CN212021436U - Polyurethane bi-component foaming machine mixing arrangement - Google Patents
Polyurethane bi-component foaming machine mixing arrangement Download PDFInfo
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- CN212021436U CN212021436U CN202020613116.3U CN202020613116U CN212021436U CN 212021436 U CN212021436 U CN 212021436U CN 202020613116 U CN202020613116 U CN 202020613116U CN 212021436 U CN212021436 U CN 212021436U
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Abstract
The utility model discloses a polyurethane bi-component foaming machine mixing arrangement relates to a polyurethane production facility technical field. Under the effect of right angle variable speed generator, first component is followed first material jar output, and the first feed inlet of blender is got into to the first pump head through the mixing pump, and the second component is followed the output of second material jar, and the second feed inlet of blender is got into to the second pump head through the mixing pump to under the effect of blender, with first component and second component misce bene, carry to the shower nozzle. The utility model discloses, realized two kinds of components instant mixing output, in process of production, avoided the component after mixing to pile up for a long time, blockked up the pipeline, promoted the mixing velocity of two kinds of components greatly, improved mixing arrangement's production efficiency, simple structure, convenient operation, occupation space is little.
Description
Technical Field
The utility model relates to a polyurethane production facility technical field, in particular to polyurethane bi-component foaming machine mixing arrangement.
Background
Polyurethanes refer to a class of polymers containing many repeating urethane groups in the molecular structure, all known as polyurethanes. According to different compositions, the polyurethane can be made into linear molecular thermoplastic polyurethane and also can be made into body molecular thermosetting polyurethane. As a new organic polymer material, polyurethane is known as the fifth major plastic, and is widely applied to various fields of national economy due to the excellent performance of polyurethane. The application field of the product relates to light industry, chemical industry, electronics, textile, medical treatment, building materials, automobiles, national defense, aerospace, aviation and the like.
The foaming is an important component of a polyurethane synthesis process, isocyanate and polyether are used as main raw materials, and under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like, the raw materials are mixed by special equipment and are subjected to high-pressure spraying and on-site foaming to obtain the polyurethane foam. However, in the production process, the two components need to be respectively conveyed and mixed by two centrifugal pumps, and the mixed components are accumulated for a long time, so that the pipeline of a foaming machine is easily blocked, and the flow rate of the raw material is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model provides a polyurethane bi-component foaming machine mixing arrangement has realized the instant mixing output of two kinds of components, has solved the component after mixing and has piled up for a long time, blocks up pipeline scheduling problem.
The concrete technical scheme is that a polyurethane bi-component foaming machine mixing arrangement includes: a first charging bucket, a second charging bucket, a mixing pump and a mixer,
the mixing pump includes: a first pump head, a second pump head, a rotary table, a right-angle variable-speed motor, a separation net, a valve seat and a connecting rod,
the mixer includes: a first feed inlet, a second feed inlet and a spray head,
the discharge end of first material jar is connected with the first pump head feed end of hybrid pump, and first pump head discharge end passes through the pipeline and is connected with the first feed inlet of blender, and the discharge end of second material jar is connected with the second pump head of hybrid pump, and the second pump head passes through the pipeline and is connected with the second feed inlet of blender, makes first component and second component carry to the blender in turn, and the lower extreme of blender is equipped with the shower nozzle, makes the component blowout through the shower nozzle after the misce bene.
Further, the mixing pump outside is equipped with right angle variable speed motor, and right angle variable speed motor is connected with the carousel, and the articulated first connecting rod right-hand member in carousel left side, first connecting rod left end and first piston are articulated, under right angle variable speed motor's effect, promote first piston and remove about, and second connecting rod left end and first connecting rod right-hand member are articulated, and second connecting rod right-hand member and second piston are articulated, under right angle variable speed motor's effect, promote to remove about the second piston.
Furthermore, the two ends of the interior of the mixing pump along the axial direction are respectively and fixedly connected with a first diaphragm and a second diaphragm in a symmetrical mode, the first diaphragm can generate relative bending deformation along with the left-and-right movement of the first piston, the second diaphragm can generate relative bending deformation along with the left-and-right movement of the second piston, the first diaphragm and the inner wall of the first pump head form a first cavity, and the second diaphragm and the inner wall of the second pump head form a second cavity.
Furthermore, a first cavity feeding end is arranged below the first cavity, a first cavity discharging end is arranged above the first cavity, a valve seat is arranged below the first cavity discharging end, a separation net is arranged above the first cavity discharging end, the first valve ball is located inside the valve seat of the first cavity discharging end and the separation net, and the second valve ball is located inside the valve seat of the first cavity feeding end and the separation net.
The second cavity feed end is below the second cavity, and the second cavity discharge end is above, and second cavity discharge end below is equipped with the disk seat, and the top is equipped with separates the net, and the third valve ball is located the disk seat of second cavity discharge end and separates inside the net, and the fourth valve ball is located the disk seat of second cavity feed end and separates inside the net.
Further, the diameters of the first valve ball, the second valve ball, the third valve ball and the fourth valve ball are all larger than the valve seat clearance.
In one embodiment, the turntable is rotated by the action of the right-angle variable-speed motor to further push the first connecting rod and the second connecting rod to move left and right, when the first connecting rod and the second connecting rod move leftwards, the first piston and the second piston move leftwards horizontally to drive the first diaphragm and the second diaphragm to bend leftwards, so that the space of the first cavity becomes smaller, the space of the second cavity becomes larger, under the action of medium pressure, the valve ball produces certain displacement, the first valve ball floats under the separation net, the second valve ball is tightly pressed at the sealing surface of the valve seat gap to ensure that the first component in the first cavity is conveyed to the first feed inlet of the mixer through the separation net, the fourth valve ball floats below the separation net, and the third valve ball is tightly pressed at the sealing surface of the valve seat gap to enable the second component in the second material tank to be conveyed to the second cavity of the mixing pump through the valve seat gap.
When the first connecting rod and the second connecting rod move rightwards, the first piston and the second piston horizontally move rightwards to drive the first diaphragm and the second diaphragm to bend rightwards, so that the space of the first cavity is enlarged, the space of the second cavity is reduced, the valve ball generates certain displacement under the action of medium pressure, the second valve ball floats above the separation net and contacts with the separation net, the first valve ball is tightly pressed at the sealing surface of the valve seat gap, so that the first component of the first material tank is conveyed to the first cavity of the mixing pump through the valve seat gap, the third valve ball floats below the separation net and contacts with the separation net, and the fourth valve ball is tightly pressed at the sealing surface of the valve seat gap, so that the second component in the second cavity is conveyed to the second feed inlet of the mixer through the separation net.
When the first component and the second component alternately enter the mixer, the first component and the second component are fully mixed under the action of the mixer, and the mixed materials are sprayed out through the spray head.
Owing to adopted above technical scheme, compare with prior art, adopt the utility model discloses, the component of avoiding after mixing is piled up for a long time, blocks up the pipeline, has promoted the mixing rate of two kinds of components greatly, has improved mixing arrangement's production efficiency, simple structure, convenient operation, occupation space is little, has improved work efficiency greatly.
Drawings
FIG. 1 is a mixing device of a polyurethane bi-component foaming machine of the present invention;
FIG. 2 is a front view of the mixing pump of the present invention with the first component delivered to the mixer;
fig. 3 is a front view of the mixing pump of the present invention in a state where the second component is transferred to the mixer.
Description of reference numerals:
1. a first charging bucket, 2, a second charging bucket, 3, a mixing pump, 4 and a mixer,
31. a first pump head 32, a second pump head 33, a rotary disc 34, a right-angle variable-speed motor 35, a separation net 36, a valve seat 37 and a connecting rod,
301. a first valve ball 302, a second valve ball 303, a third valve ball 304, a fourth valve ball,
311. a first chamber discharge end, 312, a first chamber feed end, 313, a first chamber, 314, a first diaphragm, 315, a first piston,
321. a second cavity discharge end, 322, a second cavity feed end, 323, a second cavity, 324, a second diaphragm, 325, a second piston,
371. a first connecting rod 372, a second connecting rod,
41. first feed inlet, 42, second feed inlet, 43, shower nozzle.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b): referring to fig. 1 to 3, a mixing device of a polyurethane two-component foaming machine includes: a first charging bucket 1, a second charging bucket 2, a mixing pump 3 and a mixer 4,
the mixing pump 3 includes: first pump head 31, second pump head 32, rotary disc 33, right-angle variable-speed motor 34, partition net 35, valve seat 36 and connecting rod 37,
the mixer 4 includes: a first supply port 41, a second supply port 42 and a shower head 43,
the discharge end of first material jar 1 is connected with the first pump head 31 of hybrid pump 3, first pump head 31 passes through the pipeline and is connected with the first feed inlet 41 of blender 4, the discharge end of second material jar 2 is connected with the second pump head 32 of hybrid pump 3, second pump head 32 passes through the pipeline and is connected with the second feed inlet 42 of blender 4, make first component and second component carry to the blender 4 in turn in, the lower extreme of blender 4 is equipped with shower nozzle 43, make the component spout through shower nozzle 43 after the misce bene.
Further, the right-angle variable speed motor 34 is arranged on the outer side of the mixing pump 3, the right-angle variable speed motor 34 is connected with the rotary disc 33, the left side of the rotary disc 33 is hinged to the right end of the first connecting rod 371, the left end 371 of the first connecting rod is hinged to the first piston 315, under the action of the right-angle variable speed motor 34, the first piston 315 is pushed to move left and right, the left end of the second connecting rod 372 is hinged to the right end of the first connecting rod 371, the right end 372 of the second connecting rod is hinged to the second piston 325, and under the action of the right-angle variable speed motor 34.
Further, a first diaphragm 314 and a second diaphragm 324 are respectively and symmetrically fixedly connected to two ends of the interior of the mixing pump 3 along the axial direction, the first diaphragm 314 can generate relative bending deformation along with the left-right movement of the first piston 315, the second diaphragm 324 can generate relative bending deformation along with the left-right movement of the second piston 325, the first diaphragm 314 and the inner wall of the first pump head 31 form a first cavity 313, and the second diaphragm 324 and the inner wall of the second pump head 32 form a second cavity 323.
Further, a first cavity feeding end 312 is arranged below the first cavity 313, a first cavity discharging end 311 is arranged above the first cavity feeding end 313, a valve seat 36 is arranged below the first cavity discharging end 311, a separation net 35 is arranged above the first cavity discharging end 311, the first valve ball 301 is positioned inside the valve seat 36 and the separation net 35 of the first cavity discharging end 311, the second valve ball 302 is positioned inside the valve seat 36 and the separation net 35 of the first cavity feeding end 312,
the second cavity 323 is below the second cavity feed end 322, and the second cavity discharge end 321 is above the second cavity 323, and the valve seat 36 is below the second cavity discharge end 321, and the partition net 35 is above the second cavity 323, and the third valve ball 303 is located inside the valve seat 36 and the partition net 35 of the second cavity discharge end 321, and the fourth valve ball 304 is located inside the valve seat 36 and the partition net 35 of the second cavity feed end 322.
Further, the first valve ball 301, the second valve ball 302, the third valve ball 303 and the fourth valve ball 304 are all larger in diameter than the valve seat 36 clearance.
The working principle of the mixing device of the polyurethane bi-component foaming machine in the embodiment is as follows: the turntable 33 is rotated by the right-angle variable-speed motor 34, the first link 371 and the second link 372 are further pushed to move left and right, when the first rod 371 and the second rod 372 both move leftwards, the first piston 315 and the second piston 325 both move leftwards horizontally, and drive the first diaphragm 314 and the second diaphragm 324 to bend leftwards, so that the first cavity 313 becomes smaller in space and the second cavity 323 becomes larger, under the action of medium pressure, the valve ball generates certain displacement, the first valve ball 301 floats below the separation net 35, the second valve ball 302 is pressed against the sealing surface of the gap between the valve seats 36 in contact with the partition 35, so that the first component in the first cavity 313 is delivered to the first feed port 41 of the mixer 4 through the partition 35, the fourth valve ball 304 floats below the partition 35, in contact with the partition net 35, the third valve ball 303 is pressed against the sealing surface of the gap between the valve seats 36, so that the second component in the second bucket 2 is delivered into the second cavity 323 of the mixing pump 3 through the gap between the valve seats 36.
When the first connecting rod 371 and the second connecting rod 372 both move rightwards, the first piston 315 and the second piston 325 both move rightwards horizontally, and the first diaphragm 314 and the second diaphragm 324 are both driven to bend rightwards, so that the space of the first cavity 313 is enlarged, the space of the second cavity 323 is reduced, the valve ball generates a certain displacement under the action of medium pressure, the second valve ball 302 floats above the partition net 35 and contacts with the partition net 35, the first valve ball 301 is tightly pressed at the sealing surface of the gap of the valve seat 36, so that the first component of the first charging bucket 1 is conveyed to the first cavity 313 of the mixing pump 3 through the gap of the valve seat 36, the third valve ball 303 floats below the partition net 35 and contacts with the partition net 35, the fourth valve ball 304 is tightly pressed at the sealing surface of the gap of the valve seat 36, and the second component in the second cavity 323 is conveyed to the second feeding hole 42 of the mixer 4 through the partition net 35.
When the first component and the second component alternately enter the mixer 4, the first component and the second component are fully mixed under the action of the mixer 4, and the mixed materials are sprayed out through the spray head 43.
Claims (5)
1. A polyurethane bi-component foaming machine mixing arrangement, its characterized in that includes: a first charging bucket (1), a second charging bucket (2), a mixing pump (3) and a mixer (4),
the mixing pump (3) comprises: a first pump head (31), a second pump head (32), a turntable (33), a right-angle variable-speed motor (34), a separation net (35), a valve seat (36) and a connecting rod (37),
the mixer (4) comprises: a first feed opening (41), a second feed opening (42) and a spray head (43),
the discharge end of the first charging bucket (1) is connected with a first pump head (31) of the mixing pump (3), the first pump head (31) is connected with a first feed inlet (41) of the mixer (4) through a pipeline, the discharge end of the second charging bucket (2) is connected with a second pump head (32) of the mixing pump (3), the second pump head (32) is connected with a second feed inlet (42) of the mixer (4) through a pipeline, and the tail end of the mixer (4) is provided with a spray head (43).
2. The mixing device of the polyurethane two-component foaming machine according to claim 1, wherein a right-angle variable-speed motor (34) is arranged outside the mixing pump (3), the right-angle variable-speed motor (34) is connected with the rotary table (33), the left side of the rotary table (33) is hinged with the right end of a first connecting rod (371), the left end of the first connecting rod (371) is hinged with a first piston (315), the left end of a second connecting rod (372) is hinged with the right end of the first connecting rod (371), and the right end of the second connecting rod (372) is hinged with a second piston (325).
3. The mixing device of the polyurethane two-component foaming machine according to claim 2, wherein the mixing pump (3) is fixedly connected with a first diaphragm (314) and a second diaphragm (324) symmetrically at two ends along the axial direction, the first diaphragm (314) and the inner wall of the first pump head (31) form a first cavity (313), and the second diaphragm (324) and the inner wall of the second pump head (32) form a second cavity (323).
4. The mixing device of the polyurethane two-component foaming machine according to claim 3, wherein the first cavity feeding end (312) is arranged below the first cavity (313), the first cavity discharging end (311) is arranged above the first cavity feeding end, the valve seat (36) is arranged below the first cavity discharging end (311), the partition net (35) is arranged above the first cavity discharging end, the first valve ball (301) is positioned inside the valve seat (36) of the first cavity discharging end (311) and the partition net (35), the second valve ball (302) is positioned inside the valve seat (36) of the first cavity feeding end (312) and the partition net (35),
the valve seat (36) is arranged below the second cavity discharging end (321), the separation net (35) is arranged above the second cavity discharging end, the third valve ball (303) is located inside the valve seat (36) of the second cavity discharging end (321) and the separation net (35), and the fourth valve ball (304) is located inside the valve seat (36) of the second cavity feeding end (322) and the separation net (35).
5. A polyurethane two-component foam maker mixing device according to claim 4, wherein the first valve ball (301), the second valve ball (302), the third valve ball (303) and the fourth valve ball (304) are all larger in diameter than the valve seat (36) clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020613116.3U CN212021436U (en) | 2020-04-22 | 2020-04-22 | Polyurethane bi-component foaming machine mixing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020613116.3U CN212021436U (en) | 2020-04-22 | 2020-04-22 | Polyurethane bi-component foaming machine mixing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN212021436U true CN212021436U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020613116.3U Active CN212021436U (en) | 2020-04-22 | 2020-04-22 | Polyurethane bi-component foaming machine mixing arrangement |
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| CN (1) | CN212021436U (en) |
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- 2020-04-22 CN CN202020613116.3U patent/CN212021436U/en active Active
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