Mixing device for flame-retardant polyether composition

Abstract

The utility model provides a flame-retardant polyether composition mixing device, which comprises a stirring barrel, a feeding assembly is arranged above the stirring barrel, the feeding assembly comprises a feeding hopper, the bottom of the feeding hopper is connected with a plurality of connecting pipes, the bottoms of the connecting pipes are all connected with connectors, and the connectors are connected with the stirring barrel. The plurality of connectors are uniformly connected with the top of the stirring barrel; the plurality of feeding assemblies are respectively arranged on the side of the feeding hopper; and the stirring device is arranged in the stirring barrel. According to the mixing device of the flame-retardant polyether composition provided by the utility model, the charging hopper with the plurality of feeding assemblies and the plurality of connecting pipes is arranged above the stirring barrel with the plurality of connectors; the loading hopper with a plurality of feeding assemblies and a plurality of connecting pipes and the stirring barrel can be detached and replaced.

Description

Technical Field

[0001] The utility model relates to the field of flame retardant polyether compositions, in particular to a mixing device for flame retardant polyether compositions. Background Art

[0002] The flame retardant polyether composition is a polyether mixture with flame retardant properties, and is generally used to prepare flame retardant polyurethane foam and other materials.

[0003] When the current flame retardant polyether composition is processed, different raw materials are mixed, and when the different raw materials are mixed, a mixing device is required to perform auxiliary operations.

[0004] However, the patent application with publication number CN211800305U proposed in the prior art facilitates the quantitative downward transmission of raw materials inside the hopper through the setting of the material control component, so that various raw materials are mixed according to a certain ratio, and thus mixed according to a specific ratio to form a specified ratio mixture. The setting of the fan blades facilitates the stirring of the raw materials inside the mixing box and forms an internal circulation, so that the various raw materials entering the mixing box are fully mixed with good mixing uniformity. The mixed raw materials enter the interior of the conveying cylinder, and the spiral blades rotate with the rotating shaft, so that the raw materials inside the mixing box are quantitatively transmitted downward, avoiding the transmission of raw materials due to uneven stirring and improving the degree of stirring uniformity. The advantages of the utility model are: simple structure, easy operation, good uniformity, and quantitative proportioning feeding is realized.

[0005] However, current mixing devices will perform preliminary mixing in order to fully mix the raw materials, but the current preliminary mixing devices are only provided with a small number of feeding ports for inputting raw materials. When a small number of feeding ports are used for inputting raw materials, when adding a variety of raw materials, a small number of feeding ports are difficult to adapt to the feeding operation.

[0006] Therefore, it is necessary to provide a mixing device for a flame retardant polyether composition to solve the above technical problems. Utility Model Content

[0007] The utility model provides a mixing device for a flame retardant polyether composition, which solves the problem that only a small number of feeding ports are provided on the existing preliminary mixing device for inputting raw materials, and when the small number of feeding ports are used for inputting raw materials, it is difficult for the small number of feeding ports to adapt to the feeding operation when filling a variety of raw materials.

[0008] In order to solve the above technical problems, the utility model provides a mixing device for a flame retardant polyether composition, comprising:

[0009] A stirring barrel, wherein a feeding assembly is arranged above the stirring barrel, wherein the feeding assembly comprises a feeding hopper, wherein a plurality of connecting pipes are connected to the bottom of the feeding hopper, wherein the bottoms of the plurality of connecting pipes are all connected to connecting heads, and the plurality of connecting heads are all connected to the top of the stirring barrel;

[0010] A plurality of feeding components, wherein the plurality of feeding components are respectively arranged on the sides of the feeding hopper;

[0011] A stirring device is arranged inside the stirring barrel.

[0012] Preferably, the feeding assembly comprises a conveying pipe, one end of which is connected to a feeding hopper, and one end of which is connected to a side of the feeding hopper.

[0013] Preferably, the stirring device comprises a motor, one end of the motor output shaft is fixedly connected to a rotating rod via a coupling, and a plurality of stirring blades are sequentially connected to the surface of the rotating rod from top to bottom.

[0014] Preferably, a connecting assembly is provided at the bottom of the mixing barrel, and the connecting assembly includes a valve, and a connecting pipe is connected to the bottom of the valve.

[0015] Preferably, a mounting assembly is provided on the surface of the mixing barrel, and the mounting assembly comprises a fixing ring, and L-shaped connecting rods are connected to both left and right sides of the surface of the fixing ring.

[0016] Preferably, a movable sleeve is sleeved on the surface of the L-shaped connecting rod, one side of the movable sleeve is connected to a fixed rod, and the bottom end of the fixed rod is connected to a mounting block.

[0017] Preferably, a fixing bolt is provided inside the movable sleeve, and a stopper is connected to the bottom end of the L-shaped connecting rod.

[0018] Compared with the related art, the mixing device of a flame retardant polyether composition provided by the utility model has the following beneficial effects:

[0019] The utility model provides a mixing device for a flame retardant polyether composition. A feeding hopper with multiple feeding components and multiple connecting pipes is arranged above a stirring barrel with multiple connecting heads. When different kinds of raw materials are added, the feeding hopper with multiple feeding components and multiple connecting pipes can be disassembled and replaced between the stirring barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a first embodiment of a mixing device for a flame retardant polyether composition provided by the utility model;

[0021] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;

[0022] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the entire internal structure of the device shown;

[0023] Figure 4 for Figure 1 A schematic diagram of the overall three-dimensional structure of the device shown;

[0024] Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown;

[0025] Figure 6 The utility model provides a flame retardant polyether composition mixing device according to the second embodiment of the structure of the schematic diagram.

[0026] Numbers in the figure: 1. Mixing barrel,

[0027] 2. Feeding assembly, 21. Feeding hopper, 22. Connecting pipe, 23. Connecting head,

[0028] 3. Feeding assembly, 31. Conveying pipe, 32. Feeding hopper,

[0029] 4. stirring device, 41. motor, 42. rotating rod, 43. stirring blade,

[0030] 5. Connecting assembly, 51. Valve, 52. Connecting pipe,

[0031] 6. Installation assembly, 61. Fixing ring, 62. L-shaped connecting rod, 63. Movable sleeve, 64. Fixing rod, 65. Installation block, 66. Fixing bolt, 67. Stop block. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0033] First embodiment

[0034] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a first embodiment of a mixing device for a flame retardant polyether composition provided by the utility model; Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the entire internal structure of the device shown;

[0035] Figure 4 for Figure 1A schematic diagram of the overall three-dimensional structure of the device shown; Figure 5 for Figure 4 The enlarged schematic diagram of part B is shown. A mixing device for a flame retardant polyether composition comprises:

[0036] A stirring barrel 1, wherein a feeding assembly 2 is arranged above the stirring barrel 1, wherein the feeding assembly 2 comprises a feeding hopper 21, wherein a plurality of connecting pipes 22 are connected to the bottom of the feeding hopper 21, wherein a plurality of connecting pipes 22 are connected to the bottoms of the plurality of connecting pipes 22, and a plurality of connecting heads 23 are connected to the top of the stirring barrel 1;

[0037] A plurality of feeding components 3, wherein the plurality of feeding components 3 are respectively arranged on the sides of the feeding hopper 21;

[0038] The stirring device 4 is arranged inside the stirring barrel 1 .

[0039] The feeding assembly 3 includes a conveying pipe 31 , one end of which is connected to a feeding hopper 32 , and one end of which is connected to a side of the feeding hopper 21 .

[0040] The connecting pipe 22 and the connecting head 23 are fixed by plugging and unplugging.

[0041] The stirring device 4 comprises a motor 41 , one end of the output shaft of the motor 41 is fixedly connected to a rotating rod 42 via a coupling, and a plurality of stirring blades 43 are sequentially connected to the surface of the rotating rod 42 from top to bottom.

[0042] A connecting assembly 5 is disposed at the bottom of the mixing barrel 1 . The connecting assembly 5 includes a valve 51 . A connecting pipe 52 is connected to the bottom of the valve 51 .

[0043] The hopper 21 is in the shape of an inverted cone, and the transportation of multiple connecting pipes 22 facilitates the rapid flow of raw materials inside the hopper 21 to the inside of the mixing barrel 1. The motor 41 is installed on the top of the mixing barrel 1 by bolts. The motor 41 is a servo motor and is powered by an external power supply.

[0044] The working principle of a mixing device for a flame retardant polyether composition provided by the utility model is as follows:

[0045] During use, when the raw materials are added for preliminary mixing, first, the feeding hopper 21 with the feeding component 3 is selected according to the quantity of the raw materials. After the feeding hopper 21 with the feeding component 3 is selected, the connecting pipe 22 at the bottom of the feeding hopper 21 is connected and fixed with the connecting head 23 at the top of the mixing barrel 1. After the feeding hopper 21 with the feeding component 3 is fixed, the raw materials are transported to the inside of the feeding hopper 21 through the feeding hopper 32 and the conveying pipe 31. After all the raw materials are transported to the inside of the feeding hopper 21, the mixed raw materials are transported to the inside of the mixing barrel 1 through the connecting pipe 22 and the connecting head 23. After the raw materials are transported to the inside of the mixing barrel 1, the motor 41 is started to drive the rotating rod 42 with multiple stirring blades 43 to rotate to mix the raw materials inside the mixing barrel 1.

[0046] Compared with the related art, the mixing device of a flame retardant polyether composition provided by the utility model has the following beneficial effects:

[0047] The utility model provides a mixing device for a flame retardant polyether composition. A feeding hopper 21 with a plurality of feeding components 3 and a plurality of connecting pipes 22 is arranged above a stirring barrel 1 with a plurality of connecting heads 23. When different kinds of raw materials are added, the feeding hopper 21 with the plurality of feeding components 3 and the plurality of connecting pipes 22 can be disassembled and replaced between the stirring barrel 1.

[0048] Second embodiment

[0049] Please refer to Figure 6 Based on the mixing device of a flame retardant polyether composition provided in the first embodiment of the present application, the second embodiment of the present application provides another mixing device of a flame retardant polyether composition. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0050] Specifically, the difference of the mixing device of a flame retardant polyether composition provided in the second embodiment of the present application is that, in a mixing device of a flame retardant polyether composition, a mounting assembly 6 is provided on the surface of the mixing barrel 1, and the mounting assembly 6 includes a fixing ring 61, and L-shaped connecting rods 62 are connected to the left and right sides of the surface of the fixing ring 61.

[0051] The fixing ring 41 is connected to the surface of the mixing barrel 1. The use of the L-shaped connecting rod 62 and the movable sleeve 63 can adjust the position of the fixing rod 64 with the mounting block 65. A plurality of fixing holes compatible with the fixing bolts 66 are provided on the surface of the L-shaped connecting rod 62. The mounting block 65 can be fixed to the mixer by threaded connection with bolts.

[0052] A movable sleeve 63 is sleeved on the surface of the L-shaped connecting rod 62 , a fixed rod 64 is connected to one side of the movable sleeve 63 , and a mounting block 65 is connected to the bottom end of the fixed rod 64 .

[0053] A fixing bolt 66 is disposed inside the movable sleeve 63 , and a stopper 67 is connected to the bottom end of the L-shaped connecting rod 62 .

[0054] The working principle of a mixing device for a flame retardant polyether composition provided by the utility model is as follows:

[0055] During use, when installing the entire device to the mixer, first place the entire device on the mixer, then pull the fixing rod 64 with the mounting block 65 to move downward under the action of the movable sleeve 63. When the mounting block 65 is pulled to contact the mixer, use the fixing bolt 66 to pass through the movable sleeve 63 and fix it between the L-shaped connecting rod 62. After fixing the movable sleeve 63, use bolts to thread the mounting block 65 and the mixer.

[0056] Compared with the related art, the mixing device of a flame retardant polyether composition provided by the utility model has the following beneficial effects:

[0057] The utility model provides a mixing device for a flame retardant polyether composition. A mounting assembly 6 is arranged on the surface of a mixing barrel 1, so that the entire device can be easily installed with an existing mixer.

[0058] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mixing device for a flame retardant polyether composition, characterized in that: include: A stirring barrel, wherein a feeding assembly is arranged above the stirring barrel, wherein the feeding assembly comprises a feeding hopper, wherein a plurality of connecting pipes are connected to the bottom of the feeding hopper, wherein the bottoms of the plurality of connecting pipes are all connected to connecting heads, and the plurality of connecting heads are all connected to the top of the stirring barrel; A plurality of feeding components, wherein the plurality of feeding components are respectively arranged on the sides of the feeding hopper; A stirring device is arranged inside the stirring barrel.

2. The mixing device of the flame retardant polyether composition according to claim 1, characterized in that: The feeding assembly comprises a conveying pipe, one end of which is connected to a feeding hopper, and one end of which is connected to a side of the feeding hopper.

3. The mixing device of the flame retardant polyether composition according to claim 1, characterized in that: The stirring device comprises a motor, one end of the motor output shaft is fixedly connected to a rotating rod via a coupling, and a plurality of stirring blades are sequentially connected to the surface of the rotating rod from top to bottom.

4. The mixing device of the flame retardant polyether composition according to claim 1, characterized in that: A connecting assembly is arranged at the bottom of the mixing barrel, and the connecting assembly comprises a valve, and a connecting pipe is connected to the bottom of the valve.

5. The mixing device of the flame retardant polyether composition according to claim 1, characterized in that: The surface of the mixing barrel is provided with a mounting assembly, and the mounting assembly comprises a fixing ring, and both left and right sides of the surface of the fixing ring are connected with L-shaped connecting rods.

6. The mixing device of the flame retardant polyether composition according to claim 5, characterized in that: A movable sleeve is sleeved on the surface of the L-shaped connecting rod, one side of the movable sleeve is connected to a fixed rod, and the bottom end of the fixed rod is connected to a mounting block.

7. The mixing device of the flame retardant polyether composition according to claim 6, characterized in that: A fixing bolt is arranged inside the movable sleeve, and a stopper is connected to the bottom end of the L-shaped connecting rod.

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