CN114192348A

CN114192348A - Dispensing controller

Info

Publication number: CN114192348A
Application number: CN202111645281.2A
Authority: CN
Inventors: 黄清耀; 苏增朗
Original assignee: Xiamen Weishengbang Fluid Technology Co ltd
Current assignee: Xiamen Weishengbang Fluid Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-03-18

Abstract

The invention relates to a dispensing controller, which can comprise a square shell, a control panel, a circuit board, a positive pressure adjusting gas circuit and a negative pressure adjusting gas circuit, wherein the shell is provided with a gas inlet, a gas outlet and an I/O communication interface, the circuit board, the positive pressure adjusting gas circuit and the negative pressure adjusting gas circuit are arranged in the shell, the positive pressure adjusting gas circuit and the negative pressure adjusting gas circuit are connected between the gas inlet and the gas outlet in parallel, corresponding control valves of the positive pressure adjusting gas circuit and the negative pressure adjusting gas circuit are electrically connected with the circuit board so as to enable the gas outlet to realize positive pressure or negative pressure output, and the gas outlet is connected to a corresponding gas interface of a dispensing valve through a gas pipe. This controller is glued to point compact structure adjusts the gas circuit through setting up malleation and negative pressure, can accurate control point on the one hand and glue required pressure, and then realize accurate point and glue, and on the other hand can avoid leaking to glue and wire drawing phenomenon, improves and glues the quality.

Description

Dispensing controller

Technical Field

The invention relates to the field of dispensing equipment, in particular to a dispensing controller.

Background

Dispensing, also called glue applying, glue spreading, glue pouring, glue dripping and the like, is to paint, encapsulate and drip electronic glue, oil or other liquid on a product, so that the product has the functions of pasting, encapsulating, insulating, fixing, surface smoothing and the like. To realize accurate dispensing, a dedicated dispensing controller needs to be designed.

Disclosure of Invention

The invention aims to provide a dispensing controller to realize accurate dispensing. Therefore, the invention adopts the following specific technical scheme:

a dispensing controller comprises a square casing, a control panel, a circuit board, a positive pressure regulating gas circuit and a negative pressure regulating gas circuit, the shell is provided with an air inlet, an air outlet and an I/O communication interface, the circuit board, the positive pressure adjusting air passage and the negative pressure adjusting air passage are arranged in the shell, the positive pressure adjusting gas circuit and the negative pressure adjusting gas circuit are connected in parallel between the gas inlet and the gas outlet, and the corresponding control valves of the positive pressure adjusting air passage and the negative pressure adjusting air passage are electrically connected with the circuit board, so that the air outlet realizes positive pressure or negative pressure output, the air outlet is connected to a corresponding air interface of the dispensing valve through an air pipe, the I/O communication interface is electrically connected with the circuit board, the control panel is arranged on the front surface of the shell and is electrically connected with the circuit board.

Further, the air inlet and the air outlet are respectively arranged on the front surface and the back surface of the shell.

Further, the positive pressure adjusting gas circuit comprises a first electromagnetic switch valve, a first adjusting valve and a first electromagnetic three-way valve, the first electromagnetic switch valve is connected in series between the gas inlet and the inlet of the first adjusting valve, the outlet of the first adjusting valve is connected to the inlet of the first electromagnetic three-way valve, the first outlet of the first electromagnetic three-way valve is communicated with the gas outlet fluid, the second outlet of the first electromagnetic three-way valve is connected with a first silencing port through a gas pipe, and the first silencing port is arranged on the back face of the shell.

Further, the negative pressure adjusting gas circuit comprises a second electromagnetic switch valve, a second adjusting valve and a vacuum generator, the second electromagnetic switch valve is connected between the gas inlet and an inlet of the second adjusting valve in series, an outlet of the second adjusting valve is connected to an inlet of the vacuum generator, a vacuum outlet of the vacuum generator is communicated with the gas outlet in a fluid mode, a silencing outlet is connected with a second silencing port through a gas pipe, and the second silencing port is arranged on the back face of the shell.

Further, the vacuum outlet, the first outlet and the air outlet are connected by a three-way connector.

Further, the first sound-deadening port is located above the second sound-deadening port.

Further, the left and right sides of the upper surface and the lower surface of the shell are chamfered by 45 degrees.

Further, the control panel includes a display screen and a plurality of function keys.

Furthermore, an RS232C communication interface is respectively arranged on the front surface and the back surface of the shell.

Further, a spare air outlet is further arranged on the back face of the shell, and the spare air outlet is communicated with the air outlet in a fluid mode and is blocked when the shell is used.

By adopting the technical scheme, the invention has the beneficial effects that: this controller is glued to point compact structure adjusts the gas circuit through setting up malleation and negative pressure, can accurate control point on the one hand and glue required pressure, and then realize accurate point and glue, and on the other hand can avoid leaking to glue and wire drawing phenomenon, improves and glues the quality.

Drawings

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

FIG. 1 is a front perspective view of a dispensing controller of the present invention;

fig. 2 is a rear perspective view of the dispensing controller shown in fig. 1;

FIG. 3 is another perspective view of the dispensing controller shown in FIG. 1 with portions of the housing removed to show internal structure;

fig. 4 is a layout diagram of a control panel of the dispensing controller shown in fig. 1.

Detailed Description

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present application, the terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships that are based on the orientation shown in the drawings, are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 4, a dispensing controller may include a square housing 1, a control panel 2, a circuit board 3, a positive pressure adjusting air passage, a negative pressure adjusting air passage, and the like. The housing 1 includes a base 11 and an upper cover 12, and the upper cover 12 is fixed to the base 11 by screws. The bottom of the base 11 is provided with four foot pads 10. The left and right sides of the upper surface and the lower surface of the shell 1 are chamfered at 45 degrees, so that the appearance is more attractive. The front face of the shell 1 is provided with an air outlet 13, an RS232C interface 14, a power switch 15 and a control panel 2. The air outlet 13 can be connected to a corresponding air interface of the dispensing valve through an air pipe so as to improve the dispensing driving force. The RS232C interface 14 is used for communicating with a control system of the dispensing apparatus to realize dispensing control. The power switch 15 is used for turning on and off the power supply of the dispensing controller. The control panel 2 has a display 20 and associated function keys. Specifically, the layout of the control panel 2 is shown in fig. 4, and the names and functions of the function keys are shown in table 1 below. The back of the housing 1 is provided with an air inlet 16, two muffling ports (a first muffling port 17a and a second muffling port 17b), a spare air outlet 13 ', an I/O communication interface (25 pin parallel port) 18, a four-core I/

O metal socket

19 and 1 RS232C interface 14'. Wherein the gas inlet 16 is adapted to be connected to a gas source. The first silencing port 17a and the second silencing port 17b are used for silencing exhaust of the positive pressure adjusting air passage and the negative pressure adjusting air passage respectively. The alternate outlet 13' is in fluid communication with the outlet 13 and one of them is blocked in use. That is, when the air outlet 13 is in use, the spare air outlet 13 'is blocked, and when the spare air outlet 13' is in use, the air outlet 13 is blocked. In the present embodiment, the first silencing port 176a, the second silencing port 17b and the spare air outlet 13' are aligned in a row from top to bottom. An I/O communication interface (25 pin parallel port) 18 is electrically connected to the circuit board 3 for inputting and outputting various signals related to the dispensing operation. The four-core I/O metal socket 19 is electrically connected to the circuit board 3 for signal input and output in connection with ejection. The RS232C interface 14' is used for R232C communication. In addition, a power socket 110 and a fuse mounting seat 111 are provided on the back surface of the housing 1.

TABLE 1 function Key List

The circuit board 3, the positive pressure adjusting air passage and the negative pressure adjusting air passage are installed in the shell 1. The circuit board 3 includes a main board 31 and a power board 32, the main board 31 includes an MCU and a memory to realize the automatic dispensing operation, and the power board 32 is used to provide the dc and ac power required by the dispensing controller. The positive pressure adjusting air passage and the negative pressure adjusting air passage are connected in parallel between the air inlet 16 and the air outlet 13, and corresponding control valves of the positive pressure adjusting air passage and the negative pressure adjusting air passage are electrically connected with the circuit board 4, so that the air outlet 13 realizes positive pressure or negative pressure output.

Specifically, the positive pressure regulating gas circuit may include a first electromagnetic switch valve 41, a first regulating valve 42, and a first electromagnetic three-way valve 43, wherein the first electromagnetic switch valve 41 is connected in series between the gas inlet 16 and an inlet of the first regulating valve 42 to implement the gas inlet control. An outlet of the first regulating valve 42 is connected to an inlet of the first electromagnetic three-way valve 43, a first outlet of the first electromagnetic three-way valve 43 is in fluid communication with the air outlet 13 and a second outlet is connected to the first sound-deadening port 17a through an air pipe. The first electromagnetic on-off valve 41, the first regulating valve 42, and the first electromagnetic three-way valve 43 are all electrically connected to the circuit board 4, i.e., can be controlled by a program. It should be understood that the positive pressure regulating gas circuit is provided with a corresponding pressure sensor to realize the pressure regulation of the positive pressure regulating gas circuit. Through malleation regulation gas circuit, can accurate control point pressure of gluing, realize accurate point and glue the quality with improving.

The negative pressure regulating gas circuit may include a second electromagnetic switch valve 51, a second regulating valve 52 and a vacuum generator 53, wherein the second electromagnetic switch valve 51 is connected in series between the gas inlet 16 and an inlet of the second regulating valve 52, an outlet of the second regulating valve 52 is connected to an inlet of the vacuum generator 53, a vacuum outlet of the vacuum generator 53 is in fluid communication with the gas outlet 13, and a noise reduction outlet is connected to the second noise reduction port 17b through a gas pipe. The second electromagnetic switch valve 51, the second regulating valve 52 and the vacuum generator 53 are all electrically connected to the circuit board 4, i.e., can be controlled by a program. It should be understood that a corresponding pressure sensor is installed on the negative pressure regulating air passage to realize the pressure regulation of the negative pressure regulating air passage. The air circuit is adjusted through negative pressure, the problems of glue water leakage and wire drawing can be avoided, and the glue dispensing quality is improved.

The first and

second regulating valves

42, 52 are commercially available proportional valves. For the convenience of connection, the vacuum outlet of the vacuum generator 53, the first outlet of the first electromagnetic three-way valve 43 and the air outlet 13 are connected by a three-way connector 6. In addition, an air tank 7 is provided in the housing 1, and an inlet of the air tank 7 is communicated with the air inlet 16, and an outlet thereof is communicated with inlets of the first electromagnetic opening/closing valve 41 and the second electromagnetic opening/closing valve 51. Namely, the air tank 7 is connected in series between the air inlet 16 and the positive pressure adjusting air passage and the negative pressure adjusting air passage. Through setting up gas holder 7, can play the effect of stabilizing the gas circuit, avoid the undulant influence of air supply.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A dispensing controller is characterized by comprising a square shell, a control panel, a circuit board, a positive pressure adjusting air passage and a negative pressure adjusting air passage, the shell is provided with an air inlet, an air outlet and an I/O communication interface, the circuit board, the positive pressure adjusting air passage and the negative pressure adjusting air passage are arranged in the shell, the positive pressure adjusting gas circuit and the negative pressure adjusting gas circuit are connected in parallel between the gas inlet and the gas outlet, and the corresponding control valves of the positive pressure adjusting air passage and the negative pressure adjusting air passage are electrically connected with the circuit board, so that the air outlet realizes positive pressure or negative pressure output, the air outlet is connected to a corresponding air interface of the dispensing valve through an air pipe, the I/O communication interface is electrically connected with the circuit board, the control panel is arranged on the front surface of the shell and is electrically connected with the circuit board.

2. The dispensing controller of claim 1, wherein the air inlet and the air outlet are disposed on a front side and a back side of the housing, respectively.

3. The dispensing controller of claim 1, wherein the positive pressure regulating air path comprises a first solenoid on-off valve, a first regulating valve and a first solenoid three-way valve, the first solenoid on-off valve is connected in series between the air inlet and an inlet of the first regulating valve, an outlet of the first regulating valve is connected to an inlet of the first solenoid three-way valve, a first outlet of the first solenoid three-way valve is in fluid communication with the air outlet and a second outlet is connected to a first silencing port through an air pipe, and the first silencing port is disposed on a back surface of the housing.

4. The dispensing controller of claim 3, wherein the negative pressure regulating circuit comprises a second solenoid switch valve, a second regulating valve and a vacuum generator, the second solenoid switch valve is connected in series between the air inlet and an inlet of the second regulating valve, an outlet of the second regulating valve is connected to an inlet of the vacuum generator, a vacuum outlet of the vacuum generator is in fluid communication with the air outlet and a silencing outlet is connected to a second silencing port through an air pipe, and the second silencing port is arranged on the back surface of the housing.

5. The dispensing controller of claim 4, wherein the vacuum outlet, the first outlet and the air outlet are connected by a three-way connector.

6. The dispensing controller of claim 4, wherein the first sound deadening port is located above the second sound deadening port.

7. The dispensing controller of claim 1, wherein the left and right sides of the upper and lower surfaces of the housing are chamfered by 45 °.

8. The dispensing controller of claim 1, wherein the control panel comprises a display screen and a plurality of function keys.

9. The dispensing controller of claim 1, wherein the housing has an RS232C communication interface on each of the front and back sides.

10. The dispensing controller of claim 1, wherein the housing further comprises a back side having a backup air outlet, the backup air outlet being in fluid communication with the air outlet and one of the backup air outlets being blocked during use.