阅读说明：本技术 具扩充功能的大容量真空控制装置 (Large capacity vacuum control device with expansion function ) 是由 游平政 宇威寰 于 2019-04-03 设计创作，主要内容包括：一种具扩充功能的大容量真空控制装置,由内部具输入口、吸入口及控气室的一控制装置连接一扩充底座后,配合具有进气室、吸气室及排气室的至少一个扩充件设置于该控制装置和该扩充底座之间,使扩充件内的数个真空产生器进行并联,让吸入口的流量得以倍数增加,且控气室内设置的真空发生二口二位阀与真空破坏二口二位阀分别形成第一阀门与第二阀门,透过设于控制装置外部的真空压力发生电磁阀,能控制由输入口经第一阀门的启闭形成真空、以及真空保持状态,通过减少持续输入压缩空气外,更能保持稳定的真空保持状态,且透过设于该控制装置外部的真空压力破坏电磁阀,能控制第二阀门的启闭快速解除真空保持状态。(A high-capacity vacuum controller with extended function is prepared as connecting a control unit with input port, suction inlet and air control chamber to an extended base, arranging at least one extended unit with air inlet chamber, air suction chamber and air exhaust chamber between said control unit and extended base to connect multiple vacuum generators in extended unit in parallel for increasing flow rate of suction inlet by multiple, forming the first valve and the second valve by vacuum generating two-port valve and vacuum breaking two-port valve in air control chamber, forming vacuum and vacuum holding state by opening and closing the first valve by vacuum pressure generating electromagnetic valve arranged outside control unit, reducing continuous input of compressed air to keep stable vacuum holding state and breaking electromagnetic valve by vacuum pressure arranged outside control unit, the opening and closing of the second valve can be controlled to quickly release the vacuum holding state.)

1. A large-capacity vacuum control device with expansion function comprises:

a control device (10), which has an input port (12), an intake port (13) and an air control chamber (11) inside, the air control chamber (11) can be set up by a two-port two-position valve (21) for vacuum generation and a two-port two-position valve (31) for vacuum destruction, and the control device (10) is externally provided with a vacuum generation solenoid valve (20) and a vacuum destruction solenoid valve (30) which are communicated with the air control chamber (11), and a vacuum pressure switch (40) for detecting the vacuum degree in the control device (10), characterized in that: the control device (10) is connected with an expansion base (60), at least one expansion piece (50) is arranged between the control device (10) and the expansion base (60), an air inlet chamber (51), an air suction chamber (52) and an air exhaust chamber (53) are arranged in the expansion piece (50), the side wall of the air inlet chamber (51) is provided with at least one vacuum generator (54) which penetrates through the air suction chamber (52) and the air exhaust chamber (53), the air exhaust chamber (53) is provided with a silencer (55) to form an air exhaust port (14), the input port (12) is communicated with the vacuum generation electromagnetic valve (20) to a first valve port (22) of the vacuum generation two-port two-position valve (21), the first valve port (22) is communicated with the air inlet chamber (51) to the air exhaust port (14), the input port (12) is communicated with the vacuum destruction electromagnetic valve (30) to a second valve port (32) of the vacuum destruction two-port two-position valve (31), the second valve port (32) is communicated with an energy-saving maintaining channel (41) with at least one check valve (411) to the suction port (13), and the suction chamber (52) can be matched with the check valve (411) and the energy-saving maintaining channel (41) to be communicated to the suction port (13).

2. An extended capability vacuum control device as claimed in claim 1, wherein the number of the extension pieces is 1 or 2.

3. The extended capability vacuum control device as claimed in claim 1, wherein the number of vacuum generators is 1 to 6.

4. The extended capability vacuum control device as claimed in claim 1, wherein the control device (10) comprises: a vacuum filter screen (131) arranged at the connection position of the suction inlet (13) and the control device (10).

Technical Field

The invention relates to a large-capacity vacuum control device with an expansion function, which can be connected with a plurality of vacuum generators in a parallel way through a combination means of an expansion base and an expansion piece so as to further improve the flow of a suction inlet, and can enable the suction inlet to form a vacuum holding state through a vacuum holding channel matched with a check valve to be closed, and can further enable a vacuum breaking electromagnetic valve to drive a vacuum breaking two-port two-position valve to open the check valve so as to quickly relieve the vacuum holding state of the suction inlet.

Background

In the development process of the current industrial automation, the pneumatic vacuum technology has been widely applied to various production lines, please refer to fig. 15, in which a vacuum generator (90) of the prior art includes a pneumatic source (91), an intake port (92), and an exhaust port (93), and its internal structure is quite simple, and its operation is to input compressed air from the pneumatic source (91) through the exhaust port (93) to exhaust, and to make the intake port (92) generate vacuum adsorption effect through the suction function, so as to achieve the purpose of adsorbing workpieces;

the vacuum generator (90) is a jet type vacuum generator (90), vacuum of a certain degree is generated through compressed air through a nozzle (94) arranged in an air pressure source (91), and according to the working principle of the vacuum generator, the vacuum generator can only reach the limit vacuum degree under higher supply pressure, has high air consumption and is not beneficial to the energy saving of a pneumatic system;

therefore, the subsequent vacuum generator (90) of the type approximately develops a high vacuum type and a high suction flow type, the former has a large curve slope, and the latter is flat; however, in the case of a nozzle (94) of a constant diameter, the suction flow rate must be reduced to obtain a high vacuum, while the pressure at the suction inlet must be increased to obtain a large suction flow rate; or a mode of designing more and expanding the pressure pipes can be adopted, and two three-stage pressure pipe type vacuum generators are connected in parallel, so that the suction flow can be doubled, but the consumption of compressed air can be doubled;

therefore, from the above analysis of the defects of the conventional vacuum generator, the present inventors have realized various problems in practical use, and in view of the above, through elaborate planning and design, the present inventors have integrated the design features of maintaining vacuum suction and reducing the consumption of compressed air to redesign a large-capacity vacuum control device with an expansion function, which can improve the existing technical problems and further increase the suction flow rate by combining the expansion parts.

Disclosure of Invention

The main objective of the present invention is to provide a large-capacity vacuum control device with an expansion function, which can increase the flow rate of the suction inlet by expanding the parallel connection mode, and can perform respective control of vacuum generation and vacuum destruction by using a vacuum generation solenoid valve and a vacuum destruction solenoid valve;

to achieve the above object, the present invention provides a large-capacity vacuum control device with extended functions, comprising: a control device is provided with an input port, a suction port and an air control chamber, the air control chamber can be provided with a vacuum generation two-port two-position valve and a vacuum destruction two-port two-position valve, the control device is externally provided with a vacuum generation electromagnetic valve and a vacuum destruction electromagnetic valve which are communicated with the air control chamber, and a vacuum pressure switch which detects the vacuum degree in the control device, the control device is connected with an expansion base, at least one expansion piece is arranged between the control device and the expansion base, the expansion piece is internally provided with an air inlet chamber, an air suction chamber and an exhaust chamber, the side wall of the air inlet chamber is provided with at least one vacuum generator which is communicated with the air suction chamber and the exhaust chamber, the exhaust chamber is provided with a silencer to form an exhaust port, the input port is communicated with the vacuum generation electromagnetic valve to a first valve port of the vacuum generation two-port two-position valve, and the first valve port is communicated with the air, the inlet communicates the vacuum breaking electromagnetic valve to a second valve gate of the vacuum breaking two-port two-position valve, the second valve gate communicates an energy-saving retaining channel with at least one check valve to the suction inlet, the suction chamber can be matched with the check valve and the energy-saving retaining channel to communicate with the suction inlet, the expansion piece is additionally arranged, the number of vacuum generators connected in parallel and the flow of the suction inlet can be increased by multiple, the energy-saving retaining channel is matched with the check valve to be closed, the suction inlet forms a vacuum retaining state, the vacuum breaking two-port two-position valve is driven by the vacuum breaking electromagnetic valve, the check valve can be opened, and the vacuum retaining state of the suction inlet can be quickly released.

Further, the number of the extension pieces is 1 or 2 at most.

Further, the number of the vacuum generators is 1 to 6.

Furthermore, the control device further comprises a vacuum filter screen arranged at the connection position of the suction inlet and the control device.

The large-capacity vacuum control device with the expansion function provided by the invention increases the flow of the suction inlet in an expansion parallel connection mode, and can respectively control the vacuum generation and the vacuum destruction actions by using the vacuum generation electromagnetic valve and the vacuum destruction electromagnetic valve.

Drawings

Fig. 1 is a perspective view of a large-capacity vacuum control device with extended functions according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a combination of a control device and an expansion unit in a large-capacity vacuum control device with an expansion function according to an embodiment of the present invention.

Fig. 3 is a schematic sectional view taken along the direction a-a in fig. 1.

Fig. 4 is a schematic cross-sectional view taken along the direction B-B in fig. 1.

Fig. 5a is a first cross-sectional view of an expansion piece of a large-capacity vacuum control device with expansion function in a ready state according to an embodiment of the present invention.

Fig. 5b is a second cross-sectional view of the expansion part of the large-capacity vacuum control device with expansion function in the ready state according to the embodiment of the present invention.

Fig. 5c is a cross-sectional view of the docking station of the large-capacity vacuum control apparatus with extended functions in the ready state according to the embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of a large-capacity vacuum control device with an extended function in a ready state according to an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a large-capacity vacuum control device with extended functions according to an embodiment of the present invention in a vacuum generating state.

Fig. 8a is a first cross-sectional view of an extended part of a large-capacity vacuum control device with extended functions in a vacuum generating state according to an embodiment of the present invention.

Fig. 8b is a second cross-sectional view of an extended part of the large-capacity vacuum control device with extended functions in a vacuum generating state according to the embodiment of the present invention.

Fig. 8c is a schematic cross-sectional view of an extended base of a large-capacity vacuum control device with extended functions in a vacuum generating state according to an embodiment of the present invention.

Fig. 9 is a schematic circuit diagram of a large-capacity vacuum control device with an extended function in a vacuum generation state according to an embodiment of the present invention.

Fig. 10 is a cross-sectional view of a large-capacity vacuum control device with extended functions according to an embodiment of the present invention in a vacuum-holding state.

Fig. 11 is a circuit diagram of a large-capacity vacuum control device with extended functions in a vacuum hold state according to an embodiment of the present invention.

FIG. 12 is a cross-sectional view of a large-capacity vacuum control device with extended functions according to an embodiment of the present invention in a vacuum-broken state.

Fig. 13a is a first cross-sectional view of an extended part of a large-capacity vacuum control device with extended functions in a vacuum failure state according to an embodiment of the present invention.

Fig. 13b is a second cross-sectional view of the extended part of the large-capacity vacuum control device with extended functions in the vacuum breaking state according to the embodiment of the present invention.

Fig. 13c is a cross-sectional view of the docking station of the large-capacity vacuum control apparatus with extended functions in a vacuum-broken state according to the embodiment of the present invention.

Fig. 14 is a circuit diagram of a large-capacity vacuum control device with extended functions in a vacuum failure state according to an embodiment of the present invention.

Fig. 15 is a schematic diagram of the prior art.

Description of reference numerals:

(10) .. control device

(11) .. air control chamber

(12) .. input port

(13) .. suction inlet

(131) .. vacuum filter screen

(14) .. discharge port

(20) .. vacuum generating electromagnetic valve

(21) .. two-port two-position valve for vacuum generation

(22) .. first valve port

(30) .. vacuum breaking electromagnetic valve

(31) .. vacuum break two-port two-position valve

(32) .. second valve doorway

(40) .. vacuum pressure switch

(41) .. energy-saving keeping channel

(411) .. check valve

(50) .. expansion piece

(51) .. air inlet chamber

(52) .. air suction chamber

(53) .. air exhaust chamber

(54) .. vacuum generator

(55) .. muffler

(60) .. expansion base

Detailed Description

The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.

First, referring to fig. 1 to 6, the present invention is a high-capacity vacuum control device with extended functions, which comprises: a control device 10, which has an input port 12, an intake port 13, and an air control chamber 11 therein, wherein the air control chamber 11 is mainly used for arranging a two-port two-position valve 21 for vacuum generation and a two-port two-position valve 31 for vacuum destruction, and a vacuum generation electromagnetic valve 20 and a vacuum destruction electromagnetic valve 30 which are communicated with the air control chamber 11, and a vacuum pressure switch 40 for detecting the vacuum degree in the control device 10 are arranged outside the control device 10, and it can be seen from fig. 1 that the vacuum generation electromagnetic valve 20 and the vacuum destruction electromagnetic valve 30 are arranged in parallel in the transverse direction;

from fig. 2, it can be seen that the control device 10 and the docking station 60 can rapidly adjust the suction amount of the suction port 13 to the most suitable requirement by adding the expansion piece 50 therein, and the structure of the related connection is not complicated;

referring to fig. 3-5, in combination with the section a-a, the section B-B, the lower expansion part 50 and the expansion base 60 of fig. 1, it can be seen that an input port 12 is disposed on the left side of the control device 10, the input port 12 communicates with the air control chamber 11 to an air inlet chamber 51, a suction port 13 is disposed above the control device 10, the suction port 13 and a vacuum pressure switch 40 are communicated to an energy-saving maintaining channel 41 in the control device 10, the vacuum pressure switch 40 is mainly opened or closed by a vacuum signal 401, at least one check valve 411 is disposed in the energy-saving maintaining channel 41, and the two check valves 411 are disposed in the present invention;

the expansion piece 50 is also provided with an air inlet chamber 51, the side wall of the air inlet chamber 51 is also provided with two vacuum generators 54 which penetrate through an air suction chamber 52 and an air exhaust chamber 53, the air exhaust chamber 53 is further provided with a silencer 55 to form an air exhaust port 14, the air inlet chamber 51, the air suction chamber 52 and the air exhaust chamber 53 are all arranged below the control device 10, and the connection of the expansion piece 50 and the expansion base 60 is provided, so that the vacuum generators 54 can increase the flow of the air suction port 13 in a plurality of parallel connection modes, the vacuum generation electromagnetic valve 20 and the vacuum destruction electromagnetic valve 30 are used for controlling the vacuum generation and the vacuum destruction respectively, and the connection part between the air suction port 13 and the control device 10 is further provided with a vacuum filter screen 131 for vacuum filtration;

fig. 6 is a circuit diagram of the present invention in the ready state, and it can be seen that the vacuum generating solenoid valve 20, the two-port vacuum two-position valve 21, the vacuum breaking solenoid valve 30, and the two-port vacuum two-position valve 31 are all closed and not activated.

Referring to fig. 7 to 9, in the vacuum generating state of the present invention, after the compressed air is input from the input port 12, the compressed air passes through the vacuum generating solenoid valve 20 via the two-port vacuum two-position valve 21, the vacuum generating solenoid valve 20 is pushed to move downward and open the first valve port 22, so that the compressed air can enter the air inlet chamber 51, and then the expansion piece 50 and the expansion base 60 provided in the present invention continuously flow, and finally the compressed air is discharged through the discharge port 14 provided in the muffler 55;

when passing through the air suction chamber 52, the vacuum pressure switch 40 is turned on to drive the air suction port 13 to suck atmospheric pressure from the outside of the control device 10, and the atmospheric pressure flows into the air suction chamber 52 through the check valve 411 via the energy-saving maintaining channel 41, so as to generate vacuum suction force for the air suction port 13, wherein the check valve 411 is provided in two pieces in the present invention, but the number thereof is not limited;

referring to fig. 10 to 11, when the vacuum generating state reaches the vacuum degree default target in the vacuum maintaining state, the vacuum generating two-port two-position valve 21 is turned from on to off, the vacuum generating electromagnetic valve 20 is also turned to off, the vacuum suction force in the energy-saving maintaining channel 41 is turned off by the check valve 411 and the vacuum pressure switch 40, so that the suction port 13 can still maintain the state of sucking the workpiece, and compressed air does not need to be continuously supplied to maintain vacuum, thereby achieving the purpose of saving energy;

referring to fig. 12 to 14, in the vacuum breaking state, when the vacuum maintaining state needs to be broken, the present invention pushes the vacuum breaking solenoid valve 30 to displace downward and open the second valve port 32 after the compressed air flows from the vacuum breaking two-port two-position valve 31 to the vacuum breaking solenoid valve 30, so that the compressed air can pass through the energy saving maintaining channel 41 and the air inlet chamber 51 and be discharged from the air inlet 13 and the air outlet 14, respectively, to release the vacuum breaking state;

in summary, the present invention provides a large-capacity vacuum control device with expansion function, which mainly uses the control device 10 in conjunction with the expansion base 60 to increase or decrease the expansion piece 50 according to the required suction amount, so that the vacuum generator 54 can be used in parallel to increase the flow rate of the suction inlet 13 by multiple, and two loops are formed by using the vacuum generating solenoid valve 20 in conjunction with the vacuum generating two-port two-position valve 21 and the vacuum breaking solenoid valve 30 in conjunction with the vacuum breaking two-port two-position valve 31 to respectively control vacuum generation and breaking, thereby obtaining the effect of vacuum energy saving, so that the suction inlet 13 can perform corresponding actions without continuously inputting a large amount of compressed air when adsorbing a workpiece.

The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.