CN106425081A - Friction welding machine and grating scale structure assembly thereof - Google Patents
Friction welding machine and grating scale structure assembly thereof Download PDFInfo
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- CN106425081A CN106425081A CN201610771079.7A CN201610771079A CN106425081A CN 106425081 A CN106425081 A CN 106425081A CN 201610771079 A CN201610771079 A CN 201610771079A CN 106425081 A CN106425081 A CN 106425081A
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- Prior art keywords
- grating
- servo axis
- grating scale
- friction welding
- welding machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/123—Controlling or monitoring the welding process
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Transform (AREA)
Abstract
The invention relates to a grating scale structure assembly of a friction welding machine. The grating scale structure assembly comprises a follow-up shaft seat body, a follow-up shaft, a scaleplate grating and a reading head. The follow-up shaft seat body is provided with a mounting cavity. The follow-up shaft is arranged on the follow-up shaft seat body and can move front and back in the axial direction. The scaleplate grating is located in the mounting cavity and fixedly arranged on the follow-up shaft. The reading head is located in the mounting cavity and fixedly arranged on the follow-up shaft seat body. According to the grating scale structure assembly, a protection shell is arranged on the outer portion of the scaleplate grating and the outer portion of the reading head in a sleeving manner, and therefore the scaleplate grating and the reading head are prevented from being directly exposed to the oil and gas environment, oil and gas are prevented from adhering to the scaleplate grating and the reading head, and the measurement precision of a grating scale is guaranteed. The invention further discloses the friction welding machine with the grating scale structure assembly.
Description
Technical field
The present invention relates to friction welding (FW) production technical field, total particularly to a kind of friction welding machine and its grating scale structure
Become.
Background technology
Friction welding (FW) is the solid welding method realizing welding, in pressure and constant or incremental pressure and moment of torsion
Under effect, produce frictional heat and plastic deformation heat using the relative motion between welding contact end face and its near zone so as to
Near zone temperature rises towards but the temperature range of generally below fusing point, and the resistance of deformation of material reduces, and plasticity improves, boundary
The oxide-film in face crushes, and in the presence of upsetting force, produces plastic deformation with material and flows, expanded by the molecule at interface
Dissipate and recrystallize and realize the solid welding method welding.
Before welding, in pair of workpieces to be welded, one is held on rolling clamp, referred to as rotational workpieces, and another is held on
Movable clamp, referred to as travelling workpiece, during welding, rotational workpieces high-speed rotation under Motor drive, travelling workpiece is in axial masterpiece
With under progressively draw close to rotational workpieces, both sides absorption surface after compressing, the temperature at frictional interface rises therewith, thus realizing
Welding.
During piece-holder, need the axial movement of rotation folder is detected, move in the axial direction to rotation folder at present
Move generally to realize using grating scale when being detected, grating scale is made up of scale grating and read head two parts.Existing rub
Wipe in weldering, the oil gas that the main shaft of high-speed rotation produces often sticks on grating scale, and this can lead to the measurement data of grating scale
Deviation occurs, or even also results in weldment scrapping.
Therefore, how to avoid oil gas to stick on grating scale, be current ability with the certainty of measurement ensureing grating scale
The technical problem of field technique personnel's urgent need to resolve.
Content of the invention
An object of the present invention is to provide a kind of grating scale structural assembly of friction welding machine, so as to being prevented effectively from
Oil gas sticks on grating scale, thus ensureing the certainty of measurement of grating scale.
Another object of the present invention also resides in a kind of friction welding machine with above-mentioned grating scale structural assembly of offer.
For solving above-mentioned technical problem, the grating scale structural assembly that the present invention provides includes：
Servo axis pedestal, described servo axis pedestal is provided with installation cavity；
It is arranged on described servo axis pedestal, and the servo axis that can move forward and backward in the axial direction；
In described installation cavity body, and it is fixedly installed on the scale grating on described servo axis；
In described installation cavity body, and it is fixedly installed on the read head on described servo axis pedestal.
Preferably, described servo axis are provided with connecting rod, and described connecting rod is connected with the rotation folder that can move forward and backward.
Preferably, also include being arranged on the straight-line guidance key of described servo axis bottom, described servo axis pedestal is straight with described
The corresponding position of line feather key offers the straight keyways being adapted to described straight-line guidance key.
Preferably, described scale grating and described servo axis and described read head are bolt with described servo axis pedestal
Connect.
Preferably, described connecting rod and described servo axis and described connecting rod are bolt connection with described rotation folder.
Friction welding machine disclosed in this invention is provided with the as above grating scale structural assembly disclosed in any one.
By can be seen that in grating scale structural assembly provided by the present invention in above technical scheme, including servo-actuated axle bed
It is provided with installation cavity, servo axis are arranged on servo-actuated on body, servo axis, scale grating and read head, wherein servo axis pedestal
On axle bed body, and can be moved forward and backward in the axial direction, scale grating is located in installation cavity body, and is fixed on servo axis
On, read head also is located in installation cavity body, and is fixedly installed on servo axis pedestal.
As can be seen from the above technical solutions, disclosed in this invention grating scale structural assembly in, in servo axis pedestal
On be provided with installation cavity, and scale grating and read head have all been arranged in installation cavity body.This just in scale grating and
The outer cup of read head has set one layer of protective housing, thus avoid scale grating and read head be directly exposed to oil and gas environments it
Under, it is to avoid on scale grating and read head, adhesion oil gas is it is ensured that the certainty of measurement of grating scale.
Friction welding machine disclosed in this invention is due to having above-mentioned grating scale structural assembly, thus this friction welding machine is simultaneous
Have all advantages of above-mentioned grating scale structural assembly, herein this is no longer repeated.
Brief description
The schematic cross-section of the grating scale structural assembly of the friction welding machine that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view in Fig. 1.
Wherein, 1 is servo axis pedestal, and 2 is to install cavity, and 3 is servo axis, and 4 is straight-line guidance key, and 5 is connecting rod, and 6 are
Rotation folder, 7 is scale grating, and 8 is read head.
Specific embodiment
One of core of the present invention is to provide a kind of grating scale structural assembly of friction welding machine, so as to being prevented effectively from
Oil gas sticks on grating scale, thus ensureing the certainty of measurement of grating scale.
Another core of the present invention is to provide a kind of friction welding machine with above-mentioned grating scale structural assembly.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Please also refer to Fig. 1 and Fig. 2, the grating scale structure of the friction welding machine that Fig. 1 is provided by the embodiment of the present invention is total
The schematic cross-section becoming, Fig. 2 is the A-A cross-sectional view in Fig. 1.
The grating scale structural assembly of the friction welding machine that the embodiment of the present invention is provided, including servo axis pedestal 1, servo axis
3rd, scale grating 7 and read head 8, is wherein provided with installation cavity 2 on servo axis pedestal 1, as shown in Figures 1 and 2, install
Cavity 2 can form a comparatively airtight space, servo axis 3 actually follow rotation folder 6 moving forward and backward and from
Move forward and backward in the axial direction of body, it is arranged on servo axis pedestal 1, scale grating 7 is located to be installed in cavity 2, and scale light
Grid 7 are arranged on servo axis 3, follow servo axis 3 and move axially, and read head 8 is located to be installed in cavity 2, and fixation sets
Put on servo axis pedestal 1.
As can be seen from the above embodiments, in grating scale structural assembly, installation cavity 2 is provided with servo axis pedestal 1,
And scale grating 7 and read head 8 have all been arranged in installation cavity 2.This is just in the outside of scale grating 7 and read head 8
Cover has set one layer of protective housing, thus avoiding scale grating 7 and read head 8 to be directly exposed under oil and gas environments, it is to avoid scale
On grating 7 and read head 8, it is ensured that the certainty of measurement of grating scale, this kind of design simultaneously also assures that servo axis pedestal 1 to adhesion oil gas
Structural strength.
As shown in Figures 1 and 2, servo axis 3 are provided with connecting rod 5, by this connecting rod 5 can achieve servo axis 3 with
Rotation folder 6 is connected.Need to follow rotation and press from both sides to carry out moving forward and backward in axial direction in view of servo axis 3, the present embodiment is also in servo axis 3
Bottom is provided with straight-line guidance key 4, such as Fig. 1, accordingly, opens up in servo axis pedestal 1 position corresponding with straight-line guidance key 4
The straight keyways being adapted to straight-line guidance key 4.
Servo axis 3 smooth slip in the axial direction can be realized by the cooperation of straight-line guidance key 4 and straight keyways, simultaneously
Servo axis 3 can also be prevented effectively from axial dipole field occurs in sliding process.
In order to further ensure the certainty of measurement of grating scale, the both sides of servo axis 3 and servo axis pedestal 1 in the present embodiment
Seal cooperation for arc surface, as shown in Figure 2, the form of arc surface sealing cooperation includes multiple, such as setting labyrinth seal groove,
Or the mode such as setting sealing ring all can achieve the sealing of arc surface at the cooperation position of arc surface.Servo axis 3 and servo axis
After the cooperation position of pedestal 1 is sealed, the whole sealing installing cavity 2 improves further, positioned at the scale installed in cavity 2
Grating 7 and read head 8 will further be protected.
In view of the convenience of dismounting, scale grating 7 and servo axis 3, read head 8 and servo axis pedestal 1, connecting rod 5 with
Servo axis 3 and connecting rod 5 are dismantled and assembled connection with rotation folder 6, and the mode of dismantled and assembled connection includes multiple, such as clamp, spiral shell
Tether and connect, in the present embodiment, removable connected mode is not especially limited, as long as ensure that interconnective two
Part easy disassembly.
In addition, also disclose a kind of friction welding machine in the present invention, this friction welding machine is provided with above-mentioned any one
Grating scale structural assembly disclosed in embodiment.
Due to employing above-mentioned grating scale structural assembly, thus this friction welding machine should to have above-mentioned grating scale structure concurrently total
Become corresponding technological merit, herein this is no longer repeated.
Above friction welding machine provided by the present invention and its grating scale structural assembly are described in detail.Herein
Apply specific case the principle of the present invention and embodiment are set forth, the explanation of above example is only intended to help
Understand the method for the present invention and its core concept.It should be pointed out that for those skilled in the art, do not taking off
On the premise of the principle of the invention, the present invention can also be carried out with some improvement and modify, these improve and modification also falls into this
In invention scope of the claims.
Claims (6)
1. a kind of grating scale structural assembly of friction welding machine is it is characterised in that include：
Servo axis pedestal (1), described servo axis pedestal (1) is provided with installation cavity (2)；
It is arranged on described servo axis pedestal (1), and the servo axis (3) that can move forward and backward in the axial direction；
In described installation cavity (2), and it is fixedly installed on the scale grating (7) on described servo axis (3)；
In described installation cavity (2), and it is fixedly installed on the read head (8) on described servo axis pedestal (1).
2. grating scale structural assembly according to claim 1 is it is characterised in that be provided with connection on described servo axis (3)
Bar (5), and described connecting rod (5) with can move forward and backward rotation folder (6) be connected.
3. grating scale structural assembly according to claim 2 is it is characterised in that also include being arranged on described servo axis (3)
The straight-line guidance key (4) of bottom, described servo axis pedestal (1) position corresponding with described straight-line guidance key (4) offers and institute
State the straight keyways that straight-line guidance key (4) is adapted to.
4. grating scale structural assembly according to claim 1 is it is characterised in that described scale grating (7) is servo-actuated with described
Axle (3) and described read head (8) are bolt connection with described servo axis pedestal (1).
5. grating scale structural assembly according to claim 2 is it is characterised in that described connecting rod (5) and described servo axis
(3) and described connecting rod (5) with described rotation folder (6) be bolt connection.
6. a kind of friction welding machine is it is characterised in that described friction welding machine is arranged just like institute in claim 1-5 any one
The grating scale structural assembly stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771079.7A CN106425081A (en) | 2016-08-30 | 2016-08-30 | Friction welding machine and grating scale structure assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771079.7A CN106425081A (en) | 2016-08-30 | 2016-08-30 | Friction welding machine and grating scale structure assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106425081A true CN106425081A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771079.7A Pending CN106425081A (en) | 2016-08-30 | 2016-08-30 | Friction welding machine and grating scale structure assembly thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591068A (en) * | 1968-11-08 | 1971-07-06 | Caterpillar Traction Co | Speed programmed friction welder |
| CN102658421A (en) * | 2012-05-18 | 2012-09-12 | 长春数控机床有限公司 | Double-head friction welding machine and control method thereof |
| CN102817910A (en) * | 2012-08-08 | 2012-12-12 | 浙江工业大学 | Inertia force influence-free air floatation follow-up device |
| CN102817913A (en) * | 2012-08-08 | 2012-12-12 | 浙江工业大学 | Air-floatation follow-up device capable of eliminating inertia force influence |
| US20140036386A1 (en) * | 2012-07-18 | 2014-02-06 | International Business Machines Corporation | Timing-based servo for determining lateral head velocity |
| CN203738491U (en) * | 2014-03-26 | 2014-07-30 | 陕西科技大学 | Linear grating ruler protective device |
| CN105414741A (en) * | 2016-01-08 | 2016-03-23 | 重庆德蚨乐机械制造有限公司 | Friction welding floating zero system and axial and radial welding control method thereof |
-
2016
- 2016-08-30 CN CN201610771079.7A patent/CN106425081A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591068A (en) * | 1968-11-08 | 1971-07-06 | Caterpillar Traction Co | Speed programmed friction welder |
| CN102658421A (en) * | 2012-05-18 | 2012-09-12 | 长春数控机床有限公司 | Double-head friction welding machine and control method thereof |
| US20140036386A1 (en) * | 2012-07-18 | 2014-02-06 | International Business Machines Corporation | Timing-based servo for determining lateral head velocity |
| CN102817910A (en) * | 2012-08-08 | 2012-12-12 | 浙江工业大学 | Inertia force influence-free air floatation follow-up device |
| CN102817913A (en) * | 2012-08-08 | 2012-12-12 | 浙江工业大学 | Air-floatation follow-up device capable of eliminating inertia force influence |
| CN203738491U (en) * | 2014-03-26 | 2014-07-30 | 陕西科技大学 | Linear grating ruler protective device |
| CN105414741A (en) * | 2016-01-08 | 2016-03-23 | 重庆德蚨乐机械制造有限公司 | Friction welding floating zero system and axial and radial welding control method thereof |
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Application publication date: 20170222 |