CN220239084U - Mixing rod and rubber outlet pipe of multi-component adhesive - Google Patents

Abstract

The utility model provides a mixing rod and a rubber outlet pipe of a multi-component adhesive, wherein the mixing rod comprises at least one first mixing part and at least one second mixing part which are axially arranged; the first mixing part and the second mixing part respectively comprise at least two first cutting units and at least two second cutting units, and all the first cutting units and the second cutting units are axially arranged and can sequentially cut and mix the adhesive; the first dividing unit comprises a first dividing surface, and the second dividing unit comprises at least two extrusion surfaces, a second dividing surface which is respectively and vertically connected with the at least two extrusion surfaces, and at least two circulation channels which are respectively arranged between the adjacent extrusion surfaces. The multicomponent adhesive passes through each section of the mixing rod successively and can be mixed more uniformly, so that the adhesive products are cured and formed more quickly, and the adhesive strength and the service life of the adhesive products are effectively improved.

Description

Mixing rod and rubber outlet pipe of multi-component adhesive

Technical Field

The utility model relates to the field of glue spreading devices, in particular to a multi-component adhesive glue spreading device.

Background

Many multi-component adhesive products, especially two-component adhesive products, are currently available in the market, including joint beautifying agents, sealants and the like used in building decoration. Such products require the two components of the product to be thoroughly mixed prior to construction and then subjected to construction. During concrete construction, the two-component product is installed in the glue gun, the two components are extruded into the mixer of the glue tube by utilizing the thrust of the glue gun to be mixed, the mixer of the glue tube is usually designed into a spiral structure so as to fully mix the two components, and the two components are applied after being mixed, so that chemical reactions such as crosslinking and the like can be completed, and the adhesive product is solidified and formed.

However, in the prior art, the two-component adhesive products are mixed by such a mixer, which has the problem that the mixing of the two components is insufficient, so that the adhesive strength is reduced, the curing of the adhesive is incomplete, and even the active components in the adhesive are invalid or deteriorated, thereby influencing the service life of the adhesive.

Disclosure of Invention

Based on this, the present utility model aims to overcome the drawbacks of the prior art and to provide a mixing rod and a dispensing tube which enable a thorough mixing of the multicomponent bonds prior to application.

A mixing rod of a multi-component adhesive, comprising at least one first mixing part and at least one second mixing part which are axially arranged; the first mixing part and the second mixing part respectively comprise at least two first cutting units and at least two second cutting units, and all the first cutting units and the second cutting units are axially arranged and can sequentially cut and mix the adhesive; the first dividing unit comprises a first dividing surface, and the second dividing unit comprises at least two extrusion surfaces, a second dividing surface which is respectively and vertically connected with the at least two extrusion surfaces, and two circulation channels which are respectively arranged between the adjacent extrusion surfaces.

Further, the two end edges of the first parting plane are rotated by 120-240 degrees relative to each other. Preferably 180 °, 170 ° or 190 °.

Specifically, two opposite end edges between adjacent first dividing units have an included angle of 60-90 degrees.

Further, the extrusion surface is perpendicular to the axial direction of the mixing rod, the two second cutting surfaces are respectively positioned on two intersecting planes, and an included angle of 60-90 degrees is formed between the two intersecting planes.

Further, between the adjacent second splitting units, their respective pressing surfaces do not overlap in the axial direction of the mixing rod, and their respective flow channels overlap with the pressing surfaces of the adjacent second splitting units in the axial direction of the mixing rod, which may be partially overlapping or completely overlapping.

Specifically, two diagonally arranged fan-shaped extrusion surfaces are arranged in total, one common diameter of the two fan-shaped extrusion surfaces is connected with one second cutting surface, the other common diameter of the two fan-shaped extrusion surfaces is connected with the other second cutting surface, and the two circulating channels are clamped between the two pairs of diameters of the two fan-shaped extrusion surfaces.

Further, the second mixing part further comprises connecting ribs which are arranged on the outer side and sequentially connected with a plurality of second cutting units.

Specifically, two connecting ribs are arranged, and the connecting ribs are respectively connected to the outer sides of the two extrusion surfaces of the second cutting unit and are respectively connected to two side end surfaces of one second cutting surface of the second cutting unit.

Specifically, the mixing rod comprises two second mixing parts which are respectively arranged at two ends, and a first mixing part which is arranged in the middle.

Specifically, the second compounding portion length that sets up at both ends is the same, and second compounding portion: the ratio of the lengths of the first mixing parts is (2:5) - (5:4).

Still provide the play rubber tube of multicomponent binder, its characterized in that: the mixing rod comprises a rubber tube shell and the mixing rod according to the technical scheme, wherein the rubber tube shell is hollow and is sleeved outside the mixing rod, and two ends of the rubber tube shell are open.

Compared with the prior art, the application has the advantages that: the mixing rod is used for cutting and mixing the adhesive for multiple times, so that different components of the adhesive are mixed more uniformly and fully, the mixing uniformity of the multi-component (including double-component) adhesive is improved, and the problem that the adhesive is slow to dry or not dry after construction is solved.

Drawings

FIG. 1 is a schematic view of the structure of a multi-component adhesive dispensing tube.

Fig. 2 is a cross-sectional view taken along line A-A of fig. 1.

Fig. 3 is a schematic top view of the second dicing unit.

Fig. 4 is a schematic side view of the second dicing unit.

Fig. 5 is a schematic side view of the second splitting unit in another direction (the connecting ribs are not shown).

Fig. 6 is a schematic structural view of the first dicing unit.

The meanings indicated in the figures are as follows:

1. a rubber tube shell; 2. a mixing rod; 11. a glue inlet; 12. a glue outlet; 22. a first mixing part; 21. a second mixing part; 23. a first segmentation unit; 24. a second segmentation unit; 211. extruding the surface; 212. a connecting rib; 213A, 213B, a second split plane; 214. a flow channel; 241. a proximal edge; 242. a distal edge; 243. a first facet.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

As one example, as shown in fig. 1-6, the present application provides a multi-component adhesive dispensing tube comprising:

the rubber tube shell 1 is of a slender hollow shape, two ends of the rubber tube shell are open, one end of the rubber tube shell is provided with a feed inlet 11, and the other end of the rubber tube shell is provided with a discharge outlet 12. Specifically, the rubber tube shell is combined with the hollow cone shape in a cylindrical shape; preferably, the hose housing 1 is made of a transparent material to facilitate observation of the flow of the adhesive in the hose.

In this application, with be close to the pan feeding mouth and be the near-end, with be close to the discharge gate and be the distal end.

The mixing rod 2, as shown in fig. 1 and 2, comprises at least one first mixing part 22 and at least one second mixing part 21 which are arranged along the axial direction of the mixing rod 2, and the rubber tube shell 1 is sleeved on the outer side of the mixing rod 2 to partially or completely wrap the mixing rod 2. The first mixing portion 22 includes at least two first cutting units 23, the second mixing portion 21 includes at least two second cutting units 24, and all the first cutting units 23 and the second cutting units 24 are arranged along the axial direction of the mixing rod, and can sequentially cut and mix the adhesive.

The mixing bar 2 may comprise at least one first mixing section 22 and at least one second mixing section 23, for example including but not limited to one, two, three, etc. number of first mixing sections 22 and including but not limited to one, two, three, etc. number of second mixing sections 21; the first mixing part 22 includes at least two first dividing units 23, and may include, for example, but not limited to, two, three, four, five, six, seven, eight, nine, etc. first dividing units 23; the second mixing section 21 may include, but is not limited to, two, three, four, five, six, nine, etc. second cutter units 24. The number of the first splitting units or the second splitting units may be increased or decreased according to the actual application requirement. Preferably, the first and second cutting units 23 and 24 may implement different cutting and mixing modes for the adhesive.

The application method of the rubber outlet pipe comprises the following steps: the rubber outlet pipe is arranged on a two-component rubber gun, the rubber gun is started, and the two-component adhesive enters the rubber outlet pipe from the feed inlet 11 under the action of pressure and flows towards the discharge outlet 12; the adhesive passes through a plurality of first cutting units and second cutting units along the axial direction of the mixing rod, when passing through the first cutting unit (the cutting unit can be the first cutting unit or the second cutting unit), the adhesive is cut and mixed by the first cutting unit or the second cutting unit, and then the adhesive after being cut and mixed is cut and mixed again by the next first cutting unit or the second cutting unit; until after all the first and second cutting units have been cut and mixed, it flows out of the outlet 12.

The rubber outlet pipe is provided with the plurality of first cutting units and the plurality of second cutting units for cutting and mixing the multi-component adhesive for a plurality of times, so that the components are mixed more uniformly and fully; and the first cutting unit and the second cutting unit use different cutting and mixing modes, so that the mixing uniformity of the multi-component (including double-component) adhesive can be further improved, the problem that the adhesive is slow to dry or not dry after construction is solved, meanwhile, the mobility of the adhesive in a rubber outlet pipe can be ensured, and the waste phenomena such as adhesive wall hanging and the like are avoided.

Specifically, each first cutting unit includes a spiral-sheet-like first cutting surface 243 that is rotated 120 ° -240 ° relative to the proximal and distal edges 241, 242, including, for example, but not limited to, 120 °, 130 °, 140 °, 150 °, 160 °, 170 °, 180 °, 190 °, 200 °, 210 °, 220 °, 230 °, 240 °, etc., relative to each other. The first dividing surface forms two spiral channels on two sides of the first dividing surface, when the adhesive flows through the first dividing unit, the adhesive is divided into two strands by the proximal edge 241 of the first dividing unit, and then the two strands are limited and extruded by the first dividing surface from the side surface and are forced to flow forwards along the two spiral channels respectively, so that the two strands of adhesive are mixed respectively in the process of flowing along the first dividing surface.

More specifically, the opposite end edges between adjacent first dividing units have an included angle of 60 ° -90 °, for example, including but not limited to 90 °, 80 °, 70 ° or 60 °. Preferably 90 or nearly 90. The first dividing unit is arranged in this way, so that two strands of adhesive flowing along the first dividing unit (named as a first dividing unit and a second first dividing unit according to the arrangement sequence of the adhesive in the flowing direction) are divided into two strands by the proximal edge of the second dividing unit respectively, meanwhile, different strands of the original two strands of adhesive are mixed on different surfaces of the first dividing surface respectively to form new two strands of adhesive, and the new two strands of adhesive flow forwards along different surfaces of the first dividing surface respectively under the pressure transmitted by the adhesive gun and are continuously and uniformly mixed. The adhesive flows through the first cutting units in sequence, and the adhesive components of the original different components are continuously mixed, cut, remixed, re-cut and remixed, so that the uniform mixing of the different components of the adhesive is realized.

Specifically, each second splitting unit includes at least two extrusion surfaces 211, second splitting surfaces 213A, 213B, and a flow channel 214; the extrusion surface is basically vertical to the axial direction of the mixing rod and the second cutting surface, namely, the second cutting surface is basically parallel to the axial direction of the mixing rod, and the extrusion surface is basically vertical to the second cutting surface; at least two of the flow channels 214 are each sandwiched between adjacent compression surfaces.

When the adhesive flows through the second cutting unit, the adhesive is firstly cut into two strands by the second cutting surface, then each strand of adhesive meets the extrusion surface and the circulation channel in the continuous flowing process, the part meeting the extrusion surface is forced to diffuse to the periphery along the plane of the extrusion surface, and finally enters the circulation channel adjacent to the extrusion surface to collide and mix with the part of the adhesive flowing through the circulation channel.

Further, as shown in fig. 5, the two second splitting planes of the second splitting unit are respectively connected to two different planes of the plane where the extrusion plane is located, and the two planes where the two splitting units are located intersect, and an included angle between the two intersecting planes is 60 ° -90 °, for example, but not limited to, 60 °, 70 °, 80 ° and 90 °.

Thus, two adhesives entering different flow channels can flow and spread along another second cut surface, and thus be continuously mixed.

Further, as shown in fig. 2, the end edges of adjacent second cut surfaces of adjacent second cut units intersect and have included angles of 60 ° -90 °, including, for example, but not limited to, 60 °, 70 °, 80 ° and 90 °.

Therefore, when two strands of the adhesive flow along the other second dividing plane of the first second dividing unit (named as the first second dividing unit and the second dividing unit according to the arrangement sequence of the adhesive in the flowing direction) to the first dividing plane of the second dividing unit, the two strands of the adhesive are divided into two strands by the dividing plane respectively, and the formed 4 strands of the adhesive are mixed two by two in the flowing and diffusing processes along the dividing plane. The adhesive flows through a plurality of second cutting units in sequence, and the adhesive components of the original different components are continuously mixed, cut, remixed, re-cut and remixed, so that the uniform mixing of the different components of the adhesive is realized.

Further, as shown in fig. 3, two diagonally arranged fan-shaped extrusion surfaces are provided, and a flow passage is respectively arranged between the two fan-shaped extrusion surfaces. In particular, the pressing surface and the flow channel are concentric sectors, preferably the angle between the pressing surface radii may be 90 ° or close to 90 °. As shown in fig. 3, the fan-shaped extrusion surfaces and the circulation channels are circumferentially staggered respectively, namely, circumferentially arranged according to the sequence of the extrusion surfaces, the circulation channels, the extrusion surfaces and the circulation channels; one second split surface is connected with one common diameter of the two sectors, and the other second split surface is connected with the other common diameter of the two sectors. The setting of fan-shaped extrusion face in this embodiment can make the compounding pole adapt to the rubber tube shell of cylinder to when realizing evenly mixing the different components of adhesive, reduce the phenomenon such as adhesive component wall built-up, improve the utilization ratio of adhesive.

Preferably, the flow channel may be in the shape of a slit or a hole.

The extrusion surfaces of the adjacent second cutting units are not overlapped in the axial direction of the mixing rod, and the extrusion surfaces of the respective flow channels and the adjacent second cutting units are overlapped in the axial direction of the mixing rod, so that the extrusion surfaces of the adjacent second cutting units can be partially overlapped or completely overlapped. When the adhesive flows from the flow channel of the first second cutting unit to the adjacent second cutting unit, the adhesive flows to the extrusion surface of the second cutting unit, so that the adhesive flowing to the extrusion surface can be limited and extruded by the extrusion surface, and the mixing efficiency is improved. The mixing efficiency can be further improved by matching a plurality of second segmentation units which are arranged similarly.

The second mixing part further includes a connection rib 212 provided at the outer side to sequentially connect a plurality of second dividing units. Further, two connecting ribs 212 are provided and are respectively located at two opposite outer sides of the second splitting unit. Further, the second mixing part is provided with a plurality of second splitting units, and the two connecting ribs 212 connect all the second splitting units into a whole; specifically, to the single second dividing unit, the connection ribs 212 are respectively connected to the outer sides of the two pressing surfaces 211, and are respectively connected to the side end surfaces of one second dividing surface of the second dividing unit.

Preferably, the mixing bar 2 comprises a first mixing section 22 and two second mixing sections 21, which are connected in such a way that the second mixing sections-first mixing section-second mixing section. Preferably, the second mixing parts provided at both ends have the same length, and the second mixing parts: the ratio of the lengths of the first mixing parts is (2:5) - (5:4).

Further, the number of the cutting parts which can be achieved by the first mixing part 22 and the second mixing part 21 is different, preferably, the first mixing part 22 can achieve the mixing after cutting the adhesive into two parts, and the second mixing part 21 can achieve the mixing after cutting the adhesive into four parts.

According to the scheme, two mixing devices with alternating mixing parts are adopted, so that the mixing uniformity of the multi-component adhesive products is improved, the products can be quickly solidified after being applied, and the service life and the bonding strength of the adhesive products are prolonged.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (10)

1. A mixing rod of a multi-component adhesive, characterized by comprising at least one first mixing part and at least one second mixing part which are axially arranged; the first mixing part and the second mixing part respectively comprise at least two first cutting units and at least two second cutting units, and all the first cutting units and the second cutting units are axially arranged; the first dividing unit comprises a first dividing surface, and the second dividing unit comprises at least two extrusion surfaces, second dividing surfaces respectively and vertically connected with the extrusion surfaces, and at least two circulation channels arranged between the extrusion surfaces.

2. A mixing rod as defined in claim 1, wherein: the first parting plane is a spiral sheet, the proximal end edge and the distal end edge of the spiral sheet rotate 120-240 degrees relatively, and two opposite end edges between adjacent first parting units have an included angle of 60-90 degrees.

3. A mixing rod as defined in claim 1, wherein: the extrusion surface is perpendicular to the axial direction of the mixing rod, the two second cutting surfaces are positioned on two intersecting surfaces, and an included angle of 60-90 degrees is formed between the two intersecting surfaces.

4. A mixing rod as defined in claim 3, wherein: the end edges of the adjacent second cutting planes of the adjacent second cutting units are intersected and have an included angle of 60-90 degrees.

5. A mixing rod as defined in claim 3, wherein: the extrusion surface is in a fan shape, one common diameter of the two fan shapes is connected to a second cutting surface, the other common diameter is connected to the other second cutting surface, and the two circulating channels are clamped between the two pairs of diameters of the two fan shapes.

6. A mixing rod as defined in claim 1, wherein: the second mixing part further comprises connecting ribs which are sequentially connected with a plurality of second cutting units.

7. A mixing rod as defined in claim 6, wherein: the two connecting ribs are respectively connected to the outer sides of the two extrusion surfaces of the second cutting unit and are respectively connected to the side end surfaces of at least one second cutting surface of the second cutting unit.

8. A mixing rod as defined in claim 1, wherein: the mixing rod comprises two second mixing parts which are respectively arranged at two ends and a first mixing part which is arranged in the middle.

9. A mixing rod as defined in claim 8, wherein: the second compounding portion length that sets up at both ends is the same, and second compounding portion: the ratio of the lengths of the first mixing parts is (2:5) - (5:4).

10. A multi-component adhesive rubber outlet pipe is characterized in that: a mixing rod according to any one of claims 1-9, comprising a rubber tube housing, wherein the rubber tube housing is hollow with two open ends and is sleeved outside the mixing rod.