CN207494572U - A kind of proboscis main shaft device - Google Patents
A kind of proboscis main shaft device Download PDFInfo
- Publication number
- CN207494572U CN207494572U CN201721509489.0U CN201721509489U CN207494572U CN 207494572 U CN207494572 U CN 207494572U CN 201721509489 U CN201721509489 U CN 201721509489U CN 207494572 U CN207494572 U CN 207494572U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- main shaft
- proboscis
- shaft
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model discloses a kind of proboscis main shaft devices, including shaft, tool changing device and pressurizing cylinder, shaft is threaded through in sleeve, the inner hollow of shaft, outer cover is equipped with bearing assembly, tool changing device includes core cylinder, and core cylinder is fixed in shaft, and the bottom of core cylinder is equipped with clamping jaw, pull rod is movably equipped in core cylinder, the outer cover of core cylinder is equipped with spring, and the upper/lower terminal of spring with pull rod and core cylinder abutting contact, and is configured to respectively：Pull rod moves downward, and spring-compressed, clamping jaw struts, and pull rod moves upwards, spring reset, and clamping jaw is closed, and pressurizing cylinder is arranged on the top of sleeve, and the piston rod of pressurizing cylinder is fixedly connected with ring of forging a knife, and ring set of forging a knife is located in shaft, and is fixedly connected with pull rod.The utility model, the assembly precision of upper bearing (metal) group and lower bearing group is improved by rear split ring, front split ring, and then improves the load capacity of main shaft device, extends service life, and being moved up and down by pull rod makes clamping jaw opening and closing complete tool changing, improves tool changing efficiency.
Description
Technical field
The utility model is related to machining equipments, and in particular to a kind of proboscis main shaft device.
Background technology
The main shaft of the process equipments such as lathe develops, but main shaft to high-precision, high speed, heavy duty and intelligentized direction
Rotary speed restricted by bearing, the bearing of conventional master spindle is mostly using rolling bearing, but rolling bearing is by material, work
The limitation of the factors such as skill, cooling, lubrication, the linear velocity of relative motion cannot be too big, in high-speed rotating main shaft is supported by
To limitation.Although hydrodynamic bearing adapts to high-speed cruising, but when the situation for having rotating speed, the variation of load or frequent start and stop
When, its life and reliability can be seriously affected, hydrodynamic journal liquid polymers can be in various situations such as rotating speed, load variation and frequent start and stop
Lower high-speed cruising, but it needs the forced feed system of a set of bulky complex, and gas bearing also adapts to run at high speed, but it holds
Loading capability is very poor, it is difficult to bear bigger load.In addition, most of main shafts need to unscrew before and after tool changing, tighten locking screw
Mother, tool changing efficiency are low.
It can be seen that there are the problem of bearing capacity difference and low tool changing efficiency for existing main shaft device.
Utility model content
Technical problem to be solved in the utility model is bearing capacity difference and the tool changing present in existing main shaft device
The problem of efficiency is low.
In order to solve the above-mentioned technical problem, technical solution is to provide a kind of proboscis main shaft dress used by the utility model
It puts, including：
Shaft is threaded through in sleeve, the inner hollow of the shaft, and outer cover is equipped with bearing assembly；
Tool changing device, including core cylinder, the core cylinder is fixed in the shaft, and the bottom of the core cylinder is equipped with clamping jaw, institute
State and pull rod be movably equipped in core cylinder, the outer cover of the core cylinder is equipped with spring, the upper/lower terminal of the spring respectively with the drawing
Bar and the core cylinder abutting contact, and be configured to：
The pull rod moves downward, and the spring-compressed, the clamping jaw struts；
The pull rod moves upwards, the spring reset, and the clamping jaw is closed；
Pressurizing cylinder is arranged on the top of the sleeve, and the piston rod of the pressurizing cylinder is fixedly connected with ring of forging a knife, institute
It states ring set of forging a knife to be located in the shaft, and is fixedly connected with the pull rod.
In said program, the piston rod is equipped with inductance loop, and the pressurizing cylinder is equipped with to detect the sense
The position of Ying Huan, and the location information of the inductance loop is passed to the inductor of control system.
In said program, the top of the pull rod is equipped with fixed block, and the shaft is equipped with and is adapted to the fixed block
Bar hole, the fixed block is threaded through in the bar hole, and is fixedly connected with the ring of forging a knife.
In said program, the bearing assembly include from top to bottom being sequentially sleeved at accurate nut in the shaft,
Rear split ring, upper bearing (metal) group, interval cylinder, lower bearing group, front split ring and drip ring, it is accurate that the upper bearing (metal) group includes first, second
Bearing is equipped with the first spacer ring between first, second precision bearing, and the lower bearing group includes third, the 4th precision bearing,
The second spacer ring is equipped between the third, the 4th precision bearing.
In said program, the bottom and top of the sleeve are respectively equipped with protecgulum and back seat, and the pressurizing cylinder is fixed
In the rear on seat.
In said program, the lower part of the sleeve is arranged with cooling jacket, and the upper and lower ends of the cooling jacket are all provided with
There is sealing ring.
In said program, the spring is disk spring.
In said program, the periphery of the sleeve is equipped with external screw thread.
In said program, the top of the shaft is equipped with shaft coupling.
In said program, the clamping jaw is pintongs clamping jaw.
The utility model effectively increases the assembly precision of upper bearing (metal) group and lower bearing group by rear split ring, front split ring, into
And the load capacity of main shaft device is improved, and extend service life, being moved up and down by pull rod makes clamping jaw opening and closing complete to change
Knife improves tool changing efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the decomposition diagram of the utility model；
Fig. 3 is another decomposition diagram of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings of the specification.
As shown in Figures 1 to 3, the utility model provides a kind of proboscis main shaft device, including 10 sleeve 20 of shaft and tool changing
Device, shaft 10 are in inverted T shapes, and inner hollow, equipped with bearing assembly, bearing assembly includes from top to bottom covering successively outer cover
Accurate nut 11, rear split ring 12, upper bearing (metal) group, interval cylinder 14, lower bearing group, front split ring 16 and the drip ring being located in shaft 10
17, wherein, upper bearing (metal) group includes the first precision bearing 131 and the second precision bearing 132 setting up and down, and the first precision bearing
131 and second are equipped with the first spacer ring 18 between precision bearing 132, and lower bearing group includes third precision bearing 151 setting up and down
With the 4th precision bearing 152, the second spacer ring 19 is equipped between 151 and the 4th precision bearing 152 of third precision bearing, is had higher
Installation accuracy.
The top of shaft 10 is equipped with external screw thread, and accurate nut 11 is threadedly coupled with shaft 10, play fasten rear split ring 12, on
The effect of bearing group, interval cylinder 14, lower bearing group, front split ring 16 and drip ring 17, wherein, the top of drip ring 17 is with circle
Slot, the lower edge of shaft 10 are embedded into the circular trough, have good sealing function, can effectively prevent water stain, greasy dirt
Into in shaft 10, by rear split ring 12, front split ring 16, the first spacer ring 18 and the second spacer ring 19 effectively increase upper bearing (metal) group and
The assembly precision of lower bearing group, and then the load capacity of main shaft device is improved, and extend service life.Sleeve 20 is set in
On the outer ring of upper bearing (metal) group and lower bearing group, shaft 10 can rotate in sleeve 20.The top of shaft 10 is equipped with shaft coupling 21, connection
Axis device 21 is connect by connecting seat 22 with shaft 10, and shaft coupling 21 is mechanically connected for the output shaft of driving motor.
Tool changing device includes core cylinder 30, and core cylinder 30 is fixed in shaft 10, and the bottom of core cylinder 30 is equipped with clamping jaw 31, this clamping jaw
31 be preferably pintongs clamping jaw, for the cutter that is fixedly clamped.Pull rod 32 is movably equipped in core cylinder 30, the outer cover of core cylinder 30 is equipped with bullet
Spring 33, the 33 preferred butterfly spring of spring have the characteristics that rigidity is big, buffering vibration absorption ability is strong, and durability is good, long lifespan.Bullet
Respectively with 30 abutting contact of pull rod 32 and core cylinder, pull rod 32 can move up and down, and pass through the upper/lower terminal of spring 33 in core cylinder 30
It moves up and down and clamping jaw 31 is driven to strut or be closed, be configured to：
Pull rod 32 moves downward, and the lower end of pull rod 32 can be deep into clamping jaw 31, clamping jaw 31 is strutted by pull rod 32, at this time
Spring 33 is compressed, and can be taken off or replace cutter；
When pull rod 32 moves upwards, pull rod 32 can be detached to the inside of clamping jaw 31, clamping jaw 31 is closed, and spring 33 is multiple at this time
Position, cutter is locked.
Pull rod 32 is moved up and down by the drive of ring 34 of forging a knife, and the top of pull rod 32 is equipped with fixed block 35, and the top of shaft 10 is set
There is the bar hole 23 being adapted to the fixed block 35, fixed block 35 is worn in this bar hole 23, and ring 34 of forging a knife is set in shaft 10
Top, ring 34 of forging a knife is fixedly connected with fixed block 35, and is fixedly connected with the piston rod of pressurizing cylinder 24.Ring 34 of forging a knife is increasing
It is moved down under the drive of compressing cylinder 24 along shaft 10, ring 34 of forging a knife can drive pull rod 32 along shaft about 10 by fixed block 35
It is mobile, clamping jaw 31 is made to strut or be closed, completes to pick and place cutter with this, without tightening repeatedly, unscrewing locking screw during tool changing
Mother improves tool changing efficiency.
In order to further enhance leakproofness, the top and bottom of sleeve 20 are fixedly installed protecgulum 25 and back seat 26 respectively,
Protecgulum 25 and back seat 26 are fixedly connected by screw with sleeve 20.The periphery of sleeve 20 is additionally provided with external screw thread 27, is easily installed
Fix the sleeve 20, practical convenient.
Pressurizing cylinder 24 is fixed on back seat 26, and the piston rod of pressurizing cylinder 24 is equipped with inductance loop 28, on pressurizing cylinder
Equipped with detecting the position of the inductance loop 28, and the location information of inductance loop 28 is passed to the inductor of control system, piston
28 touch sensor of inductance loop after specified altitude assignment is moved on on bar, inductor sends out signal at this time, represents tool changing completion, can carry out
It acts in next step.
In order to obtain higher rotating speed, the lower part of sleeve 20 is arranged with cooling jacket 29, has flowing to follow in cooling jacket 29
Ring water cooling passes in and out, and to cool down main shaft, main shaft is made to hold time longer and higher rotating speed state, and up and down the two of cooling jacket 29
End is equipped with sealing ring, prevents cold water from oozing out.
The utility model effectively increases the assembling essence of upper bearing (metal) group and lower bearing group by rear split ring 12, front split ring 16
Degree, and then the load capacity of main shaft device is improved, and extend service life, being moved up and down by pull rod 32 opens clamping jaw 31
It closes and completes tool changing, improve tool changing efficiency.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under the enlightenment of the utility model
The structure change made, it is every that there is same or similar technical solution with the utility model, each fall within the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of proboscis main shaft device, which is characterized in that including：
Shaft is threaded through in sleeve, the inner hollow of the shaft, and outer cover is equipped with bearing assembly；
Tool changing device, including core cylinder, the core cylinder is fixed in the shaft, and the bottom of the core cylinder is equipped with clamping jaw, the core
Be movably equipped with pull rod in cylinder, the outer cover of the core cylinder is equipped with spring, the upper/lower terminal of the spring respectively with the pull rod and
The core cylinder abutting contact, and be configured to：
The pull rod moves downward, and the spring-compressed, the clamping jaw struts；
The pull rod moves upwards, the spring reset, and the clamping jaw is closed；
Pressurizing cylinder is arranged on the top of the sleeve, and the piston rod of the pressurizing cylinder is fixedly connected with ring of forging a knife, described to beat
Knife ring set is located in the shaft, and is fixedly connected with the pull rod.
2. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the piston rod is equipped with inductance loop, institute
Pressurizing cylinder is stated equipped with the position for detecting the inductance loop, and the location information of the inductance loop is passed into control system
The inductor of system.
3. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the top of the pull rod is equipped with fixed block,
The shaft is equipped with the bar hole that is adapted to the fixed block, and the fixed block is threaded through in the bar hole, and with it is described
Ring of forging a knife is fixedly connected.
4. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the bearing assembly include from top to bottom according to
The secondary accurate nut being set in the shaft, rear split ring, upper bearing (metal) group, interval cylinder, lower bearing group, front split ring and drip ring,
The upper bearing (metal) group includes first, second precision bearing, and the first spacer ring is equipped between first, second precision bearing, described
Lower bearing group includes third, the 4th precision bearing, and the second spacer ring is equipped between the third, the 4th precision bearing.
5. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the bottom and top of the sleeve are set respectively
There are protecgulum and back seat, the pressurizing cylinder is fixed on the back seat.
6. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the lower part of the sleeve is arranged with cooling water
Set, the upper and lower ends of the cooling jacket are equipped with sealing ring.
7. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the spring is disk spring.
8. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the periphery of the sleeve is equipped with external screw thread.
9. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the top of the shaft is equipped with shaft coupling.
10. a kind of proboscis main shaft device as described in claim 1, which is characterized in that the clamping jaw is pintongs clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509489.0U CN207494572U (en) | 2017-11-13 | 2017-11-13 | A kind of proboscis main shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509489.0U CN207494572U (en) | 2017-11-13 | 2017-11-13 | A kind of proboscis main shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207494572U true CN207494572U (en) | 2018-06-15 |
Family
ID=62504007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721509489.0U Active CN207494572U (en) | 2017-11-13 | 2017-11-13 | A kind of proboscis main shaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207494572U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013925A (en) * | 2018-09-19 | 2018-12-18 | 昆山鼎坚精密机械有限公司 | The dedicated spindle cooling device of automotive hub spinning machine |
| CN111037320A (en) * | 2019-12-31 | 2020-04-21 | 泉州市盛誉机械设备有限公司 | Oil cylinder type automatic up-down tool changing spindle and tool changing method thereof |
| CN112518394A (en) * | 2020-12-08 | 2021-03-19 | 广州市昊志机电股份有限公司 | Mechanical tool changing center water outlet electric spindle and machine tool |
-
2017
- 2017-11-13 CN CN201721509489.0U patent/CN207494572U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013925A (en) * | 2018-09-19 | 2018-12-18 | 昆山鼎坚精密机械有限公司 | The dedicated spindle cooling device of automotive hub spinning machine |
| CN111037320A (en) * | 2019-12-31 | 2020-04-21 | 泉州市盛誉机械设备有限公司 | Oil cylinder type automatic up-down tool changing spindle and tool changing method thereof |
| CN112518394A (en) * | 2020-12-08 | 2021-03-19 | 广州市昊志机电股份有限公司 | Mechanical tool changing center water outlet electric spindle and machine tool |
| CN112518394B (en) * | 2020-12-08 | 2024-05-31 | 广州市昊志机电股份有限公司 | Electric spindle and machine tool for water outlet of mechanical tool changing center |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207494572U (en) | A kind of proboscis main shaft device | |
| EP3492203B1 (en) | Lathe fixture for clamping automobile hub | |
| CN106239227B (en) | Machining center tool magazine switch | |
| CN202622559U (en) | Rotatable blade peripheral grinding machine workpiece clamping and transmission device | |
| CN209532120U (en) | A kind of direct-connected main shaft | |
| CN202655913U (en) | Rotary type workbench and vertical type turn milling compound machine tool | |
| CN114227326B (en) | Tooling jig for processing aerospace bolt | |
| CN204235299U (en) | A kind of Novel dual head Digit Control Machine Tool | |
| CN2928324Y (en) | High efficiency pneumatic chuck | |
| CN106346032A (en) | Telescopic floating claw chuck for shaft processing | |
| CN204294968U (en) | A kind of chuck of processing automobile accessory | |
| CN206241284U (en) | Axle processes retractable floating dog chuck | |
| CN204035715U (en) | A kind of direct-drive type numerical control hobbing knife rest | |
| CN108044310A (en) | A kind of manufacture craft of high-speed and high-temperature precision deep groove ball bearing | |
| CN207494573U (en) | A kind of main shaft device | |
| CN103567628B (en) | A kind of spring provides the friction welding power chuck of power | |
| CN105328569B (en) | Grinding wheel chuck of high-speed precision roll grinding head | |
| CN212071226U (en) | Hydraulic floating tool loosening device for horizontal machining center | |
| CN203664688U (en) | Automatic cutter loosening and unloading structure of machine tool spindle | |
| CN201913489U (en) | Clamp system for connection and processing of pump wheel assembly | |
| CN107825152A (en) | Three fluted discs position index table | |
| CN204818975U (en) | Digit control machine tool that positioning accuracy is high | |
| CN205254687U (en) | Index head | |
| CN211103212U (en) | Rotary-barrel gun case spiral groove grinding device | |
| CN207534375U (en) | A kind of three fluted discs positioning index table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |