CN107855649A - A kind of vacuum tables and the laser marking machine using vacuum tables - Google Patents
A kind of vacuum tables and the laser marking machine using vacuum tables Download PDFInfo
- Publication number
- CN107855649A CN107855649A CN201710966072.5A CN201710966072A CN107855649A CN 107855649 A CN107855649 A CN 107855649A CN 201710966072 A CN201710966072 A CN 201710966072A CN 107855649 A CN107855649 A CN 107855649A
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- Prior art keywords
- vacuum
- protection device
- tables
- sucker
- negative pressure
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Classifications
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/361—Removing material for deburring or mechanical trimming
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention is a kind of vacuum tables and laser marking machine; the vacuum tables are including negative pressure power source, at least one vacuum protection device being connected with negative pressure power source, the integrated air board being connected by air slot with each vacuum protection device and are brought into close contact the working plate being arranged on integrated air board upper surface, and the sucker hole for being provided with and matching with corresponding air slot is grouped on working plate.The laser marking machine includes above-mentioned vacuum tables.The present invention reduces the wasting phenomenon using rim charge during pressing plate clamping, production efficiency is substantially increased, reduces the acquisition cost of workpiece material, substantially increases the mark precision of workpiece.
Description
Technical field
The present invention relates to machining technology field, more particularly to a kind of vacuum tables and swashing using vacuum tables
Light marking machine.
Background technology
Laser marking be using high-energy-density laser to workpiece carry out local irradiation, make workpiece surface material vaporize or
Color change occurs for person, so as to leave a kind of marking method of permanent marker.Beaten carrying out laser to nameplate, label class workpiece
Before mark, in order to ensure requirement on machining accuracy, it is necessary first to carry out Set and Positioning to workpiece.
In the prior art, the laser footprint domain of laser marking machine is all smaller, for the workpiece that mark region is larger, when
, it is necessary to manually shift workpiece after laser machines to current operating region, and new mark region after shifting
Laser machined again.This processing mode every time can only on workpiece a region carry out mark processing, it is upper once
, can only be by the way that workpiece manually be moved into next region to be processed after mark machines, and Set and Positioning is re-started, to enter
Capable mark process next time.
The problem of for needing manually to carry out positioning and clamping during above-mentioned laser marking, some enterprises are adopted as existing sharp
The method that light marking machine is equipped with X-Y mobile platforms, realizes automatic shift of the workpiece relative to laser head.When laser marking machine is complete
Into after the mark processing in workpiece current region, pass through X-Y mobile platforms, you can make workpiece automatic forward feed pre-set
Distance, laser marking machine is carried out mark processing again in new working region.It is this to be equipped with X-Y mobile platforms
Laser marking machine, although meeting the automatic marking demand of workpiece to a certain extent, due to X-Y mobile platforms pair
The Set and Positioning of workpiece is realized by the pressing plate on platform, and this installation way needs to reserve rim charge on workpiece, not only
A large amount of wastes of workpiece material are caused, and also needs to subsequent handling and processing is removed to above-mentioned rim charge, add processing
Process, greatly reduce production efficiency.Further, since laser marking process can make workpiece heated and thermal deformation phenomenon occurs, because
And when carrying out Set and Positioning to some larger-size sheet parts, using pressing plate can cause in workpiece by the way of clamping
Between play drum, cause print mark lose shape, so as to reduce the precision of mark.
The content of the invention
Laser marking machine it is an object of the invention to provide a kind of vacuum tables and using vacuum tables, to solve
Existing laser marking machine Set and Positioning mode wastes workpiece material and the lower technical problem of processing efficiency.
In view of the above mentioned problem of prior art, according to one side disclosed by the invention, the present invention uses following technology
Scheme：
A kind of vacuum tables, including：
Negative pressure power source 10, for providing negative pressure power for the vacuum tables.
At least one vacuum protection device 40, at least one vacuum protection device 40 include and the phase of negative pressure power source 10
The one-way throttle valve 401 of connection, at least one vacuum protection device 40 are connected by tracheae with the negative pressure power source 10.
Cylinder manifold 30, vacuum protection device 40 are arranged on cylinder manifold 30, and cylinder manifold is provided with and the quantity of vacuum protection device 40
Equal hole of confluxing, and a main stomata, in cylinder manifold, each mutual UNICOM in hole of confluxing, and with main stomata UNICOM, negative pressure
Power source 10 is connected to the main stomata of cylinder manifold 30 by tracheae 20.
Integrated air board 50, the upper surface of the integrated air board 50 are provided with and the quantity phase of vacuum protection device 40
The air slot 501 matched somebody with somebody, each air slot 501 are connected with the corresponding vacuum protection device 40.
Working plate 70, the working plate 70 is fitted tightly on the upper surface of the integrated air board 50, in the work
At least one sucker hole 701 is provided with plate 70, the group match of sucker hole 701 is arranged on the corresponding air slot 501
Top, for adsorbing workpiece 80.
Characterized in that, each vacuum protection device 40 also includes a filter 402 being connected with the air slot 501,
For filtering the dust in gas circuit.
Characterized in that, sucker hole 701 is the combination of sucker counterbore and positioning spiro pit, sucker counterbore is arranged on working plate
Surface, the area of section of counterbore are more than the section of screwed hole, and positioning spiro pit is arranged in sucker counterbore, passed through with sucker counterbore
It is logical.
Characterized in that, negative pressure power source 10 is vavuum pump, or the combination of vacuum generator and air compressor machine.
A kind of laser marking machine using the vacuum tables, including above-mentioned vacuum tables, in addition to frame 110,
The X-Y mobile platforms 90 being arranged in the frame 110 and the laser head 100 being arranged in the frame 110.
The frame 110 is used to fix X-Y mobile platforms 90 and laser head 100.
The vacuum tables are fixedly installed on the top of X-Y mobile platforms 90.
The laser head 100 is arranged on the top of the vacuum tables, and vacuum is driven by the X-Y mobile platforms 90
The motion of workbench in the x, y direction, the workpiece 80 above vacuum tables is located at immediately below laser head 100, complete laser
Mark.
Beneficial effect：
Because each sucker hole is respectively provided with independent gas circuit, and each independent gas circuit has vacuum sealing function, when sucker hole
When top is without workpiece, the work of vacuum protection device, the gas circuit in this air slot is closed, is fundamentally solved due to multiple suctions
The public gas circuit of disk hole and caused by leakage problem, make the vacuum tables need not cover all sucker holes i.e. can be achieved to each
The mark demand of class shape, size and workpiece with hole, auxiliary seal is carried out without sealing joint strip and seal cover board, is greatly shortened
Machining period.Also, the vacuum tables carry out Set and Positioning using negative pressure of vacuum principle to workpiece, make the to be processed of workpiece
Surface is fully exposed in machining area, reduces the wasting phenomenon using rim charge during pressing plate clamping, thus without subsequent handling
Processing is removed to rim charge, substantially increases production efficiency.
Further, since the vacuum tables replace steam hose using air slot is opened up on integrated air board so that
The structure of vacuum tables is compacter, greatlys save the working space of vacuum tables.
By the way that X-Y mobile platforms and laser head are fixedly installed in frame, vacuum tables are made to be fixedly installed on above-mentioned X-Y
On mobile platform, workpiece is positioned using the negative-pressure adsorption principle of vacuum tables, enables the work surface of workpiece complete
In machining area, reduce the wasting phenomenon using rim charge during pressing plate clamping, reduce the acquisition cost of workpiece material.
Also, this mode that Set and Positioning is carried out using negative-pressure adsorption mode so that the major part of workpiece is all fixed on working plate
On, the thermal deformation because workpiece is heated and occurs and warping phenomenon are alleviated, thus substantially increase the mark precision of workpiece.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment vacuum tables；
Fig. 2 is the operation principle schematic diagram of the present embodiment vacuum tables；
Fig. 3 is the mark machining sketch chart of the present embodiment workpiece；
Fig. 4 is the structural representation of the present embodiment laser marking machine.
Reference：
10- negative pressure power sources；20- tracheaes；30- cylinder manifolds；
40- vacuum protection devices；50- integrated air boards；70- working plates；
80- workpiece；90-X-Y mobile platforms；100- laser heads；
110- frames；120- marks area；401- one-way throttle valves；
402- filters；501- air slots；701- suckers hole.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
As shown in Figure 1-Figure 3, in the present embodiment, vacuum protection device includes filtration members and one-way throttle valve, wherein, unidirectional section
Stream valve includes throttling element and check valve connected in parallel again.Specifically, throttling element is in parallel with check valve and is connected with filtration members, it is single
Cut-off direction to valve is consistent with the flow direction of vacuum pneumatic.The cross gas circuit of throttling element and check valve constitutes NOT gate logic control
Gas circuit.
The operation principle of vacuum protection device is：When sucker is emptied, vacuum pneumatic is formed in loop, check valve is by vacuum gas
The effect spring of stream is compressed, and gas circuit is ended, and the flow that throttling element then limits vacuum pneumatic by throttle orifice is keeping single
To valve cut-off state while be in detection state.When there is workpiece on sucker, sucker is capped, the branch air path of the sucker
Middle airless, choke valve lose vacuum pneumatic, can not continue to keep vacuum, and check valve recovers to turn under the action of the spring,
Gas circuit connection between sucker and vacuum generator, forms absorption vacuum, workpiece is sucked.The size of throttling element throttle orifice with
The back-moving spring of check valve matches to form pressure differential, for controlling pressure when check valve is opened.
As shown in Fig. 2 in the present embodiment, array is provided with sucker hole on working plate, and sucker hole is sucker counterbore and positioning spiral shell
The combination of pit, sucker counterbore are arranged on work plate surface, and the area of section of counterbore is more than the section of screwed hole, the work(in sucker hole
Can be 1. work plate surface formed cavity formed sucker structure, adsorb workpiece；2. area of section can expand adsorption area increasing
Strong suction.
Positioning spiro pit is arranged in sucker counterbore, is penetrated with sucker counterbore.Its effect is：1. gas circuit acts on；2. positioning
Screwed hole can be used for installation Working piece positioning device and other frock clamps.Extended workbench sphere of action, for thin
Plate parts directly adsorb clamping, can then install universal fixturing on platform for parts such as slab, housings and carry out clamping.
Integrated air board is arranged on below working plate, and is fixedly connected with working plate.Integrated air board is provided with and sucker
The air slot that hole number matches, matching way can be correspond can also the corresponding air slot in some sucker holes, lead
Hu Bu UNICOMs are with intersecting between air drain.Air slot is corresponding with below each sucker hole.Air slot starting point is sucker hole, eventually
Stop is all disposed within integrated air board edge.The destination county of each air slot is provided with air guide through hole.
The other end of vacuum protection device is arranged on cylinder manifold.Cylinder manifold is provided with the remittance equal with vacuum protection device quantity
Discharge orifice, and a main stomata.In cylinder manifold, each mutual UNICOM in hole of confluxing, and with main stomata UNICOM.
Negative pressure power source is connected to the main stomata of cylinder manifold by flexible pipe.Negative pressure power source can be vavuum pump, or vacuum
The combination of generator and air compressor machine.
As shown in figure 4, the present embodiment additionally provides a kind of laser marking machine, including above-mentioned vacuum tables, in addition to machine
Frame, the X-Y mobile platforms being arranged in frame and the laser head being arranged in frame.Wherein, vacuum tables are fixedly installed on
On X-Y mobile platforms, laser head is arranged on above vacuum tables.Frame 110 is used to fix X-Y mobile platforms 90 and laser head
100.The motion of vacuum tables in the x, y direction is driven by the X-Y mobile platforms 90, makes the work above vacuum tables
Part 80 is located at immediately below laser head 100, completes laser marking.
Claims (5)
1. a kind of vacuum tables, including：
Negative pressure power source 10, for providing negative pressure power for the vacuum tables；
At least one vacuum protection device 40, at least one vacuum protection device 40 include being connected with the negative pressure power source 10
One-way throttle valve 401, at least one vacuum protection device 40 is connected by tracheae with the negative pressure power source 10；
Cylinder manifold 30, vacuum protection device 40 are arranged on cylinder manifold 30, and cylinder manifold is provided with equal with the quantity of vacuum protection device 40
Hole of confluxing, an and main stomata, in cylinder manifold, each mutual UNICOM in hole of confluxing, and with main stomata UNICOM, negative pressure power
Source 10 is connected to the main stomata of cylinder manifold 30 by tracheae 20；
Integrated air board 50, the upper surface of the integrated air board 50 are provided with what is matched with the quantity of vacuum protection device 40
Air slot 501, each air slot 501 are connected with the corresponding vacuum protection device 40；
Working plate 70, the working plate 70 are fitted tightly on the upper surface of the integrated air board 50, in the working plate 70
On be provided with least one sucker hole 701, the group match of sucker hole 701 be arranged on corresponding to the air slot 501 it is upper
Side, for adsorbing workpiece 80.
A kind of 2. vacuum tables as claimed in claim 1, it is characterised in that each vacuum protection device 40 also include one and
The connected filter 402 of the air slot 501, for filtering the dust in gas circuit.
3. a kind of vacuum tables as claimed in claim 1, it is characterised in that sucker hole 701 is sucker counterbore and positioning spiral shell
The combination of pit, sucker counterbore are arranged on work plate surface, and the area of section of counterbore is more than the section of screwed hole, positioning spiro pit
It is arranged in sucker counterbore, is penetrated with sucker counterbore.
4. a kind of vacuum tables as claimed in claim 1, it is characterised in that negative pressure power source 10 is vavuum pump, Huo Zhezhen
The combination of empty generator and air compressor machine.
5. a kind of laser marking machine using the vacuum tables as described in any one in claim 1-4, including above-mentioned vacuum
Workbench, in addition to frame 110, the X-Y mobile platforms 90 that are arranged in the frame 110 and be arranged in the frame 110
Laser head 100；
The frame 110 is used to fix X-Y mobile platforms 90 and laser head 100；
The vacuum tables are fixedly installed on the top of X-Y mobile platforms 90；
The laser head 100 is arranged on the top of the vacuum tables, and vacuum work is driven by the X-Y mobile platforms 90
The motion of platform in the x, y direction, the workpiece 80 above vacuum tables is located at immediately below laser head 100, complete laser marking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966072.5A CN107855649B (en) | 2017-10-17 | 2017-10-17 | Vacuum workbench and laser marking machine adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966072.5A CN107855649B (en) | 2017-10-17 | 2017-10-17 | Vacuum workbench and laser marking machine adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107855649A true CN107855649A (en) | 2018-03-30 |
| CN107855649B CN107855649B (en) | 2020-06-30 |
Family
ID=61696227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710966072.5A Active CN107855649B (en) | 2017-10-17 | 2017-10-17 | Vacuum workbench and laser marking machine adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855649B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117399805A (en) * | 2023-10-26 | 2024-01-16 | 深圳市欣万和达电子有限公司 | LED backlight dotting device for uniform detection of light source |
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|---|---|---|---|---|
| CN117399805A (en) * | 2023-10-26 | 2024-01-16 | 深圳市欣万和达电子有限公司 | LED backlight dotting device for uniform detection of light source |
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| Publication number | Publication date |
|---|---|
| CN107855649B (en) | 2020-06-30 |
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