CN207344271U - A kind of drill bit arrangement for grinding - Google Patents
A kind of drill bit arrangement for grinding Download PDFInfo
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- CN207344271U CN207344271U CN201721415861.1U CN201721415861U CN207344271U CN 207344271 U CN207344271 U CN 207344271U CN 201721415861 U CN201721415861 U CN 201721415861U CN 207344271 U CN207344271 U CN 207344271U
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- drill bit
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- grinding
- bit arrangement
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Abstract
The utility model discloses a kind of drill bit arrangement for grinding, the technical solution of use includes drill bit arrangement for grinding, the drill bit arrangement for grinding is mainly by stent, slide, column, main shaft, slide block assembly, drilling attachment forms, described stent one end is connected with abrasive machine, opposite end is connected with slide, the slide, column, contiguous block connection is respectively adopted between main shaft, make institute's slide by adjusting the elastic of contiguous block, column, the adjustment of relative position can be carried out between main shaft, the main shaft passes through bearing, bearing block is connected with the sliding block base in slide block assembly, the drilling attachment is fixed on the sliding block in slide block assembly, and slide block assembly is followed to rotate.
Description
Technical field
It the utility model is related to a kind of drill bit arrangement for grinding.
Background technology
As the term suggests carrying out the machine of accurate reconditioning processing to drill bit, bit grinding machine also known as drill bit are ground bit grinding machine
Grinding machine.Existing bit grinding machine has the drawback that：1st, just for the drill bit of certain size scope, such as repaiied for small bits
Grinding machine device can not clamp large scale drill bit, and for large scale bit grinding machine device, small bits clamping is difficult, it is difficult to which ensureing should
There is precision；2nd, generally fed using screw rod, the mode of dial given parameters, aforesaid way is cumbersome, and operating personnel are difficult to
Grasp, and its volume is big, manufacture is of high cost；3rd, due to being fed using screw rod, by screw rod between the slide assemblies that its screw rod promotes
Feed mechanism limits, it is impossible to free to slide；4th, for big bit grinding machine device, drill bit is to raise angle posture, withstand on sand during operation
On wheel, and emery wheel direction of rotation and drill bit raise up be oriented to it is reverse, during the above situation reconditioning emery wheel can apply to drill bit one to
Exert oneself, drill bit is raised angle reduction, drill bit, which raises angle reduction, can increase stock removal, and the downward force that emery wheel applies can increase with stock removal
And increase, since slide assemblies cannot be free to slide, so as to form vicious circle, cause grinding excessive, brill can be damaged when serious
Head, emery wheel burst apart, and cause security incident；5th, existing bit grinding machine device is overall structure, bulky, complicated, cost
It is high.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of drill bit scope of application, operation flexibly, it is safe and reliable and
The low drill bit arrangement for grinding of compact structure, cost.
To solve the above problems, the technical solution adopted in the utility model includes drill bit arrangement for grinding, the drill bit reconditioning dress
Put and be mainly made of stent, slide, column, main shaft, slide block assembly, drilling attachment, described stent one end is connected with abrasive machine, phase
Opposite end is connected with slide, contiguous block connection is respectively adopted between the slide, column, main shaft, by adjusting the elastic of contiguous block
Make the adjustment that relative position can be carried out between institute's slide, column, main shaft, the main shaft passes through bearing, bearing block and slide block assembly
In sliding block base connection, the drilling attachment is fixed on the sliding block in slide block assembly, and follows slide block assembly to rotate.
The drill bit arrangement for grinding, it is characterised in that：The slide block assembly is equipped with position-limit mechanism, described in hand propelled
The mode of the sliding block of slide block assembly is fed drill bit, with position-limit mechanism theoretical stock removal.
The drill bit arrangement for grinding, it is characterised in that：The position-limit mechanism includes adjusting screw rod, adjusting nut, sliding block
Limited block, the adjusting screw rod are installed on the sliding block of the slide block assembly, and the adjusting nut is connected with adjusting screw rod, described
Sliding block limited block is installed on the sliding block base of the slide block assembly.
The drill bit arrangement for grinding, it is characterised in that：Fastening screw nut is also associated with the adjusting screw rod.
The drill bit arrangement for grinding, it is characterised in that：The drilling attachment include vee-block, compact heap, clamping screw,
Stent is compressed, the vee-block is fixed on the sliding block of the slide block assembly, and the compression stent is connected with vee-block, the compression
Block is driven by clamping screw up and down positioned at compressing in stent.
The drill bit arrangement for grinding, it is characterised in that：The drilling attachment rear end is equipped with locating rod and installed in positioning
Post-positioning block on bar, the post-positioning block, which is equipped with, reverse-locates bar.
The drill bit arrangement for grinding, it is characterised in that：The drilling attachment front end is equipped with angular spacer pin, and adjustment is angular
The chip space side that spacer pin makes its head be close to drill bit side edge band is angularly positioned.
The drill bit arrangement for grinding, it is characterised in that：The main shaft is equipped with spacer pin, and the spacer pin determines described
Main shaft rotates stop.
The drill bit arrangement for grinding, it is characterised in that：The contiguous block is cross contiguous block, and the contiguous block both ends are set
There is release pressing handle.
The drill bit arrangement for grinding, it is characterised in that：The drilling attachment further include drill chuck, bore extension bar, positioning sleeve,
Lock screw, the brill extension bar head are connected with drill point head-tail, and remainder is injected in the center hole of positioning sleeve, and by locking
Tight screw is fixed.
The drill bit arrangement for grinding advantage of the utility model is as follows：
1st, the present apparatus is by the way of built-up jig, and each locating element of fixture has the structure adjusted on a large scale, real
The clamping reconditioning of existing various sizes of drill bit, drill bit reconditioning size are limited only in grinding wheel thickness；
2nd, the present apparatus cancels screw rod feeding, cancels dial, compared to existing brill under the premise of ensureing that main cutting edge is symmetrical
Head reconditioning machine, has small, light-weight, the low advantage of manufacture cost；
3rd, the present apparatus visually adjusts parameter by the way of cross contiguous block adds pressing handle, only in slide block assembly
On the position-limit mechanism that is formed using adjusting screw rod and adjusting nut, fed with the mode of hand pushing sliding block, mill given with position-limit mechanism
The amount of cutting, compared to existing bit grinding machine device, the present apparatus is easy to operate, and operating personnel are easily mastered.
4th, present apparatus slide assemblies only limit the amount of feeding, and when there is grinding excess, sliding block passively retreats, and reduces stock removal,
Avoid security incident；
5th, the present apparatus installs additional on the basis of existing abrasive machine, simple in structure without separately taking up space, cheap, and tears open
Dress is convenient.The pressing handle on any cross contiguous block is unclamped, all structures behind the cross contiguous block can be removed, it is only surplus
Fraction remains, and does not influence the routine use of abrasive machine.Compared to existing bit grinding machine device, the present apparatus has more economy, flexibly
Property.
The utility model is described further with reference to Figure of description.
Brief description of the drawings
Fig. 1,2 be the utility model drill bit arrangement for grinding different angle structure diagram；
Fig. 3 is the relation schematic diagram between the utility model main shaft, slide block assembly, drilling attachment, and wherein drilling attachment is
Wammel grinding clamp；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the bottom view of Fig. 3；
Fig. 6 is the left view of Fig. 3；
Fig. 7 is the right view of Fig. 3；
Fig. 8 is the relation schematic diagram between the utility model main shaft, slide block assembly, drilling attachment, and wherein drilling attachment is
Adapt to the quick grinding clamp of small drill bit；
Fig. 9 is the left view of Fig. 8；
Figure 10 is the structure diagram of drilling attachment in Fig. 8；
Figure 11 is the structure diagram of the utility model drill jig, specially adapts to the precision grinding fixture of small drill bit；
Figure 12 is the left view of Figure 11.
Embodiment
With reference to shown in Fig. 1-12, the drill bit arrangement for grinding of the utility model, including stent 2, slide 3, column 4, main shaft 5,
Slide block assembly and drilling attachment composition, described 2 one end of stent is connected with abrasive machine 1, opposite end and slide 3 connect, the slide
3rd, contiguous block connection is respectively adopted between column 4, main shaft 5, the contiguous block is equipped with fastener, by the pine for adjusting fastener
The tight adjustment for making that relative position can be carried out between institute's slide 3, column 4, main shaft 5, the main shaft 5 pass through bearing 15, bearing block 14
Connected with the sliding block base 16 in slide block assembly, the drilling attachment is fixed on the sliding block 17 in slide block assembly, and follows cunning
Block assembly rotates.The contiguous block is preferably cross contiguous block（There is the mounting hole in cross on contiguous block）, the slide, stand
Column, main shaft are installed in the mounting hole, are preferably to unclamp pressing handle in the fastener that contiguous block both ends are set.
1 footing of abrasive machine need to be installed screw during use to unclamp, by stent 2 be placed in abrasive machine 1 and original installation pedestal it
Between, footing installation screw is screwed, compresses stent 2, described 3 connecting bracket of slide, 2 two and fixation, 4 lower end of column pass through
First cross contiguous block 6 and slide 3 connect, and first, which unclamps pressing handle 8, adjusts the first cross contiguous block 6 on slide 3
Position, makes drill bit to be grinding be directed at the suitable position of emery wheel, and the first cross contiguous block 6 can be axle center rotation and band with slide 3
Move column 4 and with upper-part closer or far from emery wheel so that the present apparatus is adapted to the emery wheel of different-diameter, and second unclamps compression
Handle 9 can move up and down column 4, main shaft 5 can be adjusted with 1 main shaft same horizontal line of abrasive machine so that the present apparatus can
To adapt to the abrasive machine of different footing main shaft distances, 4 top of column is connected by the second cross contiguous block 7 and main shaft 5, the 3rd pine
Pressing handle 10 to be opened, adjusts the horizontal sextant angle between main shaft 5 and abrasive machine main shaft, this angle is bit edge angle, the
Four unclamp pressing handles 11, live spindle 5, adjust the positioning pin 12 on the main shaft 5, positioning pin 12 and are fixed on bearing block
Limited block 13 on 14 is collectively forming rotation stop, this stop determines drill bit main cutting edge relief angle, and main shaft 5 passes through bearing 15
The present apparatus is connected with bearing block 14 to fix using main shaft, the rotating mode of bearing block works, and slide block assembly and clamp assemblies follow
Bearing block rotates.Wherein sliding block base 16 is fixed on bearing block 14, and sliding block 17 is connected using dovetail groove and sliding block base 16, is pressed from both sides
Component is held by vee-block 22,23 compact heap of stent, 24 clamping screw 25 is compressed and forms, wherein vee-block 22 is fixed on sliding block 17 and presses
The form and vee-block 22 of 23 1 dovetail groove of locking bracket connect, and can be slid back and forth along dovetail groove, and compact heap 24 is positioned at compression stent 23
It is interior, driven by clamping screw up and down.
The present apparatus is adjusted to proper states during drill bit reconditioning, adjusts the horizontal sextant angle of the main shaft of main shaft 5 and abrasive machine 1,
Given sword angle, adjusts spacer pin 12, determines rotation stop, and when reaching rotation stop, V-shaped groove center line should keep the appearance that raises up
Gesture, and emery wheel radial level line form angle, this angle numerical value is bigger, and main cutting edge relief angle is bigger, when angle numerical value is bears,
Main cutting edge relief angle is zero.Drill bit is placed in the V-shaped groove of vee-block 22, and front portion is a little beyond vee-block 22, the tune when rotating stop
Whole drill bit, makes cutting edge to be grinding parallel with emery wheel radial water plane, and rotatably compressing screw rod 25 makes compact heap 24 compress drill bit, adjusts
Whole angular spacer pin 30 makes the chip space side that drill bit side edge band is close on angular 30 head of spacer pin, natural using drill bit side edge band
The symmetrical angular positioning realized to drill bit, compresses angular position housing piece 31 and fixes angular spacer pin 30, adjustment positions after being located at
Post-positioning block 27 on bar 26, makes post-positioning block 27 be close to drill bit afterbody, tightens rear positioning and locking screw 28, realizes drill bit axial direction
Positioning, when the length of the bit is not enough to realize axially position, installs additional on post-positioning block 27 and reverse-locates bar 29, present apparatus stock removal
Set by the adjusting screw rod 19 of 17 side of sliding block, adjusting nut 20, fastening screw nut 21 and sliding block limited block 18, wherein adjusting spiral shell
Bar 19 is fixed on sliding block 17, and sliding block limited block 18 is fixed on sliding block base 16, is rotated adjusting nut 20 and is set stock removal, and
Tight nut 21 is used for lock adjustment nut 20, prevents adjusting nut 20 and is subjected to displacement because shake or touch by mistake.
Drill bit clamping starts abrasive machine afterwards in place, and operator, which promotes forward sliding block 17 with hand and rotates forward up to rotation, to be stopped
Point is rotated back again, and until adjusting nut 20 encounters sliding block limited block 18, the reconditioning of completion one side main cutting edge, unclamps and compress spiral shell
Bar 25, using the positioning action of angular positioning pin 30 and post-positioning block 27, clamping drill bit again, another main cutting of reconditioning
Sword.
The above is big drill bit reconditioning, and since the method for V-shaped groove clamping clamps, small drill bit is difficult, and the present apparatus uses combination
Formula fixture, small drill bit use quick grinding clamp and precision grinding fixture, and quick grinding clamp bores extension bar 33 by drill chuck 32,
Positioning sleeve 34, lock screw 35 form, and bore 33 head taper shank connection 32 afterbody taper hole of drill chuck of extension bar, and remainder injects positioning
In the center hole of set 34, drill bit is clamped by drill chuck 32, due to that can only clamp head during drill bit reconditioning, so boring in extension bar 33
Heart through hole, drill bit afterbody are extended back by the hole, and positioning sleeve 34 is fixed on vee-block by 25 compact heap 24 of clamping screw during operation
In 22 V-shaped groove, 32 tail plane of drill chuck reclines the front end face of vee-block 22, drill chuck 32 is rotated, main cutting to be grinding
Sword is adjusted to parallel with emery wheel axial direction horizontal plane, is locked with lock screw 35, with the same mode coping drills of the big drill bit of reconditioning,
The main cutting edge reconditioning on one side finishes, and unclamps clamping screw 25, quick grinding clamp integral-rotation 180 degree is clamped again, is repaiied
Grind another side main cutting edge.Precision grinding fixture is positioned by collet chuck 36, collet chuck nut 37, collet chuck base 38, extension rod 39
Set 34, lock screw 35 forms, and collet chuck base 38 and extension rod 39 are overall structure, central through hole, and drill bit afterbody passes through the hole
Extend back, the length of the bit is unrestricted, drill bit insertion 36 centre bore of collet chuck during use, screws collet chuck nut 37 and clamps and bores
Head, extension rod 39 are inserted into positioning sleeve 34, and collet chuck base 38 and 39 junction shoulder of extension rod recline vee-block front end face, other behaviour
Make identical with quick grinding clamp.
It is upper described, limitation in any form is not done to the utility model, although the utility model is preferably to implement
Case discloses as above, but is not limited to the utility model, and any person skilled in the art, is not departing from this reality
With in new technique aspects, when structure and technology contents using the disclosure above make a little change or are modified to
The equivalence enforcement case of same change, but every content without departing from technical solutions of the utility model, according to the utility model
Any simple modification, equivalent change and modification that technical spirit makees above case study on implementation, still belongs to the utility model technology
Aspects.
Claims (10)
- A kind of 1. drill bit arrangement for grinding, it is characterised in that：The drill bit arrangement for grinding is mainly by stent（2）, slide（3）, column （4）, main shaft（5）, slide block assembly, drilling attachment composition, the stent（2）One end and abrasive machine（1）Connection, opposite end and slide （3）Connection, the slide（3）, column（4）, main shaft（5）Between be respectively adopted contiguous block connection, by the pine for adjusting contiguous block Tightly make institute's slide（3）, column（4）, main shaft（5）Between can carry out the adjustment of relative position, the main shaft（5）Pass through bearing （15）, bearing block（14）With the sliding block base in slide block assembly（16）Connection, the drilling attachment are fixed in slide block assembly Sliding block（17）On, and follow slide block assembly to rotate.
- 2. drill bit arrangement for grinding according to claim 1, it is characterised in that：The slide block assembly is equipped with position-limit mechanism, The sliding block of slide block assembly described in hand propelled（17）Mode be fed drill bit, with position-limit mechanism theoretical stock removal.
- 3. drill bit arrangement for grinding according to claim 2, it is characterised in that：The position-limit mechanism includes adjusting screw rod （19）, adjusting nut（20）, sliding block limited block（18）, the adjusting screw rod（19）Installed in the sliding block of the slide block assembly（17） On, the adjusting nut（20）With adjusting screw rod（19）Connection, the sliding block limited block（18）Installed in the slide block assembly Sliding block base（16）On.
- 4. drill bit arrangement for grinding according to claim 3, it is characterised in that：The adjusting screw rod（19）On be also associated with simultaneously Tight nut（21）.
- 5. drill bit arrangement for grinding according to claim 1, it is characterised in that：The drilling attachment includes vee-block（22）, pressure Tight block（24）, clamping screw（25）, compress stent（23）, the vee-block（22）It is fixed on the sliding block of the slide block assembly（17） On, the compression stent（23）With vee-block（22）Connection, the compact heap（24）Positioned at compression stent（23）It is interior, and by compressing Screw rod（25）Drive up and down.
- 6. drill bit arrangement for grinding according to claim 5, it is characterised in that：The drilling attachment rear end is equipped with locating rod （26）And installed in locating rod（26）On post-positioning block（27）, the post-positioning block（27）It is equipped with and reverse-locates bar（29）.
- 7. drill bit arrangement for grinding according to claim 5, it is characterised in that：The drilling attachment front end is equipped with angular spacing Pin（30）, adjust angular spacer pin（30）The chip space side that drill bit side edge band is close on its head is set angularly to be positioned.
- 8. drill bit arrangement for grinding according to claim 1, it is characterised in that：The main shaft（5）It is equipped with spacer pin（12）, The spacer pin（12）Determine the main shaft（5）Rotate stop.
- 9. drill bit arrangement for grinding according to claim 1, it is characterised in that：The contiguous block is cross contiguous block, totally two End, which is equipped with, unclamps pressing handle.
- 10. drill bit arrangement for grinding according to claim 5, it is characterised in that：The drilling attachment further includes drill chuck （32）, bore extension bar（33）, positioning sleeve（34）, lock screw（35）, the brill extension bar（33）Head and drill chuck（32）Afterbody connects Connect, remainder injects positioning sleeve（34）Center hole in, and by lock screw（35）It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721415861.1U CN207344271U (en) | 2017-10-30 | 2017-10-30 | A kind of drill bit arrangement for grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721415861.1U CN207344271U (en) | 2017-10-30 | 2017-10-30 | A kind of drill bit arrangement for grinding |
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| Publication Number | Publication Date |
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| CN207344271U true CN207344271U (en) | 2018-05-11 |
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| CN201721415861.1U Active CN207344271U (en) | 2017-10-30 | 2017-10-30 | A kind of drill bit arrangement for grinding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756149A (en) * | 2017-10-30 | 2018-03-06 | 赵建秋 | A kind of drill bit arrangement for grinding |
-
2017
- 2017-10-30 CN CN201721415861.1U patent/CN207344271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756149A (en) * | 2017-10-30 | 2018-03-06 | 赵建秋 | A kind of drill bit arrangement for grinding |
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