Vacuum chuck with adjustable suction nozzle position

Abstract

The utility model belongs to the field of clamp equipment, and particularly relates to a suction nozzle position adjustable vacuum chuck which comprises a chuck body. The suction cup body comprises a base and a plurality of suction nozzles. The base is provided with a vacuum cavity; the plurality of suction nozzles are connected with the base, and each suction nozzle is provided with a first air groove communicated with the vacuum cavity; the bottom surface of the base is communicated with a plurality of connecting channels towards the vacuum cavity; the connecting ends of the suction nozzles are detachably connected with the connecting channels in a one-to-one correspondence mode. The bottom of the base is rotationally connected with a nozzle sealing cover beside each connecting channel; the nozzle sealing cover can be matched and inserted with the connecting channel through rotation so as to seal the connecting channel, or is not inserted with the connecting channel so as to expose the connecting channel; during adsorption, part of the suction nozzles can be detached according to the shape and the size of a workpiece, then the nozzle sealing covers are used for sealing the corresponding connecting channels, the remaining suction nozzles are used for adsorbing the workpiece in a targeted mode, the adsorption range of the suction cup body is flexibly adjusted, and the adsorption requirements of products of different specifications are met.

Description

Technical Field

[0001] The utility model belongs to the field of clamp equipment, and in particular relates to a vacuum suction cup with an adjustable suction nozzle position. Background Art

[0002] In the field of industrial processing, fixtures are often used to clamp and move parts. These include robotic gripping structures and suction cup structures. Suction cup structures are further divided into vacuum suction cups and electromagnetic suction cups based on the principle of adsorption. A vacuum suction cup typically consists of a negative pressure source and a base. The base has a cavity inside that connects to the negative pressure source, and a suction port on the bottom of the base that connects to the cavity. When in use, the workpiece is placed on the bottom of the base, and the negative pressure source is activated to create a low-pressure environment in the cavity. This allows the workpiece to adhere to the base under the action of high external pressure. The base is then moved to drive the movement of the workpiece, allowing large workpieces to be relocated with ease.

[0003] For workpieces of different shapes, the suction ports can be set to different sizes and numbers; there is a vacuum suction cup in the prior art, which partitions the suction cup cavity to facilitate the adaptation and movement of workpieces of different specifications. For example, Chinese utility model patent CN217860171U discloses a vacuum suction cup and an automatic clamp, including a base; the base has a plurality of vacuum cavities, and the vacuum cavities are not connected to each other; a plurality of suction ports are opened on the top surface of the base, and each vacuum cavity is respectively connected to a plurality of suction ports; this patent can open a corresponding number of vacuum cavities for adsorption and clamping according to the size of the product, and is suitable for use with different models of products.

[0004] However, in this patent, the shape of each vacuum cavity is fixed, and it is difficult to flexibly adjust its adsorption range, which is insufficient to meet the adsorption requirements of products of different specifications. Utility Model Content

[0005] The purpose of the utility model is to provide a vacuum suction cup with adjustable suction nozzle position, aiming to solve the technical problem in the prior art that "the shape of the vacuum cavity is fixed, it is difficult to flexibly adjust its adsorption range, and it is insufficient to meet the adsorption requirements of products of different specifications."

[0006] To achieve the above-mentioned purpose, an embodiment of the present invention provides a vacuum suction cup with adjustable suction nozzle position, which is used to adsorb workpieces, including a suction cup body; the suction cup body includes a base and several suction nozzles; the base is provided with a vacuum chamber; several suction nozzles are connected to the base, and the suction nozzles are provided with a first air groove connected to the vacuum chamber; the bottom surface of the base is connected to the vacuum chamber with several connecting channels; the connecting ends of the several suction nozzles are detachably connected to the several connecting channels in a one-to-one correspondence; the bottom of the base is rotatably connected to a sealing cover on the side of each connecting channel; the sealing cover can be adapted to be plugged into the connecting channel by rotation to seal the connecting channel, or detached from the connecting channel to expose the connecting channel.

[0007] Optionally, an inner side wall of the connecting channel is provided with an internal thread, and an outer side wall of the connecting end of the suction nozzle is provided with an external thread, and the external thread is threadedly connected with the internal thread.

[0008] Optionally, the base includes a fixing seat and a soft rubber plate arranged at the bottom of the fixing seat; the connecting channel includes a first connecting hole arranged at the base and a second connecting hole arranged at the soft rubber plate; the inner side wall of the second connecting hole abuts against the outer side wall of the connecting end.

[0009] Optionally, the sealing cover is arranged at the bottom of the soft rubber plate; the sealing cover is interference-connected with the second connecting hole.

[0010] Optionally, a limiting flange is provided on the outer side wall of the sealing cover; the size of the limiting flange is larger than the aperture of the second connecting hole.

[0011] Optionally, the sealing cover is provided with a connecting piece; one end of the connecting piece is connected to the limiting flange, and the other end of the connecting piece is connected to the soft rubber plate.

[0012] Optionally, a first through-hole is formed on the soft rubber plate, a second through-hole is formed on the fixing seat, and the fixing frame passes through the first through-hole to be connected with the second through-hole.

[0013] Optionally, a buffer component is provided at the bottom of the suction nozzle; a second air groove is provided from the top surface to the bottom surface of the buffer component; the second air groove is connected to the first air groove; the buffer component can be compressed to varying degrees when adsorbing the workpiece.

[0014] Optionally, the buffer component is provided with a fixed end and a telescopic end which are connected to each other; the fixed end is fixedly connected to the bottom end of the suction nozzle, and the telescopic end is provided with a plurality of ridges.

[0015] Compared with the prior art, the above one or more technical solutions in the vacuum suction cup with adjustable suction nozzle position provided by the embodiment of the utility model have at least one of the following technical effects: the base is provided with a plurality of connecting channels, and each suction nozzle is detachably connected to a plurality of connecting channels; a sealing cover is provided on the side of the connecting channel, and the sealing cover is adapted to be plugged into the connecting channel; when adsorbing the workpiece, some suction nozzles can be removed according to the shape and size of the workpiece, and then the corresponding connecting channel can be sealed with the sealing cover, so that the remaining suction nozzles can be used to specifically adsorb the workpiece, reducing the air from entering the vacuum chamber from the redundant connecting channels, so as to improve the vacuuming efficiency; the utility model flexibly adjusts the adsorption range of the suction cup body through the mutual cooperation of the suction nozzle, the connecting channel and the sealing cover to meet the adsorption requirements of products of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 This is an exploded view of the present invention.

[0019] Figure 3 It is a cutaway view of the present invention.

[0020] Figure 4 for Figure 3 Enlarged schematic diagram of circle A in the middle.

[0021] Among them, the reference numerals in the figures are:

[0022] 1. Suction cup body; 2. Base; 3. Suction nozzle; 4. Buffer component;

[0023] 21. Fixing seat; 211. Vacuum chamber; 212. First perforation; 22. Soft rubber plate; 221. Second perforation; 23. Connecting channel; 231. Internal thread; 232. First connecting hole; 233. Second connecting hole; 24. Sealing cover; 241. Limiting flange; 242. Connector; 25. Fixing member;

[0024] 31. First air groove; 32. Connecting end; 321. External thread;

[0025] 41. Second air groove; 42. Fixed end; 43. Telescopic end; 431. Ridge. DETAILED DESCRIPTION

[0026] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0027] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0029] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0030] In one embodiment of the present invention, a vacuum suction cup with an adjustable nozzle position is provided for adsorbing a workpiece. Figure 1-Figure 4 , including a suction cup body 1; the suction cup body 1 includes a base 2 and several suction nozzles 3; the base 2 is used to provide support and connection; the base 2 is provided with a vacuum chamber 211, the vacuum chamber 211 is connected to a negative pressure source and a pressure relief pipe, the negative pressure source is used to extract air into the vacuum chamber 211, and the pressure relief pipe is used to relieve the pressure of the vacuum chamber 211, so that the environment in the vacuum chamber 211 can alternate between low pressure and normal pressure; the suction nozzle 3 contacts the workpiece to adsorb the workpiece; several suction nozzles 3 are all connected to the base 2, and the suction nozzle 3 is provided with a first air groove 31 connected to the vacuum chamber 211, and the suction nozzle 3 sucks air to the outside through the first air groove 31 for adsorption, or releases air to the outside to release adsorption; it should be noted that the technology of adsorbing and releasing the workpiece by the suction cup body 1 is an existing technology that can be directly obtained by those skilled in the art, and will not be elaborated here.

[0031] Furthermore, the bottom surface of the base 2 is connected to the vacuum chamber 211 with a plurality of connecting channels 23; the connecting ends 32 of the plurality of suction nozzles 3 are detachably connected to the plurality of connecting channels 23 in a one-to-one correspondence; the bottom of the base 2 is rotatably connected to a sealing cover 24 beside each connecting channel 23; the sealing cover 24 can be adapted to be plugged into the connecting channel 23 by rotation to seal the connecting channel 23, or can be detached from the connecting channel 23 to expose the connecting channel 23.

[0032] Compared with the prior art, the above-mentioned one or more technical solutions in the vacuum suction cup with adjustable suction nozzle position provided by the embodiment of the utility model have at least one of the following technical effects: the base 2 is provided with a plurality of connecting channels 23, and each suction nozzle 3 is detachably connected to a plurality of connecting channels 23; a sealing cover 24 is provided on the side of the connecting channel 23, and the sealing cover 24 is adapted to be plugged into the connecting channel 23; when adsorbing the workpiece, some suction nozzles 3 can be removed according to the shape and size of the workpiece, and then the corresponding connecting channel 23 can be sealed with the sealing cover 24, so that the remaining suction nozzles 3 can be used to specifically adsorb the workpiece, reducing the air from entering the vacuum chamber 211 from the redundant connecting channels 23, so as to improve the vacuuming efficiency; the utility model flexibly adjusts the adsorption range of the suction cup body 1 through the mutual cooperation of the suction nozzle 3, the connecting channel 23 and the sealing cover 24 to meet the adsorption requirements of products of different specifications.

[0033] refer to Figure 3 and Figure 4 The inner side wall of the connecting channel 23 is provided with an internal thread 231, and the outer side wall of the connecting end 32 of the suction nozzle 3 is provided with an external thread 321. The external thread 321 is threadedly adapted to the internal thread 231, so that the suction nozzle 3 can be detachably connected to the connecting channel 23 in a threaded connection manner, so as to facilitate the assembly or disassembly of the suction nozzle 3 to adjust the number and position of the suction nozzle 3 on the substrate; of course, in other embodiments, the suction nozzle 3 can also be detachably connected to the connecting channel 23 through a clamping piece, which can also produce the same technical effect.

[0034] refer to Figure 3 and Figure 4 The base 2 includes a fixing base 21 and a soft rubber plate 22 provided at the bottom of the fixing base 21; the connecting channel 23 includes a first connecting hole 232 provided on the fixing base 21 and a second connecting hole 233 provided on the soft rubber plate 22; the inner wall of the second connecting hole 233 abuts against the outer wall of the connecting end 32; the soft rubber plate 22 can be made of a colloid material such as rubber, latex, or silicone. The soft rubber plate 22 is used to form a fastening force on the suction nozzle 3 when the suction nozzle 3 is connected to the connecting channel 23, so as to enhance the connection stability of the suction nozzle 3 and the connecting channel 23. In addition, gas is not easy to leak through the gap between the suction nozzle 3 and the connecting channel 23, so as to improve energy utilization and enhance the adsorption accuracy of the suction nozzle 3.

[0035] Furthermore, the sealing cover 24 is arranged at the bottom of the soft rubber plate 22; the sealing cover 24 is interference-connected with the second connecting hole 233, and the interference connection method can enhance the tightness of the connection between the sealing cover 24 and the second connecting hole 233; of course, in other embodiments, the sealing cover 24 can also be clamped with the second connecting hole 233 by providing a clamping convex ring.

[0036] refer to Figure 4 The outer wall of the sealing cover 24 is provided with a limiting flange 241 ; the size of the limiting flange 241 is larger than the aperture of the second connecting hole 233 to limit the insertion depth of the sealing cover 24 in the second connecting hole 233 .

[0037] refer to Figure 4 The sealing cover 24 is provided with a connecting piece 242; one end of the connecting piece 242 is connected to the limiting flange 241, and the other end of the connecting piece 242 is connected to the soft rubber plate 22; the connecting piece 242 is preferably made of a soft material, such as plastic; the sealing cover 24 is connected to the soft rubber plate 22 through the connecting piece 242 so as to be closer to or farther away from the second connecting hole 233; of course, in other embodiments, the sealing cover 24 can also be rotatably connected to the soft rubber plate 22 through a rotating shaft.

[0038] refer to Figure 3 The soft rubber plate 22 is provided with a second through-hole 221, the fixing seat 21 is provided with a first through-hole 212, and the fixing member 25 passes through the second through-hole 221 to be connected with the first through-hole 212; the fixing member 25 can be set as a bolt; in other embodiments, the soft rubber plate 22 can also be connected to the fixing seat 21 by glue bonding, Velcro bonding, etc.

[0039] refer to Figure 4 A buffer component 4 is provided at the bottom of the suction nozzle 3; a second air groove 41 is provided from the top surface to the bottom surface of the buffer component 4; the second air groove 41 is connected to the first air groove 31; the buffer component 4 can be compressed to different degrees when adsorbing the workpiece, so as to be used for adsorbing workpieces with uneven surfaces, thereby increasing the applicability of the suction cup body 1 and meeting the adsorption requirements of workpieces of different shapes.

[0040] Furthermore, the buffer component 4 is provided with a fixed end 42 and a telescopic end 43 connected to each other; the fixed end 42 is fixedly connected to the bottom end of the suction nozzle 3 , and the telescopic end 43 is provided with a plurality of ridges 431 .

[0041] The rest of this embodiment is the same as that of the first embodiment. The features not explained in this embodiment are all based on the explanations of the first embodiment and will not be described in detail here.

[0042] The above description further details the present invention in conjunction with specific preferred embodiments, and should not be construed as limiting the specific implementation of the present invention to these descriptions. A person skilled in the art of the present invention will appreciate that its architecture is flexible and adaptable, allowing for the development of a series of products without departing from the present invention's concept. Simple deductions or substitutions should be considered within the scope of patent protection for the present invention as defined by the submitted claims.

Claims

1. A vacuum suction cup with adjustable suction nozzle position, used for sucking workpieces, comprising a suction cup body (1); the suction cup body (1) comprises a base (2) and a plurality of suction nozzles (3); the base (2) is provided with a vacuum chamber (211); the plurality of suction nozzles (3) are all connected to the base (2), and the suction nozzles (3) are provided with a first air groove (31) connected to the vacuum chamber (211); characterized in that: The bottom surface of the base (2) is connected to the vacuum chamber (211) with a plurality of connection channels (23); the connection ends (32) of the plurality of suction nozzles (3) are detachably connected to the plurality of connection channels (23) in a one-to-one correspondence; the bottom of the base (2) is rotatably connected to a sealing cover (24) on the side of each of the connection channels (23); the sealing cover (24) can be adapted to be plugged into the connection channel (23) by rotation to seal the connection channel (23), or can be disconnected from the connection channel (23) to expose the connection channel (23).

2. The vacuum suction cup with adjustable nozzle position according to claim 1, characterized in that: The inner wall of the connecting channel (23) is provided with an internal thread (231), and the outer wall of the connecting end (32) of the suction nozzle (3) is provided with an external thread (321), and the external thread (321) is threadedly connected with the internal thread (231).

3. The vacuum suction cup with adjustable nozzle position according to claim 1 or 2, characterized in that: The base (2) comprises a fixing seat (21) and a soft rubber plate (22) arranged at the bottom of the fixing seat (21); the connecting channel (23) comprises a first connecting hole (232) arranged at the fixing seat (21) and a second connecting hole (233) arranged at the soft rubber plate (22); the inner side wall of the second connecting hole (233) abuts against the outer side wall of the connecting end (32).

4. The vacuum suction cup with adjustable nozzle position according to claim 3, characterized in that: The sealing cover (24) is arranged at the bottom of the soft rubber plate (22); the sealing cover (24) is interference-connected with the second connecting hole (233).

5. The vacuum suction cup with adjustable nozzle position according to claim 3, characterized in that: The outer side wall of the sealing cover (24) is provided with a limiting flange (241); the size of the limiting flange (241) is larger than the hole diameter of the second connecting hole (233).

6. The vacuum suction cup with adjustable nozzle position according to claim 5, characterized in that: The sealing cover (24) is provided with a connecting piece (242); one end of the connecting piece (242) is connected to the limiting flange (241), and the other end of the connecting piece (242) is connected to the soft rubber plate (22).

7. The vacuum suction cup with adjustable nozzle position according to claim 3, characterized in that: The soft rubber plate (22) is provided with a second through hole (221), the fixing seat (21) is provided with a first through hole (212), and the fixing member (25) passes through the second through hole (221) to be connected with the first through hole (212).

8. The vacuum suction cup with adjustable nozzle position according to claim 1 or 2, characterized in that: A buffer component (4) is provided at the bottom of the suction nozzle (3); a second air groove (41) is provided from the top surface to the bottom surface of the buffer component (4); the second air groove (41) is connected to the first air groove (31); and the buffer component (4) can be compressed to varying degrees when adsorbing the workpiece.

9. The vacuum suction cup with adjustable nozzle position according to claim 8, characterized in that: The buffer component (4) is provided with a fixed end (42) and a telescopic end (43) which are connected to each other; the fixed end (42) is fixedly connected to the bottom end of the suction nozzle (3), and the telescopic end (43) is provided with a plurality of ridges (431).

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