A dispensing device

Abstract

The present application relates to the technical field of dispensing devices and discloses a dispensing device, which includes a body, a first glue cylinder, a second glue cylinder, a mixing cylinder and a glue outlet cylinder arranged on the body, and also includes a control component for controlling the simultaneous dispensing of glue by the first glue cylinder and the second glue cylinder, a stirring component for stirring the glue in the mixing cylinder, and a screw valve for controlling the dispensing of glue by the glue outlet cylinder; the screw valve includes a power part, a central shaft and a screw body connected in sequence from top to bottom, the power part is used to drive the central shaft to rotate, the screw body and the central shaft pass through the mixing cylinder and extend into the glue outlet cylinder, the stirring component includes a connecting rod and a stirring rod, one end of the connecting rod is connected to the central shaft, and the other end of the connecting rod is connected to the stirring rod, and the stirring rod extends in a vertical direction; the present application can fully mix the two components of glue and improve the dispensing effect.

Description

Technical Field

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

[0002] Glue dispensing equipment is widely used in a variety of manufacturing industries, including electronics, automotive, and medical. It's primarily used to precisely apply a specific amount of glue to a specific location on a workpiece. When mixing two-component glues, such as AB glue, dispensing equipment first mixes the two components within the device and then dispenses the resulting mixture through a dispensing nozzle.

[0003] The Chinese utility model patent "Ultra-precision dispensing device for AB glue" with patent number CN214717986U and the Chinese invention patent "A two-component valve" with patent number CN101696741A both disclose devices for dispensing two-component glue. However, their mixing methods for the two-component glue are both to deliver the same amount of two glues separately, and then mix the two glues through the corresponding glue discharge barrel parts, and then deliver them through the dispensing head to dispense glue on the workpiece.

[0004] Regarding the above-mentioned related technologies, the method of feeding two kinds of glue into the same glue outlet pipe is that the two kinds of glue are simply mixed in a simple ratio, and are not mixed evenly with each other, which will affect the dispensing effect. Summary of the Invention

[0005] In order to fully mix the two components of glue and improve the dispensing effect, the present application provides a dispensing device.

[0006] This application provides a dispensing device, which adopts the following technical solution:

[0007] A glue dispensing device comprises a body, a first glue cylinder, a second glue cylinder, a mixing cylinder and a glue dispensing cylinder arranged on the body, a control component for controlling the simultaneous glue dispensing of the first glue cylinder and the second glue cylinder, a stirring component for stirring the glue in the mixing cylinder, and a screw valve for controlling the glue dispensing of the glue dispensing cylinder;

[0008] The mixing cylinder has two glue inlets on its lower side wall, and the glue outlets of the first and second glue cylinders are connected to the two glue inlets of the mixing cylinder respectively. The mixing cylinder has a glue outlet on its upper end, and the glue outlet of the mixing cylinder is connected to the glue inlet of the glue outlet cylinder.

[0009] The screw valve includes a power part, a central shaft and a screw body connected in sequence from top to bottom, the power part is used to drive the central shaft to rotate, the screw body and the central shaft pass through the mixing barrel and extend into the glue discharge barrel, the stirring assembly includes a connecting rod and a stirring rod, one end of the connecting rod is connected to the central shaft, and the other end of the connecting rod is connected to the stirring rod, the stirring rod extends in a vertical direction, and the connecting rod and the stirring rod are both arranged in the mixing barrel.

[0010] By adopting the above technical solution, the two types of glue in the first rubber cylinder and the second rubber cylinder are mixed in the mixing cylinder, and then sent into the glue discharge cylinder through the glue outlet at the upper end, and accurately discharged through the screw valve, thereby improving the mixing effect of the two-component glue and ensuring the glue discharge accuracy; at the same time, the power part controls the rotation of the screw body through the central axis, and can drive the connecting rod and the stirring rod to rotate, synchronously driving the stirring rod to stir the material, thereby improving the mixing effect.

[0011] Optionally, the mixing cylinder is arranged between the first rubber cylinder and the second rubber cylinder, and the mixing cylinder consists of a circular first cylinder located at the upper end and a ring-shaped second cylinder located at the lower end. The first cylinder and the second cylinder are connected, and the upper end of the glue outlet cylinder is coaxially arranged in the second cylinder, and the glue outlet of the mixing cylinder is opened on the first cylinder.

[0012] By adopting the above technical solution, the design method of the mixing cylinder and the glue discharge cylinder is specifically disclosed, the mixing and flow path of the glue is optimized, and it is ensured that the glue will enter the first cylinder upward and be discharged from the glue outlet only after being mixed in the second cylinder.

[0013] Optionally, the upper end of the stirring rod is rotatably connected to the connecting rod, the lower end of the stirring rod is wavy and extends into the second cylinder, and the stirring assembly also includes a gear coaxially sleeved on the upper end of the connecting rod, and a rack arranged on the first cylinder, the rack is circumferentially arranged along the inner side wall of the first cylinder, and the gear is meshed with the rack.

[0014] By adopting the above technical solution, the combination of the gear and the rack enables the stirring rod to rotate around itself during the rotation along the second cylinder, thereby stirring the glue more evenly and improving the mixing quality.

[0015] Optionally, a plurality of the connecting rods, the stirring rods and the gears are arranged corresponding to each other in the circumferential direction of the central axis, and all the gears are combined with the rack.

[0016] By adopting the above technical solution, the arrangement of multiple connecting rods, stirring rods and gears further enhances the stirring effect, ensuring that the glue is fully mixed in the mixing barrel.

[0017] Optionally, a dosing ring is provided at the bottom of the second cylinder, and two glue inlets are symmetrically opened on the side wall of the dosing ring, and the glue inlet of the dosing ring is connected with the glue inlet of the mixing cylinder. Two dosing grooves are also provided on the dosing ring, and the two dosing grooves are respectively arranged in the middle position of the two glue inlets on the dosing ring, and the dosing grooves are connected with the two glue inlets on the dosing ring, and the dosing grooves extend upward to form a glue outlet.

[0018] By adopting the above technical solution, the dosing ring and the dosing groove design thereon enable the glue to be initially mixed and distributed at a near 1:1 ratio before entering the mixing barrel, which helps to improve the uniformity and efficiency of subsequent mixing.

[0019] Optionally, the dosing ring is provided with a rotating shaft for rotating in the dosing trough, and stirring blades are arranged at intervals on the side walls of the rotating shaft. Two first holes are provided on the side walls of each dosing trough, and the two first holes are respectively connected to the two glue inlets on the dosing ring, and the two first holes are staggered on the horizontal projection plane.

[0020] By adopting the above technical solution, a rotating shaft and a stirring blade are arranged in the ingredient trough, which further enhances the effect of preliminary mixing; the two first holes are staggered so that the glue entering can jointly drive the stirring blade to rotate.

[0021] Optionally, the stirring blades are arranged in two groups along the length direction of the rotating shaft, and the two groups of stirring blades are staggered.

[0022] By adopting the above technical solution, the design of two sets of staggered stirring blades further improves the stirring efficiency, so that the glue can reach a uniform mixing state more quickly in the mixing tank.

[0023] Optionally, a bulk material ring is provided at the upper end of the dosing ring of the second cylinder, and two glue inlets are provided on the lower surface of the bulk material ring, and the two glue inlets of the bulk material ring are respectively connected with the two glue outlets on the dosing ring, a plurality of second holes are circumferentially spaced apart on the upper surface of the bulk material ring, and a connecting groove is provided circumferentially inside the bulk material ring, and the second holes are connected to the glue inlet of the bulk material ring through the connecting groove.

[0024] By adopting the above technical solution, the design of the bulk ring enables the glue to be more finely dispersed before entering the mixing barrel, avoiding the accumulation of glue at the entrance of the mixing barrel; the setting of the second hole and the connecting groove enables the glue to be more evenly distributed in the mixing barrel, thereby improving the mixing quality.

[0025] Optionally, a cooling cylinder is provided between the glue discharging cylinder and the second cylinder body, a cooling pipe is provided in the cooling cylinder, and the cooling pipe forms a water inlet pipe and a water outlet pipe on the side wall of the cooling cylinder.

[0026] By adopting the above technical solution, the cooling cylinder and the cooling tube design inside it effectively reduce the temperature of the glue in the mixing cylinder and the glue dispensing cylinder, prolong the solidification time of the glue, avoid the glue solidification problem when mixing or briefly staying in the glue dispensing cylinder, and ensure the dispensing quality.

[0027] In summary, this application has at least one of the following beneficial effects:

[0028] 1. The two components of glue are fed into the mixing barrel for stirring and then fed into the dispensing barrel. The screw valve controls the precise dispensing of glue, thereby improving the mixing effect of glue and the dispensing quality.

[0029] 2. The mixing ratio of glue by the batching ring and the dispersing and discharging method of glue by the bulk ring can pre-mix the glue and further improve the mixing effect of the glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural diagram of an embodiment of the present application;

[0031] Figure 2 It is a structural diagram of the dispensing system;

[0032] Figure 3 Schematic diagram of the cross-sectional structure of the mixing cylinder;

[0033] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0034] Figure 5 It is a schematic diagram of the cross-sectional structure of the batching ring;

[0035] Figure 6 It is a schematic diagram of the cross-sectional structure of the bulk ring.

[0036] Explanation of the accompanying symbols: 1. Machine body; 11. Glue dispensing system; 12. Glue supply system; 13. Motion control system; 14. Loading system; 15. Central control system; 16. First glue cylinder; 17. Second glue cylinder; 18. Control component; 2. Mixing cylinder; 21. First cylinder; 22. Second cylinder; 3. Glue discharge cylinder; 4. Stirring component; 41. Connecting rod; 42. Stirring rod; 43. Gear; 44. Rack; 5. Screw valve; 51. Power part; 52. Center shaft; 53. Screw body; 6. Dosing ring; 61. Dosing trough; 62. Rotating shaft; 63. Stirring blade; 64. First hole; 7. Bulk ring; 71. Second hole; 72. Connecting groove; 8. Cooling cylinder; 81. Cooling pipe; 82. Water inlet pipe; 83. Water outlet pipe. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-6 This application is described in further detail.

[0038] The embodiment of the present application discloses a dispensing device. Figure 1 The dispensing equipment in the embodiment of the present application is mainly used for dispensing two-component glue, especially AB glue mixed in a ratio of 1:1 on the workpiece. The dispensing equipment includes a body 1, and a dispensing system 11, a glue supply system 12, a motion control system 13, a loading system 14 and a central control system 15 arranged in the body 1; wherein, the dispensing system 11 is used to dispense glue on the workpiece; the glue supply system 12 is used to continuously provide two-component glue to the dispensing system 11, and the motion control system 13 is used to control the movement of the dispensing system 11 to drive the dispensing system 11 to approach the workpiece and dispense glue on different positions of the workpiece. Further optionally, the motion control system can also be provided with a high-resolution CCD identification and positioning system to measure the product height before dispensing and accurately identify the workpiece marking points to improve the accuracy of dispensing; the loading system 14 is used to place the workpiece and move the workpiece to a predetermined position below the dispensing system 11; the central control system 15 is used to control various operations of the entire dispensing machine; wherein, the glue supply system 12, the motion control system 13, the loading system 14 and the central control system 15 are existing technologies and will not be described in detail in the embodiments of this application.

[0039] Reference Figure 1 and Figure 2 In the embodiment of the present application, the relevant structures in the dispensing system 11 are further optimized, wherein the dispensing system 11 includes a first glue cylinder 16, a second glue cylinder 17, a mixing cylinder 2 and a glue outlet cylinder 3, and also includes a control component 18 for controlling the simultaneous dispensing of glue from the first glue cylinder 16 and the second glue cylinder 17, a stirring component 4 for stirring the glue in the mixing cylinder 2, and a screw valve 5 for controlling the dispensing of glue from the glue outlet cylinder 3.

[0040] Specifically, the first and second glue cartridges 16, 17 are used to hold two glue components, respectively. A mixing valve is located between the first and second glue cartridges 16, 17. The mixing cartridge 2 has two glue inlets at its upper and lower ends, each connected to the glue outlets of the first and second glue cartridges 16, 17. The control assembly 18 primarily comprises two dispensing valves, which can be either pneumatic or screw-operated. These two valves operate simultaneously, controlling the simultaneous delivery of the glue in the first and second glue cartridges 16, 17 into the mixing cartridge 2 at a 1:1 ratio for mixing.

[0041] Reference Figure 2 and Figure 3In the embodiment of the present application, the mixing barrel 2 is composed of a first barrel 21 at the upper end and a second barrel 22 at the lower end. The cross-section of the first barrel 21 at the upper end is circular, and the cross-section of the second barrel 22 at the lower end is annular. A mounting cavity is formed inside the second barrel 22. The upper end of the glue discharge barrel 3 is coaxially arranged in the mounting cavity, and the upper surface of the glue discharge barrel 3 is fixed to the lower surface of the first barrel 21. The two glue outlets of the mixing barrel 2 are respectively opened on two sides of the lower end of the second barrel 22, which are away from each other. The glue outlet of the mixing barrel 2 is opened at the bottom of the first barrel 21, and the glue outlet of the glue discharge barrel 3 is opened at the top center position and is opposite to the glue outlet of the mixing barrel 2. The two components of glue enter the mixing barrel 2 from the first barrel 21 and the second barrel 22, and then are fully mixed and can be sent to the glue discharge barrel 3, and then sent out from the glue discharge barrel 3 to dispense glue on the workpiece.

[0042] Reference Figure 3 and Figure 4 In the embodiment of the present application, the screw valve 5 includes a power part 51, a central shaft 52 and a screw body 53, wherein the power part 51 is preferably a motor, the output shaft of the motor is vertically arranged and connected to the central shaft 52, the lower end of the central shaft 52 passes through the top plate of the first cylinder 21 and is inserted into the first cylinder 21, and the central shaft 52 is connected to the first cylinder 21 for relative rotation by means of a sealing bearing or the like; the screw body 53 mainly includes a column body and spiral leaves spirally wound on the column body, the upper end of the screw body 53 is connected to the central shaft 52, and the lower end extends into the glue discharging cylinder 3, and the spiral leaves on the screw body 53 abut against the inner wall of the glue discharging cylinder 3. When the motor drives the screw body 53 to rotate, the spiral leaves on the screw body 53 can continuously push the glue in the upper first cylinder 21 downward to the glue discharging end during the rotation process.

[0043] Reference Figure 3 and Figure 4 In the embodiment of the present application, the stirring assembly 4 includes a connecting rod 41 and a stirring rod 42. One end of the connecting rod 41 is fixed to the side wall of the central shaft 52, and the connecting rod 41 is preferably arranged perpendicular to the central shaft 52. The other ends are connected to the stirring rods 42, and the lower ends of the stirring rods 42 extend downward into the second barrel 22. When the central shaft 52 rotates, it drives the connecting rod 41 to rotate, and the stirring rods 42 are driven by the connecting rod 41 to rotate circumferentially within the second barrel 22, thereby stirring and mixing the glue entering the mixing barrel 2 from the lower glue inlet; as the glue is continuously fed into the glue inlet, the mixed glue moves upward under the push of the new glue entering from the lower end, and is fed into the glue outlet barrel 3 from the upper glue outlet, thereby fully mixing the two components of the glue and improving the dispensing effect.

[0044] Reference Figure 3 and Figure 4In the embodiment of the present application, the stirring assembly 4 further includes a gear 43 and a rack 44. Specifically, the upper end of the stirring rod 42 is rotatably mounted on the connecting rod 41, the gear 43 is coaxially sleeved on the outer wall of the stirring rod 42, and the rack 44 is circumferentially fixed to the inner wall of the first cylinder 21, and the gear 43 and the rack 44 are meshed. When the connecting rod 41 rotates along the central axis 52, the stirring rod 42 rotates circumferentially corresponding to the inner circumference of the second cylinder 22, driving the two types of glue to mix with each other; with the cooperation of the gear 43 and the rack 44, the stirring rod 42 can also rotate along its own centerline at the same time, further stirring and mixing the local glue, thereby improving the mixing effect. Preferably, multiple connecting rods 41 are circumferentially fixed on the central axis 52, and each connecting rod 41 is provided with a stirring rod 42 and a gear 43 in a one-to-one correspondence, and all gears 43 are meshed with the rack 44.

[0045] Preferably, in order to improve the stirring and mixing effect, the lower end of the stirring rod 42 may be wavy, or may be fixed with multiple spirally rotating stirring sleeves, so that when the stirring rod 42 rotates along its own center, the local stirring effect can be improved.

[0046] Reference Figure 4 and Figure 5 In an optional embodiment, a dosing ring 6 is fixed to the bottom of the second cylinder 22, and the dosing ring 6 is annular; two glue inlets are symmetrically provided on the outer wall of the dosing ring 6, and the glue inlet of the dosing ring 6 is aligned with the glue inlet of the mixing cylinder 2 and is connected to each other; two dosing grooves 61 are also provided on the dosing ring 6, and the two dosing grooves 61 are respectively arranged in the middle position of the two glue inlets on the dosing ring 6. From the horizontal plane, the two glue inlets and the two dosing grooves 61 are respectively located at four points that divide the dosing ring 6 into four equal parts, and the dosing grooves 61 are connected with the two glue inlets on the dosing ring 6. The glue entering the dosing ring 6 from the first glue cylinder 16 and the second glue cylinder 17 flows to the dosing grooves 61 along the same distance; at the same time, the dosing grooves 61 extend upward to the upper surface of the dosing ring 6 to form a glue outlet.

[0047] In this design, the dosing ring 6 acts like a doser, premixing the glue from the first and second glue cartridges 16 and 17 in a ratio close to 1:1. The mixed glue is then fed into the mixing drum 2 for a second mixing. This design allows the premixed glue to settle more easily within the mixing drum 2, making it easier for the two glues to reach a uniform state.

[0048] Reference Figure 5Preferably, the dosing ring 6 is coaxially provided with a rotating shaft 62 in the dosing trough 61. The rotating shaft 62 is a circular cylinder, and the lower end of the rotating shaft 62 is rotatably connected to the dosing ring 6; stirring blades 63 are fixed at intervals on the side wall of the rotating shaft 62, and a plurality of stirring blades 63 are arranged circumferentially. Two first holes 64 are provided on the side wall of each dosing trough 61. The two first holes 64 are respectively connected to the two glue inlets on the dosing ring 6, and the two first holes 64 are staggered on the horizontal projection plane. This design can enable the two glues to form a reasoning in one direction with the stirring blades 63 when entering the dosing trough 61, so that the stirring blades 63 drive the rotating shaft 62 to rotate, and the rotating stirring blades 63 can break up the two glues, thereby quickly forming an initial mixed state.

[0049] Furthermore, two groups of stirring blades 63 can be provided along the length of the rotating shaft 62, and the two groups of stirring blades 63 are staggered and fixed. Such a design can further improve the stirring effect, because when the rotating shaft 62 rotates, the two groups of stirring blades 63 will work alternately, so that the glue in the ingredient trough 61 is subjected to shear force multiple times, thereby achieving a better mixing effect.

[0050] Reference Figure 4 and Figure 6 In an optional embodiment, a bulk ring 7 is further fixed to the upper end of the dosing ring 6 of the second barrel 22. Two glue inlets are defined on the lower surface of the bulk ring 7, and the two glue inlets of the bulk ring 7 are respectively connected to the two glue outlets on the dosing ring 6. A plurality of second holes 71 are circumferentially spaced apart on the upper surface of the bulk ring 7, and a connecting groove 72 is defined circumferentially within the bulk ring 7. The second holes 71 are connected to the glue inlets of the bulk ring 7 through the connecting groove 72. The bulk ring 7 can disperse the glue again before it enters the mixing barrel 2, ensuring that the glue is evenly distributed within the mixing barrel 2 upon entering, thereby allowing the glue to more evenly cover the entire cross-section upon entering the mixing barrel 2.

[0051] Reference Figure 3 and Figure 4In an optional embodiment, a cooling cylinder 8 is provided between the glue discharge cylinder 3 and the second cylinder 22. Correspondingly, the inner and outer side walls of the cooling cylinder 8 are respectively in contact with the outer wall of the glue discharge cylinder 3 and the inner wall of the second cylinder 22. A cooling pipe 81 is provided in the cooling cylinder 8. Correspondingly, the interior of the cooling cylinder 8 is hollow, and the cooling cylinder 8 can be preferably filled with condensate. The cooling pipe 81 is arranged to meander around the cooling cylinder 8. The design of the cooling pipe 81 can be serpentine or coil-shaped to increase the heat exchange area and improve the cooling efficiency. The two ends of the cooling pipe 81 form an inlet pipe 82 and an outlet pipe 83 on the side wall of the cooling cylinder 8. External coolant can enter the cooling pipe 81 from the inlet pipe 82 and finally be discharged from the outlet pipe 83. The main purpose of the cooling cylinder 8 is to control the temperature of the glue, prevent the glue from solidifying during the mixing process in the mixing cylinder 2, and when it stays in the glue discharge cylinder 3 for a short time, which affects the quality of the glue. The coolant can be water or antifreeze, and the appropriate cooling medium is selected according to the actual working conditions. At the same time, the cooling pipe 81 may also be designed in a cooling channel instead.

[0052] The implementation principle of a dispensing device in an embodiment of the present application is as follows: when dispensing glue to a workpiece, the two glues in the first glue cylinder 16 and the second glue cylinder 17 are injected into the mixing cylinder 2 at the same time. After entering the mixing cylinder 2, the two glues first pass through the dosing ring 6. After entering the dosing ring 6, the two glues flow along the channel in the dosing ring 6 in two parts, and converge in the dosing groove 61 to form an approximately 1:1 ratio, and are preliminarily mixed by the stirring blade 63 in the dosing groove 61 to form a mixed glue; then the mixed glue enters the bulk ring 7, passes through the connecting groove 72 in the bulk ring 7, and is sent into the inner cavity of the mixing cylinder 2 from the second hole 71 at the upper end; after being stirred by the stirring rod 42, the mixed glue gradually moves upward, and enters the glue outlet cylinder 3 from the glue outlet of the mixing cylinder 2, and is sent out of the glue outlet cylinder 3 as driven by the screw valve 5 to dispense glue to the workpiece.

[0053] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A dispensing device, characterized in that: The invention comprises a machine body (1), a first glue cylinder (16), a second glue cylinder (17), a mixing cylinder (2) and a glue discharge cylinder (3) arranged on the machine body (1), and further comprises a control component (18) for controlling the first glue cylinder (16) and the second glue cylinder (17) to discharge glue at the same time, a stirring component (4) for stirring the glue in the mixing cylinder (2), and a screw valve (5) for controlling the glue discharge from the glue discharge cylinder (3); Two glue inlets are provided on the side wall of the lower end of the mixing cylinder (2), and the glue outlets of the first glue cylinder (16) and the second glue cylinder (17) are respectively connected to the two glue inlets of the mixing cylinder (2). A glue outlet is provided on the upper end of the mixing cylinder (2), and the glue outlet of the mixing cylinder (2) is connected to the glue inlet of the glue outlet cylinder (3); The screw valve (5) comprises a power member (51), a central shaft (52) and a screw body (53) connected in sequence from top to bottom, the power member (51) is used to drive the central shaft (52) to rotate, the screw body (53) and the central shaft (52) pass through the mixing barrel (2) and extend into the discharging barrel (3), the stirring assembly (4) comprises a connecting rod (41) and a stirring rod (42), one end of the connecting rod (41) is connected to the central shaft (52), and the other end of the connecting rod (41) is connected to the stirring rod (42), the stirring rod (42) extends in a vertical direction, and the connecting rod (41) and the stirring rod (42) are both arranged in the mixing barrel (2); The mixing cylinder (2) is arranged between the first rubber cylinder (16) and the second rubber cylinder (17), and the mixing cylinder (2) is composed of a circular first cylinder (21) located at the upper end and a circular second cylinder (22) located at the lower end. The first cylinder (21) and the second cylinder (22) are connected. The upper end of the glue outlet cylinder (3) is coaxially arranged in the second cylinder (22), and the glue outlet of the mixing cylinder (2) is opened on the first cylinder (21); A dosing ring (6) is provided at the bottom of the second cylinder (22), and two glue inlets are symmetrically provided on the side wall of the dosing ring (6), and the glue inlet of the dosing ring (6) is connected to the glue inlet of the mixing cylinder (2). Two dosing grooves (61) are also provided on the dosing ring (6), and the two dosing grooves (61) are respectively provided in the middle of the two glue inlets on the dosing ring (6). The dosing grooves (61) are connected to the two glue inlets on the dosing ring (6), and the dosing grooves (61) extend upward to form a glue outlet; The dosing ring (6) is provided with a rotating shaft (62) for rotation in the dosing trough (61), and stirring blades (63) are provided at intervals on the side wall of the rotating shaft (62). Two first holes (64) are provided on the side wall of each dosing trough (61), and the two first holes (64) are respectively connected to the two glue inlets on the dosing ring (6), and the two first holes (64) are staggered on the horizontal projection plane; The second cylinder (22) is provided with a bulk material ring (7) at the upper end of the dosing ring (6); the bulk material ring (7) is provided with two glue inlets on the lower surface, and the two glue inlets of the bulk material ring (7) are respectively connected with the two glue outlets on the dosing ring (6); a plurality of second holes (71) are provided at intervals in the circumferential direction on the upper surface of the bulk material ring (7), and a connecting groove (72) is provided in the circumferential direction inside the bulk material ring (7); the second holes (71) are connected with the glue inlets of the bulk material ring (7) through the connecting groove (72).

2. A dispensing device according to claim 1, characterized in that: The upper end of the stirring rod (42) is rotatably connected to the connecting rod (41), and the lower end of the stirring rod (42) is wavy and extends into the second cylinder (22). The stirring assembly (4) also includes a gear (43) coaxially sleeved on the upper end of the connecting rod (41), and a rack (44) provided on the first cylinder (21). The rack (44) is circumferentially arranged along the inner wall of the first cylinder (21), and the gear (43) is meshed with the rack (44).

3. A dispensing device according to claim 2, characterized in that: The connecting rod (41), the stirring rod (42) and the gear (43) are arranged in a plurality in a one-to-one correspondence with the central axis (52) in the circumferential direction, and all the gears (43) are combined with the rack (44).

4. A dispensing device according to claim 3, characterized in that: The stirring blades (63) are arranged in two groups along the length direction of the rotating shaft (62), and the two groups of stirring blades (63) are arranged in a staggered manner.

5. A dispensing device according to any one of claims 1 to 4, characterized in that: A cooling cylinder (8) is provided between the discharging cylinder (3) and the second cylinder (22), a cooling pipe (81) is provided in the cooling cylinder (8), and the cooling pipe (81) forms a water inlet pipe (82) and a water outlet pipe (83) on the side wall of the cooling cylinder (8).

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