Electric vacuum actuator device

Abstract

The utility model discloses an electric vacuum actuator device which comprises a working plate assembly, a plurality of electric vacuum actuators are arranged above the working plate assembly, an adsorption device is arranged below the working plate assembly, and the working plate assembly is provided with a hollow sealing cavity. The electric vacuum actuator acts on the adsorption device through the sealing cavity so as to control the adsorption device to adsorb a workpiece; an area corresponding to the position of each electric vacuum actuator is formed in the sealing cavity, each electric vacuum actuator is correspondingly communicated with the corresponding area, and every two adjacent areas are arranged in a communicated or isolated mode. According to the utility model, the working plate assembly is connected with the plurality of electric vacuum actuators, and the plurality of electric vacuum actuators work simultaneously and are used for rapidly extracting air in the sealing cavity, so that the adsorption device rapidly adsorbs workpieces, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum adsorption equipment technical field, especially in kind of electric vacuum actuator device. BACKGROUND

[0002] The electric vacuum actuator device is usually used for adsorbing and carrying workpieces, which generally comprises a shell, an electric vacuum pump, a solenoid valve, a control panel and a suction cup, the control panel is used for controlling the electric vacuum pump to generate vacuum air (negative pressure gas), the suction cup generates suction force through the vacuum air to grab the workpiece, and the solenoid valve switches the grabbing state and the release state of the suction cup.

[0003] For example, a kind of electric vacuum actuator device disclosed by Chinese utility model patent (publication number: CN221587211U) includes shell, bearing table and suction cup, the bearing table is fixedly connected at shell bottom, bearing table is equipped with sealed chamber, vacuum port communicated with sealed chamber and at least one suction cup installation port, each suction cup installation port is sealed installation with suction cup, the shell is equipped with cavity, cavity is fixedly installed with electric vacuum pump, standby power supply, solenoid valve and control panel, shell is equipped with power cord or power cord socket electrically connected with electric vacuum pump, the vacuum air inlet of solenoid valve is connected with electric vacuum pump, the vacuum air outlet of solenoid valve is connected with the vacuum port of bearing table, the vacuum air inlet of solenoid valve is connected with the vacuum air outlet of solenoid valve or the vacuum air inlet of solenoid valve is connected with the vacuum air outlet of solenoid valve, through built-in standby power supply, when power failure occurs, standby power supply can be automatically started to ensure that workpiece does not fall in emergency.

[0004] However, the electric vacuum actuator device disclosed in the above prior art has a bearing table connected to the bottom of the shell, a sealed chamber is arranged in the bearing table, the bearing table is provided with a vacuum port and a suction cup installation port communicated with the sealed chamber, a suction cup is installed in the suction cup installation port, and the vacuum port of the bearing table is sealingly connected with the vacuum air outlet of the solenoid valve. As described above, one electric vacuum pump is connected with one bearing table, which cannot efficiently suck the air in the sealed chamber of the bearing table. Especially when a workpiece with a large surface area needs to be adsorbed, the bearing table will be correspondingly larger. At this time, it is difficult for one electric vacuum pump to efficiently suck the air in the larger sealed chamber, thereby reducing the adsorption efficiency of the electric actuator device.

[0005] Therefore, it is necessary to improve the prior art. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of electric vacuum actuator devices to solve the problem that one electric vacuum pump is connected with one bearing table in prior art to suck the air in the sealed chamber of the bearing table, so as to reduce the adsorption efficiency of the electric actuator device.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A kind of electric vacuum actuator device, including workboard assembly, the upper of workboard assembly is provided with several electric vacuum actuators, the lower of workboard assembly is provided with suction device, workboard assembly has the sealed cavity of hollow arrangement, the electric vacuum actuator is through the sealed cavity to the suction device, to control the suction workpiece of suction device;The sealed cavity is formed with the area corresponding to the position of each electric vacuum actuator, each electric vacuum actuator is communicated with corresponding area, and adjacent two areas are in communication or isolation arrangement.

[0009] Further, all the areas are in communication or all the areas are in isolation arrangement.

[0010] Further, when all the areas are in communication, the junction of any adjacent two areas is provided with first partition, and the first partition and the inner wall of the sealed cavity form a first gap, and any adjacent two areas are communicated through the first gap.

[0011] Further, when all the areas are in isolation arrangement, the junction of any adjacent two areas is provided with second partition, and any adjacent two areas are isolated through the second partition.

[0012] Further, each area is also provided with third partition, and the third partition and the inner wall of the sealed cavity form a second gap, and the internal space of each area is communicated through the second gap.

[0013] Further, the workboard assembly includes a sealing cover plate, a partition and an adsorption plate sequentially sealed and attached from top to bottom, the sealing cover plate, the partition and the adsorption plate cooperate to form the sealed cavity, the adsorption plate is provided with a gas port F for communicating the sealed cavity and the suction device, and the gas port F includes a large-aperture hole segment close to the lower surface of the adsorption plate and a small-aperture hole segment close to the upper surface of the adsorption plate.

[0014] Further, the large-aperture hole segment of the gas port F is placed with a blocking ball that can move up and down, the diameter of the blocking ball is slightly smaller than the diameter of the large-aperture hole segment of the gas port F, and larger than the diameter of the small-aperture hole segment of the gas port F.

[0015] Further, the suction device is a bowl-shaped suction disc corresponding to the gas port F, or the suction device is a sponge suction disc attached to the adsorption plate, and the sponge suction disc is provided with a suction hole corresponding to the gas port F.

[0016] Further, the sealing cover plate is provided with a gas port E for connecting the sealing cavity and the vacuum actuator; the electric vacuum actuator comprises a shell, a control board, an electric vacuum pump, an electromagnetic valve and a vacuum detection sensor are arranged in the shell, a gas port G of the electric vacuum pump is communicated with a gas port X of the electromagnetic valve, a gas port Y of the electromagnetic valve is communicated with the atmosphere, a gas port Z of the electromagnetic valve is communicated with the gas port E of the working plate assembly, the control board controls the gas port Z of the electromagnetic valve to be communicated with the gas port X of the electromagnetic valve or the gas port Y of the electromagnetic valve; the vacuum detection sensor is used for detecting the vacuum degree in the sealing cavity.

[0017] After the above structure is adopted, the electric vacuum actuator device has the following beneficial effects:

[0018] (1) The electric vacuum actuator device comprises a working plate assembly, a plurality of electric vacuum actuators are arranged above the working plate assembly, a suction device is arranged below the working plate assembly, the working plate assembly is provided with a sealing cavity which is arranged in a hollow mode, the electric vacuum actuators act on the suction device through the sealing cavity to control the suction device to adsorb workpieces; the sealing cavity is formed with a region corresponding to the position of each electric vacuum actuator, each electric vacuum actuator is communicated with the corresponding region, and adjacent two regions are arranged in a communication or isolation mode. The working plate assembly is connected with a plurality of electric vacuum actuators, the plurality of electric vacuum actuators work simultaneously, air in the sealing cavity is quickly extracted, the suction device quickly adsorbs workpieces, and the working efficiency is improved.

[0019] (2) The electric vacuum actuator device comprises a working plate assembly, a plurality of electric vacuum actuators are arranged above the working plate assembly, a suction device is arranged below the working plate assembly, the working plate assembly is provided with a sealing cavity which is arranged in a hollow mode, the electric vacuum actuators act on the suction device through the sealing cavity to control the suction device to adsorb workpieces; the sealing cavity is formed with a region corresponding to the position of each electric vacuum actuator, each electric vacuum actuator is communicated with the corresponding region, and adjacent two regions are arranged in a communication or isolation mode. The working plate assembly is connected with a plurality of electric vacuum actuators, the plurality of electric vacuum actuators work simultaneously, air in the sealing cavity is quickly extracted, the suction device quickly adsorbs workpieces, and the working efficiency is improved.

[0020] (3) The electric vacuum actuator device comprises a working plate assembly, a plurality of electric vacuum actuators are arranged above the working plate assembly, a suction device is arranged below the working plate assembly, the working plate assembly is provided with a sealing cavity which is arranged in a hollow mode, the electric vacuum actuators act on the suction device through the sealing cavity to control the suction device to adsorb workpieces; the sealing cavity is formed with a region corresponding to the position of each electric vacuum actuator, each electric vacuum actuator is communicated with the corresponding region, and adjacent two regions are arranged in a communication or isolation mode. The working plate assembly is connected with a plurality of electric vacuum actuators, the plurality of electric vacuum actuators work simultaneously, air in the sealing cavity is quickly extracted, the suction device quickly adsorbs workpieces, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiment of the present application, the following will be a brief description of the drawings needed to be used in the description of the specific embodiment, obviously, the following description of the drawings is some embodiments of the present application, for those skilled in the art, without the premise of creating labor, can also be obtained from these drawings other drawings.

[0022] Figure 1 The overall structure of the present application is shown in the figure Figure 1 (The adsorption device is a sponge suction cup);

[0023] Figure 2 The overall structure of the present application is shown in the figure Figure 2 (The adsorption device is a bowl-shaped suction cup);

[0024] Figure 3 The sealing cover plate, the partition plate, the adsorption plate and the sponge suction cup are connected in cooperation in the present application Figure 1 ;

[0025] Figure 4 The sealing cover plate, the partition plate, the adsorption plate and the bowl-shaped suction cup are connected in cooperation in the present application

[0026] Figure 5 The overall structure of the present application is shown in the figure Figure 3 (The adsorption plate is provided with a plugging ball);

[0027] Figure 6 The overall structure of the present application is shown in the figure Figure 4 (The adsorption plate is provided with a plugging ball);

[0028] Figure 7 The sealing cover plate, the partition plate, the adsorption plate and the sponge suction cup are connected in cooperation in the present application Figure 2 (The air port F is provided with a plugging ball);

[0029] Figure 8 The sealing cover plate, the partition plate, the adsorption plate, the suction cup mounting plate and the bowl-shaped suction cup are connected in cooperation in the present application

[0030] Figure 9 The sealing cover plate, the partition plate are connected in cooperation in the present application Figure 1 (Area A, area B and area C are communicated);

[0031] Figure 10 The sealing cover plate, the partition plate are connected in cooperation in the present application Figure 2 (Area A, area B and area C are independent respectively);

[0032] Figure 11The explosion map of the electric vacuum actuator.

[0033] Figures 1 to 11 Reference numerals are:

[0034] 1, workboard assembly; 11, sealed cavity; 111, area A; 112, area B; 113, area C; 114, first partition; 1141, first notch; 115, second partition; 116, third partition; 1161, second notch; 12, air port E; 13, air port F; 131, large-diameter hole section; 132, small-diameter hole section; 14, sealing cover plate; 15, partition plate; 16, adsorption plate; 21, electric vacuum actuator A; 22, electric vacuum actuator B; 23, electric vacuum actuator C; 24, shell; 25, control board; 26, electric vacuum pump; 261, air port G; 27, electromagnetic valve; 271, air port X; 272, air port Y; 273, air port Z; 28, vacuum detection sensor; 3, plugging ball; 31, clasp spring; 32, mesh; 4, bowl-shaped suction cup; 41, suction cup mounting plate; 5, sponge suction cup; 51, adsorption hole. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, clear and understandable, the specific embodiments of the utility model will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0036] In the description of the utility model, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0037] In addition, if these terms "first", "second" appear, these terms are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the utility model, if the term "a plurality of" appears, the meaning of the term "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0038] In the utility model, unless otherwise specifically defined and limited, if the terms "mounting", "connection", "connection", "fixing" and the like appear, these terms should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the utility model, unless otherwise specifically defined and limited, if there is a similar description of the first feature "on" or "under" the second feature, the meaning can be that the first and second features are in direct contact, or the first and second features are indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0040] It should be noted that if an element is referred to as "fixed to" or "provided to" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If there is, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the utility model are only for illustrative purposes and do not indicate the only implementation.

[0041] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0042] As Figures 1 to 11As shown in the figure, an electric vacuum actuator device comprises a workboard assembly 1, a plurality of electric vacuum actuators are arranged above the workboard assembly 1, a suction device is arranged below the workboard assembly 1, the workboard assembly 1 is provided with a sealed cavity 11 in a hollow manner, the electric vacuum actuators act on the suction device through the sealed cavity 11 to control the suction device to suck workpieces; the sealed cavity 11 is formed with regions corresponding to positions of each of the electric vacuum actuators, each of the electric vacuum actuators is in communication with the corresponding region, and adjacent two regions are arranged in communication or isolation.

[0043] Based on the above embodiment, the utility model wants to solve is provide a kind of electric vacuum actuator device, comprising workboard assembly 1, the upper portion of the workboard assembly 1 is provided with several electric vacuum actuators, the lower portion of the workboard assembly 1 is provided with suction device, the workboard assembly 1 has the sealed cavity 11 in a hollow manner, the electric vacuum actuators act on the suction device through the sealed cavity 11, to control the suction device to suck workpiece;The sealed cavity 11 is formed with the region corresponding to each of the positions of the electric vacuum actuator, each of the electric vacuum actuators is in communication with the corresponding region, and adjacent two regions are arranged in communication or isolation.The workboard assembly 1 of the utility model is connected with multiple electric vacuum actuators, multiple electric vacuum actuators work simultaneously, for quickly extracting air in sealed cavity 11, so that suction device quickly sucks workpiece, improve work efficiency.

[0044] The upper portion of the workboard assembly 1 is provided with several electric vacuum actuators, in the embodiment, for easy description, it is described by taking the upper portion of the workboard assembly 1 as being provided with 3 electric vacuum actuators as an example.3 electric vacuum actuators are electric vacuum actuator A21, electric vacuum actuator B22 and electric vacuum actuator C23, and the sealed cavity 11 includes region A111 corresponding to electric vacuum actuator A21, region B112 corresponding to electric vacuum actuator B22 and region C113 corresponding to electric vacuum actuator C23.

[0045] As another preferred scheme of the utility model, all the regions are arranged in communication with each other or all the regions are arranged in isolation from each other.In the embodiment, as shown in the figure, Figure 9 The region A111, the region B112 and the region C113 are arranged in communication with each other, which can be used for the suction of large planar workpieces, and the three electric vacuum actuators work simultaneously, so that the suction efficiency is high, and the use in actual production is facilitated;Or as shown in the figure, Figure 10As shown, the area A111, the area B112 and the area C113 are all arranged in isolation, that is, the sealed cavity 11 is divided into three independent areas, and each area can independently adsorb and release corresponding workpieces, thereby increasing the use scenarios of the vacuum actuator device, such as realizing synchronous taking and asynchronous releasing of the electric vacuum actuator A21, the electric vacuum actuator B22 and the electric vacuum actuator C23 on multiple workpieces, or realizing asynchronous taking and synchronous releasing, or realizing asynchronous taking and asynchronous releasing.

[0046] As another preferred scheme of the utility model, when all the areas are arranged in communication with each other, a first partition 114 is arranged at the joint of any two adjacent areas, and a first gap 1141 is formed between the first partition 114 and the inner wall of the sealed cavity 11, and any two adjacent areas are communicated through the first gap 1141. A third partition 116 is further arranged in each area, a second gap 1161 is formed between the third partition 116 and the inner wall of the sealed cavity 11, and the internal space of each area is communicated through the second gap 1161. In this embodiment, as shown in the figure, Figure 9 As shown, the design of the first partition 114 and the third partition 116 divides the sealed cavity 11 into several small areas, so that when the gas port F13 is not blocked by the workpiece to be sucked, the corresponding blocking ball 3 blocks the gas port F13 under the action of the vacuum suction force to close the corresponding gas path. The design of the first gap 1141 and the second gap 1161 is used for the circulation of gas to realize the communication between the area A111, the area B112 and the area C113. In a further embodiment, the first partition 114 is close to the first side wall of the sealed cavity 11, and the third partition 116 is close to the second side wall of the sealed cavity 11 opposite to the first side wall.

[0047] As another preferred scheme of the utility model, when all the areas are arranged in communication with each other, a first partition 114 is arranged at the joint of any two adjacent areas, and a first gap 1141 is formed between the first partition 114 and the inner wall of the sealed cavity 11, and any two adjacent areas are communicated through the first gap 1141. A third partition 116 is further arranged in each area, a second gap 1161 is formed between the third partition 116 and the inner wall of the sealed cavity 11, and the internal space of each area is communicated through the second gap 1161. In this embodiment, as shown in the figure, Figure 10As shown, the second partition 115 is arranged to divide the sealing cavity 11 into three independent areas A111, B112 and C113. The third partition 116 is arranged to further divide the areas A111, B112 and C113, so that when the gas port F13 is not blocked by the workpiece to be sucked, the corresponding blocking ball 3 is blocked in the gas port F13 under the action of the vacuum suction force to close the corresponding gas path. In this embodiment, the second gap 1161 is designed for gas flow, so that the internal spaces of the areas A111, B112 and C113 are communicated through the second gap 1161.

[0048] As another preferred embodiment of the utility model, the working plate assembly 1 comprises a sealing cover plate 14, a partition plate 15 and an adsorption plate 16 which are sequentially sealed and attached from top to bottom, the sealing cover plate 14, the partition plate 15 and the adsorption plate 16 cooperate to form the sealing cavity 11, the adsorption plate 16 is provided with a gas port F13 for communicating the sealing cavity 11 and the adsorption device, and the gas port F13 comprises a large-aperture hole section 131 close to the lower surface of the adsorption plate 16 and a small-aperture hole section 132 close to the upper surface of the adsorption plate 16. A blocking ball 3 which can move up and down is placed in the large-aperture hole section 131 of the gas port F13; the diameter of the blocking ball 3 is slightly smaller than the diameter of the large-aperture hole section 131 of the gas port F13 and larger than the diameter of the small-aperture hole section 132 of the gas port F13. In this embodiment, as shown, Figures 5 to 8 The blocking ball 3 is used to block the gas port F13 under the action of the vacuum suction force when the gas port F13 is not blocked by the workpiece to be sucked, so as to close the corresponding gas path and prevent the vacuum in the sealing cavity 11 from being destroyed, thereby preventing the suction force of other gas ports F13 from being too small, and the workpiece can be sucked by contacting one or more bowl-shaped suction cups 4 or one or more adsorption holes 51 on the sponge suction cup 5. The specific working process is as follows: the adsorption device is connected to the electric vacuum actuator through the working plate assembly 1, the adsorption device is attached to the surface of the workpiece, the electric vacuum actuator is turned on, the negative pressure is formed in the sealing cavity 11, the adsorption device forms the suction force due to the air pressure difference and adsorbs the workpiece, and the blocking ball 3 does not move to the upper side of the gas port F13; when the adsorption device is not attached or not completely attached to the surface of the workpiece, the air flow pushes the blocking ball 3 to move to the uppermost side of the gas port F13 due to the air pressure difference, so as to block the gas port F13 and achieve the sealing effect, thereby ensuring the normal adsorption effect of other gas ports F13 on the workpiece and keeping the adsorption strength unchanged. At the same time, the energy consumption is also reduced.

[0049] As another preferred scheme of the utility model, the adsorption device is a bowl-shaped suction cup 4 corresponding to the air port F13; or the adsorption device is a sponge suction cup 5 arranged in close contact with the adsorption plate 16, and the sponge suction cup 5 is provided with adsorption holes 51 corresponding to the air port F13. In the embodiment, as shown in Figs. 8 and 9, the bowl-shaped suction cup 4 or the sponge suction cup 5 is used to adsorb the workpiece. In the embodiment, when the plugging ball 3 is arranged in the air port F13, the bowl-shaped suction cup 4 is connected to the workboard assembly 1 through the suction cup mounting plate 41. In the embodiment, the sponge suction cup 5 is suitable for working conditions where the traditional suction cup cannot work effectively, such as the curved and uneven workpiece surface; when the sponge suction cup 5 is in contact with the workpiece, the softness of the sponge suction cup 5 is used to buffer the impact on the workpiece, so as to avoid damage to the workpiece caused by contact. Figure 1 and Figure 2 The bowl-shaped suction cup 4 or the sponge suction cup 5 is used to adsorb the workpiece. In the embodiment, when the plugging ball 3 is arranged in the air port F13, the bowl-shaped suction cup 4 is connected to the workboard assembly 1 through the suction cup mounting plate 41. In the embodiment, the sponge suction cup 5 is suitable for working conditions where the traditional suction cup cannot work effectively, such as the curved and uneven workpiece surface; when the sponge suction cup 5 is in contact with the workpiece, the softness of the sponge suction cup 5 is used to buffer the impact on the workpiece, so as to avoid damage to the workpiece caused by contact. In a further embodiment, the mouth of the air port F13 is provided with a snap spring 31 and a mesh 32, which are used to prevent the plugging ball 3 from falling off.

[0050] As another preferred scheme of the utility model, the sealing cover plate 14 is provided with an air port E12 for connecting the sealing cavity 11 and the vacuum actuator; the electric vacuum actuator comprises a shell 24, the shell 24 is provided with a control board 25, an electric vacuum pump 26 electrically connected to the control board 25, an electromagnetic valve 27 and a vacuum detection sensor 28, the air port G261 of the electric vacuum pump 26 is connected to the air port X271 of the electromagnetic valve 27, the air port Y272 of the electromagnetic valve 27 is connected to the atmosphere, the air port Z273 of the electromagnetic valve 27 is connected to the air port E12 of the workboard assembly 1, the control board 25 controls the air port Z273 of the electromagnetic valve 27 to be connected to the air port X271 of the electromagnetic valve 27 or the air port Y272 of the electromagnetic valve 27; the vacuum detection sensor 28 is used to detect the vacuum degree in the sealing cavity 11. The sealing cover plate 14 is provided with an air port E12 for connecting the sealing cavity 11 and the vacuum actuator. In the embodiment, as shown in Figs. 10 and 11, the electric vacuum actuator is used to control the vacuum degree in the sealing cavity 11. Figure 11When the workpiece needs to be adsorbed and transferred, the control panel 25 controls the spool of the electromagnetic valve 27 to move, so that the air port Z273 of the electromagnetic valve 27 communicates with the air port X271 of the electromagnetic valve 27, at this time, the vacuum air generated by the electric vacuum pump 26 enters the sealed cavity 11 through the air port X271 of the electromagnetic valve 27, the air port Z273 of the electromagnetic valve 27 and the air port E12 of the sealed cavity 11 in turn, so that the vacuum state is formed in the adsorption device, and then the workpiece is adsorbed; when the workpiece needs to be released, the control panel 25 controls the spool of the electromagnetic valve 27 to move, so that the air port Z273 of the electromagnetic valve 27 communicates with the air port Y272 of the electromagnetic valve 27, at this time, the external air enters the sealed cavity 11, so that the vacuum state of the adsorption device is destroyed, and then the workpiece is released by the adsorption device. In the embodiment, the vacuum detection sensor 28 can detect the vacuum degree in the sealed cavity 11 in the process of adsorbing and releasing the workpiece in real time, and feed back to the control panel 25; the control panel 25 can adjust the working parameters of the electric vacuum pump 26 according to the real-time data, so as to ensure the stability of the vacuum actuator device in the process of adsorbing and releasing the workpiece.

[0051] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An electrically powered vacuum actuator device, characterized by: The utility model provides a workboard assembly (1) is provided with a plurality of electric vacuum actuators on the top, and is provided with an adsorption device below, and the workboard assembly (1) has a hollow sealing cavity (11), the electric vacuum actuators act on the adsorption device through the sealing cavity (11) to control the adsorption device to adsorb workpieces, and the sealing cavity (11) is formed with a region corresponding to the position of each electric vacuum actuator, and each electric vacuum actuator is in communication with the corresponding region, and the adjacent two regions are in communication or isolation.

2. An electrically powered vacuum actuator device according to claim 1, characterised in that: All the regions are in communication or isolation.

3. An electrically powered vacuum actuator device according to claim 2, wherein: When all the regions are in communication, a first partition (114) is arranged at the joint of any adjacent two regions, a first gap (1141) is formed between the first partition (114) and the inner wall of the sealing cavity (11), and the adjacent two regions are in communication through the first gap (1141).

4. An electrically powered vacuum actuator device according to claim 2, wherein: When all the regions are in isolation, a second partition (115) is arranged at the joint of any adjacent two regions, and the adjacent two regions are isolated through the second partition (115).

5. An electrically powered vacuum actuator device according to claim 3 or 4, characterised in that: A third partition (116) is further arranged in each region, a second gap (1161) is formed between the third partition (116) and the inner wall of the sealing cavity (11), and the internal space of each region is in communication through the second gap (1161).

6. An electrically powered vacuum actuator device according to claim 5, characterised in that: The workboard assembly (1) comprises a sealing cover plate (14), a partition (15) and an adsorption plate (16) which are sequentially sealed and attached from top to bottom, the sealing cover plate (14), the partition (15) and the adsorption plate (16) cooperate to form the sealing cavity (11), the adsorption plate (16) is provided with a gas port F (13) for communicating the sealing cavity (11) and the adsorption device, and the gas port F (13) comprises a large-diameter hole section (131) close to the lower surface of the adsorption plate (16) and a small-diameter hole section (132) close to the upper surface of the adsorption plate (16).

7. An electrically powered vacuum actuator device according to claim 6, characterised in that: A blocking ball (3) is arranged in the large-diameter hole section (131) of the gas port F (13) and can move up and down, the diameter of the blocking ball (3) is slightly smaller than the diameter of the large-diameter hole section (131) of the gas port F (13) and larger than the diameter of the small-diameter hole section (132) of the gas port F (13).

8. An electrically powered vacuum actuator device according to claim 7, characterised in that: The adsorption device is a bowl-shaped suction cup (4) corresponding to the gas port F (13), or the adsorption device is a sponge suction cup (5) attached to the adsorption plate (16), and the sponge suction cup (5) is provided with an adsorption hole (51) corresponding to the gas port F (13).

9. An electrically powered vacuum actuator device according to claim 6, wherein: The sealing cover plate (14) is provided with a gas port E (12) for connecting the sealing cavity (11) and the electric vacuum actuator; the electric vacuum actuator comprises a shell (24), a control board (25) is installed in the shell (24), an electric vacuum pump (26), an electromagnetic valve (27) and a vacuum detection sensor (28) are electrically connected with the control board (25), a gas port G (261) of the electric vacuum pump (26) is communicated with a gas port X (271) of the electromagnetic valve (27), a gas port Y (272) of the electromagnetic valve (27) is communicated with the atmosphere, a gas port Z (273) of the electromagnetic valve (27) is communicated with the gas port E (12) of the working plate assembly (1), the control board (25) controls the gas port Z (273) of the electromagnetic valve (27) to be communicated with the gas port X (271) of the electromagnetic valve (27) or the gas port Y (272) of the electromagnetic valve (27); the vacuum detection sensor (28) is used for detecting the vacuum degree in the sealing cavity (11).

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