CN112045880A

CN112045880A - Polyurethane mixing head structure

Info

Publication number: CN112045880A
Application number: CN202010795952.2A
Authority: CN
Inventors: 范燕军
Original assignee: Individual
Current assignee: Jining Taixin Polymer Material Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-12-08
Anticipated expiration: 2040-08-10
Also published as: CN112045880B

Abstract

The invention relates to the technical field of polyurethane mixing equipment and discloses a polyurethane mixing head structure which comprises a cleaning barrel, wherein a barrel cap is fixedly mounted at the top of the cleaning barrel, a stepped cavity is formed in the middle of the cleaning barrel, and a first piston is movably sleeved in the middle of the cleaning barrel through the stepped cavity. This polyurethane mixing head structure, through the cooperation installation of clearance pole with the pole of inhaling, under the oil feed pump one and the injection hydraulic oil of oil feed pump two successively, make first piston arrive the below at first, inject hydraulic oil through oil feed pump two, thinner second first-selected drive of piston inhales the pole and shifts up, can absorb the air in the hybrid chamber, make the hybrid chamber form negative pressure chamber, first piston continues to drive the clearance pole and moves up, still stopping up the last time of hybrid chamber at the clearance pole, first and second feed pump begin to annotate the material, it mixes to spouting in the hybrid chamber, the hybrid chamber that does not have the air makes the raw materials mix can not produce the bubble, product quality is improved, the waste of raw materials is reduced.

Description

Polyurethane mixing head structure

Technical Field

The invention relates to the technical field of polyurethane mixing equipment, in particular to a polyurethane mixing head structure.

Background

The polyurethane mixing head is in multi-mode continuous production stereoplasm half stereoplasm polyurethane goods and polyurethane elastomer goods, is used for carrying out the equipment that mixes to spouting with two kinds of raw materials from the AB jar to in pouring into the mould with the polyurethane blowout after mixing, cool off the shaping, when not moulding plastics, can pour into cleaner and air into the mixing chamber, wash the mixing chamber, prevent to block up the passageway.

In the existing mixing head, when two stock solutions are sprayed and mixed in a mixing cavity, the two stock solutions originally contain air after being cleaned in the mixing cavity, and after the two stock solutions are mixed, the formed polyurethane can generate bubbles, so that workers are required to observe the discharged polyurethane, and the polyurethane can be poured until the discharged polyurethane does not contain the bubbles, thereby causing material waste; meanwhile, only by means of two oppositely arranged spray holes, the raw materials can be fully mixed only by high spray pressure, the pressure is reduced, and the raw material mixing effect is poor.

Disclosure of Invention

The invention provides a polyurethane mixing head structure, which has the advantages of no generation of bubbles and full mixing of raw materials during initial mixing, and solves the problems of waste caused by generation of a large amount of bubbles in the initial mixing of the raw materials and unqualified quality of a formed product caused by insufficient mixing of the raw materials.

The invention provides the following technical scheme: a polyurethane mixing head structure comprises a cleaning barrel, wherein a barrel cap is fixedly mounted at the top of the cleaning barrel, a step cavity is formed in the middle of the cleaning barrel, a first piston is movably sleeved in the middle of the cleaning barrel through the step cavity, a cleaning rod is fixedly mounted in the middle of the lower surface of the first piston, a filling pipe is fixedly sleeved on the bottom surface of the cleaning barrel, a second piston is movably sleeved above the first piston in an inner cavity of the cleaning barrel, an air suction rod is fixedly mounted in the middle of the bottom surface of the second piston, a step chute is formed in the middle of the first piston and communicated with the air suction rod in a matched manner, a first oil inlet pump is fixedly mounted at the top of the cleaning barrel and penetrates through the barrel cap, a second oil inlet pump is fixedly mounted at one side of the cleaning barrel and communicated with the bottom of a wide cavity of the step cavity, the two oil inlet pumps are communicated with the upper part and the lower part of the first piston in a separated manner, and fixedly mounted, the cleaning device comprises a cylinder barrel, a movable plug I, a movable plug II, a fixed plug, a feeding pipe, a pipe sleeve, a mixing cavity, a material distribution ring, a spraying hole, an air pipe, a cleaning pipe and a cleaning pipe, the utility model discloses a material feeding device, including inlet pipe, sliding hole, stopper two, oil feed pump five, clearance section of thick bamboo, the other end movable sleeve of inlet pipe is equipped with the punishment in advance sealed tube, the sliding hole has been seted up to the inside of punishment in advance sealed tube, the one end fixed mounting of sliding hole has feed pump two, one side fixed mounting of cylinder has oil feed pump three, the upper portion of cylinder and the middle part fixed mounting that the intercommunication removed stopper one and removed stopper two have oil feed pump four, the upper portion of cylinder and the intercommunication remove stopper two and fixed stopper be close to fixed stopper fixed mounting and have oil feed pump five, the.

Preferably, the outer surface of one end, close to the sliding hole, of the feeding pipe is provided with teeth, one side of the cylinder barrel is meshed with the teeth of the feeding pipe to form meshing teeth, and a motor is fixedly sleeved on one side of the meshing teeth.

Preferably, the outer surface of the feeding pipe is fixedly provided with breaking and scattering columns at staggered positions of the material spraying holes, and the inner surface of the mixing cavity is correspondingly provided with other breaking and scattering columns corresponding to the breaking and scattering columns on the outer surface of the feeding pipe.

Preferably, the first movable plug is fixedly sleeved with a feeding pipe, the feeding pipe protrudes from one side of the first movable plug, and the pipe sleeve is movably sleeved with the fixed plug and protrudes from one side of the fixed plug for limiting.

Preferably, the oil inlet pump III and the oil inlet pump V are simultaneously filled with hydraulic oil.

The invention has the following beneficial effects:

1. this polyurethane mixing head structure, through the cooperation installation of clearance pole with the pole of inhaling, under the oil feed pump one and the injection hydraulic oil of oil feed pump two successively, make first piston arrive the below at first, inject hydraulic oil through oil feed pump two, thinner second first-selected drive of piston inhales the pole and shifts up, can absorb the air in the hybrid chamber, make the hybrid chamber form negative pressure chamber, first piston continues to drive the clearance pole and moves up, still stopping up the last time of hybrid chamber at the clearance pole, first and second feed pump begin to annotate the material, it mixes to spouting in the hybrid chamber, the hybrid chamber that does not have the air makes the raw materials mix can not produce the bubble, product quality is improved, the waste of raw materials is reduced.

2. This polyurethane mixes first structure, the material spraying hole symmetry of seting up through the cloth ring that the annular set up and the inlet pipe for under the same input volume, the raw materials is dispersed blowout, and blowout range grow promptly makes the raw materials better to spouting the mixed effect, guarantees off-the-shelf quality.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a side view of the cloth ring of the present invention.

In the figure: 1. cleaning the cylinder; 2. a cartridge cap; 3. a stepped cavity; 4. a first piston; 5. cleaning the rod; 6. a second piston; 7. a step chute; 8. a suction rod; 9. an oil inlet pump I; 10. an oil inlet pump II; 11. a perfusion tube; 12. a cylinder barrel; 13. a slide chamber; 14. moving the first plug; 15. a second movable plug; 16. a fixed plug; 17. a feed pipe; 18. pipe sleeve; 19. a mixing chamber; 20. a material distribution ring; 21. a material spraying hole; 22. air holes; 23. an air tube; 24. passing a material sealing pipe; 25. a slide hole; 26. meshing teeth; 27. a motor; 28. an oil inlet pump III; 29. an oil inlet pump IV; 30. an oil inlet pump V; 31. a first feeding pump; 32. an air pump; 33. breaking and dispersing the columns; 34. and a second feeding pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a polyurethane mixing head structure includes a cleaning barrel 1, a barrel cap 2 fixedly installed on the top of the cleaning barrel 1, a step cavity 3 formed in the middle of the cleaning barrel 1, a first piston 4 movably sleeved on the middle of the cleaning barrel 1 through the step cavity 3, a cleaning rod 5 fixedly installed on the middle of the lower surface of the first piston 4, a filling pipe 11 fixedly sleeved on the bottom surface of the cleaning barrel 1, a second piston 6 movably sleeved on the inner cavity of the cleaning barrel 1 and above the first piston 4, a suction rod 8 fixedly installed in the middle of the bottom surface of the second piston 6, a step chute 7 formed in the cleaning rod 5 and communicated with the suction rod 8, a first oil feed pump 9 fixedly installed on the top of the cleaning barrel 1 and penetrating through the barrel cap 2, a second oil feed pump 10 fixedly installed on one side of the cleaning barrel 1 and communicating with the bottom of the wide cavity of the step cavity 3, the second oil feed pump 10 separately communicated with the upper and lower parts of the first piston 4, a cylinder barrel 12 is fixedly arranged at the lower part of the other side of the cleaning barrel 1, a sliding cavity 13 is arranged in the cylinder barrel 12, a first moving plug 14 is movably sleeved in an inner cavity of the cylinder barrel 12, a second moving plug 15 is movably sleeved at one side of the first moving plug 14 in the inner cavity of the cylinder barrel 12, a fixed plug 16 is fixedly sleeved at one side of the second moving plug 15 in the inner cavity of the cylinder barrel 12, a feed pipe 17 is movably sleeved in the middle of the cylinder barrel 12, a pipe sleeve 18 is fixedly arranged at the middle of one side of the second moving plug 15 and sleeved on the outer surface of the feed pipe 17, a mixing cavity 19 is arranged at the lower part of the other side of the cleaning barrel 1 and matched with the pipe sleeve 18, a cloth ring 20 is arranged at the inner surface of the mixing cavity 19 in the inner part of the other side of the cleaning barrel 1, a material spraying hole 21 is arranged at the position, a gas hole 22 is arranged at, one side of the lower surface of the cylinder barrel 12 is fixedly provided with an air pipe 23 in a matched mode with the lower surface of the pipe sleeve 18, the other end of the feeding pipe 17 is movably sleeved with a material passing sealing pipe 24, a sliding hole 25 is formed in the material passing sealing pipe 24, one end of the sliding hole 25 is fixedly provided with a feeding pump II 34, one side of the cylinder barrel 12 is fixedly provided with a feeding pump III 28, the upper portion of the cylinder barrel 12 is communicated with a moving plug I14 and the middle portion of a moving plug II 15 and is fixedly provided with a feeding pump IV 29, the upper portion of the cylinder barrel 12 is communicated with a moving plug II 15 and a fixed plug 16 and is fixedly provided with a feeding pump V30 close to the fixed plug 16, and the other side of the cleaning barrel 1 is.

Wherein, the tooth has been seted up to the surface that inlet pipe 17 is close to slide opening 25 one end, one side of cylinder 12 has meshing tooth 26 with the tooth meshing of inlet pipe 17, the fixed cover in one side of meshing tooth 26 is equipped with motor 27, move the cooperation department of cloth ring 20 through inlet pipe 17, meshing tooth 26 and tooth cooperation this moment, under the drive of motor 27, inlet pipe 17 can rotate, inlet pipe 17 after the rotation, spray the raw materials of cloth ring 20 to inlet pipe 17 surface and get rid of the internal surface of mixing chamber 19, spray the raw materials of mixing chamber 19 internal surface with spouting material hole 21 and further flow the mixture again, further improve the mixed effect of raw materials.

Wherein, the outer surface of the feeding pipe 17 and the staggered position of the material spraying hole 21 are fixedly provided with the breaking columns 33, the inner surface of the mixing chamber 19 is correspondingly provided with the other breaking columns 33 corresponding to the breaking columns 33 on the outer surface of the feeding pipe 17, and the breaking columns 33 are correspondingly fixedly arranged, so that in the rotating process of the feeding pipe 17, the raw material sprayed from the material spraying hole 21 is not opposite to the raw material sprayed from the material distribution ring 20 and collides with the breaking columns 33 to enable the sprayed raw material to be diffused to be wider, and under the centrifugal force action of the rotating feeding pipe 17, the raw material diffused from the outer surface of the feeding pipe 17 is thrown to the inner surface of the mixing chamber 19 to be further and fully mixed with another raw material, thereby further improving the mixing effect of the raw materials.

Wherein, remove the fixed suit of stopper one 14 and inlet pipe 17, inlet pipe 17 is at the one side protrusion that removes stopper one 14, pipe box 18 and the movable suit of fixed stopper 16, and it is spacing to protrude in one side of fixed stopper 16, through removing stopper one 14, remove stopper two 15, fixed stopper 16, the cooperation installation of inlet pipe 17, make oil feed pump three 28, oil feed pump four 29, the injection of oil feed pump five 30, remove stopper two 15 and can not block up oil feed pump four 29, guarantee to remove stopper one 14, remove stopper two 15 and can normally slide, drive inlet pipe 17, pipe box 18 can remove about, the injection raw materials can be to spouting the mixture, pour into the cleaner, trachea 23 can be put through with gas pocket 22, wash, guarantee the normal operating of equipment.

The oil inlet pump III 28 and the oil inlet pump V30 are filled with hydraulic oil at the same time, the oil inlet pump III 28 and the oil inlet pump V30 work at the same time, the pipe sleeve 18 and the inlet pipe 17 can work at the same time, the pipe sleeve 18 moves rightwards to open the cloth ring 20, the inlet pipe 17 moves leftwards to be matched with the cloth ring 20, and the normal opposite spraying and mixing process of equipment can be guaranteed.

The working principle of the polyurethane mixing head is as follows:

firstly, hydraulic oil is injected simultaneously through a first oil inlet pump 9, a third oil inlet pump 28 and a fifth oil inlet pump 30, a first piston 4 drives a cleaning rod 5 to move downwards to the bottom of a stepped cavity 3, a first moving plug 14 drives a feed pipe 17 to move leftwards, a material spraying hole 21 is matched with a material distribution ring 20, meshing teeth 26 are meshed with teeth on the outer surface of the feed pipe 17, a second moving plug 15 drives a pipe sleeve 18 to move rightwards and is separated from the material distribution ring 20, a second oil inlet pump 10 works to inject the hydraulic oil, a second thin piston 6 firstly drives an air suction rod 8 to move upwards to absorb air in a mixing cavity 19, the first piston 4 continuously moves upwards, the first feeding pump 31 and a second feeding pump 34 start to work to inject materials before the bottom end of the cleaning rod 5 is communicated with the mixing cavity 19, a motor 27 drives the meshing teeth 26 to rotate, the two raw materials are collided and mixed in the mixing cavity 19, and under the action of the rotating feed pipe 17, the raw materials collided and diffused on the outer surface of the feed pipe 17 33, the mixing cavity 19 is filled with the other raw materials, the cleaning rod 5 rises above the mixing cavity 19 at the moment, the mixed polyurethane enters the filling pipe 11 through the step cavity 3 and is discharged, when the filling is not finished, the oil inlet pump IV 29 works to inject hydraulic oil into the middle of the movable plug I14 and the movable plug II 15, the pipe sleeve 18 moves leftwards to scrape the polyurethane on the outer surface of the inlet pipe 17 and the inner surface of the mixing cavity 19, the air hole 22 is matched with the air pipe 23, the inlet pipe 17 moves rightwards under the driving of the movable plug I14, the air pump 32 works to inject the cleaning agent and the air, and the inner cavities of the mixing cavity 19, the step cavity 3 and the filling pipe 11 are cleaned.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polyurethane mixing head structure, includes a clearance section of thick bamboo (1), the top fixed mounting of a clearance section of thick bamboo (1) has a section of thick bamboo cap (2), ladder chamber (3) have been seted up at the middle part of a clearance section of thick bamboo (1), the middle part of a clearance section of thick bamboo (1) is equipped with piston (4) through ladder chamber (3) activity cover, the middle part fixed mounting of piston (4) lower surface has clearance pole (5), the fixed cover in bottom surface of a clearance section of thick bamboo (1) is equipped with fills pipe (11), its characterized in that: a piston II (6) is movably sleeved above the piston I (4) in the inner cavity of the cleaning barrel (1), an air suction rod (8) is fixedly installed in the middle of the bottom surface of the piston II (6), a stepped sliding chute (7) is formed in the middle of the piston I (4) and communicated with the cleaning rod (5) in a matching manner, an oil inlet pump I (9) is fixedly installed at the top of the cleaning barrel (1) and penetrates through a barrel cap (2), an oil inlet pump II (10) is fixedly installed at one side of the cleaning barrel (1) and communicated with the bottom of a wide cavity of a stepped cavity (3), the oil inlet pump II (10) is communicated with the upper portion and the lower portion of the piston I (4) in a separated manner, a cylinder barrel (12) is fixedly installed at the lower portion of the other side of the cleaning barrel (1), a sliding cavity (13) is formed in the cylinder barrel (12), and a movable sleeve of the inner cavity of the cylinder barrel (12) is provided with a, a movable plug II (15) is movably sleeved on one side of the inner cavity of the cylinder barrel (12) which is positioned on the movable plug I (14), a fixed plug (16) is fixedly sleeved on one side of the inner cavity of the cylinder barrel (12) which is positioned on the movable plug II (15), a feeding pipe (17) is movably sleeved in the middle of the cylinder barrel (12) which penetrates through the movable plug I (14), the movable plug II (15) and the fixed plug (16), a pipe sleeve (18) is fixedly installed in the middle of one side of the movable plug II (15) and sleeved on the outer surface of the feeding pipe (17), a mixing cavity (19) is formed in the lower portion of the other side of the cleaning barrel (1) in a matching mode and matched with the pipe sleeve (18), a material distribution ring (20) is formed in the inner portion of the other side of the cleaning barrel (1) and positioned on the inner surface of the mixing cavity (19), and a material spraying hole (, an air hole (22) is formed in the middle of the lower part of the pipe sleeve (18), an air pipe (23) is fixedly arranged on one side of the lower surface of the cylinder barrel (12) and matched with the lower surface of the pipe sleeve (18), the other end of the feeding pipe (17) is movably sleeved with a material passing sealing pipe (24), a sliding hole (25) is arranged inside the material passing sealing pipe (24), a second feeding pump (34) is fixedly installed at one end of the sliding hole (25), a third feeding pump (28) is fixedly installed at one side of the cylinder barrel (12), an oil inlet pump IV (29) is fixedly arranged at the upper part of the cylinder barrel (12) and the middle part of the movable plug I (14) and the movable plug II (15) which are communicated, an oil inlet pump V (30) is fixedly arranged at the upper part of the cylinder barrel (12) and communicated with the second movable plug (15) and the fixed plug (16) close to the fixed plug (16), and a first feeding pump (31) is fixedly arranged on the other side of the cleaning barrel (1) and communicated with the material distribution ring (20).

2. A polyurethane mixing head construction as claimed in claim 1, wherein: the outer surface of one end, close to the sliding hole (25), of the feeding pipe (17) is provided with teeth, one side of the cylinder barrel (12) is meshed with the teeth of the feeding pipe (17) to form meshing teeth (26), and a motor (27) is fixedly sleeved on one side of the meshing teeth (26).

3. A polyurethane mixing head construction as claimed in claim 1, wherein: the surface of inlet pipe (17) just is located the crisscross position fixed mounting who spouts material hole (21) and breaks post (33), the internal surface of hybrid chamber (19) just corresponds with the broken post (33) that looses of inlet pipe (17) surface and installs other broken post (33) that looses.

4. A polyurethane mixing head construction as claimed in claim 1, wherein: the movable plug I (14) is fixedly sleeved with the feeding pipe (17), the feeding pipe (17) protrudes at one side of the movable plug I (14), and the pipe sleeve (18) is movably sleeved with the fixed plug (16) and protrudes at one side of the fixed plug (16) for limiting.

5. A polyurethane mixing head construction as claimed in claim 1, wherein: and the oil inlet pump III (28) and the oil inlet pump V (30) are simultaneously filled with hydraulic oil.