CN220516556U - Vacuum adsorption device suitable for MLCC multi-size product - Google Patents
Vacuum adsorption device suitable for MLCC multi-size product Download PDFInfo
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- CN220516556U CN220516556U CN202321743130.5U CN202321743130U CN220516556U CN 220516556 U CN220516556 U CN 220516556U CN 202321743130 U CN202321743130 U CN 202321743130U CN 220516556 U CN220516556 U CN 220516556U
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 109
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000036316 preload Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a vacuum adsorption device suitable for MLCC multi-size products, comprising: the bottom end of the cylinder body is provided with two blind holes with different depths; the adsorption platform is fixed at the top of the cylinder body and is provided with an inner ring of adsorption holes and an outer ring of adsorption holes, and the adsorption holes are communicated with the top surface of the adsorption platform and the cylinder cavity of the cylinder body; the hollow shaft is movably arranged in the cylinder body, the top end of the hollow shaft is fixedly provided with a sealing gasket for sealing an adsorption hole positioned on the outer ring, the periphery of the middle section of the hollow shaft is provided with a collar, and the bottom end of the hollow shaft is connected with an air pipe joint; the limiting ring is fixedly sleeved on the periphery of the bottom of the hollow shaft, and a limiting column which can be inserted into the blind hole is arranged on the upper end surface of the limiting ring; and the spring is sleeved outside the hollow shaft and is preloaded between the collar and the lower end of the cylinder body. The vacuum air pipe is inserted on the air pipe joint, the number of adsorption holes communicated with the vacuum air passage is controlled in a mode of pulling down and rotating the limiting ring, the vacuum adsorption of MLCC multi-size products is realized, and the production efficiency of equipment is improved.
Description
Technical Field
The utility model relates to the technical field of automatic test equipment, in particular to a vacuum adsorption device suitable for MLCC multi-size products.
Background
In the MLCC product parameter testing apparatus, a robot or a mechanical module is used to place the product at a fixed station for parameter testing. In order to ensure that the position of the product at the test station is relatively stable, a vacuum suction device is often used to fix the position of the product.
The existing vacuum adsorption device can only adsorb products with one size in vacuum due to the limitation of the vacuum aperture, and when testing products with different sizes, the vacuum adsorption device with the corresponding aperture needs to be replaced, so that the testing efficiency is low.
Disclosure of Invention
Accordingly, the present utility model provides a vacuum adsorption apparatus suitable for MLCC multi-sized products to solve one or more of the above-mentioned problems.
In order to achieve the above object, the present utility model provides the following technical solutions:
a vacuum adsorption apparatus suitable for MLCC multi-sized products, comprising:
the bottom end of the cylinder is provided with two blind holes with different depths;
the adsorption platform is fixed at the top of the cylinder body and is provided with an inner ring of adsorption holes and an outer ring of adsorption holes, and the adsorption holes are communicated with the top surface of the adsorption platform and the cylinder cavity of the cylinder body;
the hollow shaft is movably arranged in the cylinder body, a sealing gasket for sealing the outer ring adsorption hole is fixed at the top end of the hollow shaft, a collar is arranged on the periphery of the middle section of the hollow shaft, and an air pipe joint is connected at the bottom end of the hollow shaft;
the limiting ring is fixedly sleeved on the periphery of the bottom of the hollow shaft, and a limiting column which can be inserted into the blind hole is arranged on the upper end face of the limiting ring;
and the spring is sleeved outside the hollow shaft, and the spring is preloaded between the collar and the lower end of the cylinder body.
Further, the vacuum adsorption device further comprises an upper shaft sleeve and a lower shaft sleeve, the upper shaft sleeve is detachably fixed on the upper portion in the cylinder body, the lower shaft sleeve is detachably fixed on the lower portion in the cylinder body, the hollow shaft is movably arranged in the two shaft sleeves in a penetrating mode, and the spring is pre-pressed between the shaft collar and the lower shaft sleeve.
Further, a threaded through hole is formed in the circumferential side of the cylinder body and corresponds to the two shaft sleeves, and a set screw is screwed in each threaded through hole to fix the corresponding shaft sleeve.
Further, the lower end of the hollow shaft is a diameter-reduced shaft section, the limiting ring is provided with a through hole matched with the diameter-reduced shaft section, the diameter-reduced shaft section is inserted into the through hole, the periphery of the limiting ring is provided with a threaded through hole communicated with the through hole, and a set screw is screwed in the threaded through hole to fix the limiting ring and the hollow shaft.
Further, the vacuum adsorption device further comprises a handle, one end of the handle is provided with external threads, a threaded blind hole is further formed in the periphery of the limiting ring, and the handle is screwed and fixed with the threaded blind hole.
Further, the bottom of the diameter-reducing shaft section is provided with an internal thread, the air pipe joint is provided with an external thread, and the air pipe joint is screwed and fixed at the bottom of the diameter-reducing shaft section.
Further, the cylinder body is a hollow cylinder, the adsorption platform is a cuboid block, and the cylinder body and the adsorption platform are integrally formed.
Further, two countersunk head screw holes are formed in the upper side face of the adsorption platform, and the two countersunk head screw holes are symmetrical relative to the center of the adsorption platform and are close to two short sides of the adsorption platform respectively.
Further, the inner ring adsorption holes are distributed in a straight line, the outer ring adsorption holes are distributed in a circular shape, and the outer ring adsorption holes are surrounded outside the inner ring adsorption holes.
Further, the depth of one blind hole is not smaller than the height of the limit post, and the depth of the other blind hole is smaller than the height of the limit post.
The utility model has the following advantages:
when the limit column is inserted into the deeper blind hole, the sealing gasket at the top end of the hollow shaft is propped against the lower part of the outer ring adsorption hole under the action of the spring to block the outer ring adsorption hole, and at the moment, vacuum adsorption can only be carried out through the inner ring adsorption hole, so that products with smaller sizes such as British system 0402, 0603, 0805 and the like can be adsorbed; the limiting ring is pulled down, so that the limiting column is inserted into the shallower blind hole, and the limiting column is propped against the bottom of the shallower blind hole, so that the sealing gasket cannot block the outer ring adsorption hole, at the moment, vacuum adsorption can be carried out through the inner and outer ring adsorption holes, and products with larger sizes such as English 1210, 1812, 2220 and the like can be adsorbed; the vacuum adsorption of the MLCC multi-size product is realized as a whole.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.
FIG. 1 is an exploded view of a vacuum adsorption apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a vacuum adsorption apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of an adsorption platform and a cylinder of a vacuum adsorption device according to an embodiment of the present utility model;
fig. 4 is an exploded cross-sectional view (omitting a spring) of a vacuum adsorption apparatus according to an embodiment of the present utility model;
fig. 5 is a cross-sectional view (omitting a spring) of a vacuum adsorption apparatus according to an embodiment of the present utility model;
fig. 6 is an enlarged view of a in fig. 5.
In the figure: the device comprises a 1-adsorption platform, a 11-inner ring adsorption hole, a 12-outer ring adsorption hole, a 13-countersunk screw hole, a 14-groove, a 2-cylinder, a 21-first blind hole, a 22-second blind hole, a 23-first threaded through hole, a 24-second threaded through hole, a 3-upper shaft sleeve, a 4-lower shaft sleeve, a 5-hollow shaft, a 51-shaft collar, a 52-reduced diameter shaft section, a 6-sealing gasket, a 7-spring, an 8-limiting ring, a 81-limiting post, a 82-third threaded through hole, a 83-threaded blind hole, a 9-handle and a 10-set screw.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.
As shown in fig. 1 to 6, the present embodiment provides a vacuum adsorption apparatus suitable for MLCC multi-sized products, comprising an adsorption platform 1, a cylinder 2, an upper shaft sleeve 3, a lower shaft sleeve 4, a hollow shaft 5, a sealing gasket 6, an air pipe joint (not shown), a spring 7, a limiting ring 8, a handle 9 and a plurality of set screws 10.
The adsorption platform 1 is a cuboid block, two circles of adsorption holes penetrating through the upper surface and the lower surface are formed in the middle of the adsorption platform, the adsorption holes 11 of the inner circle are distributed in a straight line, for example, 3 adsorption holes are distributed in a straight line, the adsorption holes 12 of the outer circle are distributed in a round shape, for example, 4 adsorption holes are uniformly distributed on the same virtual ring. The axis of the middle adsorption hole of the 3 inner ring adsorption holes 11 is generally positioned at the center of the adsorption platform 1, and the center of the virtual ring of the outer ring adsorption holes 12 is also positioned at the center of the adsorption platform 1. The adsorption platform 1 is provided with two countersunk screw holes 13 (through holes), and the two countersunk screw holes 13 are symmetrical relative to the center of the adsorption platform 1 and are respectively close to two short sides of the adsorption platform 1. Optionally, a groove 14 (generally cylindrical, also referred to as a counter bore) is disposed in the center of the lower side of the adsorption platform 1, and the diameter of the groove 14 is larger than the maximum diameter of the outer ring virtual ring, so that the hole depth of the adsorption hole can be reduced after the groove 14 is disposed, and drilling is facilitated.
The cylinder body 2 is a hollow cylinder with open upper and lower ends, the cavity in the cylinder body is called a cylinder cavity, and the cylinder body is fixed at the lower side of the adsorption platform 1, and can be integrally formed, or can be assembled after two parts are formed (such as welding, gluing, bolting, threaded connection and the like); after the cylinder body 2 and the adsorption platform 1 are connected into a whole, each adsorption hole is communicated with the cylinder cavity. The bottom of barrel 2 is equipped with two blind holes of different degree of depth, and the darker is first blind hole 21, and shallower is second blind hole 22, through inserting spacing post 81 of spacing ring 8 into second blind hole 22, can avoid sealing washer 6 at hollow shaft 5 top to plug up outer lane adsorption hole 12. The side of the cylinder 2 is provided with at least two threaded through holes, one upper and one lower, the upper is a first threaded through hole 23 and the lower is a second threaded through hole 24, in which two threaded through holes a set screw 10 is screwed for fixing the bushing in the cylinder 2. Correspondingly, the upper shaft sleeve 3 and the lower shaft sleeve 4 are hollow cylinders with two open ends, the upper shaft sleeve 3 is movably sleeved in the cylinder cavity, the lower shaft sleeve 4 is positioned at the lower part of the cylinder cavity, the upper shaft sleeve 3 can be fixed by screwing the set screw 10 of the first threaded through hole 23, and the lower shaft sleeve 4 can be fixed by screwing the set screw 10 of the second threaded through hole 24.
The hollow shaft 5 is a shaft with through holes communicated with two ends, and the through holes serve as a vacuumizing channel. The top end of the hollow shaft 5 is fixedly provided with a sealing gasket 6 for blocking the outer ring adsorption hole 12, the sealing gasket 6 is an annular gasket made of rubber, the diameter of a hole in the middle of the sealing gasket is larger than the diameter of the largest virtual circle where the inner ring adsorption hole 11 is positioned, the inner ring adsorption hole 11 is ensured not to be blocked all the time, and the maximum diameter of the solid part of the sealing gasket 6 is not smaller than the maximum diameter of the virtual circle where the outer ring adsorption hole 12 is positioned, so that the outer ring adsorption hole 12 can be effectively blocked when the sealing gasket 6 abuts against the bottom of the adsorption platform 1. The middle peripheral side of the hollow shaft 5 is provided with a convex collar 51 for abutting against the upper end of the spring 7. The lower section of the hollow shaft 5 is a reduced diameter shaft section 52 (referred to as a reduced diameter shaft section) for insertion into the central through hole of the limit ring 8; the bottom end of the reduced diameter shaft section 52 is provided with an internal thread (actually a thread machined at a position near the bottom end of the through hole of the hollow shaft 5, and thus the evacuation is not affected), the air tube fitting is provided with an external thread, and the air tube fitting is screwed and fixed to the bottom of the reduced diameter shaft section 52. The hollow shaft 5 is movably arranged in the cylinder body 2, the shaft section above the shaft collar 51 is slidably inserted in the upper shaft sleeve 3, and the shaft section below the shaft collar 51 and above the diameter-reduced shaft section 52 is slidably inserted in the lower shaft sleeve 4. The spring 7 is sleeved outside the hollow shaft 5 and precompressed between the collar 51 and the lower shaft sleeve 4, so that the hollow shaft 5 has upward power.
The limiting ring 8 is disc-shaped, and is provided with a through hole in the middle for being matched with the diameter-reduced shaft section 52 of the hollow shaft 5. The upper end face of the limiting ring 8 is provided with a limiting column 81 which can be inserted into the blind hole, the height of the limiting column 81 is equal to the depth of the first blind hole 21 or smaller than the depth of the first blind hole 21, but the height of the limiting column 81 is larger than the depth of the second blind hole 22, when the limiting column 81 is inserted into the first blind hole 21, under the action of the spring 7, the hollow shaft 5 moves upwards, and the sealing gasket 6 at the top of the hollow shaft 5 can block the outer ring adsorption hole 12. The periphery of the limit ring 8 is provided with a threaded through hole (called a third threaded through hole 82) and a threaded blind hole 83; the third threaded through hole 82 is communicated with the central through hole of the limiting ring 8, and after the diameter-reduced shaft section 52 is inserted into the central through hole, the set screw 10 is screwed to fix the hollow shaft 5 and the limiting ring 8; one end of the handle 9 is provided with external threads which can be screwed with the threaded blind hole 83 of the limit ring 8, and the limit ring 8 and the rotary limit ring 8 can be pulled down more conveniently through the handle 9, so that the blind hole for inserting the limit post 81 is replaced.
The vacuum air pipe is inserted on the air pipe joint, and the blind hole for inserting the limit post 81 is changed in a mode of pulling down and rotating the limit ring 8, so that the sealing gasket 6 is blocked or separated from the outer ring adsorption hole 12, the number of adsorption holes communicated with the vacuum air path (the working state of the outer ring adsorption hole 12 is actually controlled) is controlled, the vacuum adsorption of MLCC multi-size products is realized, and the production efficiency of equipment is effectively improved.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (10)
1. A vacuum adsorption apparatus for MLCC multi-sized products, comprising:
the bottom end of the cylinder is provided with two blind holes with different depths;
the adsorption platform is fixed at the top of the cylinder body and is provided with an inner ring of adsorption holes and an outer ring of adsorption holes, and the adsorption holes are communicated with the top surface of the adsorption platform and the cylinder cavity of the cylinder body;
the hollow shaft is movably arranged in the cylinder, a sealing gasket for sealing the outer ring adsorption hole is fixed at the top end of the hollow shaft, and a collar is arranged on the periphery of the middle section of the hollow shaft;
the limiting ring is fixedly sleeved on the periphery of the bottom of the hollow shaft, and a limiting column which can be inserted into the blind hole is arranged on the upper end face of the limiting ring;
and the spring is sleeved outside the hollow shaft, and the spring is preloaded between the collar and the lower end of the cylinder body.
2. The vacuum adsorption apparatus of claim 1 further comprising an upper sleeve and a lower sleeve, the upper sleeve being removably secured to an upper portion of the cylinder, the lower sleeve being removably secured to a lower portion of the cylinder, the hollow shaft being movably disposed through the two sleeves, the spring preload being between the collar and the lower sleeve.
3. The vacuum adsorption device according to claim 2, wherein a threaded through hole is formed in the circumferential side of the cylinder body corresponding to the two shaft sleeves, and a set screw is screwed into each threaded through hole to fix the corresponding shaft sleeve.
4. The vacuum adsorption device according to claim 1, wherein the lower end of the hollow shaft is a reduced diameter shaft section, the limiting ring is provided with a through hole matched with the reduced diameter shaft section, the reduced diameter shaft section is inserted into the through hole, the periphery of the limiting ring is provided with a threaded through hole communicated with the through hole, and a set screw is screwed in the threaded through hole to fix the limiting ring and the hollow shaft.
5. The vacuum adsorption device of claim 4, further comprising a handle, wherein one end of the handle is provided with an external thread, and wherein the circumferential side of the stop collar is further provided with a threaded blind hole, and wherein the handle is screwed and fixed with the threaded blind hole.
6. The vacuum adsorption device of claim 4, wherein the bottom end of the reduced diameter shaft section is provided with internal threads, the air tube connector is provided with external threads, and the air tube connector is screwed and fixed at the bottom of the reduced diameter shaft section.
7. The vacuum adsorption apparatus of claim 1 wherein the cylinder is a hollow cylinder and the adsorption platform is a rectangular block, the cylinder and the adsorption platform being integrally formed.
8. The vacuum adsorption device of claim 7, wherein the upper side of the adsorption platform is provided with two countersunk screw holes, and the two countersunk screw holes are symmetrical relative to the center of the adsorption platform and are respectively close to two short sides of the adsorption platform.
9. The vacuum adsorption apparatus of claim 1, wherein the inner ring adsorption holes are linearly distributed and the outer ring adsorption holes are circularly distributed, and the outer ring adsorption holes are surrounded by the inner ring adsorption holes.
10. The vacuum adsorption device of claim 1 wherein one of the blind holes has a depth not less than the height of the spacing posts and the other of the blind holes has a depth less than the height of the spacing posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743130.5U CN220516556U (en) | 2023-07-05 | 2023-07-05 | Vacuum adsorption device suitable for MLCC multi-size product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743130.5U CN220516556U (en) | 2023-07-05 | 2023-07-05 | Vacuum adsorption device suitable for MLCC multi-size product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220516556U true CN220516556U (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321743130.5U Active CN220516556U (en) | 2023-07-05 | 2023-07-05 | Vacuum adsorption device suitable for MLCC multi-size product |
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| Country | Link |
|---|---|
| CN (1) | CN220516556U (en) |
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2023
- 2023-07-05 CN CN202321743130.5U patent/CN220516556U/en active Active
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