CN201559078U - Device for quickly replacing tools of driller - Google Patents
Device for quickly replacing tools of driller Download PDFInfo
- Publication number
- CN201559078U CN201559078U CN2009201722940U CN200920172294U CN201559078U CN 201559078 U CN201559078 U CN 201559078U CN 2009201722940 U CN2009201722940 U CN 2009201722940U CN 200920172294 U CN200920172294 U CN 200920172294U CN 201559078 U CN201559078 U CN 201559078U
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- quick change
- main shaft
- establish
- outer cover
- drilling machine
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Abstract
The utility model discloses a device for quickly replacing tools of a driller. A quickly-changing reduction sleeve (17) is arranged in a main shaft boring of a main shaft (16), the end part of the quickly-changing reduction sleeve (17) is extended into a horizontal hole (21); a sliding outer sleeve (10) in slide fit with the main shaft (16) is arranged on a position of the horizontal hole (21) on excircle of the main shaft (3); a detaching transverse pin (13) is arranged to pass through the horizontal hole (21), both ends of the detaching transverse pin (13) are fixed on the sliding outer sleeve (10). Through the technical scheme, non-stopping tool changing and automatic detaching tool can be realized. The device has function of matching use with the quickly-changing reduction sleeve, and function of independent use, which has convenient operation, simple structure, convenient manufacture, and large transmission torque.
Description
Technical field
The utility model belongs to the technical field of machine tool accessories, relates to the cutter mounting structure of drilling machine, and more particularly, the utility model relates to a kind of drilling machine knife quick change device.
Background technology
At present, known quick change drill bit is by fixedly drill holder, slip cutting ferrule and cylinder quick change drill holder combine.When needs are changed another kind of cutter, drilling machine be stopped, again drill press spindle to be mentioned, cutter leaves workpiece; A hand upwards promotes the slip cutting ferrule, the another hand take off cylinder quick change drill holder after, the cylinder quick change drill holder that another kind of cutter is housed is loaded into, shift the slip cutting ferrule onto position downwards again, make it to block.Though this quick change drill bit can be realized quick change, troublesome poeration is time-consuming, complex structure, and it is little to transmit moment of torsion, and loss drilling machine power only adapts to the following cutter of diameter 15mm and uses.
When taking off fixedly drill holder, must beat by wedge iron block and hammer, cutter just can withdraw from, and this cutter assembly and disassembly methods damages cutter and drill holder easily, directly has influence on the precision and the service life of drilling machine.
Summary of the invention
First problem to be solved in the utility model provides a kind of drilling machine knife quick change device, its objective is to realize the drilling machine quick change cutter that do not stop, and enhances productivity.
To achieve these goals, the technical scheme taked of the utility model is:
This drilling machine knife quick change device provided by the utility model, described drilling machine comprises main spindle box, main shaft, main shaft sliding sleeve and main shaft fairlead, by syndeton cutter is installed on the described main shaft, establish transverse holes on the described main shaft, establish the quick change drill holder in the spindle taper hole on the described main shaft, the end of described quick change drill holder is stretched in the described transverse holes; Be positioned at the position of transverse holes on the cylindrical of main shaft, establish sliding outer cover, described sliding outer cover and described main shaft are for being slidingly matched; If one is moved back and unloads lateral pin and pass described transverse holes, the described two ends of unloading lateral pin of moving back are fixed on the sliding outer cover.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and make its novelty and the creativeness of demonstrating fully of the present utility model:
A plurality of counterbores are established in the upper end of described sliding outer cover, along the circumference uniform distribution of the upper end of sliding outer cover; In each counterbore, establish a steel ball, also establish the pressing plate of annular in the upper end of described sliding outer cover, and be fastenedly connected with described sliding outer cover; On described pressing plate, establish circular hole, steel ball is exposed from described circular hole with the corresponding position of each steel ball; Described steel ball and described counterbore and pressing plate are matched in clearance.
The interior circle of described sliding outer cover bottom and the cylindrical of described main shaft form the space of an annular, in this annular space, establish the supporting back-up ring, and its inside and outside circle is slidingly matched with the interior circle of sliding outer cover and the cylindrical of main shaft respectively; Establish screw pin on the interior circle of described supporting back-up ring and be fastenedly connected with described supporting back-up ring, described screw pin stretches in the described transverse holes.
Between the upper end of described supporting back-up ring and the inner surface of sliding outer cover, establish a plurality of back-moving springs, described back-moving spring is uniform on the circumference of described supporting back-up ring.
The upper end of described supporting back-up ring is established the spring dog screw and is fastenedly connected with described supporting back-up ring; Described back-moving spring is a spiral compression spring, is enclosed within on the nut of described spring dog screw.
In the outer end that described main shaft fairlead stretches out main spindle box, establish to support to hit and enclose and be fastenedly connected with described main shaft fairlead.
Hit in described supporting between the end of circle and main shaft fairlead, establish rubber blanket.
Described cutter is connected with the taper hole of described quick change drill holder by its taper shank, on the outer cylinder surface of described quick change drill holder, if the outer cylinder surface of outer rotation set and quick change drill holder is a matched in clearance, on described quick change drill holder, establishes described outward turning and overlap axial position limiting structure.
Axial position limiting structure is overlapped in described outward turning: the position that is positioned at the outward turning set upper side of described quick change drill holder, establish a back-up ring; The position that is positioned at outer rotation set lower end of described quick change drill holder, if an annular groove in described annular groove, is established wire circlip, under the state in described wire circlip is stuck in described annular groove, the external diameter of described wire circlip is greater than the internal diameter of described outer rotation set.
Second problem to be solved in the utility model provides the knife quick change method that above-described drilling machine knife quick change device is adopted, and its technical scheme is:
The comprising moving back of this method unload cutter and mounting cutter, the operating process of this method is respectively:
Move back the process of unloading cutter:
Cutter is installed on the drilling machine, under the state that drilling machine does not stop, holds outer rotation set and it is stopped operating, and the quick change drill holder is still in rotation;
Operation axis lifting rotary handle rises main shaft; The circle collision is hit in the supporting of steel ball on the sliding outer cover upper surface and main spindle box bottom, and sliding outer cover is subjected to impact and glides;
Driven by sliding outer cover, the lateral pin that unloads in the transverse holes on the main shaft moves down, and the end of bump quick change drill holder breaks away from it and stops the rotation from the taper hole of main shaft;
Main shaft lifting direction resets, and takes off quick change drill holder and cutter;
The process of mounting cutter is:
Mounting cutter not on the drilling machine, under the state that drilling machine does not stop, operation axis lifting rotary handle, make main shaft drop to extreme lower position, hold outer rotation set, quick change drill holder taper shank is inserted in the taper hole of main shaft, form taper fit and self-locking, the quick change drill holder is with the main shaft combination and produce identical rotatablely moving;
Unclamp outer rotation set, outer rotation set is followed the quick change drill holder and is rotated.
The utility model adopts technique scheme, can be assemblied in all kinds of lathes, the quick change cutter and move back automatically and unload cutter of realizing not stopping.As long as drill press spindle is upwards carried, circle is hit in the supporting that the steel ball of sliding outer cover upper surface is run on the main spindle box bottom, presses down because of being subjected to stop during operation, drives interior the moving back of its cover and unloads lateral pin and move down, and forces the quick change drill holder to withdraw from; Need to change another kind of cutter,, push away from bottom to top, can finish the installation of not stopping of cutter from spindle taper hole as long as hold the outer rotation set on the quick change drill holder.Realized easily moving back automatically and unloaded cutter and quick change cutter.This device has the function that is used with the quick change drill holder, also has the independent function of using, convenient to operation, simple in structure, be easy to make, to transmit moment of torsion big.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 be among Fig. 1 A-A to partial sectional view;
Fig. 3 is the structural representation that the quick change drill holder among Fig. 1 reaches outer rotation set.
Be labeled as among the figure:
1, main shaft sliding sleeve, 2, the main shaft fairlead, 3, main spindle box, 4, screw, 5, rubber blanket, 6, supporting hits circle, 7, screw, 8, pressing plate, 9, steel ball, 10, sliding outer cover, 11, back-moving spring, 12, the spring dog screw, 13, move back and unload lateral pin, 14, the supporting back-up ring, 15, screw pin, 16, main shaft, 17, the quick change drill holder, 18, outer rotation set, 19, wire circlip, 20, cutter, 21, transverse holes.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, Fig. 2, the utility model is a kind of drilling machine knife quick change device, described drilling machine comprises main spindle box 3, main shaft 16, main shaft sliding sleeve 1 and main shaft fairlead 2, by syndeton cutter 20 is installed on the described main shaft 16, establishes transverse holes 21 on the described main shaft 16.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize the drilling machine quick change cutter that do not stop, the goal of the invention of enhancing productivity, the technical scheme that the utility model is taked is:
This drilling machine knife quick change device provided by the utility model is established quick change drill holder 17 in the spindle taper hole of described main shaft 16, the end of described quick change drill holder 17 is stretched in the described transverse holes 21; Be positioned at the position of transverse holes 21 on the cylindrical of main shaft 3, establish sliding outer cover 10, described sliding outer cover 10 and described main shaft 16 are for being slidingly matched; If one is moved back and unloads lateral pin 13 and pass described transverse holes 21, the described two ends of unloading lateral pin 13 of moving back are fixed on the sliding outer cover 10.
Move back the two ends of unloading lateral pin 13, be fixed on the sliding outer cover 10 by screw 7.
Adopt technique scheme, can be assemblied in all kinds of lathes, the quick change cutter and move back automatically and unload cutter of realizing not stopping.As long as drill press spindle 16 is upwards carried, circle 6 is hit in the supporting that the steel ball 9 of sliding outer cover 10 upper surfaces is run on the main spindle box bottom, presses down because of being subjected to stop during operation, drives interior the moving back of its cover and unloads lateral pin 13 and move down, and forces quick change drill holder 17 to withdraw from; Need to change another kind of cutter,, push away from bottom to top, can finish the installation of not stopping of cutter from the taper hole of main shaft 16 as long as hold the outer rotation set 18 on the quick change drill holder 17.
The advantage of said structure is: realized easily moving back automatically and unloaded cutter and quick change cutter.This device has the function that is used with the quick change drill holder, also has the independent function of using, convenient to operation, simple in structure, be easy to make, to transmit moment of torsion big.
Be the concrete exemplifying embodiment that the utility model provides below, for those skilled in the art when implementing with reference to application:
Embodiment one:
As shown in Figure 1, a plurality of counterbores are established in the upper end of sliding outer cover 10 described in the utility model, along the circumference uniform distribution of the upper end of sliding outer cover 10; In each counterbore, establish a steel ball 9, also establish the pressing plate 8 of annular in the upper end of described sliding outer cover 10, and be fastenedly connected with described sliding outer cover 10; On described pressing plate 8, establish circular hole, steel ball 9 is exposed from described circular hole with each steel ball 9 corresponding position; Described steel ball 9 is a matched in clearance with described counterbore and pressing plate 8.
The quantity of steel ball 9 is generally six, and effect is better, and more than six, difficulty of processing increases gradually; Be less than six, may cause the wearing and tearing aggravation of steel ball 9.It is to be used for bearing moving back when unloading cutter with supporting hitting the spin friction of circle 6 and bearing the impulsive force of moving back automatically when unloading.Pressing plate 8 plays the slip-off preventing effect of steel ball 9.
Said structure, the pressing plate 8 by annular can evenly distribute and fixed-site a plurality of steel balls 9 in the upper end of sliding outer cover 10, and simultaneously, steel ball 9 adopts matched in clearance with described counterbore and pressing plate 8, and it can be rotated freely in counterbore, can not kill.And steel ball 9 exposes from the hole of pressing plate 8, when sliding outer cover 10 is upwards lifted, sliding outer cover 10 can not hit circle 6 with supporting and contact generation planar slide friction, contact, collide but steel ball 9 hits circle 6 with supporting, what the steel ball rotation produced is rolling friction, the damage of reducing friction.
Embodiment two:
As shown in Figure 1, the interior circle of sliding outer cover described in the utility model 10 bottoms and the cylindrical of described main shaft 16 form the space of an annular, in this annular space, establish supporting back-up ring 14, its inside and outside circle is slidingly matched with the interior circle of sliding outer cover 10 and the cylindrical of main shaft 16 respectively; Establish screw pin 15 on the interior circle of described supporting back-up ring 14 and be fastenedly connected with described supporting back-up ring 14, described screw pin 15 stretches in the described transverse holes 21.
Screw pin 15 is two, is contained in transverse holes 21 respectively, two ends.Two screw pins 15 screw by supporting back-up ring 14 is stuck on the arc surface of bottom of the transverse holes 21 on the main shaft 16, will support back-up ring 14 and hold, and stops its downslide.
Sliding outer cover 10, supporting back-up ring 14 skies are enclosed within on the main shaft 16, adopt matched in clearance, should slide freely between the mating surface, and are fluent.Between the cylindrical of the interior circular hole of sliding outer cover 10 and supporting back-up ring 14 should be matched in clearance, and it is slided freely.
Embodiment three:
As shown in Figure 2, between the inner surface of the upper end of supporting back-up ring 14 described in the utility model and sliding outer cover 10, establish a plurality of back-moving springs 11, described back-moving spring 11 is uniform on the circumference of described supporting back-up ring 14.
Back-moving spring 11 is between sliding outer cover 10 and main shaft 16, and when circle 6 bumps were hit in steel ball 9 and supporting, sliding outer cover 10 had certain deformability bullet, avoids producing excessive rigid impact.Bump can make sliding outer cover 10 reset after finishing.
The quantity of back-moving spring 11 can be for 4, and is uniform at circumferencial direction.
Embodiment four:
As shown in Figure 2, the upper end of supporting back-up ring 14 described in the utility model is established spring dog screw 12 and is fastenedly connected with described supporting back-up ring 14; Described back-moving spring 11 is a spiral compression spring, is enclosed within on the nut of described spring dog screw 12.
The effect of spring dog screw 12 is the fixed-site that make back-moving spring 11, prevents its displacement in annular space.Back-moving spring 11 is subjected to the restriction of spring dog screw 12, can only play the effect of elastic telescopic on the position of spring dog screw 12.
Embodiment five:
As shown in Figure 1, in the outer end that main shaft fairlead 2 described in the utility model stretches out main spindle box 3, establish supporting and hit circle 6 and be fastenedly connected with described main shaft fairlead 2.
As previously mentioned, it is that steel ball 9 on the upper end with sliding outer cover 10 clashes into usefulness that circle 6 effect is hit in supporting, with three screws 4 supporting is hit and encloses 6, main shaft fairlead 2 is fixed on the main spindle box 3.
Embodiment six:
As shown in Figure 1, hit in supporting described in the utility model between the end of circle 6 and main shaft fairlead 2, establish rubber blanket 5.
Because cutter changing need hit circle 6 by steel ball 9 bump supportings, in order to reduce and to absorb impulsive force, adopts rubber blanket 5, pad hits between circle 6 and the main shaft fairlead 2 in supporting.
Embodiment seven:
As shown in figures 1 and 3, cutter 20 described in the utility model is connected with the taper hole of described quick change drill holder 17 by its taper shank, on the outer cylinder surface of described quick change drill holder 17, if outer rotation set 18 is a matched in clearance with the outer cylinder surface of quick change drill holder 17, on described quick change drill holder 17, establish described outside rotation set 18 axial limiting structures.
The upper end of quick change drill holder 17 is Morse's tapers, cooperates with the mohs tapered bore of main shaft 16, and transverse holes 21 is stretched in its termination, plays a part to move back and unloads.The lower end of quick change drill holder 17 is one section face of cylinder, on the periphery, establishes outer rotation set 18, and is matched in clearance, and both can rotate relatively freely.
Cutter replacing method is referring to the introduction of this paper back.
Embodiment eight:
As shown in figures 1 and 3, outer rotation set 18 axial limiting structures described in the utility model are: the position that is positioned at outer rotation set 18 upper ends of described quick change drill holder 17, establish a back-up ring; The position that is positioned at outer rotation set 18 lower ends of described quick change drill holder 17, if an annular groove in described annular groove, is established wire circlip 19, under described wire circlip 19 was stuck in state in the described annular groove, the external diameter of described wire circlip 19 was greater than the internal diameter of described outer rotation set 18.
Second problem to be solved in the utility model provides the knife quick change method that above-described drilling machine knife quick change device is adopted, and its technical scheme is:
The comprising moving back of this method unload cutter and mounting cutter, the operating process of this method is respectively:
Move back the process of unloading cutter:
Operation axis lifting rotary handle rises main shaft 16; Steel ball 9 on sliding outer cover 10 upper surfaces hits circle 6 collisions with the supporting of main spindle box 3 bottoms, and sliding outer cover 10 is subjected to impact and glides;
Driven by sliding outer cover 10, the lateral pins 13 that unload in the transverse holes 21 on the main shaft 16 move down, and the end of bump quick change drill holder 17 breaks away from it and stops the rotation from the taper hole of main shaft 16;
The process of mounting cutter is:
Mounting cutter 20 not on the drilling machine, under the state that drilling machine does not stop, operation axis lifting rotary handle, make main shaft 16 drop to extreme lower position, hold outer rotation set 18, quick change drill holder 17 taper shanks are inserted in the taper hole of main shaft 16, form taper fit and self-locking, quick change drill holder 17 is with main shaft 16 combinations and produce identical rotatablely moving;
Unclamp outer rotation set 18, outer rotation set 18 is followed quick change drill holder 17 and is rotated.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (9)
1. drilling machine knife quick change device, described drilling machine comprises main spindle box (3), main shaft (16), main shaft sliding sleeve (1) and main shaft fairlead (2), by syndeton cutter (20) is installed on the described main shaft (16), establish transverse holes (21) on the described main shaft (16), it is characterized in that: establish quick change drill holder (17) in the spindle taper hole on the described main shaft (16), the end of described quick change drill holder (17) is stretched in the described transverse holes (21); Be positioned at the position of transverse holes (21) on the cylindrical of main shaft (3), establish sliding outer cover (10), described sliding outer cover (10) and described main shaft (16) are for being slidingly matched; If one is moved back and unloads lateral pin (13) and pass described transverse holes (21), the described two ends of unloading lateral pin (13) of moving back are fixed on the sliding outer cover (10).
2. according to the described drilling machine knife quick change of claim 1 device, it is characterized in that: the upper end of described sliding outer cover (10), establish a plurality of counterbores, along the circumference uniform distribution of the upper end of sliding outer cover (10); In each counterbore, establish a steel ball (9), also establish the pressing plate (8) of annular in the upper end of described sliding outer cover (10), and be fastenedly connected with described sliding outer cover (10); Go up with each steel ball (9) at described pressing plate (8) and to establish circular hole in the position accordingly, steel ball (9) is exposed from described circular hole; Described steel ball (9) is a matched in clearance with described counterbore and pressing plate (8).
3. according to claim 1 or 2 described drilling machine knife quick change devices, it is characterized in that: the interior circle of described sliding outer cover (10) bottom and the cylindrical of described main shaft (16) form the space of an annular, in this annular space, if supporting back-up ring (14), its inside and outside circle is slidingly matched with the interior circle of sliding outer cover (10) and the cylindrical of main shaft (16) respectively; Establish screw pin (15) on the interior circle of described supporting back-up ring (14) and be fastenedly connected with described supporting back-up ring (14), described screw pin (15) stretches in the described transverse holes (21).
4. according to the described drilling machine knife quick change of claim 3 device, it is characterized in that: between the inner surface of the upper end of described supporting back-up ring (14) and sliding outer cover (10), if a plurality of back-moving springs (11), described back-moving spring (11) is uniform on the circumference of described supporting back-up ring (14).
5. according to the described drilling machine knife quick change of claim 4 device, it is characterized in that: the upper end of described supporting back-up ring (14) is established spring dog screw (12) and is fastenedly connected with described supporting back-up ring (14); Described back-moving spring (11) is a spiral compression spring, is enclosed within on the nut of described spring dog screw (12).
6. according to claim 1 or 2 described drilling machine knife quick change devices, it is characterized in that: stretch out the outer end of main spindle box (3) at described main shaft fairlead (2), establish supporting and hit circle (6) and be fastenedly connected with described main shaft fairlead (2).
7. according to the described drilling machine knife quick change of claim 6 device, it is characterized in that: hit in described supporting between the end of circle (6) and main shaft fairlead (2), establish rubber blanket (5).
8. according to claim 1 or 2 described drilling machine knife quick change devices, it is characterized in that: described cutter (20) is connected with the taper hole of described quick change drill holder (17) by its taper shank, on the outer cylinder surface of described quick change drill holder (17), if the outer cylinder surface of outer rotation set (18) and quick change drill holder (17) is a matched in clearance, on described quick change drill holder (17), establish described outside rotation set (18) axial limiting structure.
9. according to the described drilling machine knife quick change of claim 8 device, it is characterized in that: described outer rotation set (18) axial limiting structure is: the position that is positioned at outer rotation set (18) upper end of described quick change drill holder (17), establish a back-up ring; The position that is positioned at outer rotation set (18) lower end of described quick change drill holder (17), if annular groove, in described annular groove, if wire circlip (19), under described wire circlip (19) was stuck in state in the described annular groove, the external diameter of described wire circlip (19) was greater than the internal diameter of described outer rotation set (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201722940U CN201559078U (en) | 2009-05-27 | 2009-05-27 | Device for quickly replacing tools of driller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201722940U CN201559078U (en) | 2009-05-27 | 2009-05-27 | Device for quickly replacing tools of driller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201559078U true CN201559078U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201722940U Expired - Fee Related CN201559078U (en) | 2009-05-27 | 2009-05-27 | Device for quickly replacing tools of driller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201559078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834460A (en) * | 2016-05-30 | 2016-08-10 | 广州市昊志机电股份有限公司 | Main shaft locking structure |
| CN109630008A (en) * | 2018-11-23 | 2019-04-16 | 李宁波 | A kind of oil drilling and r eoovery machine being conveniently replaceable drill bit |
-
2009
- 2009-05-27 CN CN2009201722940U patent/CN201559078U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834460A (en) * | 2016-05-30 | 2016-08-10 | 广州市昊志机电股份有限公司 | Main shaft locking structure |
| CN105834460B (en) * | 2016-05-30 | 2017-12-19 | 广州市昊志机电股份有限公司 | A kind of principal shaft locking structure |
| CN109630008A (en) * | 2018-11-23 | 2019-04-16 | 李宁波 | A kind of oil drilling and r eoovery machine being conveniently replaceable drill bit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20140527 |