CN207309504U - A kind of electro spindle back unloads knife cylinder - Google Patents
A kind of electro spindle back unloads knife cylinder Download PDFInfo
- Publication number
- CN207309504U CN207309504U CN201720572629.2U CN201720572629U CN207309504U CN 207309504 U CN207309504 U CN 207309504U CN 201720572629 U CN201720572629 U CN 201720572629U CN 207309504 U CN207309504 U CN 207309504U
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- cylinder
- piston
- broaching tool
- cylinder body
- knife
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Abstract
It the utility model is related to cylinder technical field, unload knife cylinder more particularly to a kind of electro spindle back, it include cylinder head cover, overcoat, cylinder main body, broaching tool plate, broaching tool seat, support base, axle core component, stop nut, upper bearing (metal) and lower bearing, be arranged at lower bearing lower section lower axle pressure cap, be arranged above upper bearing (metal) upper bearing (metal) cover board, with cylinder head cover be threadably secured the push rod being connected；The first spring is connected between broaching tool seat and the 3rd cylinder body, cylinder main body is installed on broaching tool plate by the 3rd screw, and upper bearing (metal) carries out elastic pretension by second spring；Cylinder main body is connected by the 3rd spring with broaching tool plate；Pull rod is provided with the middle part of axle core component, the both sides of pull rod are both provided with pull-rod spring.Therefore, which unloads knife cylinder and can not only reduce when cylinder unloads knife to the impact force of bearing, moreover it is possible to changes the direction of impact force, makes impact force direction identical with bearing requirements Impact direction, so as to improve the service life of bearing.
Description
Technical field
It the utility model is related to cylinder technical field, and in particular to a kind of electro spindle back unloads knife cylinder.
Background technology
For electro spindle cylinder of the prior art when forging a knife, cylinder piston pushes directly on main shaft pull rod, and pull-rod spring should
Power passes to axle core component.Upper bearing (metal) on axle core component can be moved using elastic pretension in the axial direction, shaft core by
The axial force arrived influences upper bearing (metal) little.And lower axle bearing outer-ring is in the axial direction using rigidity positioning pretension, the work of axle core component
Bearing inner race is firmly directly delivered to, in the case of gravity and frictional force, which unloads knife power equal to main shaft and subtract
The pretightning force of upper bearing (metal), what the pretightning force of upper bearing (metal) was far smaller than main shaft unloads knife power, can be neglected, when unloading knife, lower bearing by
Power size is approximately equal to cylinder piston and acts on thrust on pull rod.That is, the angular contact ball axis used due to high-speed electric main shaft
Holding in the axial direction has the characteristics of single load bearing requirement, and when main shaft unloads knife, cylinder can produce lower bearing very big impact force, should
Therefore the Impact direction that the direction of impact force is required with lower bearing is on the contrary, seriously affect the service life of bearing.
Further, since pull-rod spring whether reset or state of tension under, elastic force is all very big, the speed that cylinder is forged a knife
It is exceedingly fast, cylinder is a kind of impact force to the active force of bearing during forging a knife, and can damage the ball and raceway of bearing, further drop
The service life of low bearing.
The content of the invention
For the prior art there are above-mentioned technical problem, the utility model provides a kind of electro spindle back to unload knife cylinder, should
Electro spindle back unloads knife cylinder and can not only reduce when cylinder unloads knife to the impact force of bearing, moreover it is possible to change the direction of impact force,
Make impact force direction identical with bearing requirements Impact direction, so as to improve the service life of bearing.
To achieve the above object, the utility model provides following technical scheme：
A kind of electro spindle back is provided and unloads knife cylinder, including overcoat, the top being arranged in the overcoat cylinder head cover,
The cylinder main body in the overcoat and being arranged at below the cylinder head cover is arranged at, with the cylinder main body is connected and is arranged at
Broaching tool plate below the cylinder main body, the broaching tool seat for fixing the broaching tool plate, for fixing the broaching tool seat and can allow
Support base that the broaching tool seat moves up and down vertically, with the axle core component of support base socket, be arranged at the shaft core group
The stop nut on part top, be arranged at the axle core component upper lateral part upper bearing (metal), be arranged at the downside of the axle core component
The lower bearing in portion, the lower section for being arranged at the lower bearing simultaneously position the lower axle pressure cap of lower bearing described in pretension for rigidity, set
The upper bearing (metal) cover board that is placed in above the upper bearing (metal), with the cylinder head cover be threadably secured the push rod being connected；
Further include the reset guide connector for being arranged at the cylinder head cover, drifting dust be oriented to connector and forge a knife be oriented to connector, with
And be connected with the reset guide connector reset gas-tpe fitting, with the drifting dust be oriented to connector be connected drifting dust gas-tpe fitting,
The gas-tpe fitting of forging a knife being connected with the guiding connector of forging a knife；
Further include the sidepiece for being arranged at the cylinder main body and the first gas circuit with being connected inside the cylinder main body, setting
In the other side of the cylinder main body and the second gas circuit with being connected inside the cylinder main body；First gas circuit with it is described
Forge a knife and be oriented to fittings, second gas circuit and the reset guide fittings；
The cylinder main body includes sequentially connected first cylinder body, the second cylinder body and the 3rd cylinder body, and is arranged at described
In first cylinder body and the first piston of second cylinder body is plugged in, is arranged in second cylinder body and is plugged in the described 3rd
The second piston of cylinder body, is arranged at the 3rd piston being connected in the 3rd cylinder body and with the broaching tool seat；The first piston,
The second piston is fixedly connected with the 3rd piston by the first screw；The broaching tool seat is fixed on institute by the second screw
State the 3rd piston；First cylinder body, second cylinder body and the 3rd cylinder body are fixedly connected with the cylinder head cover；
The first spring is connected between the broaching tool seat and the 3rd cylinder body, the cylinder main body is pacified by the 3rd screw
On the broaching tool plate, the upper bearing (metal) carries out elastic pretension by second spring；The cylinder main body passes through the 3rd spring
It is connected with the broaching tool plate；
Pull rod is provided with the middle part of the axle core component, the both sides of the pull rod are both provided with pull-rod spring.
The sealing of first gas circuit and second gas circuit is blocked by plug.
First gas circuit and second gas circuit are equiped with first seal.
First cylinder body and the first piston it is cylindrical between, second cylinder body it is cylindrical with the second piston
Between, the 3rd cylinder body and the 3rd piston it is cylindrical between be each equipped with second seal.
Between first cylinder body and the inner circle of the first piston, the inner circle of second cylinder body and the second piston
Between, between the inner circle of the 3rd cylinder body and the 3rd piston be each equipped with the 3rd seal.
The cooperation position of first cylinder body and second cylinder body is equiped with the 4th seal.
The first piston and the cooperation position of the second piston are equiped with the 5th seal.
Coordinate between the periphery wall of the broaching tool seat and the inner hole wall of the support base for interval.
The stop nut is fixedly installed on the axle core component by thread fitting.
The beneficial effects of the utility model：
（1）A kind of electro spindle back of the utility model unloads knife cylinder, including overcoat, the top that is arranged in the overcoat
Cylinder head cover, be arranged in overcoat and be arranged at below cylinder head cover cylinder main body, with cylinder main body be connected and be arranged at
Broaching tool plate below cylinder main body, the broaching tool seat for fixing broaching tool plate, for fixing broaching tool seat and broaching tool seat can be allowed vertically
The axle core component of support base and the support base socket moved up and down, be arranged at the stop nut on axle core component top, be arranged at axis
The upper bearing (metal) of the upper lateral part of core assembly, the lower bearing of following side for being arranged at axle core component, the lower section that is arranged at lower bearing are used in combination
Pass through in the rigidly lower axle pressure cap of positioning pretension lower bearing, the upper bearing (metal) cover board being arranged above upper bearing (metal), with cylinder head cover
Be screwed the push rod of connection；The first spring is connected between broaching tool seat and the 3rd cylinder body, cylinder main body passes through the 3rd spiral shell
Nail is installed on broaching tool plate, and upper bearing (metal) carries out elastic pretension by second spring；Cylinder main body passes through the 3rd spring and broaching tool plate
Connection；Pull rod is provided with the middle part of axle core component, the both sides of pull rod are both provided with pull-rod spring.Therefore, which unloads
Knife cylinder can not only be reduced when cylinder unloads knife to the impact force of bearing, moreover it is possible to changed the direction of impact force, made impact force direction
It is identical with bearing requirements Impact direction, so as to improve the service life of bearing.
（2）A kind of electro spindle back of the utility model unloads knife cylinder, have it is simple in structure, production cost is low, and can fit
The characteristics of closing large-scale production.
Brief description of the drawings
Fig. 1 is that a kind of electro spindle back of the utility model unloads structure diagram of the knife cylinder in cylinder reset state.
Fig. 2 is the partial enlargement structural representation at A in Fig. 1.
Fig. 3 is the partial enlargement structural representation at B in Fig. 1.
Fig. 4 is that a kind of electro spindle back of the utility model unloads partial structural diagram of the knife cylinder in the process of forging a knife one.
Fig. 5 is that a kind of electro spindle back of the utility model unloads partial structural diagram of the knife cylinder in the process of forging a knife two.
Fig. 6 is that a kind of electro spindle back of the utility model unloads partial structural diagram of the knife cylinder in the process of forging a knife three.
Reference numeral：
Cylinder head cover 1；Overcoat 2；Broaching tool plate 3；Broaching tool seat 4；Support base 5；Axle core component 6；Stop nut 7；Upper bearing (metal) 8；
Lower bearing 9；Lower axle pressure cap 10；Upper bearing (metal) cover board 11；Push rod 12；Reset guide connector 13；Drifting dust is oriented to connector 14；Forge a knife and lead
To connector 15；Reset gas-tpe fitting 16；Drifting dust gas-tpe fitting 17；Forge a knife gas-tpe fitting 18；First gas circuit 19；Second gas circuit 20；
First cylinder body 21；Second cylinder body 22；3rd cylinder body 23；First piston 24；Second piston 25；3rd piston 26；First screw 27；
Second screw 28；First spring 29；3rd screw 30；Second spring 31；3rd spring 32；Pull rod 33；Pull-rod spring 34；Plug
35；First seal 36；Second seal 37；3rd seal 38；4th seal 39；5th seal 40.
Embodiment
The utility model is described in detail below in conjunction with specific embodiment and attached drawing.
A kind of electro spindle back of the present embodiment unloads knife cylinder, as shown in Figures 1 to 6, including including overcoat 2, be arranged at
The cylinder head cover 1 at the top in overcoat 2, the cylinder main body and cylinder for being arranged in overcoat 2 and being arranged at the lower section of cylinder head cover 1
Main body connects and is arranged at the broaching tool plate 3 below cylinder main body, the broaching tool seat 4 for fixing broaching tool plate 3, for fixing broaching tool seat
4 and can allow support base 5 that broaching tool seat 4 moves up and down vertically, be socketed with support base 5 axle core component 6, be arranged at axle core component
The stop nut 7 on 6 tops, be arranged at axle core component 6 upper lateral part upper bearing (metal) 8, be arranged under the following side of axle core component 6
Bearing 9, the lower section for being arranged at lower bearing 9 simultaneously position the lower axle pressure cap 10 of pretension lower bearing 9 for rigidity, are arranged at upper bearing (metal)
The upper bearing (metal) cover board 11 of 8 tops, be threadably secured the push rod 12 being connected with cylinder head cover 1.
The electro spindle back unload knife cylinder further include the reset guide connector 13 for being arranged at cylinder head cover 1, drifting dust be oriented to connect
First 14 and forge a knife be oriented to connector 15 and be connected with reset guide connector 13 reset gas-tpe fitting 16, with drifting dust guiding connector
The drifting dust gas-tpe fitting 17 of 14 connections, the gas-tpe fitting 18 of forging a knife being connected with guiding connector 15 of forging a knife；The electro spindle back unloads knife
Cylinder further includes the sidepiece that is arranged at cylinder main body and the first gas circuit 19 with being connected inside cylinder main body, is arranged at cylinder main body
The other side and with the second gas circuit 20 for connecting inside cylinder main body；First gas circuit 19 is connected with guiding connector 15 of forging a knife, the
Two gas circuits 20 are connected with reset guide connector 13.
Wherein, cylinder main body includes sequentially connected first cylinder body 21, the second cylinder body 22 and the 3rd cylinder body 23, and sets
In in the first cylinder body 21 and being plugged in the first piston 24 of the second cylinder body 22, it is arranged in the second cylinder body 22 and is plugged in the 3rd cylinder
The second piston 25 of body 23, is arranged at the 3rd piston 26 being connected in the 3rd cylinder body 23 and with broaching tool seat 4；First piston 24,
Two pistons 25 are fixedly connected with the 3rd piston 26 by the first screw 27；Broaching tool seat 4 is fixed on the 3rd work by the second screw 28
Plug 26；First cylinder body 21, the second cylinder body 22 and the 3rd cylinder body 23 are fixedly connected with cylinder head cover 1.
Wherein, the first spring 29 is connected between 4 and the 3rd cylinder body 23 of broaching tool seat, cylinder main body is pacified by the 3rd screw 30
On broaching tool plate 3, upper bearing (metal) 8 carries out elastic pretension by second spring 31；Cylinder main body passes through the 3rd spring 32 and broaching tool
Plate 3 connects；Wherein, the middle part of axle core component 6 is provided with pull rod 33, and the both sides of pull rod 33 are both provided with pull-rod spring 34.
In the present embodiment, the sealing of the first gas circuit 19 and the second gas circuit 20 is blocked by plug 35.In addition, first
19 and second gas circuit 10 of gas circuit is equiped with first seal 36, and then prevents 10 gas leakage of the first gas circuit 19 and the second gas circuit.
In the present embodiment, the first cylinder body 21 and first piston 24 it is cylindrical between, the second cylinder body 22 and second piston 25
Between cylindrical, the 3rd cylinder body 23 and the 3rd piston 26 it is cylindrical between be each equipped with second seal 37, and then prevent gas leakage.
In the present embodiment, between the first cylinder body 21 and the inner circle of first piston 24, the second cylinder body 22 and second piston 25
The 3rd seal 38 is each equipped between inner circle, between the inner circle of the 3rd cylinder body 23 and the 3rd piston 26, and then prevents gas leakage.
In the present embodiment, the cooperation position of the first cylinder body 21 and the second cylinder body 22 is equiped with the 4th seal 39, and then prevents
Gas leakage.
In the present embodiment, first piston 24 and the cooperation position of second piston 25 are equiped with the 5th seal 40, and then prevent
Gas leakage.
In the present embodiment, coordinate between the periphery wall of broaching tool seat 4 and the inner hole wall of support base 5 for interval, and then easy to draw
What tool apron 4 can axially be moved up and down along support base 5.
In the present embodiment, stop nut 7 is fixedly installed on axle core component 6 by thread fitting, and then with easy to peace
The characteristics of dress is fixed.
The reset state of knife cylinder is unloaded for the electro spindle back as shown in Figure 1 to Figure 3, is acted in the elastic force of the 3rd spring 32
Under, cylinder main body moves up, and top and the overcoat 2 of cylinder head cover 1 touch, in the elastic force of the first spring 29 and the effect of reset air pressure
Under, the 3rd piston 26, second piston 25 and first piston 24 are with respect under the 3rd cylinder body 23, the second cylinder body 22 and the first cylinder body 21
Move, and then drive broaching tool plate 3 to be contacted with upper bearing (metal) cover board 11.
As shown in Figures 4 to 6, when forging a knife, compressed gas is entered by forge a knife gas-tpe fitting 18 and guiding connector 15 of forging a knife
First gas circuit 19, and then enter inside cylinder main body, under the active force of the 3rd spring 32, cylinder main body is integrally still withstood on outer
Motionless on set 2, first piston 24, second piston 25 and the entirety of the 3rd piston 26 move up, and then drive broaching tool plate 3 to move up,
And contacted with stop nut 7, broaching tool plate 3 produces upward impact force to stop nut 7 and is approximately equal to the 3rd spring during this
32 elastic force, it is far smaller than the elastic force of pull-rod spring 34, and the direction of active force is upward, and axial with the requirement of lower bearing 9 carries
Lotus direction is consistent（As shown in Figure 4）, first piston 24, second piston 25 and the entirety of the 3rd piston 26 are limited nut 7 and limit at this time
Position so that first piston 24, second piston 25 and the 3rd piston 26 are overall motionless.And cylinder main body integrally departs from overcoat 2 and moves down,
And then driving push rod 12 to move down, folding process refers to Fig. 5 and Fig. 6, and then final pushing drawing rod 33 moves down, and at remaining
Complete to unload knife under the action of auxiliary body.In addition, disconnecting drifting dust air pressure and unloading knife air pressure, reset air pressure is filled with, main shaft reverts to
The reset state of Fig. 1.
The electro spindle back unloads knife cylinder during forging a knife, and the first cylinder body 21, the second cylinder body 22 and the 3rd cylinder body 23 are whole
It is spacing that body relies on first piston 24,25 and the 3rd piston 26 of second piston to carry out, and upward impact force is produced to axle core component 6,
The size of the impact force is close to the elastic force of the 3rd spring 32, and well below the elastic force of pull-rod spring 34, the direction of impact force is with
The loading direction of the requirement of bearing 9 is consistent, plays the role of protecting lower bearing 9.Push rod 12 is fixed on cylinder main body, by cylinder
12 pushing drawing rod 33 of mobile drive push rod of main body is completed to unload knife action.Therefore, the electro spindle back unload knife cylinder can not only
Reduce when cylinder unloads knife to the impact force of bearing, moreover it is possible to change the direction of impact force, make impact force direction and bearing requirements stress
Direction is identical, so as to improve the service life of bearing.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
Lead to it will be appreciated by the skilled person that can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from this
The spirit and scope of utility model technical solution.
Claims (9)
1. a kind of electro spindle back unloads knife cylinder, it is characterised in that：Cylinder including overcoat, the top being arranged in the overcoat
Head cover, the cylinder main body for being arranged in the overcoat and being arranged at below the cylinder head cover, be connected simultaneously with the cylinder main body
It is arranged at the broaching tool plate below the cylinder main body, the broaching tool seat for fixing the broaching tool plate, for fixing the broaching tool seat
And can allow support base that the broaching tool seat moves up and down vertically, with the axle core component of support base socket, be arranged at it is described
The stop nut on axle core component top, be arranged at the axle core component upper lateral part upper bearing (metal), be arranged at the axle core component
Following side lower bearing, be arranged at the lower bearing lower section and for rigidity position pretension described in lower bearing lower axle pressure-bearing
The upper bearing (metal) cover board that cover, is arranged above the upper bearing (metal), with the cylinder head cover be threadably secured the push rod being connected；
Further include the reset guide connector for being arranged at the cylinder head cover, drifting dust is oriented to connector and forge a knife guiding connector, Yi Jiyu
The reset gas-tpe fitting of the reset guide connector connection, the drifting dust gas-tpe fitting being connected with drifting dust guiding connector and institute
State to forge a knife and be oriented to the gas-tpe fitting of forging a knife of connector connection；
Further include the sidepiece that is arranged at the cylinder main body and the first gas circuit with being connected inside the cylinder main body, be arranged at institute
State the other side of cylinder main body and the second gas circuit with being connected inside the cylinder main body；First gas circuit is forged a knife with described
It is oriented to fittings, second gas circuit and the reset guide fittings；
The cylinder main body includes sequentially connected first cylinder body, the second cylinder body and the 3rd cylinder body, and is arranged at described first
In cylinder body and the first piston of second cylinder body is plugged in, is arranged in second cylinder body and is plugged in the 3rd cylinder body
Second piston, be arranged at the 3rd piston being connected in the 3rd cylinder body and with the broaching tool seat；It is the first piston, described
Second piston is fixedly connected with the 3rd piston by the first screw；The broaching tool seat is fixed on described by the second screw
Three pistons；First cylinder body, second cylinder body and the 3rd cylinder body are fixedly connected with the cylinder head cover；
The first spring is connected between the broaching tool seat and the 3rd cylinder body, the cylinder main body is installed on by the 3rd screw
On the broaching tool plate, the upper bearing (metal) carries out elastic pretension by second spring；The cylinder main body passes through the 3rd spring and institute
State the connection of broaching tool plate；
Pull rod is provided with the middle part of the axle core component, the both sides of the pull rod are both provided with pull-rod spring.
2. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：First gas circuit and described
The sealing of second gas circuit is blocked by plug.
3. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：First gas circuit and described
Second gas circuit is equiped with first seal.
4. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：First cylinder body with it is described
First piston it is cylindrical between, second cylinder body and the second piston it is cylindrical between, the 3rd cylinder body lives with the described 3rd
Plug it is cylindrical between be each equipped with second seal.
5. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：First cylinder body with it is described
Between the inner circle of first piston, between the inner circle of second cylinder body and the second piston, the 3rd cylinder body lives with the described 3rd
The 3rd seal is each equipped between the inner circle of plug.
6. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：First cylinder body with it is described
The cooperation position of second cylinder body is equiped with the 4th seal.
7. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：The first piston with it is described
The cooperation position of second piston is equiped with the 5th seal.
8. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：The periphery wall of the broaching tool seat
Coordinate between the inner hole wall of the support base for interval.
9. a kind of electro spindle back according to claim 1 unloads knife cylinder, it is characterised in that：The stop nut passes through spiral shell
Line, which coordinates, to be fixedly installed on the axle core component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572629.2U CN207309504U (en) | 2017-05-22 | 2017-05-22 | A kind of electro spindle back unloads knife cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720572629.2U CN207309504U (en) | 2017-05-22 | 2017-05-22 | A kind of electro spindle back unloads knife cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207309504U true CN207309504U (en) | 2018-05-04 |
Family
ID=62437066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720572629.2U Withdrawn - After Issue CN207309504U (en) | 2017-05-22 | 2017-05-22 | A kind of electro spindle back unloads knife cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207309504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116387A (en) * | 2017-05-22 | 2017-09-01 | 东莞市巨冈机械工业有限公司 | A kind of electro spindle back unloads knife cylinder |
-
2017
- 2017-05-22 CN CN201720572629.2U patent/CN207309504U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116387A (en) * | 2017-05-22 | 2017-09-01 | 东莞市巨冈机械工业有限公司 | A kind of electro spindle back unloads knife cylinder |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Dongye roadside, science and Technology Industrial City, Houjie Town, Dongguan City, Guangdong Province Patentee after: Jugang Jinggong (Guangdong) Co.,Ltd. Address before: 523000 Dongye roadside, science and Technology Industrial City, Houjie Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN CATO MECHANICAL INDUSTRY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20230411 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20230411 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |