CN213622218U - Novel vacuum suction tool - Google Patents
Novel vacuum suction tool Download PDFInfo
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- CN213622218U CN213622218U CN202022360769.8U CN202022360769U CN213622218U CN 213622218 U CN213622218 U CN 213622218U CN 202022360769 U CN202022360769 U CN 202022360769U CN 213622218 U CN213622218 U CN 213622218U
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Abstract
The utility model discloses a novel vacuum suction tool, include: a housing having a cavity formed therein; a plurality of sucker components; the throttling device comprises throttling joints and a suction head, wherein one ends of the throttling joints are arranged at the bottom of the shell and are communicated with the cavity, and the other ends of the throttling joints are connected with the suction head; the aperture of an inner hole of the throttling joint is less than 1 mm; the vacuum generating device is arranged in the shell or externally connected outside the shell and communicated with the cavity; the vacuum generating device absorbs air in the cavity to form vacuum, pressure difference is formed between the inside and the outside of the cavity, external air enters the cavity through the sucker assembly after being pressed, and the sucker assembly generates suction force due to airflow flowing. The utility model discloses the work piece that the absorption face height difference to porous fretwork is big is specially designed, effectively reduces the vacuum and lets out leakage quantity, even the suction head not with work piece direct contact, also can absorb the work piece, ensure to have good adsorption effect to porous work piece.
Description
Technical Field
The utility model belongs to the vacuum suction tool field, concretely relates to novel vacuum suction tool.
Background
The traditional suction tool is mostly used for stacking and unstacking corrugated paper packing boxes or carrying large-sized articles or small-sized mini-workpieces; when the suction tools are used for sucking light, loose and porous workpieces with large height difference of the suction surface, such as porous sheet metal parts, metal punched sheets, PCB boards, plastic pore plates and the like, the following defects are often existed: 1. the existing large suction tool is mostly suitable for sucking large articles and is used for sucking small-volume workpieces to cause resource waste; the small suction tool has insufficient adsorption performance, and cannot suck the workpieces; 2. the air leakage amount is larger than the vacuum flow when the existing suction tool sucks a light porous workpiece, so that the grabbing effect of the existing suction tool on the porous workpiece with the height of the suction surface changed too much is poor. The suction tool in the prior art is used for solving the problem of vacuum leakage, through the arrangement of the check valve, when a single sucker component is not in contact with a workpiece, the check valve can cut off the air flow of the single sucker component, the existing vacuum suction tool is kept to have a certain vacuum degree, the problem of vacuum leakage is solved, and due to the arrangement of the check valve, the sucker components in the suction tool cannot be densely arranged, when holes of the workpiece are more, the sucker components are all closed, the workpiece is adsorbed only by the residual sucker components, the adsorption force is insufficient, and therefore effective grabbing of the porous workpiece is still difficult to achieve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel vacuum suction tool for solving the technical problem in the background technology.
The technical scheme of the utility model is that:
a novel vacuum chuck, comprising: a housing having a cavity formed therein; a plurality of sucker components; the throttling device comprises throttling joints and a suction head, wherein one ends of the throttling joints are arranged at the bottom of the shell and are communicated with the cavity, and the other ends of the throttling joints are connected with the suction head; the aperture of an inner hole of the throttling joint is less than 1 mm; the vacuum generating device is arranged in the shell or externally connected outside the shell and communicated with the cavity; the vacuum generating device absorbs air in the cavity to form a vacuum state, pressure difference is generated inside and outside the cavity, external air enters the cavity through the sucker assembly after being pressed, and the sucker assembly generates suction force due to airflow flowing.
Further preferably, the vacuum generating device is disposed in the housing, the vacuum generating device includes at least one vacuum generating tube, and two ends of the vacuum generating tube penetrate through the housing and are communicated with the cavity.
Further preferably, one end of the vacuum generating pipe is provided with a gas supply pipeline, and the other end of the vacuum generating pipe is provided with an exhaust port.
Further preferably, a protective cover is arranged on the shell, and the exhaust port is hidden under the protective cover.
Further preferably, a plurality of the vacuum generating tubes are provided, the plurality of the vacuum generating tubes are arranged in the housing in parallel with respect to the bottom of the housing, and the plurality of the vacuum generating tubes are arranged in parallel with each other.
Preferably, the plurality of sucker assemblies are densely arranged along the edge of the circle of the bottom of the shell, and the plurality of sucker assemblies at the middle position of the bottom of the shell are sparsely arranged.
Further preferably, a groove for reducing the weight of the housing is formed at a position where the suction disc assembly is not arranged at the bottom of the housing.
Further preferably, the throttling joint is tightly embedded in the bottom of the shell through a sealing plate; the shell is also provided with a detection port for detecting the vacuum degree in the shell.
Preferably, the housing is provided with a vent hole, and the vacuum generating device is externally connected to the outside of the housing through the vent hole and is communicated with the cavity.
Further preferably, the sucker components are arranged in a matrix mode, and the sucker components between adjacent rows are arranged in a staggered mode.
The utility model provides a novel vacuum suction tool, make it compare with prior art and have following advantage and positive effect:
the utility model provides a novel vacuum suction tool, the inner aperture of its throttle joint is less than 1mm, the inner aperture of throttle joint is minimum, make the air that gets into the vacuum cavity in unit interval less than the air that gets into the vacuum tube in the vacuum cavity, vacuum leakage is minimum, thus the suction head still has vacuum suction to produce when not touching the work piece surface, thus when the vacuum suction tool is absorbing the work piece that porous absorption face height difference is big, even partial sucking disc subassembly is unsettled and not directly contacts with the work piece, still has vacuum suction; the check valve is not arranged, so that the sucker assemblies in the novel vacuum sucker can be densely arranged, the effective adsorption area of the hollow workpiece is increased, and the adsorption force is increased; in conclusion, the novel vacuum suction tool has far better adsorption effect than the existing vacuum suction tool when the novel vacuum suction tool sucks the workpiece with the porous suction surface with large height difference.
Secondly, the novel vacuum suction tool provided by the utility model is specially designed for small workpieces, the structure volume is smaller, the time for forming the vacuum cavity by the shell cavity is shorter, and the response speed is faster; and the structure of the suction tool is simpler, thereby reducing the resource waste and the structure cost.
Drawings
The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of a novel vacuum suction tool in embodiment 1 of the present invention;
fig. 2 is an exploded view of the vacuum suction device according to embodiment 1 of the present invention;
fig. 3 is a schematic layout view of a suction cup assembly at the bottom of the novel vacuum suction tool in embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of the chuck assembly of the present invention;
fig. 5 is a schematic structural view of a novel vacuum chuck in embodiment 2 of the present invention;
fig. 6 is an exploded view of the structure of the vacuum suction device according to embodiment 2 of the present invention.
Description of the symbols:
1-a shell; 2-a throttle joint; 201-inner hole; 3-a suction head; 4-a vacuum generating tube; 5-a gas supply pipeline; 6-an exhaust port; 7-a protective cover; 8-a groove; 9-a vent hole; 10-sealing plate; 11-detection port.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Referring to fig. 1 to 4, the present embodiment provides a novel vacuum chuck, including: a housing 1 having a cavity formed therein; a plurality of sucker components; the device comprises a plurality of throttling joints 2 and a suction head 3, wherein one ends of the throttling joints 2 are arranged at the bottom of a shell 1 and are communicated with a cavity, and the other ends of the throttling joints 2 are connected with the suction head 3; the aperture of the inner hole 201 of the throttle joint 2 is less than 1 mm; the vacuum generating device is arranged in the shell 1 or externally connected outside the shell 1 and communicated with the cavity;
the vacuum generating device absorbs air in the cavity to enable the interior of the shell 1 to form a vacuum state, so that pressure difference is generated between the interior and the exterior of the cavity, external air enters the cavity through the sucker assembly after being pressed, and the sucker assembly generates suction force due to airflow flowing.
The utility model discloses a setting that the throttle connects for the air that gets into the vacuum cavity in the unit interval is less than the air that gets into the vacuum tube in the vacuum cavity, reduces the vacuum leakage volume that the vacuum inhaled the utensil, even guarantee to inhale that the utensil is unsettled with work piece direct contact not of part sucking disc subassembly when adsorbing the work piece that the porous absorption face height difference of fretwork is big, inhale the utensil and still have sufficient vacuum and sufficient vacuum suction, and adsorption effect is good. The novel vacuum suction tool provided by the utility model is specially designed for small workpieces, the structural size is smaller, the time for forming the vacuum cavity by the cavity of the shell is shorter, and the response speed is faster; and the structure of the suction tool is simpler, thereby reducing the resource waste and the structure cost.
In the present embodiment, referring to fig. 1 and 2, the vacuum generating device is disposed in the housing 1, and the vacuum generating device includes at least one vacuum generating tube 4, and two ends of the vacuum generating tube 4 penetrate through the housing 1 and are communicated with the cavity. In this embodiment, vacuum generator is for the vacuum generating tube based on that venturi spray tube principle designed and developed, and vacuum generating tube and casing cavity intercommunication, compressed air produce the plume effect when vacuum generating tube, drive in the air admission vacuum generating tube in the cavity to form the vacuum in the cavity, because the effect of atmospheric pressure, in the outside air passes through suction head and throttle joint entering cavity, form the adsorption affinity, suction tool is close to the work piece and can realize the absorption to the work piece.
Further, one end of the vacuum generating tube 4 is provided with a gas supply duct 5, and the other end is provided with an exhaust port 6. The external pipeline is connected with the air supply pipeline 5, and compressed air is input into the vacuum generating pipe 4 through the external pipeline and the air supply pipeline 5 and then is exhausted from the exhaust port 6.
Further, in the present embodiment, referring to fig. 1 and 2, the casing 1 is provided with a protection cover 7, and the exhaust opening 6 is hidden under the protection cover 7, so as to enhance the aesthetic property of the suction device. Of course, in other embodiments, the position of the exhaust port is not limited to the above, and may be modified according to actual requirements.
In this embodiment, referring to fig. 2, a plurality of vacuum generating tubes 4 are provided, the plurality of vacuum generating tubes 4 are arranged in the housing 1 in parallel relative to the bottom of the housing, and the plurality of vacuum generating tubes 4 are arranged in parallel, so that the vacuum generating tubes uniformly absorb air in the housing, thereby ensuring uniform adsorption force of a single sucker unit at the bottom of the housing and better adsorption effect; meanwhile, the arrangement is favorable for reducing the occupied space of the vacuum generating pipe, thereby reducing the volume of the vacuum suction tool, and being convenient for processing and manufacturing and reducing the cost. Of course, in other embodiments, the manner in which the vacuum generating channels are arranged is not limited to that described above.
In the present embodiment, referring to fig. 3, the plurality of sucker assemblies are densely arranged along one circle of edge of the bottom of the housing 1, and the plurality of sucker assemblies at the middle position of the bottom of the housing 1 are sparsely arranged. When the suction tool sucks a workpiece, such as a porous sheet metal part, a metal punched sheet, a PCB (printed Circuit Board), a plastic pore plate and the like, the suction force to the periphery of the edge of the workpiece is large, so that the edge of the workpiece is sucked for one circle at the same time, the suction force to the workpiece is uniform, and the workpiece is prevented from being stressed unevenly and bent or damaged; and the sucker components are arranged densely, so that the adsorption force on the workpiece is increased, and the workpiece is prevented from falling due to unstable adsorption. Usually, the edge of the workpiece is not hollowed in a circle, the middle of the workpiece is hollowed out in a porous mode, a plurality of sucker assemblies at the middle position of the bottom of the shell are arranged sparsely, when the workpiece with the hollowed out holes is sucked, the problem that the sucker assemblies are arranged densely to cause overlarge adsorption force and generate laminations is solved, and a plurality of workpieces are prevented from being adsorbed at one time. Of course, in other embodiments, the arrangement and the density of the suction cup assemblies at the bottom of the housing are not limited to the above, and may also be adjusted according to the hollow condition of the workpiece, for example.
Further, referring to fig. 2 and 3, in this embodiment, a groove 8 for reducing the weight of the housing is formed at a position where the suction cup assembly is not disposed at the bottom of the housing 1, so that the self weight of the vacuum suction tool is reduced, and the vacuum suction tool is more portable when being mounted and transported.
In this embodiment, referring to fig. 3, the choke nipple 2 is tightly embedded in the bottom of the housing through a sealing plate 10, so as to improve the sealing performance of the installation of the choke nipple, prevent the choke nipple from generating a gap with the bottom of the housing, and prevent additional vacuum leakage.
In this embodiment, referring to fig. 1, a detection port 11 for detecting the vacuum degree inside the casing is further formed on the casing.
Example 2
The present embodiment is an improvement on the basis of embodiment 1, and the difference of the present embodiment with respect to embodiment 1 is:
referring to fig. 4-6, the housing 1 is provided with a vent hole 9, the vacuum generating device is externally connected to the housing 1 through the vent hole 9 and is communicated with the cavity, in this embodiment, the vacuum generating device is a fan, the fan sucks air in the cavity of the housing to form vacuum, and the external vacuum generating device can adjust the type or power of the external vacuum generating device according to different workpieces, adjust the adsorption force of the suction tool, and better guarantee the adsorption effect on the corresponding workpiece. Furthermore, the vacuum generating device can be a fan or other vacuum generators, the source is numerous, the application of the vacuum suction tool is more convenient, and the vacuum suction tool is not required to be provided with a special vacuum generating device.
Further, in the present embodiment, the vent hole 9 is provided in the top of the housing in consideration of convenience in mounting wiring and application, but in other embodiments, the position where the vent hole is provided is not limited to the above.
In this embodiment, referring to fig. 4, the plurality of sucker components are arranged in a matrix, and the sucker components in adjacent rows are arranged in a staggered manner. Particularly, for a workpiece with particularly dense holes and uneven surface, a plurality of sucker assemblies are densely arranged in a matrix, so that the adsorption force on the workpiece is increased; when the sucking disc subassembly is intensive to be set up, when sucking the too big work piece of difference in height on surface, partial sucking disc subassembly is far away with the work piece surface, probably lead to this partial sucking disc subassembly can't produce the adsorption affinity to the work piece, and in this embodiment, because be external vacuum generating device, the vacuum generating device of optional suitable intensity or the power of adjusting the evacuation reach suitable intensity, ensure that the suction apparatus has sufficient vacuum, thereby when setting up intensive sucking disc subassembly, also need not worry and lead to the too big, the not enough problem of adsorption affinity of vacuum leakage because of the difference in height on work piece surface too big.
Furthermore, in this embodiment, the sucker assemblies between adjacent rows are arranged in a staggered manner, so that the suction force of the suction tool is uniformly distributed, and the effect on porous articles is better.
In this embodiment, other structures and their connection relations are the same as those in embodiment 1, and are not described herein again.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (10)
1. A novel vacuum suction tool is characterized by comprising:
a housing having a cavity formed therein;
a plurality of sucker components; the throttling device comprises throttling joints and a suction head, wherein one ends of the throttling joints are arranged at the bottom of the shell and are communicated with the cavity, and the other ends of the throttling joints are connected with the suction head; the aperture of an inner hole of the throttling joint is less than 1 mm;
the vacuum generating device is arranged in the shell or externally connected outside the shell and communicated with the cavity;
the vacuum generating device absorbs air in the cavity to form a vacuum state, pressure difference is generated inside and outside the cavity, external air enters the cavity through the sucker assembly after being pressed, and the sucker assembly generates suction force due to airflow flowing.
2. The vacuum chuck as claimed in claim 1, wherein the vacuum generator is disposed in the housing, and the vacuum generator comprises at least one vacuum generating tube, both ends of the vacuum generating tube extending through the housing and communicating with the cavity.
3. The vacuum suction tool as claimed in claim 2, wherein the vacuum generating tube has a gas supply duct at one end and a gas exhaust opening at the other end.
4. The vacuum chuck as claimed in claim 3, wherein the housing is provided with a protective cover, and the exhaust port is hidden under the protective cover.
5. The vacuum suction tool as claimed in claim 2, wherein a plurality of vacuum generating tubes are provided, the vacuum generating tubes are arranged in the housing in parallel with respect to the bottom of the housing, and the vacuum generating tubes are arranged in parallel with each other.
6. The vacuum chuck as claimed in claim 2, wherein the plurality of sucker assemblies are densely arranged along the edge of the bottom of the casing, and the plurality of sucker assemblies are sparsely arranged at the middle position of the bottom of the casing.
7. The vacuum suction tool as claimed in claim 6, wherein a groove is formed at a position of the bottom of the housing where the suction cup assembly is not disposed for reducing the weight of the housing.
8. The vacuum suction tool as claimed in claim 1, wherein the throttle joint is tightly embedded in the bottom of the housing through a sealing plate; the shell is also provided with a detection port for detecting the vacuum degree in the shell.
9. The vacuum suction tool as claimed in claim 1, wherein the housing is provided with a vent hole, and the vacuum generator is externally connected to the housing through the vent hole and communicated with the cavity.
10. The vacuum chuck as claimed in claim 9, wherein the plurality of chuck assemblies are arranged in a matrix, and the chuck assemblies between adjacent columns are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360769.8U CN213622218U (en) | 2020-10-21 | 2020-10-21 | Novel vacuum suction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360769.8U CN213622218U (en) | 2020-10-21 | 2020-10-21 | Novel vacuum suction tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213622218U true CN213622218U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022360769.8U Active CN213622218U (en) | 2020-10-21 | 2020-10-21 | Novel vacuum suction tool |
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| CN (1) | CN213622218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229770A (en) * | 2022-09-23 | 2022-10-25 | 佛山隆深机器人有限公司 | Robot vision device and control method |
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2020
- 2020-10-21 CN CN202022360769.8U patent/CN213622218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229770A (en) * | 2022-09-23 | 2022-10-25 | 佛山隆深机器人有限公司 | Robot vision device and control method |
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