranged in an opening manner, one end of the positioning cylinder (43) in the opening manner is provided with a clamping seat (431), the clamping seat (431) is provided with a clamping assembly, the other end of the positioning cylinder (43) is provided with a turning seat (45), the turning seat (45) is in a hollow cylindrical structure, the outer wall of the turning seat (45) is circumferentially provided with a movable groove (451) in a Z-shaped structure, and the two ends of the movable groove (451) are connected, one end of the turnover seat (45) is provided with a through hole (452), the inner cavity of the turnover seat (45) is positioned at one end of the through hole (452) and is provided with a limit end (4521), a movable rod (453) is movably arranged in the through hole (452), the movable rod (453) is in a cross structure, one end of the movable rod (453) is provided with a limit plate (4531), one side of the limit plate (4531) is provided with a compression spring (4532), one end of the compression spring (4532) is abutted against one end of the inner cavity of the turnover seat (45) of the groove, the other end of the movable rod (453) penetrates through a limit hole (461) on the limit seat (46) and is connected with a linkage rod (454), the position of the linkage rod (454) corresponds to the position of the fixed block (35), one end of the linkage rod (454) is provided with a telescopic rod (455) in, and the size of the telescopic rod (455) is matched with that of the movable groove (451).

6. The apparatus for preparing a high hardness glass drill according to claim 5, wherein the clamping assembly comprises a rotary sleeve (433) and a collet (432), the rotary sleeve (433) is threadedly coupled to an outer wall of the holder (431) and presses one end of the collet (432), the other end of the collet (432) is embedded in a wall of the holder (431), and an inner wall of the holder (431) is tapered and fitted with the collet (432) such that the outer wall of the collet (432) presses the inner wall of the holder (431).

7. The manufacturing device for the high-hardness glass drill bit as claimed in claim 5, wherein the movable groove (451) comprises two straight groove portions (4511) and two arc-shaped groove portions (4512), the two straight groove portions (4511) are symmetrically arranged on two sides of the roll-over seat (45), the straight groove portions (4511) are arranged along the axial direction of the roll-over seat (45), one end of the straight groove portion (4511) close to the linkage rod (454) is provided with a positioning groove (45111) for limiting the left and right movement of the telescopic rod (455), two ends of the two straight groove portions (4511) are respectively connected with one end of the two arc-shaped groove portions (4512), the two arc-shaped groove portions (4512) are obliquely arranged on the surface of the roll-over seat (45), and the depth dimension of the arc-shaped groove portion (4512) close to one end of the positioning cylinder (43) is greater than that of the straight groove portion (4511).

8. The device for preparing the high-hardness glass drill bit as claimed in claim 7, wherein the telescopic rod (455) vertically penetrates through one end of the linkage rod (454), an upper positioning plate (4551) and a lower positioning plate (4552) are respectively arranged at the top and the lower end of the telescopic rod (455), a telescopic spring (4553) is sleeved on the telescopic rod (455), and two ends of the telescopic spring (4553) respectively abut against the top of the lower positioning plate (4552) and the bottom of the linkage rod (454).

9. The device for manufacturing a high-hardness glass drill according to claim 5, wherein the through hole (452) has a circular structure, and the size of the through hole (452) is matched with that of the movable rod (453).

10. The device for preparing the high-hardness glass drill bit as claimed in claim 2, wherein the base (1) is further provided with a PLC (5), the PLC (5) is electrically connected with a key (51), and the PLC (5) is electrically connected with the rotating motor (24), the servo motor (32) and the driving motor (27) respectively.