CN220146954U - Anti-blocking device for air hole of vacuum base - Google Patents
Anti-blocking device for air hole of vacuum base Download PDFInfo
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- CN220146954U CN220146954U CN202321560453.0U CN202321560453U CN220146954U CN 220146954 U CN220146954 U CN 220146954U CN 202321560453 U CN202321560453 U CN 202321560453U CN 220146954 U CN220146954 U CN 220146954U
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- Prior art keywords
- vacuum
- air hole
- air holes
- blocking device
- blocks
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 33
- 239000000428 dust Substances 0.000 abstract description 17
- 238000001179 sorption measurement Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Abstract
The utility model discloses an anti-blocking device for air holes of a vacuum base, which comprises a bottom plate, wherein a vacuum cavity is formed in the bottom plate, a plurality of air holes communicated with the vacuum cavity are formed in the surface of the bottom plate, vacuum pumps are connected to two sides of the bottom plate, mounting grooves are symmetrically formed in the side walls of the air holes, baffle plates are slidably arranged in the two mounting grooves through first telescopic springs, arc-shaped grooves are formed in the adjacent surfaces of the two baffle plates, a push rod is slidably arranged in the vacuum cavity through an elastic component, one end of the push rod penetrates through the two arc-shaped grooves, and a transmission component which is formed in the air holes and drives the two baffle plates to be far away from each other is arranged in the air holes. According to the utility model, through the mutual matching of the baffle plates, the first telescopic springs, the ejector rods and the transmission assembly, when the aluminum alloy is not placed on the vacuum base, the two baffle plates block the air holes, so that dust in the air is prevented from entering the air holes, the dust is prevented from accumulating in the air holes, and the adsorption force of the vacuum base on the aluminum alloy is prevented from being influenced.
Description
Technical Field
The utility model relates to the technical field of printing, in particular to an anti-blocking device for an air hole of a vacuum base.
Background
The aluminum alloy is one of light metal materials, which is prepared by adding a certain amount of other alloying elements based on aluminum, and the aluminum alloy needs to be printed in the production process, so that the aluminum alloy is particularly important for fixing the aluminum alloy in the printing process.
Document CN205631672U provides a printer vacuum base comprising a hollow support base, a PCB printing base plate and a fixed magnet … …, the bottom of which is connected to the rails of the printer.
The vacuum base can better play a fixing role on the aluminum alloy, however, dust can be accumulated in the air holes for adsorbing the aluminum alloy after the vacuum base is used for a long time, and when a large amount of dust is accumulated in the air holes, the adsorption force of the vacuum base on the aluminum alloy can be seriously influenced, so that the fixing role of the vacuum base on the aluminum alloy is reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art that dust is accumulated in a large amount in air holes, so that the adsorption force of a vacuum base on aluminum alloy is seriously influenced, the fixing effect of the vacuum base on the aluminum alloy is reduced, and the air hole anti-blocking device of the vacuum base is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the vacuum base air hole anti-blocking device comprises a bottom plate, wherein a vacuum cavity is formed in the bottom plate, a plurality of air holes communicated with the vacuum cavity are formed in the surface of the bottom plate, and vacuum pumps are connected to two sides of the bottom plate;
the side wall symmetry of gas pocket has seted up the mounting groove, two all have baffle through first telescopic spring slidable mounting in the mounting groove, two the arc wall has all been seted up to the adjacent one side of baffle, have the ejector pin through elastic component slidable mounting in the vacuum chamber, two arc grooves are passed to the one end of ejector pin, be equipped with the drive assembly that the ejector pin drove two baffles and keep away from each other in the gas pocket.
Preferably, the elastic component comprises a U-shaped frame fixedly arranged on the inner wall of the vacuum cavity, a fixed block fixedly sleeved on the ejector rod and a second telescopic spring sleeved on the ejector rod, a through hole is formed in the surface of the U-shaped frame, the ejector rod is slidably arranged in the through hole, and two ends of the second telescopic spring are fixedly connected with the fixed block and the U-shaped frame respectively.
Preferably, the inner wall of the air hole is symmetrically provided with a moving groove communicated with the mounting groove, the transmission assembly comprises two L-shaped supporting rods which are respectively and fixedly arranged on the lower surfaces of the two baffle plates, two baffle blocks which are respectively and fixedly arranged at one ends of the two supporting rods, and two trapezoid blocks which are symmetrically and fixedly arranged on the ejector rods, the two supporting rods are slidably inserted into the two moving grooves, the longitudinal sections of the two baffle blocks are trapezoid, and the trapezoid blocks are in sliding contact with the baffle blocks.
Preferably, a plurality of rolling grooves are formed in the surface of the stop block, rolling columns are embedded in the rolling grooves in a rolling mode, and the rolling columns are in rolling contact with the trapezoid blocks.
Preferably, the air hole is internally provided with a rotating block through the rotation of the supporting frame, the surface of the rotating block is symmetrically and fixedly provided with a cross rod, one end of each cross rod is fixedly provided with a scraping block, the side surfaces of the scraping blocks are in sliding contact with the surface of the baffle plate and the inner wall of the air hole, the surface of the ejector rod is locally provided with threads, and the threads of the rotating block are sleeved on the ejector rod.
Preferably, a contact block is fixedly arranged at one end of the ejector rod, and the contact block is made of rubber.
The utility model has the beneficial effects that: through the mutually supporting of baffle, first expansion spring, ejector pin and drive assembly, when not placing aluminum alloy on the vacuum base, two baffles block up the gas pocket, and then prevent that dust from entering into in the air pocket, avoid the dust accumulation in the gas pocket, influence the vacuum base to aluminum alloy's adsorption affinity.
Drawings
FIG. 1 is a schematic perspective view of an anti-blocking device for an air hole of a vacuum base;
fig. 2 is a schematic bottom perspective view of the inside of an air hole in the vacuum base air hole anti-blocking device according to the present utility model;
FIG. 3 is a schematic view of a three-dimensional cross-section of an air hole in an air hole anti-blocking device of a vacuum base;
FIG. 4 is an enlarged view of the structure of FIG. 1 at A;
fig. 5 is an enlarged view of the structure at B in fig. 3.
In the figure: 1 bottom plate, 2 vacuum pump, 3 first expansion spring, 4 baffle, 5 ejector pins, 6U-shaped frame, 7 fixed block, 8 second expansion spring, 9 branch, 10 dog, 11 trapezoidal piece, 12 rolling column, 13 rotating block, 14 horizontal pole, 15 scraping block, 16 touch block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, an anti-blocking device for air holes of a vacuum base comprises a base plate 1, wherein a vacuum cavity is formed in the base plate 1, a plurality of air holes communicated with the vacuum cavity are formed in the surface of the base plate 1, vacuum pumps 2 are connected to two sides of the base plate 1, air in the vacuum cavity is pumped through the vacuum pumps 2, the air in the vacuum cavity is changed into a negative pressure state, and then aluminum alloy is adsorbed on the vacuum base through the air holes.
The mounting groove has been seted up to the lateral wall symmetry of gas pocket, baffle 4 has all been seted up through first telescopic spring 3 slidable mounting in two mounting grooves, arc wall has all been seted up to two baffle 4 adjacent one sides, there is ejector pin 5 through elastic component slidable mounting in the vacuum chamber, two arc wall are passed to the one end of ejector pin 5, be equipped with the drive assembly that ejector pin 5 drove two baffle 4 and keep away from each other in the gas pocket, elastic component includes U-shaped frame 6 of fixed mounting on the vacuum chamber inner wall, fixed block 7 and the second telescopic spring 8,U shape frame 6 surface of cover on ejector pin 5 have been seted up the through-hole, ejector pin 5 slidable mounting is in the through-hole, the both ends of second telescopic spring 8 are respectively with fixed block 7 and U-shaped frame 6 fixed connection, the recess that is linked together with the mounting groove has been seted up to the gas pocket inner wall symmetry, drive assembly includes two L-shaped branches 9 of fixed mounting on two baffle 4 lower surfaces respectively, two dog 10 and two trapezoidal pieces 11 of symmetry fixed mounting on ejector pin 5 of one end of two branches 9 respectively, two perpendicular ladder pieces 9 are inserted in the through-hole, two perpendicular cross-section 10 are two trapezoidal pieces of sliding contact.
When the aluminum alloy is not placed on the vacuum base, under the action of the elastic force of the first telescopic spring 3, the two baffles 4 are in contact with each other, so that the air holes are blocked, dust in the air is effectively prevented from entering the air holes, dust accumulation in the air holes is avoided, and the adsorption force of the vacuum base on the aluminum alloy is influenced.
When the aluminum alloy is placed on the bottom plate 1, the aluminum alloy is contacted with the plurality of ejector rods 5, the ejector rods 5 are driven to vertically move downwards under the gravity of the aluminum alloy, then the ejector rods 5 are used for driving the fixed blocks 7 to move towards the U-shaped frame 6, the second telescopic springs 8 are compressed, the ejector rods 5 can drive the two trapezoid blocks 11 to vertically move downwards in the moving process, as the trapezoid blocks 11 are contacted with the stop blocks 10, under the condition that inclined planes are mutually extruded, the two trapezoid blocks 11 can respectively drive the two stop blocks 10 to be separated from each other, then the two support rods 9 are driven to be separated from each other, finally the two baffle plates 4 are driven to be separated from each other through the two support rods 9, air holes are opened, air in the vacuum cavity is evacuated through the vacuum pump 2, and then the aluminum alloy is adsorbed on the bottom plate 1.
The surface of dog 10 has seted up a plurality of antifriction slots, and the equal roll of a plurality of antifriction slots is inlayed and is equipped with rolling post 12, and a plurality of rolling posts 12 all take place rolling contact with trapezoidal piece 11, and when trapezoidal piece 11 and dog 10 take place the relative slip, trapezoidal piece 11 can take place relative rotation with rolling post 12, can reduce the frictional force between trapezoidal piece 11 and the dog 10 through rolling post 12.
The inside of the air hole is rotationally provided with the rotating block 13 through the supporting frame, the surface of the rotating block 13 is symmetrically and fixedly provided with the cross bars 14, one ends of the two cross bars 14 are fixedly provided with the scraping blocks 15, the side surfaces of the two scraping blocks 15 are in sliding contact with the surface of the baffle plate 4 and the inner wall of the air hole, the surface of the ejector rod 5 is partially provided with threads, the threads of the rotating block 13 are sleeved on the ejector rod 5, a small amount of dust can be accumulated on the surface of the two baffle plates 4 for blocking the air hole, and when the baffle plates 4 are separated from each other, the accumulated dust on the surface of the baffle plates 4 can be accumulated on the inner wall of the air hole.
When ejector rod 5 vertically moves down, under the effect of screw thread, ejector rod 5 can drive rotation piece 13 rotation at the in-process that vertically moves down, then rotation piece 13 can drive two scraping pieces 15 through two horizontal poles 14 and rotate on gas pocket inner wall and baffle 4, at the in-process of rotation, can clear up the dust of adsorbing on the gas pocket inner wall.
One end of the ejector rod 5 is fixedly provided with a contact block 16, the contact block 16 is made of rubber, and when the aluminum alloy is in contact with the ejector rod 5, the contact block 16 can play a role in protecting the aluminum alloy and prevent the aluminum alloy from being damaged.
According to the utility model, when the aluminum alloy is not placed on the vacuum base, under the action of the elastic force of the first telescopic spring 3, the two baffles 4 are contacted with each other, so that the air hole is blocked, dust in the air is effectively prevented from entering the air hole, the dust is prevented from accumulating in the air hole, the adsorption force of the vacuum base on the aluminum alloy is prevented from being influenced, and when the aluminum alloy is placed, the ejector rod 5 drives the two baffles 4 to be separated from each other under the action of the transmission component, so that the air hole is opened.
Overall, for technical problems: dust is accumulated in a large amount in the air holes, so that the adsorption force of the vacuum base on the aluminum alloy can be seriously influenced, and the fixing effect of the vacuum base on the aluminum alloy is reduced; adopts the technical proposal that: through the mutual matching of the baffle plates 4, the first telescopic springs 3, the ejector rods 5 and the transmission assembly, when no aluminum alloy is placed on the vacuum base, the two baffle plates 4 block the air holes; the implementation process of the technical scheme is as follows: when the aluminum alloy is not placed on the vacuum base, under the action of the elastic force of the first telescopic spring 3, the two baffles 4 are contacted with each other, so that the air hole is blocked, and when the aluminum alloy is placed on the vacuum base, the ejector rod 5 drives the two baffles 4 to be separated from each other through the action of the transmission assembly, so that the air hole is opened; therefore, the technical problem can be necessarily solved, and the realized technical effects are as follows: the dust in the air is effectively prevented from entering the air hole, and the dust is prevented from accumulating in the air hole, so that the adsorption force of the vacuum base to the aluminum alloy is prevented from being influenced.
Claims (6)
1. The utility model provides a vacuum base gas pocket anti-blocking device, includes bottom plate (1), its characterized in that, vacuum cavity has been seted up to bottom plate (1) inside, bottom plate (1) surface has been seted up a plurality of gas pockets that are linked together with vacuum cavity, bottom plate (1) both sides are connected with vacuum pump (2);
mounting grooves are symmetrically formed in the side walls of the air holes, the two mounting grooves are internally provided with baffle plates (4) through first telescopic springs (3) in a sliding mode, the two adjacent faces of the baffle plates (4) are respectively provided with an arc-shaped groove, ejector rods (5) are slidably mounted in the vacuum cavity through elastic components, one ends of the ejector rods (5) penetrate through the two arc-shaped grooves, and the air holes are internally provided with driving components which are used for driving the two baffle plates (4) to be far away from each other.
2. The vacuum base air hole anti-blocking device according to claim 1, wherein the elastic component comprises a U-shaped frame (6) fixedly installed on the inner wall of the vacuum cavity, a fixed block (7) fixedly sleeved on the ejector rod (5) and a second telescopic spring (8) sleeved on the ejector rod (5), a through hole is formed in the surface of the U-shaped frame (6), the ejector rod (5) is slidably installed in the through hole, and two ends of the second telescopic spring (8) are fixedly connected with the fixed block (7) and the U-shaped frame (6) respectively.
3. The vacuum base air hole anti-blocking device according to claim 1, wherein the inner wall of the air hole is symmetrically provided with a moving groove communicated with the mounting groove, the transmission assembly comprises two L-shaped supporting rods (9) fixedly mounted on the lower surfaces of the two baffles (4) respectively, two baffle blocks (10) fixedly mounted on one ends of the two supporting rods (9) respectively and two trapezoid blocks (11) symmetrically and fixedly mounted on the ejector rod (5), the two supporting rods (9) are slidably inserted into the two moving grooves, the longitudinal sections of the two baffle blocks (10) are trapezoid, and the trapezoid blocks (11) are in sliding contact with the baffle blocks (10).
4. A vacuum base air hole anti-blocking device according to claim 3, characterized in that the surface of the stop block (10) is provided with a plurality of rolling grooves, a plurality of rolling columns (12) are embedded in the rolling grooves in a rolling manner, and the rolling columns (12) are in rolling contact with the trapezoid blocks (11).
5. The vacuum base air hole anti-blocking device according to claim 1, wherein a rotating block (13) is rotatably installed in the air hole through a supporting frame, cross bars (14) are symmetrically and fixedly installed on the surfaces of the rotating block (13), scraping blocks (15) are fixedly installed at one ends of the two cross bars (14), the side surfaces of the two scraping blocks (15) are in sliding contact with the surface of a baffle plate (4) and the inner wall of an air hole, threads are locally formed on the surface of a push rod (5), and the threads of the rotating block (13) are sleeved on the push rod (5).
6. The vacuum base air hole anti-blocking device according to claim 1, wherein a contact block (16) is fixedly arranged at one end of the ejector rod (5), and the contact block (16) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560453.0U CN220146954U (en) | 2023-06-19 | 2023-06-19 | Anti-blocking device for air hole of vacuum base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560453.0U CN220146954U (en) | 2023-06-19 | 2023-06-19 | Anti-blocking device for air hole of vacuum base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220146954U true CN220146954U (en) | 2023-12-08 |
Family
ID=89021497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321560453.0U Active CN220146954U (en) | 2023-06-19 | 2023-06-19 | Anti-blocking device for air hole of vacuum base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220146954U (en) |
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2023
- 2023-06-19 CN CN202321560453.0U patent/CN220146954U/en active Active
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