CN208276188U - A kind of machine tool centre device - Google Patents
A kind of machine tool centre device Download PDFInfo
- Publication number
- CN208276188U CN208276188U CN201820620198.7U CN201820620198U CN208276188U CN 208276188 U CN208276188 U CN 208276188U CN 201820620198 U CN201820620198 U CN 201820620198U CN 208276188 U CN208276188 U CN 208276188U
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- thimble
- piston
- cylinder
- machine tool
- thimble cylinder
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Abstract
The utility model provides a kind of machine tool centre device, belongs to machining equipment technical field.It solves the problems such as poor existing machine tool centre device guiding performance, movement low efficiency.This machine tool centre device, including pedestal and tank shell, tank shell includes thimble case and the connection pedestal for being set to tank shell bottom end, the top of thimble case is provided with thimble room, thimble is provided with push pin device in room, push pin device includes thimble cylinder and top, there is partition in thimble cylinder, partition will be divided into installation cavity and plunger shaft inside thimble cylinder, installation cavity is for installation and stationary center, thimble piston is provided in plunger shaft, thimble piston includes piston head and piston rod, piston rod one end is fixedly connected with piston head, its other end is connected with tailstock rear cover, it is covered after tailstock and is provided with port and lower port, the gas bend that the gas straight way being internally provided with for controlling the Forward of thimble cylinder and control thimble cylinder of thimble piston move back.The utility model has many advantages, such as that guiding performance is stablized.
Description
Technical field
The utility model belongs to machining equipment technical field, is related to a kind of lathe, in particular to a kind of lathe center
Device.
Background technique
Lathe is the equipment for mainly carrying out turnery processing with workpiece of the lathe tool to rotation, be generally divided into Metal Cutting Machine Tool,
Forging machine tool and wood craft machines etc..Lathe mainly by bearing part, gear, feed mechanism, spindle box, lubricating system and
The composition such as thimble tailstock.There are many method of processing equipment part in modern mechanical manufacturing: in addition to machining, there are also castings, forging
It makes, weld, punching press, extruding etc., required precision is higher and the thinner part of surface roughness requirements as long as belonging to, generally all need to be in machine
It is finally processed on bed with the method for cutting.Lathe plays significant role, lathe master in the construction of national economic modernization
The equipment system of a completion is made up of process equipments such as lathe, milling machine, drilling machines.
Push pin device is a structure more universal in lathe, is mainly used for lathe in working shaft-like part, passes through
Thimble is auxiliarily fixed axial workpiece center, prevents lathe in processing, since high-speed cutting influences the processing of part
Precision is used for the push pin device of lathe on existing market, and structure is mostly relatively simple, using traditional handwheel and clamping handle
Push pin device is moved and fixed, the precision misalignment of thimble is will cause, causes part's machining errors larger.
Summary of the invention
The purpose of this utility model be for the above-mentioned problems in the prior art, provide a kind of guiding performance it is stable,
Structurally reasonable, mobile high-efficient machine tool centre device.
The purpose of this utility model can be realized by the following technical scheme: a kind of machine tool centre device, including pedestal with
And tank shell, the tank shell include thimble case and the connection pedestal for being set to tank shell bottom end, which is characterized in that described
The top of thimble case is provided with thimble room, and push pin device is provided in the thimble room, and the push pin device includes thimble
Cylinder and top, is provided with guiding device, has partition in thimble cylinder, the partition will be in thimble cylinder on the thimble cylinder
Part is at mutually independent installation cavity and plunger shaft, and the installation cavity is used to install and stationary center, in the plunger shaft
It is provided with thimble piston, the thimble piston includes the piston head and piston rod in sealing contact with thimble cylinder inner wall, described
Piston rod one end be fixedly connected with piston head, the other end is connected with tailstock rear cover, covers after the tailstock and is provided with gas
Mouth and lower port, the gas straight way being internally provided with for controlling the Forward of thimble cylinder and control thimble cylinder of the thimble piston move back
Gas bend, the gas straight way is connected with upper port, and the gas bend is connected with lower port.
The technical effect of this machine tool centre device are as follows: traditional push pin device is carried out structure improvement by machine tool centre device,
Piston rod inner is provided with gas straight way and gas bend, and piston rod is in stationary state with respect to thimble cylinder, push pin device needs
When being moved to the left, gas is injected toward the front end of plunger shaft by gas straight way, entire thimble cylinder moves forward, piston head and work at this time
The distance between plug sealing cover can further, and when needing backward to move back push pin device, gas is input to gas by lower port
Then bend drains into the side gap between piston rod and plunger shaft, the gas of plunger shaft front end can be arranged from original route at this time
Out, the guiding device on thimble cylinder moves to left thimble cylinder, to move to right guiding performance more smooth.
In a kind of above-mentioned machine tool centre device, the gas straight way is distributed along the length direction of thimble piston, and gas
Straight way front end extends through piston head, is connected with the front side chamber of plunger shaft.
In a kind of above-mentioned machine tool centre device, the gas bend is distributed along the length direction of thimble piston, and
The junction of piston head and piston rod is provided with exhaust duct, and the exhaust duct is mutually perpendicular to gas bend.
In a kind of above-mentioned machine tool centre device, the guiding device includes guide pad and is used for for a guide pad left side
The guide groove of right sliding, the guide pad are fixed on thimble case, and the guide groove is set to the outer end face of thimble cylinder
On, and be distributed along the length direction of thimble cylinder.
In a kind of above-mentioned machine tool centre device, the tail end of the thimble cylinder is fixed with piston seal lid, the work
It fills in and offers the cap bore penetrated for piston rod at the center of sealing cover, the piston seal, which covers, to be had towards plunger shaft protrusion
Sealing edge, the sealing edge are distributed in the periphery of cap bore.
In a kind of above-mentioned machine tool centre device, the front end of the thimble cylinder is provided with retaining ring, the thimble cylinder with
There is locking screw at retaining ring opposite position.
Compared with prior art, this machine tool centre device realizes the movement of thimble cylinder by the way of pneumatic, and by leading
Make movement more smooth to device, has the advantages that guiding performance is stable, structurally reasonable, movement is high-efficient.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of this machine tool centre device.
Fig. 2 is the partial schematic sectional view of this machine tool centre device.
Fig. 3 is the schematic structural cross-sectional view of push pin device in this machine tool centre device.
In figure, 1, pedestal；2, tank shell；3, thimble case；4, pedestal is connected；5, thimble room；6, push pin device；7, thimble
Cylinder；8, top；9, guiding device；10, partition；11, installation cavity；12, plunger shaft；13, thimble piston；14, piston head；15, living
Stopper rod；16, tailstock rear cover；17, upper port；18, lower port；19, gas straight way；20, gas bend；21, exhaust duct；22, guide pad；
23, guide groove；24, piston seal lid；25, cap bore；26, sealing edge；27, retaining ring；28, locking screw.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 3, this lathe center tailstock, including pedestal 1 and tank shell 2, tank shell 2 include thimble case 3
And it is set to the connection pedestal 4 of 2 bottom end of tank shell, the top of thimble case 3 is provided with thimble room 5, and top is provided in thimble room 5
Needle device 6, push pin device 6 include thimble cylinder 7 and top 8, are provided with guiding device 9 on thimble cylinder 7, have in thimble cylinder 7
Partition 10, partition 10 will be divided into mutually independent installation cavity 11 and plunger shaft 12 inside thimble cylinder 7, installation cavity 11 for install with
Stationary center 8 is provided with thimble piston 13 in plunger shaft 12, and thimble piston 13 includes the work in sealing contact with 7 inner wall of thimble cylinder
Chock plug 14 and piston rod 15,15 one end of piston rod are fixedly connected with piston head 14, and the other end is connected with tailstock rear cover 16, tailstock
Port 17 and lower port 18 are provided on rear cover 16, thimble piston 13 is internally provided with for controlling the Forward of thimble cylinder 7
The gas bend 20 that gas straight way 19 and control thimble cylinder 7 move back, gas straight way 19 are connected with upper port 17, gas bend 20 and lower port
18 are connected.
It further describes in detail, gas straight way 19 is distributed along the length direction of thimble piston 13, and 19 front end of gas straight way extends through
Piston head 14 is connected with the front side chamber of plunger shaft 12.
It further describes in detail, gas bend 20 is distributed along the length direction of thimble piston 13, and in piston head 14 and piston rod 15
Junction be provided with exhaust duct 21, exhaust duct 21 is mutually perpendicular to gas bend 20.
Further to describe in detail, guiding device 9 includes guide pad 22 and the guide groove 23 for sliding for guide pad 22 or so,
Guide pad 22 is fixed on thimble case 3, and guide groove 23 is set in the outer end face of thimble cylinder 7, and along the length side of thimble cylinder 7
To distribution.
It further describes in detail, the tail end of thimble cylinder 7 has been fixed with piston seal lid 24, opens at the center of piston seal lid 24
Equipped with the cap bore 25 penetrated for piston rod 15, there is the sealing edge 26 towards 12 protrusion of plunger shaft, sealing on piston seal lid 24
Side 26 is distributed in the periphery of cap bore 25.
It further describes in detail, the front end of thimble cylinder 7 is provided with retaining ring 27, at thimble cylinder 7 and 27 opposite position of retaining ring
With locking screw 28.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although pedestal 1, tank shell 2, thimble case 3, connection pedestal 4, thimble room 5, push pin device is used more herein
6, thimble cylinder 7, top 8, guiding device 9, partition 10, installation cavity 11, plunger shaft 12, thimble piston 13, piston head 14, piston rod
15, tailstock rear cover 16, upper port 17, lower port 18, gas straight way 19, gas bend 20, exhaust duct 21, guide pad 22, guide groove 23,
The terms such as piston seal lid 24, cap bore 25, sealing edge 26, retaining ring 27, locking screw 28, but be not precluded and use other terms
A possibility that.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；They are explained
It is all contrary to the spirit of the present invention at any additional limitation.
Claims (6)
1. a kind of machine tool centre device, including pedestal (1) and tank shell (2), the tank shell (2) include thimble case (3)
And it is set to the connection pedestal (4) of tank shell (2) bottom end, which is characterized in that the top of the thimble case (3) is provided with thimble
Room (5), the thimble room (5) is interior to be provided with push pin device (6), and the push pin device (6) includes thimble cylinder (7) and top
Sharp (8) are provided with guiding device (9) on the thimble cylinder (7), have partition (10) in thimble cylinder (7), the partition
(10) mutually independent installation cavity (11) and plunger shaft (12) will be divided into inside thimble cylinder (7), the installation cavity (11) is used for
Install stationary center (8), be provided with thimble piston (13) in the plunger shaft (12), the thimble piston (13) include with
Thimble cylinder (7) inner wall piston head (14) and piston rod (15) in sealing contact, the piston rod (15) one end and piston head
(14) be fixedly connected with, the other end is connected with tailstock rear cover (16), be provided on the tailstock rear cover (16) port (17) with
Lower port (18), gas straight way (19) and the control of the thimble piston (13) being internally provided with for controlling thimble cylinder (7) Forward
The gas bend (20) that thimble cylinder (7) processed moves back, the gas straight way (19) are connected with upper port (17), the gas bend
(20) it is connected with lower port (18).
2. a kind of machine tool centre device according to claim 1, which is characterized in that the gas straight way (19) is living along thimble
The length direction distribution of (13) is filled in, and gas straight way (19) front end extends through piston head (14), the front side chamber with plunger shaft (12)
Room is connected.
3. a kind of machine tool centre device according to claim 1, which is characterized in that the gas bend (20) is living along thimble
The length direction distribution of (13) is filled in, and is provided with exhaust duct (21) in the junction of piston head (14) and piston rod (15), it is described
Exhaust duct (21) be mutually perpendicular to gas bend (20).
4. a kind of machine tool centre device according to claim 1, which is characterized in that the guiding device (9) includes leading
To block (22) and for the guide groove (23) for the sliding of guide pad (22) left and right, the guide pad (22) is fixed on thimble case
(3) on, the guide groove (23) is set in the outer end face of thimble cylinder (7), and along the length direction of thimble cylinder (7) point
Cloth.
5. a kind of machine tool centre device according to claim 1, which is characterized in that the tail end of the thimble cylinder (7) is solid
It is connected with piston seal lid (24), offers the cap bore penetrated for piston rod (15) at the center of the piston seal lid (24)
(25), there is the sealing edge (26) towards plunger shaft (12) protrusion, the sealing edge (26) on the piston seal lid (24)
It is distributed in the periphery of cap bore (25).
6. a kind of machine tool centre device according to claim 1, which is characterized in that the front end of the thimble cylinder (7) is arranged
Have retaining ring (27), there are locking screw (28) at the thimble cylinder (7) and retaining ring (27) opposite position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820620198.7U CN208276188U (en) | 2018-04-27 | 2018-04-27 | A kind of machine tool centre device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820620198.7U CN208276188U (en) | 2018-04-27 | 2018-04-27 | A kind of machine tool centre device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208276188U true CN208276188U (en) | 2018-12-25 |
Family
ID=64751011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820620198.7U Expired - Fee Related CN208276188U (en) | 2018-04-27 | 2018-04-27 | A kind of machine tool centre device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208276188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846878A (en) * | 2020-12-31 | 2021-05-28 | 宿州学院 | Accurate efficient lathe main shaft hole positioner |
| CN114180401A (en) * | 2021-12-14 | 2022-03-15 | 合肥神马科技集团有限公司 | Bobbin holder chuck locking device |
-
2018
- 2018-04-27 CN CN201820620198.7U patent/CN208276188U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846878A (en) * | 2020-12-31 | 2021-05-28 | 宿州学院 | Accurate efficient lathe main shaft hole positioner |
| CN114180401A (en) * | 2021-12-14 | 2022-03-15 | 合肥神马科技集团有限公司 | Bobbin holder chuck locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |