CN221230941U - Dispensing valve - Google Patents

Abstract

The embodiment of the utility model provides a dispensing valve, and relates to the technical field of dispensing. The dispensing valve comprises a dispensing structure, a mixing pipe and a rotating structure, wherein the dispensing structure comprises a glue feeding block and a glue dividing block which are communicated with each other, one end of the glue dividing block, which is far away from the glue feeding block, is provided with a circular boss, and the mixing pipe and the glue dividing block are coaxially arranged and communicated; the mixing pipe is used for sleeving the circular boss so that the circular boss is tightly attached to the inner wall of the mixing pipe; the rotating structure is sleeved on the glue dividing block and connected with the mixing pipe, and the rotating structure is used for driving the mixing pipe to rotate relative to the glue dividing block under the driving of the driving device. The dispensing valve can prevent glue from overflowing, and improves production efficiency.

Description

Dispensing valve

Technical Field

The utility model relates to the technical field of dispensing, in particular to a dispensing valve.

Background

The dispensing process is also called gluing, pouring, dripping and the like, and is to smear, fill and drop electronic glue, oil or other liquid onto a product, so that the product has the functions of pasting, filling, insulating, fixing, smoothing the surface and the like. In the production assembly, it is sometimes necessary to glue the inner wall of the cylindrical structure, and therefore, it is necessary to provide a dispensing valve with a rotary structure to perform rotary dispensing.

However, when the rotary dispensing is carried out, the glue of the mixing tube is easy to overflow and infiltrate into the rotary structure, so that the rotary structure is blocked and stops rotating, workers need to detach the dispensing valve regularly, clear the cured glue to dredge the rotary structure, and the operation is complex, so that the production efficiency is influenced.

Disclosure of utility model

The utility model aims to provide a dispensing valve which can prevent glue from overflowing and improve production efficiency.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a dispensing valve comprising:

The glue dispensing structure comprises a glue feeding block and a glue dividing block which are communicated, and one end of the glue dividing block, which is far away from the glue feeding block, is provided with a circular boss;

The mixing pipe is coaxially arranged and communicated with the glue dividing block and is used for being sleeved on the circular boss so as to enable the circular boss to be tightly attached to the inner wall of the mixing pipe; and

The rotary structure is sleeved on the glue dividing block and connected with the mixing pipe, and the rotary structure is used for driving the mixing pipe to rotate relative to the glue dividing block under the driving of the driving device.

In an alternative embodiment, an annular groove is formed in one end, close to the glue dividing block, of the mixing pipe, and the annular groove is communicated with a glue inlet of the mixing pipe; the circular boss comprises a first boss and a second boss which are connected, the first boss is inserted into the glue inlet and is tightly attached to the inner wall of the mixing tube, and the second boss is arranged in the annular groove.

In an alternative embodiment, the dispensing valve further includes a first connecting member, where the first connecting member is sleeved on the rotating structure and the mixing tube at the same time and is connected with the rotating structure and the mixing tube respectively.

In an alternative embodiment, the first connecting piece is provided with a through hole and a plurality of through grooves, the through grooves are arranged at intervals around the through hole and are communicated with the through hole, and the mixing pipe is arranged through the through hole; the outer wall interval of mixing tube is equipped with a plurality of protruding muscle, a plurality of protruding muscle with a plurality of logical groove one-to-one sets up.

In an alternative embodiment, the rotating structure comprises a rotating member and a bearing, wherein the bearing is sleeved on the glue dividing block, and the rotating member is sleeved on the bearing and is connected with the mixing pipe;

The rotating piece is used for driving the mixing pipe to rotate relative to the glue dividing block under the driving of the driving device.

In an alternative embodiment, the rotating structure further includes a second connecting member, the second connecting member is sleeved on the bearing, the rotating member is sleeved on the second connecting member, and the second connecting member is connected with the mixing tube.

In an optional embodiment, the dispensing valve further comprises a fixing piece, and the fixing piece is sleeved on the glue dividing block and abuts against the bearing.

In an alternative embodiment, a plurality of runners are arranged in the glue dividing block, the runners are arranged at intervals, and the runners are simultaneously communicated with the glue inlet block and the mixing pipe.

In an optional embodiment, the dispensing valve further comprises a plurality of glue inlet pipes, the glue inlet pipes are respectively communicated with the glue inlet blocks, and the glue inlet pipes and the flow channels are in one-to-one correspondence.

In an optional embodiment, the dispensing valve further comprises a sealing block, wherein the sealing block is arranged between the glue inlet block and the glue dividing block, and the sealing block is respectively communicated with the glue inlet block and the glue dividing block.

The beneficial effects of the embodiment of the utility model include:

The dispensing valve comprises a dispensing structure, a mixing pipe and a rotating structure, wherein the dispensing structure comprises a glue feeding block and a glue dividing block which are communicated with each other, one end of the glue dividing block, which is far away from the glue feeding block, is provided with a circular boss, and the mixing pipe and the glue dividing block are coaxially arranged and communicated; the mixing pipe is used for sleeving the circular boss so that the circular boss is tightly attached to the inner wall of the mixing pipe; the rotating structure is sleeved on the glue dividing block and connected with the mixing pipe, and the rotating structure is used for driving the mixing pipe to rotate relative to the glue dividing block under the driving of the driving device. That is, when the rotary dispensing is performed, the glue sequentially passes through the glue feeding block and the glue dividing block and flows into the mixing pipe from the circular boss, and meanwhile, the rotary structure drives the mixing pipe to rotate relative to the glue dividing block under the driving of the driving device, so that the rotary dispensing is realized; the circular boss is inserted into the mixing pipe and is tightly attached to the inner wall of the mixing pipe, so that a certain sealing effect is achieved, and glue cannot overflow from between the mixing pipe and the circular boss; the rotating structure is sleeved on the glue dividing block, and the normal work of the rotating structure is not affected. Therefore, the dispensing valve can prevent glue from overflowing, and improves production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first view angle of an dispensing valve according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the dispensing valve according to the embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a glue dividing block according to an embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of a mixing tube according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a first connecting member according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a second view angle of the dispensing valve according to the embodiment of the present utility model;

Fig. 7 is a cross-sectional view taken along section A-A in fig. 6.

Icon: 100-dispensing valve; 10-dispensing structure; 11-feeding a glue block; 12-dividing glue blocks; 121-a circular boss; 1211-a first boss; 1212-a second boss; 122-flow channel; 13-a valve body; 131-a fixed block; 132-a piston; 133-a motion bar; 134-closure; 135-airtight test tube; 20-mixing tube; 21-an annular groove; 22-a glue inlet; 23-a glue outlet; 24-limiting blocks; 25-convex ribs; 30-a rotating structure; 31-a rotating member; 32-bearings; 33-a second connector; 34-bolts; 40-first connection; 41-through holes; 42-through grooves; 50-fixing parts; 60-rubber inlet pipe; 70-sealing blocks; 80-mount.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As described in the background art, in the production and assembly, it is sometimes necessary to glue the inner wall of the cylindrical structure, and therefore, it is necessary to provide a dispensing valve with a rotary structure to perform rotary dispensing. However, when the rotary dispensing is carried out, the glue of the mixing tube is easy to overflow and infiltrate into the rotary structure, so that the rotary structure is blocked and stops rotating, workers need to detach the dispensing valve regularly, clear the cured glue to dredge the rotary structure, and the operation is complex, so that the production efficiency is influenced.

Referring to fig. 1-7, an embodiment of the present utility model provides a dispensing valve 100 capable of effectively improving the above-mentioned technical problems, that is, preventing glue from overflowing and improving production efficiency. The dispensing valve 100 will be described in detail below.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a first view angle of a dispensing valve 100 provided in this embodiment, fig. 2 is an exploded view of the dispensing valve 100 provided in this embodiment, and in combination with fig. 1 and 2, the dispensing valve 100 includes a dispensing structure 10, a mixing tube 20 and a rotating structure 30, the dispensing structure 10 includes a glue feeding block 11 and a glue dividing block 12 which are communicated, one end of the glue dividing block 12 far from the glue feeding block 11 is provided with a circular boss 121, and the mixing tube 20 and the glue dividing block 12 are coaxially arranged and communicated; the mixing tube 20 is used for being sleeved on the circular boss 121, so that the circular boss 121 is tightly attached to the inner wall of the mixing tube 20; the rotating structure 30 is sleeved on the glue dividing block 12 and connected with the mixing tube 20, and the rotating structure 30 is used for driving the mixing tube 20 to rotate relative to the glue dividing block 12 under the driving of the driving device. That is, when the rotary dispensing is performed, the glue sequentially passes through the glue inlet block 11 and the glue dividing block 12 and flows into the mixing tube 20 from the circular boss 121, and meanwhile, the rotary structure 30 drives the mixing tube 20 to rotate relative to the glue dividing block 12 under the driving of the driving device, so as to realize rotary dispensing; the circular boss 121 is inserted into the mixing tube 20 and is tightly attached to the inner wall of the mixing tube 20, so that a certain sealing effect is achieved, and glue cannot overflow from between the mixing tube 20 and the circular boss 121; the rotating structure 30 is sleeved on the glue dividing block 12, and the normal operation of the rotating structure 30 is not affected. Therefore, the dispensing valve 100 can prevent glue from overflowing, and the production efficiency is improved.

It should be noted that, the sealing effect can be achieved by the interference fit between the circular boss 121 and the glue inlet 22 of the mixing tube 20; in addition, since the mixing tube 20 is required to rotate with respect to the circular boss 121, there is a high demand for the material of the dispenser block 12, which is required to have not only a small friction coefficient but also abrasion resistance. In actual production and use, a person skilled in the art can select the material of the dispenser block 12 according to actual design requirements, so as to realize the above functions.

Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of the glue dividing block 12 provided in the present embodiment, fig. 4 is a schematic structural diagram of the mixing tube 20 provided in the present embodiment, and further, with reference to fig. 3 and 4, an annular groove 21 is formed at one end of the mixing tube 20 near the glue dividing block 12, that is, the annular groove 21 is located at the glue inlet 22 of the mixing tube 20, and the annular groove 21 is communicated with the glue inlet 22; the circular boss 121 includes a first boss 1211 and a second boss 1212, which are connected, the first boss 1211 is inserted into the glue inlet 22 and closely attached to the inner wall of the mixing tube 20, and the second boss 1212 is disposed in the annular groove 21. It is easy to understand that the first boss 1211 and the glue inlet 22 can also be sealed by an interference fit, and meanwhile, the glue dividing block 12 and the mixing tube 20 can be more conveniently installed by matching the second boss 1212 with the annular groove 21, and the tightness can be further improved by matching the second boss 1212 with the annular groove 21, so that the glue is prevented from overflowing, and the production efficiency is further improved.

In order to facilitate the installation and the removal of the mixing tube 20, please further combine fig. 1 and 2, the dispensing valve 100 further includes a first connecting member 40, wherein the first connecting member 40 is simultaneously sleeved on the rotating structure 30 and the mixing tube 20, and is respectively connected with the rotating structure 30 and the mixing tube 20. That is, the mixing tube 20 and the rotating structure 30 are detachably connected through the first connecting member 40, the rotating structure 30 drives the mixing tube 20 to rotate through the first connecting member 40, and when the mixing tube 20 needs to be replaced, the mixing tube 20 can be taken out from the circular boss 121 of the glue separating block 12 only by detaching the first connecting member 40, so that the operation is convenient.

Specifically, referring to fig. 5, fig. 5 is a schematic structural diagram of a first connecting member 40 provided in the present embodiment, and referring to fig. 4 and 5, the first connecting member 40 is provided with a through hole 41 and a plurality of through grooves 42, the plurality of through grooves 42 are arranged around the through hole 41 at intervals and are all communicated with the through hole 41, and the mixing tube 20 is arranged through the through hole 41; the outer wall of the mixing tube 20 is provided with a plurality of ribs 25 at intervals, and the ribs 25 are arranged in one-to-one correspondence with the through grooves 42. During installation, the mixing tube 20 passes through the through hole 41, then the ribs 25 are aligned to the through grooves 42, and then the first connecting piece 40 is sleeved on the rotating structure 30, and the rotating structure 30 drives the first connecting piece 40 to rotate, so that the mixing tube 20 also rotates along with the rotating. Through the cooperation of the through groove 42 and the convex rib 25, the first connecting piece 40 drives the mixing pipe 20 to rotate, and meanwhile the mixing pipe 20 can be conveniently detached and installed.

It should be noted that, in this embodiment, the number of the through slots 42 and the ribs 25 is four, and of course, in other embodiments, the number of the through slots and the ribs may be two, three, or five.

With continued reference to fig. 2, the rotating structure 30 includes a rotating member 31 and a bearing 32, the bearing 32 is sleeved on the glue separating block 12, the rotating member 31 is sleeved on the bearing 32 and connected to the mixing tube 20, specifically, in this embodiment, the rotating member 31 is connected to the first connecting member 40; the rotating member 31 is used for driving the mixing tube 20 to rotate relative to the glue dividing block 12 under the driving of the driving device. It is easy to understand that the bearing 32 is sleeved on the glue separating block 12, and the rotating member 31 can rotate relative to the bearing 32, so that the mixing tube 20 is driven to rotate by the first connecting member 40.

In this embodiment, the rotating member 31 is a belt pulley, and may be connected to an external driving device, such as a motor, by belt transmission, and driven by the motor to rotate the belt pulley. Of course, in other embodiments, the rotating member 31 may be a gear, and the gear is driven to rotate by a chain transmission or a gear-to-gear engagement.

In order to improve the stability of the rotary dispensing, the rotary structure 30 further includes a second connecting member 33, the second connecting member 33 is sleeved on the bearing 32, the rotary member 31 is sleeved on the second connecting member 33, and the second connecting member 33 is connected with the mixing tube 20; specifically, in the present embodiment, the second connection member 33 is connected with the first connection member 40. That is, the second connecting member 33 is located between the rotating member 31 and the bearing 32, the rotating member 31 is fixed by the second connecting member 33 and is connected with the first connecting member 40, and when the rotating dispensing is performed, the driving device drives the rotating member 31 to rotate and drives the first connecting member 40 by the second connecting member 33, so that the mixing tube 20 follows the rotation together, thereby improving the rotating dispensing stability.

Further, in order to fix the rotating member 31 to the second connecting member 33, the rotating structure 30 further includes a bolt 34, and the bolt 34 is simultaneously connected to the rotating member 31 and the second connecting member 33. In the present embodiment, the number of bolts 34 is two, and two bolts 34 are disposed opposite to each other. Of course, in other embodiments, the number of bolts 34 may be one, three, four, etc., so long as the fixing of the rotating member 31 and the second connecting member 33 can be achieved.

In addition, in the present embodiment, the second connecting member 33 has a bowl-like structure, and the upper portion thereof has a larger diameter than the lower portion thereof, and it is easy to understand that the rotating member 31 is sleeved on the upper portion of the second connecting member 33, and the lower portion is connected to the first connecting member 40. Of course, in other embodiments, the shape of the second connecting member 33 is not limited thereto, and may be determined according to actual design requirements.

With continued reference to fig. 2, in order to better fix the bearing 32, the dispensing valve 100 further includes a fixing member 50, where the fixing member 50 is sleeved on the glue separating block 12 and abuts against the bearing 32. That is, the fixing member 50 abuts against one side of the bearing 32 near the mixing tube 20, so as to prevent the bearing 32 from being deflected downwards under the action of gravity, and influence the rotation of the rotating structure 30, thereby further improving the stability of the rotary dispensing.

Referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of a second view angle of the dispensing valve 100 according to the present embodiment, fig. 7 is a sectional view of A-A in fig. 6, and, in combination with fig. 6 and 7, a plurality of flow channels 122 are disposed in the glue separating block 12, the plurality of flow channels 122 are disposed at intervals, and the plurality of flow channels 122 are simultaneously communicated with the glue inlet block 11 and the mixing tube 20. By arranging a plurality of runners 122, different types of glue can flow into different runners 122 respectively and enter the mixing pipe 20 for mixing.

Further, referring to fig. 2 and fig. 7, the dispensing valve 100 further includes a plurality of glue inlet pipes 60, the plurality of glue inlet pipes 60 are respectively communicated with the glue inlet block 11, and the plurality of glue inlet pipes 60 are disposed in one-to-one correspondence with the plurality of runners 122. That is, different types of glue can enter the glue inlet block 11 through a plurality of different glue inlet pipes 60 respectively, then enter a plurality of different flow passages 122 of the glue dividing block 12, flow into the mixing pipe 20 together for mixing, and finally exit the glue from the glue outlet 23 of the mixing pipe 20, so that glue spreading operation is performed on the equipment.

Because circular boss 121 needs to be inserted into glue inlet 22 of mixing tube 20, in order to limit the degree of depth of inserting of circular boss 121, still be equipped with stopper 24 in the mixing tube 20, stopper 24 can support circular boss 121, improves out and glues stability.

With continued reference to fig. 2, in order to improve the tightness, the dispensing valve 100 further includes a sealing block 70, wherein the sealing block 70 is disposed between the glue inlet block 11 and the glue dividing block 12, and the sealing block 70 is respectively communicated with the glue inlet block 11 and the glue dividing block 12.

Because the rotating structure 30 needs to rotate relative to the glue separating block 12, the mixing tube 20 also needs to rotate together, and the glue separating block 12 is fixed, in order to better fix the glue separating block 12, the glue dispensing valve 100 further comprises a mounting seat 80, and the glue separating block 12 is arranged on the mounting seat 80. When dispensing, the mounting seat 80 and the platform of the dispensing device can be fixed first, so that the dispensing block 12 is firmly mounted, and then the dispensing is performed in a rotating way, so that the dispensing stability is further improved.

With continued reference to fig. 2 and fig. 7, in order to control the dispensing of the glue, the dispensing structure 10 further includes a valve body 13, and the valve body 13 is in communication with the glue inlet block 11. Specifically, the valve body 13 includes a fixed block 131, a piston 132, a moving rod 133, and a blocking piece 134, the fixed block 131 is disposed on the glue feeding block 11, the bolt 34 and the moving rod 133 penetrate through the fixed block 131, and the blocking piece 134 is disposed in the sealing block 70 and slidably connected with the moving rod 133. The piston 132 drives the motion rod 133 to move up and down and pushes the blocking piece 134 to move, so that the opening or closing of the channel in the sealing block 70 is realized, and the glue outlet and the glue flow rate are controlled.

Further, in order to test the air tightness of the glue valve 100, the glue valve 100 further includes an air-tight test tube 135, and the air-tight test tube 135 is in communication with the fixed block 131.

In summary, the embodiment of the utility model provides a dispensing valve 100, wherein the dispensing valve 100 includes a dispensing structure 10, a mixing tube 20 and a rotating structure 30, the dispensing structure 10 includes a glue feeding block 11 and a glue dividing block 12 which are communicated, a circular boss 121 is arranged at one end of the glue dividing block 12 far away from the glue feeding block 11, and the mixing tube 20 is coaxially arranged and communicated with the glue dividing block 12; the mixing tube 20 is used for being sleeved on the circular boss 121, so that the circular boss 121 is tightly attached to the inner wall of the mixing tube 20; the rotating structure 30 is sleeved on the glue dividing block 12 and connected with the mixing tube 20, and the rotating structure 30 is used for driving the mixing tube 20 to rotate relative to the glue dividing block 12 under the driving of the driving device. That is, when the rotary dispensing is performed, the glue sequentially passes through the glue inlet block 11 and the glue dividing block 12 and flows into the mixing tube 20 from the circular boss 121, and meanwhile, the rotary structure 30 drives the mixing tube 20 to rotate relative to the glue dividing block 12 under the driving of the driving device, so as to realize rotary dispensing; the circular boss 121 is inserted into the mixing tube 20 and is tightly attached to the inner wall of the mixing tube 20, so that a certain sealing effect is achieved, and glue cannot overflow from between the mixing tube 20 and the circular boss 121; the rotating structure 30 is sleeved on the glue dividing block 12, and the normal operation of the rotating structure 30 is not affected. Therefore, the dispensing valve 100 can prevent glue from overflowing, and the production efficiency is improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A dispensing valve, comprising:

The glue dispensing structure (10), the glue dispensing structure (10) comprises a glue inlet block (11) and a glue dividing block (12) which are communicated, and one end, far away from the glue inlet block (11), of the glue dividing block (12) is provided with a circular boss (121);

The mixing pipe (20) is coaxially arranged and communicated with the glue dividing block (12), and the mixing pipe (20) is used for being sleeved on the circular boss (121) so that the circular boss (121) is tightly attached to the inner wall of the mixing pipe (20); and

The rotary structure (30), rotary structure (30) cover is located divide gluey piece (12), and with mixing tube (20) are connected, rotary structure (30) are used for under drive arrangement's drive, drive mixing tube (20) for divide gluey piece (12) rotation.

2. Dispensing valve according to claim 1, characterized in that one end of the mixing tube (20) close to the glue dividing block (12) is provided with an annular groove (21), and the annular groove (21) is communicated with a glue inlet (22) of the mixing tube (20); the circular boss (121) comprises a first boss (1211) and a second boss (1212) which are connected, the first boss (1211) is inserted into the glue inlet (22) and is tightly attached to the inner wall of the mixing tube (20), and the second boss (1212) is arranged in the annular groove (21).

3. Dispensing valve according to claim 1, characterized in that the dispensing valve (100) further comprises a first connecting piece (40), wherein the first connecting piece (40) is simultaneously sleeved on the rotating structure (30) and the mixing tube (20) and is connected with the rotating structure (30) and the mixing tube (20) respectively.

4. A dispensing valve according to claim 3, wherein the first connecting member (40) is provided with a through hole (41) and a plurality of through grooves (42), the through grooves (42) are arranged around the through hole (41) at intervals and are communicated with the through hole (41), and the mixing tube (20) is arranged through the through hole (41); the outer wall interval of mixing tube (20) is equipped with a plurality of protruding muscle (25), a plurality of protruding muscle (25) with a plurality of logical groove (42) one-to-one sets up.

5. Dispensing valve according to claim 1, characterized in that the rotating structure (30) comprises a rotating member (31) and a bearing (32), the bearing (32) is sleeved on the glue dividing block (12), and the rotating member (31) is sleeved on the bearing (32) and is connected with the mixing tube (20);

The rotating piece (31) is used for driving the mixing pipe (20) to rotate relative to the glue dividing block (12) under the driving of the driving device.

6. The dispensing valve according to claim 5, wherein the rotary structure (30) further comprises a second connecting member (33), the second connecting member (33) is sleeved on the bearing (32), the rotary member (31) is sleeved on the second connecting member (33), and the second connecting member (33) is connected with the mixing tube (20).

7. The dispensing valve according to claim 5, wherein the dispensing valve (100) further comprises a fixing member (50), and the fixing member (50) is sleeved on the glue dividing block (12) and abuts against the bearing (32).

8. The dispensing valve according to claim 1, wherein a plurality of flow passages (122) are arranged in the dispensing block (12), the flow passages (122) are arranged at intervals, and the flow passages (122) are simultaneously communicated with the dispensing block (11) and the mixing tube (20).

9. The dispensing valve according to claim 8, wherein the dispensing valve (100) further comprises a plurality of glue inlet pipes (60), the plurality of glue inlet pipes (60) are respectively communicated with the glue inlet block (11), and the plurality of glue inlet pipes (60) are arranged in one-to-one correspondence with the plurality of runners (122).

10. The dispensing valve according to claim 1, wherein the dispensing valve (100) further comprises a sealing block (70), the sealing block (70) is arranged between the glue inlet block (11) and the glue dividing block (12), and the sealing block (70) is respectively communicated with the glue inlet block (11) and the glue dividing block (12).