Mixing valve

Abstract

According to the mixing valve, when the mixing valve is used, a first control valve is used for controlling a corresponding cleaning liquid injection channel to be cut off, the end, communicated with the exterior of a body, of a glue injection channel is used for being connected with glue, different glue can be connected into different glue injection channels, and then the glue flows into a mixing cavity through the glue injection channels; the mixing of various glues in the mixing cavity is realized. After the mixing valve is used and glue mixing is not needed, one end, communicated to the outside of the body, of each cleaning liquid injection channel is used for receiving cleaning liquid, and the first control valve is controlled to enable the corresponding cleaning liquid injection channel to be communicated, so that the cleaning liquid flows into the glue injection channel and then flows into the mixing cavity along the glue injection channel. And the cleaning liquid can clean the glue injection channel and the mixing cavity, so that the glue is prevented from being condensed in the mixing valve. According to the mixing valve, a channel used for glue flowing in the mixing valve can be cleaned in time, and glue is prevented from being condensed in the mixing valve.

Description

Technical Field

[0001] The present application relates to the technical field of glue mixing, and in particular to a mixing valve. Background Art

[0002] In the process of automatic glue filling, two different glues need to be mixed to form mixed glue, such as foam glue, and the mixed glue is generally mixed using a mixing valve. For the mixing valve used to mix and form foam glue, since the foam glue will solidify quickly, in the mixing valve of the related art, since there is no way to clean the glue in the channel in time, the glue is prone to condensation in the valve body. Summary of the invention

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a mixing valve, which can timely clean the channel for glue flow in the mixing valve to prevent glue from condensing in the mixing valve.

[0004] A mixing valve according to an embodiment of the present application includes:

[0005] A body, wherein a mixing chamber, a plurality of glue injection channels and a plurality of cleaning liquid injection channels are provided inside the body, wherein the glue injection channels correspond to the cleaning liquid injection channels one by one, one end of the glue injection channel is connected to the mixing chamber, and the other end is connected to the outside of the body; one end of the cleaning liquid injection channel is connected to the corresponding glue injection channel, and the other end is connected to the outside of the body;

[0006] A plurality of first control valves are installed on the body, the first control valves are connected to the cleaning fluid injection channels one by one, and the first control valves are used to control the corresponding cleaning fluid injection channels to be cut off or conducted.

[0007] According to the mixing valve of the embodiment of the present application, at least the following beneficial effects are achieved: when using the mixing valve of the embodiment of the present application, the corresponding cleaning liquid injection channel is first controlled to be cut off by the first control valve, and one end of the glue injection channel connected to the outside of the body is used to connect glue, and different glue injection channels can connect different glues, and then the glue flows into the mixing chamber through the glue injection channel to achieve mixing of multiple glues in the mixing chamber. After the mixing valve is used, when there is no need to mix glue, one end of the cleaning liquid injection channel connected to the outside of the body is used to connect the cleaning liquid, and the first control valve is controlled to make the corresponding cleaning liquid injection channel conductive, so that the cleaning liquid flows into the glue injection channel, and then flows into the mixing chamber along the glue injection channel. In this way, the cleaning liquid can clean the glue injection channel and the mixing chamber to prevent glue from condensing in the mixing valve. Therefore, the mixing valve of the embodiment of the present application can timely clean the channel for glue flow in the mixing valve to prevent glue from condensing in the mixing valve.

[0008] According to some embodiments of the present application, a plurality of second control valves are further included, each of the second control valves corresponds to the glue injection channel one by one, and the plurality of second control valves are all installed on the main body, and the second control valves are used to control the corresponding glue injection channel to be cut off or conducted.

[0009] According to some embodiments of the present application, the second control valve is provided with a second pin, the glue injection channel includes a first through hole, a first channel section and a second channel section, the first channel section is connected with the second channel section through the first through hole, and the second control valve is used to drive the second pin to insert into or move away from the corresponding first through hole of the glue injection channel to cut off or conduct the first through hole.

[0010] According to some embodiments of the present application, the first control valve is provided with a first pin, the cleaning fluid injection channel includes a second through hole, a third channel section and a fourth channel section, the third channel section is connected to the outside of the main body, the fourth channel section is connected to the corresponding glue injection channel, and the third channel section is connected to the fourth channel section through the second through hole; the first control valve is used to drive the first pin to insert into or away from the corresponding second through hole of the cleaning fluid injection channel so that the second through hole is cut off or connected.

[0011] According to some embodiments of the present application, a tube plug is provided at the bottom of the second pin, and the tube plug is used to open or block the first through hole.

[0012] According to some embodiments of the present application, a stirring member is further included, which is movably installed in the mixing chamber and is used to stir the glue in the mixing chamber.

[0013] According to some embodiments of the present application, a side wall of the stirring member is provided with a plurality of notches, the plurality of notches are distributed at intervals along the circumference of the stirring member, and the notches penetrate the stirring member along the axial direction of the stirring member.

[0014] According to some embodiments of the present application, a plurality of annular grooves are provided on the side wall of the stirring member, and the plurality of annular grooves are spaced apart along the axial direction of the stirring member.

[0015] According to some embodiments of the present application, a first cone is provided on a surface of the stirring member opposite to the glue injection channel, and a cross-sectional area of ​​the first cone gradually decreases in a direction approaching the glue injection channel;

[0016] A second cone portion is provided on a side of the stirring member away from the glue injection channel, and a cross-sectional area of ​​the second cone portion gradually decreases in a direction away from the glue injection channel.

[0017] According to some embodiments of the present application, the side wall of the mixing chamber is provided with a plurality of protruding columns protruding toward the stirring member, and the protruding columns are located in the annular groove.

[0018] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present application is further described below with reference to the accompanying drawings and embodiments, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of a mixing valve according to an embodiment of the present application;

[0021] Figure 2 for Figure 1 A top view of the mixing valve in FIG.

[0022] Figure 3 for Figure 2 A cross-sectional view of the mixing valve in the AA direction;

[0023] Figure 4 for Figure 2 A cross-sectional view of the mixing valve in the BB direction;

[0024] Figure 5 for Figure 3 A schematic diagram of the structure of the stirring member of the mixing valve;

[0025] Figure 6 for Figure 5 A schematic structural diagram of the stirring member from another angle.

[0026] Reference numerals:

[0027] Main body 100; boss 101; cleaning liquid injection channel 110; second through hole 111; third channel section 112; fourth channel section 113; glue injection channel 120; first through hole 121; first channel section 122; second channel section 123; drive member 130; first control valve 140; first plug pin 141; second control valve 150; second plug pin 151; pipe plug 152; mixing chamber 160; stirring member 170; first cone 171; second cone 172; notch 173; annular groove 174. DETAILED DESCRIPTION

[0028] 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 cannot be understood as limiting the present application.

[0029] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In the description of this application, "several" means more than one, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0032] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0033] Reference Figures 1 to 6 The embodiment of the present application provides a mixing valve, including a body 100 and a plurality of first control valves 140. A mixing chamber 160, a plurality of glue injection channels 120 and a plurality of cleaning liquid injection channels 110 are provided inside the body 100. The glue injection channels 120 correspond to the cleaning liquid injection channels 110 one by one. One end of the glue injection channel 120 is connected to the mixing chamber 160, and the other end is connected to the outside of the body 100; one end of the cleaning liquid injection channel 110 is connected to the corresponding glue injection channel 120, and the other end is connected to the outside of the body 100; the plurality of first control valves 140 are all installed on the body 100, and the first control valves 140 are connected to the cleaning liquid injection channels 110 one by one. The first control valves 140 are used to control the corresponding cleaning liquid injection channels 110 to be cut off or conducted.

[0034] It is worth noting that when using the mixing valve of the embodiment of the present application, the corresponding cleaning liquid injection channel 110 is first controlled to be cut off by the first control valve 140, and one end of the glue injection channel 120 connected to the outside of the body 100 is used to connect glue, and different glue injection channels 120 can connect different glues, and then the glue flows into the mixing chamber 160 through the glue injection channel 120, so as to achieve the mixing of multiple glues in the mixing chamber 160. After the use of the mixing valve is completed, when there is no need to mix the glue, the one end of the cleaning liquid injection channel 110 connected to the outside of the body 100 is used to connect the cleaning liquid, and the first control valve 140 is controlled to make the corresponding cleaning liquid injection channel 110 conductive, so that the cleaning liquid flows into the glue injection channel 120, and then flows into the mixing chamber 160 along the glue injection channel 120, so that the cleaning liquid can clean the glue injection channel 120 and the mixing chamber 160, and prevent the glue from condensing in the mixing valve. Therefore, the mixing valve of the embodiment of the present application can timely clean the channel for glue flow and the mixing chamber 160 in the mixing valve, and prevent the glue from condensing in the mixing valve.

[0035] It should be noted that the cleaning liquid can be clean water or other liquids used for cleaning.

[0036] In one embodiment, referring to Figures 1 to 4 , the mixing valve is used for mixing two kinds of glue, then the number of the glue injection channels 120, the number of the cleaning liquid injection channels 110 and the number of the first control valves 140 are all 2. The mixing chamber 160 is located at the bottom of the body 100, the two glue injection channels 120 are located above the mixing chamber 160, and the two glue injection channels 120 are symmetrically arranged, one opening of the glue injection channel 120 is arranged on the side wall of the body 100 for receiving glue, and the other opening of the glue injection channel 120 is located inside the body 100 for communicating with the mixing chamber 160. The two cleaning liquid injection channels 110 are located above the mixing chamber 160, and the two cleaning liquid injection channels 110 are symmetrically arranged, one opening of the cleaning liquid injection channel 110 is located on the side wall of the body 100 for receiving cleaning liquid, and the other opening of the cleaning liquid injection channel 110 is arranged on the side wall of the corresponding glue injection channel 120 for communicating with the glue injection channel 120.

[0037] In one embodiment, the mixing valve further includes a plurality of second control valves 150, each of which corresponds to the glue injection channel 120. The plurality of second control valves 150 are all installed on the body 100, and the second control valves 150 are used to control the corresponding glue injection channel 120 to be cut off or turned on. When it is necessary to mix glue, the second control valve 150 turns on the corresponding glue injection channel 120, so that each glue injection channel 120 can guide the external glue to the mixing chamber 160 and mix in the mixing chamber 160. When it is not necessary to mix glue, the second control valve 150 controls the corresponding glue injection channel 120 to be cut off.

[0038] In one embodiment, referring to Figure 2and Figure 4 The first control valve 140 is provided with a first needle 141. The first control valve 140 is a pneumatic needle valve or an electric needle valve. The first control valve 140 can drive the first needle 141 to cut off or open the corresponding cleaning liquid injection channel 110.

[0039] In one embodiment, referring to Figure 2 and Figure 3 The second control valve 150 is provided with a second plug needle 151. The second control valve 150 may be a pneumatic needle valve or an electric needle valve. The second control valve 150 may drive the second plug needle 151 to cut off or open the corresponding glue injection channel 120.

[0040] In one embodiment, referring to Figure 3 , the glue injection channel 120 includes a first through hole 121, a first channel section 122 and a second channel section 123. The first channel section 122 and the second channel section 123 are connected through the first through hole 121. The second control valve 150 is used to drive the second pin 151 to be inserted into or away from the first through hole 121 of the corresponding glue injection channel 120, so that the first through hole 121 is cut off or turned on. Specifically, the first channel section 122 is connected to the outside of the body 100, and the second channel section 123 is connected to the mixing chamber 160. When the second control valve 150 drives the second pin 151 away from the first through hole 121 of the corresponding glue injection channel 120, the first through hole 121 is turned on, and the first channel section 122 and the second channel section 123 are connected, and the glue can flow through the first channel section 122, the first through hole 121, and the second channel section 123 in sequence and then flow into the mixing chamber 160. When the second control valve 150 drives the second insertion needle 151 to insert into the first through hole 121 of the corresponding glue injection channel 120 , the first through hole 121 is blocked, and the first channel section 122 and the second channel section 123 are blocked.

[0041] In one embodiment, referring to Figure 3 , the cross-sectional area of ​​the first through hole 121 is greater than the cross-sectional area of ​​the second pin 151, so the second pin 151 cannot block the first through hole 121 of the glue injection channel 120, so a plug 152 is sleeved at the bottom of the second pin 151, and the plug 152 is used to open or block the first through hole 121. Exemplarily, the cross-sectional area of ​​the plug 152 is equal to the cross-sectional area of ​​the glue injection channel 120, and when the second pin 151 drives the plug 152 to insert into the first through hole 121 of the corresponding glue injection channel 120, the glue injection channel 120 can be blocked.

[0042] In one embodiment, the cleaning liquid injection channel 110 includes a second through hole 111, a third channel section 112 and a fourth channel section 113. The third channel section 112 is connected to the outside of the body 100 for receiving cleaning liquid. The fourth channel section 113 is connected to the corresponding glue injection channel 120. The third channel section 112 and the fourth channel section 113 are connected through the second through hole 111. When the cleaning liquid needs to be injected, the first control valve 140 drives the first pin 141 away from the second through hole 111 of the corresponding cleaning liquid injection channel 110, and the second through hole 111 is connected, so that the third channel section 112 and the fourth channel section 113 are connected, so that the cleaning liquid flows through the third channel section 112, the second through hole 111 and the fourth channel section 113 in sequence and flows into the corresponding glue injection channel 120. When cleaning is not required, the first control valve 140 drives the first insertion needle 141 to be inserted into the corresponding second through hole 111 of the cleaning liquid injection channel 110, and the second through hole 111 is blocked, so that the third channel section 112 and the fourth channel section 113 are blocked.

[0043] In one embodiment, the mixing valve of the present application further includes a driving member 130 and a stirring member 170. The driving member 130 is disposed on the body 100, and the stirring member 170 is disposed on the mixing chamber 160. The driving member 130 is connected to the stirring member 170, and the driving member 130 is used to drive the stirring member 170 to rotate. The driving member 130 can be a driving motor, see Figure 2 and Figure 3 The driving motor is arranged on the main body 100, the mixing chamber 160 is arranged below the driving motor, and the glue injection channel 120 and the cleaning liquid injection channel 110 are arranged around the driving motor. The driving motor is used to drive the stirring member 170 to rotate. When the stirring member 170 rotates, the glue in the mixing chamber 160 is stirred to help mix various glues.

[0044] In one embodiment, referring to Figure 5 and Figure 6 The stirring member 170 is cylindrical, and a plurality of notches 173 are provided on the sidewall of the stirring member 170. The plurality of notches 173 are spaced apart along the circumference of the stirring member 170, and the notches 173 penetrate the stirring member 170 along the axial direction of the stirring member 170. The stirring member 170 is cylindrical, and the shape of the mixing chamber 160 is also cylindrical. The volume of the mixing chamber 160 is slightly larger than that of the stirring member 170. The plurality of notches 173 facilitate the flow of glue in the mixing chamber 160, and help stir and mix the glue.

[0045] In one embodiment, referring to Figure 4 and Figure 5The side wall of the stirring member 170 is provided with a plurality of annular grooves 174, and the plurality of annular grooves 174 are spaced apart along the axial direction of the stirring member 170. The plurality of annular grooves 174 can divide the stirring member 170 into a plurality of stirring blades spaced apart along the axial direction of the stirring member 170, thereby facilitating the mixing of the glue, so that the glue is mixed more fully in the mixing chamber 160.

[0046] In one embodiment, referring to Figure 5 and Figure 6 The first cone 171 is provided on the side of the stirring member 170 opposite to the glue injection channel 120, and the cross-sectional area of ​​the first cone 171 gradually decreases in the direction close to the glue injection channel 120; the second cone 172 is provided on the side of the stirring member 170 away from the glue injection channel 120, and the cross-sectional area of ​​the second cone 172 gradually decreases in the direction away from the glue injection channel 120. The first cone 171 is opposite to each glue injection channel 120, and the glue in the glue injection channel 120 flows along the first cone 171 to the notch 173 of the stirring member 170, which helps the glue flow in the mixing chamber 160, thereby helping the glue to mix. The second cone 172 facilitates the mixed glue to flow to the bottom of the mixing chamber 160.

[0047] In one embodiment, referring to Figure 1 The side wall of the mixing chamber 160 is provided with a plurality of protruding columns 101 protruding toward the stirring member 170, and the protruding columns 101 are located in the annular groove 174. During the rotation of the stirring member 170, the protruding columns 101 are located in the annular groove 174 so that the protruding columns 101 do not hinder the rotation of the stirring member 170. When the stirring member 170 drives the glue to rotate, the glue collides with the protruding columns 101, generating agitation, which helps to mix the glue.

[0048] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. A mixing valve, characterized in that: include: A body, wherein a mixing chamber, a plurality of glue injection channels and a plurality of cleaning liquid injection channels are provided inside the body, wherein the glue injection channels correspond to the cleaning liquid injection channels one by one, one end of the glue injection channel is connected to the mixing chamber, and the other end is connected to the outside of the body; one end of the cleaning liquid injection channel is connected to the corresponding glue injection channel, and the other end is connected to the outside of the body; A plurality of first control valves are installed on the body, the first control valves are connected to the cleaning fluid injection channels one by one, and the first control valves are used to control the corresponding cleaning fluid injection channels to be cut off or conducted.

2. The mixing valve according to claim 1, characterized in that: It also includes a plurality of second control valves, each of which corresponds to the glue injection channel one by one, and each of the plurality of second control valves is installed on the body, and the second control valves are used to control the corresponding glue injection channel to be cut off or conducted.

3. The mixing valve according to claim 2, characterized in that: The second control valve is provided with a second pin, and the glue injection channel includes a first through hole, a first channel section and a second channel section. The first channel section is connected to the second channel section through the first through hole. The second control valve is used to drive the second pin to insert into or move away from the corresponding first through hole of the glue injection channel to cut off or conduct the first through hole.

4. The mixing valve according to claim 1, characterized in that: The first control valve is provided with a first pin, and the cleaning liquid injection channel includes a second through hole, a third channel section and a fourth channel section, the third channel section is connected to the outside of the main body, the fourth channel section is connected to the corresponding glue injection channel, and the third channel section is connected to the fourth channel section through the second through hole; the first control valve is used to drive the first pin to insert into or move away from the corresponding second through hole of the cleaning liquid injection channel to cut off or conduct the second through hole.

5. The mixing valve according to claim 3, characterized in that: A tube plug is sleeved on the bottom of the second pin, and the tube plug is used to open or block the first through hole.

6. The mixing valve according to claim 1, characterized in that It also includes a stirring piece, which is movably mounted on the mixing chamber and is used to stir the glue in the mixing chamber.

7. The mixing valve according to claim 6, characterized in that The side wall of the stirring member is provided with a plurality of notches, the plurality of notches are distributed at intervals along the circumference of the stirring member, and the notches penetrate the stirring member along the axial direction of the stirring member.

8. The mixing valve according to claim 6, characterized in that The side wall of the stirring member is provided with a plurality of annular grooves, and the plurality of annular grooves are distributed at intervals along the axial direction of the stirring member.

9. The mixing valve according to claim 6, characterized in that A first cone is provided on a side of the stirring member opposite to the glue injection channel, and a cross-sectional area of ​​the first cone gradually decreases in a direction approaching the glue injection channel; A second cone portion is provided on a side of the stirring member away from the glue injection channel, and a cross-sectional area of ​​the second cone portion gradually decreases in a direction away from the glue injection channel.

10. The mixing valve according to claim 8, characterized in that The side wall of the mixing chamber is provided with a plurality of protruding columns protruding toward the stirring member, and the protruding columns are located in the annular groove.

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