Vacuum adsorption device and extrusion shell thereof

Abstract

The present invention discloses an extruded shell of a vacuum adsorption device, wherein the shell (1) is a hollow extruded profile, and the interior of the shell (1) is extended along the length direction to form an isolation rib (13) for dividing the interior of the shell (1) into an air suction chamber (11) and an isolation chamber (12). The air suction chamber (11) is located in the lower inner part of the shell (1), and the isolation chamber (12) is located in the upper inner part of the shell (1). The bottom surface of the shell (1) is provided with a plurality of vents (14) connected to the air suction chamber (11). The present invention is provided with an isolation rib in the middle of the extruded profile to divide the interior of the shell into an air suction chamber and an isolation chamber. The isolation chamber can effectively reduce the volume of the air suction chamber, reduce the amount of gas suction, and shorten the time required for the formation and release of the vacuum degree, thereby accelerating the suction and release speed of the vacuum adsorption device and improving the working efficiency of the vacuum adsorption device. The present invention also discloses a vacuum adsorption device including the above-mentioned extruded shell.

Description

Technical Field

[0001] The invention belongs to the technical field of vacuum grasping, and in particular relates to a vacuum adsorption device and an extrusion shell thereof. Background Art

[0002] Mobile grasping equipment is required in warehousing, logistics and packaging lines. The grasping equipment is equipped with a vacuum adsorption device. The vacuum adsorption device forms a temporary sealed space after contacting the object to be sucked. By extracting or thinning the air in the sealed space, a pressure difference between the inside and the outside is generated to adsorb the object and move the object to the required position.

[0003] In the related art, the vacuum generator of the vacuum adsorption device adopts a jet vacuum generating tube, which is installed in a shell. The shell is in the shape of a rectangular parallelepiped, and the interior is an air suction chamber. The bottom surface of the shell is provided with a plurality of vents connected to the air suction chamber. A sealing member is provided on the bottom surface of the shell, and a plurality of adsorption through holes corresponding to each vent are provided on the sealing member. The air inlet and air outlet of the jet vacuum generating tube are arranged outside the shell. The jet vacuum generating tube uses compressed air to eject a high-speed jet through it, and sucks away the gas in the air suction chamber, so that the air suction chamber forms a very low vacuum degree. At the same time, the adsorption through holes on the sealing member form a very low vacuum degree to adsorb the workpiece.

[0004] In the application scenarios of vacuum adsorption devices, sometimes it is necessary to adsorb workpieces of larger width. In this case, the vacuum adsorption device needs to have a larger adsorption surface. In order to ensure the overall adsorption force of the bottom surface of the shell, vents need to be arranged on the entire bottom surface of the shell. If the width of the adsorption surface is to be increased, the width of the shell must be increased. In order to ensure the strength of the shell, the height of the shell also needs to be increased accordingly. However, the suction cavity inside the shell will also increase accordingly. The increase in the suction cavity will increase the time required for the formation and release of the vacuum degree, which will increase the time for the workpiece to be absorbed and released, and reduce the working efficiency of the vacuum adsorption device. Summary of the invention

[0005] The object of the present invention is to avoid the deficiencies in the prior art and provide a vacuum adsorption device and an extrusion shell thereof, which can provide higher adsorption efficiency.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] On the one hand, an extruded shell of a vacuum adsorption device is provided, wherein the shell is a hollow extruded profile, and the interior of the shell is provided with isolation ribs extending along the length direction to separate the interior of the shell into an air suction chamber and an isolation chamber, the air suction chamber is located in the inner lower part of the shell, and the isolation chamber is located in the inner upper part of the shell, and the bottom surface of the shell is provided with a plurality of air vents connected to the air suction chamber.

[0008] As a further improvement, the cross-sectional outline of the shell is substantially rectangular, and the isolation ribs connect the inner top surface and the inner side surface of the shell.

[0009] As a further improvement, there are at least two isolation ribs.

[0010] As a further improvement, the number of the isolation ribs is two or an even number greater than two, and the isolation ribs are symmetrically distributed along the center line of the length direction of the shell.

[0011] As a further improvement, an upper fixing groove and / or a lower fixing groove extending along the length direction of the shell is arranged on the inner side of the shell.

[0012] As a further improvement, the top surface of the shell is provided with a mounting groove extending along the length direction of the shell.

[0013] The extruded shell of the vacuum adsorption device provided by the present invention is a hollow extruded profile, and the interior of the shell is extended along the length direction to form an isolation rib that divides the interior of the shell into an air suction chamber and an isolation chamber, the air suction chamber is located in the inner lower part of the shell, and the isolation chamber is located in the inner upper part of the shell, and the bottom surface of the shell is provided with a plurality of vents connected to the air suction chamber. The shell of the present invention adopts a hollow extruded profile, and an isolation rib that divides the interior of the shell into an air suction chamber and an isolation chamber is provided in the middle of the extruded profile. The isolation chamber can effectively reduce the volume of the air suction chamber, reduce the gas suction amount, and shorten the time required for the formation and release of the vacuum degree, thereby accelerating the suction and release speed of the vacuum adsorption device and improving the working efficiency of the vacuum adsorption device.

[0014] On the other hand, the present invention also provides a vacuum adsorption device, comprising the extruded shell as described above, an end cover is provided at the end opening of the shell, a vacuum generator is provided in at least one sub-suction chamber, the vacuum generator is connected to the outside through the shell or the end cover, a sealing member is provided on the bottom surface of the shell, and a plurality of adsorption through holes corresponding to each ventilation hole are provided on the sealing member.

[0015] As a further improvement, a throttle valve and / or a check valve is arranged in the vent hole.

[0016] Since the vacuum adsorption device provided by the present invention has the above-mentioned extrusion shell, it should have corresponding beneficial effects, so it will not be described in detail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the extruded shell of the vacuum adsorption device.

[0019] Figure 2 is a cross-sectional view of an extruded shell of a vacuum adsorption device.

[0020] Figure 3 It is a three-dimensional assembly diagram of the vacuum adsorption device. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] Combination Figures 1 to 3 As shown, the extruded shell of the vacuum adsorption device provided in the embodiment of the present invention, the shell 1 is a hollow extruded profile, preferably an extruded aluminum profile, and the extruded aluminum profile can be easily formed into keys, slots, fixing slots, installation slots, reinforcing ribs, etc., and the production cost is low. The cross-sectional outer contour of the shell 1 is generally rectangular, and the interior of the shell 1 is extended along the length direction to form an isolation rib 13 that divides the interior of the shell 1 into an air suction chamber 11 and an isolation chamber 12, and the isolation rib 13 connects the inner top surface and the inner side surface of the shell 1. The air suction chamber 11 is located in the inner lower part of the shell 1, and the isolation chamber 12 is located in the inner upper part of the shell 1. The bottom surface of the shell 1 is provided with a plurality of vents 14 connected to the air suction chamber 11. The shell of the embodiment of the present invention adopts a hollow extruded profile, and an isolation rib 13 is arranged in the middle of the extruded profile. The isolation rib 13 separates the interior of the shell into an air suction chamber and an isolation chamber, which can effectively reduce the volume of the air suction chamber, thereby reducing the amount of gas suction, shortening the time required for the formation and release of the vacuum degree, thereby accelerating the suction and release speed of the vacuum adsorption device and improving the working efficiency of the vacuum adsorption device. In addition, the isolation rib 13 can play a role in increasing the structural strength of the shell 1, and the width of the extruded profile can be made very large and the height can be made small, so that the volume of the air suction chamber 11 can be minimized to ensure the highest possible adsorption efficiency.

[0023] As a further preferred embodiment, the interior of the shell 1 is formed with a reinforcing rib 18 extending along the length direction to divide the suction chamber 11 into at least two sub-suction chambers along the width direction. The reinforcing rib 18 is provided with an opening connecting two adjacent sub-suction chambers, and the opening is provided at the end of the reinforcing rib 18. The opening can be formed by cutting after the shell 1 is formed, or a row of vents 14 can be provided at the reinforcing rib 18. When drilling the vents 14, the opening is formed by drilling to a certain depth of the reinforcing rib 18. Since the reinforcing rib 18 is provided in the middle of the extruded profile, each sub-suction chamber is connected through the opening provided on the reinforcing rib 18, and each sub-suction chamber is connected through the opening provided on the reinforcing rib 18. In this way, only one vacuum generator needs to be provided in one of the sub-suction chambers to realize vacuum suction of each sub-suction chamber. In addition, the reinforcing rib 18 can increase the structural strength of the shell, and the width of the extruded profile can be made very large and the height can be made small, so that the volume of the suction chamber 11 can be minimized to ensure the highest possible adsorption efficiency. The extruded shell of the embodiment of the present invention can ensure the highest possible adsorption efficiency without increasing the cost too much, while providing a wider adsorption bottom surface and better structural strength.

[0024] As a further preferred embodiment, the number of the isolation ribs 13 may be two, or the number of the isolation ribs 13 may be an even number greater than two, and the isolation ribs 13 are symmetrically distributed along the center line of the length direction of the housing 1. The more isolation ribs 13 are set, the smaller the suction cavity can be set, further reducing the volume of the suction cavity 11.

[0025] As a further preferred embodiment, the reinforcing ribs 18 connect the inner top surface and the inner bottom surface of the shell 1, so that the structural strength of the extruded shell can be increased as much as possible. There are 2 reinforcing ribs 18, and the reinforcing ribs 18 can also be an even number greater than 2. The reinforcing ribs 18 are symmetrically distributed along the center line of the length direction of the shell 1. The width of the sub-inhalation cavity in the middle of the shell 1 is greater than the width of the sub-inhalation cavity on both sides. A plurality of reinforcing ribs 18 are provided and a larger sub-inhalation cavity is isolated in the middle of the shell 1. The sub-inhalation cavity in the middle is used to place the vacuum generator 3. In this way, the structural strength of the wide-width shell can be increased as much as possible without affecting the placement of the vacuum generator 3. The width of the sub-inhalation cavity in the middle of the shell 1 is greater than the width of the sub-inhalation cavity on both sides. The sub-inhalation cavity in the middle is used to place the vacuum generator 3.

[0026] As a further preferred embodiment, the inner side of the housing 1 is provided with an upper fixing groove 15 and a lower fixing groove 16 extending along the length direction of the housing 1. The top surface of the housing 1 is provided with a mounting groove 17 extending along the length direction of the housing 1. The upper fixing groove 15, the lower fixing groove 16, and the mounting groove 17 are formed together during the extrusion molding of the housing. The upper fixing groove 15 and the lower fixing groove 16 are used to fix the vacuum generator 3 or other components. The mounting groove 17 is a T-slot, which is used to place a T-nut (slider) to connect with external devices, which is convenient and quick.

[0027] like Figure 3 As shown, an embodiment of the present invention further provides a vacuum adsorption device, comprising the extruded shell as described above, wherein an end cap 2 is provided at the end opening of the shell 1, and the end cap 2 seals the end opening of the shell 1, so that a sealed suction chamber is formed inside the shell 1. A vacuum generator 3 is provided in the suction chamber, and the vacuum generator 3 uses compressed air to eject a high-speed jet through a nozzle to suck away the gas in the suction chamber, so that the suction chamber forms a very low vacuum degree, and the air inlet and outlet ends of the vacuum generator 3 are connected to an external air source and the outside world through the air inlet and exhaust holes on the end cap 2 or the shell 1. Preferably, the vacuum generator 3 is fixed on an end cap 2, which is convenient for the installation of the vacuum generator 3, and the air inlet and outlet ends of the vacuum generator 3 can also be easily connected to an external air source and the outside world through the air inlet and exhaust holes on the end cap 2. A seal 4 is provided on the bottom surface of the shell 1, and the seal 4 is rectangular and attached to the outer bottom surface of the shell 1, and the seal 4 is adapted to the size of the outer bottom surface of the shell 1. The sealing member 4 is preferably sponge, or may be silicone or rubber, and may further be preferably silicone foam or rubber foam. The sealing member 4 is provided with a plurality of adsorption holes 41 corresponding to each vent hole 14, and a throttle valve and / or a check valve 5 is provided in the vent hole 14.

[0028] When the vacuum adsorption device provided by the embodiment of the present invention is working, the vacuum generator 3 will evacuate the suction chamber during suction, so that the air in each adsorption through hole 41 of the entire sealing member 4 will be sucked into the suction chamber. Each adsorption through hole is equivalent to a suction cup, and the adsorption through hole blocked by the workpiece produces a certain degree of vacuum, and the adsorption through hole adsorbs the workpiece under the action of atmospheric pressure.

[0029] Many specific details are set forth in the above description to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein, and therefore, they should not be construed as limiting the scope of protection of the present invention.

[0030] In summary, although the present invention lists the above-mentioned preferred embodiments, it should be noted that although technicians in this field can make various changes and modifications, unless such changes and modifications deviate from the scope of the present invention, they should be included in the protection scope of the present invention.

Claims

1. An extruded shell of a vacuum adsorption device, characterized in that: The shell (1) is a hollow extruded profile. The interior of the shell (1) is formed with an isolation rib (13) extending along the length direction to separate the interior of the shell (1) into an air intake chamber (11) and an isolation chamber (12). The isolation rib (13) connects the inner top surface and the inner side surface of the shell (1). The air intake chamber (11) is located in the inner lower part of the shell (1), and the isolation chamber (12) is located in the inner upper part of the shell (1). The bottom surface of the shell (1) is provided with a plurality of vents (14) connected to the air intake chamber (11). The interior of the shell (1) is formed with an isolation rib (13) extending along the length direction to separate the interior of the shell (11) into an air intake chamber (11) and an isolation chamber (12). A reinforcing rib (18) is provided to separate the housing into at least two sub-intake chambers, the reinforcing rib (18) is provided with an opening for connecting two adjacent sub-intake chambers, the reinforcing rib (18) is connected to the inner top surface and the inner bottom surface of the shell (1), and the reinforcing rib (18) includes two ribs, and the isolation rib (13) also includes two ribs, the width of the sub-intake chamber in the middle of the shell (1) is greater than the width of the sub-intake chambers on both sides, the sub-intake chamber in the middle is used to place a vacuum generator (3), the sub-intake chamber in the middle is connected to the sub-intake chambers on both sides, isolation chambers (12) are provided on both sides of the upper part of the sub-intake chamber in the middle, and isolation chambers (12) are also provided on the upper parts of the sub-intake chambers on both sides.

2. The extruded housing according to claim 1, characterized in that: The cross-sectional profile of the shell (1) is generally rectangular.

3. The extruded housing according to claim 2, characterized in that: The number of the isolation ribs (13) is 2 or an even number greater than 2, and the isolation ribs (13) are symmetrically distributed along the center line of the length direction of the shell (1).

4. The extruded housing according to any one of claims 1 to 3, characterized in that: An upper fixing groove (15) and / or a lower fixing groove (16) extending along the length direction of the shell (1) is arranged on the inner side of the shell (1).

5. The extruded housing according to any one of claims 1 to 3, characterized in that: The top surface of the shell (1) is provided with a mounting groove (17) extending along the length direction of the shell (1).

6. A vacuum adsorption device, characterized in that: It comprises an extruded shell as described in any one of claims 1 to 5, wherein an end cover (2) is provided at the end opening of the shell (1), a vacuum generator (3) is provided in the suction chamber, and the vacuum generator (3) is connected to the outside through the shell (1) or the end cover (2), a sealing member (4) is provided on the bottom surface of the shell (1), and a plurality of adsorption through holes (41) corresponding to each vent hole (14) are provided on the sealing member (4), and a throttle valve and / or a check valve (5) are provided in the vent hole (14).

7. The vacuum adsorption device according to claim 6, characterized in that: A throttle valve and / or a check valve (5) is arranged in the vent hole (14).

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