CN204997430U - Cutter exchanging mechanism - Google Patents
Cutter exchanging mechanism Download PDFInfo
- Publication number
- CN204997430U CN204997430U CN201520709184.9U CN201520709184U CN204997430U CN 204997430 U CN204997430 U CN 204997430U CN 201520709184 U CN201520709184 U CN 201520709184U CN 204997430 U CN204997430 U CN 204997430U
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- China
- Prior art keywords
- cabinet
- rotating shaft
- cutterhead
- cutter
- pivot
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Abstract
The utility model belongs to numerical control machine tool design makes the field, concretely relates to cutter exchanging mechanism, comprising a cutter head, the interval is provided with a plurality of cutting main shafts that are used for the clamping cutter on the blade disc circumferencial direction, and each cuts the main shaft and radially rotates the setting along the blade disc, the blade disc is coaxial fixed with a pivot, pivot circumferential direction, endwise slip setting are on quick -witted case, and a drive unit drives pivot circumferential direction, the 2nd drive unit drive pivot endwise slip, the machine on the case fixed being provided with decide the fluted disc with the pivot is coaxial, be provided with movable fluted disc on pivot or the blade disc, movable fluted disc and pivot and blade disc relatively fixed when endwise slip is followed in the pivot, can make movable fluted disc and decide fluted disc meshing or separation. The technical effects of the utility model comprises: the spinning movement of blade disc is fixed a position through the fluted disc, and when ensureing tool changing each time, corresponding cutting main shaft can both target in place in accurate rotation, and in addition, the fluted disc can also play the spacing effect of circumference, prevents that the blade disc takes place to deflect in the working process.
Description
Technical field
The utility model belongs to Digit Control Machine Tool and manufactures and designs field, is specifically related to a kind of cutter-exchange mechanism.
Background technology
Along with the development of scientific and technological level, the requirement of manufacturing industry to mach precision is also more and more higher, traditional machining apparatus cannot be competent at day by day harsh process requirements already, therefore the machining apparatus that this automaticity of Digit Control Machine Tool that has been born is high, Digit Control Machine Tool adopts the action such as cutting, feeding of digital control system automatic control machine tool, the accurate control of cutting output can be realized, can greatly enhance productivity simultaneously.Drill hole processing center just belongs to a kind of multiduty Digit Control Machine Tool, its main shaft drives cutter rotates, the multiple manufacturing procedures such as boring, bore hole, milling can be implemented by changing different cutters, in prior art, the cutter-exchange mechanism of machining center mainly contains two kinds, a kind of is the tool magazine system being applied to Large Machining Center, this tool magazine system often can deposit tens kinds of even hundreds of cutters, during tool changing, required cutter is first moved to relevant position by tool magazine system, then adopts manipulator to realize the exchange of this cutter and former cutter; Another kind is contained in by each cutter on a line shaft respectively in advance, and driving mechanism only need be made during tool changing to drive different line shafts to rotate.But in above-mentioned first, the defect of cutter-exchange mechanism is, high cost, be not suitable for being applied to small-sized drill hole processing center; The defect of the second cutter-exchange mechanism is, in exchanging knives process, the switching of power is not smooth, is difficult to realize precise positioning to each line shaft, affects machining accuracy.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, switch stable automatic tool changer.
For achieving the above object, the utility model provides following technical scheme: a kind of cutter-exchange mechanism, comprises cutterhead, the side face of described cutterhead is arranged at intervals with multiple cutting spindle for clamping cutter, and each cutting spindle is arranged along cutterhead radial rotating; Described cutterhead and a rotating shaft are coaxially fixed, and described rotating shaft circumference is rotated, sliding axially is arranged on cabinet, and the first drive unit drives rotating shaft circumference is rotated, and the second drive unit drives rotating shaft slides axially; Described cabinet is fixedly installed the fixed tooth disk coaxial with rotating shaft, described rotating shaft or cutterhead are provided with active toothed disk, described active toothed disk is relative with rotating shaft and cutterhead fixing, when rotating shaft slides axially, active toothed disk can be made with fixed tooth disk engagement or be separated.
Technique effect of the present utility model is: the spinning movement of cutterhead is positioned by fluted disc, when guaranteeing tool changing each time, corresponding cutting spindle can both be rotated in place accurately, in addition, fluted disc can also play the spacing effect of circumference, prevents cutterhead in the course of work from deflecting.
Accompanying drawing explanation
Fig. 1, Fig. 2 are perspective view of the present utility model;
Fig. 3 is perspective cut-away structural representation of the present utility model;
Fig. 4 is sectional view of the present utility model;
Fig. 5 is the I partial enlarged view of Fig. 4;
Fig. 6 is cutterhead of the present utility model and rotating shaft assembling structure schematic diagram.
Detailed description of the invention
As shown in figures 1 to 6, a kind of cutter-exchange mechanism, comprise the cutterhead 20 rotating and be arranged on cabinet 10, and the first driver element 30 for driving cutterhead 20 to rotate, described cutterhead 20 is circumferentially arranged at intervals with multiple cutting spindle 23 for clamping cutter, and each cutting spindle 23 is along the setting of cutterhead 20 radial rotating and each cutting spindle 23 the inner is equipped with gear 24; Described cutterhead 20 is flexible along own axes direction to be arranged, and cabinet 10 is provided with the second driver element for driving cutterhead 20 flexible; Described cabinet 10 is also provided with transition gear 41, described transition gear 41 is driven by the 3rd driver element 40 that cabinet is arranged, in the process that described first driver element 30, second drive unit drives cutterhead 20 rotates, stretch, the gear 24 of each cutting spindle 23 the inner can be made alternately to engage with described transition gear 41.
Further, as shown in Figure 3,4, described cutterhead 20 and a rotating shaft 11 are coaxially fixed, it is described that rotating shaft 11 circumference is rotated, sliding axially is arranged on cabinet 10, described first driver element 30 drive shaft 11 is rotated, second drive unit drives rotating shaft 11 is slided, described cabinet 10 is fixedly installed the fixed tooth disk 17 coaxial with rotating shaft 11, described rotating shaft 11 or cutterhead 20 are provided with active toothed disk 27, described active toothed disk 27 is relative with cutterhead 20 with rotating shaft 11 fixing, when rotating shaft 11 slides axially, active toothed disk 27 can be made to engage with fixed tooth disk 17 or be separated.Active toothed disk 27 and fixed tooth disk 17 engage each other can guarantee each cutting spindle 23 precise positioning, and in process, cutterhead 20 can not produce any rotation, and machining accuracy is guaranteed.
Preferably, as shown in Figure 3,4, described second driver element comprise cabinet 10 is arranged with the hydraulic cylinder body 12 of cabinet 10 casing integrated with body machine-shaping, described rotating shaft 11 is provided with piston 13, described piston 13 forms be slidably matched with cylinder body 12 in cylinder body 12, and described cabinet 10 enclosure interior is provided with the fluid pressure line 14 for being communicated with cylinder body 12 inner chamber and hydraulic power source.Hydraulic cylinder of the present utility model and cabinet 10 integral type casting, compact conformation, avoid producing rigging error, kinematic accuracy is ensured.
Preferably, described first driver element 30 is servomotor, and the main shaft of described servomotor forms transmission by the first train of reduction gears 31 with the driven gear 32 that rotating shaft 11 is arranged and coordinates, described rotating shaft 11 is also provided with signal wheel 15, described cabinet 10 is provided with sensor 16, described signal wheel 15 is relative with rotating shaft 11 to be fixedly installed, the outer ring surface of described signal wheel (15) is stepped, and the edge of signal wheel (15) one of them end face is provided with an axially extended projection (151), described sensor (16) comprises takes turns the relative first sensor (161) of (15) end face with signal, the second sensor (162) that (15) outer ring surface is relative is taken turns with signal, and three sensor (163) relative with described projection (151), the described signal output part of sensor 16 and the driving signal input of servomotor are all connected with digital control system.Servomotor coordinates digital control system precisely can control the anglec of rotation, eliminates the indexing structure of traditional cutterhead, improves the stability of equipment.Described first sensor 161 detects the locking action (i.e. the engagement action of active toothed disk and fixed tooth disk) of cutterhead 20 by the displacement that detection signal takes turns 15 end faces; Second sensor 162 detects the disengagement action (i.e. the separating action of active toothed disk and fixed tooth disk) of cutterhead 20 by the displacement that detection signal takes turns 15 step surfaces, 3rd sensor 163 detects the dead-center position of cutterhead 20 by the position detecting projection 151, resets for cutterhead 20.
Preferably, described rotating shaft 11 runs through cabinet 10 inner chamber and rotating shaft 11 two ends overhang from cabinet 10 rear and front end respectively and go out, described cutterhead 20 is arranged in the rotating shaft 11 of cabinet 10 front end overhanging, described hydraulic cylinder body 12 is positioned at cabinet 10 rear end, signal wheel 15 and piston 13 are arranged in the rotating shaft 11 of cabinet 10 rear end overhanging, and it is inner that driven gear 32 and the first train of reduction gears 31 are all positioned at cabinet 10.
Further, described cutterhead 20 comprises the end plate 21 affixed with rotating shaft 11 end, and the circular shell 22 be arranged on this end plate 21, described circular shell 22 overhangs to cabinet 10 side and arranges, described each cutting spindle 20 is installed on this circular shell 22, it is inner that described active toothed disk 27 is arranged on this circular shell 22, and described fixed tooth disk 17 is fixed on the shell wall of cabinet 10 front end.
Further, dynamic sealing device is provided with between described circular shell 22 and cabinet 10 front end shell wall, described dynamic sealing device comprises the sealing ring 18 that cabinet 10 shell wall of fixed tooth disk 17 periphery is arranged, described sealing ring 18 outer end is provided with annular protrusion, described circular shell 22 the inner is provided with annular slot, described annular protrusion is plugged in annular slot and the two forms matched in clearance, and the sidewall of described annular protrusion is provided with cannelure, is provided with sealing ring 181 in this cannelure.Often there is iron in environment residing for machining center and the foreign material such as to cut, these foreign material enter cabinet 10 inside can cause transmission mechanism accelerated wear test, arranges dynamic sealing device and iron can be avoided to cut from the gap between cutterhead 20 and cabinet 10, to enter cabinet 10 inner.
Preferably, the shell wall of described cabinet 10 front end is also provided with transition gear seat 19, described transition gear seat 19 comprises sleeve pipe cabinet 10 shell wall protruding out setting, the external wall beneath of described sleeve pipe is provided with the minor axis 191 protruded out downwards, described transition gear 41 is arranged on this minor axis 191, described cabinet 10 front end shell wall is also provided with the bar hole corresponding with transition gear 41 position, described transition gear 41 is engaged by the end gear 43 of this bar hole with the second train of reduction gears 42 arranged in cabinet 10, the input of this second train of reduction gears 42 is connected with a spindle motor, this spindle motor is the 3rd driver element 40.
Claims (6)
1. a cutter-exchange mechanism, it is characterized in that: comprise cutterhead (20), described cutterhead (20) side face is arranged at intervals with multiple cutting spindle for clamping cutter (23), each cutting spindle (23) is arranged along cutterhead (20) radial rotating; Described cutterhead (20) and a rotating shaft (11) are coaxially fixed, described rotating shaft (11) circumference is rotated, sliding axially is arranged on cabinet (10), first driver element (30) drive shaft (11) circumference is rotated, and the second drive unit drives rotating shaft (11) slides axially; Described cabinet (10) is fixedly installed the fixed tooth disk (17) coaxial with rotating shaft (11), described rotating shaft (11) or cutterhead (20) are provided with active toothed disk (27), described active toothed disk (27) is relative fixing with rotating shaft (11) and cutterhead (20), when rotating shaft (11) slides axially, active toothed disk (27) can be made with fixed tooth disk (17) engagement or be separated.
2. cutter-exchange mechanism according to claim 1, it is characterized in that: described second driver element comprises the upper hydraulic cylinder body (12) that is that arrange and cabinet (10) casing integrated with body machine-shaping of cabinet (10), described rotating shaft (11) is provided with piston (13), described piston (13) forms be slidably matched with cylinder body (12) in cylinder body (12), and described cabinet (10) enclosure interior is provided with the fluid pressure line (14) for being communicated with cylinder body (12) inner chamber and hydraulic power source.
3. cutter-exchange mechanism according to claim 2, it is characterized in that: described first driver element (30) is servomotor, the main shaft of described servomotor forms transmission by the upper driven gear (32) arranged of the first train of reduction gears (31) and rotating shaft (11) and coordinates, described rotating shaft (11) is also provided with signal wheel (15), described cabinet (10) is provided with sensor (16), (15) are relative with rotating shaft (11) is fixedly installed for described signal wheel, the outer ring surface of described signal wheel (15) is stepped, and the edge of signal wheel (15) one of them end face is provided with an axially extended projection (151), described sensor (16) comprises takes turns the relative first sensor (161) of (15) end face with signal, the second sensor (162) that (15) outer ring surface is relative is taken turns with signal, and three sensor (163) relative with described projection (151), the signal output part of described sensor (16) and the driving signal input of servomotor are all connected with digital control system.
4. cutter-exchange mechanism according to claim 3, it is characterized in that: described rotating shaft (11) runs through cabinet (10) inner chamber and rotating shaft (11) two ends overhang from cabinet (10) rear and front end respectively and go out, described cutterhead (20) is arranged in the rotating shaft (11) of cabinet (10) front end overhanging, described hydraulic cylinder body (12) is positioned at cabinet (10) rear end, signal wheel (15) and piston (13) are arranged in the rotating shaft (11) of cabinet (10) rear end overhanging, it is inner that driven gear (32) and the first train of reduction gears (31) are all positioned at cabinet (10).
5. cutter-exchange mechanism according to claim 4, it is characterized in that: described cutterhead (20) comprises the end plate (21) affixed with rotating shaft (11) end, and the circular shell (22) be arranged on this end plate (21), described circular shell (22) overhangs to cabinet (10) side and arranges, described each cutting spindle (20) is installed on this circular shell (22), it is inner that described active toothed disk (27) is arranged on this circular shell (22), and described fixed tooth disk (17) is fixed on the shell wall of cabinet (10) front end.
6. cutter-exchange mechanism according to claim 5, it is characterized in that: between described circular shell (22) and cabinet (10) front end shell wall, be provided with dynamic sealing device, described dynamic sealing device comprises the sealing ring (18) that peripheral cabinet (10) shell wall of fixed tooth disk (17) is arranged, described sealing ring (18) outer end is provided with annular protrusion, described circular shell (22) the inner is provided with annular slot, described annular protrusion is plugged in annular slot and the two forms matched in clearance, the sidewall of described annular protrusion is provided with cannelure, sealing ring (181) is provided with in this cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709184.9U CN204997430U (en) | 2015-09-11 | 2015-09-11 | Cutter exchanging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709184.9U CN204997430U (en) | 2015-09-11 | 2015-09-11 | Cutter exchanging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204997430U true CN204997430U (en) | 2016-01-27 |
Family
ID=55154335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520709184.9U Expired - Fee Related CN204997430U (en) | 2015-09-11 | 2015-09-11 | Cutter exchanging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204997430U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772739A (en) * | 2018-08-17 | 2018-11-09 | 贵州大学 | A kind of tool magazine for the automatic tool changer for having the cam link mechanism to rest based on output shaft |
| CN110076591A (en) * | 2019-05-29 | 2019-08-02 | 深圳市金洲精工科技股份有限公司 | A kind of Multi-station rotary working table |
| CN110171569A (en) * | 2019-04-29 | 2019-08-27 | 曲阜师范大学 | A kind of agricultural land monitoring unmanned plane based on Internet of Things |
| CN110076591B (en) * | 2019-05-29 | 2024-05-10 | 深圳市金洲精工科技股份有限公司 | Multi-station rotary workbench |
-
2015
- 2015-09-11 CN CN201520709184.9U patent/CN204997430U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772739A (en) * | 2018-08-17 | 2018-11-09 | 贵州大学 | A kind of tool magazine for the automatic tool changer for having the cam link mechanism to rest based on output shaft |
| CN108772739B (en) * | 2018-08-17 | 2023-07-07 | 贵州大学 | Tool magazine of automatic tool changing based on cam link mechanism with output shaft having stop |
| CN110171569A (en) * | 2019-04-29 | 2019-08-27 | 曲阜师范大学 | A kind of agricultural land monitoring unmanned plane based on Internet of Things |
| CN110076591A (en) * | 2019-05-29 | 2019-08-02 | 深圳市金洲精工科技股份有限公司 | A kind of Multi-station rotary working table |
| CN110076591B (en) * | 2019-05-29 | 2024-05-10 | 深圳市金洲精工科技股份有限公司 | Multi-station rotary workbench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20200911 |