Hot melt adhesive stirring device

Abstract

The present application provides a hot melt adhesive stirring device, including a stirring kettle main body and a stirring mechanism arranged therein, wherein the stirring mechanism includes a main shaft, a counterweight block arranged at the bottom of the main shaft, a plurality of impeller assemblies arranged around the outer circumference of the main shaft, and a connecting assembly arranged between the main shaft and the impeller assembly. By setting the connecting assembly between the main shaft and the impeller assembly, the impeller assembly can be detachably connected to the main shaft, and the main shaft can be directly installed during assembly without considering the interference of the impeller assembly with other equipment and without multiple measurements and positioning. When the hot melt adhesive category is changed to clean the stirring kettle, the impeller assembly can be removed from the main shaft and removed from the stirring kettle through the manhole, which can avoid the operator from working in the stirring kettle for a long time and reduce the risk factor of the operation. It has the advantages of simple structure, easy installation, low implementation cost, and easy promotion and implementation.

Description

Technical Field

[0001] The present application belongs to the technical field of hot melt adhesive production, and specifically relates to a hot melt adhesive stirring device. Background Art

[0002] In the prior art, hot melt adhesive is a plastic adhesive whose physical state changes with temperature within a certain temperature range, while its chemical properties remain unchanged. It is non-toxic and odorless and is an environmentally friendly chemical product. It is popular because the product itself is solid, easy to package, transport, store, solvent-free, pollution-free, non-toxic, and has the advantages of simple production process, high added value, high bonding strength, and fast speed. However, in the actual production process of hot melt adhesive, there are still many deficiencies that cannot meet the needs of actual production.

[0003] In the prior art, during the hot melt adhesive production process, the hot melt adhesive material needs to be stirred. After the stirring of one category of hot melt adhesive material is completed, the stirring mechanism needs to be cleaned to ensure the purity of the next category of hot melt adhesive. In the actual production process, after the hot melt adhesive material is stirred, since the stirring impeller in the prior art is usually integrated, on the one hand, the production operator needs to clean the stirring impeller through the manhole inside the stirring mechanism. During the cleaning process, the production operator is in the sealed stirring tank for a long time, there are major safety hazards, endangering the life of the production operator. On the other hand, the assembly process is complicated, the integrated stirring impeller occupies a large area, and needs to be installed using lifting equipment, which is cumbersome to operate. Therefore, improvements are urgently needed. Utility Model Content

[0004] In order to solve the technical problems in the prior art that, in the hot melt adhesive production process, the impeller of the stirring kettle is usually manufactured in one piece, and in the actual implementation process, the steps for assembling the impeller into the stirring kettle are cumbersome, multiple positioning is required, and the operation is inconvenient. During the cleaning process of the inside of the stirring kettle, the operator needs to stay in the main body of the stirring kettle for a long time, which is a high risk. A hot melt adhesive stirring device is proposed.

[0005] The present application adopts the following scheme, a hot melt adhesive stirring device, including a stirring kettle main body, and a stirring mechanism arranged in the stirring kettle main body, the stirring mechanism includes a main shaft, a counterweight block arranged at the bottom of the main shaft, a plurality of impeller assemblies arranged around the outer circumference of the main shaft, and a connecting assembly arranged between the main shaft and the plurality of impeller assemblies, the connecting assembly is used to enable the plurality of impeller assemblies to be detachably arranged on the main shaft.

[0006] Furthermore, the impeller assembly includes a plurality of horizontal impellers arranged in a direction perpendicular to the main shaft axis, and a vertical impeller arranged perpendicularly on the plurality of horizontal impellers, and the plurality of horizontal impellers are symmetrically arranged relative to the main shaft axis.

[0007] Furthermore, the connecting assembly includes an arc-shaped connecting piece arranged on one end of the horizontal impeller close to the main shaft, an arc-shaped connecting groove arranged on the arc-shaped connecting piece, connecting flanges arranged on both sides of the arc-shaped connecting piece, and a first connecting hole group arranged on the connecting flange. The main shaft can be matched in the arc-shaped connecting groove. When the two horizontal impellers are symmetrically arranged relative to the axis of the main shaft, the two arc-shaped connecting grooves jointly form a main connecting hole matching the main shaft, the two connecting flanges fit each other, the main shaft can be matched in the main connecting hole, and the fastener can be matched and passed through the first connecting hole group, so that the two horizontal impellers can be removably arranged on the main shaft at the same time.

[0008] Furthermore, the connecting assembly also includes a plurality of connecting ears arranged at intervals along the length direction of the vertical impeller, and a second connecting hole group arranged between the connecting ears and the other end of the horizontal impeller. When the plurality of connecting ears are simultaneously mounted on a plurality of horizontal impellers, fasteners can be matched and passed through the second connecting hole group so that the vertical impeller can be removably mounted on the end of the horizontal impeller away from the main shaft.

[0009] Furthermore, a positioning assembly is provided between the main shaft and the horizontal impeller, and the positioning assembly includes a plurality of positioning protrusions arranged at intervals along the length direction of the main shaft, and a positioning groove arranged at the bottom of the arc-shaped connecting groove, and the positioning protrusion can be matched and extended into the positioning groove so that the horizontal impeller can be removably installed on the main shaft.

[0010] Furthermore, a buffer pad is provided between the positioning protrusion and the positioning groove, and the material of the buffer pad is styrene-butadiene rubber.

[0011] Furthermore, the horizontal impeller includes an inner shearing portion provided on the arc-shaped connecting member, and an outer shearing portion provided on the inner shearing portion, the thickness of the outer shearing portion is smaller than the thickness of the inner shearing portion, and a shearing surface is provided between the inner shearing portion and the outer shearing portion.

[0012] Furthermore, the stirring tank body includes a mixing tank, a feed port arranged on the mixing tank, a discharge port arranged at the bottom of the mixing tank, and a support seat arranged on the mixing tank, and the support seat is used to support the mixing tank on a reference plane.

[0013] Furthermore, the stirring tank body also includes an observation port arranged on the top of the mixing tank, and a transparent observation cover arranged on the observation port, and the observation port is used for allowing a user to observe the mixing situation inside the mixing tank.

[0014] Furthermore, a plurality of sampling holes are provided at intervals along the length direction of the outer circumference of the mixing tank, and a sampling rod is matched in each sampling hole. The sampling rod can extend into the mixing tank through the sampling hole to obtain the hot melt adhesive material in the mixing tank.

[0015] Compared with the prior art, this application has the following beneficial effects:

[0016] The present application provides a hot melt adhesive stirring device, including a stirring kettle main body and a stirring mechanism arranged therein, wherein the stirring mechanism includes a main shaft, a counterweight block arranged at the bottom of the main shaft, a plurality of impeller assemblies arranged around the outer circumference of the main shaft, and a connecting assembly arranged between the main shaft and the impeller assembly. By setting the connecting assembly between the main shaft and the impeller assembly, the impeller assembly can be detachably connected to the main shaft, and the main shaft can be directly installed during assembly without considering the interference of the impeller assembly with other equipment and without multiple measurements and positioning. When the hot melt adhesive category is changed to clean the stirring kettle, the impeller assembly can be removed from the main shaft and removed from the stirring kettle through the manhole, which can avoid the operator from working in the stirring kettle for a long time and reduce the risk factor of the operation. It has the advantages of simple structure, easy installation, low implementation cost, and easy promotion and implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments.

[0018] Figure 1 It is a structural schematic diagram of the hot melt adhesive stirring device of the present application;

[0019] Figure 2 is a top view of the hot melt adhesive stirring device of the present application;

[0020] Figure 3 This application Figure 2 Sectional view at AA in the middle;

[0021] Figure 4 It is a structural schematic diagram of the stirring mechanism of the present application;

[0022] Figure 5 It is a schematic diagram of the exploded structure of the stirring mechanism of the present application;

[0023] Figure 6 This application Figure 5 A partial enlarged view of middle A;

[0024] Figure 7 It is a structural schematic diagram of the horizontal stirring impeller of the present application. DETAILED DESCRIPTION

[0025] Combined with Figure 1-7As shown, the technical scheme is further described, the hot melt adhesive stirring device includes a stirring kettle main body 1, and a stirring mechanism 2 arranged in the stirring kettle main body 1, the stirring mechanism 2 includes a main shaft 20, a counterweight block 21 arranged at the bottom of the main shaft 20, a plurality of impeller assemblies 22 arranged around the outer periphery of the main shaft 20, and a connecting assembly 23 arranged between the main shaft 20 and the plurality of impeller assemblies 22, the connecting assembly 23 is used to make the plurality of impeller assemblies 22 detachable from the main shaft 20.

[0026] The present application provides a hot melt adhesive stirring device, including a stirring kettle main body and a stirring mechanism arranged therein, wherein the stirring mechanism includes a main shaft, a counterweight block arranged at the bottom of the main shaft, a plurality of impeller assemblies arranged around the outer circumference of the main shaft, and a connecting assembly arranged between the main shaft and the impeller assembly. By setting the connecting assembly between the main shaft and the impeller assembly, the impeller assembly can be detachably connected to the main shaft, and the main shaft can be directly installed during assembly without considering the interference of the impeller assembly with other equipment and without multiple measurements and positioning. When the hot melt adhesive category is changed to clean the stirring kettle, the impeller assembly can be removed from the main shaft and removed from the stirring kettle through the manhole, which can avoid the operator from working in the stirring kettle for a long time and reduce the risk factor of the operation. It has the advantages of simple structure, easy installation, low implementation cost, and easy promotion and implementation.

[0027] During the implementation of this embodiment, the impeller assembly 22 includes a plurality of horizontal impellers 24 arranged along a direction perpendicular to the axis of the main shaft 20, and a vertical impeller 25 arranged perpendicularly on the plurality of horizontal impellers 24. The plurality of horizontal impellers 24 are symmetrically arranged relative to the axis of the main shaft 20.

[0028] In the actual implementation process, by setting a counterweight at the bottom of the main shaft, the rotational balance stability can be increased, and the stirring force can be enhanced during the hot melt adhesive stirring process: the counterweight can increase the power delivered to the main shaft by the driving part, making the stirring more powerful, helping to break up the agglomerates in the rubber and promote the uniform mixing of the rubber components. Furthermore, by optimizing the weight and distribution of the counterweight, the rotation speed and mode of the stirring mechanism can be adjusted to make the stirring more uniform, especially for the dead corners that may appear at the bottom and edge of the stirring kettle body, the counterweight can help achieve more comprehensive stirring coverage.

[0029] During the implementation of this embodiment, the connecting assembly 23 includes an arc-shaped connecting piece 230 provided on one end of the horizontal impeller 24 close to the main shaft 20, an arc-shaped connecting groove 231 provided on the arc-shaped connecting piece 230, connecting flanges 232 provided on both sides of the arc-shaped connecting piece 230, and a first connecting hole group 233 provided on the connecting flange 232. The main shaft 20 can be matched in the arc-shaped connecting groove 231. When the two horizontal impellers 24 are symmetrically arranged relative to the axis of the main shaft 20, the fasteners can be matched and penetrated in the first connecting hole group 233, so that the two horizontal impellers 24 can be removably arranged on the main shaft 20 at the same time.

[0030] During the actual implementation process, when assembling the stirring mechanism, a horizontal impeller can be installed on the main shaft through an arc-shaped connecting groove, and then another horizontal impeller can be symmetrically installed on the other side of the main shaft in the same way, and then the fasteners can be passed through the first connecting hole group, so that the horizontal impeller can be detachably installed on the main shaft.

[0031] In the actual implementation process, in order to reduce the cleaning burden of the stirring tank body, the outer surface of the main shaft, the outer surface of the horizontal impeller, and the outer surface of the vertical impeller are coated with a polytetrafluoroethylene coating.

[0032] In actual implementation, multiple horizontal impellers can be staggered along the length direction of the main shaft to increase the contact area between the horizontal impellers and the hot melt adhesive material in the stirring kettle body.

[0033] During the implementation of this embodiment, the connecting assembly 23 also includes a plurality of connecting ears 234 arranged at intervals along the length direction of the vertical impeller 25, and a second connecting hole group 235 arranged between the connecting ears 234 and the other end of the horizontal impeller 24. When the plurality of connecting ears 234 are simultaneously mounted on a plurality of horizontal impellers 24, fasteners can be matched and penetrated into the second connecting hole group 235, so that the vertical impeller 25 can be removably arranged on the end of the horizontal impeller 24 away from the main shaft 20.

[0034] During the implementation of this embodiment, a positioning assembly 3 is provided between the main shaft 20 and the horizontal impeller 24. The positioning assembly 3 includes a plurality of positioning protrusions 30 arranged at intervals along the length direction of the main shaft 20, and a positioning groove 31 arranged at the bottom of the arc-shaped connecting groove 231. The positioning protrusion 30 can be matched and extended into the positioning groove 31, so that the horizontal impeller 24 can be removably arranged on the main shaft 20.

[0035] During the implementation of this embodiment, a buffer pad is provided between the positioning protrusion 30 and the positioning groove 31 , and the material of the buffer pad is styrene-butadiene rubber.

[0036] During the actual implementation process, by setting a positioning component, the installation convenience of the horizontal impeller can be improved. By setting a buffer pad, on the one hand, the wear between the horizontal impeller and the main shaft can be avoided. On the other hand, when the positioning convex edge is matched in the positioning groove, the positioning convex edge and the positioning groove have an interference fit, and the horizontal impeller can be mounted on the impeller. No human support is required during the installation process, which facilitates the installation of fasteners and improves the convenience of installation.

[0037] During the implementation of this embodiment, the horizontal impeller 24 includes an inner shear portion 240 provided on the arc-shaped connecting member 230, and an outer shear portion 241 provided on the inner shear portion 240, the thickness of the outer shear portion 241 is smaller than the thickness of the inner shear portion 240, and a shear surface 242 is provided between the inner shear portion 240 and the outer shear portion 241.

[0038] During the implementation of this embodiment, the stirring tank body 1 includes a mixing tank 10, a feed port 11 provided on the mixing tank 10, a discharge port 12 provided at the bottom of the mixing tank 10, and a support base 13 provided on the mixing tank 10, and the support base 13 is used to support the mixing tank 10 on a reference plane.

[0039] During the implementation of this embodiment, the stirring tank body 1 also includes an observation port 14 provided on the top of the mixing tank 10 and a transparent observation cover provided on the observation port 14 , and the observation port is used for allowing the user to observe the mixing condition inside the mixing tank 10 .

[0040] During the implementation of this embodiment, a plurality of sampling holes 15 are provided at intervals along the length direction of the outer circumference of the mixing tank 10. A sampling rod is matched in each sampling hole 15. The sampling rod can be matched and extended into the mixing tank 10 through the sampling hole 15 to obtain the hot melt adhesive material in the mixing tank 10.

[0041] During the actual implementation process, a temperature sensor is also provided on the mixing tank. The temperature sensor is used to sense the temperature of the hot melt adhesive in the mixing tank, so that the user can control the mixing conditions and improve product quality.

[0042] The present application provides a hot melt adhesive stirring device, including a stirring kettle main body and a stirring mechanism arranged therein, wherein the stirring mechanism includes a main shaft, a counterweight block arranged at the bottom of the main shaft, a plurality of impeller assemblies arranged around the outer circumference of the main shaft, and a connecting assembly arranged between the main shaft and the impeller assembly. By setting the connecting assembly between the main shaft and the impeller assembly, the impeller assembly can be detachably connected to the main shaft, and the main shaft can be directly installed during assembly without considering the interference of the impeller assembly with other equipment and without multiple measurements and positioning. When the hot melt adhesive category is changed to clean the stirring kettle, the impeller assembly can be removed from the main shaft and removed from the stirring kettle through the manhole, which can avoid the operator from working in the stirring kettle for a long time and reduce the risk factor of the operation. It has the advantages of simple structure, easy installation, low implementation cost, and easy promotion and implementation.

[0043] The above are only embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot melt adhesive stirring device, characterized in that: The invention comprises a stirring kettle body (1), and a stirring mechanism (2) arranged in the stirring kettle body (1), wherein the stirring mechanism (2) comprises a main shaft (20), a counterweight block (21) arranged at the bottom of the main shaft (20), a plurality of impeller assemblies (22) arranged around the outer circumference of the main shaft (20), and a connecting assembly (23) arranged between the main shaft (20) and the plurality of impeller assemblies (22), wherein the connecting assembly (23) is used to enable the plurality of impeller assemblies (22) to be detachably arranged on the main shaft (20).

2. The hot melt adhesive stirring device according to claim 1, characterized in that: The impeller assembly (22) comprises a plurality of horizontal impellers (24) arranged in a direction perpendicular to the axis of the main shaft (20), and a vertical impeller (25) arranged perpendicularly on the plurality of horizontal impellers (24); the plurality of horizontal impellers (24) are arranged symmetrically relative to the axis of the main shaft (20).

3. The hot melt adhesive stirring device according to claim 2, characterized in that: The connecting assembly (23) comprises an arc-shaped connecting piece (230) arranged on one end of the horizontal impeller (24) close to the main shaft (20), an arc-shaped connecting groove (231) arranged on the arc-shaped connecting piece (230), connecting flanges (232) arranged on both sides of the arc-shaped connecting piece (230), and a first connecting hole group (233) arranged on the connecting flange (232); the main shaft (20) can be matched and arranged in the arc-shaped connecting groove (231); when the two horizontal impellers (24) are symmetrically arranged relative to the axis of the main shaft (20), a fastener can be matched and penetrated in the first connecting hole group (233), so that the two horizontal impellers (24) can be detachably arranged on the main shaft (20) at the same time.

4. The hot melt adhesive stirring device according to claim 3, characterized in that: The connecting assembly (23) further comprises a plurality of connecting ears (234) arranged at intervals along the length direction of the vertical impeller (25), and a second connecting hole group (235) arranged between the connecting ears (234) and the other end of the horizontal impeller (24); when the plurality of connecting ears (234) are simultaneously mounted on a plurality of horizontal impellers (24), a fastener can be matched and penetrated into the second connecting hole group (235), so that the vertical impeller (25) can be detachably arranged on the end of the horizontal impeller (24) away from the main shaft (20).

5. The hot melt adhesive stirring device according to claim 3, characterized in that: A positioning assembly (3) is provided between the main shaft (20) and the horizontal impeller (24), the positioning assembly (3) comprising a plurality of positioning protrusions (30) arranged at intervals along the length direction of the main shaft (20), and a positioning groove (31) provided at the bottom of the arc-shaped connecting groove (231), the positioning protrusion (30) being able to match and extend into the positioning groove (31), so that the horizontal impeller (24) can be detachably provided on the main shaft (20).

6. The hot melt adhesive stirring device according to claim 5, characterized in that: A buffer pad is provided between the positioning protrusion (30) and the positioning groove (31), and the material of the buffer pad is styrene-butadiene rubber.

7. The hot melt adhesive stirring device according to claim 3, characterized in that: The horizontal impeller (24) comprises an inner shearing portion (240) provided on the arc-shaped connecting member (230), and an outer shearing portion (241) provided on the inner shearing portion (240), the thickness of the outer shearing portion (241) being smaller than the thickness of the inner shearing portion (240), and a shearing surface (242) being provided between the inner shearing portion (240) and the outer shearing portion (241).

8. The hot melt adhesive stirring device according to claim 1, characterized in that: The stirring tank body (1) comprises a mixing tank (10), a feed port (11) arranged on the mixing tank (10), a discharge port (12) arranged at the bottom of the mixing tank (10), and a support base (13) arranged on the mixing tank (10), wherein the support base (13) is used to support the mixing tank (10) on a reference plane.

9. The hot melt adhesive stirring device according to claim 8, characterized in that: The stirring tank body (1) further comprises an observation port (14) arranged on the top of the mixing tank (10), and a transparent observation cover arranged on the observation port (14), wherein the observation port is used for allowing a user to observe the mixing conditions inside the mixing tank (10).

10. The hot melt adhesive stirring device according to claim 8, characterized in that: The outer circumference of the mixing tank (10) is provided with a plurality of sampling holes (15) at intervals along its length direction, and a sampling rod is matched in each of the sampling holes (15). The sampling rod can be matched and extended into the mixing tank (10) through the sampling hole (15) to obtain the hot melt adhesive material in the mixing tank (10).

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