CN210905722U

CN210905722U - Static mixing tube

Info

Publication number: CN210905722U
Application number: CN201921275657.3U
Authority: CN
Inventors: 王涛
Original assignee: Shenzhen Jingding Packaging Materials Co ltd
Current assignee: Shenzhen Jingding Packaging Materials Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-07-03
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a static mixing tube, including outer tube and inner core, inner core and outer tube adaptation, the inner core surface distributes around the circumference has spiral arc groove, the both ends of spiral arc groove communicate the import and the export of outer tube respectively, alternately communicate between the adjacent spiral arc groove and form the diffluence pass, the mode of original reposition of redundant personnel has been changed, set up spiral arc groove on the inner core surface and form the spiral arc groove that supplies the glue solution to flow, the glue solution will once shunt to every diffluence pass in flowing to department, and spiral arc groove distributes around the circumference and communicates each other, thereby the glue solution can shunt through more diffluence passes through in the inner core finite length, reach to two kinds of glue solutions more comprehensive shunted and intensive mixing, make the mixed glue solution mixing degree of consistency of follow-up discharge better; in addition, the spiral arc groove forms a flow channel with smaller width, so that the flowing speed of the glue solution in the spiral arc groove can be effectively accelerated, and the spiral arc groove is particularly suitable for mixing two glue solutions with larger viscosity difference.

Description

Static mixing tube

Technical Field

The utility model relates to a hybrid tube field, more specifically says that it relates to a static hybrid tube.

Background

The mixing tube is a new technological product for stirring multiple fluids, and mainly includes outer tube and a series of blades which are set in the outer tube and are vertically arranged in the sleeve tube. The device does not need to be driven by external force, and only utilizes the fluid body to carry out continuous cutting and superposition when passing through the mixer, so as to convert more than two materials into uniform mixed liquid.

For example, chinese patent publication No. CN208465654U discloses a static mixing tube including a mixing tube and a mixing rod. And a glue mixing cavity is arranged in the mixing pipe. The mixing rod can be detached and can be slidably arranged in the glue mixing cavity. The front end of the mixing pipe is provided with a glue gathering taper pipe, and the front end of the glue gathering taper pipe is provided with a glue outlet pipe. The front end of the rubber outlet pipe is provided with a rubber outlet. And the mixing rod is provided with a plurality of first glue mixing spirals and second glue mixing spirals. The first glue mixing spiral and the second glue mixing spiral are perpendicular to each other and arranged at intervals, and a connecting block is arranged between the first glue mixing spiral and the second glue mixing spiral. The outer side of the glue outlet is provided with a tracking tail wing, and the top end of the tracking tail wing is provided with a tip end, so that the purpose of mixing and discharging A, B-type glue is achieved.

In the mixing process, the A, B-type glue is only divided when passing through each glue mixing spiral, so that the glue is divided for a few times in a limited length, and the defect of insufficient and uniform mixing still exists, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a static mixing tube has the more even advantage of mixture.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a static mixing tube, includes outer tube and inner core, inner core and outer tube adaptation, the inner core surface distributes around the circumference has spiral arc groove and adjacent spiral arc groove to revolve to opposite, the both ends in spiral arc groove communicate respectively the import and the export of outer tube, and are adjacent alternately communicate between the spiral arc groove and form the diffluence pass.

The original shunting mode is changed, the spiral arc grooves are formed in the surface of the inner core to form spiral arc grooves for glue to flow, the glue flows to each shunting port and is shunted once, and the spiral arc grooves are distributed around the circumference and are mutually communicated, so that the glue can be shunted through more shunting ports in the limited length of the inner core, two kinds of glue are shunted and fully mixed more comprehensively, and the mixing uniformity of the subsequently discharged mixed glue is better; in addition, the spiral arc groove forms a flow channel with smaller width, so that the flowing speed of the glue solution in the spiral arc groove can be effectively accelerated, the spiral arc groove is particularly suitable for mixing two glue solutions with larger viscosity performance differences, and the problem of uneven mixing caused by the speed difference can be reduced.

The utility model discloses further set up: four spiral arc grooves are uniformly distributed around the circumference, square separation blocks are formed among the spiral arc grooves, and the corners of the separation blocks face the flow dividing ports to form flow dividing angles.

Four spiral arc grooves which are uniformly distributed are communicated in a cross mode, so that the glue solution passes through a plurality of shunting ports on one circumferential spiral, and the glue solution is continuously divided by shunting angles at the shunting ports, and the purpose of better mixing is achieved.

The utility model discloses further set up: the width of the spiral arc groove is gradually reduced from the opening to the bottom wall.

Make the great and width of bottom of spiral arc groove open-ended width like this to can not cause great influence to inner core overall structure intensity, according to bernoulli's principle in addition, spiral arc groove opening part glue solution flow velocity is less than the flow velocity of bottom glue solution, and then the pressure of opening part is higher than the pressure of bottom, forms certain pressure differential, so the pressure that produces at the in-process that the glue solution flows fast mainly towards the inner core center, thereby alleviates the influence to outside outer tube.

The utility model discloses further set up: the depth of the spiral arc groove is not more than one half of the radius of the inner core.

Therefore, more than half of the center of the inner core can be ensured to be in a solid structure, the integral structural strength of the inner core is effectively ensured, the inner core is not easy to deform and damage, the pressure generated by the rapid flow of glue solution in the spiral arc groove can be well borne, and the inner core is more durable; the resistance is reduced, the depth of the spiral arc groove is increased, the flow sectional area is increased, and the bearing capacity of the inner core is reduced.

The utility model discloses further set up: the inlet one end of outer tube is provided with the connector, and the other end is provided with the play head of gluing of taper.

The glue solution flows to the glue outlet head after being fully mixed by the inner core, then flows to the glue outlet head from the spiral arc groove, the flowing section is effectively increased, the flow speed is slower at the moment, the glue solution is fully mixed, and then the flow speed is gradually accelerated under the action of the conical inner wall, so that the glue solution can be well discharged to the part needing glue by the glue outlet head.

The utility model discloses further set up: the connecting pipe is arranged on the cover plate, corresponds to the communicating port and is used for being connected with an outlet of the glue barrel.

When connecting the connector on gluing the bucket like this, glue solution in gluing the bucket directly leads to in the intercommunication mouth through the connecting tube, can not appear in the connector inside the situation of long-pending and unable good mixture, and different glue solutions are direct constantly cut apart in the helicla flute and are realized the homogeneous mixing, reach the effect of better mixture.

The utility model discloses further set up: the cover plate is rotatably connected in the connector, and an outward-expanding chamfer is arranged at the opening of the communication port.

Make flowing into in the intraoral glue solution of intercommunication can be better flows to each spiral arc groove through the chamfer, the apron rotates to be connected and can realize rotating in the connector and adjust, rotates under the circumstances of apron to intercommunication mouth and connecting pipe dislocation, and the glue solution of downflow can only flow to spiral arc inslot from chamfer limit portion, can adjust the efficiency that the glue solution flowed into spiral arc inslot.

The utility model discloses further set up: the outer wall of the glue outlet head is provided with a step-shaped convex part, and the outer diameter of the convex part is increased in a stepped manner from the glue outlet head to the outer pipe.

The convex part can play the reinforcement to the structural strength who goes out to glue the head on the one hand, avoids going out to glue the head and collides with the condition of breaking the damage easily, and on the other hand step-like structure can be applicable to the glue dripping hole in multiple different width gaps or different apertures, and the practicality is better.

The utility model discloses further set up: the protruding arc strip that is equipped with in outer wall top of connector, the arc strip symmetry sets up and forms the breach between adjacent arc strip, and one of them breach department is protruding to be equipped with the lug.

Through the setting of arc strip and breach for the mode that the connector can adopt rotatory lock is connected on gluing the bucket, only need when installing and removing it through rotating the connector can, install and remove convenient and fast more, and wherein the lug makes the connector only rotate unique position and just can pull down simultaneously, avoids the unexpected condition that appears droing of rotating of connector.

The utility model discloses further set up: the joint of connector and outer tube is provided with the reinforcement arris, it is evenly distributed around the circumference to consolidate the arris.

At first consolidate the arris and can play the effect that improves connector and outer tube connection department structural strength for outer tube overall structure intensity is more secure, and the outer tube is difficult for appearing the condition of deformation that breaks, when needs rotate the connector, can the application of force on the bead in addition, makes the operation of rotating the connector light laborsaving more.

To sum up, the utility model discloses following beneficial effect has:

1. by adopting a brand new flow dividing mode, the glue solution flows in the spiral arc groove and continuously flows through the flow dividing angle at the flow dividing port to be divided, so that the glue solution can be sufficiently mixed through more times of flow dividing under the condition that the inner cores have the same length, and the mixing effect is better;

2. the flow velocity of the glue solution in the spiral arc groove is effectively improved, so that the spiral arc groove glue solution can be effectively suitable for occasions with large viscosity difference of two kinds of glue solutions, and the application range is wider;

3. different kinds of glue solutions in the glue barrel are directly communicated to the communicating port and then are shunted and mixed in the spiral arc groove, and the situation of mixing and accumulating cannot exist in the connector, so that the aim of better mixing of the glue solutions is fulfilled.

Drawings

FIG. 1 is an overall structural view of embodiment 1;

FIG. 2 is an exploded view of example 1;

FIG. 3 is a structural view of an inner core in example 1;

FIG. 4 is an internal structural view of a connecting head in embodiment 1;

FIG. 5 is an exploded view of example 2;

FIG. 6 is a sectional view of example 3.

Reference numerals: 1. an outer tube; 2. an inner core; 3. a connector; 4. an arc bar; 5. a notch; 6. a bump; 7. reinforcing edges; 8. discharging the rubber head; 9. a convex portion; 10. a spiral arc groove; 11. a shunt port; 12. a separation block; 13. a shunt angle; 14. a cover plate; 15. a communication port; 16. a connecting pipe; 17. and (6) chamfering.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a static mixing tube is shown in figures 1 and 2 and comprises an outer tube 1 and an inner core 2, wherein the inner core 2 is inserted into the outer tube 1 in a matching mode, the outer wall of the inner core 2 abuts against the inner wall of the outer tube 1, the top end of the outer tube 1 is a glue inlet end, the bottom end of the outer tube 1 is a glue outlet end, a connector 3 integrally formed with the outer tube 1 is arranged at the top end of the outer tube 1, the outer diameter of the connector 3 is larger than that of the outer tube 1, and the inner cavity of the connector 3 is communicated with; the connector 3 is used for connecting the outer pipe 1 with the rubber barrel, in order to facilitate the rotary buckling connection of the connector 3 and the rubber barrel, an outward convex arc strip 4 is integrally formed at the top of the outer wall of the connector 3, the arc strips 4 are symmetrically arranged, a gap 5 is formed between the two arc strips 4, only a corresponding rotary groove is arranged on the rubber barrel, and the side wall of the rotary groove is convexly provided with a barrier strip for blocking the arc strip 4 from falling, the arc strip 4 on the connector 3 of the outer tube 1 passes through the barrier strips when in installation, then the connector 3 is rotated to ensure that the arc strip 4 is blocked by the barrier strip to realize the installation, the quick assembly and disassembly of the outer tube 1 and the rubber barrel are realized, and a lug 6 is arranged at one of the notches 5, only a through groove corresponding to the lug 6 is required to be arranged on the barrier strip, make connector 3 only can realize dismantling under the condition of a rotation angle, installation stability is better, prevents the unexpected condition that drops.

The joint of the outer pipe 1 and the connector 3 is provided with 4 reinforcing ribs 7 for structure reinforcement, the reinforcing ribs 7 are uniformly distributed around the circumference, the top ends of the reinforcing ribs 7 are fixed with the bottom wall of the connector 3, the side walls of the reinforcing ribs 7 are fixed with the outer pipe 1, and the reinforcing ribs 7, the outer pipe 1 and the connector 3 are integrally formed and are convenient to process and produce; can effectively increase the structural strength of connector 3 and outer tube 1 junction through consolidating arris 7, when needs rotate connector 3, can the application of force on consolidating arris 7 simultaneously, reach more easily laborsaving to the rotation operation of connector 3.

In addition, a conical glue outlet head 8 is integrally formed at the glue outlet end of the outer pipe 1, a step-shaped convex part 9 is arranged on the outer wall of the glue outlet head 8, and the outer diameter of the convex part 9 is reduced in a stepped manner along the glue outlet direction; can play the reinforcement to the structural strength who goes out gluey head 8 like this, avoid going out gluey head 8 and collide with the condition of breaking easily and damaging, on the other hand step-like structure can be applicable to the glue dripping hole in multiple different width gaps or different apertures, and the practicality is better.

As shown in fig. 2 and 3, a spiral arc groove 10 is formed in the outer wall of the inner core 2, two ends of the spiral arc groove 10 respectively penetrate through two end faces of the inner core 2, 4 spiral arc grooves 10 are uniformly distributed around the circumference of the inner core 2, the rotation directions of the adjacent spiral arc grooves 10 are opposite, the adjacent spiral arc grooves 10 are mutually crossed and communicated to form shunting ports 11, directional separating blocks 12 are formed between the shunting ports 11, and the corners of the separating blocks 12 face the shunting ports 11 to form shunting angles 13, so that the flowing glue solution is shunted by the shunting angles 13; therefore, different glue solutions are continuously shunted through the shunting port 11 in the flowing process of the spiral arc groove 10, and the glue solutions can be shunted for more times under the condition of the same length of the inner core 2, so that the aim of more uniform mixing of the glue solutions is fulfilled; and the flow channel section that spiral arc groove 10 formed like this is less, and then can make the flow velocity of glue solution in spiral arc groove 10 be greater than the flow velocity of glue solution among the prior art, is particularly useful for mixing two kinds of glue solutions that the glue solution viscosity performance difference is great, can alleviate the inhomogeneous problem of mixing because the speed difference brings, improves the suitability.

Wherein the width of the spiral arc groove 10 is gradually reduced from the opening to the bottom wall, and the depth of the spiral arc groove 10 is not more than one half of the radius of the inner core 2, in this embodiment, the depth of the spiral arc groove 10 is one half of the radius of the inner core 2; according to Bernoulli's principle, the flow velocity of glue solution is less than the flow velocity of bottom glue solution at spiral arc groove 10 opening part, and then the pressure of opening part is higher than the pressure of bottom, form certain pressure differential, so the pressure that produces at the in-process that the glue solution flows fast is mainly towards inner core 2 center, thereby alleviate the influence to outside outer tube 1, and inner core 2 center remains half the entity structure, make the structural strength that keeps that inner core 2 can be good, the difficult condition that appears deformation or harm, can well bear the produced pressure of glue solution fast flow in spiral arc groove 10, and effectively reduce the resistance like this, increase the degree of depth of spiral arc groove 10.

As shown in fig. 3 and 4, a cover plate 14 adapted to the connector is arranged in the connector 3, a communication port 15 is formed at the end of the inner core 2 at the end of the adjacent spiral arc groove 10, the communication ports 15 are symmetrically arranged, the diversion angle 13 is located in the middle of the communication port 15, the glue solution is diverted to the two adjacent spiral arc grooves 10, and a connecting pipe 16 corresponding to the communication port 15 is arranged on the cover plate 14; follow-up when connecting connector 3 on gluing the bucket like this, glue solution in gluing the bucket directly leads to in intercommunication mouth 15 through connecting pipe 16, can not appear in 3 inside the appearance deposits of connector and the unable well condition of mixing, and different glue solutions are direct constantly cut apart in spiral arc groove 10 and are realized the homogeneous mixing, reach the effect of better mixture.

In addition, the cover plate 14 is rotatably connected inside the connector 3, and the edge part of the top opening of the outer pipe 1 is provided with a drainage chamfer 17; the chamfer 17 makes the glue solution that flows into in the intercommunication mouth 15 can be better flow each spiral arc groove 10 in, and the apron 14 rotates to be connected and can realize rotating the regulation in connector 3, rotates the apron 14 to the intercommunication mouth 15 with the connecting pipe 16 under the condition of misplacing, the glue solution of downflow can only flow to spiral arc groove 10 from chamfer 17 limit portion in, can adjust the efficiency that the glue solution flows into spiral arc groove 10.

The implementation principle of the embodiment is as follows: with apron 14 dress inside connector 3, and after adjusting the position of apron 14 through rotating, with outer tube 1 with the help of the rotatory lock of arc strip 4 on the connector 3 on gluing the bucket, and connecting pipe 16 corresponds with the play jiao kou intercommunication on gluing the bucket, then open the opening on gluing the bucket and make the glue solution flow out, the glue solution leads to intercommunication mouth 15 department through connecting pipe 16, in shunting to adjacent spiral arc groove 10 through flow distribution angle 13, then the in-process of downflow is constantly shunted and is finally discharged from the play jiao tou 8 of bottom, reach the mesh of intensive mixing.

Example 2: a static mixing tube, its difference with embodiment 1 lies in wherein the cover plate 14 and inner core 2 are integrated into one piece and fixed, form a whole in this way cover plate 14 and inner core 2, on one hand easy to install, can install in place in one step, on the other hand also facilitate the taking out of the inner core 2, only need to take out the cover plate 14 in the union joint 3 can finish taking out cleaning or changing of the inner core 2, avoid the inner core 2 because of lacking the situation that the hard point of acting on force is difficult to take out; when the inner core 2 is difficult to take out due to the fact that the residual part is bonded and fixed with the inner wall of the outer tube 1, the cover plate 14 can rotate through the connecting tube 16 to overcome bonding force and then take out, and follow-up taking-out operation of the inner core 2 is effectively facilitated.

Example 3: the utility model provides a static mixing tube, its difference with embodiment 2 lies in wherein connector 3 and 1 threaded connection of outer tube, wherein consolidate arris 7 and fix on connector 3 and the butt on 1 outer wall of outer tube, make both separately to process like this on the one hand, reduce the production degree of difficulty, on the other hand when inner core 2 appears and is difficult to take out because remaining glue solution bonds, through rotating connector 3, the connector 3 shifts up and drives inside apron 14 and inner core 2 and shift up jointly, the realization is to taking out of inner core 2, effectively solve inner core 2 because lack the condition that the impetus is difficult to take out, make the operation of taking out of inner core 2 light laborsaving more.

The embodiment of this specific implementation is the preferred embodiment of the present invention, not so limiting the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a static mixing tube, includes outer tube (1) and inner core (2), characterized by: the inner core (2) and outer tube (1) adaptation, inner core (2) surface distributes around the circumference has spiral arc groove (10) and adjacent spiral arc groove (10) to revolve to opposite, the both ends of spiral arc groove (10) communicate respectively the import and the export of outer tube (1), and is adjacent alternately communicate between spiral arc groove (10) and form reposition of redundant personnel mouth (11).

2. The static mixing tube of claim 1, wherein: four spiral arc grooves (10) are uniformly distributed around the circumference, square separation blocks (12) are formed among the spiral arc grooves (10), and the corners of the separation blocks (12) face the flow dividing port (11) to form flow dividing angles (13).

3. The static mixing tube of claim 1 or 2, wherein: the width of the spiral arc groove (10) is gradually reduced from the opening to the bottom wall.

4. The static mixing tube of claim 3, wherein: the depth of the spiral arc groove (10) is not more than one half of the radius of the inner core (2).

5. The static mixing tube of claim 1 or 2, wherein: one end of the inlet of the outer pipe (1) is provided with a connector (3), and the other end is provided with a conical glue outlet head (8).

6. The static mixing tube of claim 5, wherein: adjacent spiral arc groove (10) form intercommunication mouth (15) at inner core (2) both ends, intercommunication mouth (15) symmetry sets up, the stopper has apron (14) in connector (3), be provided with on apron (14) and correspond with intercommunication mouth (15) and be used for with glue bucket exit linkage's connecting pipe (16).

7. The static mixing tube of claim 6, wherein: the cover plate (14) is rotatably connected in the connector (3), and an outward-expanding chamfer (17) is arranged at the opening of the communication port (15).

8. The static mixing tube of claim 5, wherein: go out the outer wall of gluing head (8) and be provided with step-like convex part (9), convex part (9) external diameter is from going out gluing head (8) to outer tube (1) direction ladder nature increase.

9. The static mixing tube of claim 5, wherein: the connector is characterized in that arc strips (4) are convexly arranged at the top of the outer wall of the connector (3), the arc strips (4) are symmetrically arranged, gaps (5) are formed between the adjacent arc strips (4), and a convex block (6) is convexly arranged at one gap (5).

10. The static mixing tube of claim 5, wherein: the joint of the connector (3) and the outer pipe (1) is provided with a reinforcing rib (7), and the reinforcing ribs (7) are uniformly distributed around the circumference.