Suction nozzle and material moving device

Abstract

The utility model relates to the technical field of material moving equipment, in particular to a suction nozzle and a material moving device. The suction nozzle comprises: a joint, which is provided with a first air exhaust channel comprising an air exhaust part and an accommodating part, and a first abutting surface is arranged between the air exhaust part and the accommodating part; the connecting piece is inserted into the containing part, the connecting piece is provided with a second air exhaust channel communicating with the containing part, and a containing cavity is formed between the connecting piece and the first abutting face; the locking piece is movably arranged in the containing cavity, a blind hole is formed in the end, facing the connecting piece, of the locking piece, a second abutting face is arranged at the end, facing the first abutting face, of the locking piece, and an air hole communicated with the blind hole is formed in the second abutting face; and the suction cup is connected to the connecting piece, the suction cup is provided with a third air exhaust channel communicating with the second air exhaust channel, the suction cup is used for sucking the workpiece, and the material moving device comprises a mounting base and a plurality of suction nozzles. According to the suction nozzle and the material moving device, the suction nozzle can complete self-closing during air exhaust, air leakage is avoided, and the work efficiency of workpiece adsorption is improved.

Description

Technical Field

[0001] The present application relates to the technical field of material transfer equipment, and in particular to a suction nozzle and a material transfer device. Background Art

[0002] Suction nozzles play a crucial role in automated production, enabling contactless handling and precise positioning of workpieces made of various materials. Leveraging their suction capabilities, they enable stable workpiece handling, making them suitable for a wide range of industrial applications. This effectively improves production efficiency and operational safety while reducing the risk of damage to the workpiece surface.

[0003] In practice, vacuum cups are often equipped with multiple nozzles to enhance stability during workpiece suction and transfer. However, during actual operation, such as when removing material from a tray, inaccurate workpiece positioning can cause some nozzles to fail to successfully grasp the workpiece, leading to localized air leakage in the vacuum cup, affecting its suction capacity and ultimately preventing effective workpiece grasping, thus affecting operational efficiency. Utility Model Content

[0004] In view of the above, it is necessary to propose a suction nozzle and material moving device that can complete self-closing during air extraction, avoid air leakage, and improve the efficiency of adsorbing workpieces.

[0005] The embodiment of the present application provides a suction nozzle, comprising: a joint, provided with a first air extraction channel running through the joint, the first air extraction channel comprising an air extraction portion and a accommodating portion that are connected to each other, the diameter of the air extraction portion being smaller than the diameter of the accommodating portion, a first abutting surface being provided between the air extraction portion and the accommodating portion; a connecting piece being inserted into the accommodating portion, the connecting piece being provided with a second air extraction channel connected to the accommodating portion, a accommodating cavity being formed between the connecting piece and the first abutting surface; a locking piece being movably provided in the accommodating cavity, the locking piece being provided with a portion that can be connected to the second air extraction channel toward one end of the connecting piece The blind hole is connected to the connecting member, and the locking member is provided with a second abutting surface at one end facing the first abutting surface, and the second abutting surface is provided with an air hole connected with the blind hole and arranged toward the first abutting surface; and a suction cup is connected to the end of the connecting member away from the accommodating portion, and the suction cup is provided with a third air suction channel connected with the second air suction channel, and the suction cup is used to adsorb the workpiece; wherein, when the suction nozzle is sucking air, the locking member is pushed away from the connecting member by the gas, so that the second abutting surface abuts against the first abutting surface, and then the first abutting surface closes the air hole to close the air suction portion.

[0006] The above-mentioned suction nozzle can form a gas passage through the first air extraction channel in the joint, the air holes and blind holes in the locking member, the second air extraction channel in the connecting member and the third air extraction channel in the suction cup. After the joint is connected to the external air extraction device, air can be extracted to adsorb the workpiece. When the suction nozzle abuts the workpiece, a negative pressure can be generated at the suction cup, thereby adsorbing the workpiece. When the suction nozzle does not abut the workpiece, the locking member can move away from the connecting member under the push of the gas, thereby causing the second abutting surface of the locking member to abut the first abutting surface of the joint. At this time, the first abutting surface closes the air hole, thereby closing the air extraction part, completing the self-closure of the suction nozzle, and preventing the suction nozzle from leaking when it is not abutting the workpiece, affecting other suction nozzles from adsorbing the workpiece. When the external air extraction device stops extracting air, the locking member can move toward the connecting member under the action of gravity, thereby forming a passage for the first air extraction channel, air holes, blind holes, second air extraction channel and third air extraction channel in the suction nozzle.

[0007] In some embodiments, the suction nozzle also includes a first sealing ring connected to the locking member, the first sealing ring is connected to the second abutting surface and is arranged on the side of the air hole close to the suction part, and the first sealing ring is used to seal the gap between the first abutting surface and the second abutting surface when the second abutting surface abuts against the first abutting surface.

[0008] In some embodiments, there are multiple air holes, and the multiple air holes are arranged around the blind hole and are all connected to the blind hole.

[0009] In some embodiments, the diameter of the blind hole is larger than the diameter of the air hole and smaller than or equal to the diameter of the second air pumping channel.

[0010] In some embodiments, the first abutting surface is a conical surface, the cross-sectional diameter of the first abutting surface along the axis direction perpendicular to the first exhaust channel gradually increases in the direction away from the exhaust portion, and the second abutting surface is a conical surface adapted to the first abutting surface.

[0011] In some embodiments, the first abutting surface is a plane and the plane where the first abutting surface is located is perpendicular to the axial direction of the first air extraction channel, and the second abutting surface is a plane and the plane where the second abutting surface is located is perpendicular to the axial direction of the first air extraction channel.

[0012] In some embodiments, the angle between the extension direction of the air hole and the axial direction of the first air exhaust channel is an acute angle, or the structure of the air hole is an L-shaped structure, one end of the air hole is connected to the blind hole, and the other end is arranged on the second abutment surface and is arranged toward the first abutment surface.

[0013] In some embodiments, the connecting member includes a main body and a limiting protrusion, wherein the limiting protrusion is arranged in the middle of the main body and surrounds the main body, and the limiting protrusion is used to abut the joint when the main body is inserted into the accommodating portion to limit the main body.

[0014] In some embodiments, the suction nozzle further includes a second sealing ring, which is sleeved on the main body and disposed between the limiting protrusion and the joint.

[0015] An embodiment of the present application also provides a material moving device, comprising: a mounting seat, comprising a connecting member and a mounting plate connected thereto, the connecting member being provided with a fourth air exhaust channel, the connecting member being used to connect to an external air exhaust device; and a plurality of suction nozzles as described in the above embodiments, the plurality of suction nozzles being connected to the mounting plate, and the first air exhaust channel in each of the suction nozzles being connected to the fourth air exhaust channel.

[0016] The above-mentioned material moving device is provided with a mounting base and a plurality of suction nozzles, and the plurality of suction nozzles are all connected to the fourth air extraction channel in the mounting base. After the external air extraction device is connected to the connecting piece, the plurality of suction nozzles on the mounting plate can be exhausted through an air path, thereby reducing the power source and having low production costs. In addition, the plurality of suction nozzles can simultaneously adsorb the workpiece, and the adsorption stability of the workpiece is high. When adsorbing the workpiece, if some of the suction nozzles do not abut the workpiece, the suction nozzles that do not abut the workpiece can complete self-closure during air extraction to avoid air leakage, so that the other suction nozzles abutting the workpiece can adsorb the workpiece, thereby reducing the process of adjusting the position of the material moving device or the position of the workpiece, and having high operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of the suction nozzle provided in an embodiment of the present application.

[0018] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the suction nozzle shown.

[0019] Figure 3 for Figure 1 The schematic cross-sectional view of the suction nozzle along the III-III direction is shown.

[0020] Figure 4 for Figure 3 Schematic cross-section of the joint shown.

[0021] Figure 5 for Figure 3 The schematic cross-sectional view of the state in which the locking member of the suction nozzle abuts against the first abutting surface is shown.

[0022] Figure 6 A schematic cross-sectional view of a suction nozzle provided in another embodiment of the present application.

[0023] Figure 7 This is a schematic structural diagram of the material transfer device provided in an embodiment of the present application.

[0024] Figure 8 for Figure 7 The material transfer device shown is a schematic cross-sectional view along the VIII-VIII direction.

[0025] Description of main component symbols

[0026] Material transfer device 1000

[0027] Nozzle 100

[0028] Connector 10

[0029] First air extraction channel 11

[0030] Air extraction unit 111

[0031] Accommodation portion 112

[0032] Accommodating cavity 113

[0033] First abutting surface 12

[0034] Connector 20

[0035] Second air extraction channel 21

[0036] Main body part 22

[0037] Limiting protrusion 23

[0038] Locking member 30

[0039] Blind hole 31

[0040] Second abutting surface 32

[0041] Air hole 33

[0042] Suction cup 40

[0043] The third air extraction channel 41

[0044] First sealing ring 50

[0045] Second sealing ring 60

[0046] Mounting Block 200

[0047] Connector 210

[0048] Fourth air extraction channel 211

[0049] Mounting plate 220

[0050] Artifact 2000 DETAILED DESCRIPTION

[0051] The embodiments of the present application are described in detail below, and examples of the embodiments 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 only used to explain the present application, and should not be understood as limiting the present application.

[0052] In the description of this application, it should be understood that the terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting this application. In addition, in the description of this application, it should be noted that the meaning of "plurality" is two or more, unless otherwise expressly and specifically defined.

[0053] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0054] The embodiments of the present application are further described below with reference to the accompanying drawings.

[0055] See Figure 1 and Figure 2 , the embodiment of the present application provides a suction nozzle 100 for sucking a workpiece 2000 (see Figure 7 ), the workpiece 2000 can be a plate-shaped structure, such as a glass panel of a mobile phone, a metal back cover, etc. The suction nozzle 100 includes a joint 10, a connecting member 20, a locking member 30 and a suction cup 40.

[0056] For details, please refer to Figure 3 and Figure 4The connector 10 is provided with a first air extraction channel 11 that runs through the connector 10. The first air extraction channel 11 includes an air extraction portion 111 and a receiving portion 112 that are interconnected. The diameter of the air extraction portion 111 is smaller than the diameter of the receiving portion 112. A first abutting surface 12 is provided between the air extraction portion 111 and the receiving portion 112. The connector 10 is used to connect to an external device (not shown). The external device can be an external air extraction device (not shown) or a mounting base 200 described below. The external air extraction device extracts air through the first air extraction channel 11 in the connector 10. In this embodiment, the connector 10 is a cylindrical structure. The end of the connector 10 that is connected to the external air extraction device can be provided with an internal thread, etc., to facilitate installation.

[0057] The connector 20 is inserted into the accommodating portion 112 and defines a second air extraction passage 21 communicating with the accommodating portion 112. An accommodating cavity 113 is formed between the connector 20 and the first abutting surface 12. The connector 20 and the joint 10 can be connected using a threaded connection or other method to improve the stability of the connection between the connector 20 and the joint 10. It will be understood that the connector 20 is spaced apart from the first abutting surface 12, and the accommodating cavity 113 is formed between one end of the connector 20 inserted into the accommodating portion 112 and the first abutting surface 12, i.e., the accommodating cavity 113 is part of the accommodating portion 112.

[0058] The locking member 30 is movably disposed within the accommodating chamber 113. A blind hole 31 is defined on the end of the locking member 30 that faces the connector 20 and is communicated with the second air extraction channel 21. A second abutting surface 32 is defined on the end of the locking member 30 that faces the first abutting surface 12. An air hole 33 is defined on the second abutting surface 32 and is communicated with the blind hole 31 and is disposed toward the first abutting surface 12. It will be appreciated that the blind hole 31 does not penetrate the locking member 30. To facilitate movement of the locking member 30 by gas, the air hole 33 is connected to the sidewall of the blind hole 31. Thus, when gas enters the blind hole 31, it exerts a force on the bottom wall of the blind hole 31, thereby causing the locking member 30 to slide within the accommodating chamber 113.

[0059] The suction cup 40 is connected to one end of the connecting part 20 away from the accommodating portion 112. The suction cup 40 is provided with a third exhaust channel 41 connected to the second exhaust channel 21. The suction cup 40 is used to adsorb the workpiece 2000. The suction cup 40 can be made of rubber material to improve the air tightness when the suction cup 40 contacts the workpiece 2000, and at the same time, it can also avoid rigid contact with the workpiece 2000 and cause damage to the workpiece 2000.

[0060] See Figure 5 When the suction nozzle 100 is pumping air, the locking member 30 is pushed away from the connecting member 20 by the gas, so that the second abutting surface 32 abuts against the first abutting surface 12, and then the first abutting surface 12 closes the air hole 33 to close the suction portion 111.

[0061] It is understood that after the suction nozzle 100 is installed on the external suction device, it is usually connected to a driving device (not shown) to drive the suction nozzle 100 to move. The driving device can be a robotic arm, etc., to achieve the transfer of the workpiece 2000 (see Figure 7 ) function. When adsorbing the workpiece 2000, the driving device drives the suction nozzle 100 to move to a preset position, which can be the position of the material tray (not shown) carrying the workpiece 2000, or a certain position of the assembly line (not shown) for transferring the workpiece 2000, so that the suction nozzle 100 abuts the workpiece 2000, and then the external exhaust device draws air through the suction nozzle 100 to adsorb the workpiece 2000. It can be understood that in order to improve the stability when adsorbing and transferring the workpiece 2000, multiple suction nozzles 100 are usually used to adsorb the workpiece 2000 at the same time. When the workpiece 2000 is placed accurately, multiple suction nozzles 100 abut the workpiece 2000 at the same time, and then adsorb the workpiece 2000 at the same time. When the workpiece 2000 is not positioned correctly and some of the suction nozzles 100 do not abut the workpiece 2000, the suction nozzles 100 abutting the workpiece 2000 adsorb the workpiece 2000, and the suction nozzles 100 not abutting the workpiece 2000 close themselves to avoid air leakage, which will not affect the operation of the suction nozzles 100 abutting the workpiece 2000.

[0062] The suction nozzle 100 provided in the embodiment of the present application can form a gas passage through the first gas extraction channel 11 in the connector 10, the air hole 33 and the blind hole 31 in the locking member 30, the second gas extraction channel 21 in the connecting member 20, and the third gas extraction channel 41 in the suction cup 40. After the connector 10 is connected to an external gas extraction device, gas can be extracted to suck the workpiece 2000. When the suction nozzle 100 abuts the workpiece 2000, a negative pressure can be generated at the suction cup 40, thereby sucking the workpiece 2000. When the suction nozzle 100 is not in contact with the workpiece 2000, the locking member 30 can move away from the connecting member 20 under the push of the gas, thereby causing the second abutting surface 32 of the locking member 30 to abut against the first abutting surface 12 of the joint 10. At this time, the first abutting surface 12 closes the air hole 33, and then closes the suction portion 111, completing the self-closure of the suction nozzle 100, preventing the suction nozzle 100 from leaking when it is not in contact with the workpiece 2000, thereby affecting other suction nozzles 100 from adsorbing the workpiece 2000. When the external suction device stops pumping, the locking member 30 can move toward the connecting member 20 under the action of gravity, thereby forming a passage for the first suction channel 11, air hole 33, blind hole 31, second suction channel 21, and third suction channel 41 in the suction nozzle 100.

[0063] In some embodiments, see Figure 2 and Figure 5The nozzle 100 further includes a first sealing ring 50 connected to the locking member 30. The first sealing ring 50 is connected to the second abutting surface 32 and is disposed on the side of the air hole 33 close to the air extraction portion 111. The first sealing ring 50 is used to seal the gap between the first abutting surface 12 and the second abutting surface 32 when the second abutting surface 32 abuts against the first abutting surface 12. The first sealing ring 50 may be a rubber ring. It is understood that the first sealing ring 50 protrudes from the second abutting surface 32 when installed on the second abutting surface 32, so that when the second abutting surface 32 abuts against the first abutting surface 12, the first sealing ring 50 abuts against the first abutting surface 12, thereby sealing the gap between the first abutting surface 12 and the second abutting surface 32, thereby improving the sealing effect and preventing air leakage.

[0064] In some embodiments, see Figure 2 and Figure 3 The air holes 33 are provided in a plurality, and are arranged around the blind hole 31 and are all connected to the blind hole 31. The number of air holes 33 can be two, three, four, etc. The air holes 33 can be arranged in a centrally symmetrical manner along the axis of the locking member 30 to improve the uniformity of the force applied to the locking member 30 during air extraction, thereby improving the sliding stability of the locking member 30. By providing multiple air holes 33, it is also possible to prevent debris from clogging some of the air holes 33, thereby preventing the air path in the suction nozzle 100 from being blocked.

[0065] In some embodiments, see Figure 3 The diameter of the blind hole 31 is larger than the diameter of the air hole 33 and smaller than or equal to the diameter of the second air extraction channel 21. In this way, during air extraction, gas can push the locking member 30 to move. If the diameter of the blind hole 31 is smaller than or equal to the diameter of the air hole 33, gas flows directly from the blind hole 31 to the air hole 33, and from the air hole 33 to the air extraction portion 111 of the first air extraction channel 11. That is, the gas flowing into the blind hole 31 exerts a small force on the locking member 30, resulting in an inability to push the locking member 30 against the first abutment surface 12. When the diameter of the blind hole 31 is larger than the diameter of the second air extraction channel 21, gas enters the blind hole 31 directly from the second air extraction hole, exerting a small pushing force on the locking member 30, resulting in an inability to push the locking member 30 against the first abutment surface 12.

[0066] In some embodiments, see Figure 3The first abutting surface 12 is a tapered surface, and the cross-sectional diameter of the first abutting surface 12 along a direction perpendicular to the axis of the first air extraction channel 11 gradually increases in a direction away from the air extraction portion 111. The second abutting surface 32 is a tapered surface adapted to the first abutting surface 12. This facilitates both the abutment of the second abutting surface 32 against the first abutting surface 12 and the separation of the second abutting surface 32 from the first abutting surface 12. It is understood that the axis of the blind hole 31 can coincide with the axis of the first air extraction channel 11, and the angle between the axis of the air hole 33 and the axis of the blind hole 31 can be an acute angle, i.e., the air hole 33 is arranged at an angle, which facilitates the processing of the air hole 33 on the locking member 30.

[0067] In some embodiments, see Figure 6 The first abutting surface 12 is a plane perpendicular to the axis of the first air extraction channel 11, and the second abutting surface 32 is a plane perpendicular to the axis of the first air extraction channel 11. Thus, when the second abutting surface 32 abuts the first abutting surface 12, the first abutting surface 12 seals the air hole 33, thereby sealing the air extraction portion 111 and blocking the air passage formed in the nozzle 100.

[0068] In some embodiments, see Figure 6 , the angle between the extension direction of the air hole 33 and the axial direction of the first air extraction channel 11 is an acute angle, or the structure of the air hole 33 is an L-shaped structure (not shown), one end of the air hole 33 is connected to the blind hole 31, and the other end is arranged on the second abutting surface 32 and is arranged toward the first abutting surface 12. When the angle between the extension direction of the air hole 33 and the axial direction of the first air extraction channel 11 is an acute angle, the air hole 33 is arranged at an angle, which facilitates the processing of the air hole 33 on the locking member 30. When the structure of the air hole 33 is an L-shaped structure, the locking member 30 can be processed in two halves, that is, the blind hole 31 and half of the air hole 33 are processed in one half of the locking member 30, and the other half of the air hole 33 is processed in the other half of the locking member 30. The two halves of the locking member 30 are then fixedly connected to form a complete air hole 33 in the locking member 30.

[0069] In some embodiments, see Figure 2 and Figure 3 The connector 20 includes a main body 22 and a limiting protrusion 23. The limiting protrusion 23 is disposed in the middle of the main body 22 and surrounds the main body 22. The limiting protrusion 23 is used to abut the connector 10 when the main body 22 is inserted into the receiving portion 112, thereby limiting the position of the main body 22. In this way, by providing the limiting protrusion 23, the insertion length of the main body 22 of the connector 20 into the receiving portion 112 can be limited, thereby ensuring that the volume of the receiving cavity 113 is larger than that of the locking member 30, so that the locking member 30 can slide within the receiving cavity 113.

[0070] In some embodiments, see Figure 2 and Figure 3 The nozzle 100 further includes a second sealing ring 60, which is sleeved on the main body 22 and disposed between the limiting protrusion 23 and the connector 10. The second sealing ring 60 may be a rubber ring or the like, and the provision of the second sealing ring 60 can improve the airtightness of the connection between the connector 20 and the connector 10.

[0071] The working process of the nozzle 100 provided in the embodiment of the present application is roughly as follows:

[0072] The connector 10 of the nozzle 100 is connected to the external suction device, and the suction cup 40 of the nozzle 100 is set downward so that the locking member 30 abuts against the connecting member 20 under the action of gravity. Figure 3 At this time, the first air extraction channel 11 in the joint 10, the air hole 33 and the blind hole 31 in the locking member 30, the second air extraction channel 21 in the connecting member 20 and the third air extraction channel 41 in the suction cup 40 form an air passage, and then the suction nozzle 100 is driven by the driving device to move to the preset position to absorb the workpiece 2000 (see Figure 7 ).

[0073] After the suction cup 40 of the suction nozzle 100 moves to a preset position and abuts the workpiece 2000, an external exhaust device extracts air, and the air passes through the third exhaust channel 41, the second exhaust channel 21, the blind hole 31, the air hole 33, and the first exhaust channel 11 in sequence, generating a negative pressure at the suction cup 40, thereby adsorbing the workpiece 2000, and then the workpiece 2000 can be moved. It can be understood that after the suction cup 40 adsorbs the workpiece 2000, the workpiece 2000 blocks the third exhaust channel 41, and the air no longer flows into the suction nozzle 100, and the air does not abut the locking member 30 to move. At this time, the third exhaust channel 41, the second exhaust channel 21, the blind hole 31, the air hole 33, and the first exhaust channel 11 in the suction nozzle 100 are still connected.

[0074] See Figure 5 When the suction cup 40 of the suction nozzle 100 moves to the preset position but does not abut the workpiece 2000, the external exhaust device extracts air, and the air enters the blind hole 31 through the third exhaust channel 41 and the second exhaust channel 21, thereby pushing the locking member 30. When the force exerted by the gas on the locking member 30 is greater than the weight of the locking member 30, the gas pushes the locking member 30 away from the connecting member 20, thereby causing the second abutting surface 32 to abut the first abutting surface 12. The first abutting surface 12 closes the air hole 33, the locking member 30 closes the exhaust portion 111, and the air no longer flows into the first exhaust channel 11. At this time, the suction nozzle 100 completes self-sealing, which can prevent air leakage and does not affect the suction of the workpiece 2000 by other suction nozzles 100 abutting the workpiece 2000.

[0075] See Figure 7 and Figure 8The present application also provides a material moving device 1000 for moving a workpiece 2000. The workpiece 2000 may be a plate-shaped structure, such as a glass panel or a metal back cover of a mobile phone. The material moving device 1000 includes a mounting base 200 and a plurality of suction nozzles 100 described in the above embodiments.

[0076] The mounting base 200 includes a connector 210 and a mounting plate 220. The connector 210 defines a fourth air extraction channel 211 for connecting to an external air extraction device (not shown). Once the connector 210 is connected to the external air extraction device, the external air extraction device communicates with the fourth air extraction channel 211. The mounting plate 220 may be a plate-shaped structure, providing stable support for the nozzle 100.

[0077] Multiple suction nozzles 100 are connected to the mounting plate 220, and the first suction channel 11 in each suction nozzle 100 is connected to the fourth suction channel 211. In this way, when the external suction device is extracting air, the air can pass through the suction nozzle 100 and the fourth suction channel 211, thereby generating negative pressure at the suction cup 40 of the suction nozzle 100, thereby enabling the multiple suction nozzles 100 to absorb the workpiece 2000.

[0078] The material transfer device 1000 provided in the embodiment of the present application is provided with a mounting base 200 and a plurality of suction nozzles 100, and the plurality of suction nozzles 100 are all connected to the fourth air extraction channel 211 in the mounting base 200. After the external air extraction device is connected to the connector 210, the plurality of suction nozzles 100 on the mounting plate 220 can be exhausted through an air extraction passage, thereby reducing the required power source and reducing the production cost. In addition, the plurality of suction nozzles 100 can simultaneously adsorb the workpiece 2000, and the stability of adsorbing the workpiece 2000 is high. When adsorbing the workpiece 2000, if some of the suction nozzles 100 do not abut the workpiece 2000, during the air extraction, the suction nozzles 100 that do not abut the workpiece 2000 can complete self-closure to avoid air leakage, so that the other suction nozzles 100 abutting the workpiece 2000 can adsorb the workpiece 2000, thereby reducing the steps of adjusting the position of the material transfer device 1000 or adjusting the position of the workpiece 2000, and the operation efficiency is high.

[0079] The working process of the material transfer device 1000 provided in the embodiment of the present application is roughly as follows:

[0080] First, the connector 210 of the mounting base 200 is connected to an external vacuum device, and the suction cup 40 of the suction nozzle 100 is set downward so that the locking part 30 abuts against the connector 20 under the action of gravity. At this time, the first vacuum channel 11 in the connector 10, the air hole 33 and the blind hole 31 in the locking part 30, the second vacuum channel 21 in the connector 20, the third vacuum channel 41 in the suction cup 40 and the fourth vacuum channel 211 in the connector 210 form a gas passage, and then the material moving device 1000 is driven by a driving device (not shown) to move to a preset position to adsorb the workpiece 2000.

[0081] When the material transfer device 1000 moves to the preset position and multiple suction nozzles 100 are in contact with the workpiece 2000, the external vacuum equipment draws air, and the gas passes through the third vacuum channel 41, the second vacuum channel 21, the blind hole 31, the air hole 33, the first vacuum channel 11 and the fourth vacuum channel 211 in sequence, and a negative pressure is generated at the suction cup 40, thereby adsorbing the workpiece 2000, and then the workpiece 2000 can be moved.

[0082] When the material moving device 1000 moves to a preset position, and a portion of the suction nozzles 100 abut against the workpiece 2000, while the other portion of the suction nozzles 100 do not abut against the workpiece 2000, the external exhaust device exhausts air, and the suction nozzles 100 abutting against the workpiece 2000 adsorb the workpiece 2000. Under the action of the gas, the locking member 30 in the suction nozzles 100 not abutting against the workpiece 2000 moves away from the connecting member 20, thereby causing the second abutting surface 32 to abut against the first abutting surface 12. The first abutting surface 12 closes the air hole 33, the locking member 30 closes the exhaust portion 111, and the gas no longer flows into the first exhaust channel 11. At this time, the suction nozzles 100 complete self-sealing, which can avoid air leakage and does not affect the adsorption of the workpiece 2000 by other suction nozzles 100 abutting against the workpiece 2000.

[0083] It will be apparent to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all variations that come within the meaning and range of equivalents of the claims are intended to be embraced herein.

[0084] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A nozzle, characterized in that: include: The joint has a first air extraction channel extending through the joint, the first air extraction channel including an air extraction portion and a receiving portion communicating with each other, the diameter of the air extraction portion being smaller than the diameter of the receiving portion, and a first abutting surface being provided between the air extraction portion and the receiving portion; a connecting member inserted into the accommodating portion, the connecting member being provided with a second air extraction passage communicating with the accommodating portion, and forming an accommodating cavity between the connecting member and the first abutting surface; a locking member movably disposed in the accommodating cavity, wherein the locking member is provided with a blind hole communicable with the second air extraction channel at one end facing the connecting member, and a second abutting surface is provided at one end facing the first abutting surface, and an air hole is provided on the second abutting surface, the air hole being communicated with the blind hole and disposed toward the first abutting surface; and A suction cup is connected to one end of the connecting member away from the accommodating portion, and the suction cup is provided with a third air extraction channel connected to the second air extraction channel, and the suction cup is used to absorb the workpiece; wherein, When the suction nozzle is extracting air, the locking member is pushed away from the connecting member by the gas, so that the second abutting surface abuts against the first abutting surface, and then the first abutting surface closes the air hole to close the air extraction part.

2. The nozzle according to claim 1, wherein The suction nozzle also includes a first sealing ring connected to the locking member, the first sealing ring is connected to the second abutting surface and is arranged on the side of the air hole close to the air suction part, and the first sealing ring is used to seal the gap between the first abutting surface and the second abutting surface when the second abutting surface abuts against the first abutting surface.

3. The nozzle according to claim 1, wherein There are a plurality of air holes, and the plurality of air holes are arranged around the blind hole and are all communicated with the blind hole.

4. The nozzle according to claim 1, wherein The diameter of the blind hole is larger than the diameter of the air hole and smaller than or equal to the diameter of the second air pumping channel.

5. The nozzle according to claim 1, wherein: The first abutting surface is a conical surface, the cross-sectional diameter of which along the direction perpendicular to the axis of the first air extraction channel gradually increases in the direction away from the air extraction portion, and the second abutting surface is a conical surface adapted to the first abutting surface.

6. The nozzle according to claim 1, wherein The first abutting surface is a plane and the plane where the first abutting surface is located is perpendicular to the axial direction of the first air extraction channel. The second abutting surface is a plane and the plane where the second abutting surface is located is perpendicular to the axial direction of the first air extraction channel.

7. The nozzle according to claim 6, wherein: The angle between the extension direction of the air hole and the axial direction of the first air exhaust channel is an acute angle, or the structure of the air hole is an L-shaped structure, one end of the air hole is connected to the blind hole, and the other end is arranged on the second abutting surface and facing the first abutting surface.

8. The nozzle according to claim 1, wherein The connecting member includes a main body and a limiting protrusion, wherein the limiting protrusion is arranged in the middle of the main body and surrounds the main body, and the limiting protrusion is used to abut the joint when the main body is inserted into the accommodating portion to limit the main body.

9. The nozzle according to claim 8, wherein The suction nozzle further includes a second sealing ring, which is sleeved on the main body and arranged between the limiting protrusion and the joint.

10. A material moving device, characterized in that: include: The mounting base includes a connecting piece and a mounting plate connected to each other, wherein the connecting piece is provided with a fourth air extraction channel and is used to connect to an external air extraction device; and A plurality of suction nozzles according to any one of claims 1 to 9, wherein the plurality of suction nozzles are connected to the mounting plate, and the first air suction channel in each of the suction nozzles is connected to the fourth air suction channel.

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