High-pressure large-flow glue valve

Abstract

The utility model discloses a high-pressure large-flow glue valve which comprises a valve body, a glue back-suction cavity, a first glue injection channel and a second glue injection channel are arranged in the valve body, the glue back-suction cavity is communicated with the first glue injection channel, and the glue back-suction cavity is communicated with the second glue injection channel; the colloid resorption mechanism comprises a resorption driving device and a resorption piston, and the resorption driving device is fixedly connected with the resorption piston; the first glue injection device comprises a first glue injection pipeline and a first glue injection valve, and the first glue injection pipeline is communicated with the first glue injection channel; the second glue injection device comprises a second glue injection pipeline and a second glue injection valve, and the second glue injection pipeline is communicated with the second glue injection channel; the mixing pipe is connected with the valve body, the mixing pipe is communicated with the first glue injection channel, and the mixing pipe is communicated with the second glue injection channel. According to the utility model, the problem that the glue dripping phenomenon occurs after the glue coating is stopped can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue valves, in particular to a high-pressure and large-flow glue valve. Background Art

[0002] With the advancement of science and technology, new energy vehicles have emerged, and the quality requirements for products such as automotive batteries are getting higher and higher. The requirements for the production equipment and production lines of battery products are also becoming more and more stringent. The glue coating area of ​​the glue coating equipment is also gradually increasing, and the glue coating amount control is becoming more and more stringent; existing conventional valves such as: needle glue valves commonly used in the field of screw glue coating (low glue coating amount, thinner glue coating line diameter), gear glue valves commonly used in the field of small household appliance plastics (used when there is no particle glue, the glue coating amount is medium, and there is glue dripping after stopping glue coating), screw glue valves (used when there is micro-particle glue, the glue coating amount is medium, and there is glue dripping after stopping glue coating), etc. can no longer meet the market's use requirements, and then develop a large-flow pressure-resistant glue valve that meets market needs. Utility Model Content

[0003] The utility model provides a high-pressure and large-flow glue valve, which can solve the problem of glue dripping after glue coating is stopped.

[0004] In order to solve the above technical problems, the utility model provides a high-pressure and high-flow rubber valve, which is characterized by comprising:

[0005] A valve body, wherein a colloid re-sucking cavity, a first glue injection channel and a second glue injection channel are arranged inside the valve body, the colloid re-sucking cavity is communicated with the first glue injection channel, and the colloid re-sucking cavity is communicated with the second glue injection channel;

[0006] A colloid suction mechanism, wherein the colloid suction mechanism comprises a suction drive device and a suction piston, wherein the suction drive device is fixedly connected to the suction piston, and the suction piston is inserted into the colloid suction cavity, and the suction drive device can drive the suction piston to move in the colloid suction cavity;

[0007] a first glue injection device, the first glue injection device comprising a first glue injection pipeline and a first glue injection valve, the first glue injection pipeline is connected to the first glue injection channel, and the first glue injection valve is used to open and close the first glue injection pipeline;

[0008] A second glue injection device, the second glue injection device comprising a second glue injection pipeline and a second glue injection valve, the second glue injection pipeline is connected to the second glue injection channel, and the second glue injection valve is used to open and close the second glue injection pipeline;

[0009] A mixing tube, wherein the mixing tube is connected to the valve body, the mixing tube is communicated with the first glue injection channel, and the mixing tube is communicated with the second glue injection channel.

[0010] As a preferred embodiment of the above technical solution, the back-suction driving device is a driving cylinder, and the driving cylinder can drive the back-suction piston to move to the first position and the second position in the colloid back-suction cavity.

[0011] As a preferred embodiment of the above technical solution, the colloid back-suction cavity further includes a back-suction channel, the colloid back-suction cavity is connected with the first glue injection channel through the back-suction channel, and the colloid back-suction cavity is connected with the second glue injection channel through the back-suction channel.

[0012] As a preferred embodiment of the above technical solution, there are two colloid back-suction cavities, which are respectively connected to the first glue injection channel and the second glue injection channel, and there are two back-suction pistons, which are respectively inserted into the two colloid back-suction cavities.

[0013] As a preferred embodiment of the above technical solution, the colloid suction mechanism further includes a mounting plate, the suction piston is mounted on the mounting plate, and the suction drive device is connected to the mounting plate.

[0014] As a preferred embodiment of the above technical solution, the first glue injection valve is an air actuator, and the second glue injection valve is an air actuator.

[0015] As a preferred embodiment of the above technical solution, a connecting protrusion is provided at the lower part of the valve body, the first glue injection channel and the second glue injection channel are provided in the connecting protrusion, and the top end of the mixing tube extends outward and upward to form a connecting portion, and the connecting portion is sleeved on the connecting protrusion.

[0016] As a preferred embodiment of the above technical solution, the high-pressure and high-flow rubber valve further includes a mixing protection tube, and the mixing tube is inserted in the mixing protection tube.

[0017] As a preferred embodiment of the above technical solution, the mixing protection tube further includes a connecting nut, the mixing protection tube is connected to the connecting protrusion via the connecting nut, and the connecting portion of the mixing tube is arranged in the connecting nut.

[0018] As a preferred embodiment of the above technical solution, the high-pressure and high-flow rubber valve also includes a fixing plate, the valve body is mounted on the fixing plate, a mixing tube fixing seat is also provided on the fixing plate, and the mixing protection tube is inserted on the mixing tube fixing seat.

[0019] The utility model provides a high-pressure and large-flow glue valve, comprising: a valve body, a glue back-suction mechanism, a first glue injection device, a second glue injection device and a mixing tube. When injecting glue, the first glue injection valve and the second glue injection valve are opened, so that glue A and glue B flow from the first glue injection tube and the second glue injection tube into the first glue injection channel and the second glue injection channel of the valve body respectively, and flow into the mixing tube for mixing. After the glue A and glue B are mixed in the mixing tube, glue is discharged from the mixing tube; after the glue coating is completed, the first glue injection valve and the second glue injection valve are closed, the first glue injection tube and the second glue injection tube stop discharging glue, and the back-suction driving device drives the back-suction piston to move, so that negative pressure is formed in the glue back-suction cavity, and under the action of the air pressure, the The colloid in the first glue injection tube and the second glue injection tube is sucked back into the colloid sucking back cavity, and the colloid in the mixing tube is sucked back into the first glue injection channel and the second glue injection channel, so as to prevent the colloid in the mixing tube from dripping. When the next glue is discharged, the sucking back drive device is reset, and the A and B glues in the colloid sucking back cavity are squeezed back into the first glue injection tube and the second glue injection tube, and the first glue injection valve and the second glue injection valve are started to start glue injection. By setting the colloid sucking back mechanism, the dripping of the colloid in the mixing tube is suppressed by air pressure, so as to prevent glue dripping. Moreover, since no gear structure and screw structure are used, the colloid can be used when the glue contains larger particles, thereby improving the scope of application.

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a high-pressure and high-flow rubber valve in an embodiment of the utility model;

[0022] Figure 2 It is a structural schematic diagram of a valve body, a colloid suction mechanism and a mixing tube of a high-pressure and high-flow glue valve in an embodiment of the utility model;

[0023] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0024] Figure 4 This is a structural schematic diagram of a valve body of a high-pressure and high-flow rubber valve in an embodiment of the utility model;

[0025] In the figure: 1. valve body; 2. colloid suction mechanism; 3. first glue injection device; 4. second glue injection device; 5. mixing tube; 6. fixing plate; 101. colloid suction chamber; 102. first glue injection channel; 103. second glue injection channel; 104. suction channel; 105. connecting protrusion; 201. suction drive device; 202. suction piston; 203. mounting plate; 301. first glue injection pipeline; 302. first glue injection valve; 401. second glue injection pipeline; 402. second glue injection valve; 501. connecting part; 502. mixing protection tube; 503. connecting nut; 601. mixing tube fixing seat. DETAILED DESCRIPTION

[0026] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 4 The utility model provides a high-pressure and high-flow glue valve, which is characterized by comprising:

[0028] A valve body 1, wherein a colloid back-suction cavity 101, a first glue injection channel 102 and a second glue injection channel 103 are arranged inside the valve body 1, wherein the colloid back-suction cavity 101 is communicated with the first glue injection channel 102, and the colloid back-suction cavity 101 is communicated with the second glue injection channel 103;

[0029] The colloid back-suction mechanism 2 includes a back-suction driving device 201 and a back-suction piston 202. The back-suction driving device 201 is fixedly connected to the back-suction piston 202. The back-suction piston 202 is inserted in the colloid back-suction cavity 101. The back-suction driving device 201 can drive the back-suction piston 202 to move in the colloid back-suction cavity 101.

[0030] A first glue injection device 3, the first glue injection device 3 comprises a first glue injection pipeline 301 and a first glue injection valve 302, the first glue injection pipeline 301 is connected to the first glue injection channel 102, and the first glue injection valve 302 is used to open and close the first glue injection pipeline 301;

[0031] A second glue injection device 4, the second glue injection device 4 comprises a second glue injection pipeline 401 and a second glue injection valve 402, the second glue injection pipeline 401 is connected to the second glue injection channel 103, and the second glue injection valve 402 is used to open and close the second glue injection pipeline 401;

[0032] A mixing tube 5 , wherein the mixing tube 5 is connected to the valve body 1 , the mixing tube 5 is communicated with the first glue injection channel 102 , and the mixing tube 5 is communicated with the second glue injection channel 103 .

[0033] The utility model embodiment provides a high-pressure and large-flow glue valve, including: a valve body 1, a glue back-suction mechanism 2, a first glue injection device 3, a second glue injection device 4 and a mixing tube 5. When injecting glue, the first glue injection valve 302 and the second glue injection valve 402 are opened, so that A glue and B glue flow from the first glue injection tube and the second glue injection tube into the first glue injection channel 102 and the second glue injection channel 103 of the valve body 1 respectively, and flow into the mixing tube 5 to be mixed. After the A glue and B glue are mixed in the mixing tube 5, the glue is discharged from the mixing tube 5; after the glue coating is completed, the first glue injection valve 302 and the second glue injection valve 402 are closed, the first glue injection tube and the second glue injection tube stop discharging glue, and the back-suction driving device 201 drives the back-suction piston 202 to move, so that a negative pressure is formed in the glue back-suction cavity 101, and the gas is discharged. Under the action of pressure, the colloid in the first glue injection tube and the second glue injection tube is sucked back into the colloid sucking back cavity 101, and the colloid in the mixing tube 5 is sucked back into the first glue injection channel 102 and the second glue injection channel 103, so as to prevent the colloid in the mixing tube 5 from dripping. When the next glue is discharged, the sucking back driving device 201 is reset, and the A and B glues in the colloid sucking back cavity 101 are squeezed back into the first glue injection tube and the second glue injection tube, and the first glue injection valve 302 and the second glue injection valve 402 are started to start glue injection; by setting the colloid sucking back mechanism 2, the dripping of the colloid in the mixing tube 5 is suppressed by air pressure, so as to prevent glue dripping; and since no gear structure and screw structure are used, it can be used when the glue contains larger particles, thereby improving the scope of application.

[0034] In a further possible implementation of this embodiment, the back-suction driving device 201 is a driving cylinder, and the driving cylinder can drive the back-suction piston 202 to move to the first position and the second position in the colloid back-suction chamber 101 .

[0035] In this embodiment, the driving cylinder can drive the back-suction piston 202 to move to the first position and the second position in the colloid back-suction chamber 101. When the back-suction piston 202 moves from the first position to the second position, a negative pressure is formed in the colloid back-suction chamber 101. Under the action of air pressure, the colloid in the first glue injection tube and the second glue injection tube is back-sucked into the colloid back-suction chamber 101, and the colloid in the mixing tube 5 is back-sucked into the first glue injection channel 102 and the second glue injection channel 103; when the back-suction piston 202 moves from the second position to the first position, the A and B glues in the colloid back-suction chamber 101 are squeezed back into the first glue injection tube and the second glue injection tube, and the colloid in the first glue injection channel 102 and the second glue injection channel 103 is squeezed into the mixing tube 5; the driving cylinder has a simple and reliable structure, which can further prevent glue dripping.

[0036] In a further implementable embodiment of the present invention, the colloid re-suction chamber 101 further includes a re-suction channel 104 , the colloid re-suction chamber 101 is connected to the first glue injection channel through the re-suction channel 104 , and the colloid re-suction chamber 101 is connected to the second glue injection channel through the re-suction channel 104 .

[0037] In this embodiment, the colloid back-suction chamber 101 also includes a back-suction channel 104. When the back-suction piston 202 moves from the first position to the second position, a negative pressure is formed in the colloid back-suction chamber 101. Under the action of air pressure, the colloid in the first glue injection tube and the second glue injection tube is back-sucked into the back-suction channel 104, which can prevent the colloid from directly contacting the back-suction piston 202 and affecting the performance of the back-suction piston 202, thereby avoiding affecting the effect of preventing glue dripping.

[0038] In a further implementable embodiment of the present embodiment, there are two colloid back-suction chambers 101 , which are respectively connected to the first glue injection channel and the second glue injection channel, and there are two back-suction pistons 202 , which are respectively inserted into the two colloid back-suction chambers 101 .

[0039] In this embodiment, the two colloid back-suction chambers 101 are respectively connected to the first glue injection channel and the second glue injection channel. When the back-suction piston 202 moves from the first position to the second position, a negative pressure is formed in the colloid back-suction chamber 101. When the colloid in the first glue injection tube and the second glue injection tube is back-sucked into the back-suction channel 104 under the action of air pressure, the A and B glues will not be mixed or solidified in the colloid back-suction chamber 101, thereby avoiding problems such as air leakage and stroke shortening caused by residual colloid solidification in the colloid back-suction chamber 101, thereby ensuring the effect of preventing glue leakage.

[0040] In a further implementable embodiment of the present embodiment, the colloid suction mechanism 2 further includes a mounting plate 203 , the suction piston 202 is mounted on the mounting plate 203 , and the suction drive device 201 is connected to the mounting plate 203 .

[0041] In this embodiment, the two suction pistons 202 are both installed on the mounting plate 203, and the suction drive device 201 is connected to the mounting plate 203. The suction drive device 201 drives the two suction pistons 202 to move by driving the mounting plate 203, thereby ensuring that the two suction pistons 202 can move synchronously to avoid malfunctions.

[0042] In a further implementable embodiment of the present invention, the first glue injection valve 302 is an air actuator, and the second glue injection valve 402 is an air actuator.

[0043] In this embodiment, the first glue injection valve 302 is an air actuator, and the second glue injection valve 402 is an air actuator, which has a simple and reliable structure and can improve the convenience of operation.

[0044] In a further implementable embodiment of the present embodiment, a connecting protrusion 105 is provided at the lower portion of the valve body 1, the first glue injection channel 102 and the second glue injection channel 103 are provided in the connecting protrusion 105, and the top end of the mixing tube 5 extends outward and upward to form a connecting portion 501, and the connecting portion 501 is sleeved on the connecting protrusion 105.

[0045] In this embodiment, the top end of the mixing tube 5 extends outward and upward to form a funnel-shaped connecting portion 501, and the connecting portion 501 is sleeved on the connecting protrusion 105, so as to facilitate the colloid in the first injection channel 102 and the second injection channel 103 to smoothly enter the mixing tube 5, and can prevent the colloid from leaking from the joint between the mixing tube 5 and the connecting protrusion 105, thereby ensuring the accuracy of the glue discharge.

[0046] In a further implementable embodiment of this embodiment, the high-pressure and high-flow glue valve further includes a mixing protection tube 502 , and the mixing tube 5 is inserted in the mixing protection tube 502 .

[0047] In this embodiment, the high-pressure and high-flow glue valve also includes a mixing protection tube 502, which can protect the mixing tube 5 to prevent the mixing tube 5 from being damaged due to accidental collisions, resulting in colloid leakage, and can prevent the glue output accuracy from being affected.

[0048] In a further implementable embodiment of the present invention, the mixing protection tube 502 further includes a connecting nut 503 , the mixing protection tube 502 is connected to the connecting protrusion 105 via the connecting nut 503 , and the connecting portion 501 of the mixing tube 5 is disposed within the connecting nut 503 .

[0049] In this embodiment, the mixing protection tube 502 is connected to the connecting protrusion 105 through the connecting nut 503, which is simple and convenient to operate and can improve the assembly efficiency of the operator. The connecting part 501 of the mixing tube 5 is arranged in the connecting nut 503, and the connecting nut 503 can protect the connecting position between the connecting part 501 and the connecting protrusion 105, which can reduce the connection part 501 from being separated from the connecting protrusion 105 due to impact, thereby reducing safety hazards.

[0050] In a further implementable embodiment of this embodiment, the high-pressure and high-flow rubber valve also includes a fixing plate 6, the valve body 1 is installed on the fixing plate 6, a mixing tube fixing seat 601 is also provided on the fixing plate 6, and the mixing protection tube 502 is inserted into the mixing tube fixing seat 601.

[0051] In this embodiment, the valve body 1 is installed on the fixing plate 6, and a mixing tube fixing seat 601 is also provided on the fixing plate 6. The mixing protection tube 502 is inserted into the mixing tube fixing seat 601, thereby further improving the connection strength between the valve body 1 and the mixing tube 5 and the mixing protection tube 502, and preventing the mixing tube 5 and the mixing protection tube 502 from accidentally detaching from the valve body 1, thereby further reducing safety hazards.

[0052] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", 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 utility model. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0053] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0054] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A high-pressure and high-flow rubber valve, characterized in that: include: A valve body, wherein a colloid re-sucking cavity, a first glue injection channel and a second glue injection channel are arranged inside the valve body, the colloid re-sucking cavity is communicated with the first glue injection channel, and the colloid re-sucking cavity is communicated with the second glue injection channel; A colloid suction mechanism, wherein the colloid suction mechanism comprises a suction drive device and a suction piston, wherein the suction drive device is fixedly connected to the suction piston, and the suction piston is inserted into the colloid suction cavity, and the suction drive device can drive the suction piston to move in the colloid suction cavity; a first glue injection device, the first glue injection device comprising a first glue injection pipeline and a first glue injection valve, the first glue injection pipeline is connected to the first glue injection channel, and the first glue injection valve is used to open and close the first glue injection pipeline; A second glue injection device, the second glue injection device comprising a second glue injection pipeline and a second glue injection valve, the second glue injection pipeline is connected to the second glue injection channel, and the second glue injection valve is used to open and close the second glue injection pipeline; A mixing tube, wherein the mixing tube is connected to the valve body, the mixing tube is communicated with the first glue injection channel, and the mixing tube is communicated with the second glue injection channel.

2. The high-pressure and high-flow rubber valve according to claim 1, characterized in that: The back-suction driving device is a driving cylinder, and the driving cylinder can drive the back-suction piston to move to a first position and a second position in the colloid back-suction cavity.

3. The high-pressure and high-flow rubber valve according to claim 2, characterized in that: The colloid back-suction cavity further includes a back-suction channel, through which the colloid back-suction cavity is communicated with the first glue injection channel, and through which the colloid back-suction cavity is communicated with the second glue injection channel.

4. The high-pressure and high-flow rubber valve according to claim 3, characterized in that: There are two colloid back-suction cavities, which are respectively connected to the first glue injection channel and the second glue injection channel. There are two back-suction pistons, which are respectively inserted into the two colloid back-suction cavities.

5. The high-pressure and high-flow rubber valve according to claim 1, characterized in that: The colloid back-suction mechanism further comprises a mounting plate, the back-suction piston is mounted on the mounting plate, and the back-suction driving device is connected to the mounting plate.

6. The high-pressure and high-flow rubber valve according to claim 1, characterized in that: The first glue injection valve is an air actuator, and the second glue injection valve is an air actuator.

7. The high-pressure and high-flow rubber valve according to claim 1, characterized in that: A connecting protrusion is provided at the lower part of the valve body, and the first glue injection channel and the second glue injection channel are provided in the connecting protrusion. The top end of the mixing tube extends outward and upward to form a connecting portion, and the connecting portion is sleeved on the connecting protrusion.

8. The high-pressure and high-flow rubber valve according to claim 7, characterized in that: The high-pressure and high-flow glue valve further comprises a mixing protection tube, and the mixing tube is inserted in the mixing protection tube.

9. The high-pressure and high-flow rubber valve according to claim 8, characterized in that: The mixing protection tube further includes a connecting nut, the mixing protection tube is connected to the connecting protrusion via the connecting nut, and the connecting portion of the mixing tube is arranged in the connecting nut.

10. The high-pressure and high-flow glue valve according to claim 9, characterized in that: The high-pressure and high-flow rubber valve further comprises a fixing plate, the valve body is mounted on the fixing plate, a mixing tube fixing seat is further arranged on the fixing plate, and the mixing protection tube is inserted on the mixing tube fixing seat.

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