CN218488183U - Vacuum chuck structure for positioning workpiece - Google Patents
Vacuum chuck structure for positioning workpiece Download PDFInfo
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- CN218488183U CN218488183U CN202222297197.2U CN202222297197U CN218488183U CN 218488183 U CN218488183 U CN 218488183U CN 202222297197 U CN202222297197 U CN 202222297197U CN 218488183 U CN218488183 U CN 218488183U
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Abstract
The utility model belongs to the technical field of machining equipment technique and specifically relates to a vacuum chuck structure for positioning workpiece, including positioning platform, still include a plurality of locating plate, positioning platform has negative pressure chamber, negative pressure suction hole is connected with the equipment of breathing in, the shoulder hole of a plurality of and negative pressure chamber intercommunication, every is seted up to the positioning platform top surface the valve body spare of a normally closed is all installed to the shoulder hole, valve body spare shutoff the shoulder hole, the locating plate bottom surface is equipped with and is used for opening valve body spare and negative pressure adsorb the absorption subassembly on positioning platform. This device fixed mode is simple for the efficiency of whole machine tooling reduces the workman and operates the degree of difficulty.
Description
Technical Field
The utility model relates to a machining equipment technical field especially relates to a vacuum chuck structure for positioning workpiece.
Background
Machining needs to fix a position the work piece, then just can carry out accurate processing, and traditional positioner is generally fixed the locating plate on the processing platform of machining through the bolt, and this kind of locate mode is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect that the positioning mode is more troublesome in the mechanical processing in the prior art, and providing a vacuum chuck structure for positioning a workpiece.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a vacuum chuck structure for fixing a position work piece, includes positioning platform, still includes a plurality of locating plate, positioning platform has negative pressure chamber, negative pressure and inhales the hole, the negative pressure is inhaled the joggle and is connected with the equipment of breathing in, the shoulder hole of a plurality of and negative pressure chamber intercommunication, every are seted up to the positioning platform top surface the valve body spare of a normally closed is all installed to the shoulder hole, valve body spare shutoff the shoulder hole, the locating plate bottom surface is equipped with and is used for opening valve body spare and negative pressure adsorb the adsorption component on positioning platform.
The air suction device is a negative pressure air suction pump.
The air suction device comprises a high-pressure air blowing pump and a negative pressure generator, the air inlet end of the negative pressure generator is connected with the air outlet of the high-pressure air blowing pump, and the negative pressure end of the negative pressure generator is connected with a negative pressure suction hole.
Valve body spare is including inlaying the housing plate of establishing in the shoulder hole, the inside cavity of housing plate, upper plate have first through-hole, lower plate have the second through-hole, sliding connection has the slider that two symmetries set up in the housing plate, two slider butt joint department is located between first through-hole, the second through-hole, be equipped with thrust spring between one side that butt joint department was kept away from to the slider and the housing plate inner wall, two seal during the slider butt joint the shoulder hole, two open when the slider deviates from the shoulder hole.
The adsorption component comprises a sucker part fixedly installed on the bottom surface of the positioning plate, a vent pipe is arranged on the inner side of the sucker part on the bottom surface of the positioning plate, the vent pipe is provided with an airflow channel, the upper part of the vent pipe is provided with an air suction hole used for communicating a cavity between the sucker part and the positioning platform, and the vent pipe penetrates through two sliding blocks and is communicated with the negative pressure cavity during positioning.
And a chamfer is arranged at the upper side of one end, close to the butt joint, of the sliding block.
The utility model provides a vacuum chuck structure for fixing a position work piece, beneficial effect lies in: this device's locating platform sets up the negative pressure chamber, the hole is inhaled to the negative pressure, make the shoulder hole be negative pressure state through the equipment of breathing in, valve body spare through the normally closed state is with the shoulder hole shutoff, when needing the location, install the locating plate on locating platform, utilize the adsorption component of locating plate bottom to open valve body spare and negative pressure to adsorb on locating platform, need not carry out the fixed step through traditional screwed connection's mode to the locating plate, this device fixed mode is simple, accelerate the efficiency of whole machine tooling, reduce the workman and operate the degree of difficulty.
Drawings
FIG. 1 is a schematic view of the fitting structure of the positioning platform, the valve body and the positioning plate of the present invention;
FIG. 2 is a schematic view of the valve body of the present invention;
FIG. 3 is a schematic view of the internal structure of the valve body of the present invention;
FIG. 4 is a schematic structural view of the positioning platform of the present invention;
FIG. 5 is a schematic structural view of the adsorption assembly of the present invention;
fig. 6 is the utility model discloses a stack assembly structure schematic diagram to individual locating plate.
In the figure: the air suction valve comprises an air pipe 1, a positioning plate 2, an air flow channel 3, an air suction hole 4, a suction disc part 5, a thrust spring 6, a sliding block 7, a first through hole 8, a chamfer 9, a second through hole 10, a shell plate 11, a stepped hole 12, a positioning platform 13, a negative pressure suction hole 14, a negative pressure cavity 15, a compression bolt 16 and a valve body part 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-6, a vacuum chuck structure for positioning workpiece, including positioning platform 13, still include a plurality of locating plate 2, positioning platform 13 has negative pressure chamber 15, negative pressure inhales hole 14 and is connected with the equipment of breathing in, a plurality of shoulder hole 12 with negative pressure chamber 15 intercommunication is seted up to positioning platform 13 top surface, a normally closed valve body spare 17 is all installed to every shoulder hole 12, valve body spare 17 shutoff shoulder hole 12, 2 bottom surfaces of locating plate are equipped with and are used for opening valve body spare 17 and the adsorption component of negative pressure absorption on positioning platform 13.
This device's locating platform 13 sets up negative pressure chamber 15, hole 14 is inhaled to the negative pressure, make shoulder hole 12 be the negative pressure state through the equipment of breathing in, valve body spare 17 through the normally closed state blocks off shoulder hole 12, when needing the location, install the locating plate on locating platform 13, the adsorption component who utilizes the locating plate bottom opens valve body spare 17 and negative pressure adsorbs on locating platform 13, need not carry out the fixed step to the locating plate through traditional screwed connection's mode, this device fixed mode is simple, accelerate the efficiency of whole machine tooling, reduce the workman and operate the degree of difficulty.
In one embodiment, the suction device is a negative pressure suction pump, and the negative pressure suction pump may be burnt due to long-time negative pressure operation.
As another embodiment, the air suction device comprises a high-pressure air blowing pump and a negative pressure generator, the air inlet end of the negative pressure generator is connected with the air outlet of the high-pressure air blowing pump, the negative pressure end of the negative pressure generator is connected with the negative pressure suction hole 14, and the negative pressure adsorption effect is realized by adopting a mode of combining the high-pressure air blowing pump and the negative pressure generator, so that the condition that the air pump is suppressed to be bad is avoided, and the service life of the device is prolonged.
As an embodiment of the valve body member, referring to fig. 1-4, the valve body member 17 includes a shell plate 11 embedded in a stepped hole 12, the shell plate 11 is hollow, the upper plate portion has a first through hole 8, the lower plate portion has a second through hole 10, two symmetrically arranged sliders 7 are slidably connected in the shell plate 11, a butt joint of the two sliders 7 is located between the first through hole 8 and the second through hole 10, a thrust spring 6 is arranged between one side of the slider 7 away from the butt joint and the inner wall of the shell plate 11, the stepped hole 12 is closed when the two sliders 7 are in butt joint, the stepped hole 12 is opened when the two sliders 7 are deviated, after the two sliders 7 are in butt joint, the first through hole 8 and the second through hole 10 are blocked by the sliders, the stepped hole 12 is blocked, when the sliders 7 deviate, an air flow gap will be generated between the two sliders 7, and the first through hole 8 and the second through hole 10 are communicated;
further, referring to fig. 1, the adsorption component includes a suction cup portion 5 fixedly mounted on the bottom surface of the positioning plate 2, the suction cup portion 5 mainly ensures the sealing between the bottom of the positioning plate 2 and the positioning platform 13 or the shell plate 13, and provides a sealed cavity for negative pressure adsorption, a vent pipe 1 is arranged on the bottom surface of the positioning plate 2 and located inside the suction cup portion 5, the vent pipe 1 has an air flow channel 3, the upper portion of the vent pipe 1 is provided with an air suction hole 4 for communicating the cavity between the suction cup portion 5 and the positioning platform 13, during positioning, the vent pipe 1 passes through the two sliders 7 and is communicated with the negative pressure cavity 15, when positioning is needed, the vent pipe 1 is inserted between the two sliders 7, the bottom end of the vent pipe 1 passes through the two sliders, so that the air flow channel 3 is communicated with the negative pressure cavity 15, and air between the suction cup portion 5 and the shell plate 11 is pumped away to form negative pressure, so that the relative position of the positioning plate 2 and the positioning platform 13 is fixed, thereby realizing the fixing function of the positioning plate, in the present device, the suction cup portion 5 can only cover a partial area of the shell plate 11, at this time, and the positioning plate is fixedly mounted on the positioning platform 13; the sucker 5 may completely cover the whole shell 11, and the positioning plate 2 is directly sucked and fixed on the positioning platform 13 during suction.
The breather pipe 1 of this device can be the drum structure, and this kind of structure is favorable to adjusting the installation angle of locating plate, also can be as shown in figure 5 the rectangle structure, and the breather pipe of this kind of structure can be more even to the wearing and tearing face of slider, is favorable to prolonging the life of the sealed face of slider counterpoint department.
In order to facilitate the insertion and the push away of the vent pipe 1, a chamfer 9 is arranged at the upper side of one end of the sliding block 7 close to the butt joint, and further, the bottom end of the vent pipe 1 is contracted.
The shape of the positioning plate 2 of the device can be designed in advance according to parts to be processed as required, the positioning plates 2 with different shapes are selected for processing different parts, and meanwhile, corresponding sealing rubber pads can be arranged on each joint surface of each part in order to improve the negative pressure adsorption effect of the whole device.
As a further embodiment, referring to fig. 6, the positioning plates 2 of the device are also provided with corresponding negative pressure cavities 15 and stepped holes 12, then a valve body member 17 is also installed in the stepped hole 12 of each positioning plate 2, the air flow channel 3 of the vent pipe 1 at the bottom of the positioning plate 2 is communicated with the negative pressure cavity 15 on the positioning plate 2, so that a plurality of positioning plates are overlapped and adsorbed together by the valve body member 17 and the adsorption assembly, and the device can be combined and used more flexibly;
furthermore, a pressing bolt 16 can be screwed on the positioning plate 2, so that the workpiece can be further locked by the pressing bolt after the positioning plate is fixed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a vacuum chuck structure for fixing a position work piece, includes positioning platform (13), its characterized in that still includes a plurality of locating plate (2), positioning platform (13) have negative pressure chamber (15), negative pressure and inhale hole (14), negative pressure is inhaled hole (14) and is connected with the suction equipment, stepped hole (12) of a plurality of and negative pressure chamber (15) intercommunication are seted up to positioning platform (13) top surface, every valve body spare (17) of a normal close are all installed to stepped hole (12), valve body spare (17) shutoff stepped hole (12), locating plate (2) bottom surface is equipped with and is used for opening valve body spare (17) and negative pressure adsorb the adsorption component on positioning platform (13).
2. A vacuum chuck construction for positioning a workpiece according to claim 1 wherein said suction device is a negative pressure suction pump.
3. The vacuum chuck structure for positioning the workpiece as claimed in claim 1, wherein the air suction device comprises a high pressure air blowing pump, a negative pressure generator, the air inlet end of the negative pressure generator is connected with the air outlet of the high pressure air blowing pump, and the negative pressure end of the negative pressure generator is connected with the negative pressure suction hole (14).
4. The vacuum chuck structure for positioning a workpiece according to claim 1, wherein the valve body member (17) comprises a shell plate (11) embedded in the stepped hole (12), the shell plate (11) is hollow, the upper plate part is provided with a first through hole (8), the lower plate part is provided with a second through hole (10), the shell plate (11) is connected with two symmetrically arranged sliding blocks (7) in a sliding manner, the joint of the two sliding blocks (7) is positioned between the first through hole (8) and the second through hole (10), a thrust spring (6) is arranged between one side of the sliding block (7) far away from the joint and the inner wall of the shell plate (11), the two sliding blocks (7) close the stepped hole (12) when in butt joint, and the two sliding blocks (7) open the stepped hole (12) when deviating.
5. The vacuum chuck structure for positioning a workpiece according to claim 4, wherein the suction assembly comprises a chuck portion (5) fixedly mounted on the bottom surface of the positioning plate (2), a vent pipe (1) is disposed on the bottom surface of the positioning plate (2) and located on the inner side of the chuck portion (5), the vent pipe (1) has an air flow channel (3), the upper portion of the vent pipe (1) is provided with an air suction hole (4) for communicating a cavity between the chuck portion (5) and the positioning platform (13), and the vent pipe (1) passes through the two sliders (7) to communicate with the negative pressure cavity (15) during positioning.
6. A vacuum chuck structure for positioning a workpiece according to claim 5, characterized in that the upper side of the end of the slider (7) near the butt joint is provided with a chamfer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222297197.2U CN218488183U (en) | 2022-08-30 | 2022-08-30 | Vacuum chuck structure for positioning workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222297197.2U CN218488183U (en) | 2022-08-30 | 2022-08-30 | Vacuum chuck structure for positioning workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218488183U true CN218488183U (en) | 2023-02-17 |
Family
ID=85189157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222297197.2U Active CN218488183U (en) | 2022-08-30 | 2022-08-30 | Vacuum chuck structure for positioning workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218488183U (en) |
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2022
- 2022-08-30 CN CN202222297197.2U patent/CN218488183U/en active Active
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