CN116985318A - Low-pressure polyurethane casting machine and uniform stirring structure thereof - Google Patents

Low-pressure polyurethane casting machine and uniform stirring structure thereof Download PDF

Info

Publication number
CN116985318A
CN116985318A CN202311270596.2A CN202311270596A CN116985318A CN 116985318 A CN116985318 A CN 116985318A CN 202311270596 A CN202311270596 A CN 202311270596A CN 116985318 A CN116985318 A CN 116985318A
Authority
CN
China
Prior art keywords
stirring
end plate
polyurethane
casting machine
steel ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311270596.2A
Other languages
Chinese (zh)
Other versions
CN116985318B (en
Inventor
李俊
朱勇健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Shifang Electromechanical Equipment Co ltd
Original Assignee
Nantong Shifang Electromechanical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Shifang Electromechanical Equipment Co ltd filed Critical Nantong Shifang Electromechanical Equipment Co ltd
Priority to CN202311270596.2A priority Critical patent/CN116985318B/en
Publication of CN116985318A publication Critical patent/CN116985318A/en
Application granted granted Critical
Publication of CN116985318B publication Critical patent/CN116985318B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The application relates to the technical field of polyurethane stirring, and particularly provides a low-pressure polyurethane casting machine and a uniform stirring structure thereof, wherein the stirring structure comprises: a tank body; the stirring module is arranged in the tank body and is used for stirring the polyurethane raw material; the stirring module comprises a first end plate, a second end plate and a plurality of stirring blades fixedly connected between the first end plate and the second end plate, wherein the stirring blades are circumferentially distributed around the axis of the first end plate, and the stirring She Pianxin is arranged to gather polyurethane raw materials at the axis of the stirring module when the stirring module rotates; the stirring structure further comprises a core pipe arranged at the axis of the stirring module, and a plurality of liquid permeable holes are uniformly distributed on the core pipe; the stirring structure of the low-pressure polyurethane casting machine disclosed by the embodiment of the application can improve the stirring efficiency of polyurethane raw materials and ensure that the raw materials are mixed more uniformly.

Description

Low-pressure polyurethane casting machine and uniform stirring structure thereof
Technical Field
The application relates to the technical field of polyurethane stirring, in particular to a low-pressure polyurethane casting machine and a uniform stirring structure thereof.
Background
Polyurethane, which is known as polyurethane, is a high molecular compound. The polyurethane can be made into polyurethane plastics, polyurethane fibers, polyurethane rubber and elastomers. Is mainly used in shoemaking industry and medical industry. The polyurethane can also be used for preparing adhesives, coatings, synthetic leather and the like.
In the process of preparing the product, polyurethane is mainly used in a polyurethane casting machine, and the polyurethane casting machine is applied to the multi-mode continuous production of hard semi-hard polyurethane products; the polyurethane pouring machine needs to stir polyurethane to prevent the polyurethane from solidifying during working, and the scheme generally adopted at present is stirring through stirring blades, however, the stirring structure of the stirring blades at present is simple, and the stirring range of polyurethane raw materials is smaller during stirring, so that the stirring efficiency of the polyurethane at present is lower, and therefore, the application provides the low-pressure polyurethane pouring machine and the uniform stirring structure thereof.
Disclosure of Invention
The application aims to provide a low-pressure polyurethane casting machine and a uniform stirring structure thereof, so as to solve the problem of low stirring efficiency of the existing polyurethane raw materials.
In order to achieve the above purpose, the present application provides the following technical solutions:
a low pressure polyurethane casting machine stirring structure, the stirring structure comprising:
the stirring structure includes:
a tank body;
the stirring module is arranged in the tank body and is used for stirring the polyurethane raw material;
a driving unit for driving the stirring module to rotate, wherein,
the stirring module comprises a first end plate, a second end plate and a plurality of stirring blades fixedly connected between the first end plate and the second end plate, wherein the stirring blades are circumferentially distributed around the axis of the first end plate, and the stirring She Pianxin is arranged to gather polyurethane raw materials at the axis of the stirring module when the stirring module rotates;
the stirring structure further comprises a core pipe arranged at the axis of the stirring module, and a plurality of liquid-permeable holes are uniformly distributed on the core pipe.
Preferably, the upper end of the second end plate is arranged in a conical shape.
Preferably, the stirring structure further comprises:
the flow equalizing plate is annular, the flow equalizing plate is sleeved at the opening part of the core tube, and a plurality of flow equalizing holes are arranged on the flow equalizing plate to split polyurethane raw materials flowing out of the core tube.
Preferably, a flow slope is arranged between the flow equalizing hole and the inner ring of the flow equalizing plate, and the flow slope is conical.
Preferably, the first end plate is provided with a second steel ball groove, the second end plate is provided with a first steel ball groove, the tank body is internally provided with a first steel ball track, the second steel ball track is provided with a third steel ball groove, and the stirring structure further comprises:
the ball is arranged between the first steel ball track and the second steel ball groove and between the first steel ball groove and the third steel ball groove.
Preferably, the external part of the stirring module is fixedly connected with a gear ring, and the driving unit comprises:
a driving motor fixedly connected to the tank;
the driving rod is rotationally connected to the tank body, the driving motor drives the driving rod to rotate, a first gear is fixedly connected to the driving rod, and the first gear is meshed with the gear ring.
Preferably, the first gear is provided with at least three groups, the first gear is in around stirring module's circumference is last stirring module's axis evenly distributed, drive unit still including rotate connect in the pinion rack on the jar body, still be provided with the second gear on the actuating lever, the second gear with the pinion rack meshing, driving motor's output shaft with pinion rack fixed connection is in order to drive the pinion rack rotates.
Further, the stirring structure further comprises:
locate discharging pipe and inlet pipe, the discharging pipe with the inlet pipe is located the internal one end of jar all sets up the bottom of jar body.
Further, an interlayer is further arranged on the outer wall of the tank body, and a heating device is arranged in the interlayer to heat the polyurethane raw material in the tank body.
The application also discloses a low-pressure polyurethane casting machine, wherein the material tank of the casting machine adopts the low-pressure polyurethane stirring structure. .
In summary, compared with the prior art, the application has the following beneficial effects:
according to the stirring structure of the low-pressure polyurethane casting machine disclosed by the embodiment of the application, the polyurethane raw materials at the center flow out of the core tube and uniformly flow to the liquid level of the polyurethane raw materials in a mode of driving the polyurethane raw materials to gather towards the center, meanwhile, the polyurethane raw materials are stirred in the flowing process of the polyurethane raw materials, and the core tube can lead the polyurethane raw materials to be mixed after being split, so that the stirring efficiency of the polyurethane raw materials is improved, and the raw materials are more uniformly mixed.
Drawings
Fig. 1 is a schematic view of a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a stirring module in a stirring structure of a low-pressure polyurethane casting machine according to a first embodiment of the present application.
Fig. 3 is a schematic structural view of a second view angle of a stirring module in a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the present application.
Fig. 4 is a front view of a stirring module in a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the present application.
Fig. 5 is a cross-sectional view of A-A in fig. 4.
Fig. 6 is a schematic structural diagram of a core tube in a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the application.
Fig. 7 is a schematic structural diagram of a first view angle of a flow equalizing plate in a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the application.
Fig. 8 is a schematic structural diagram of a second view angle of a flow equalizing plate in a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the application.
Reference numerals: 1. a tank body; 11. an interlayer; 12. a first steel ball track;
2. a stirring module; 21. a first end plate; 22. a second end plate; 23. stirring the leaves; 24. a first steel ball groove; 25. a second steel ball groove; 26. a gear ring;
3. a core tube; 31. a liquid-permeable hole;
4. a flow equalizing plate; 41. a flow slope; 42. flow equalizing holes; 43. a flow baffle; 44. a transmission hole; 45. a second steel ball track; 46. a third steel ball groove;
5. a driving unit; 51. a driving motor; 52. a driving rod; 53. a first gear; 54. a second gear; 55. a toothed plate;
6. an upper cover assembly; 61. an inner cover; 62. an outer cover;
7. a ball;
8. a discharge pipe;
9. and (5) feeding a pipe.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present application are included in the protection scope of the present application.
Example 1
As shown in fig. 1 and fig. 2, a stirring structure of a low-pressure polyurethane casting machine according to an embodiment of the present application includes a tank 1, a stirring module 2, a core tube 3, and a driving unit 5; the stirring module 2 is rotatably connected in the tank body 1, the stirring module 2 comprises a first end plate 21, a second end plate 22 and a plurality of stirring blades 23 fixedly connected between the first end plate 21 and the second end plate 22, the first end plate 21 and the second end plate 22 are annular, the plurality of stirring blades 23 are uniformly distributed around the axis of the first end plate 21 in the circumferential direction, and the stirring blades 23 are eccentrically arranged on the first end plate 21 and the second end plate 22 so that the stirring blades 23 gather polyurethane raw materials at the axis of the first end plate 21 when the stirring module 2 rotates; the core tube 3 is in a cylinder shape with an opening at one end, a plurality of liquid permeable holes 31 are uniformly distributed on the core tube 3 to communicate the interior of the core tube 3 with the interior of the tank 1, and the core tube 3 is arranged at the position of the surrounding center of the stirring blade 23 so that polyurethane raw materials gathered at the surrounding center of the stirring blade 23 flow out from one end of the core tube 3 to flow to the liquid level of the polyurethane raw materials; the driving unit 5 is fixedly connected to the tank body 1 and is used for driving the stirring module 2 to rotate in the tank body 1;
in this embodiment, after the polyurethane raw material is added into the tank body 1, the driving unit 5 is started, the driving unit 5 drives the stirring module 2 to rotate, because the stirring blade 23 is in a drum fan shape, when the stirring blade 23 rotates, the stirring blade 23 gathers the polyurethane raw material at the center of the tank body 1 and enters the core tube 3 through the liquid permeable hole 31, at this time, the pressure in the core tube 3 increases, the polyurethane raw material in the core tube 3 flows out from the end of the core tube 3 and flows around the end of the core tube 3, the polyurethane raw material is split by the liquid permeable hole 31 when flowing through the liquid permeable hole 31 and then enters the core tube 3 to be mixed, the polyurethane raw material in the core tube 3 flows to the liquid level of the polyurethane raw material and is mixed with the polyurethane raw material outside the core tube 3 under the pushing of the polyurethane raw material, meanwhile, the stirring blade 23 can play the role of stirring raw material in the process of rotating the stirring module 2, and the polyurethane raw material in the stirring module 2 flows in the tank body 1-is split to be mixed in the mixing tank-1;
in this embodiment, the tank 1 is in a cylindrical shape with an opening at one end, the mouth of the tank 1 is fixedly connected with an upper cover assembly 6, and the driving unit 5 is fixedly connected to the upper cover assembly 6;
as a preferred implementation manner in this embodiment, an interlayer 11 is further disposed on the outer wall of the tank body 1, and a heating device is disposed in the interlayer 11 to heat the polyurethane raw material in the tank body 1;
in some examples, the interlayer 11 is hollow, and a heating wire is spirally wound inside the interlayer 11, and generates heat to heat the polyurethane raw material in the tank 1 after the heating wire is electrified;
the heating device may also have other structures, for example, the heating device is a heat-conducting pipe spirally surrounding the interlayer 11, and the heat-conducting pipe can heat the tank 1 when high-temperature steam or heat-conducting oil is introduced into the heat-conducting pipe;
in some examples, the tank 1 and the stirring module 2 are fixedly connected by bolts, for example, a first flange is arranged at the mouth of the tank 1, a second flange is arranged on the stirring module 2, and flange structures on the tank 1 and the stirring module 2 are fixedly connected by bolts to fix the tank 1 and the stirring module 2;
as shown in fig. 2 to 5, the first end plate 21 and the second end plate 22 are both annular, and when installed, the first end plate 21 and the second end plate 22 are both sleeved outside the core tube 3, preferably, in order to reduce wear between the first end plate 21 and the second end plate 22 and the core tube 3, the inner diameters of the first end plate 21 and the second end plate 22 are larger than the outer diameter of the core tube 3;
further, in order to prevent the liquid from collecting on the upper end of the second end plate 22, the upper end of the second end plate 22 is tapered, so that the polyurethane raw material flowing onto the second end plate 22 can fall along the tapered surface;
as shown in fig. 6, the core tube 3 is in a cylindrical shape with openings at two ends, one end of the core tube 3 is fixedly connected to the bottom of the can body 1, the joint between the core tube 3 and the can body 1 is sealed, and illustratively, the can body 1 and the core tube 3 are fixedly connected by welding, so that polyurethane raw materials in the core tube 3 flow out from the upper end of the core tube 3;
as a preferred implementation manner in this embodiment, the stirring structure further includes a flow equalizing plate 4, where the flow equalizing plate 4 is disposed at the mouth of the core tube 3; the flow equalizing plate 4 is annular, the flow equalizing plate 4 is sleeved at the opening part of the core tube 3, and a plurality of flow equalizing holes 42 are formed in the flow equalizing plate 4 so that polyurethane raw materials flowing out of the core tube 3 can be uniformly distributed to the liquid level;
as shown in fig. 7 and 8, the flow equalizing holes 42 are uniformly distributed around the center of the flow equalizing plate 4 in a ring shape, the flow equalizing holes 42 are through holes penetrating through the flow equalizing plate 4, the polyurethane raw material flowing out of the core tube 3 flows to the flow equalizing holes 42 on the flow equalizing plate 4, and then is leaked to the liquid surface of the polyurethane raw material from the flow equalizing holes 42;
in some examples, the flow equalizing plate 4 is fixedly connected to the inner wall of the tank body 1, for example, a supporting ring is welded on the inner wall of the tank body 1, the flow equalizing plate 4 is fixedly connected to the supporting ring through screws, and the flow equalizing plate 4 and the tank body 1 can be fixedly connected through welding;
as a preferred implementation manner in this embodiment, a flow slope 41 is disposed between the flow equalizing hole 42 and the inner ring of the flow equalizing plate 4, the flow slope 41 is a conical surface to prevent the liquid from accumulating on the flow equalizing plate 4, and the flow slope 41 is conical;
as a preferred embodiment in this embodiment, the first end plate 21 is provided with a second steel ball groove 25, the second end plate 22 is provided with a first steel ball groove 24, both the first steel ball groove 24 and the second steel ball groove 25 are annular grooves, the tank 1 is internally provided with a first steel ball track 12, the first steel ball track 12 is provided with an annular groove, one end of the flow equalizing plate 4, which is close to the stirring module 2, is provided with a second steel ball track 45, the second steel ball track 45 is provided with a third steel ball groove 46, the third steel ball groove 46 is an annular groove, the stirring structure further comprises balls 7, and the balls 7 are arranged between the first steel ball track 12 and the second steel ball groove 25 and between the first steel ball groove 24 and the third steel ball groove 46 to reduce friction between the stirring module 2 and the tank 1 and the flow equalizing plate 4;
the ball 7 changes the contact mode between the stirring module 2 and the tank body 1 and the flow equalizing plate 4, and when the stirring module 2 rotates, the ball 7 rolls between the stirring module 2 and the tank body 1 and between the stirring module 2 and the flow equalizing plate 4, so that the abrasion of the stirring module 2 is reduced;
since the first end plate 21 is tapered, the balls 7 can also play a role in limiting the stirring module 2, so as to prevent the stirring module 2 from shaking in the process of rotation;
as a preferred embodiment of the present embodiment, the external part of the stirring module 2 is fixedly connected with a gear ring 26, the driving unit 5 includes a driving motor 51 and a driving rod 52, the driving motor 51 is fixedly connected to the tank 1, the driving rod 52 is rotatably connected to the tank 1, the driving motor 51 drives the driving rod 52 to rotate, a first gear 53 is fixedly connected to the driving rod 52 to drive the stirring module 2 to rotate, and the first gear 53 is meshed with the gear ring 26;
in this embodiment, one end of the driving rod 52 is rotatably connected to the bottom of the tank 1, the driving unit 5 passes through the flow equalizing plate 4 and the upper cover assembly 6 and is connected to the driving motor 51 outside the tank 1, when the driving motor 51 is energized to rotate, the driving motor 51 drives the driving rod 52 to rotate, and the driving rod 52 drives the stirring module 2 to rotate through the first gear 53 and the gear ring 26;
preferably, as shown in fig. 7, the flow equalizing plate 4 is further provided with a flow blocking plate 43, the flow blocking plate 43 is cylindrical, the flow blocking plate 43 is fixedly connected to the flow equalizing plate 4, the flow equalizing plate 4 is further provided with a transmission hole 44, the driving rod 52 passes through the transmission hole 44 and is rotationally connected with the transmission hole 44, and the flow blocking plate 43 is arranged between the flow equalizing hole 42 and the transmission hole 44 to prevent polyurethane raw materials from flowing to the transmission hole 44;
preferably, the first gear 53 is provided with at least three groups, the first gears 53 are uniformly distributed around the axis of the stirring module 2 in the circumferential direction of the stirring module 2, the driving unit 5 further comprises a toothed plate 55 rotatably connected to the tank 1, the driving rod 52 is further provided with a second gear 54, the second gear 54 is meshed with the toothed plate 55, and an output shaft of the driving motor 51 is fixedly connected with the toothed plate 55 to drive the toothed plate 55 to rotate;
in this embodiment, the driving rods 52 are provided with a plurality of groups, and the driving rods 52 limit the stirring module 2 in the process of driving the stirring module 2 to rotate so as to enable the stirring module 2 to stably rotate;
the gear ring 26 is arranged on the first end plate 21 and the second end plate 22, and the first gears 53 are arranged in two, so that the driving force received by the stirring module 2 is uniformly distributed outside the stirring module 2;
the first gear 53 and the second gear 54 are fixedly connected to the driving rod 52 by screws;
the toothed plate 55 is disc-shaped, a rotating shaft is arranged at one end, far away from the driving motor 51, of the toothed plate 55, and the rotating shaft of the toothed plate 55 is connected with the upper cover assembly 6 through a bearing;
as a preferred implementation manner in this embodiment, the stirring structure further includes a discharging pipe 8 and a feeding pipe 9, where the discharging pipe 8 and the feeding pipe 9 are disposed at one end in the tank 1 and are both disposed at the bottom of the tank 1, the discharging pipe 8 is used for connecting with a feeding device, and the feeding pipe 9 is used for connecting with a discharging device.
Example 2
As a further embodiment of the present application, the present embodiment is different from the embodiment can 1 in that the upper cover assembly 6 includes an inner cover 61 and an outer cover 62, the inner cover 61 is of a flat plate structure, the inner cover 61 and the outer cover 62 are fixedly connected, the driving motor 51 is fixedly connected to the outer cover 62, and the second gear 54 and the toothed plate 55 are provided between the outer cover 62 and the inner cover 61 to prevent dust from entering between the inner cover 61 and the outer cover 62;
the inner lid 61 and the outer lid 62 are fixedly connected to the can body 1 by bolts, and the can body 1 and the outer lid 62 clamp the inner lid 61 when connected.
In summary, embodiments 1 and 2 of the present application disclose a stirring structure of a low-pressure polyurethane casting machine, which drives polyurethane raw materials to gather toward a center so that the polyurethane raw materials in the center flow out of a core tube 3 and uniformly flow to a liquid surface of the polyurethane raw materials, and simultaneously, the polyurethane raw materials are stirred in the flowing process of the polyurethane raw materials, and the polyurethane raw materials are stirred in the tank 1 through the stirring-splitting-mixing-stirring processes, so that the mixing speed of the polyurethane raw materials in the tank 1 is faster, the stirring efficiency of the polyurethane raw materials is improved, and the mixing of the raw materials is more uniform.
Example 3
The application also discloses a low-pressure polyurethane casting machine, wherein a raw material tank of the casting machine adopts the low-pressure polyurethane stirring structure described in the embodiment 1 or the embodiment 2.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A low pressure polyurethane casting machine stirring structure, characterized in that, the stirring structure includes:
a tank body;
the stirring module is arranged in the tank body and is used for stirring the polyurethane raw material;
a driving unit for driving the stirring module to rotate, wherein,
the stirring module comprises a first end plate, a second end plate and a plurality of stirring blades fixedly connected between the first end plate and the second end plate, wherein the stirring blades are circumferentially distributed around the axis of the first end plate, and the stirring She Pianxin is arranged to gather polyurethane raw materials at the axis of the stirring module when the stirring module rotates;
the stirring structure further comprises a core pipe arranged at the axis of the stirring module, and a plurality of liquid-permeable holes are uniformly distributed on the core pipe.
2. The stirring structure of the low-pressure polyurethane casting machine according to claim 1, wherein the upper end of the second end plate is arranged in a conical shape.
3. The low pressure polyurethane casting machine stirring structure according to claim 1, further comprising:
the flow equalizing plate is annular, the flow equalizing plate is sleeved at the opening part of the core tube, and a plurality of flow equalizing holes are arranged on the flow equalizing plate to split polyurethane raw materials flowing out of the core tube.
4. The stirring structure of the low-pressure polyurethane casting machine according to claim 3, wherein a flow slope is arranged between the flow equalizing hole and the inner ring of the flow equalizing plate, and the flow slope is conical.
5. The stirring structure of the low-pressure polyurethane casting machine according to claim 3, wherein the first end plate is provided with a second steel ball groove, the second end plate is provided with a first steel ball groove, the tank body is provided with a first steel ball track, the second steel ball track is provided with a third steel ball groove, and the stirring structure further comprises:
the ball is arranged between the first steel ball track and the second steel ball groove and between the first steel ball groove and the third steel ball groove.
6. The stirring structure of any one of claims 1 to 5, wherein a gear ring is fixedly connected to the outside of the stirring module, and the driving unit comprises:
a driving motor fixedly connected to the tank;
the driving rod is rotationally connected to the tank body, the driving motor drives the driving rod to rotate, a first gear is fixedly connected to the driving rod, and the first gear is meshed with the gear ring.
7. The stirring structure of the low-pressure polyurethane casting machine according to claim 6, wherein at least three groups of first gears are arranged, the first gears are uniformly distributed around the axis of the stirring module in the circumferential direction of the stirring module, the driving unit further comprises a toothed plate rotatably connected to the tank body, a second gear is further arranged on the driving rod and meshed with the toothed plate, and an output shaft of the driving motor is fixedly connected with the toothed plate so as to drive the toothed plate to rotate.
8. The stirring structure of any one of claims 1 to 5, further comprising:
locate discharging pipe and inlet pipe, the discharging pipe with the inlet pipe is located the internal one end of jar all sets up the bottom of jar body.
9. The stirring structure of any one of claims 1 to 5, wherein an interlayer is further provided on the outer wall of the tank body, and a heating device is provided in the interlayer to heat the polyurethane raw material in the tank body.
10. A low-pressure polyurethane casting machine, characterized in that a raw material tank of the casting machine adopts the low-pressure polyurethane stirring structure as claimed in any one of claims 1 to 9.
CN202311270596.2A 2023-09-28 2023-09-28 Low-pressure polyurethane casting machine and uniform stirring structure thereof Active CN116985318B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311270596.2A CN116985318B (en) 2023-09-28 2023-09-28 Low-pressure polyurethane casting machine and uniform stirring structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311270596.2A CN116985318B (en) 2023-09-28 2023-09-28 Low-pressure polyurethane casting machine and uniform stirring structure thereof

Publications (2)

Publication Number Publication Date
CN116985318A true CN116985318A (en) 2023-11-03
CN116985318B CN116985318B (en) 2023-12-29

Family

ID=88528840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311270596.2A Active CN116985318B (en) 2023-09-28 2023-09-28 Low-pressure polyurethane casting machine and uniform stirring structure thereof

Country Status (1)

Country Link
CN (1) CN116985318B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114953236A (en) * 2022-06-02 2022-08-30 王金凤 A raw and other materials mixing stirring device for processing of light-duty rescue boots
CN116587670A (en) * 2023-05-17 2023-08-15 安徽颍美科技股份有限公司 Novel polyester film bag processing production technology

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114953236A (en) * 2022-06-02 2022-08-30 王金凤 A raw and other materials mixing stirring device for processing of light-duty rescue boots
CN116587670A (en) * 2023-05-17 2023-08-15 安徽颍美科技股份有限公司 Novel polyester film bag processing production technology

Also Published As

Publication number Publication date
CN116985318B (en) 2023-12-29

Similar Documents

Publication Publication Date Title
CN106390895B (en) A kind of chemical reaction kettle for being capable of crushing, stirring industrial chemicals
CN203316118U (en) Y-shaped rotor polymerization reactor
CN105498592A (en) Planetary gear type friction material mixer
CN106732037A (en) A kind of liquid charging stock mixing arrangement
US5123748A (en) Mixing device with central thermal element
CN116985318B (en) Low-pressure polyurethane casting machine and uniform stirring structure thereof
CN215404197U (en) External rotation continuous anaerobic dry fermentation equipment
CN216458274U (en) Mixing arrangement is used in production of USP low temperature modified asphalt
CN214234016U (en) Waterborne polyurethane resin polymerization cauldron
CN217190219U (en) Concentration device for piston pusher centrifuge
CN205269924U (en) Centrifugal machine
CN212974221U (en) Novel short-distance distillation scraper device with high-speed splash-proof steam channel
CN209619336U (en) A kind of self-cleaning fermentor
CN212578942U (en) Agitating unit is used in resin production
CN113373027A (en) External rotation continuous anaerobic dry fermentation equipment and fermentation method
CN112264383A (en) Traditional chinese medicine raw materials preprocessing device
CN220176281U (en) Filter equipment is used in methoxy methyl acetate production
CN219984449U (en) Efficient stirring mechanism of wax stirring machine
CN219972225U (en) Internal and external heating type cooking pot
CN115849477A (en) Sewage treatment agent feeding machine
CN112026041A (en) Agitating unit is used in resin production
CN218901470U (en) Stirring device for preparing high molecular water-absorbent resin
CN210522397U (en) Mixing device for acetate fiber production
CN219784675U (en) Discharging device of coating stirring kettle
CN220589936U (en) Ion exchange resin reaction device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant